diff --git a/.gitignore b/.gitignore index f27a43f..4d9f94f 100644 --- a/.gitignore +++ b/.gitignore @@ -26,3 +26,4 @@ gdb.txt # Generated docs _docs/ +/man/ diff --git a/.woodpecker/.build.yml b/.woodpecker/.build.yml index 1698129..b0fd267 100644 --- a/.woodpecker/.build.yml +++ b/.woodpecker/.build.yml @@ -45,7 +45,7 @@ pipeline: - export OBJ_PATH="/vieter/commits/$CI_COMMIT_SHA/vieter-$(echo '${PLATFORM}' | sed 's:/:-:g')" - export SIG_STRING="PUT\n\n$CONTENT_TYPE\n$DATE\n$OBJ_PATH" - - export SIGNATURE=`echo -en $SIG_STRING | openssl sha1 -hmac $S3_PASSWORD -binary | base64` + - export SIGNATURE="$(echo -en $SIG_STRING | openssl sha1 -hmac $S3_PASSWORD -binary | base64)" - > curl --silent diff --git a/.woodpecker/.docs.yml b/.woodpecker/.docs.yml index fc525e2..c342e38 100644 --- a/.woodpecker/.docs.yml +++ b/.woodpecker/.docs.yml @@ -9,7 +9,6 @@ pipeline: commands: - apk add git - make docs - - 'cd docs/public && tar czvf ../../docs.tar.gz *' api-docs: image: 'chewingbever/vlang:latest' @@ -17,25 +16,30 @@ pipeline: group: 'generate' commands: - make api-docs - - 'cd src/_docs && tar czvf ../../api-docs.tar.gz *' - deploy-docs: + slate-docs: + image: 'slatedocs/slate' + group: 'generate' + commands: + - cd docs/api + - bundle exec middleman build --clean + + archive: + image: 'alpine' + commands: + - cp -r docs/api/build docs/public/api + - 'cd docs/public && tar czvf ../../docs.tar.gz *' + - 'cd ../../src/_docs && tar czvf ../../api-docs.tar.gz *' + when: + event: push + branch: dev + + deploy: image: 'curlimages/curl' - group: 'deploy' secrets: - 'site_api_key' commands: - 'curl -XPOST --fail -s -H "Authorization: Bearer $SITE_API_KEY" -T docs.tar.gz https://rustybever.be/api/deploy?dir=docs-vieter' - when: - event: push - branch: dev - - deploy-api-docs: - image: 'curlimages/curl' - group: 'deploy' - secrets: - - 'site_api_key' - commands: - 'curl -XPOST --fail -s -H "Authorization: Bearer $SITE_API_KEY" -T api-docs.tar.gz https://rustybever.be/api/deploy?dir=api-docs-vieter' when: event: push diff --git a/.woodpecker/.gitea.yml b/.woodpecker/.gitea.yml index 1877050..d0825c2 100644 --- a/.woodpecker/.gitea.yml +++ b/.woodpecker/.gitea.yml @@ -14,6 +14,7 @@ pipeline: commands: - mc alias set s3/ https://s3.rustybever.be "$S3_USERNAME" "$S3_PASSWORD" - mc cp -r "s3/vieter/commits/$CI_COMMIT_SHA" . + - mv "$CI_COMMIT_SHA"/vieter-* . when: event: tag @@ -23,9 +24,8 @@ pipeline: - gitea_release_api_key settings: base_url: https://git.rustybever.be - files: ${CI_COMMIT_SHA}/* + files: vieter-* checksum: - - md5 - sha256 title: ${CI_COMMIT_TAG} when: diff --git a/.woodpecker/.man.yml b/.woodpecker/.man.yml new file mode 100644 index 0000000..0b80886 --- /dev/null +++ b/.woodpecker/.man.yml @@ -0,0 +1,36 @@ +platform: 'linux/amd64' +branches: + exclude: [ main ] + +depends_on: + - build + +skip_clone: true + +pipeline: + generate: + image: 'chewingbever/vlang:latest' + pull: true + commands: + - curl -o vieter -L "https://s3.rustybever.be/vieter/commits/$CI_COMMIT_SHA/vieter-linux-amd64" + - chmod +x vieter + - ./vieter man man + - cd man + + # Generate an HTML page from each man page + - for f in $(ls -1 *.1); do mandoc -Thtml -O style=mandoc.css,man=%N.%S.html $f > "$f.html"; done + + # Download the mandoc.css file from the official site + - curl -o mandoc.css -L https://mandoc.bsd.lv/mandoc.css + + - tar czvf ../man.tar.gz *.html mandoc.css + + deploy: + image: 'curlimages/curl' + secrets: + - 'site_api_key' + commands: + - 'curl -XPOST --fail -s -H "Authorization: Bearer $SITE_API_KEY" -T man.tar.gz https://rustybever.be/api/deploy?dir=man-vieter' + when: + event: push + branch: dev diff --git a/CHANGELOG.md b/CHANGELOG.md index 7dc0a00..4a7574f 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -7,6 +7,34 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0 ## [Unreleased](https://git.rustybever.be/vieter/vieter/src/branch/dev) +## [0.3.0-rc.1](https://git.rustybever.be/vieter/vieter/src/tag/0.3.0-rc.1) + +### Added + +* Database migrations +* Improved GitRepo & BuildLog API + * Pagination using `limit` & `offset` query params + * GitRepo: filter by repo + * BuildLog: filter by start & end date, repo, exit code & arch +* CLI flags to take advantage of above API improvements +* Added CLI command to generate all man pages +* PKGBUILDs now install man pages +* Hosted CLI man pages ([vieter(1)](https://rustybever.be/man/vieter/vieter.1.html)) +* Proper HTTP API docs ([link](https://rustybever.be/docs/vieter/api/)) + +### Changed + +* Packages from target repo are available during builds + * This can be used as a basic way to support AUR dependencies, by adding + the dependencies to the same repository +* Every build now updates its packages first instead of solely relying on the + updated builder image +* Build logs now show commands being executed + +### Fixed + +* `POST /api/logs` now correctly uses epoch timestamps instead of strings + ## [0.3.0-alpha.2](https://git.rustybever.be/vieter/vieter/src/tag/0.3.0-alpha.2) ### Added diff --git a/Makefile b/Makefile index 199b99e..7eb3547 100644 --- a/Makefile +++ b/Makefile @@ -60,6 +60,11 @@ api-docs: rm -rf '$(SRC_DIR)/_docs' cd '$(SRC_DIR)' && v doc -all -f html -m -readme . +.PHONY: man +man: vieter + rm -rf man + ./vieter man man + # =====OTHER===== .PHONY: lint diff --git a/PKGBUILD b/PKGBUILD index 49fcf54..f2fc9a6 100644 --- a/PKGBUILD +++ b/PKGBUILD @@ -3,8 +3,9 @@ pkgbase='vieter' pkgname='vieter' -pkgver='0.3.0_alpha.2' +pkgver='0.3.0_rc.1' pkgrel=1 +pkgdesc="Vieter is a lightweight implementation of an Arch repository server." depends=('glibc' 'openssl' 'libarchive' 'sqlite') makedepends=('git' 'vieter-v') arch=('x86_64' 'aarch64') @@ -17,11 +18,17 @@ build() { cd "$pkgname" make prod + + # The default CFLAGS for some reason causes vieter to segfault if used + # inside the PKGBUILD. As a workaround, we use tcc to build a debug build + # that does work, so we can generate the manpages. + CFLAGS= LDFLAGS= make man } package() { - pkgdesc="Vieter is a lightweight implementation of an Arch repository server." - install -dm755 "$pkgdir/usr/bin" install -Dm755 "$pkgname/pvieter" "$pkgdir/usr/bin/vieter" + + install -dm755 "$pkgdir/usr/share/man/man1" + install -Dm644 "$pkgname/man"/*.1 "$pkgdir/usr/share/man/man1" } diff --git a/PKGBUILD.dev b/PKGBUILD.dev index d0176d8..d25abb3 100644 --- a/PKGBUILD.dev +++ b/PKGBUILD.dev @@ -5,6 +5,7 @@ pkgbase='vieter-git' pkgname='vieter-git' pkgver=0.2.0.r25.g20112b8 pkgrel=1 +pkgdesc="Vieter is a lightweight implementation of an Arch repository server." depends=('glibc' 'openssl' 'libarchive' 'sqlite') makedepends=('git' 'vieter-v') arch=('x86_64' 'aarch64') @@ -25,11 +26,17 @@ build() { cd "$pkgname" make prod + + # The default CFLAGS for some reason causes vieter to segfault if used + # inside the PKGBUILD. As a workaround, we use tcc to build a debug build + # that does work, so we can generate the manpages. + CFLAGS= LDFLAGS= make man } package() { - pkgdesc="Vieter is a lightweight implementation of an Arch repository server." - install -dm755 "$pkgdir/usr/bin" install -Dm755 "$pkgname/pvieter" "$pkgdir/usr/bin/vieter" + + install -dm755 "$pkgdir/usr/share/man/man1" + install -Dm644 "$pkgname/man"/*.1 "$pkgdir/usr/share/man/man1" } diff --git a/README.md b/README.md index 138282a..892396a 100644 --- a/README.md +++ b/README.md @@ -22,13 +22,6 @@ a while now. I wanted a fast language that I could code while relaxing, without having to exert too much mental effort & V seemed like the right choice for that. -### Compiler - -Vieter compiles with the standard Vlang compiler. However, I do maintain a -[mirror](https://git.rustybever.be/Chewing_Bever/v). This is to ensure my CI -does not break without reason, as I control when & how frequently the mirror is -updated to reflect the official repository. - ## Features * Arch repository server @@ -41,20 +34,24 @@ updated to reflect the official repository. ## Building -In order to build Vieter, you'll need a couple of libraries: +Besides a V installer, Vieter also requires the following libraries to work: -* An installation of V * gc * libarchive * openssl +* sqlite3 -**NOTE**: if you encounter any issues compiling Vieter using the absolute -latest version of V, it might be because my mirror is missing a specific commit -that causes issues. For this reason, the `make v` command exists which will -clone my compiler in the `v` directory & build it. Afterwards, you can use this -compiler with make by prepending all make commands with `V_PATH=v/v`. If you do -encounter this issue, please let me know so I can update my mirror & the -codebase to fix it! +### Compiler + +Vieter compiles with the standard Vlang compiler. However, I do maintain a +[mirror](https://git.rustybever.be/vieter/v). This is to ensure my CI does not +break without reason, as I control when & how frequently the mirror is updated +to reflect the official repository. + +If you encounter issues using the latest V compiler, try using my mirror +instead. `make v` will clone the repository & build the mirror. Afterwards, +prepending any make command with `V_PATH=v/v` tells make to use the locally +compiled mirror instead. ## Contributing @@ -65,3 +62,37 @@ If you wish to contribute to the project, please take note of the following: * Please follow the [Conventional Commits](https://www.conventionalcommits.org/) style for your commit messages. + +### Writing documentation + +The `docs` directory contains a Hugo site consisting of all user & +administrator documentation. `docs/api` on the other hand is a +[Slate](https://github.com/slatedocs/slate) project describing the HTTP web +API. + +To modify the Hugo documentation, you'll need to install Hugo. Afterwards, you +can use the following commands inside the `docs` directory: + +```sh +# Build the documentation +hugo + +# Host an auto-refreshing web server with the documentation. Important to note +# is that the files will be at `http://localhost:1313/docs/vieter` instead of +# just `http://localhost:1313/` +hugo server +``` + +For the Slate docs, I personally just start a docker container: + +```sh +docker run \ + --rm \ + -p 4567:4567 \ + --name slate \ + -v $(pwd)/docs/api/source:/srv/slate/source slatedocs/slate serve +``` + +This will make the Slate docs available at http://localhost:4567. Sadly, this +server doesn't auto-refresh, so you'll have to manually refresh your browser +every time you make a change. diff --git a/docs/api/.dockerignore b/docs/api/.dockerignore new file mode 100644 index 0000000..f643017 --- /dev/null +++ b/docs/api/.dockerignore @@ -0,0 +1,12 @@ +.git/ +.github/ +build/ +.editorconfig +.gitattributes +.gitignore +CHANGELOG.md +CODE_OF_CONDUCT.md +deploy.sh +font-selection.json +README.md +Vagrantfile \ No newline at end of file diff --git a/docs/api/.editorconfig b/docs/api/.editorconfig new file mode 100644 index 0000000..1692977 --- /dev/null +++ b/docs/api/.editorconfig @@ -0,0 +1,18 @@ +# EditorConfig is awesome: https://EditorConfig.org + +# Top-most EditorConfig file +root = true + +# Unix-style newlines with a newline ending every file +[*] +end_of_line = lf +insert_final_newline = true +indent_style = space +indent_size = 2 +trim_trailing_whitespace = true + +[*.rb] +charset = utf-8 + +[*.md] +trim_trailing_whitespace = false diff --git a/docs/api/.gitattributes b/docs/api/.gitattributes new file mode 100644 index 0000000..3069c43 --- /dev/null +++ b/docs/api/.gitattributes @@ -0,0 +1 @@ +source/javascripts/lib/* linguist-vendored diff --git a/docs/api/.gitignore b/docs/api/.gitignore new file mode 100644 index 0000000..1d5d08d --- /dev/null +++ b/docs/api/.gitignore @@ -0,0 +1,27 @@ +*.gem +*.rbc +.bundle +.config +coverage +InstalledFiles +lib/bundler/man +pkg +rdoc +spec/reports +test/tmp +test/version_tmp +tmp +*.DS_STORE +build/ +.cache +.vagrant +.sass-cache + +# YARD artifacts +.yardoc +_yardoc +doc/ +.idea/ + +# Vagrant artifacts +ubuntu-*-console.log diff --git a/docs/api/Gemfile b/docs/api/Gemfile new file mode 100644 index 0000000..7604fd4 --- /dev/null +++ b/docs/api/Gemfile @@ -0,0 +1,13 @@ +ruby '>= 2.6' +source 'https://rubygems.org' + +# Middleman +gem 'middleman', '~> 4.4' +gem 'middleman-syntax', '~> 3.2' +gem 'middleman-autoprefixer', '~> 3.0' +gem 'middleman-sprockets', '~> 4.1' +gem 'rouge', '~> 3.21' +gem 'redcarpet', '~> 3.5.0' +gem 'nokogiri', '~> 1.13.3' +gem 'sass' +gem 'webrick' diff --git a/docs/api/Gemfile.lock b/docs/api/Gemfile.lock new file mode 100644 index 0000000..bd60f7f --- /dev/null +++ b/docs/api/Gemfile.lock @@ -0,0 +1,145 @@ +GEM + remote: https://rubygems.org/ + specs: + activesupport (6.1.4.1) + concurrent-ruby (~> 1.0, >= 1.0.2) + i18n (>= 1.6, < 2) + minitest (>= 5.1) + tzinfo (~> 2.0) + zeitwerk (~> 2.3) + addressable (2.8.0) + public_suffix (>= 2.0.2, < 5.0) + autoprefixer-rails (10.2.5.0) + execjs (< 2.8.0) + backports (3.21.0) + coffee-script (2.4.1) + coffee-script-source + execjs + coffee-script-source (1.12.2) + concurrent-ruby (1.1.9) + contracts (0.13.0) + dotenv (2.7.6) + erubis (2.7.0) + execjs (2.7.0) + fast_blank (1.0.1) + fastimage (2.2.5) + ffi (1.15.4) + haml (5.2.2) + temple (>= 0.8.0) + tilt + hamster (3.0.0) + concurrent-ruby (~> 1.0) + hashie (3.6.0) + i18n (1.6.0) + concurrent-ruby (~> 1.0) + kramdown (2.3.1) + rexml + listen (3.0.8) + rb-fsevent (~> 0.9, >= 0.9.4) + rb-inotify (~> 0.9, >= 0.9.7) + memoist (0.16.2) + middleman (4.4.2) + coffee-script (~> 2.2) + haml (>= 4.0.5) + kramdown (>= 2.3.0) + middleman-cli (= 4.4.2) + middleman-core (= 4.4.2) + middleman-autoprefixer (3.0.0) + autoprefixer-rails (~> 10.0) + middleman-core (>= 4.0.0) + middleman-cli (4.4.2) + thor (>= 0.17.0, < 2.0) + middleman-core (4.4.2) + activesupport (>= 6.1, < 7.0) + addressable (~> 2.4) + backports (~> 3.6) + bundler (~> 2.0) + contracts (~> 0.13.0) + dotenv + erubis + execjs (~> 2.0) + fast_blank + fastimage (~> 2.0) + hamster (~> 3.0) + hashie (~> 3.4) + i18n (~> 1.6.0) + listen (~> 3.0.0) + memoist (~> 0.14) + padrino-helpers (~> 0.15.0) + parallel + rack (>= 1.4.5, < 3) + sassc (~> 2.0) + servolux + tilt (~> 2.0.9) + toml + uglifier (~> 3.0) + webrick + middleman-sprockets (4.1.1) + middleman-core (~> 4.0) + sprockets (>= 3.0) + middleman-syntax (3.2.0) + middleman-core (>= 3.2) + rouge (~> 3.2) + mini_portile2 (2.8.0) + minitest (5.14.4) + nokogiri (1.13.4) + mini_portile2 (~> 2.8.0) + racc (~> 1.4) + padrino-helpers (0.15.1) + i18n (>= 0.6.7, < 2) + padrino-support (= 0.15.1) + tilt (>= 1.4.1, < 3) + padrino-support (0.15.1) + parallel (1.21.0) + parslet (2.0.0) + public_suffix (4.0.6) + racc (1.6.0) + rack (2.2.3) + rb-fsevent (0.11.0) + rb-inotify (0.10.1) + ffi (~> 1.0) + redcarpet (3.5.1) + rexml (3.2.5) + rouge (3.28.0) + sass (3.7.4) + sass-listen (~> 4.0.0) + sass-listen (4.0.0) + rb-fsevent (~> 0.9, >= 0.9.4) + rb-inotify (~> 0.9, >= 0.9.7) + sassc (2.4.0) + ffi (~> 1.9) + servolux (0.13.0) + sprockets (3.7.2) + concurrent-ruby (~> 1.0) + rack (> 1, < 3) + temple (0.8.2) + thor (1.1.0) + tilt (2.0.10) + toml (0.3.0) + parslet (>= 1.8.0, < 3.0.0) + tzinfo (2.0.4) + concurrent-ruby (~> 1.0) + uglifier (3.2.0) + execjs (>= 0.3.0, < 3) + webrick (1.7.0) + zeitwerk (2.5.1) + +PLATFORMS + ruby + +DEPENDENCIES + middleman (~> 4.4) + middleman-autoprefixer (~> 3.0) + middleman-sprockets (~> 4.1) + middleman-syntax (~> 3.2) + nokogiri (~> 1.13.3) + redcarpet (~> 3.5.0) + rouge (~> 3.21) + sass + webrick + +RUBY VERSION + ruby 2.7.2p137 + +BUNDLED WITH + 2.2.22 diff --git a/docs/api/config.rb b/docs/api/config.rb new file mode 100644 index 0000000..6f8b677 --- /dev/null +++ b/docs/api/config.rb @@ -0,0 +1,63 @@ +# Unique header generation +require './lib/unique_head.rb' + +# Markdown +set :markdown_engine, :redcarpet +set :markdown, + fenced_code_blocks: true, + smartypants: true, + disable_indented_code_blocks: true, + prettify: true, + strikethrough: true, + tables: true, + with_toc_data: true, + no_intra_emphasis: true, + renderer: UniqueHeadCounter + +# Assets +set :css_dir, 'stylesheets' +set :js_dir, 'javascripts' +set :images_dir, 'images' +set :fonts_dir, 'fonts' + +# Activate the syntax highlighter +activate :syntax +ready do + require './lib/monokai_sublime_slate.rb' + require './lib/multilang.rb' +end + +activate :sprockets + +activate :autoprefixer do |config| + config.browsers = ['last 2 version', 'Firefox ESR'] + config.cascade = false + config.inline = true +end + +# Github pages require relative links +activate :relative_assets +set :relative_links, true + +# Build Configuration +configure :build do + # We do want to hash woff and woff2 as there's a bug where woff2 will use + # woff asset hash which breaks things. Trying to use a combination of ignore and + # rewrite_ignore does not work as it conflicts weirdly with relative_assets. Disabling + # the .woff2 extension only does not work as .woff will still activate it so have to + # have both. See https://github.com/slatedocs/slate/issues/1171 for more details. + activate :asset_hash, :exts => app.config[:asset_extensions] - %w[.woff .woff2] + # If you're having trouble with Middleman hanging, commenting + # out the following two lines has been known to help + activate :minify_css + activate :minify_javascript + # activate :gzip +end + +# Deploy Configuration +# If you want Middleman to listen on a different port, you can set that below +set :port, 4567 + +helpers do + require './lib/toc_data.rb' +end diff --git a/docs/api/font-selection.json b/docs/api/font-selection.json new file mode 100755 index 0000000..5e78f5d --- /dev/null +++ b/docs/api/font-selection.json @@ -0,0 +1,148 @@ +{ + "IcoMoonType": "selection", + "icons": [ + { + "icon": { + "paths": [ + "M438.857 73.143q119.429 0 220.286 58.857t159.714 159.714 58.857 220.286-58.857 220.286-159.714 159.714-220.286 58.857-220.286-58.857-159.714-159.714-58.857-220.286 58.857-220.286 159.714-159.714 220.286-58.857zM512 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"showMetadata": true, + "showVersion": true, + "ie7": false + }, + "imagePref": { + "prefix": "icon-", + "png": true, + "useClassSelector": true, + "color": 4473924, + "bgColor": 16777215 + }, + "historySize": 100, + "showCodes": true, + "gridSize": 16, + "showLiga": false + } +} diff --git a/docs/api/lib/monokai_sublime_slate.rb b/docs/api/lib/monokai_sublime_slate.rb new file mode 100644 index 0000000..cd2de33 --- /dev/null +++ b/docs/api/lib/monokai_sublime_slate.rb @@ -0,0 +1,95 @@ +# -*- coding: utf-8 -*- # +# frozen_string_literal: true + +# this is based on https://github.com/rouge-ruby/rouge/blob/master/lib/rouge/themes/monokai_sublime.rb +# but without the added background, and changed styling for JSON keys to be soft_yellow instead of white + +module Rouge + module Themes + class MonokaiSublimeSlate < CSSTheme + name 'monokai.sublime.slate' + + palette :black => '#000000' + palette :bright_green => '#a6e22e' + palette :bright_pink => '#f92672' + palette :carmine => '#960050' + palette :dark => '#49483e' + palette :dark_grey => '#888888' + palette :dark_red => '#aa0000' + palette :dimgrey => '#75715e' + palette :emperor => '#555555' + palette :grey => '#999999' + palette :light_grey => '#aaaaaa' + palette :light_violet => '#ae81ff' + palette :soft_cyan => '#66d9ef' + palette :soft_yellow => '#e6db74' + palette :very_dark => '#1e0010' + palette :whitish => '#f8f8f2' + palette :orange => '#f6aa11' + palette :white => '#ffffff' + + style Generic::Heading, :fg => :grey + style Literal::String::Regex, :fg => :orange + style Generic::Output, :fg => :dark_grey + style Generic::Prompt, :fg => :emperor + style Generic::Strong, :bold => false + style Generic::Subheading, :fg => :light_grey + style Name::Builtin, :fg => :orange + style Comment::Multiline, + Comment::Preproc, + Comment::Single, + Comment::Special, + Comment, :fg => :dimgrey + style Error, + Generic::Error, + Generic::Traceback, :fg => :carmine + style Generic::Deleted, + Generic::Inserted, + Generic::Emph, :fg => :dark + style Keyword::Constant, + Keyword::Declaration, + Keyword::Reserved, + Name::Constant, + Keyword::Type, :fg => :soft_cyan + style Literal::Number::Float, + Literal::Number::Hex, + Literal::Number::Integer::Long, + Literal::Number::Integer, + Literal::Number::Oct, + Literal::Number, + Literal::String::Char, + Literal::String::Escape, + Literal::String::Symbol, :fg => :light_violet + style Literal::String::Doc, + Literal::String::Double, + Literal::String::Backtick, + Literal::String::Heredoc, + Literal::String::Interpol, + Literal::String::Other, + Literal::String::Single, + Literal::String, :fg => :soft_yellow + style Name::Attribute, + Name::Class, + Name::Decorator, + Name::Exception, + Name::Function, :fg => :bright_green + style Name::Variable::Class, + Name::Namespace, + Name::Entity, + Name::Builtin::Pseudo, + Name::Variable::Global, + Name::Variable::Instance, + Name::Variable, + Text::Whitespace, + Text, + Name, :fg => :white + style Name::Label, :fg => :bright_pink + style Operator::Word, + Name::Tag, + Keyword, + Keyword::Namespace, + Keyword::Pseudo, + Operator, :fg => :bright_pink + end + end + end diff --git a/docs/api/lib/multilang.rb b/docs/api/lib/multilang.rb new file mode 100644 index 0000000..36fbe5b --- /dev/null +++ b/docs/api/lib/multilang.rb @@ -0,0 +1,16 @@ +module Multilang + def block_code(code, full_lang_name) + if full_lang_name + parts = full_lang_name.split('--') + rouge_lang_name = (parts) ? parts[0] : "" # just parts[0] here causes null ref exception when no language specified + super(code, rouge_lang_name).sub("highlight #{rouge_lang_name}") do |match| + match + " tab-" + full_lang_name + end + else + super(code, full_lang_name) + end + end +end + +require 'middleman-core/renderers/redcarpet' +Middleman::Renderers::MiddlemanRedcarpetHTML.send :include, Multilang diff --git a/docs/api/lib/nesting_unique_head.rb b/docs/api/lib/nesting_unique_head.rb new file mode 100644 index 0000000..0127837 --- /dev/null +++ b/docs/api/lib/nesting_unique_head.rb @@ -0,0 +1,22 @@ +# Nested unique header generation +require 'middleman-core/renderers/redcarpet' + +class NestingUniqueHeadCounter < Middleman::Renderers::MiddlemanRedcarpetHTML + def initialize + super + @@headers_history = {} if !defined?(@@headers_history) + end + + def header(text, header_level) + friendly_text = text.gsub(/<[^>]*>/,"").parameterize + @@headers_history[header_level] = text.parameterize + + if header_level > 1 + for i in (header_level - 1).downto(1) + friendly_text.prepend("#{@@headers_history[i]}-") if @@headers_history.key?(i) + end + end + + return "#{text}" + end +end diff --git a/docs/api/lib/toc_data.rb b/docs/api/lib/toc_data.rb new file mode 100644 index 0000000..4a04efe --- /dev/null +++ b/docs/api/lib/toc_data.rb @@ -0,0 +1,31 @@ +require 'nokogiri' + +def toc_data(page_content) + html_doc = Nokogiri::HTML::DocumentFragment.parse(page_content) + + # get a flat list of headers + headers = [] + html_doc.css('h1, h2, h3').each do |header| + headers.push({ + id: header.attribute('id').to_s, + content: header.children, + title: header.children.to_s.gsub(/<[^>]*>/, ''), + level: header.name[1].to_i, + children: [] + }) + end + + [3,2].each do |header_level| + header_to_nest = nil + headers = headers.reject do |header| + if header[:level] == header_level + header_to_nest[:children].push header if header_to_nest + true + else + header_to_nest = header if header[:level] < header_level + false + end + end + end + headers +end diff --git a/docs/api/lib/unique_head.rb b/docs/api/lib/unique_head.rb new file mode 100644 index 0000000..d42bab2 --- /dev/null +++ b/docs/api/lib/unique_head.rb @@ -0,0 +1,24 @@ +# Unique header generation +require 'middleman-core/renderers/redcarpet' +require 'digest' +class UniqueHeadCounter < Middleman::Renderers::MiddlemanRedcarpetHTML + def initialize + super + @head_count = {} + end + def header(text, header_level) + friendly_text = text.gsub(/<[^>]*>/,"").parameterize + if friendly_text.strip.length == 0 + # Looks like parameterize removed the whole thing! It removes many unicode + # characters like Chinese and Russian. To get a unique URL, let's just + # URI escape the whole header + friendly_text = Digest::SHA1.hexdigest(text)[0,10] + end + @head_count[friendly_text] ||= 0 + @head_count[friendly_text] += 1 + if @head_count[friendly_text] > 1 + friendly_text += "-#{@head_count[friendly_text]}" + end + return "#{text}" + end +end diff --git a/docs/api/slate.sh b/docs/api/slate.sh new file mode 100755 index 0000000..a3cc498 --- /dev/null +++ b/docs/api/slate.sh @@ -0,0 +1,248 @@ +#!/usr/bin/env bash +set -o errexit #abort if any command fails + +me=$(basename "$0") + +help_message="\ +Usage: $me [] [] +Run commands related to the slate process. + +Commands: + + serve Run the middleman server process, useful for + development. + build Run the build process. + deploy Will build and deploy files to branch. Use + --no-build to only deploy. + +Global Options: + + -h, --help Show this help information. + -v, --verbose Increase verbosity. Useful for debugging. + +Deploy options: + -e, --allow-empty Allow deployment of an empty directory. + -m, --message MESSAGE Specify the message used when committing on the + deploy branch. + -n, --no-hash Don't append the source commit's hash to the deploy + commit's message. + --no-build Do not build the source files. +" + + +run_serve() { + exec bundle exec middleman serve --watcher-force-polling +} + +run_build() { + bundle exec middleman build --clean +} + +parse_args() { + # Set args from a local environment file. + if [ -e ".env" ]; then + source .env + fi + + command= + + # Parse arg flags + # If something is exposed as an environment variable, set/overwrite it + # here. Otherwise, set/overwrite the internal variable instead. + while : ; do + if [[ $1 = "-h" || $1 = "--help" ]]; then + echo "$help_message" + exit 0 + elif [[ $1 = "-v" || $1 = "--verbose" ]]; then + verbose=true + shift + elif [[ $1 = "-e" || $1 = "--allow-empty" ]]; then + allow_empty=true + shift + elif [[ ( $1 = "-m" || $1 = "--message" ) && -n $2 ]]; then + commit_message=$2 + shift 2 + elif [[ $1 = "-n" || $1 = "--no-hash" ]]; then + GIT_DEPLOY_APPEND_HASH=false + shift + elif [[ $1 = "--no-build" ]]; then + no_build=true + shift + elif [[ $1 = "serve" || $1 = "build" || $1 = "deploy" ]]; then + if [ ! -z "${command}" ]; then + >&2 echo "You can only specify one command." + exit 1 + fi + command=$1 + shift + elif [ -z $1 ]; then + break + fi + done + + if [ -z "${command}" ]; then + >&2 echo "Command not specified." + exit 1 + fi + + # Set internal option vars from the environment and arg flags. All internal + # vars should be declared here, with sane defaults if applicable. + + # Source directory & target branch. + deploy_directory=build + deploy_branch=gh-pages + + #if no user identity is already set in the current git environment, use this: + default_username=${GIT_DEPLOY_USERNAME:-deploy.sh} + default_email=${GIT_DEPLOY_EMAIL:-} + + #repository to deploy to. must be readable and writable. + repo=origin + + #append commit hash to the end of message by default + append_hash=${GIT_DEPLOY_APPEND_HASH:-true} +} + +main() { + enable_expanded_output + + if ! git diff --exit-code --quiet --cached; then + echo Aborting due to uncommitted changes in the index >&2 + return 1 + fi + + commit_title=`git log -n 1 --format="%s" HEAD` + commit_hash=` git log -n 1 --format="%H" HEAD` + + #default commit message uses last title if a custom one is not supplied + if [[ -z $commit_message ]]; then + commit_message="publish: $commit_title" + fi + + #append hash to commit message unless no hash flag was found + if [ $append_hash = true ]; then + commit_message="$commit_message"$'\n\n'"generated from commit $commit_hash" + fi + + previous_branch=`git rev-parse --abbrev-ref HEAD` + + if [ ! -d "$deploy_directory" ]; then + echo "Deploy directory '$deploy_directory' does not exist. Aborting." >&2 + return 1 + fi + + # must use short form of flag in ls for compatibility with macOS and BSD + if [[ -z `ls -A "$deploy_directory" 2> /dev/null` && -z $allow_empty ]]; then + echo "Deploy directory '$deploy_directory' is empty. Aborting. If you're sure you want to deploy an empty tree, use the --allow-empty / -e flag." >&2 + return 1 + fi + + if git ls-remote --exit-code $repo "refs/heads/$deploy_branch" ; then + # deploy_branch exists in $repo; make sure we have the latest version + + disable_expanded_output + git fetch --force $repo $deploy_branch:$deploy_branch + enable_expanded_output + fi + + # check if deploy_branch exists locally + if git show-ref --verify --quiet "refs/heads/$deploy_branch" + then incremental_deploy + else initial_deploy + fi + + restore_head +} + +initial_deploy() { + git --work-tree "$deploy_directory" checkout --orphan $deploy_branch + git --work-tree "$deploy_directory" add --all + commit+push +} + +incremental_deploy() { + #make deploy_branch the current branch + git symbolic-ref HEAD refs/heads/$deploy_branch + #put the previously committed contents of deploy_branch into the index + git --work-tree "$deploy_directory" reset --mixed --quiet + git --work-tree "$deploy_directory" add --all + + set +o errexit + diff=$(git --work-tree "$deploy_directory" diff --exit-code --quiet HEAD --)$? + set -o errexit + case $diff in + 0) echo No changes to files in $deploy_directory. Skipping commit.;; + 1) commit+push;; + *) + echo git diff exited with code $diff. Aborting. Staying on branch $deploy_branch so you can debug. To switch back to main, use: git symbolic-ref HEAD refs/heads/main && git reset --mixed >&2 + return $diff + ;; + esac +} + +commit+push() { + set_user_id + git --work-tree "$deploy_directory" commit -m "$commit_message" + + disable_expanded_output + #--quiet is important here to avoid outputting the repo URL, which may contain a secret token + git push --quiet $repo $deploy_branch + enable_expanded_output +} + +#echo expanded commands as they are executed (for debugging) +enable_expanded_output() { + if [ $verbose ]; then + set -o xtrace + set +o verbose + fi +} + +#this is used to avoid outputting the repo URL, which may contain a secret token +disable_expanded_output() { + if [ $verbose ]; then + set +o xtrace + set -o verbose + fi +} + +set_user_id() { + if [[ -z `git config user.name` ]]; then + git config user.name "$default_username" + fi + if [[ -z `git config user.email` ]]; then + git config user.email "$default_email" + fi +} + +restore_head() { + if [[ $previous_branch = "HEAD" ]]; then + #we weren't on any branch before, so just set HEAD back to the commit it was on + git update-ref --no-deref HEAD $commit_hash $deploy_branch + else + git symbolic-ref HEAD refs/heads/$previous_branch + fi + + git reset --mixed +} + +filter() { + sed -e "s|$repo|\$repo|g" +} + +sanitize() { + "$@" 2> >(filter 1>&2) | filter +} + +parse_args "$@" + +if [ "${command}" = "serve" ]; then + run_serve +elif [[ "${command}" = "build" ]]; then + run_build +elif [[ ${command} = "deploy" ]]; then + if [[ ${no_build} != true ]]; then + run_build + fi + main "$@" +fi diff --git a/docs/api/source/fonts/slate.eot b/docs/api/source/fonts/slate.eot new file mode 100644 index 0000000..13c4839 Binary files /dev/null and b/docs/api/source/fonts/slate.eot differ diff --git a/docs/api/source/fonts/slate.svg b/docs/api/source/fonts/slate.svg new file mode 100644 index 0000000..5f34982 --- /dev/null +++ b/docs/api/source/fonts/slate.svg @@ -0,0 +1,14 @@ + + + +Generated by IcoMoon + + + + + + + + + + diff --git a/docs/api/source/fonts/slate.ttf b/docs/api/source/fonts/slate.ttf new file mode 100644 index 0000000..ace9a46 Binary files /dev/null and b/docs/api/source/fonts/slate.ttf differ diff --git a/docs/api/source/fonts/slate.woff b/docs/api/source/fonts/slate.woff new file mode 100644 index 0000000..1e72e0e Binary files /dev/null and b/docs/api/source/fonts/slate.woff differ diff --git a/docs/api/source/fonts/slate.woff2 b/docs/api/source/fonts/slate.woff2 new file mode 100644 index 0000000..7c585a7 Binary files /dev/null and b/docs/api/source/fonts/slate.woff2 differ diff --git a/docs/api/source/images/navbar.png b/docs/api/source/images/navbar.png new file mode 100644 index 0000000..df38e90 Binary files /dev/null and b/docs/api/source/images/navbar.png differ diff --git a/docs/api/source/includes/_git.md b/docs/api/source/includes/_git.md new file mode 100644 index 0000000..8458834 --- /dev/null +++ b/docs/api/source/includes/_git.md @@ -0,0 +1,154 @@ +# Git Repositories + + + +Endpoints for interacting with the list of Git repositories stored on the +server. + +## List repos + +```shell +curl \ + -H 'X-Api-Key: secret' \ + https://example.com/api/repos?offset=10&limit=20 +``` + +> JSON output format + +```json +{ + "message": "", + "data": [ + { + "id": 1, + "url": "https://aur.archlinux.org/discord-ptb.git", + "branch": "master", + "repo": "bur", + "schedule": "", + "arch": [ + { + "id": 1, + "repo_id": 1, + "value": "x86_64" + } + ] + } + ] +} +``` + +Retrieve a list of Git repositories. + +### HTTP Request + +`GET /api/repos` + +### Query Parameters + +Parameter | Description +--------- | ----------- +limit | Maximum amount of results to return. +offset | Offset of results. +repo | Limit results to repositories that publish to the given repo. + +## Get a repo + +```shell +curl \ + -H 'X-Api-Key: secret' \ + https://example.com/api/repos/15 +``` + +> JSON output format + +```json +{ + "message": "", + "data": { + "id": 1, + "url": "https://aur.archlinux.org/discord-ptb.git", + "branch": "master", + "repo": "bur", + "schedule": "0 3", + "arch": [ + { + "id": 1, + "repo_id": 1, + "value": "x86_64" + } + ] + } +} +``` + +Get info about a specific Git repository. + +### HTTP Request + +`GET /api/repos/:id` + +### URL Parameters + +Parameter | Description +--------- | ----------- +id | ID of requested repo + +## Create a new repo + +Create a new Git repository with the given data. + +### HTTP Request + +`POST /api/repos` + +### Query Parameters + +Parameter | Description +--------- | ----------- +url | URL of the Git repository. +branch | Branch of the Git repository. +repo | Vieter repository to publish built packages to. +schedule | Cron build schedule (syntax explained [here](https://rustybever.be/docs/vieter/usage/builds/schedule/)) +arch | Comma-separated list of architectures to build package on. + +## Modify a repo + +Modify the data of an existing Git repository. + +### HTTP Request + +`PATCH /api/repos/:id` + +### URL Parameters + +Parameter | Description +--------- | ----------- +id | ID of requested repo + +### Query Parameters + +Parameter | Description +--------- | ----------- +url | URL of the Git repository. +branch | Branch of the Git repository. +repo | Vieter repository to publish built packages to. +schedule | Cron build schedule +arch | Comma-separated list of architectures to build package on. + +## Remove a repo + +Remove a Git repository from the server. + +### HTTP Request + +`DELETE /api/repos/:id` + +### URL Parameters + +Parameter | Description +--------- | ----------- +id | ID of repo to remove diff --git a/docs/api/source/includes/_logs.md b/docs/api/source/includes/_logs.md new file mode 100644 index 0000000..d4f7632 --- /dev/null +++ b/docs/api/source/includes/_logs.md @@ -0,0 +1,140 @@ +# Build Logs + + + +Endpoints for interacting with stored build logs. + +## List logs + +```shell +curl \ + -H 'X-Api-Key: secret' \ + https://example.com/api/logs?offset=10&limit=20 +``` + +> JSON output format + +```json +{ + "message": "", + "data": [ + { + "id": 1, + "repo_id": 3, + "start_time": 1652008554, + "end_time": 1652008559, + "arch": "x86_64", + "exit_code": 0 + } + ] +} +``` + +Retrieve a list of build logs. + +### HTTP Request + +`GET /api/logs` + +### Query Parameters + +Parameter | Description +--------- | ----------- +limit | Maximum amount of results to return. +offset | Offset of results. +repo | Only return builds published to this repository. +before | Only return logs started before this time (UTC epoch) +after | Only return logs started after this time (UTC epoch) +arch | Only return logs built on this architecture +exit_codes | Comma-separated list of exit codes to limit result to; using `!` as a prefix makes it exclude that value. For example, `1,2` only returns logs with status code 1 or 2, while `!1,!2` returns those that don't have 1 or 2 as the result. + + +## Get build log + +```shell +curl \ + -H 'X-Api-Key: secret' \ + https://example.com/api/logs/15 +``` + +> JSON output format + +```json +{ + "message": "", + "data": { + "id": 1, + "repo_id": 3, + "start_time": 1652008554, + "end_time": 1652008559, + "arch": "x86_64", + "exit_code": 0 + } +} +``` + +Retrieve info about a specific build log. + +### HTTP Request + +`GET /api/logs/:id` + +### URL Parameters + +Parameter | Description +--------- | ----------- +id | ID of requested log + +## Get log contents + +```shell +curl \ + -H 'X-Api-Key: secret' \ + https://example.com/api/logs/15/content +``` + +Retrieve the contents of a build log. The response is the build log in +plaintext. + +### HTTP Request + +`GET /api/logs/:id/content` + +### URL Parameters + +Parameter | Description +--------- | ----------- +id | ID of requested log + +## Publish build log + + + +Publish a new build log to the server. + +### HTTP Request + +`POST /api/logs` + +### Query parameters + +Parameter | Description +--------- | ----------- +id | ID of requested log +startTime | Start time of the build (UTC epoch) +endTime | End time of the build (UTC epoch) +arch | Architecture on which the build was done +exitCode | Exit code of the build container + +### Request body + +Plaintext contents of the build log. diff --git a/docs/api/source/includes/_repository.md b/docs/api/source/includes/_repository.md new file mode 100644 index 0000000..fbbc329 --- /dev/null +++ b/docs/api/source/includes/_repository.md @@ -0,0 +1,95 @@ +# Repository + +Besides providing a RESTful API, the Vieter server is also a Pacman-compatible +repository server. This section describes the various routes that make this +possible. + +## Get a package archive or database file + +```shell +curl -L https://example.com/bur/x86_64/tuxedo-keyboard-3.0.10-1-x86_64.pkg.tar.zst +``` + +This endpoint is really the entire repository. It serves both the package +archives & the database files for a specific arch-repo. It has three different +behaviors, depending on `filename`: + +* If the file extension is one of `.db`, `.files`, `.db.tar.gz` or + `.files.tar.gz`, it tries to serve the requested database file. +* If the filename contains `.pkg`, it serves the package file. +* Otherwise, it assumes `filename` is the name & version of a package inside + the repository (e.g. `vieter-0.3.0_alpha.2-1`) & serves that package's `desc` + file from inside the database archive. + + + +### HTTP Request + +`GET /:repo/:arch/:filename` + +### URL Parameters + +Parameter | Description +--------- | ----------- +repo | Repository containing the package +arch | Arch-repo containing the package +filename | actual filename to request + +## Check whether file exists + +```shell +curl -L https://example.com/bur/x86_64/tuxedo-keyboard-3.0.10-1-x86_64.pkg.tar.zst +``` + +The above request can also be performed as a HEAD request. The behavior is the +same, except no data is returned besides an error 404 if the file doesn't exist +& an error 200 otherwise. + +### HTTP Request + +`GET /:repo/:arch/:filename` + +### URL Parameters + +Parameter | Description +--------- | ----------- +repo | Repository containing the package +arch | Arch-repo containing the package +filename | actual filename to request + +## Publish package + + + +```shell +curl \ + -H 'X-Api-Key: secret' \ + -XPOST \ + -T tuxedo-keyboard-3.0.10-1-x86_64.pkg.tar.zst \ + https://example.com/some-repo/publish +``` + +This endpoint allows you to publish a new package archive to a given repo. + +If the package's architecture is not `any`, it is added to that specific +arch-repo. Otherwise, it is added to the configured default architecture & any +other already present arch-repos. + +### HTTP Request + +`POST /:repo/publish` + +### URL Parameters + +Parameter | Description +--------- | ----------- +repo | Repository to publish package to diff --git a/docs/api/source/index.html.md b/docs/api/source/index.html.md new file mode 100644 index 0000000..7477498 --- /dev/null +++ b/docs/api/source/index.html.md @@ -0,0 +1,39 @@ +--- +title: API Reference + +language_tabs: # must be one of https://git.io/vQNgJ + - shell: cURL + +toc_footers: + - Documentation Powered by Slate + +includes: + - repository + - git + - logs + +search: true + +code_clipboard: true + +meta: + - name: description + content: Documentation for the Vieter API +--- + +# Introduction + +Welcome to the Vieter API documentation! Here, you can find everything related +to interacting with Vieter's HTTP API. + +# Authentication + +```shell +curl -H 'X-Api-Key: secret' https://example.com/api/some/path +``` + +> Don't forget to replace `secret` with your Vieter instance's secret. + +Authentication is done by passing the HTTP header `X-Api-Key: secret` along +with each request, where `secret` is replaced with your Vieter server's +configured secret. diff --git a/docs/api/source/javascripts/all.js b/docs/api/source/javascripts/all.js new file mode 100644 index 0000000..5f5d406 --- /dev/null +++ b/docs/api/source/javascripts/all.js @@ -0,0 +1,2 @@ +//= require ./all_nosearch +//= require ./app/_search diff --git a/docs/api/source/javascripts/all_nosearch.js b/docs/api/source/javascripts/all_nosearch.js new file mode 100644 index 0000000..026e5a2 --- /dev/null +++ b/docs/api/source/javascripts/all_nosearch.js @@ -0,0 +1,27 @@ +//= require ./lib/_energize +//= require ./app/_copy +//= require ./app/_toc +//= require ./app/_lang + +function adjustLanguageSelectorWidth() { + const elem = $('.dark-box > .lang-selector'); + elem.width(elem.parent().width()); +} + +$(function() { + loadToc($('#toc'), '.toc-link', '.toc-list-h2', 10); + setupLanguages($('body').data('languages')); + $('.content').imagesLoaded( function() { + window.recacheHeights(); + window.refreshToc(); + }); + + $(window).resize(function() { + adjustLanguageSelectorWidth(); + }); + adjustLanguageSelectorWidth(); +}); + +window.onpopstate = function() { + activateLanguage(getLanguageFromQueryString()); +}; diff --git a/docs/api/source/javascripts/app/_copy.js b/docs/api/source/javascripts/app/_copy.js new file mode 100644 index 0000000..4dfbbb6 --- /dev/null +++ b/docs/api/source/javascripts/app/_copy.js @@ -0,0 +1,15 @@ +function copyToClipboard(container) { + const el = document.createElement('textarea'); + el.value = container.textContent.replace(/\n$/, ''); + document.body.appendChild(el); + el.select(); + document.execCommand('copy'); + document.body.removeChild(el); +} + +function setupCodeCopy() { + $('pre.highlight').prepend('
Copy to Clipboard
'); + $('.copy-clipboard').on('click', function() { + copyToClipboard(this.parentNode.children[1]); + }); +} diff --git a/docs/api/source/javascripts/app/_lang.js b/docs/api/source/javascripts/app/_lang.js new file mode 100644 index 0000000..cc5ac8b --- /dev/null +++ b/docs/api/source/javascripts/app/_lang.js @@ -0,0 +1,171 @@ +//= require ../lib/_jquery + +/* +Copyright 2008-2013 Concur Technologies, Inc. + +Licensed under the Apache License, Version 2.0 (the "License"); you may +not use this file except in compliance with the License. You may obtain +a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +License for the specific language governing permissions and limitations +under the License. +*/ +;(function () { + 'use strict'; + + var languages = []; + + window.setupLanguages = setupLanguages; + window.activateLanguage = activateLanguage; + window.getLanguageFromQueryString = getLanguageFromQueryString; + + function activateLanguage(language) { + if (!language) return; + if (language === "") return; + + $(".lang-selector a").removeClass('active'); + $(".lang-selector a[data-language-name='" + language + "']").addClass('active'); + for (var i=0; i < languages.length; i++) { + $(".highlight.tab-" + languages[i]).hide(); + $(".lang-specific." + languages[i]).hide(); + } + $(".highlight.tab-" + language).show(); + $(".lang-specific." + language).show(); + + window.recacheHeights(); + + // scroll to the new location of the position + if ($(window.location.hash).get(0)) { + $(window.location.hash).get(0).scrollIntoView(true); + } + } + + // parseURL and stringifyURL are from https://github.com/sindresorhus/query-string + // MIT licensed + // https://github.com/sindresorhus/query-string/blob/7bee64c16f2da1a326579e96977b9227bf6da9e6/license + function parseURL(str) { + if (typeof str !== 'string') { + return {}; + } + + str = str.trim().replace(/^(\?|#|&)/, ''); + + if (!str) { + return {}; + } + + return str.split('&').reduce(function (ret, param) { + var parts = param.replace(/\+/g, ' ').split('='); + var key = parts[0]; + var val = parts[1]; + + key = decodeURIComponent(key); + // missing `=` should be `null`: + // http://w3.org/TR/2012/WD-url-20120524/#collect-url-parameters + val = val === undefined ? null : decodeURIComponent(val); + + if (!ret.hasOwnProperty(key)) { + ret[key] = val; + } else if (Array.isArray(ret[key])) { + ret[key].push(val); + } else { + ret[key] = [ret[key], val]; + } + + return ret; + }, {}); + }; + + function stringifyURL(obj) { + return obj ? Object.keys(obj).sort().map(function (key) { + var val = obj[key]; + + if (Array.isArray(val)) { + return val.sort().map(function (val2) { + return encodeURIComponent(key) + '=' + encodeURIComponent(val2); + }).join('&'); + } + + return encodeURIComponent(key) + '=' + encodeURIComponent(val); + }).join('&') : ''; + }; + + // gets the language set in the query string + function getLanguageFromQueryString() { + if (location.search.length >= 1) { + var language = parseURL(location.search).language; + if (language) { + return language; + } else if (jQuery.inArray(location.search.substr(1), languages) != -1) { + return location.search.substr(1); + } + } + + return false; + } + + // returns a new query string with the new language in it + function generateNewQueryString(language) { + var url = parseURL(location.search); + if (url.language) { + url.language = language; + return stringifyURL(url); + } + return language; + } + + // if a button is clicked, add the state to the history + function pushURL(language) { + if (!history) { return; } + var hash = window.location.hash; + if (hash) { + hash = hash.replace(/^#+/, ''); + } + history.pushState({}, '', '?' + generateNewQueryString(language) + '#' + hash); + + // save language as next default + if (localStorage) { + localStorage.setItem("language", language); + } + } + + function setupLanguages(l) { + var defaultLanguage = null; + if (localStorage) { + defaultLanguage = localStorage.getItem("language"); + } + + languages = l; + + var presetLanguage = getLanguageFromQueryString(); + if (presetLanguage) { + // the language is in the URL, so use that language! + activateLanguage(presetLanguage); + + if (localStorage) { + localStorage.setItem("language", presetLanguage); + } + } else if ((defaultLanguage !== null) && (jQuery.inArray(defaultLanguage, languages) != -1)) { + // the language was the last selected one saved in localstorage, so use that language! + activateLanguage(defaultLanguage); + } else { + // no language selected, so use the default + activateLanguage(languages[0]); + } + } + + // if we click on a language tab, activate that language + $(function() { + $(".lang-selector a").on("click", function() { + var language = $(this).data("language-name"); + pushURL(language); + activateLanguage(language); + return false; + }); + }); +})(); diff --git a/docs/api/source/javascripts/app/_search.js b/docs/api/source/javascripts/app/_search.js new file mode 100644 index 0000000..0b0ccd9 --- /dev/null +++ b/docs/api/source/javascripts/app/_search.js @@ -0,0 +1,102 @@ +//= require ../lib/_lunr +//= require ../lib/_jquery +//= require ../lib/_jquery.highlight +;(function () { + 'use strict'; + + var content, searchResults; + var highlightOpts = { element: 'span', className: 'search-highlight' }; + var searchDelay = 0; + var timeoutHandle = 0; + var index; + + function populate() { + index = lunr(function(){ + + this.ref('id'); + this.field('title', { boost: 10 }); + this.field('body'); + this.pipeline.add(lunr.trimmer, lunr.stopWordFilter); + var lunrConfig = this; + + $('h1, h2').each(function() { + var title = $(this); + var body = title.nextUntil('h1, h2'); + lunrConfig.add({ + id: title.prop('id'), + title: title.text(), + body: body.text() + }); + }); + + }); + determineSearchDelay(); + } + + $(populate); + $(bind); + + function determineSearchDelay() { + if (index.tokenSet.toArray().length>5000) { + searchDelay = 300; + } + } + + function bind() { + content = $('.content'); + searchResults = $('.search-results'); + + $('#input-search').on('keyup',function(e) { + var wait = function() { + return function(executingFunction, waitTime){ + clearTimeout(timeoutHandle); + timeoutHandle = setTimeout(executingFunction, waitTime); + }; + }(); + wait(function(){ + search(e); + }, searchDelay); + }); + } + + function search(event) { + + var searchInput = $('#input-search')[0]; + + unhighlight(); + searchResults.addClass('visible'); + + // ESC clears the field + if (event.keyCode === 27) searchInput.value = ''; + + if (searchInput.value) { + var results = index.search(searchInput.value).filter(function(r) { + return r.score > 0.0001; + }); + + if (results.length) { + searchResults.empty(); + $.each(results, function (index, result) { + var elem = document.getElementById(result.ref); + searchResults.append("
  • " + $(elem).text() + "
    • "); + }); + highlight.call(searchInput); + } else { + searchResults.html('
  • '); + $('.search-results li').text('No Results Found for "' + searchInput.value + '"'); + } + } else { + unhighlight(); + searchResults.removeClass('visible'); + } + } + + function highlight() { + if (this.value) content.highlight(this.value, highlightOpts); + } + + function unhighlight() { + content.unhighlight(highlightOpts); + } +})(); + diff --git a/docs/api/source/javascripts/app/_toc.js b/docs/api/source/javascripts/app/_toc.js new file mode 100644 index 0000000..f70bdc0 --- /dev/null +++ b/docs/api/source/javascripts/app/_toc.js @@ -0,0 +1,122 @@ +//= require ../lib/_jquery +//= require ../lib/_imagesloaded.min +;(function () { + 'use strict'; + + var htmlPattern = /<[^>]*>/g; + var loaded = false; + + var debounce = function(func, waitTime) { + var timeout = false; + return function() { + if (timeout === false) { + setTimeout(function() { + func(); + timeout = false; + }, waitTime); + timeout = true; + } + }; + }; + + var closeToc = function() { + $(".toc-wrapper").removeClass('open'); + $("#nav-button").removeClass('open'); + }; + + function loadToc($toc, tocLinkSelector, tocListSelector, scrollOffset) { + var headerHeights = {}; + var pageHeight = 0; + var windowHeight = 0; + var originalTitle = document.title; + + var recacheHeights = function() { + headerHeights = {}; + pageHeight = $(document).height(); + windowHeight = $(window).height(); + + $toc.find(tocLinkSelector).each(function() { + var targetId = $(this).attr('href'); + if (targetId[0] === "#") { + headerHeights[targetId] = $("#" + $.escapeSelector(targetId.substring(1))).offset().top; + } + }); + }; + + var refreshToc = function() { + var currentTop = $(document).scrollTop() + scrollOffset; + + if (currentTop + windowHeight >= pageHeight) { + // at bottom of page, so just select last header by making currentTop very large + // this fixes the problem where the last header won't ever show as active if its content + // is shorter than the window height + currentTop = pageHeight + 1000; + } + + var best = null; + for (var name in headerHeights) { + if ((headerHeights[name] < currentTop && headerHeights[name] > headerHeights[best]) || best === null) { + best = name; + } + } + + // Catch the initial load case + if (currentTop == scrollOffset && !loaded) { + best = window.location.hash; + loaded = true; + } + + var $best = $toc.find("[href='" + best + "']").first(); + if (!$best.hasClass("active")) { + // .active is applied to the ToC link we're currently on, and its parent
      s selected by tocListSelector + // .active-expanded is applied to the ToC links that are parents of this one + $toc.find(".active").removeClass("active"); + $toc.find(".active-parent").removeClass("active-parent"); + $best.addClass("active"); + $best.parents(tocListSelector).addClass("active").siblings(tocLinkSelector).addClass('active-parent'); + $best.siblings(tocListSelector).addClass("active"); + $toc.find(tocListSelector).filter(":not(.active)").slideUp(150); + $toc.find(tocListSelector).filter(".active").slideDown(150); + if (window.history.replaceState) { + window.history.replaceState(null, "", best); + } + var thisTitle = $best.data("title"); + if (thisTitle !== undefined && thisTitle.length > 0) { + document.title = thisTitle.replace(htmlPattern, "") + " – " + originalTitle; + } else { + document.title = originalTitle; + } + } + }; + + var makeToc = function() { + recacheHeights(); + refreshToc(); + + $("#nav-button").click(function() { + $(".toc-wrapper").toggleClass('open'); + $("#nav-button").toggleClass('open'); + return false; + }); + $(".page-wrapper").click(closeToc); + $(".toc-link").click(closeToc); + + // reload immediately after scrolling on toc click + $toc.find(tocLinkSelector).click(function() { + setTimeout(function() { + refreshToc(); + }, 0); + }); + + $(window).scroll(debounce(refreshToc, 200)); + $(window).resize(debounce(recacheHeights, 200)); + }; + + makeToc(); + + window.recacheHeights = recacheHeights; + window.refreshToc = refreshToc; + } + + window.loadToc = loadToc; +})(); diff --git a/docs/api/source/javascripts/lib/_energize.js b/docs/api/source/javascripts/lib/_energize.js new file mode 100644 index 0000000..6798f3c --- /dev/null +++ b/docs/api/source/javascripts/lib/_energize.js @@ -0,0 +1,169 @@ +/** + * energize.js v0.1.0 + * + * Speeds up click events on mobile devices. + * https://github.com/davidcalhoun/energize.js + */ + +(function() { // Sandbox + /** + * Don't add to non-touch devices, which don't need to be sped up + */ + if(!('ontouchstart' in window)) return; + + var lastClick = {}, + isThresholdReached, touchstart, touchmove, touchend, + click, closest; + + /** + * isThresholdReached + * + * Compare touchstart with touchend xy coordinates, + * and only fire simulated click event if the coordinates + * are nearby. (don't want clicking to be confused with a swipe) + */ + isThresholdReached = function(startXY, xy) { + return Math.abs(startXY[0] - xy[0]) > 5 || Math.abs(startXY[1] - xy[1]) > 5; + }; + + /** + * touchstart + * + * Save xy coordinates when the user starts touching the screen + */ + touchstart = function(e) { + this.startXY = [e.touches[0].clientX, e.touches[0].clientY]; + this.threshold = false; + }; + + /** + * touchmove + * + * Check if the user is scrolling past the threshold. + * Have to check here because touchend will not always fire + * on some tested devices (Kindle Fire?) + */ + touchmove = function(e) { + // NOOP if the threshold has already been reached + if(this.threshold) return false; + + this.threshold = isThresholdReached(this.startXY, [e.touches[0].clientX, e.touches[0].clientY]); + }; + + /** + * touchend + * + * If the user didn't scroll past the threshold between + * touchstart and touchend, fire a simulated click. + * + * (This will fire before a native click) + */ + touchend = function(e) { + // Don't fire a click if the user scrolled past the threshold + if(this.threshold || isThresholdReached(this.startXY, [e.changedTouches[0].clientX, e.changedTouches[0].clientY])) { + return; + } + + /** + * Create and fire a click event on the target element + * https://developer.mozilla.org/en/DOM/event.initMouseEvent + */ + var touch = e.changedTouches[0], + evt = document.createEvent('MouseEvents'); + evt.initMouseEvent('click', true, true, window, 0, touch.screenX, touch.screenY, touch.clientX, touch.clientY, false, false, false, false, 0, null); + evt.simulated = true; // distinguish from a normal (nonsimulated) click + e.target.dispatchEvent(evt); + }; + + /** + * click + * + * Because we've already fired a click event in touchend, + * we need to listed for all native click events here + * and suppress them as necessary. + */ + click = function(e) { + /** + * Prevent ghost clicks by only allowing clicks we created + * in the click event we fired (look for e.simulated) + */ + var time = Date.now(), + timeDiff = time - lastClick.time, + x = e.clientX, + y = e.clientY, + xyDiff = [Math.abs(lastClick.x - x), Math.abs(lastClick.y - y)], + target = closest(e.target, 'A') || e.target, // needed for standalone apps + nodeName = target.nodeName, + isLink = nodeName === 'A', + standAlone = window.navigator.standalone && isLink && e.target.getAttribute("href"); + + lastClick.time = time; + lastClick.x = x; + lastClick.y = y; + + /** + * Unfortunately Android sometimes fires click events without touch events (seen on Kindle Fire), + * so we have to add more logic to determine the time of the last click. Not perfect... + * + * Older, simpler check: if((!e.simulated) || standAlone) + */ + if((!e.simulated && (timeDiff < 500 || (timeDiff < 1500 && xyDiff[0] < 50 && xyDiff[1] < 50))) || standAlone) { + e.preventDefault(); + e.stopPropagation(); + if(!standAlone) return false; + } + + /** + * Special logic for standalone web apps + * See http://stackoverflow.com/questions/2898740/iphone-safari-web-app-opens-links-in-new-window + */ + if(standAlone) { + window.location = target.getAttribute("href"); + } + + /** + * Add an energize-focus class to the targeted link (mimics :focus behavior) + * TODO: test and/or remove? Does this work? + */ + if(!target || !target.classList) return; + target.classList.add("energize-focus"); + window.setTimeout(function(){ + target.classList.remove("energize-focus"); + }, 150); + }; + + /** + * closest + * @param {HTMLElement} node current node to start searching from. + * @param {string} tagName the (uppercase) name of the tag you're looking for. + * + * Find the closest ancestor tag of a given node. + * + * Starts at node and goes up the DOM tree looking for a + * matching nodeName, continuing until hitting document.body + */ + closest = function(node, tagName){ + var curNode = node; + + while(curNode !== document.body) { // go up the dom until we find the tag we're after + if(!curNode || curNode.nodeName === tagName) { return curNode; } // found + curNode = curNode.parentNode; // not found, so keep going up + } + + return null; // not found + }; + + /** + * Add all delegated event listeners + * + * All the events we care about bubble up to document, + * so we can take advantage of event delegation. + * + * Note: no need to wait for DOMContentLoaded here + */ + document.addEventListener('touchstart', touchstart, false); + document.addEventListener('touchmove', touchmove, false); + document.addEventListener('touchend', touchend, false); + document.addEventListener('click', click, true); // TODO: why does this use capture? + +})(); \ No newline at end of file diff --git a/docs/api/source/javascripts/lib/_imagesloaded.min.js b/docs/api/source/javascripts/lib/_imagesloaded.min.js new file mode 100644 index 0000000..e443a77 --- /dev/null +++ b/docs/api/source/javascripts/lib/_imagesloaded.min.js @@ -0,0 +1,7 @@ +/*! + * imagesLoaded PACKAGED v4.1.4 + * JavaScript is all like "You images are done yet or what?" + * MIT License + */ + +!function(e,t){"function"==typeof define&&define.amd?define("ev-emitter/ev-emitter",t):"object"==typeof module&&module.exports?module.exports=t():e.EvEmitter=t()}("undefined"!=typeof window?window:this,function(){function e(){}var t=e.prototype;return t.on=function(e,t){if(e&&t){var i=this._events=this._events||{},n=i[e]=i[e]||[];return n.indexOf(t)==-1&&n.push(t),this}},t.once=function(e,t){if(e&&t){this.on(e,t);var i=this._onceEvents=this._onceEvents||{},n=i[e]=i[e]||{};return n[t]=!0,this}},t.off=function(e,t){var i=this._events&&this._events[e];if(i&&i.length){var n=i.indexOf(t);return n!=-1&&i.splice(n,1),this}},t.emitEvent=function(e,t){var i=this._events&&this._events[e];if(i&&i.length){i=i.slice(0),t=t||[];for(var n=this._onceEvents&&this._onceEvents[e],o=0;o (default options) + * $('#content').highlight('lorem'); + * + * // search for and highlight more terms at once + * // so you can save some time on traversing DOM + * $('#content').highlight(['lorem', 'ipsum']); + * $('#content').highlight('lorem ipsum'); + * + * // search only for entire word 'lorem' + * $('#content').highlight('lorem', { wordsOnly: true }); + * + * // don't ignore case during search of term 'lorem' + * $('#content').highlight('lorem', { caseSensitive: true }); + * + * // wrap every occurrance of term 'ipsum' in content + * // with + * $('#content').highlight('ipsum', { element: 'em', className: 'important' }); + * + * // remove default highlight + * $('#content').unhighlight(); + * + * // remove custom highlight + * $('#content').unhighlight({ element: 'em', className: 'important' }); + * + * + * Copyright (c) 2009 Bartek Szopka + * + * Licensed under MIT license. + * + */ + +jQuery.extend({ + highlight: function (node, re, nodeName, className) { + if (node.nodeType === 3) { + var match = node.data.match(re); + if (match) { + var highlight = document.createElement(nodeName || 'span'); + highlight.className = className || 'highlight'; + var wordNode = node.splitText(match.index); + wordNode.splitText(match[0].length); + var wordClone = wordNode.cloneNode(true); + highlight.appendChild(wordClone); + wordNode.parentNode.replaceChild(highlight, wordNode); + return 1; //skip added node in parent + } + } else if ((node.nodeType === 1 && node.childNodes) && // only element nodes that have children + !/(script|style)/i.test(node.tagName) && // ignore script and style nodes + !(node.tagName === nodeName.toUpperCase() && node.className === className)) { // skip if already highlighted + for (var i = 0; i < node.childNodes.length; i++) { + i += jQuery.highlight(node.childNodes[i], re, nodeName, className); + } + } + return 0; + } +}); + +jQuery.fn.unhighlight = function (options) { + var settings = { className: 'highlight', element: 'span' }; + jQuery.extend(settings, options); + + return this.find(settings.element + "." + settings.className).each(function () { + var parent = this.parentNode; + parent.replaceChild(this.firstChild, this); + parent.normalize(); + }).end(); +}; + +jQuery.fn.highlight = function (words, options) { + var settings = { className: 'highlight', element: 'span', caseSensitive: false, wordsOnly: false }; + jQuery.extend(settings, options); + + if (words.constructor === String) { + words = [words]; + } + words = jQuery.grep(words, function(word, i){ + return word != ''; + }); + words = jQuery.map(words, function(word, i) { + return word.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"); + }); + if (words.length == 0) { return this; }; + + var flag = settings.caseSensitive ? "" : "i"; + var pattern = "(" + words.join("|") + ")"; + if (settings.wordsOnly) { + pattern = "\\b" + pattern + "\\b"; + } + var re = new RegExp(pattern, flag); + + return this.each(function () { + jQuery.highlight(this, re, settings.element, settings.className); + }); +}; + diff --git a/docs/api/source/javascripts/lib/_jquery.js b/docs/api/source/javascripts/lib/_jquery.js new file mode 100644 index 0000000..fc6c299 --- /dev/null +++ b/docs/api/source/javascripts/lib/_jquery.js @@ -0,0 +1,10881 @@ +/*! + * jQuery JavaScript Library v3.6.0 + * https://jquery.com/ + * + * Includes Sizzle.js + * https://sizzlejs.com/ + * + * Copyright OpenJS Foundation and other contributors + * Released under the MIT license + * https://jquery.org/license + * + * Date: 2021-03-02T17:08Z + */ +( function( global, factory ) { + + "use strict"; + + if ( typeof module === "object" && typeof module.exports === "object" ) { + + // For CommonJS and CommonJS-like environments where a proper `window` + // is present, execute the factory and get jQuery. + // For environments that do not have a `window` with a `document` + // (such as Node.js), expose a factory as module.exports. + // This accentuates the need for the creation of a real `window`. + // e.g. var jQuery = require("jquery")(window); + // See ticket #14549 for more info. + module.exports = global.document ? + factory( global, true ) : + function( w ) { + if ( !w.document ) { + throw new Error( "jQuery requires a window with a document" ); + } + return factory( w ); + }; + } else { + factory( global ); + } + +// Pass this if window is not defined yet +} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) { + +// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1 +// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode +// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common +// enough that all such attempts are guarded in a try block. +"use strict"; + +var arr = []; + +var getProto = Object.getPrototypeOf; + +var slice = arr.slice; + +var flat = arr.flat ? function( array ) { + return arr.flat.call( array ); +} : function( array ) { + return arr.concat.apply( [], array ); +}; + + +var push = arr.push; + +var indexOf = arr.indexOf; + +var class2type = {}; + +var toString = class2type.toString; + +var hasOwn = class2type.hasOwnProperty; + +var fnToString = hasOwn.toString; + +var ObjectFunctionString = fnToString.call( Object ); + +var support = {}; + +var isFunction = function isFunction( obj ) { + + // Support: Chrome <=57, Firefox <=52 + // In some browsers, typeof returns "function" for HTML elements + // (i.e., `typeof document.createElement( "object" ) === "function"`). + // We don't want to classify *any* DOM node as a function. + // Support: QtWeb <=3.8.5, WebKit <=534.34, wkhtmltopdf tool <=0.12.5 + // Plus for old WebKit, typeof returns "function" for HTML collections + // (e.g., `typeof document.getElementsByTagName("div") === "function"`). (gh-4756) + return typeof obj === "function" && typeof obj.nodeType !== "number" && + typeof obj.item !== "function"; + }; + + +var isWindow = function isWindow( obj ) { + return obj != null && obj === obj.window; + }; + + +var document = window.document; + + + + var preservedScriptAttributes = { + type: true, + src: true, + nonce: true, + noModule: true + }; + + function DOMEval( code, node, doc ) { + doc = doc || document; + + var i, val, + script = doc.createElement( "script" ); + + script.text = code; + if ( node ) { + for ( i in preservedScriptAttributes ) { + + // Support: Firefox 64+, Edge 18+ + // Some browsers don't support the "nonce" property on scripts. + // On the other hand, just using `getAttribute` is not enough as + // the `nonce` attribute is reset to an empty string whenever it + // becomes browsing-context connected. + // See https://github.com/whatwg/html/issues/2369 + // See https://html.spec.whatwg.org/#nonce-attributes + // The `node.getAttribute` check was added for the sake of + // `jQuery.globalEval` so that it can fake a nonce-containing node + // via an object. + val = node[ i ] || node.getAttribute && node.getAttribute( i ); + if ( val ) { + script.setAttribute( i, val ); + } + } + } + doc.head.appendChild( script ).parentNode.removeChild( script ); + } + + +function toType( obj ) { + if ( obj == null ) { + return obj + ""; + } + + // Support: Android <=2.3 only (functionish RegExp) + return typeof obj === "object" || typeof obj === "function" ? + class2type[ toString.call( obj ) ] || "object" : + typeof obj; +} +/* global Symbol */ +// Defining this global in .eslintrc.json would create a danger of using the global +// unguarded in another place, it seems safer to define global only for this module + + + +var + version = "3.6.0", + + // Define a local copy of jQuery + jQuery = function( selector, context ) { + + // The jQuery object is actually just the init constructor 'enhanced' + // Need init if jQuery is called (just allow error to be thrown if not included) + return new jQuery.fn.init( selector, context ); + }; + +jQuery.fn = jQuery.prototype = { + + // The current version of jQuery being used + jquery: version, + + constructor: jQuery, + + // The default length of a jQuery object is 0 + length: 0, + + toArray: function() { + return slice.call( this ); + }, + + // Get the Nth element in the matched element set OR + // Get the whole matched element set as a clean array + get: function( num ) { + + // Return all the elements in a clean array + if ( num == null ) { + return slice.call( this ); + } + + // Return just the one element from the set + return num < 0 ? this[ num + this.length ] : this[ num ]; + }, + + // Take an array of elements and push it onto the stack + // (returning the new matched element set) + pushStack: function( elems ) { + + // Build a new jQuery matched element set + var ret = jQuery.merge( this.constructor(), elems ); + + // Add the old object onto the stack (as a reference) + ret.prevObject = this; + + // Return the newly-formed element set + return ret; + }, + + // Execute a callback for every element in the matched set. + each: function( callback ) { + return jQuery.each( this, callback ); + }, + + map: function( callback ) { + return this.pushStack( jQuery.map( this, function( elem, i ) { + return callback.call( elem, i, elem ); + } ) ); + }, + + slice: function() { + return this.pushStack( slice.apply( this, arguments ) ); + }, + + first: function() { + return this.eq( 0 ); + }, + + last: function() { + return this.eq( -1 ); + }, + + even: function() { + return this.pushStack( jQuery.grep( this, function( _elem, i ) { + return ( i + 1 ) % 2; + } ) ); + }, + + odd: function() { + return this.pushStack( jQuery.grep( this, function( _elem, i ) { + return i % 2; + } ) ); + }, + + eq: function( i ) { + var len = this.length, + j = +i + ( i < 0 ? len : 0 ); + return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] ); + }, + + end: function() { + return this.prevObject || this.constructor(); + }, + + // For internal use only. + // Behaves like an Array's method, not like a jQuery method. + push: push, + sort: arr.sort, + splice: arr.splice +}; + +jQuery.extend = jQuery.fn.extend = function() { + var options, name, src, copy, copyIsArray, clone, + target = arguments[ 0 ] || {}, + i = 1, + length = arguments.length, + deep = false; + + // Handle a deep copy situation + if ( typeof target === "boolean" ) { + deep = target; + + // Skip the boolean and the target + target = arguments[ i ] || {}; + i++; + } + + // Handle case when target is a string or something (possible in deep copy) + if ( typeof target !== "object" && !isFunction( target ) ) { + target = {}; + } + + // Extend jQuery itself if only one argument is passed + if ( i === length ) { + target = this; + i--; + } + + for ( ; i < length; i++ ) { + + // Only deal with non-null/undefined values + if ( ( options = arguments[ i ] ) != null ) { + + // Extend the base object + for ( name in options ) { + copy = options[ name ]; + + // Prevent Object.prototype pollution + // Prevent never-ending loop + if ( name === "__proto__" || target === copy ) { + continue; + } + + // Recurse if we're merging plain objects or arrays + if ( deep && copy && ( jQuery.isPlainObject( copy ) || + ( copyIsArray = Array.isArray( copy ) ) ) ) { + src = target[ name ]; + + // Ensure proper type for the source value + if ( copyIsArray && !Array.isArray( src ) ) { + clone = []; + } else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) { + clone = {}; + } else { + clone = src; + } + copyIsArray = false; + + // Never move original objects, clone them + target[ name ] = jQuery.extend( deep, clone, copy ); + + // Don't bring in undefined values + } else if ( copy !== undefined ) { + target[ name ] = copy; + } + } + } + } + + // Return the modified object + return target; +}; + +jQuery.extend( { + + // Unique for each copy of jQuery on the page + expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ), + + // Assume jQuery is ready without the ready module + isReady: true, + + error: function( msg ) { + throw new Error( msg ); + }, + + noop: function() {}, + + isPlainObject: function( obj ) { + var proto, Ctor; + + // Detect obvious negatives + // Use toString instead of jQuery.type to catch host objects + if ( !obj || toString.call( obj ) !== "[object Object]" ) { + return false; + } + + proto = getProto( obj ); + + // Objects with no prototype (e.g., `Object.create( null )`) are plain + if ( !proto ) { + return true; + } + + // Objects with prototype are plain iff they were constructed by a global Object function + Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor; + return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString; + }, + + isEmptyObject: function( obj ) { + var name; + + for ( name in obj ) { + return false; + } + return true; + }, + + // Evaluates a script in a provided context; falls back to the global one + // if not specified. + globalEval: function( code, options, doc ) { + DOMEval( code, { nonce: options && options.nonce }, doc ); + }, + + each: function( obj, callback ) { + var length, i = 0; + + if ( isArrayLike( obj ) ) { + length = obj.length; + for ( ; i < length; i++ ) { + if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { + break; + } + } + } else { + for ( i in obj ) { + if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { + break; + } + } + } + + return obj; + }, + + // results is for internal usage only + makeArray: function( arr, results ) { + var ret = results || []; + + if ( arr != null ) { + if ( isArrayLike( Object( arr ) ) ) { + jQuery.merge( ret, + typeof arr === "string" ? + [ arr ] : arr + ); + } else { + push.call( ret, arr ); + } + } + + return ret; + }, + + inArray: function( elem, arr, i ) { + return arr == null ? -1 : indexOf.call( arr, elem, i ); + }, + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + merge: function( first, second ) { + var len = +second.length, + j = 0, + i = first.length; + + for ( ; j < len; j++ ) { + first[ i++ ] = second[ j ]; + } + + first.length = i; + + return first; + }, + + grep: function( elems, callback, invert ) { + var callbackInverse, + matches = [], + i = 0, + length = elems.length, + callbackExpect = !invert; + + // Go through the array, only saving the items + // that pass the validator function + for ( ; i < length; i++ ) { + callbackInverse = !callback( elems[ i ], i ); + if ( callbackInverse !== callbackExpect ) { + matches.push( elems[ i ] ); + } + } + + return matches; + }, + + // arg is for internal usage only + map: function( elems, callback, arg ) { + var length, value, + i = 0, + ret = []; + + // Go through the array, translating each of the items to their new values + if ( isArrayLike( elems ) ) { + length = elems.length; + for ( ; i < length; i++ ) { + value = callback( elems[ i ], i, arg ); + + if ( value != null ) { + ret.push( value ); + } + } + + // Go through every key on the object, + } else { + for ( i in elems ) { + value = callback( elems[ i ], i, arg ); + + if ( value != null ) { + ret.push( value ); + } + } + } + + // Flatten any nested arrays + return flat( ret ); + }, + + // A global GUID counter for objects + guid: 1, + + // jQuery.support is not used in Core but other projects attach their + // properties to it so it needs to exist. + support: support +} ); + +if ( typeof Symbol === "function" ) { + jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ]; +} + +// Populate the class2type map +jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ), + function( _i, name ) { + class2type[ "[object " + name + "]" ] = name.toLowerCase(); + } ); + +function isArrayLike( obj ) { + + // Support: real iOS 8.2 only (not reproducible in simulator) + // `in` check used to prevent JIT error (gh-2145) + // hasOwn isn't used here due to false negatives + // regarding Nodelist length in IE + var length = !!obj && "length" in obj && obj.length, + type = toType( obj ); + + if ( isFunction( obj ) || isWindow( obj ) ) { + return false; + } + + return type === "array" || length === 0 || + typeof length === "number" && length > 0 && ( length - 1 ) in obj; +} +var Sizzle = +/*! + * Sizzle CSS Selector Engine v2.3.6 + * https://sizzlejs.com/ + * + * Copyright JS Foundation and other contributors + * Released under the MIT license + * https://js.foundation/ + * + * Date: 2021-02-16 + */ +( function( window ) { +var i, + support, + Expr, + getText, + isXML, + tokenize, + compile, + select, + outermostContext, + sortInput, + hasDuplicate, + + // Local document vars + setDocument, + document, + docElem, + documentIsHTML, + rbuggyQSA, + rbuggyMatches, + matches, + contains, + + // Instance-specific data + expando = "sizzle" + 1 * new Date(), + preferredDoc = window.document, + dirruns = 0, + done = 0, + classCache = createCache(), + tokenCache = createCache(), + compilerCache = createCache(), + nonnativeSelectorCache = createCache(), + sortOrder = function( a, b ) { + if ( a === b ) { + hasDuplicate = true; + } + return 0; + }, + + // Instance methods + hasOwn = ( {} ).hasOwnProperty, + arr = [], + pop = arr.pop, + pushNative = arr.push, + push = arr.push, + slice = arr.slice, + + // Use a stripped-down indexOf as it's faster than native + // https://jsperf.com/thor-indexof-vs-for/5 + indexOf = function( list, elem ) { + var i = 0, + len = list.length; + for ( ; i < len; i++ ) { + if ( list[ i ] === elem ) { + return i; + } + } + return -1; + }, + + booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|" + + "ismap|loop|multiple|open|readonly|required|scoped", + + // Regular expressions + + // http://www.w3.org/TR/css3-selectors/#whitespace + whitespace = "[\\x20\\t\\r\\n\\f]", + + // https://www.w3.org/TR/css-syntax-3/#ident-token-diagram + identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace + + "?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+", + + // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors + attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace + + + // Operator (capture 2) + "*([*^$|!~]?=)" + whitespace + + + // "Attribute values must be CSS identifiers [capture 5] + // or strings [capture 3 or capture 4]" + "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + + whitespace + "*\\]", + + pseudos = ":(" + identifier + ")(?:\\((" + + + // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: + // 1. quoted (capture 3; capture 4 or capture 5) + "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + + + // 2. simple (capture 6) + "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + + + // 3. anything else (capture 2) + ".*" + + ")\\)|)", + + // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter + rwhitespace = new RegExp( whitespace + "+", "g" ), + rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + + whitespace + "+$", "g" ), + + rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), + rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + + "*" ), + rdescend = new RegExp( whitespace + "|>" ), + + rpseudo = new RegExp( pseudos ), + ridentifier = new RegExp( "^" + identifier + "$" ), + + matchExpr = { + "ID": new RegExp( "^#(" + identifier + ")" ), + "CLASS": new RegExp( "^\\.(" + identifier + ")" ), + "TAG": new RegExp( "^(" + identifier + "|[*])" ), + "ATTR": new RegExp( "^" + attributes ), + "PSEUDO": new RegExp( "^" + pseudos ), + "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + + whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + + whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), + "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), + + // For use in libraries implementing .is() + // We use this for POS matching in `select` + "needsContext": new RegExp( "^" + whitespace + + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace + + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) + }, + + rhtml = /HTML$/i, + rinputs = /^(?:input|select|textarea|button)$/i, + rheader = /^h\d$/i, + + rnative = /^[^{]+\{\s*\[native \w/, + + // Easily-parseable/retrievable ID or TAG or CLASS selectors + rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, + + rsibling = /[+~]/, + + // CSS escapes + // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters + runescape = new RegExp( "\\\\[\\da-fA-F]{1,6}" + whitespace + "?|\\\\([^\\r\\n\\f])", "g" ), + funescape = function( escape, nonHex ) { + var high = "0x" + escape.slice( 1 ) - 0x10000; + + return nonHex ? + + // Strip the backslash prefix from a non-hex escape sequence + nonHex : + + // Replace a hexadecimal escape sequence with the encoded Unicode code point + // Support: IE <=11+ + // For values outside the Basic Multilingual Plane (BMP), manually construct a + // surrogate pair + high < 0 ? + String.fromCharCode( high + 0x10000 ) : + String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); + }, + + // CSS string/identifier serialization + // https://drafts.csswg.org/cssom/#common-serializing-idioms + rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g, + fcssescape = function( ch, asCodePoint ) { + if ( asCodePoint ) { + + // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER + if ( ch === "\0" ) { + return "\uFFFD"; + } + + // Control characters and (dependent upon position) numbers get escaped as code points + return ch.slice( 0, -1 ) + "\\" + + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " "; + } + + // Other potentially-special ASCII characters get backslash-escaped + return "\\" + ch; + }, + + // Used for iframes + // See setDocument() + // Removing the function wrapper causes a "Permission Denied" + // error in IE + unloadHandler = function() { + setDocument(); + }, + + inDisabledFieldset = addCombinator( + function( elem ) { + return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset"; + }, + { dir: "parentNode", next: "legend" } + ); + +// Optimize for push.apply( _, NodeList ) +try { + push.apply( + ( arr = slice.call( preferredDoc.childNodes ) ), + preferredDoc.childNodes + ); + + // Support: Android<4.0 + // Detect silently failing push.apply + // eslint-disable-next-line no-unused-expressions + arr[ preferredDoc.childNodes.length ].nodeType; +} catch ( e ) { + push = { apply: arr.length ? + + // Leverage slice if possible + function( target, els ) { + pushNative.apply( target, slice.call( els ) ); + } : + + // Support: IE<9 + // Otherwise append directly + function( target, els ) { + var j = target.length, + i = 0; + + // Can't trust NodeList.length + while ( ( target[ j++ ] = els[ i++ ] ) ) {} + target.length = j - 1; + } + }; +} + +function Sizzle( selector, context, results, seed ) { + var m, i, elem, nid, match, groups, newSelector, + newContext = context && context.ownerDocument, + + // nodeType defaults to 9, since context defaults to document + nodeType = context ? context.nodeType : 9; + + results = results || []; + + // Return early from calls with invalid selector or context + if ( typeof selector !== "string" || !selector || + nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) { + + return results; + } + + // Try to shortcut find operations (as opposed to filters) in HTML documents + if ( !seed ) { + setDocument( context ); + context = context || document; + + if ( documentIsHTML ) { + + // If the selector is sufficiently simple, try using a "get*By*" DOM method + // (excepting DocumentFragment context, where the methods don't exist) + if ( nodeType !== 11 && ( match = rquickExpr.exec( selector ) ) ) { + + // ID selector + if ( ( m = match[ 1 ] ) ) { + + // Document context + if ( nodeType === 9 ) { + if ( ( elem = context.getElementById( m ) ) ) { + + // Support: IE, Opera, Webkit + // TODO: identify versions + // getElementById can match elements by name instead of ID + if ( elem.id === m ) { + results.push( elem ); + return results; + } + } else { + return results; + } + + // Element context + } else { + + // Support: IE, Opera, Webkit + // TODO: identify versions + // getElementById can match elements by name instead of ID + if ( newContext && ( elem = newContext.getElementById( m ) ) && + contains( context, elem ) && + elem.id === m ) { + + results.push( elem ); + return results; + } + } + + // Type selector + } else if ( match[ 2 ] ) { + push.apply( results, context.getElementsByTagName( selector ) ); + return results; + + // Class selector + } else if ( ( m = match[ 3 ] ) && support.getElementsByClassName && + context.getElementsByClassName ) { + + push.apply( results, context.getElementsByClassName( m ) ); + return results; + } + } + + // Take advantage of querySelectorAll + if ( support.qsa && + !nonnativeSelectorCache[ selector + " " ] && + ( !rbuggyQSA || !rbuggyQSA.test( selector ) ) && + + // Support: IE 8 only + // Exclude object elements + ( nodeType !== 1 || context.nodeName.toLowerCase() !== "object" ) ) { + + newSelector = selector; + newContext = context; + + // qSA considers elements outside a scoping root when evaluating child or + // descendant combinators, which is not what we want. + // In such cases, we work around the behavior by prefixing every selector in the + // list with an ID selector referencing the scope context. + // The technique has to be used as well when a leading combinator is used + // as such selectors are not recognized by querySelectorAll. + // Thanks to Andrew Dupont for this technique. + if ( nodeType === 1 && + ( rdescend.test( selector ) || rcombinators.test( selector ) ) ) { + + // Expand context for sibling selectors + newContext = rsibling.test( selector ) && testContext( context.parentNode ) || + context; + + // We can use :scope instead of the ID hack if the browser + // supports it & if we're not changing the context. + if ( newContext !== context || !support.scope ) { + + // Capture the context ID, setting it first if necessary + if ( ( nid = context.getAttribute( "id" ) ) ) { + nid = nid.replace( rcssescape, fcssescape ); + } else { + context.setAttribute( "id", ( nid = expando ) ); + } + } + + // Prefix every selector in the list + groups = tokenize( selector ); + i = groups.length; + while ( i-- ) { + groups[ i ] = ( nid ? "#" + nid : ":scope" ) + " " + + toSelector( groups[ i ] ); + } + newSelector = groups.join( "," ); + } + + try { + push.apply( results, + newContext.querySelectorAll( newSelector ) + ); + return results; + } catch ( qsaError ) { + nonnativeSelectorCache( selector, true ); + } finally { + if ( nid === expando ) { + context.removeAttribute( "id" ); + } + } + } + } + } + + // All others + return select( selector.replace( rtrim, "$1" ), context, results, seed ); +} + +/** + * Create key-value caches of limited size + * @returns {function(string, object)} Returns the Object data after storing it on itself with + * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) + * deleting the oldest entry + */ +function createCache() { + var keys = []; + + function cache( key, value ) { + + // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) + if ( keys.push( key + " " ) > Expr.cacheLength ) { + + // Only keep the most recent entries + delete cache[ keys.shift() ]; + } + return ( cache[ key + " " ] = value ); + } + return cache; +} + +/** + * Mark a function for special use by Sizzle + * @param {Function} fn The function to mark + */ +function markFunction( fn ) { + fn[ expando ] = true; + return fn; +} + +/** + * Support testing using an element + * @param {Function} fn Passed the created element and returns a boolean result + */ +function assert( fn ) { + var el = document.createElement( "fieldset" ); + + try { + return !!fn( el ); + } catch ( e ) { + return false; + } finally { + + // Remove from its parent by default + if ( el.parentNode ) { + el.parentNode.removeChild( el ); + } + + // release memory in IE + el = null; + } +} + +/** + * Adds the same handler for all of the specified attrs + * @param {String} attrs Pipe-separated list of attributes + * @param {Function} handler The method that will be applied + */ +function addHandle( attrs, handler ) { + var arr = attrs.split( "|" ), + i = arr.length; + + while ( i-- ) { + Expr.attrHandle[ arr[ i ] ] = handler; + } +} + +/** + * Checks document order of two siblings + * @param {Element} a + * @param {Element} b + * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b + */ +function siblingCheck( a, b ) { + var cur = b && a, + diff = cur && a.nodeType === 1 && b.nodeType === 1 && + a.sourceIndex - b.sourceIndex; + + // Use IE sourceIndex if available on both nodes + if ( diff ) { + return diff; + } + + // Check if b follows a + if ( cur ) { + while ( ( cur = cur.nextSibling ) ) { + if ( cur === b ) { + return -1; + } + } + } + + return a ? 1 : -1; +} + +/** + * Returns a function to use in pseudos for input types + * @param {String} type + */ +function createInputPseudo( type ) { + return function( elem ) { + var name = elem.nodeName.toLowerCase(); + return name === "input" && elem.type === type; + }; +} + +/** + * Returns a function to use in pseudos for buttons + * @param {String} type + */ +function createButtonPseudo( type ) { + return function( elem ) { + var name = elem.nodeName.toLowerCase(); + return ( name === "input" || name === "button" ) && elem.type === type; + }; +} + +/** + * Returns a function to use in pseudos for :enabled/:disabled + * @param {Boolean} disabled true for :disabled; false for :enabled + */ +function createDisabledPseudo( disabled ) { + + // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable + return function( elem ) { + + // Only certain elements can match :enabled or :disabled + // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled + // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled + if ( "form" in elem ) { + + // Check for inherited disabledness on relevant non-disabled elements: + // * listed form-associated elements in a disabled fieldset + // https://html.spec.whatwg.org/multipage/forms.html#category-listed + // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled + // * option elements in a disabled optgroup + // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled + // All such elements have a "form" property. + if ( elem.parentNode && elem.disabled === false ) { + + // Option elements defer to a parent optgroup if present + if ( "label" in elem ) { + if ( "label" in elem.parentNode ) { + return elem.parentNode.disabled === disabled; + } else { + return elem.disabled === disabled; + } + } + + // Support: IE 6 - 11 + // Use the isDisabled shortcut property to check for disabled fieldset ancestors + return elem.isDisabled === disabled || + + // Where there is no isDisabled, check manually + /* jshint -W018 */ + elem.isDisabled !== !disabled && + inDisabledFieldset( elem ) === disabled; + } + + return elem.disabled === disabled; + + // Try to winnow out elements that can't be disabled before trusting the disabled property. + // Some victims get caught in our net (label, legend, menu, track), but it shouldn't + // even exist on them, let alone have a boolean value. + } else if ( "label" in elem ) { + return elem.disabled === disabled; + } + + // Remaining elements are neither :enabled nor :disabled + return false; + }; +} + +/** + * Returns a function to use in pseudos for positionals + * @param {Function} fn + */ +function createPositionalPseudo( fn ) { + return markFunction( function( argument ) { + argument = +argument; + return markFunction( function( seed, matches ) { + var j, + matchIndexes = fn( [], seed.length, argument ), + i = matchIndexes.length; + + // Match elements found at the specified indexes + while ( i-- ) { + if ( seed[ ( j = matchIndexes[ i ] ) ] ) { + seed[ j ] = !( matches[ j ] = seed[ j ] ); + } + } + } ); + } ); +} + +/** + * Checks a node for validity as a Sizzle context + * @param {Element|Object=} context + * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value + */ +function testContext( context ) { + return context && typeof context.getElementsByTagName !== "undefined" && context; +} + +// Expose support vars for convenience +support = Sizzle.support = {}; + +/** + * Detects XML nodes + * @param {Element|Object} elem An element or a document + * @returns {Boolean} True iff elem is a non-HTML XML node + */ +isXML = Sizzle.isXML = function( elem ) { + var namespace = elem && elem.namespaceURI, + docElem = elem && ( elem.ownerDocument || elem ).documentElement; + + // Support: IE <=8 + // Assume HTML when documentElement doesn't yet exist, such as inside loading iframes + // https://bugs.jquery.com/ticket/4833 + return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" ); +}; + +/** + * Sets document-related variables once based on the current document + * @param {Element|Object} [doc] An element or document object to use to set the document + * @returns {Object} Returns the current document + */ +setDocument = Sizzle.setDocument = function( node ) { + var hasCompare, subWindow, + doc = node ? node.ownerDocument || node : preferredDoc; + + // Return early if doc is invalid or already selected + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( doc == document || doc.nodeType !== 9 || !doc.documentElement ) { + return document; + } + + // Update global variables + document = doc; + docElem = document.documentElement; + documentIsHTML = !isXML( document ); + + // Support: IE 9 - 11+, Edge 12 - 18+ + // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936) + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( preferredDoc != document && + ( subWindow = document.defaultView ) && subWindow.top !== subWindow ) { + + // Support: IE 11, Edge + if ( subWindow.addEventListener ) { + subWindow.addEventListener( "unload", unloadHandler, false ); + + // Support: IE 9 - 10 only + } else if ( subWindow.attachEvent ) { + subWindow.attachEvent( "onunload", unloadHandler ); + } + } + + // Support: IE 8 - 11+, Edge 12 - 18+, Chrome <=16 - 25 only, Firefox <=3.6 - 31 only, + // Safari 4 - 5 only, Opera <=11.6 - 12.x only + // IE/Edge & older browsers don't support the :scope pseudo-class. + // Support: Safari 6.0 only + // Safari 6.0 supports :scope but it's an alias of :root there. + support.scope = assert( function( el ) { + docElem.appendChild( el ).appendChild( document.createElement( "div" ) ); + return typeof el.querySelectorAll !== "undefined" && + !el.querySelectorAll( ":scope fieldset div" ).length; + } ); + + /* Attributes + ---------------------------------------------------------------------- */ + + // Support: IE<8 + // Verify that getAttribute really returns attributes and not properties + // (excepting IE8 booleans) + support.attributes = assert( function( el ) { + el.className = "i"; + return !el.getAttribute( "className" ); + } ); + + /* getElement(s)By* + ---------------------------------------------------------------------- */ + + // Check if getElementsByTagName("*") returns only elements + support.getElementsByTagName = assert( function( el ) { + el.appendChild( document.createComment( "" ) ); + return !el.getElementsByTagName( "*" ).length; + } ); + + // Support: IE<9 + support.getElementsByClassName = rnative.test( document.getElementsByClassName ); + + // Support: IE<10 + // Check if getElementById returns elements by name + // The broken getElementById methods don't pick up programmatically-set names, + // so use a roundabout getElementsByName test + support.getById = assert( function( el ) { + docElem.appendChild( el ).id = expando; + return !document.getElementsByName || !document.getElementsByName( expando ).length; + } ); + + // ID filter and find + if ( support.getById ) { + Expr.filter[ "ID" ] = function( id ) { + var attrId = id.replace( runescape, funescape ); + return function( elem ) { + return elem.getAttribute( "id" ) === attrId; + }; + }; + Expr.find[ "ID" ] = function( id, context ) { + if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { + var elem = context.getElementById( id ); + return elem ? [ elem ] : []; + } + }; + } else { + Expr.filter[ "ID" ] = function( id ) { + var attrId = id.replace( runescape, funescape ); + return function( elem ) { + var node = typeof elem.getAttributeNode !== "undefined" && + elem.getAttributeNode( "id" ); + return node && node.value === attrId; + }; + }; + + // Support: IE 6 - 7 only + // getElementById is not reliable as a find shortcut + Expr.find[ "ID" ] = function( id, context ) { + if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { + var node, i, elems, + elem = context.getElementById( id ); + + if ( elem ) { + + // Verify the id attribute + node = elem.getAttributeNode( "id" ); + if ( node && node.value === id ) { + return [ elem ]; + } + + // Fall back on getElementsByName + elems = context.getElementsByName( id ); + i = 0; + while ( ( elem = elems[ i++ ] ) ) { + node = elem.getAttributeNode( "id" ); + if ( node && node.value === id ) { + return [ elem ]; + } + } + } + + return []; + } + }; + } + + // Tag + Expr.find[ "TAG" ] = support.getElementsByTagName ? + function( tag, context ) { + if ( typeof context.getElementsByTagName !== "undefined" ) { + return context.getElementsByTagName( tag ); + + // DocumentFragment nodes don't have gEBTN + } else if ( support.qsa ) { + return context.querySelectorAll( tag ); + } + } : + + function( tag, context ) { + var elem, + tmp = [], + i = 0, + + // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too + results = context.getElementsByTagName( tag ); + + // Filter out possible comments + if ( tag === "*" ) { + while ( ( elem = results[ i++ ] ) ) { + if ( elem.nodeType === 1 ) { + tmp.push( elem ); + } + } + + return tmp; + } + return results; + }; + + // Class + Expr.find[ "CLASS" ] = support.getElementsByClassName && function( className, context ) { + if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) { + return context.getElementsByClassName( className ); + } + }; + + /* QSA/matchesSelector + ---------------------------------------------------------------------- */ + + // QSA and matchesSelector support + + // matchesSelector(:active) reports false when true (IE9/Opera 11.5) + rbuggyMatches = []; + + // qSa(:focus) reports false when true (Chrome 21) + // We allow this because of a bug in IE8/9 that throws an error + // whenever `document.activeElement` is accessed on an iframe + // So, we allow :focus to pass through QSA all the time to avoid the IE error + // See https://bugs.jquery.com/ticket/13378 + rbuggyQSA = []; + + if ( ( support.qsa = rnative.test( document.querySelectorAll ) ) ) { + + // Build QSA regex + // Regex strategy adopted from Diego Perini + assert( function( el ) { + + var input; + + // Select is set to empty string on purpose + // This is to test IE's treatment of not explicitly + // setting a boolean content attribute, + // since its presence should be enough + // https://bugs.jquery.com/ticket/12359 + docElem.appendChild( el ).innerHTML = "" + + ""; + + // Support: IE8, Opera 11-12.16 + // Nothing should be selected when empty strings follow ^= or $= or *= + // The test attribute must be unknown in Opera but "safe" for WinRT + // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section + if ( el.querySelectorAll( "[msallowcapture^='']" ).length ) { + rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); + } + + // Support: IE8 + // Boolean attributes and "value" are not treated correctly + if ( !el.querySelectorAll( "[selected]" ).length ) { + rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); + } + + // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+ + if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) { + rbuggyQSA.push( "~=" ); + } + + // Support: IE 11+, Edge 15 - 18+ + // IE 11/Edge don't find elements on a `[name='']` query in some cases. + // Adding a temporary attribute to the document before the selection works + // around the issue. + // Interestingly, IE 10 & older don't seem to have the issue. + input = document.createElement( "input" ); + input.setAttribute( "name", "" ); + el.appendChild( input ); + if ( !el.querySelectorAll( "[name='']" ).length ) { + rbuggyQSA.push( "\\[" + whitespace + "*name" + whitespace + "*=" + + whitespace + "*(?:''|\"\")" ); + } + + // Webkit/Opera - :checked should return selected option elements + // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked + // IE8 throws error here and will not see later tests + if ( !el.querySelectorAll( ":checked" ).length ) { + rbuggyQSA.push( ":checked" ); + } + + // Support: Safari 8+, iOS 8+ + // https://bugs.webkit.org/show_bug.cgi?id=136851 + // In-page `selector#id sibling-combinator selector` fails + if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) { + rbuggyQSA.push( ".#.+[+~]" ); + } + + // Support: Firefox <=3.6 - 5 only + // Old Firefox doesn't throw on a badly-escaped identifier. + el.querySelectorAll( "\\\f" ); + rbuggyQSA.push( "[\\r\\n\\f]" ); + } ); + + assert( function( el ) { + el.innerHTML = "" + + ""; + + // Support: Windows 8 Native Apps + // The type and name attributes are restricted during .innerHTML assignment + var input = document.createElement( "input" ); + input.setAttribute( "type", "hidden" ); + el.appendChild( input ).setAttribute( "name", "D" ); + + // Support: IE8 + // Enforce case-sensitivity of name attribute + if ( el.querySelectorAll( "[name=d]" ).length ) { + rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); + } + + // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) + // IE8 throws error here and will not see later tests + if ( el.querySelectorAll( ":enabled" ).length !== 2 ) { + rbuggyQSA.push( ":enabled", ":disabled" ); + } + + // Support: IE9-11+ + // IE's :disabled selector does not pick up the children of disabled fieldsets + docElem.appendChild( el ).disabled = true; + if ( el.querySelectorAll( ":disabled" ).length !== 2 ) { + rbuggyQSA.push( ":enabled", ":disabled" ); + } + + // Support: Opera 10 - 11 only + // Opera 10-11 does not throw on post-comma invalid pseudos + el.querySelectorAll( "*,:x" ); + rbuggyQSA.push( ",.*:" ); + } ); + } + + if ( ( support.matchesSelector = rnative.test( ( matches = docElem.matches || + docElem.webkitMatchesSelector || + docElem.mozMatchesSelector || + docElem.oMatchesSelector || + docElem.msMatchesSelector ) ) ) ) { + + assert( function( el ) { + + // Check to see if it's possible to do matchesSelector + // on a disconnected node (IE 9) + support.disconnectedMatch = matches.call( el, "*" ); + + // This should fail with an exception + // Gecko does not error, returns false instead + matches.call( el, "[s!='']:x" ); + rbuggyMatches.push( "!=", pseudos ); + } ); + } + + rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join( "|" ) ); + rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join( "|" ) ); + + /* Contains + ---------------------------------------------------------------------- */ + hasCompare = rnative.test( docElem.compareDocumentPosition ); + + // Element contains another + // Purposefully self-exclusive + // As in, an element does not contain itself + contains = hasCompare || rnative.test( docElem.contains ) ? + function( a, b ) { + var adown = a.nodeType === 9 ? a.documentElement : a, + bup = b && b.parentNode; + return a === bup || !!( bup && bup.nodeType === 1 && ( + adown.contains ? + adown.contains( bup ) : + a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 + ) ); + } : + function( a, b ) { + if ( b ) { + while ( ( b = b.parentNode ) ) { + if ( b === a ) { + return true; + } + } + } + return false; + }; + + /* Sorting + ---------------------------------------------------------------------- */ + + // Document order sorting + sortOrder = hasCompare ? + function( a, b ) { + + // Flag for duplicate removal + if ( a === b ) { + hasDuplicate = true; + return 0; + } + + // Sort on method existence if only one input has compareDocumentPosition + var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; + if ( compare ) { + return compare; + } + + // Calculate position if both inputs belong to the same document + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + compare = ( a.ownerDocument || a ) == ( b.ownerDocument || b ) ? + a.compareDocumentPosition( b ) : + + // Otherwise we know they are disconnected + 1; + + // Disconnected nodes + if ( compare & 1 || + ( !support.sortDetached && b.compareDocumentPosition( a ) === compare ) ) { + + // Choose the first element that is related to our preferred document + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( a == document || a.ownerDocument == preferredDoc && + contains( preferredDoc, a ) ) { + return -1; + } + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( b == document || b.ownerDocument == preferredDoc && + contains( preferredDoc, b ) ) { + return 1; + } + + // Maintain original order + return sortInput ? + ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : + 0; + } + + return compare & 4 ? -1 : 1; + } : + function( a, b ) { + + // Exit early if the nodes are identical + if ( a === b ) { + hasDuplicate = true; + return 0; + } + + var cur, + i = 0, + aup = a.parentNode, + bup = b.parentNode, + ap = [ a ], + bp = [ b ]; + + // Parentless nodes are either documents or disconnected + if ( !aup || !bup ) { + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + /* eslint-disable eqeqeq */ + return a == document ? -1 : + b == document ? 1 : + /* eslint-enable eqeqeq */ + aup ? -1 : + bup ? 1 : + sortInput ? + ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : + 0; + + // If the nodes are siblings, we can do a quick check + } else if ( aup === bup ) { + return siblingCheck( a, b ); + } + + // Otherwise we need full lists of their ancestors for comparison + cur = a; + while ( ( cur = cur.parentNode ) ) { + ap.unshift( cur ); + } + cur = b; + while ( ( cur = cur.parentNode ) ) { + bp.unshift( cur ); + } + + // Walk down the tree looking for a discrepancy + while ( ap[ i ] === bp[ i ] ) { + i++; + } + + return i ? + + // Do a sibling check if the nodes have a common ancestor + siblingCheck( ap[ i ], bp[ i ] ) : + + // Otherwise nodes in our document sort first + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + /* eslint-disable eqeqeq */ + ap[ i ] == preferredDoc ? -1 : + bp[ i ] == preferredDoc ? 1 : + /* eslint-enable eqeqeq */ + 0; + }; + + return document; +}; + +Sizzle.matches = function( expr, elements ) { + return Sizzle( expr, null, null, elements ); +}; + +Sizzle.matchesSelector = function( elem, expr ) { + setDocument( elem ); + + if ( support.matchesSelector && documentIsHTML && + !nonnativeSelectorCache[ expr + " " ] && + ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && + ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) { + + try { + var ret = matches.call( elem, expr ); + + // IE 9's matchesSelector returns false on disconnected nodes + if ( ret || support.disconnectedMatch || + + // As well, disconnected nodes are said to be in a document + // fragment in IE 9 + elem.document && elem.document.nodeType !== 11 ) { + return ret; + } + } catch ( e ) { + nonnativeSelectorCache( expr, true ); + } + } + + return Sizzle( expr, document, null, [ elem ] ).length > 0; +}; + +Sizzle.contains = function( context, elem ) { + + // Set document vars if needed + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( ( context.ownerDocument || context ) != document ) { + setDocument( context ); + } + return contains( context, elem ); +}; + +Sizzle.attr = function( elem, name ) { + + // Set document vars if needed + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( ( elem.ownerDocument || elem ) != document ) { + setDocument( elem ); + } + + var fn = Expr.attrHandle[ name.toLowerCase() ], + + // Don't get fooled by Object.prototype properties (jQuery #13807) + val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? + fn( elem, name, !documentIsHTML ) : + undefined; + + return val !== undefined ? + val : + support.attributes || !documentIsHTML ? + elem.getAttribute( name ) : + ( val = elem.getAttributeNode( name ) ) && val.specified ? + val.value : + null; +}; + +Sizzle.escape = function( sel ) { + return ( sel + "" ).replace( rcssescape, fcssescape ); +}; + +Sizzle.error = function( msg ) { + throw new Error( "Syntax error, unrecognized expression: " + msg ); +}; + +/** + * Document sorting and removing duplicates + * @param {ArrayLike} results + */ +Sizzle.uniqueSort = function( results ) { + var elem, + duplicates = [], + j = 0, + i = 0; + + // Unless we *know* we can detect duplicates, assume their presence + hasDuplicate = !support.detectDuplicates; + sortInput = !support.sortStable && results.slice( 0 ); + results.sort( sortOrder ); + + if ( hasDuplicate ) { + while ( ( elem = results[ i++ ] ) ) { + if ( elem === results[ i ] ) { + j = duplicates.push( i ); + } + } + while ( j-- ) { + results.splice( duplicates[ j ], 1 ); + } + } + + // Clear input after sorting to release objects + // See https://github.com/jquery/sizzle/pull/225 + sortInput = null; + + return results; +}; + +/** + * Utility function for retrieving the text value of an array of DOM nodes + * @param {Array|Element} elem + */ +getText = Sizzle.getText = function( elem ) { + var node, + ret = "", + i = 0, + nodeType = elem.nodeType; + + if ( !nodeType ) { + + // If no nodeType, this is expected to be an array + while ( ( node = elem[ i++ ] ) ) { + + // Do not traverse comment nodes + ret += getText( node ); + } + } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { + + // Use textContent for elements + // innerText usage removed for consistency of new lines (jQuery #11153) + if ( typeof elem.textContent === "string" ) { + return elem.textContent; + } else { + + // Traverse its children + for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { + ret += getText( elem ); + } + } + } else if ( nodeType === 3 || nodeType === 4 ) { + return elem.nodeValue; + } + + // Do not include comment or processing instruction nodes + + return ret; +}; + +Expr = Sizzle.selectors = { + + // Can be adjusted by the user + cacheLength: 50, + + createPseudo: markFunction, + + match: matchExpr, + + attrHandle: {}, + + find: {}, + + relative: { + ">": { dir: "parentNode", first: true }, + " ": { dir: "parentNode" }, + "+": { dir: "previousSibling", first: true }, + "~": { dir: "previousSibling" } + }, + + preFilter: { + "ATTR": function( match ) { + match[ 1 ] = match[ 1 ].replace( runescape, funescape ); + + // Move the given value to match[3] whether quoted or unquoted + match[ 3 ] = ( match[ 3 ] || match[ 4 ] || + match[ 5 ] || "" ).replace( runescape, funescape ); + + if ( match[ 2 ] === "~=" ) { + match[ 3 ] = " " + match[ 3 ] + " "; + } + + return match.slice( 0, 4 ); + }, + + "CHILD": function( match ) { + + /* matches from matchExpr["CHILD"] + 1 type (only|nth|...) + 2 what (child|of-type) + 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) + 4 xn-component of xn+y argument ([+-]?\d*n|) + 5 sign of xn-component + 6 x of xn-component + 7 sign of y-component + 8 y of y-component + */ + match[ 1 ] = match[ 1 ].toLowerCase(); + + if ( match[ 1 ].slice( 0, 3 ) === "nth" ) { + + // nth-* requires argument + if ( !match[ 3 ] ) { + Sizzle.error( match[ 0 ] ); + } + + // numeric x and y parameters for Expr.filter.CHILD + // remember that false/true cast respectively to 0/1 + match[ 4 ] = +( match[ 4 ] ? + match[ 5 ] + ( match[ 6 ] || 1 ) : + 2 * ( match[ 3 ] === "even" || match[ 3 ] === "odd" ) ); + match[ 5 ] = +( ( match[ 7 ] + match[ 8 ] ) || match[ 3 ] === "odd" ); + + // other types prohibit arguments + } else if ( match[ 3 ] ) { + Sizzle.error( match[ 0 ] ); + } + + return match; + }, + + "PSEUDO": function( match ) { + var excess, + unquoted = !match[ 6 ] && match[ 2 ]; + + if ( matchExpr[ "CHILD" ].test( match[ 0 ] ) ) { + return null; + } + + // Accept quoted arguments as-is + if ( match[ 3 ] ) { + match[ 2 ] = match[ 4 ] || match[ 5 ] || ""; + + // Strip excess characters from unquoted arguments + } else if ( unquoted && rpseudo.test( unquoted ) && + + // Get excess from tokenize (recursively) + ( excess = tokenize( unquoted, true ) ) && + + // advance to the next closing parenthesis + ( excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length ) ) { + + // excess is a negative index + match[ 0 ] = match[ 0 ].slice( 0, excess ); + match[ 2 ] = unquoted.slice( 0, excess ); + } + + // Return only captures needed by the pseudo filter method (type and argument) + return match.slice( 0, 3 ); + } + }, + + filter: { + + "TAG": function( nodeNameSelector ) { + var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); + return nodeNameSelector === "*" ? + function() { + return true; + } : + function( elem ) { + return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; + }; + }, + + "CLASS": function( className ) { + var pattern = classCache[ className + " " ]; + + return pattern || + ( pattern = new RegExp( "(^|" + whitespace + + ")" + className + "(" + whitespace + "|$)" ) ) && classCache( + className, function( elem ) { + return pattern.test( + typeof elem.className === "string" && elem.className || + typeof elem.getAttribute !== "undefined" && + elem.getAttribute( "class" ) || + "" + ); + } ); + }, + + "ATTR": function( name, operator, check ) { + return function( elem ) { + var result = Sizzle.attr( elem, name ); + + if ( result == null ) { + return operator === "!="; + } + if ( !operator ) { + return true; + } + + result += ""; + + /* eslint-disable max-len */ + + return operator === "=" ? result === check : + operator === "!=" ? result !== check : + operator === "^=" ? check && result.indexOf( check ) === 0 : + operator === "*=" ? check && result.indexOf( check ) > -1 : + operator === "$=" ? check && result.slice( -check.length ) === check : + operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 : + operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : + false; + /* eslint-enable max-len */ + + }; + }, + + "CHILD": function( type, what, _argument, first, last ) { + var simple = type.slice( 0, 3 ) !== "nth", + forward = type.slice( -4 ) !== "last", + ofType = what === "of-type"; + + return first === 1 && last === 0 ? + + // Shortcut for :nth-*(n) + function( elem ) { + return !!elem.parentNode; + } : + + function( elem, _context, xml ) { + var cache, uniqueCache, outerCache, node, nodeIndex, start, + dir = simple !== forward ? "nextSibling" : "previousSibling", + parent = elem.parentNode, + name = ofType && elem.nodeName.toLowerCase(), + useCache = !xml && !ofType, + diff = false; + + if ( parent ) { + + // :(first|last|only)-(child|of-type) + if ( simple ) { + while ( dir ) { + node = elem; + while ( ( node = node[ dir ] ) ) { + if ( ofType ? + node.nodeName.toLowerCase() === name : + node.nodeType === 1 ) { + + return false; + } + } + + // Reverse direction for :only-* (if we haven't yet done so) + start = dir = type === "only" && !start && "nextSibling"; + } + return true; + } + + start = [ forward ? parent.firstChild : parent.lastChild ]; + + // non-xml :nth-child(...) stores cache data on `parent` + if ( forward && useCache ) { + + // Seek `elem` from a previously-cached index + + // ...in a gzip-friendly way + node = parent; + outerCache = node[ expando ] || ( node[ expando ] = {} ); + + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[ node.uniqueID ] || + ( outerCache[ node.uniqueID ] = {} ); + + cache = uniqueCache[ type ] || []; + nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; + diff = nodeIndex && cache[ 2 ]; + node = nodeIndex && parent.childNodes[ nodeIndex ]; + + while ( ( node = ++nodeIndex && node && node[ dir ] || + + // Fallback to seeking `elem` from the start + ( diff = nodeIndex = 0 ) || start.pop() ) ) { + + // When found, cache indexes on `parent` and break + if ( node.nodeType === 1 && ++diff && node === elem ) { + uniqueCache[ type ] = [ dirruns, nodeIndex, diff ]; + break; + } + } + + } else { + + // Use previously-cached element index if available + if ( useCache ) { + + // ...in a gzip-friendly way + node = elem; + outerCache = node[ expando ] || ( node[ expando ] = {} ); + + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[ node.uniqueID ] || + ( outerCache[ node.uniqueID ] = {} ); + + cache = uniqueCache[ type ] || []; + nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; + diff = nodeIndex; + } + + // xml :nth-child(...) + // or :nth-last-child(...) or :nth(-last)?-of-type(...) + if ( diff === false ) { + + // Use the same loop as above to seek `elem` from the start + while ( ( node = ++nodeIndex && node && node[ dir ] || + ( diff = nodeIndex = 0 ) || start.pop() ) ) { + + if ( ( ofType ? + node.nodeName.toLowerCase() === name : + node.nodeType === 1 ) && + ++diff ) { + + // Cache the index of each encountered element + if ( useCache ) { + outerCache = node[ expando ] || + ( node[ expando ] = {} ); + + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[ node.uniqueID ] || + ( outerCache[ node.uniqueID ] = {} ); + + uniqueCache[ type ] = [ dirruns, diff ]; + } + + if ( node === elem ) { + break; + } + } + } + } + } + + // Incorporate the offset, then check against cycle size + diff -= last; + return diff === first || ( diff % first === 0 && diff / first >= 0 ); + } + }; + }, + + "PSEUDO": function( pseudo, argument ) { + + // pseudo-class names are case-insensitive + // http://www.w3.org/TR/selectors/#pseudo-classes + // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters + // Remember that setFilters inherits from pseudos + var args, + fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || + Sizzle.error( "unsupported pseudo: " + pseudo ); + + // The user may use createPseudo to indicate that + // arguments are needed to create the filter function + // just as Sizzle does + if ( fn[ expando ] ) { + return fn( argument ); + } + + // But maintain support for old signatures + if ( fn.length > 1 ) { + args = [ pseudo, pseudo, "", argument ]; + return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? + markFunction( function( seed, matches ) { + var idx, + matched = fn( seed, argument ), + i = matched.length; + while ( i-- ) { + idx = indexOf( seed, matched[ i ] ); + seed[ idx ] = !( matches[ idx ] = matched[ i ] ); + } + } ) : + function( elem ) { + return fn( elem, 0, args ); + }; + } + + return fn; + } + }, + + pseudos: { + + // Potentially complex pseudos + "not": markFunction( function( selector ) { + + // Trim the selector passed to compile + // to avoid treating leading and trailing + // spaces as combinators + var input = [], + results = [], + matcher = compile( selector.replace( rtrim, "$1" ) ); + + return matcher[ expando ] ? + markFunction( function( seed, matches, _context, xml ) { + var elem, + unmatched = matcher( seed, null, xml, [] ), + i = seed.length; + + // Match elements unmatched by `matcher` + while ( i-- ) { + if ( ( elem = unmatched[ i ] ) ) { + seed[ i ] = !( matches[ i ] = elem ); + } + } + } ) : + function( elem, _context, xml ) { + input[ 0 ] = elem; + matcher( input, null, xml, results ); + + // Don't keep the element (issue #299) + input[ 0 ] = null; + return !results.pop(); + }; + } ), + + "has": markFunction( function( selector ) { + return function( elem ) { + return Sizzle( selector, elem ).length > 0; + }; + } ), + + "contains": markFunction( function( text ) { + text = text.replace( runescape, funescape ); + return function( elem ) { + return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1; + }; + } ), + + // "Whether an element is represented by a :lang() selector + // is based solely on the element's language value + // being equal to the identifier C, + // or beginning with the identifier C immediately followed by "-". + // The matching of C against the element's language value is performed case-insensitively. + // The identifier C does not have to be a valid language name." + // http://www.w3.org/TR/selectors/#lang-pseudo + "lang": markFunction( function( lang ) { + + // lang value must be a valid identifier + if ( !ridentifier.test( lang || "" ) ) { + Sizzle.error( "unsupported lang: " + lang ); + } + lang = lang.replace( runescape, funescape ).toLowerCase(); + return function( elem ) { + var elemLang; + do { + if ( ( elemLang = documentIsHTML ? + elem.lang : + elem.getAttribute( "xml:lang" ) || elem.getAttribute( "lang" ) ) ) { + + elemLang = elemLang.toLowerCase(); + return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; + } + } while ( ( elem = elem.parentNode ) && elem.nodeType === 1 ); + return false; + }; + } ), + + // Miscellaneous + "target": function( elem ) { + var hash = window.location && window.location.hash; + return hash && hash.slice( 1 ) === elem.id; + }, + + "root": function( elem ) { + return elem === docElem; + }, + + "focus": function( elem ) { + return elem === document.activeElement && + ( !document.hasFocus || document.hasFocus() ) && + !!( elem.type || elem.href || ~elem.tabIndex ); + }, + + // Boolean properties + "enabled": createDisabledPseudo( false ), + "disabled": createDisabledPseudo( true ), + + "checked": function( elem ) { + + // In CSS3, :checked should return both checked and selected elements + // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked + var nodeName = elem.nodeName.toLowerCase(); + return ( nodeName === "input" && !!elem.checked ) || + ( nodeName === "option" && !!elem.selected ); + }, + + "selected": function( elem ) { + + // Accessing this property makes selected-by-default + // options in Safari work properly + if ( elem.parentNode ) { + // eslint-disable-next-line no-unused-expressions + elem.parentNode.selectedIndex; + } + + return elem.selected === true; + }, + + // Contents + "empty": function( elem ) { + + // http://www.w3.org/TR/selectors/#empty-pseudo + // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), + // but not by others (comment: 8; processing instruction: 7; etc.) + // nodeType < 6 works because attributes (2) do not appear as children + for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { + if ( elem.nodeType < 6 ) { + return false; + } + } + return true; + }, + + "parent": function( elem ) { + return !Expr.pseudos[ "empty" ]( elem ); + }, + + // Element/input types + "header": function( elem ) { + return rheader.test( elem.nodeName ); + }, + + "input": function( elem ) { + return rinputs.test( elem.nodeName ); + }, + + "button": function( elem ) { + var name = elem.nodeName.toLowerCase(); + return name === "input" && elem.type === "button" || name === "button"; + }, + + "text": function( elem ) { + var attr; + return elem.nodeName.toLowerCase() === "input" && + elem.type === "text" && + + // Support: IE<8 + // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" + ( ( attr = elem.getAttribute( "type" ) ) == null || + attr.toLowerCase() === "text" ); + }, + + // Position-in-collection + "first": createPositionalPseudo( function() { + return [ 0 ]; + } ), + + "last": createPositionalPseudo( function( _matchIndexes, length ) { + return [ length - 1 ]; + } ), + + "eq": createPositionalPseudo( function( _matchIndexes, length, argument ) { + return [ argument < 0 ? argument + length : argument ]; + } ), + + "even": createPositionalPseudo( function( matchIndexes, length ) { + var i = 0; + for ( ; i < length; i += 2 ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ), + + "odd": createPositionalPseudo( function( matchIndexes, length ) { + var i = 1; + for ( ; i < length; i += 2 ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ), + + "lt": createPositionalPseudo( function( matchIndexes, length, argument ) { + var i = argument < 0 ? + argument + length : + argument > length ? + length : + argument; + for ( ; --i >= 0; ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ), + + "gt": createPositionalPseudo( function( matchIndexes, length, argument ) { + var i = argument < 0 ? argument + length : argument; + for ( ; ++i < length; ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ) + } +}; + +Expr.pseudos[ "nth" ] = Expr.pseudos[ "eq" ]; + +// Add button/input type pseudos +for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { + Expr.pseudos[ i ] = createInputPseudo( i ); +} +for ( i in { submit: true, reset: true } ) { + Expr.pseudos[ i ] = createButtonPseudo( i ); +} + +// Easy API for creating new setFilters +function setFilters() {} +setFilters.prototype = Expr.filters = Expr.pseudos; +Expr.setFilters = new setFilters(); + +tokenize = Sizzle.tokenize = function( selector, parseOnly ) { + var matched, match, tokens, type, + soFar, groups, preFilters, + cached = tokenCache[ selector + " " ]; + + if ( cached ) { + return parseOnly ? 0 : cached.slice( 0 ); + } + + soFar = selector; + groups = []; + preFilters = Expr.preFilter; + + while ( soFar ) { + + // Comma and first run + if ( !matched || ( match = rcomma.exec( soFar ) ) ) { + if ( match ) { + + // Don't consume trailing commas as valid + soFar = soFar.slice( match[ 0 ].length ) || soFar; + } + groups.push( ( tokens = [] ) ); + } + + matched = false; + + // Combinators + if ( ( match = rcombinators.exec( soFar ) ) ) { + matched = match.shift(); + tokens.push( { + value: matched, + + // Cast descendant combinators to space + type: match[ 0 ].replace( rtrim, " " ) + } ); + soFar = soFar.slice( matched.length ); + } + + // Filters + for ( type in Expr.filter ) { + if ( ( match = matchExpr[ type ].exec( soFar ) ) && ( !preFilters[ type ] || + ( match = preFilters[ type ]( match ) ) ) ) { + matched = match.shift(); + tokens.push( { + value: matched, + type: type, + matches: match + } ); + soFar = soFar.slice( matched.length ); + } + } + + if ( !matched ) { + break; + } + } + + // Return the length of the invalid excess + // if we're just parsing + // Otherwise, throw an error or return tokens + return parseOnly ? + soFar.length : + soFar ? + Sizzle.error( selector ) : + + // Cache the tokens + tokenCache( selector, groups ).slice( 0 ); +}; + +function toSelector( tokens ) { + var i = 0, + len = tokens.length, + selector = ""; + for ( ; i < len; i++ ) { + selector += tokens[ i ].value; + } + return selector; +} + +function addCombinator( matcher, combinator, base ) { + var dir = combinator.dir, + skip = combinator.next, + key = skip || dir, + checkNonElements = base && key === "parentNode", + doneName = done++; + + return combinator.first ? + + // Check against closest ancestor/preceding element + function( elem, context, xml ) { + while ( ( elem = elem[ dir ] ) ) { + if ( elem.nodeType === 1 || checkNonElements ) { + return matcher( elem, context, xml ); + } + } + return false; + } : + + // Check against all ancestor/preceding elements + function( elem, context, xml ) { + var oldCache, uniqueCache, outerCache, + newCache = [ dirruns, doneName ]; + + // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching + if ( xml ) { + while ( ( elem = elem[ dir ] ) ) { + if ( elem.nodeType === 1 || checkNonElements ) { + if ( matcher( elem, context, xml ) ) { + return true; + } + } + } + } else { + while ( ( elem = elem[ dir ] ) ) { + if ( elem.nodeType === 1 || checkNonElements ) { + outerCache = elem[ expando ] || ( elem[ expando ] = {} ); + + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[ elem.uniqueID ] || + ( outerCache[ elem.uniqueID ] = {} ); + + if ( skip && skip === elem.nodeName.toLowerCase() ) { + elem = elem[ dir ] || elem; + } else if ( ( oldCache = uniqueCache[ key ] ) && + oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) { + + // Assign to newCache so results back-propagate to previous elements + return ( newCache[ 2 ] = oldCache[ 2 ] ); + } else { + + // Reuse newcache so results back-propagate to previous elements + uniqueCache[ key ] = newCache; + + // A match means we're done; a fail means we have to keep checking + if ( ( newCache[ 2 ] = matcher( elem, context, xml ) ) ) { + return true; + } + } + } + } + } + return false; + }; +} + +function elementMatcher( matchers ) { + return matchers.length > 1 ? + function( elem, context, xml ) { + var i = matchers.length; + while ( i-- ) { + if ( !matchers[ i ]( elem, context, xml ) ) { + return false; + } + } + return true; + } : + matchers[ 0 ]; +} + +function multipleContexts( selector, contexts, results ) { + var i = 0, + len = contexts.length; + for ( ; i < len; i++ ) { + Sizzle( selector, contexts[ i ], results ); + } + return results; +} + +function condense( unmatched, map, filter, context, xml ) { + var elem, + newUnmatched = [], + i = 0, + len = unmatched.length, + mapped = map != null; + + for ( ; i < len; i++ ) { + if ( ( elem = unmatched[ i ] ) ) { + if ( !filter || filter( elem, context, xml ) ) { + newUnmatched.push( elem ); + if ( mapped ) { + map.push( i ); + } + } + } + } + + return newUnmatched; +} + +function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { + if ( postFilter && !postFilter[ expando ] ) { + postFilter = setMatcher( postFilter ); + } + if ( postFinder && !postFinder[ expando ] ) { + postFinder = setMatcher( postFinder, postSelector ); + } + return markFunction( function( seed, results, context, xml ) { + var temp, i, elem, + preMap = [], + postMap = [], + preexisting = results.length, + + // Get initial elements from seed or context + elems = seed || multipleContexts( + selector || "*", + context.nodeType ? [ context ] : context, + [] + ), + + // Prefilter to get matcher input, preserving a map for seed-results synchronization + matcherIn = preFilter && ( seed || !selector ) ? + condense( elems, preMap, preFilter, context, xml ) : + elems, + + matcherOut = matcher ? + + // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, + postFinder || ( seed ? preFilter : preexisting || postFilter ) ? + + // ...intermediate processing is necessary + [] : + + // ...otherwise use results directly + results : + matcherIn; + + // Find primary matches + if ( matcher ) { + matcher( matcherIn, matcherOut, context, xml ); + } + + // Apply postFilter + if ( postFilter ) { + temp = condense( matcherOut, postMap ); + postFilter( temp, [], context, xml ); + + // Un-match failing elements by moving them back to matcherIn + i = temp.length; + while ( i-- ) { + if ( ( elem = temp[ i ] ) ) { + matcherOut[ postMap[ i ] ] = !( matcherIn[ postMap[ i ] ] = elem ); + } + } + } + + if ( seed ) { + if ( postFinder || preFilter ) { + if ( postFinder ) { + + // Get the final matcherOut by condensing this intermediate into postFinder contexts + temp = []; + i = matcherOut.length; + while ( i-- ) { + if ( ( elem = matcherOut[ i ] ) ) { + + // Restore matcherIn since elem is not yet a final match + temp.push( ( matcherIn[ i ] = elem ) ); + } + } + postFinder( null, ( matcherOut = [] ), temp, xml ); + } + + // Move matched elements from seed to results to keep them synchronized + i = matcherOut.length; + while ( i-- ) { + if ( ( elem = matcherOut[ i ] ) && + ( temp = postFinder ? indexOf( seed, elem ) : preMap[ i ] ) > -1 ) { + + seed[ temp ] = !( results[ temp ] = elem ); + } + } + } + + // Add elements to results, through postFinder if defined + } else { + matcherOut = condense( + matcherOut === results ? + matcherOut.splice( preexisting, matcherOut.length ) : + matcherOut + ); + if ( postFinder ) { + postFinder( null, results, matcherOut, xml ); + } else { + push.apply( results, matcherOut ); + } + } + } ); +} + +function matcherFromTokens( tokens ) { + var checkContext, matcher, j, + len = tokens.length, + leadingRelative = Expr.relative[ tokens[ 0 ].type ], + implicitRelative = leadingRelative || Expr.relative[ " " ], + i = leadingRelative ? 1 : 0, + + // The foundational matcher ensures that elements are reachable from top-level context(s) + matchContext = addCombinator( function( elem ) { + return elem === checkContext; + }, implicitRelative, true ), + matchAnyContext = addCombinator( function( elem ) { + return indexOf( checkContext, elem ) > -1; + }, implicitRelative, true ), + matchers = [ function( elem, context, xml ) { + var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( + ( checkContext = context ).nodeType ? + matchContext( elem, context, xml ) : + matchAnyContext( elem, context, xml ) ); + + // Avoid hanging onto element (issue #299) + checkContext = null; + return ret; + } ]; + + for ( ; i < len; i++ ) { + if ( ( matcher = Expr.relative[ tokens[ i ].type ] ) ) { + matchers = [ addCombinator( elementMatcher( matchers ), matcher ) ]; + } else { + matcher = Expr.filter[ tokens[ i ].type ].apply( null, tokens[ i ].matches ); + + // Return special upon seeing a positional matcher + if ( matcher[ expando ] ) { + + // Find the next relative operator (if any) for proper handling + j = ++i; + for ( ; j < len; j++ ) { + if ( Expr.relative[ tokens[ j ].type ] ) { + break; + } + } + return setMatcher( + i > 1 && elementMatcher( matchers ), + i > 1 && toSelector( + + // If the preceding token was a descendant combinator, insert an implicit any-element `*` + tokens + .slice( 0, i - 1 ) + .concat( { value: tokens[ i - 2 ].type === " " ? "*" : "" } ) + ).replace( rtrim, "$1" ), + matcher, + i < j && matcherFromTokens( tokens.slice( i, j ) ), + j < len && matcherFromTokens( ( tokens = tokens.slice( j ) ) ), + j < len && toSelector( tokens ) + ); + } + matchers.push( matcher ); + } + } + + return elementMatcher( matchers ); +} + +function matcherFromGroupMatchers( elementMatchers, setMatchers ) { + var bySet = setMatchers.length > 0, + byElement = elementMatchers.length > 0, + superMatcher = function( seed, context, xml, results, outermost ) { + var elem, j, matcher, + matchedCount = 0, + i = "0", + unmatched = seed && [], + setMatched = [], + contextBackup = outermostContext, + + // We must always have either seed elements or outermost context + elems = seed || byElement && Expr.find[ "TAG" ]( "*", outermost ), + + // Use integer dirruns iff this is the outermost matcher + dirrunsUnique = ( dirruns += contextBackup == null ? 1 : Math.random() || 0.1 ), + len = elems.length; + + if ( outermost ) { + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + outermostContext = context == document || context || outermost; + } + + // Add elements passing elementMatchers directly to results + // Support: IE<9, Safari + // Tolerate NodeList properties (IE: "length"; Safari: ) matching elements by id + for ( ; i !== len && ( elem = elems[ i ] ) != null; i++ ) { + if ( byElement && elem ) { + j = 0; + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( !context && elem.ownerDocument != document ) { + setDocument( elem ); + xml = !documentIsHTML; + } + while ( ( matcher = elementMatchers[ j++ ] ) ) { + if ( matcher( elem, context || document, xml ) ) { + results.push( elem ); + break; + } + } + if ( outermost ) { + dirruns = dirrunsUnique; + } + } + + // Track unmatched elements for set filters + if ( bySet ) { + + // They will have gone through all possible matchers + if ( ( elem = !matcher && elem ) ) { + matchedCount--; + } + + // Lengthen the array for every element, matched or not + if ( seed ) { + unmatched.push( elem ); + } + } + } + + // `i` is now the count of elements visited above, and adding it to `matchedCount` + // makes the latter nonnegative. + matchedCount += i; + + // Apply set filters to unmatched elements + // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount` + // equals `i`), unless we didn't visit _any_ elements in the above loop because we have + // no element matchers and no seed. + // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that + // case, which will result in a "00" `matchedCount` that differs from `i` but is also + // numerically zero. + if ( bySet && i !== matchedCount ) { + j = 0; + while ( ( matcher = setMatchers[ j++ ] ) ) { + matcher( unmatched, setMatched, context, xml ); + } + + if ( seed ) { + + // Reintegrate element matches to eliminate the need for sorting + if ( matchedCount > 0 ) { + while ( i-- ) { + if ( !( unmatched[ i ] || setMatched[ i ] ) ) { + setMatched[ i ] = pop.call( results ); + } + } + } + + // Discard index placeholder values to get only actual matches + setMatched = condense( setMatched ); + } + + // Add matches to results + push.apply( results, setMatched ); + + // Seedless set matches succeeding multiple successful matchers stipulate sorting + if ( outermost && !seed && setMatched.length > 0 && + ( matchedCount + setMatchers.length ) > 1 ) { + + Sizzle.uniqueSort( results ); + } + } + + // Override manipulation of globals by nested matchers + if ( outermost ) { + dirruns = dirrunsUnique; + outermostContext = contextBackup; + } + + return unmatched; + }; + + return bySet ? + markFunction( superMatcher ) : + superMatcher; +} + +compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { + var i, + setMatchers = [], + elementMatchers = [], + cached = compilerCache[ selector + " " ]; + + if ( !cached ) { + + // Generate a function of recursive functions that can be used to check each element + if ( !match ) { + match = tokenize( selector ); + } + i = match.length; + while ( i-- ) { + cached = matcherFromTokens( match[ i ] ); + if ( cached[ expando ] ) { + setMatchers.push( cached ); + } else { + elementMatchers.push( cached ); + } + } + + // Cache the compiled function + cached = compilerCache( + selector, + matcherFromGroupMatchers( elementMatchers, setMatchers ) + ); + + // Save selector and tokenization + cached.selector = selector; + } + return cached; +}; + +/** + * A low-level selection function that works with Sizzle's compiled + * selector functions + * @param {String|Function} selector A selector or a pre-compiled + * selector function built with Sizzle.compile + * @param {Element} context + * @param {Array} [results] + * @param {Array} [seed] A set of elements to match against + */ +select = Sizzle.select = function( selector, context, results, seed ) { + var i, tokens, token, type, find, + compiled = typeof selector === "function" && selector, + match = !seed && tokenize( ( selector = compiled.selector || selector ) ); + + results = results || []; + + // Try to minimize operations if there is only one selector in the list and no seed + // (the latter of which guarantees us context) + if ( match.length === 1 ) { + + // Reduce context if the leading compound selector is an ID + tokens = match[ 0 ] = match[ 0 ].slice( 0 ); + if ( tokens.length > 2 && ( token = tokens[ 0 ] ).type === "ID" && + context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[ 1 ].type ] ) { + + context = ( Expr.find[ "ID" ]( token.matches[ 0 ] + .replace( runescape, funescape ), context ) || [] )[ 0 ]; + if ( !context ) { + return results; + + // Precompiled matchers will still verify ancestry, so step up a level + } else if ( compiled ) { + context = context.parentNode; + } + + selector = selector.slice( tokens.shift().value.length ); + } + + // Fetch a seed set for right-to-left matching + i = matchExpr[ "needsContext" ].test( selector ) ? 0 : tokens.length; + while ( i-- ) { + token = tokens[ i ]; + + // Abort if we hit a combinator + if ( Expr.relative[ ( type = token.type ) ] ) { + break; + } + if ( ( find = Expr.find[ type ] ) ) { + + // Search, expanding context for leading sibling combinators + if ( ( seed = find( + token.matches[ 0 ].replace( runescape, funescape ), + rsibling.test( tokens[ 0 ].type ) && testContext( context.parentNode ) || + context + ) ) ) { + + // If seed is empty or no tokens remain, we can return early + tokens.splice( i, 1 ); + selector = seed.length && toSelector( tokens ); + if ( !selector ) { + push.apply( results, seed ); + return results; + } + + break; + } + } + } + } + + // Compile and execute a filtering function if one is not provided + // Provide `match` to avoid retokenization if we modified the selector above + ( compiled || compile( selector, match ) )( + seed, + context, + !documentIsHTML, + results, + !context || rsibling.test( selector ) && testContext( context.parentNode ) || context + ); + return results; +}; + +// One-time assignments + +// Sort stability +support.sortStable = expando.split( "" ).sort( sortOrder ).join( "" ) === expando; + +// Support: Chrome 14-35+ +// Always assume duplicates if they aren't passed to the comparison function +support.detectDuplicates = !!hasDuplicate; + +// Initialize against the default document +setDocument(); + +// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) +// Detached nodes confoundingly follow *each other* +support.sortDetached = assert( function( el ) { + + // Should return 1, but returns 4 (following) + return el.compareDocumentPosition( document.createElement( "fieldset" ) ) & 1; +} ); + +// Support: IE<8 +// Prevent attribute/property "interpolation" +// https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx +if ( !assert( function( el ) { + el.innerHTML = ""; + return el.firstChild.getAttribute( "href" ) === "#"; +} ) ) { + addHandle( "type|href|height|width", function( elem, name, isXML ) { + if ( !isXML ) { + return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); + } + } ); +} + +// Support: IE<9 +// Use defaultValue in place of getAttribute("value") +if ( !support.attributes || !assert( function( el ) { + el.innerHTML = ""; + el.firstChild.setAttribute( "value", "" ); + return el.firstChild.getAttribute( "value" ) === ""; +} ) ) { + addHandle( "value", function( elem, _name, isXML ) { + if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { + return elem.defaultValue; + } + } ); +} + +// Support: IE<9 +// Use getAttributeNode to fetch booleans when getAttribute lies +if ( !assert( function( el ) { + return el.getAttribute( "disabled" ) == null; +} ) ) { + addHandle( booleans, function( elem, name, isXML ) { + var val; + if ( !isXML ) { + return elem[ name ] === true ? name.toLowerCase() : + ( val = elem.getAttributeNode( name ) ) && val.specified ? + val.value : + null; + } + } ); +} + +return Sizzle; + +} )( window ); + + + +jQuery.find = Sizzle; +jQuery.expr = Sizzle.selectors; + +// Deprecated +jQuery.expr[ ":" ] = jQuery.expr.pseudos; +jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort; +jQuery.text = Sizzle.getText; +jQuery.isXMLDoc = Sizzle.isXML; +jQuery.contains = Sizzle.contains; +jQuery.escapeSelector = Sizzle.escape; + + + + +var dir = function( elem, dir, until ) { + var matched = [], + truncate = until !== undefined; + + while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) { + if ( elem.nodeType === 1 ) { + if ( truncate && jQuery( elem ).is( until ) ) { + break; + } + matched.push( elem ); + } + } + return matched; +}; + + +var siblings = function( n, elem ) { + var matched = []; + + for ( ; n; n = n.nextSibling ) { + if ( n.nodeType === 1 && n !== elem ) { + matched.push( n ); + } + } + + return matched; +}; + + +var rneedsContext = jQuery.expr.match.needsContext; + + + +function nodeName( elem, name ) { + + return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); + +} +var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i ); + + + +// Implement the identical functionality for filter and not +function winnow( elements, qualifier, not ) { + if ( isFunction( qualifier ) ) { + return jQuery.grep( elements, function( elem, i ) { + return !!qualifier.call( elem, i, elem ) !== not; + } ); + } + + // Single element + if ( qualifier.nodeType ) { + return jQuery.grep( elements, function( elem ) { + return ( elem === qualifier ) !== not; + } ); + } + + // Arraylike of elements (jQuery, arguments, Array) + if ( typeof qualifier !== "string" ) { + return jQuery.grep( elements, function( elem ) { + return ( indexOf.call( qualifier, elem ) > -1 ) !== not; + } ); + } + + // Filtered directly for both simple and complex selectors + return jQuery.filter( qualifier, elements, not ); +} + +jQuery.filter = function( expr, elems, not ) { + var elem = elems[ 0 ]; + + if ( not ) { + expr = ":not(" + expr + ")"; + } + + if ( elems.length === 1 && elem.nodeType === 1 ) { + return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : []; + } + + return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { + return elem.nodeType === 1; + } ) ); +}; + +jQuery.fn.extend( { + find: function( selector ) { + var i, ret, + len = this.length, + self = this; + + if ( typeof selector !== "string" ) { + return this.pushStack( jQuery( selector ).filter( function() { + for ( i = 0; i < len; i++ ) { + if ( jQuery.contains( self[ i ], this ) ) { + return true; + } + } + } ) ); + } + + ret = this.pushStack( [] ); + + for ( i = 0; i < len; i++ ) { + jQuery.find( selector, self[ i ], ret ); + } + + return len > 1 ? jQuery.uniqueSort( ret ) : ret; + }, + filter: function( selector ) { + return this.pushStack( winnow( this, selector || [], false ) ); + }, + not: function( selector ) { + return this.pushStack( winnow( this, selector || [], true ) ); + }, + is: function( selector ) { + return !!winnow( + this, + + // If this is a positional/relative selector, check membership in the returned set + // so $("p:first").is("p:last") won't return true for a doc with two "p". + typeof selector === "string" && rneedsContext.test( selector ) ? + jQuery( selector ) : + selector || [], + false + ).length; + } +} ); + + +// Initialize a jQuery object + + +// A central reference to the root jQuery(document) +var rootjQuery, + + // A simple way to check for HTML strings + // Prioritize #id over to avoid XSS via location.hash (#9521) + // Strict HTML recognition (#11290: must start with <) + // Shortcut simple #id case for speed + rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/, + + init = jQuery.fn.init = function( selector, context, root ) { + var match, elem; + + // HANDLE: $(""), $(null), $(undefined), $(false) + if ( !selector ) { + return this; + } + + // Method init() accepts an alternate rootjQuery + // so migrate can support jQuery.sub (gh-2101) + root = root || rootjQuery; + + // Handle HTML strings + if ( typeof selector === "string" ) { + if ( selector[ 0 ] === "<" && + selector[ selector.length - 1 ] === ">" && + selector.length >= 3 ) { + + // Assume that strings that start and end with <> are HTML and skip the regex check + match = [ null, selector, null ]; + + } else { + match = rquickExpr.exec( selector ); + } + + // Match html or make sure no context is specified for #id + if ( match && ( match[ 1 ] || !context ) ) { + + // HANDLE: $(html) -> $(array) + if ( match[ 1 ] ) { + context = context instanceof jQuery ? context[ 0 ] : context; + + // Option to run scripts is true for back-compat + // Intentionally let the error be thrown if parseHTML is not present + jQuery.merge( this, jQuery.parseHTML( + match[ 1 ], + context && context.nodeType ? context.ownerDocument || context : document, + true + ) ); + + // HANDLE: $(html, props) + if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) { + for ( match in context ) { + + // Properties of context are called as methods if possible + if ( isFunction( this[ match ] ) ) { + this[ match ]( context[ match ] ); + + // ...and otherwise set as attributes + } else { + this.attr( match, context[ match ] ); + } + } + } + + return this; + + // HANDLE: $(#id) + } else { + elem = document.getElementById( match[ 2 ] ); + + if ( elem ) { + + // Inject the element directly into the jQuery object + this[ 0 ] = elem; + this.length = 1; + } + return this; + } + + // HANDLE: $(expr, $(...)) + } else if ( !context || context.jquery ) { + return ( context || root ).find( selector ); + + // HANDLE: $(expr, context) + // (which is just equivalent to: $(context).find(expr) + } else { + return this.constructor( context ).find( selector ); + } + + // HANDLE: $(DOMElement) + } else if ( selector.nodeType ) { + this[ 0 ] = selector; + this.length = 1; + return this; + + // HANDLE: $(function) + // Shortcut for document ready + } else if ( isFunction( selector ) ) { + return root.ready !== undefined ? + root.ready( selector ) : + + // Execute immediately if ready is not present + selector( jQuery ); + } + + return jQuery.makeArray( selector, this ); + }; + +// Give the init function the jQuery prototype for later instantiation +init.prototype = jQuery.fn; + +// Initialize central reference +rootjQuery = jQuery( document ); + + +var rparentsprev = /^(?:parents|prev(?:Until|All))/, + + // Methods guaranteed to produce a unique set when starting from a unique set + guaranteedUnique = { + children: true, + contents: true, + next: true, + prev: true + }; + +jQuery.fn.extend( { + has: function( target ) { + var targets = jQuery( target, this ), + l = targets.length; + + return this.filter( function() { + var i = 0; + for ( ; i < l; i++ ) { + if ( jQuery.contains( this, targets[ i ] ) ) { + return true; + } + } + } ); + }, + + closest: function( selectors, context ) { + var cur, + i = 0, + l = this.length, + matched = [], + targets = typeof selectors !== "string" && jQuery( selectors ); + + // Positional selectors never match, since there's no _selection_ context + if ( !rneedsContext.test( selectors ) ) { + for ( ; i < l; i++ ) { + for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) { + + // Always skip document fragments + if ( cur.nodeType < 11 && ( targets ? + targets.index( cur ) > -1 : + + // Don't pass non-elements to Sizzle + cur.nodeType === 1 && + jQuery.find.matchesSelector( cur, selectors ) ) ) { + + matched.push( cur ); + break; + } + } + } + } + + return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched ); + }, + + // Determine the position of an element within the set + index: function( elem ) { + + // No argument, return index in parent + if ( !elem ) { + return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1; + } + + // Index in selector + if ( typeof elem === "string" ) { + return indexOf.call( jQuery( elem ), this[ 0 ] ); + } + + // Locate the position of the desired element + return indexOf.call( this, + + // If it receives a jQuery object, the first element is used + elem.jquery ? elem[ 0 ] : elem + ); + }, + + add: function( selector, context ) { + return this.pushStack( + jQuery.uniqueSort( + jQuery.merge( this.get(), jQuery( selector, context ) ) + ) + ); + }, + + addBack: function( selector ) { + return this.add( selector == null ? + this.prevObject : this.prevObject.filter( selector ) + ); + } +} ); + +function sibling( cur, dir ) { + while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {} + return cur; +} + +jQuery.each( { + parent: function( elem ) { + var parent = elem.parentNode; + return parent && parent.nodeType !== 11 ? parent : null; + }, + parents: function( elem ) { + return dir( elem, "parentNode" ); + }, + parentsUntil: function( elem, _i, until ) { + return dir( elem, "parentNode", until ); + }, + next: function( elem ) { + return sibling( elem, "nextSibling" ); + }, + prev: function( elem ) { + return sibling( elem, "previousSibling" ); + }, + nextAll: function( elem ) { + return dir( elem, "nextSibling" ); + }, + prevAll: function( elem ) { + return dir( elem, "previousSibling" ); + }, + nextUntil: function( elem, _i, until ) { + return dir( elem, "nextSibling", until ); + }, + prevUntil: function( elem, _i, until ) { + return dir( elem, "previousSibling", until ); + }, + siblings: function( elem ) { + return siblings( ( elem.parentNode || {} ).firstChild, elem ); + }, + children: function( elem ) { + return siblings( elem.firstChild ); + }, + contents: function( elem ) { + if ( elem.contentDocument != null && + + // Support: IE 11+ + // elements with no `data` attribute has an object + // `contentDocument` with a `null` prototype. + getProto( elem.contentDocument ) ) { + + return elem.contentDocument; + } + + // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only + // Treat the template element as a regular one in browsers that + // don't support it. + if ( nodeName( elem, "template" ) ) { + elem = elem.content || elem; + } + + return jQuery.merge( [], elem.childNodes ); + } +}, function( name, fn ) { + jQuery.fn[ name ] = function( until, selector ) { + var matched = jQuery.map( this, fn, until ); + + if ( name.slice( -5 ) !== "Until" ) { + selector = until; + } + + if ( selector && typeof selector === "string" ) { + matched = jQuery.filter( selector, matched ); + } + + if ( this.length > 1 ) { + + // Remove duplicates + if ( !guaranteedUnique[ name ] ) { + jQuery.uniqueSort( matched ); + } + + // Reverse order for parents* and prev-derivatives + if ( rparentsprev.test( name ) ) { + matched.reverse(); + } + } + + return this.pushStack( matched ); + }; +} ); +var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g ); + + + +// Convert String-formatted options into Object-formatted ones +function createOptions( options ) { + var object = {}; + jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) { + object[ flag ] = true; + } ); + return object; +} + +/* + * Create a callback list using the following parameters: + * + * options: an optional list of space-separated options that will change how + * the callback list behaves or a more traditional option object + * + * By default a callback list will act like an event callback list and can be + * "fired" multiple times. + * + * Possible options: + * + * once: will ensure the callback list can only be fired once (like a Deferred) + * + * memory: will keep track of previous values and will call any callback added + * after the list has been fired right away with the latest "memorized" + * values (like a Deferred) + * + * unique: will ensure a callback can only be added once (no duplicate in the list) + * + * stopOnFalse: interrupt callings when a callback returns false + * + */ +jQuery.Callbacks = function( options ) { + + // Convert options from String-formatted to Object-formatted if needed + // (we check in cache first) + options = typeof options === "string" ? + createOptions( options ) : + jQuery.extend( {}, options ); + + var // Flag to know if list is currently firing + firing, + + // Last fire value for non-forgettable lists + memory, + + // Flag to know if list was already fired + fired, + + // Flag to prevent firing + locked, + + // Actual callback list + list = [], + + // Queue of execution data for repeatable lists + queue = [], + + // Index of currently firing callback (modified by add/remove as needed) + firingIndex = -1, + + // Fire callbacks + fire = function() { + + // Enforce single-firing + locked = locked || options.once; + + // Execute callbacks for all pending executions, + // respecting firingIndex overrides and runtime changes + fired = firing = true; + for ( ; queue.length; firingIndex = -1 ) { + memory = queue.shift(); + while ( ++firingIndex < list.length ) { + + // Run callback and check for early termination + if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false && + options.stopOnFalse ) { + + // Jump to end and forget the data so .add doesn't re-fire + firingIndex = list.length; + memory = false; + } + } + } + + // Forget the data if we're done with it + if ( !options.memory ) { + memory = false; + } + + firing = false; + + // Clean up if we're done firing for good + if ( locked ) { + + // Keep an empty list if we have data for future add calls + if ( memory ) { + list = []; + + // Otherwise, this object is spent + } else { + list = ""; + } + } + }, + + // Actual Callbacks object + self = { + + // Add a callback or a collection of callbacks to the list + add: function() { + if ( list ) { + + // If we have memory from a past run, we should fire after adding + if ( memory && !firing ) { + firingIndex = list.length - 1; + queue.push( memory ); + } + + ( function add( args ) { + jQuery.each( args, function( _, arg ) { + if ( isFunction( arg ) ) { + if ( !options.unique || !self.has( arg ) ) { + list.push( arg ); + } + } else if ( arg && arg.length && toType( arg ) !== "string" ) { + + // Inspect recursively + add( arg ); + } + } ); + } )( arguments ); + + if ( memory && !firing ) { + fire(); + } + } + return this; + }, + + // Remove a callback from the list + remove: function() { + jQuery.each( arguments, function( _, arg ) { + var index; + while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { + list.splice( index, 1 ); + + // Handle firing indexes + if ( index <= firingIndex ) { + firingIndex--; + } + } + } ); + return this; + }, + + // Check if a given callback is in the list. + // If no argument is given, return whether or not list has callbacks attached. + has: function( fn ) { + return fn ? + jQuery.inArray( fn, list ) > -1 : + list.length > 0; + }, + + // Remove all callbacks from the list + empty: function() { + if ( list ) { + list = []; + } + return this; + }, + + // Disable .fire and .add + // Abort any current/pending executions + // Clear all callbacks and values + disable: function() { + locked = queue = []; + list = memory = ""; + return this; + }, + disabled: function() { + return !list; + }, + + // Disable .fire + // Also disable .add unless we have memory (since it would have no effect) + // Abort any pending executions + lock: function() { + locked = queue = []; + if ( !memory && !firing ) { + list = memory = ""; + } + return this; + }, + locked: function() { + return !!locked; + }, + + // Call all callbacks with the given context and arguments + fireWith: function( context, args ) { + if ( !locked ) { + args = args || []; + args = [ context, args.slice ? args.slice() : args ]; + queue.push( args ); + if ( !firing ) { + fire(); + } + } + return this; + }, + + // Call all the callbacks with the given arguments + fire: function() { + self.fireWith( this, arguments ); + return this; + }, + + // To know if the callbacks have already been called at least once + fired: function() { + return !!fired; + } + }; + + return self; +}; + + +function Identity( v ) { + return v; +} +function Thrower( ex ) { + throw ex; +} + +function adoptValue( value, resolve, reject, noValue ) { + var method; + + try { + + // Check for promise aspect first to privilege synchronous behavior + if ( value && isFunction( ( method = value.promise ) ) ) { + method.call( value ).done( resolve ).fail( reject ); + + // Other thenables + } else if ( value && isFunction( ( method = value.then ) ) ) { + method.call( value, resolve, reject ); + + // Other non-thenables + } else { + + // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer: + // * false: [ value ].slice( 0 ) => resolve( value ) + // * true: [ value ].slice( 1 ) => resolve() + resolve.apply( undefined, [ value ].slice( noValue ) ); + } + + // For Promises/A+, convert exceptions into rejections + // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in + // Deferred#then to conditionally suppress rejection. + } catch ( value ) { + + // Support: Android 4.0 only + // Strict mode functions invoked without .call/.apply get global-object context + reject.apply( undefined, [ value ] ); + } +} + +jQuery.extend( { + + Deferred: function( func ) { + var tuples = [ + + // action, add listener, callbacks, + // ... .then handlers, argument index, [final state] + [ "notify", "progress", jQuery.Callbacks( "memory" ), + jQuery.Callbacks( "memory" ), 2 ], + [ "resolve", "done", jQuery.Callbacks( "once memory" ), + jQuery.Callbacks( "once memory" ), 0, "resolved" ], + [ "reject", "fail", jQuery.Callbacks( "once memory" ), + jQuery.Callbacks( "once memory" ), 1, "rejected" ] + ], + state = "pending", + promise = { + state: function() { + return state; + }, + always: function() { + deferred.done( arguments ).fail( arguments ); + return this; + }, + "catch": function( fn ) { + return promise.then( null, fn ); + }, + + // Keep pipe for back-compat + pipe: function( /* fnDone, fnFail, fnProgress */ ) { + var fns = arguments; + + return jQuery.Deferred( function( newDefer ) { + jQuery.each( tuples, function( _i, tuple ) { + + // Map tuples (progress, done, fail) to arguments (done, fail, progress) + var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ]; + + // deferred.progress(function() { bind to newDefer or newDefer.notify }) + // deferred.done(function() { bind to newDefer or newDefer.resolve }) + // deferred.fail(function() { bind to newDefer or newDefer.reject }) + deferred[ tuple[ 1 ] ]( function() { + var returned = fn && fn.apply( this, arguments ); + if ( returned && isFunction( returned.promise ) ) { + returned.promise() + .progress( newDefer.notify ) + .done( newDefer.resolve ) + .fail( newDefer.reject ); + } else { + newDefer[ tuple[ 0 ] + "With" ]( + this, + fn ? [ returned ] : arguments + ); + } + } ); + } ); + fns = null; + } ).promise(); + }, + then: function( onFulfilled, onRejected, onProgress ) { + var maxDepth = 0; + function resolve( depth, deferred, handler, special ) { + return function() { + var that = this, + args = arguments, + mightThrow = function() { + var returned, then; + + // Support: Promises/A+ section 2.3.3.3.3 + // https://promisesaplus.com/#point-59 + // Ignore double-resolution attempts + if ( depth < maxDepth ) { + return; + } + + returned = handler.apply( that, args ); + + // Support: Promises/A+ section 2.3.1 + // https://promisesaplus.com/#point-48 + if ( returned === deferred.promise() ) { + throw new TypeError( "Thenable self-resolution" ); + } + + // Support: Promises/A+ sections 2.3.3.1, 3.5 + // https://promisesaplus.com/#point-54 + // https://promisesaplus.com/#point-75 + // Retrieve `then` only once + then = returned && + + // Support: Promises/A+ section 2.3.4 + // https://promisesaplus.com/#point-64 + // Only check objects and functions for thenability + ( typeof returned === "object" || + typeof returned === "function" ) && + returned.then; + + // Handle a returned thenable + if ( isFunction( then ) ) { + + // Special processors (notify) just wait for resolution + if ( special ) { + then.call( + returned, + resolve( maxDepth, deferred, Identity, special ), + resolve( maxDepth, deferred, Thrower, special ) + ); + + // Normal processors (resolve) also hook into progress + } else { + + // ...and disregard older resolution values + maxDepth++; + + then.call( + returned, + resolve( maxDepth, deferred, Identity, special ), + resolve( maxDepth, deferred, Thrower, special ), + resolve( maxDepth, deferred, Identity, + deferred.notifyWith ) + ); + } + + // Handle all other returned values + } else { + + // Only substitute handlers pass on context + // and multiple values (non-spec behavior) + if ( handler !== Identity ) { + that = undefined; + args = [ returned ]; + } + + // Process the value(s) + // Default process is resolve + ( special || deferred.resolveWith )( that, args ); + } + }, + + // Only normal processors (resolve) catch and reject exceptions + process = special ? + mightThrow : + function() { + try { + mightThrow(); + } catch ( e ) { + + if ( jQuery.Deferred.exceptionHook ) { + jQuery.Deferred.exceptionHook( e, + process.stackTrace ); + } + + // Support: Promises/A+ section 2.3.3.3.4.1 + // https://promisesaplus.com/#point-61 + // Ignore post-resolution exceptions + if ( depth + 1 >= maxDepth ) { + + // Only substitute handlers pass on context + // and multiple values (non-spec behavior) + if ( handler !== Thrower ) { + that = undefined; + args = [ e ]; + } + + deferred.rejectWith( that, args ); + } + } + }; + + // Support: Promises/A+ section 2.3.3.3.1 + // https://promisesaplus.com/#point-57 + // Re-resolve promises immediately to dodge false rejection from + // subsequent errors + if ( depth ) { + process(); + } else { + + // Call an optional hook to record the stack, in case of exception + // since it's otherwise lost when execution goes async + if ( jQuery.Deferred.getStackHook ) { + process.stackTrace = jQuery.Deferred.getStackHook(); + } + window.setTimeout( process ); + } + }; + } + + return jQuery.Deferred( function( newDefer ) { + + // progress_handlers.add( ... ) + tuples[ 0 ][ 3 ].add( + resolve( + 0, + newDefer, + isFunction( onProgress ) ? + onProgress : + Identity, + newDefer.notifyWith + ) + ); + + // fulfilled_handlers.add( ... ) + tuples[ 1 ][ 3 ].add( + resolve( + 0, + newDefer, + isFunction( onFulfilled ) ? + onFulfilled : + Identity + ) + ); + + // rejected_handlers.add( ... ) + tuples[ 2 ][ 3 ].add( + resolve( + 0, + newDefer, + isFunction( onRejected ) ? + onRejected : + Thrower + ) + ); + } ).promise(); + }, + + // Get a promise for this deferred + // If obj is provided, the promise aspect is added to the object + promise: function( obj ) { + return obj != null ? jQuery.extend( obj, promise ) : promise; + } + }, + deferred = {}; + + // Add list-specific methods + jQuery.each( tuples, function( i, tuple ) { + var list = tuple[ 2 ], + stateString = tuple[ 5 ]; + + // promise.progress = list.add + // promise.done = list.add + // promise.fail = list.add + promise[ tuple[ 1 ] ] = list.add; + + // Handle state + if ( stateString ) { + list.add( + function() { + + // state = "resolved" (i.e., fulfilled) + // state = "rejected" + state = stateString; + }, + + // rejected_callbacks.disable + // fulfilled_callbacks.disable + tuples[ 3 - i ][ 2 ].disable, + + // rejected_handlers.disable + // fulfilled_handlers.disable + tuples[ 3 - i ][ 3 ].disable, + + // progress_callbacks.lock + tuples[ 0 ][ 2 ].lock, + + // progress_handlers.lock + tuples[ 0 ][ 3 ].lock + ); + } + + // progress_handlers.fire + // fulfilled_handlers.fire + // rejected_handlers.fire + list.add( tuple[ 3 ].fire ); + + // deferred.notify = function() { deferred.notifyWith(...) } + // deferred.resolve = function() { deferred.resolveWith(...) } + // deferred.reject = function() { deferred.rejectWith(...) } + deferred[ tuple[ 0 ] ] = function() { + deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments ); + return this; + }; + + // deferred.notifyWith = list.fireWith + // deferred.resolveWith = list.fireWith + // deferred.rejectWith = list.fireWith + deferred[ tuple[ 0 ] + "With" ] = list.fireWith; + } ); + + // Make the deferred a promise + promise.promise( deferred ); + + // Call given func if any + if ( func ) { + func.call( deferred, deferred ); + } + + // All done! + return deferred; + }, + + // Deferred helper + when: function( singleValue ) { + var + + // count of uncompleted subordinates + remaining = arguments.length, + + // count of unprocessed arguments + i = remaining, + + // subordinate fulfillment data + resolveContexts = Array( i ), + resolveValues = slice.call( arguments ), + + // the primary Deferred + primary = jQuery.Deferred(), + + // subordinate callback factory + updateFunc = function( i ) { + return function( value ) { + resolveContexts[ i ] = this; + resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; + if ( !( --remaining ) ) { + primary.resolveWith( resolveContexts, resolveValues ); + } + }; + }; + + // Single- and empty arguments are adopted like Promise.resolve + if ( remaining <= 1 ) { + adoptValue( singleValue, primary.done( updateFunc( i ) ).resolve, primary.reject, + !remaining ); + + // Use .then() to unwrap secondary thenables (cf. gh-3000) + if ( primary.state() === "pending" || + isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) { + + return primary.then(); + } + } + + // Multiple arguments are aggregated like Promise.all array elements + while ( i-- ) { + adoptValue( resolveValues[ i ], updateFunc( i ), primary.reject ); + } + + return primary.promise(); + } +} ); + + +// These usually indicate a programmer mistake during development, +// warn about them ASAP rather than swallowing them by default. +var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/; + +jQuery.Deferred.exceptionHook = function( error, stack ) { + + // Support: IE 8 - 9 only + // Console exists when dev tools are open, which can happen at any time + if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) { + window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack ); + } +}; + + + + +jQuery.readyException = function( error ) { + window.setTimeout( function() { + throw error; + } ); +}; + + + + +// The deferred used on DOM ready +var readyList = jQuery.Deferred(); + +jQuery.fn.ready = function( fn ) { + + readyList + .then( fn ) + + // Wrap jQuery.readyException in a function so that the lookup + // happens at the time of error handling instead of callback + // registration. + .catch( function( error ) { + jQuery.readyException( error ); + } ); + + return this; +}; + +jQuery.extend( { + + // Is the DOM ready to be used? Set to true once it occurs. + isReady: false, + + // A counter to track how many items to wait for before + // the ready event fires. See #6781 + readyWait: 1, + + // Handle when the DOM is ready + ready: function( wait ) { + + // Abort if there are pending holds or we're already ready + if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { + return; + } + + // Remember that the DOM is ready + jQuery.isReady = true; + + // If a normal DOM Ready event fired, decrement, and wait if need be + if ( wait !== true && --jQuery.readyWait > 0 ) { + return; + } + + // If there are functions bound, to execute + readyList.resolveWith( document, [ jQuery ] ); + } +} ); + +jQuery.ready.then = readyList.then; + +// The ready event handler and self cleanup method +function completed() { + document.removeEventListener( "DOMContentLoaded", completed ); + window.removeEventListener( "load", completed ); + jQuery.ready(); +} + +// Catch cases where $(document).ready() is called +// after the browser event has already occurred. +// Support: IE <=9 - 10 only +// Older IE sometimes signals "interactive" too soon +if ( document.readyState === "complete" || + ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) { + + // Handle it asynchronously to allow scripts the opportunity to delay ready + window.setTimeout( jQuery.ready ); + +} else { + + // Use the handy event callback + document.addEventListener( "DOMContentLoaded", completed ); + + // A fallback to window.onload, that will always work + window.addEventListener( "load", completed ); +} + + + + +// Multifunctional method to get and set values of a collection +// The value/s can optionally be executed if it's a function +var access = function( elems, fn, key, value, chainable, emptyGet, raw ) { + var i = 0, + len = elems.length, + bulk = key == null; + + // Sets many values + if ( toType( key ) === "object" ) { + chainable = true; + for ( i in key ) { + access( elems, fn, i, key[ i ], true, emptyGet, raw ); + } + + // Sets one value + } else if ( value !== undefined ) { + chainable = true; + + if ( !isFunction( value ) ) { + raw = true; + } + + if ( bulk ) { + + // Bulk operations run against the entire set + if ( raw ) { + fn.call( elems, value ); + fn = null; + + // ...except when executing function values + } else { + bulk = fn; + fn = function( elem, _key, value ) { + return bulk.call( jQuery( elem ), value ); + }; + } + } + + if ( fn ) { + for ( ; i < len; i++ ) { + fn( + elems[ i ], key, raw ? + value : + value.call( elems[ i ], i, fn( elems[ i ], key ) ) + ); + } + } + } + + if ( chainable ) { + return elems; + } + + // Gets + if ( bulk ) { + return fn.call( elems ); + } + + return len ? fn( elems[ 0 ], key ) : emptyGet; +}; + + +// Matches dashed string for camelizing +var rmsPrefix = /^-ms-/, + rdashAlpha = /-([a-z])/g; + +// Used by camelCase as callback to replace() +function fcamelCase( _all, letter ) { + return letter.toUpperCase(); +} + +// Convert dashed to camelCase; used by the css and data modules +// Support: IE <=9 - 11, Edge 12 - 15 +// Microsoft forgot to hump their vendor prefix (#9572) +function camelCase( string ) { + return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); +} +var acceptData = function( owner ) { + + // Accepts only: + // - Node + // - Node.ELEMENT_NODE + // - Node.DOCUMENT_NODE + // - Object + // - Any + return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType ); +}; + + + + +function Data() { + this.expando = jQuery.expando + Data.uid++; +} + +Data.uid = 1; + +Data.prototype = { + + cache: function( owner ) { + + // Check if the owner object already has a cache + var value = owner[ this.expando ]; + + // If not, create one + if ( !value ) { + value = {}; + + // We can accept data for non-element nodes in modern browsers, + // but we should not, see #8335. + // Always return an empty object. + if ( acceptData( owner ) ) { + + // If it is a node unlikely to be stringify-ed or looped over + // use plain assignment + if ( owner.nodeType ) { + owner[ this.expando ] = value; + + // Otherwise secure it in a non-enumerable property + // configurable must be true to allow the property to be + // deleted when data is removed + } else { + Object.defineProperty( owner, this.expando, { + value: value, + configurable: true + } ); + } + } + } + + return value; + }, + set: function( owner, data, value ) { + var prop, + cache = this.cache( owner ); + + // Handle: [ owner, key, value ] args + // Always use camelCase key (gh-2257) + if ( typeof data === "string" ) { + cache[ camelCase( data ) ] = value; + + // Handle: [ owner, { properties } ] args + } else { + + // Copy the properties one-by-one to the cache object + for ( prop in data ) { + cache[ camelCase( prop ) ] = data[ prop ]; + } + } + return cache; + }, + get: function( owner, key ) { + return key === undefined ? + this.cache( owner ) : + + // Always use camelCase key (gh-2257) + owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ]; + }, + access: function( owner, key, value ) { + + // In cases where either: + // + // 1. No key was specified + // 2. A string key was specified, but no value provided + // + // Take the "read" path and allow the get method to determine + // which value to return, respectively either: + // + // 1. The entire cache object + // 2. The data stored at the key + // + if ( key === undefined || + ( ( key && typeof key === "string" ) && value === undefined ) ) { + + return this.get( owner, key ); + } + + // When the key is not a string, or both a key and value + // are specified, set or extend (existing objects) with either: + // + // 1. An object of properties + // 2. A key and value + // + this.set( owner, key, value ); + + // Since the "set" path can have two possible entry points + // return the expected data based on which path was taken[*] + return value !== undefined ? value : key; + }, + remove: function( owner, key ) { + var i, + cache = owner[ this.expando ]; + + if ( cache === undefined ) { + return; + } + + if ( key !== undefined ) { + + // Support array or space separated string of keys + if ( Array.isArray( key ) ) { + + // If key is an array of keys... + // We always set camelCase keys, so remove that. + key = key.map( camelCase ); + } else { + key = camelCase( key ); + + // If a key with the spaces exists, use it. + // Otherwise, create an array by matching non-whitespace + key = key in cache ? + [ key ] : + ( key.match( rnothtmlwhite ) || [] ); + } + + i = key.length; + + while ( i-- ) { + delete cache[ key[ i ] ]; + } + } + + // Remove the expando if there's no more data + if ( key === undefined || jQuery.isEmptyObject( cache ) ) { + + // Support: Chrome <=35 - 45 + // Webkit & Blink performance suffers when deleting properties + // from DOM nodes, so set to undefined instead + // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted) + if ( owner.nodeType ) { + owner[ this.expando ] = undefined; + } else { + delete owner[ this.expando ]; + } + } + }, + hasData: function( owner ) { + var cache = owner[ this.expando ]; + return cache !== undefined && !jQuery.isEmptyObject( cache ); + } +}; +var dataPriv = new Data(); + +var dataUser = new Data(); + + + +// Implementation Summary +// +// 1. Enforce API surface and semantic compatibility with 1.9.x branch +// 2. Improve the module's maintainability by reducing the storage +// paths to a single mechanism. +// 3. Use the same single mechanism to support "private" and "user" data. +// 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData) +// 5. Avoid exposing implementation details on user objects (eg. expando properties) +// 6. Provide a clear path for implementation upgrade to WeakMap in 2014 + +var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, + rmultiDash = /[A-Z]/g; + +function getData( data ) { + if ( data === "true" ) { + return true; + } + + if ( data === "false" ) { + return false; + } + + if ( data === "null" ) { + return null; + } + + // Only convert to a number if it doesn't change the string + if ( data === +data + "" ) { + return +data; + } + + if ( rbrace.test( data ) ) { + return JSON.parse( data ); + } + + return data; +} + +function dataAttr( elem, key, data ) { + var name; + + // If nothing was found internally, try to fetch any + // data from the HTML5 data-* attribute + if ( data === undefined && elem.nodeType === 1 ) { + name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase(); + data = elem.getAttribute( name ); + + if ( typeof data === "string" ) { + try { + data = getData( data ); + } catch ( e ) {} + + // Make sure we set the data so it isn't changed later + dataUser.set( elem, key, data ); + } else { + data = undefined; + } + } + return data; +} + +jQuery.extend( { + hasData: function( elem ) { + return dataUser.hasData( elem ) || dataPriv.hasData( elem ); + }, + + data: function( elem, name, data ) { + return dataUser.access( elem, name, data ); + }, + + removeData: function( elem, name ) { + dataUser.remove( elem, name ); + }, + + // TODO: Now that all calls to _data and _removeData have been replaced + // with direct calls to dataPriv methods, these can be deprecated. + _data: function( elem, name, data ) { + return dataPriv.access( elem, name, data ); + }, + + _removeData: function( elem, name ) { + dataPriv.remove( elem, name ); + } +} ); + +jQuery.fn.extend( { + data: function( key, value ) { + var i, name, data, + elem = this[ 0 ], + attrs = elem && elem.attributes; + + // Gets all values + if ( key === undefined ) { + if ( this.length ) { + data = dataUser.get( elem ); + + if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) { + i = attrs.length; + while ( i-- ) { + + // Support: IE 11 only + // The attrs elements can be null (#14894) + if ( attrs[ i ] ) { + name = attrs[ i ].name; + if ( name.indexOf( "data-" ) === 0 ) { + name = camelCase( name.slice( 5 ) ); + dataAttr( elem, name, data[ name ] ); + } + } + } + dataPriv.set( elem, "hasDataAttrs", true ); + } + } + + return data; + } + + // Sets multiple values + if ( typeof key === "object" ) { + return this.each( function() { + dataUser.set( this, key ); + } ); + } + + return access( this, function( value ) { + var data; + + // The calling jQuery object (element matches) is not empty + // (and therefore has an element appears at this[ 0 ]) and the + // `value` parameter was not undefined. An empty jQuery object + // will result in `undefined` for elem = this[ 0 ] which will + // throw an exception if an attempt to read a data cache is made. + if ( elem && value === undefined ) { + + // Attempt to get data from the cache + // The key will always be camelCased in Data + data = dataUser.get( elem, key ); + if ( data !== undefined ) { + return data; + } + + // Attempt to "discover" the data in + // HTML5 custom data-* attrs + data = dataAttr( elem, key ); + if ( data !== undefined ) { + return data; + } + + // We tried really hard, but the data doesn't exist. + return; + } + + // Set the data... + this.each( function() { + + // We always store the camelCased key + dataUser.set( this, key, value ); + } ); + }, null, value, arguments.length > 1, null, true ); + }, + + removeData: function( key ) { + return this.each( function() { + dataUser.remove( this, key ); + } ); + } +} ); + + +jQuery.extend( { + queue: function( elem, type, data ) { + var queue; + + if ( elem ) { + type = ( type || "fx" ) + "queue"; + queue = dataPriv.get( elem, type ); + + // Speed up dequeue by getting out quickly if this is just a lookup + if ( data ) { + if ( !queue || Array.isArray( data ) ) { + queue = dataPriv.access( elem, type, jQuery.makeArray( data ) ); + } else { + queue.push( data ); + } + } + return queue || []; + } + }, + + dequeue: function( elem, type ) { + type = type || "fx"; + + var queue = jQuery.queue( elem, type ), + startLength = queue.length, + fn = queue.shift(), + hooks = jQuery._queueHooks( elem, type ), + next = function() { + jQuery.dequeue( elem, type ); + }; + + // If the fx queue is dequeued, always remove the progress sentinel + if ( fn === "inprogress" ) { + fn = queue.shift(); + startLength--; + } + + if ( fn ) { + + // Add a progress sentinel to prevent the fx queue from being + // automatically dequeued + if ( type === "fx" ) { + queue.unshift( "inprogress" ); + } + + // Clear up the last queue stop function + delete hooks.stop; + fn.call( elem, next, hooks ); + } + + if ( !startLength && hooks ) { + hooks.empty.fire(); + } + }, + + // Not public - generate a queueHooks object, or return the current one + _queueHooks: function( elem, type ) { + var key = type + "queueHooks"; + return dataPriv.get( elem, key ) || dataPriv.access( elem, key, { + empty: jQuery.Callbacks( "once memory" ).add( function() { + dataPriv.remove( elem, [ type + "queue", key ] ); + } ) + } ); + } +} ); + +jQuery.fn.extend( { + queue: function( type, data ) { + var setter = 2; + + if ( typeof type !== "string" ) { + data = type; + type = "fx"; + setter--; + } + + if ( arguments.length < setter ) { + return jQuery.queue( this[ 0 ], type ); + } + + return data === undefined ? + this : + this.each( function() { + var queue = jQuery.queue( this, type, data ); + + // Ensure a hooks for this queue + jQuery._queueHooks( this, type ); + + if ( type === "fx" && queue[ 0 ] !== "inprogress" ) { + jQuery.dequeue( this, type ); + } + } ); + }, + dequeue: function( type ) { + return this.each( function() { + jQuery.dequeue( this, type ); + } ); + }, + clearQueue: function( type ) { + return this.queue( type || "fx", [] ); + }, + + // Get a promise resolved when queues of a certain type + // are emptied (fx is the type by default) + promise: function( type, obj ) { + var tmp, + count = 1, + defer = jQuery.Deferred(), + elements = this, + i = this.length, + resolve = function() { + if ( !( --count ) ) { + defer.resolveWith( elements, [ elements ] ); + } + }; + + if ( typeof type !== "string" ) { + obj = type; + type = undefined; + } + type = type || "fx"; + + while ( i-- ) { + tmp = dataPriv.get( elements[ i ], type + "queueHooks" ); + if ( tmp && tmp.empty ) { + count++; + tmp.empty.add( resolve ); + } + } + resolve(); + return defer.promise( obj ); + } +} ); +var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source; + +var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ); + + +var cssExpand = [ "Top", "Right", "Bottom", "Left" ]; + +var documentElement = document.documentElement; + + + + var isAttached = function( elem ) { + return jQuery.contains( elem.ownerDocument, elem ); + }, + composed = { composed: true }; + + // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only + // Check attachment across shadow DOM boundaries when possible (gh-3504) + // Support: iOS 10.0-10.2 only + // Early iOS 10 versions support `attachShadow` but not `getRootNode`, + // leading to errors. We need to check for `getRootNode`. + if ( documentElement.getRootNode ) { + isAttached = function( elem ) { + return jQuery.contains( elem.ownerDocument, elem ) || + elem.getRootNode( composed ) === elem.ownerDocument; + }; + } +var isHiddenWithinTree = function( elem, el ) { + + // isHiddenWithinTree might be called from jQuery#filter function; + // in that case, element will be second argument + elem = el || elem; + + // Inline style trumps all + return elem.style.display === "none" || + elem.style.display === "" && + + // Otherwise, check computed style + // Support: Firefox <=43 - 45 + // Disconnected elements can have computed display: none, so first confirm that elem is + // in the document. + isAttached( elem ) && + + jQuery.css( elem, "display" ) === "none"; + }; + + + +function adjustCSS( elem, prop, valueParts, tween ) { + var adjusted, scale, + maxIterations = 20, + currentValue = tween ? + function() { + return tween.cur(); + } : + function() { + return jQuery.css( elem, prop, "" ); + }, + initial = currentValue(), + unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ), + + // Starting value computation is required for potential unit mismatches + initialInUnit = elem.nodeType && + ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) && + rcssNum.exec( jQuery.css( elem, prop ) ); + + if ( initialInUnit && initialInUnit[ 3 ] !== unit ) { + + // Support: Firefox <=54 + // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144) + initial = initial / 2; + + // Trust units reported by jQuery.css + unit = unit || initialInUnit[ 3 ]; + + // Iteratively approximate from a nonzero starting point + initialInUnit = +initial || 1; + + while ( maxIterations-- ) { + + // Evaluate and update our best guess (doubling guesses that zero out). + // Finish if the scale equals or crosses 1 (making the old*new product non-positive). + jQuery.style( elem, prop, initialInUnit + unit ); + if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) { + maxIterations = 0; + } + initialInUnit = initialInUnit / scale; + + } + + initialInUnit = initialInUnit * 2; + jQuery.style( elem, prop, initialInUnit + unit ); + + // Make sure we update the tween properties later on + valueParts = valueParts || []; + } + + if ( valueParts ) { + initialInUnit = +initialInUnit || +initial || 0; + + // Apply relative offset (+=/-=) if specified + adjusted = valueParts[ 1 ] ? + initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] : + +valueParts[ 2 ]; + if ( tween ) { + tween.unit = unit; + tween.start = initialInUnit; + tween.end = adjusted; + } + } + return adjusted; +} + + +var defaultDisplayMap = {}; + +function getDefaultDisplay( elem ) { + var temp, + doc = elem.ownerDocument, + nodeName = elem.nodeName, + display = defaultDisplayMap[ nodeName ]; + + if ( display ) { + return display; + } + + temp = doc.body.appendChild( doc.createElement( nodeName ) ); + display = jQuery.css( temp, "display" ); + + temp.parentNode.removeChild( temp ); + + if ( display === "none" ) { + display = "block"; + } + defaultDisplayMap[ nodeName ] = display; + + return display; +} + +function showHide( elements, show ) { + var display, elem, + values = [], + index = 0, + length = elements.length; + + // Determine new display value for elements that need to change + for ( ; index < length; index++ ) { + elem = elements[ index ]; + if ( !elem.style ) { + continue; + } + + display = elem.style.display; + if ( show ) { + + // Since we force visibility upon cascade-hidden elements, an immediate (and slow) + // check is required in this first loop unless we have a nonempty display value (either + // inline or about-to-be-restored) + if ( display === "none" ) { + values[ index ] = dataPriv.get( elem, "display" ) || null; + if ( !values[ index ] ) { + elem.style.display = ""; + } + } + if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) { + values[ index ] = getDefaultDisplay( elem ); + } + } else { + if ( display !== "none" ) { + values[ index ] = "none"; + + // Remember what we're overwriting + dataPriv.set( elem, "display", display ); + } + } + } + + // Set the display of the elements in a second loop to avoid constant reflow + for ( index = 0; index < length; index++ ) { + if ( values[ index ] != null ) { + elements[ index ].style.display = values[ index ]; + } + } + + return elements; +} + +jQuery.fn.extend( { + show: function() { + return showHide( this, true ); + }, + hide: function() { + return showHide( this ); + }, + toggle: function( state ) { + if ( typeof state === "boolean" ) { + return state ? this.show() : this.hide(); + } + + return this.each( function() { + if ( isHiddenWithinTree( this ) ) { + jQuery( this ).show(); + } else { + jQuery( this ).hide(); + } + } ); + } +} ); +var rcheckableType = ( /^(?:checkbox|radio)$/i ); + +var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i ); + +var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i ); + + + +( function() { + var fragment = document.createDocumentFragment(), + div = fragment.appendChild( document.createElement( "div" ) ), + input = document.createElement( "input" ); + + // Support: Android 4.0 - 4.3 only + // Check state lost if the name is set (#11217) + // Support: Windows Web Apps (WWA) + // `name` and `type` must use .setAttribute for WWA (#14901) + input.setAttribute( "type", "radio" ); + input.setAttribute( "checked", "checked" ); + input.setAttribute( "name", "t" ); + + div.appendChild( input ); + + // Support: Android <=4.1 only + // Older WebKit doesn't clone checked state correctly in fragments + support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked; + + // Support: IE <=11 only + // Make sure textarea (and checkbox) defaultValue is properly cloned + div.innerHTML = ""; + support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue; + + // Support: IE <=9 only + // IE <=9 replaces "; + support.option = !!div.lastChild; +} )(); + + +// We have to close these tags to support XHTML (#13200) +var wrapMap = { + + // XHTML parsers do not magically insert elements in the + // same way that tag soup parsers do. So we cannot shorten + // this by omitting or other required elements. + thead: [ 1, "", "
      " ], + col: [ 2, "", "
      " ], + tr: [ 2, "", "
      " ], + td: [ 3, "", "
      " ], + + _default: [ 0, "", "" ] +}; + +wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; +wrapMap.th = wrapMap.td; + +// Support: IE <=9 only +if ( !support.option ) { + wrapMap.optgroup = wrapMap.option = [ 1, "" ]; +} + + +function getAll( context, tag ) { + + // Support: IE <=9 - 11 only + // Use typeof to avoid zero-argument method invocation on host objects (#15151) + var ret; + + if ( typeof context.getElementsByTagName !== "undefined" ) { + ret = context.getElementsByTagName( tag || "*" ); + + } else if ( typeof context.querySelectorAll !== "undefined" ) { + ret = context.querySelectorAll( tag || "*" ); + + } else { + ret = []; + } + + if ( tag === undefined || tag && nodeName( context, tag ) ) { + return jQuery.merge( [ context ], ret ); + } + + return ret; +} + + +// Mark scripts as having already been evaluated +function setGlobalEval( elems, refElements ) { + var i = 0, + l = elems.length; + + for ( ; i < l; i++ ) { + dataPriv.set( + elems[ i ], + "globalEval", + !refElements || dataPriv.get( refElements[ i ], "globalEval" ) + ); + } +} + + +var rhtml = /<|&#?\w+;/; + +function buildFragment( elems, context, scripts, selection, ignored ) { + var elem, tmp, tag, wrap, attached, j, + fragment = context.createDocumentFragment(), + nodes = [], + i = 0, + l = elems.length; + + for ( ; i < l; i++ ) { + elem = elems[ i ]; + + if ( elem || elem === 0 ) { + + // Add nodes directly + if ( toType( elem ) === "object" ) { + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem ); + + // Convert non-html into a text node + } else if ( !rhtml.test( elem ) ) { + nodes.push( context.createTextNode( elem ) ); + + // Convert html into DOM nodes + } else { + tmp = tmp || fragment.appendChild( context.createElement( "div" ) ); + + // Deserialize a standard representation + tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase(); + wrap = wrapMap[ tag ] || wrapMap._default; + tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ]; + + // Descend through wrappers to the right content + j = wrap[ 0 ]; + while ( j-- ) { + tmp = tmp.lastChild; + } + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + jQuery.merge( nodes, tmp.childNodes ); + + // Remember the top-level container + tmp = fragment.firstChild; + + // Ensure the created nodes are orphaned (#12392) + tmp.textContent = ""; + } + } + } + + // Remove wrapper from fragment + fragment.textContent = ""; + + i = 0; + while ( ( elem = nodes[ i++ ] ) ) { + + // Skip elements already in the context collection (trac-4087) + if ( selection && jQuery.inArray( elem, selection ) > -1 ) { + if ( ignored ) { + ignored.push( elem ); + } + continue; + } + + attached = isAttached( elem ); + + // Append to fragment + tmp = getAll( fragment.appendChild( elem ), "script" ); + + // Preserve script evaluation history + if ( attached ) { + setGlobalEval( tmp ); + } + + // Capture executables + if ( scripts ) { + j = 0; + while ( ( elem = tmp[ j++ ] ) ) { + if ( rscriptType.test( elem.type || "" ) ) { + scripts.push( elem ); + } + } + } + } + + return fragment; +} + + +var rtypenamespace = /^([^.]*)(?:\.(.+)|)/; + +function returnTrue() { + return true; +} + +function returnFalse() { + return false; +} + +// Support: IE <=9 - 11+ +// focus() and blur() are asynchronous, except when they are no-op. +// So expect focus to be synchronous when the element is already active, +// and blur to be synchronous when the element is not already active. +// (focus and blur are always synchronous in other supported browsers, +// this just defines when we can count on it). +function expectSync( elem, type ) { + return ( elem === safeActiveElement() ) === ( type === "focus" ); +} + +// Support: IE <=9 only +// Accessing document.activeElement can throw unexpectedly +// https://bugs.jquery.com/ticket/13393 +function safeActiveElement() { + try { + return document.activeElement; + } catch ( err ) { } +} + +function on( elem, types, selector, data, fn, one ) { + var origFn, type; + + // Types can be a map of types/handlers + if ( typeof types === "object" ) { + + // ( types-Object, selector, data ) + if ( typeof selector !== "string" ) { + + // ( types-Object, data ) + data = data || selector; + selector = undefined; + } + for ( type in types ) { + on( elem, type, selector, data, types[ type ], one ); + } + return elem; + } + + if ( data == null && fn == null ) { + + // ( types, fn ) + fn = selector; + data = selector = undefined; + } else if ( fn == null ) { + if ( typeof selector === "string" ) { + + // ( types, selector, fn ) + fn = data; + data = undefined; + } else { + + // ( types, data, fn ) + fn = data; + data = selector; + selector = undefined; + } + } + if ( fn === false ) { + fn = returnFalse; + } else if ( !fn ) { + return elem; + } + + if ( one === 1 ) { + origFn = fn; + fn = function( event ) { + + // Can use an empty set, since event contains the info + jQuery().off( event ); + return origFn.apply( this, arguments ); + }; + + // Use same guid so caller can remove using origFn + fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ ); + } + return elem.each( function() { + jQuery.event.add( this, types, fn, data, selector ); + } ); +} + +/* + * Helper functions for managing events -- not part of the public interface. + * Props to Dean Edwards' addEvent library for many of the ideas. + */ +jQuery.event = { + + global: {}, + + add: function( elem, types, handler, data, selector ) { + + var handleObjIn, eventHandle, tmp, + events, t, handleObj, + special, handlers, type, namespaces, origType, + elemData = dataPriv.get( elem ); + + // Only attach events to objects that accept data + if ( !acceptData( elem ) ) { + return; + } + + // Caller can pass in an object of custom data in lieu of the handler + if ( handler.handler ) { + handleObjIn = handler; + handler = handleObjIn.handler; + selector = handleObjIn.selector; + } + + // Ensure that invalid selectors throw exceptions at attach time + // Evaluate against documentElement in case elem is a non-element node (e.g., document) + if ( selector ) { + jQuery.find.matchesSelector( documentElement, selector ); + } + + // Make sure that the handler has a unique ID, used to find/remove it later + if ( !handler.guid ) { + handler.guid = jQuery.guid++; + } + + // Init the element's event structure and main handler, if this is the first + if ( !( events = elemData.events ) ) { + events = elemData.events = Object.create( null ); + } + if ( !( eventHandle = elemData.handle ) ) { + eventHandle = elemData.handle = function( e ) { + + // Discard the second event of a jQuery.event.trigger() and + // when an event is called after a page has unloaded + return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ? + jQuery.event.dispatch.apply( elem, arguments ) : undefined; + }; + } + + // Handle multiple events separated by a space + types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; + t = types.length; + while ( t-- ) { + tmp = rtypenamespace.exec( types[ t ] ) || []; + type = origType = tmp[ 1 ]; + namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort(); + + // There *must* be a type, no attaching namespace-only handlers + if ( !type ) { + continue; + } + + // If event changes its type, use the special event handlers for the changed type + special = jQuery.event.special[ type ] || {}; + + // If selector defined, determine special event api type, otherwise given type + type = ( selector ? special.delegateType : special.bindType ) || type; + + // Update special based on newly reset type + special = jQuery.event.special[ type ] || {}; + + // handleObj is passed to all event handlers + handleObj = jQuery.extend( { + type: type, + origType: origType, + data: data, + handler: handler, + guid: handler.guid, + selector: selector, + needsContext: selector && jQuery.expr.match.needsContext.test( selector ), + namespace: namespaces.join( "." ) + }, handleObjIn ); + + // Init the event handler queue if we're the first + if ( !( handlers = events[ type ] ) ) { + handlers = events[ type ] = []; + handlers.delegateCount = 0; + + // Only use addEventListener if the special events handler returns false + if ( !special.setup || + special.setup.call( elem, data, namespaces, eventHandle ) === false ) { + + if ( elem.addEventListener ) { + elem.addEventListener( type, eventHandle ); + } + } + } + + if ( special.add ) { + special.add.call( elem, handleObj ); + + if ( !handleObj.handler.guid ) { + handleObj.handler.guid = handler.guid; + } + } + + // Add to the element's handler list, delegates in front + if ( selector ) { + handlers.splice( handlers.delegateCount++, 0, handleObj ); + } else { + handlers.push( handleObj ); + } + + // Keep track of which events have ever been used, for event optimization + jQuery.event.global[ type ] = true; + } + + }, + + // Detach an event or set of events from an element + remove: function( elem, types, handler, selector, mappedTypes ) { + + var j, origCount, tmp, + events, t, handleObj, + special, handlers, type, namespaces, origType, + elemData = dataPriv.hasData( elem ) && dataPriv.get( elem ); + + if ( !elemData || !( events = elemData.events ) ) { + return; + } + + // Once for each type.namespace in types; type may be omitted + types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; + t = types.length; + while ( t-- ) { + tmp = rtypenamespace.exec( types[ t ] ) || []; + type = origType = tmp[ 1 ]; + namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort(); + + // Unbind all events (on this namespace, if provided) for the element + if ( !type ) { + for ( type in events ) { + jQuery.event.remove( elem, type + types[ t ], handler, selector, true ); + } + continue; + } + + special = jQuery.event.special[ type ] || {}; + type = ( selector ? special.delegateType : special.bindType ) || type; + handlers = events[ type ] || []; + tmp = tmp[ 2 ] && + new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ); + + // Remove matching events + origCount = j = handlers.length; + while ( j-- ) { + handleObj = handlers[ j ]; + + if ( ( mappedTypes || origType === handleObj.origType ) && + ( !handler || handler.guid === handleObj.guid ) && + ( !tmp || tmp.test( handleObj.namespace ) ) && + ( !selector || selector === handleObj.selector || + selector === "**" && handleObj.selector ) ) { + handlers.splice( j, 1 ); + + if ( handleObj.selector ) { + handlers.delegateCount--; + } + if ( special.remove ) { + special.remove.call( elem, handleObj ); + } + } + } + + // Remove generic event handler if we removed something and no more handlers exist + // (avoids potential for endless recursion during removal of special event handlers) + if ( origCount && !handlers.length ) { + if ( !special.teardown || + special.teardown.call( elem, namespaces, elemData.handle ) === false ) { + + jQuery.removeEvent( elem, type, elemData.handle ); + } + + delete events[ type ]; + } + } + + // Remove data and the expando if it's no longer used + if ( jQuery.isEmptyObject( events ) ) { + dataPriv.remove( elem, "handle events" ); + } + }, + + dispatch: function( nativeEvent ) { + + var i, j, ret, matched, handleObj, handlerQueue, + args = new Array( arguments.length ), + + // Make a writable jQuery.Event from the native event object + event = jQuery.event.fix( nativeEvent ), + + handlers = ( + dataPriv.get( this, "events" ) || Object.create( null ) + )[ event.type ] || [], + special = jQuery.event.special[ event.type ] || {}; + + // Use the fix-ed jQuery.Event rather than the (read-only) native event + args[ 0 ] = event; + + for ( i = 1; i < arguments.length; i++ ) { + args[ i ] = arguments[ i ]; + } + + event.delegateTarget = this; + + // Call the preDispatch hook for the mapped type, and let it bail if desired + if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { + return; + } + + // Determine handlers + handlerQueue = jQuery.event.handlers.call( this, event, handlers ); + + // Run delegates first; they may want to stop propagation beneath us + i = 0; + while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) { + event.currentTarget = matched.elem; + + j = 0; + while ( ( handleObj = matched.handlers[ j++ ] ) && + !event.isImmediatePropagationStopped() ) { + + // If the event is namespaced, then each handler is only invoked if it is + // specially universal or its namespaces are a superset of the event's. + if ( !event.rnamespace || handleObj.namespace === false || + event.rnamespace.test( handleObj.namespace ) ) { + + event.handleObj = handleObj; + event.data = handleObj.data; + + ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle || + handleObj.handler ).apply( matched.elem, args ); + + if ( ret !== undefined ) { + if ( ( event.result = ret ) === false ) { + event.preventDefault(); + event.stopPropagation(); + } + } + } + } + } + + // Call the postDispatch hook for the mapped type + if ( special.postDispatch ) { + special.postDispatch.call( this, event ); + } + + return event.result; + }, + + handlers: function( event, handlers ) { + var i, handleObj, sel, matchedHandlers, matchedSelectors, + handlerQueue = [], + delegateCount = handlers.delegateCount, + cur = event.target; + + // Find delegate handlers + if ( delegateCount && + + // Support: IE <=9 + // Black-hole SVG instance trees (trac-13180) + cur.nodeType && + + // Support: Firefox <=42 + // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861) + // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click + // Support: IE 11 only + // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343) + !( event.type === "click" && event.button >= 1 ) ) { + + for ( ; cur !== this; cur = cur.parentNode || this ) { + + // Don't check non-elements (#13208) + // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) + if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) { + matchedHandlers = []; + matchedSelectors = {}; + for ( i = 0; i < delegateCount; i++ ) { + handleObj = handlers[ i ]; + + // Don't conflict with Object.prototype properties (#13203) + sel = handleObj.selector + " "; + + if ( matchedSelectors[ sel ] === undefined ) { + matchedSelectors[ sel ] = handleObj.needsContext ? + jQuery( sel, this ).index( cur ) > -1 : + jQuery.find( sel, this, null, [ cur ] ).length; + } + if ( matchedSelectors[ sel ] ) { + matchedHandlers.push( handleObj ); + } + } + if ( matchedHandlers.length ) { + handlerQueue.push( { elem: cur, handlers: matchedHandlers } ); + } + } + } + } + + // Add the remaining (directly-bound) handlers + cur = this; + if ( delegateCount < handlers.length ) { + handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } ); + } + + return handlerQueue; + }, + + addProp: function( name, hook ) { + Object.defineProperty( jQuery.Event.prototype, name, { + enumerable: true, + configurable: true, + + get: isFunction( hook ) ? + function() { + if ( this.originalEvent ) { + return hook( this.originalEvent ); + } + } : + function() { + if ( this.originalEvent ) { + return this.originalEvent[ name ]; + } + }, + + set: function( value ) { + Object.defineProperty( this, name, { + enumerable: true, + configurable: true, + writable: true, + value: value + } ); + } + } ); + }, + + fix: function( originalEvent ) { + return originalEvent[ jQuery.expando ] ? + originalEvent : + new jQuery.Event( originalEvent ); + }, + + special: { + load: { + + // Prevent triggered image.load events from bubbling to window.load + noBubble: true + }, + click: { + + // Utilize native event to ensure correct state for checkable inputs + setup: function( data ) { + + // For mutual compressibility with _default, replace `this` access with a local var. + // `|| data` is dead code meant only to preserve the variable through minification. + var el = this || data; + + // Claim the first handler + if ( rcheckableType.test( el.type ) && + el.click && nodeName( el, "input" ) ) { + + // dataPriv.set( el, "click", ... ) + leverageNative( el, "click", returnTrue ); + } + + // Return false to allow normal processing in the caller + return false; + }, + trigger: function( data ) { + + // For mutual compressibility with _default, replace `this` access with a local var. + // `|| data` is dead code meant only to preserve the variable through minification. + var el = this || data; + + // Force setup before triggering a click + if ( rcheckableType.test( el.type ) && + el.click && nodeName( el, "input" ) ) { + + leverageNative( el, "click" ); + } + + // Return non-false to allow normal event-path propagation + return true; + }, + + // For cross-browser consistency, suppress native .click() on links + // Also prevent it if we're currently inside a leveraged native-event stack + _default: function( event ) { + var target = event.target; + return rcheckableType.test( target.type ) && + target.click && nodeName( target, "input" ) && + dataPriv.get( target, "click" ) || + nodeName( target, "a" ); + } + }, + + beforeunload: { + postDispatch: function( event ) { + + // Support: Firefox 20+ + // Firefox doesn't alert if the returnValue field is not set. + if ( event.result !== undefined && event.originalEvent ) { + event.originalEvent.returnValue = event.result; + } + } + } + } +}; + +// Ensure the presence of an event listener that handles manually-triggered +// synthetic events by interrupting progress until reinvoked in response to +// *native* events that it fires directly, ensuring that state changes have +// already occurred before other listeners are invoked. +function leverageNative( el, type, expectSync ) { + + // Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add + if ( !expectSync ) { + if ( dataPriv.get( el, type ) === undefined ) { + jQuery.event.add( el, type, returnTrue ); + } + return; + } + + // Register the controller as a special universal handler for all event namespaces + dataPriv.set( el, type, false ); + jQuery.event.add( el, type, { + namespace: false, + handler: function( event ) { + var notAsync, result, + saved = dataPriv.get( this, type ); + + if ( ( event.isTrigger & 1 ) && this[ type ] ) { + + // Interrupt processing of the outer synthetic .trigger()ed event + // Saved data should be false in such cases, but might be a leftover capture object + // from an async native handler (gh-4350) + if ( !saved.length ) { + + // Store arguments for use when handling the inner native event + // There will always be at least one argument (an event object), so this array + // will not be confused with a leftover capture object. + saved = slice.call( arguments ); + dataPriv.set( this, type, saved ); + + // Trigger the native event and capture its result + // Support: IE <=9 - 11+ + // focus() and blur() are asynchronous + notAsync = expectSync( this, type ); + this[ type ](); + result = dataPriv.get( this, type ); + if ( saved !== result || notAsync ) { + dataPriv.set( this, type, false ); + } else { + result = {}; + } + if ( saved !== result ) { + + // Cancel the outer synthetic event + event.stopImmediatePropagation(); + event.preventDefault(); + + // Support: Chrome 86+ + // In Chrome, if an element having a focusout handler is blurred by + // clicking outside of it, it invokes the handler synchronously. If + // that handler calls `.remove()` on the element, the data is cleared, + // leaving `result` undefined. We need to guard against this. + return result && result.value; + } + + // If this is an inner synthetic event for an event with a bubbling surrogate + // (focus or blur), assume that the surrogate already propagated from triggering the + // native event and prevent that from happening again here. + // This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the + // bubbling surrogate propagates *after* the non-bubbling base), but that seems + // less bad than duplication. + } else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) { + event.stopPropagation(); + } + + // If this is a native event triggered above, everything is now in order + // Fire an inner synthetic event with the original arguments + } else if ( saved.length ) { + + // ...and capture the result + dataPriv.set( this, type, { + value: jQuery.event.trigger( + + // Support: IE <=9 - 11+ + // Extend with the prototype to reset the above stopImmediatePropagation() + jQuery.extend( saved[ 0 ], jQuery.Event.prototype ), + saved.slice( 1 ), + this + ) + } ); + + // Abort handling of the native event + event.stopImmediatePropagation(); + } + } + } ); +} + +jQuery.removeEvent = function( elem, type, handle ) { + + // This "if" is needed for plain objects + if ( elem.removeEventListener ) { + elem.removeEventListener( type, handle ); + } +}; + +jQuery.Event = function( src, props ) { + + // Allow instantiation without the 'new' keyword + if ( !( this instanceof jQuery.Event ) ) { + return new jQuery.Event( src, props ); + } + + // Event object + if ( src && src.type ) { + this.originalEvent = src; + this.type = src.type; + + // Events bubbling up the document may have been marked as prevented + // by a handler lower down the tree; reflect the correct value. + this.isDefaultPrevented = src.defaultPrevented || + src.defaultPrevented === undefined && + + // Support: Android <=2.3 only + src.returnValue === false ? + returnTrue : + returnFalse; + + // Create target properties + // Support: Safari <=6 - 7 only + // Target should not be a text node (#504, #13143) + this.target = ( src.target && src.target.nodeType === 3 ) ? + src.target.parentNode : + src.target; + + this.currentTarget = src.currentTarget; + this.relatedTarget = src.relatedTarget; + + // Event type + } else { + this.type = src; + } + + // Put explicitly provided properties onto the event object + if ( props ) { + jQuery.extend( this, props ); + } + + // Create a timestamp if incoming event doesn't have one + this.timeStamp = src && src.timeStamp || Date.now(); + + // Mark it as fixed + this[ jQuery.expando ] = true; +}; + +// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding +// https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html +jQuery.Event.prototype = { + constructor: jQuery.Event, + isDefaultPrevented: returnFalse, + isPropagationStopped: returnFalse, + isImmediatePropagationStopped: returnFalse, + isSimulated: false, + + preventDefault: function() { + var e = this.originalEvent; + + this.isDefaultPrevented = returnTrue; + + if ( e && !this.isSimulated ) { + e.preventDefault(); + } + }, + stopPropagation: function() { + var e = this.originalEvent; + + this.isPropagationStopped = returnTrue; + + if ( e && !this.isSimulated ) { + e.stopPropagation(); + } + }, + stopImmediatePropagation: function() { + var e = this.originalEvent; + + this.isImmediatePropagationStopped = returnTrue; + + if ( e && !this.isSimulated ) { + e.stopImmediatePropagation(); + } + + this.stopPropagation(); + } +}; + +// Includes all common event props including KeyEvent and MouseEvent specific props +jQuery.each( { + altKey: true, + bubbles: true, + cancelable: true, + changedTouches: true, + ctrlKey: true, + detail: true, + eventPhase: true, + metaKey: true, + pageX: true, + pageY: true, + shiftKey: true, + view: true, + "char": true, + code: true, + charCode: true, + key: true, + keyCode: true, + button: true, + buttons: true, + clientX: true, + clientY: true, + offsetX: true, + offsetY: true, + pointerId: true, + pointerType: true, + screenX: true, + screenY: true, + targetTouches: true, + toElement: true, + touches: true, + which: true +}, jQuery.event.addProp ); + +jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) { + jQuery.event.special[ type ] = { + + // Utilize native event if possible so blur/focus sequence is correct + setup: function() { + + // Claim the first handler + // dataPriv.set( this, "focus", ... ) + // dataPriv.set( this, "blur", ... ) + leverageNative( this, type, expectSync ); + + // Return false to allow normal processing in the caller + return false; + }, + trigger: function() { + + // Force setup before trigger + leverageNative( this, type ); + + // Return non-false to allow normal event-path propagation + return true; + }, + + // Suppress native focus or blur as it's already being fired + // in leverageNative. + _default: function() { + return true; + }, + + delegateType: delegateType + }; +} ); + +// Create mouseenter/leave events using mouseover/out and event-time checks +// so that event delegation works in jQuery. +// Do the same for pointerenter/pointerleave and pointerover/pointerout +// +// Support: Safari 7 only +// Safari sends mouseenter too often; see: +// https://bugs.chromium.org/p/chromium/issues/detail?id=470258 +// for the description of the bug (it existed in older Chrome versions as well). +jQuery.each( { + mouseenter: "mouseover", + mouseleave: "mouseout", + pointerenter: "pointerover", + pointerleave: "pointerout" +}, function( orig, fix ) { + jQuery.event.special[ orig ] = { + delegateType: fix, + bindType: fix, + + handle: function( event ) { + var ret, + target = this, + related = event.relatedTarget, + handleObj = event.handleObj; + + // For mouseenter/leave call the handler if related is outside the target. + // NB: No relatedTarget if the mouse left/entered the browser window + if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) { + event.type = handleObj.origType; + ret = handleObj.handler.apply( this, arguments ); + event.type = fix; + } + return ret; + } + }; +} ); + +jQuery.fn.extend( { + + on: function( types, selector, data, fn ) { + return on( this, types, selector, data, fn ); + }, + one: function( types, selector, data, fn ) { + return on( this, types, selector, data, fn, 1 ); + }, + off: function( types, selector, fn ) { + var handleObj, type; + if ( types && types.preventDefault && types.handleObj ) { + + // ( event ) dispatched jQuery.Event + handleObj = types.handleObj; + jQuery( types.delegateTarget ).off( + handleObj.namespace ? + handleObj.origType + "." + handleObj.namespace : + handleObj.origType, + handleObj.selector, + handleObj.handler + ); + return this; + } + if ( typeof types === "object" ) { + + // ( types-object [, selector] ) + for ( type in types ) { + this.off( type, selector, types[ type ] ); + } + return this; + } + if ( selector === false || typeof selector === "function" ) { + + // ( types [, fn] ) + fn = selector; + selector = undefined; + } + if ( fn === false ) { + fn = returnFalse; + } + return this.each( function() { + jQuery.event.remove( this, types, fn, selector ); + } ); + } +} ); + + +var + + // Support: IE <=10 - 11, Edge 12 - 13 only + // In IE/Edge using regex groups here causes severe slowdowns. + // See https://connect.microsoft.com/IE/feedback/details/1736512/ + rnoInnerhtml = /\s*$/g; + +// Prefer a tbody over its parent table for containing new rows +function manipulationTarget( elem, content ) { + if ( nodeName( elem, "table" ) && + nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) { + + return jQuery( elem ).children( "tbody" )[ 0 ] || elem; + } + + return elem; +} + +// Replace/restore the type attribute of script elements for safe DOM manipulation +function disableScript( elem ) { + elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type; + return elem; +} +function restoreScript( elem ) { + if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) { + elem.type = elem.type.slice( 5 ); + } else { + elem.removeAttribute( "type" ); + } + + return elem; +} + +function cloneCopyEvent( src, dest ) { + var i, l, type, pdataOld, udataOld, udataCur, events; + + if ( dest.nodeType !== 1 ) { + return; + } + + // 1. Copy private data: events, handlers, etc. + if ( dataPriv.hasData( src ) ) { + pdataOld = dataPriv.get( src ); + events = pdataOld.events; + + if ( events ) { + dataPriv.remove( dest, "handle events" ); + + for ( type in events ) { + for ( i = 0, l = events[ type ].length; i < l; i++ ) { + jQuery.event.add( dest, type, events[ type ][ i ] ); + } + } + } + } + + // 2. Copy user data + if ( dataUser.hasData( src ) ) { + udataOld = dataUser.access( src ); + udataCur = jQuery.extend( {}, udataOld ); + + dataUser.set( dest, udataCur ); + } +} + +// Fix IE bugs, see support tests +function fixInput( src, dest ) { + var nodeName = dest.nodeName.toLowerCase(); + + // Fails to persist the checked state of a cloned checkbox or radio button. + if ( nodeName === "input" && rcheckableType.test( src.type ) ) { + dest.checked = src.checked; + + // Fails to return the selected option to the default selected state when cloning options + } else if ( nodeName === "input" || nodeName === "textarea" ) { + dest.defaultValue = src.defaultValue; + } +} + +function domManip( collection, args, callback, ignored ) { + + // Flatten any nested arrays + args = flat( args ); + + var fragment, first, scripts, hasScripts, node, doc, + i = 0, + l = collection.length, + iNoClone = l - 1, + value = args[ 0 ], + valueIsFunction = isFunction( value ); + + // We can't cloneNode fragments that contain checked, in WebKit + if ( valueIsFunction || + ( l > 1 && typeof value === "string" && + !support.checkClone && rchecked.test( value ) ) ) { + return collection.each( function( index ) { + var self = collection.eq( index ); + if ( valueIsFunction ) { + args[ 0 ] = value.call( this, index, self.html() ); + } + domManip( self, args, callback, ignored ); + } ); + } + + if ( l ) { + fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored ); + first = fragment.firstChild; + + if ( fragment.childNodes.length === 1 ) { + fragment = first; + } + + // Require either new content or an interest in ignored elements to invoke the callback + if ( first || ignored ) { + scripts = jQuery.map( getAll( fragment, "script" ), disableScript ); + hasScripts = scripts.length; + + // Use the original fragment for the last item + // instead of the first because it can end up + // being emptied incorrectly in certain situations (#8070). + for ( ; i < l; i++ ) { + node = fragment; + + if ( i !== iNoClone ) { + node = jQuery.clone( node, true, true ); + + // Keep references to cloned scripts for later restoration + if ( hasScripts ) { + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + jQuery.merge( scripts, getAll( node, "script" ) ); + } + } + + callback.call( collection[ i ], node, i ); + } + + if ( hasScripts ) { + doc = scripts[ scripts.length - 1 ].ownerDocument; + + // Reenable scripts + jQuery.map( scripts, restoreScript ); + + // Evaluate executable scripts on first document insertion + for ( i = 0; i < hasScripts; i++ ) { + node = scripts[ i ]; + if ( rscriptType.test( node.type || "" ) && + !dataPriv.access( node, "globalEval" ) && + jQuery.contains( doc, node ) ) { + + if ( node.src && ( node.type || "" ).toLowerCase() !== "module" ) { + + // Optional AJAX dependency, but won't run scripts if not present + if ( jQuery._evalUrl && !node.noModule ) { + jQuery._evalUrl( node.src, { + nonce: node.nonce || node.getAttribute( "nonce" ) + }, doc ); + } + } else { + DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc ); + } + } + } + } + } + } + + return collection; +} + +function remove( elem, selector, keepData ) { + var node, + nodes = selector ? jQuery.filter( selector, elem ) : elem, + i = 0; + + for ( ; ( node = nodes[ i ] ) != null; i++ ) { + if ( !keepData && node.nodeType === 1 ) { + jQuery.cleanData( getAll( node ) ); + } + + if ( node.parentNode ) { + if ( keepData && isAttached( node ) ) { + setGlobalEval( getAll( node, "script" ) ); + } + node.parentNode.removeChild( node ); + } + } + + return elem; +} + +jQuery.extend( { + htmlPrefilter: function( html ) { + return html; + }, + + clone: function( elem, dataAndEvents, deepDataAndEvents ) { + var i, l, srcElements, destElements, + clone = elem.cloneNode( true ), + inPage = isAttached( elem ); + + // Fix IE cloning issues + if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) && + !jQuery.isXMLDoc( elem ) ) { + + // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2 + destElements = getAll( clone ); + srcElements = getAll( elem ); + + for ( i = 0, l = srcElements.length; i < l; i++ ) { + fixInput( srcElements[ i ], destElements[ i ] ); + } + } + + // Copy the events from the original to the clone + if ( dataAndEvents ) { + if ( deepDataAndEvents ) { + srcElements = srcElements || getAll( elem ); + destElements = destElements || getAll( clone ); + + for ( i = 0, l = srcElements.length; i < l; i++ ) { + cloneCopyEvent( srcElements[ i ], destElements[ i ] ); + } + } else { + cloneCopyEvent( elem, clone ); + } + } + + // Preserve script evaluation history + destElements = getAll( clone, "script" ); + if ( destElements.length > 0 ) { + setGlobalEval( destElements, !inPage && getAll( elem, "script" ) ); + } + + // Return the cloned set + return clone; + }, + + cleanData: function( elems ) { + var data, elem, type, + special = jQuery.event.special, + i = 0; + + for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) { + if ( acceptData( elem ) ) { + if ( ( data = elem[ dataPriv.expando ] ) ) { + if ( data.events ) { + for ( type in data.events ) { + if ( special[ type ] ) { + jQuery.event.remove( elem, type ); + + // This is a shortcut to avoid jQuery.event.remove's overhead + } else { + jQuery.removeEvent( elem, type, data.handle ); + } + } + } + + // Support: Chrome <=35 - 45+ + // Assign undefined instead of using delete, see Data#remove + elem[ dataPriv.expando ] = undefined; + } + if ( elem[ dataUser.expando ] ) { + + // Support: Chrome <=35 - 45+ + // Assign undefined instead of using delete, see Data#remove + elem[ dataUser.expando ] = undefined; + } + } + } + } +} ); + +jQuery.fn.extend( { + detach: function( selector ) { + return remove( this, selector, true ); + }, + + remove: function( selector ) { + return remove( this, selector ); + }, + + text: function( value ) { + return access( this, function( value ) { + return value === undefined ? + jQuery.text( this ) : + this.empty().each( function() { + if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { + this.textContent = value; + } + } ); + }, null, value, arguments.length ); + }, + + append: function() { + return domManip( this, arguments, function( elem ) { + if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { + var target = manipulationTarget( this, elem ); + target.appendChild( elem ); + } + } ); + }, + + prepend: function() { + return domManip( this, arguments, function( elem ) { + if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { + var target = manipulationTarget( this, elem ); + target.insertBefore( elem, target.firstChild ); + } + } ); + }, + + before: function() { + return domManip( this, arguments, function( elem ) { + if ( this.parentNode ) { + this.parentNode.insertBefore( elem, this ); + } + } ); + }, + + after: function() { + return domManip( this, arguments, function( elem ) { + if ( this.parentNode ) { + this.parentNode.insertBefore( elem, this.nextSibling ); + } + } ); + }, + + empty: function() { + var elem, + i = 0; + + for ( ; ( elem = this[ i ] ) != null; i++ ) { + if ( elem.nodeType === 1 ) { + + // Prevent memory leaks + jQuery.cleanData( getAll( elem, false ) ); + + // Remove any remaining nodes + elem.textContent = ""; + } + } + + return this; + }, + + clone: function( dataAndEvents, deepDataAndEvents ) { + dataAndEvents = dataAndEvents == null ? false : dataAndEvents; + deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents; + + return this.map( function() { + return jQuery.clone( this, dataAndEvents, deepDataAndEvents ); + } ); + }, + + html: function( value ) { + return access( this, function( value ) { + var elem = this[ 0 ] || {}, + i = 0, + l = this.length; + + if ( value === undefined && elem.nodeType === 1 ) { + return elem.innerHTML; + } + + // See if we can take a shortcut and just use innerHTML + if ( typeof value === "string" && !rnoInnerhtml.test( value ) && + !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) { + + value = jQuery.htmlPrefilter( value ); + + try { + for ( ; i < l; i++ ) { + elem = this[ i ] || {}; + + // Remove element nodes and prevent memory leaks + if ( elem.nodeType === 1 ) { + jQuery.cleanData( getAll( elem, false ) ); + elem.innerHTML = value; + } + } + + elem = 0; + + // If using innerHTML throws an exception, use the fallback method + } catch ( e ) {} + } + + if ( elem ) { + this.empty().append( value ); + } + }, null, value, arguments.length ); + }, + + replaceWith: function() { + var ignored = []; + + // Make the changes, replacing each non-ignored context element with the new content + return domManip( this, arguments, function( elem ) { + var parent = this.parentNode; + + if ( jQuery.inArray( this, ignored ) < 0 ) { + jQuery.cleanData( getAll( this ) ); + if ( parent ) { + parent.replaceChild( elem, this ); + } + } + + // Force callback invocation + }, ignored ); + } +} ); + +jQuery.each( { + appendTo: "append", + prependTo: "prepend", + insertBefore: "before", + insertAfter: "after", + replaceAll: "replaceWith" +}, function( name, original ) { + jQuery.fn[ name ] = function( selector ) { + var elems, + ret = [], + insert = jQuery( selector ), + last = insert.length - 1, + i = 0; + + for ( ; i <= last; i++ ) { + elems = i === last ? this : this.clone( true ); + jQuery( insert[ i ] )[ original ]( elems ); + + // Support: Android <=4.0 only, PhantomJS 1 only + // .get() because push.apply(_, arraylike) throws on ancient WebKit + push.apply( ret, elems.get() ); + } + + return this.pushStack( ret ); + }; +} ); +var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" ); + +var getStyles = function( elem ) { + + // Support: IE <=11 only, Firefox <=30 (#15098, #14150) + // IE throws on elements created in popups + // FF meanwhile throws on frame elements through "defaultView.getComputedStyle" + var view = elem.ownerDocument.defaultView; + + if ( !view || !view.opener ) { + view = window; + } + + return view.getComputedStyle( elem ); + }; + +var swap = function( elem, options, callback ) { + var ret, name, + old = {}; + + // Remember the old values, and insert the new ones + for ( name in options ) { + old[ name ] = elem.style[ name ]; + elem.style[ name ] = options[ name ]; + } + + ret = callback.call( elem ); + + // Revert the old values + for ( name in options ) { + elem.style[ name ] = old[ name ]; + } + + return ret; +}; + + +var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" ); + + + +( function() { + + // Executing both pixelPosition & boxSizingReliable tests require only one layout + // so they're executed at the same time to save the second computation. + function computeStyleTests() { + + // This is a singleton, we need to execute it only once + if ( !div ) { + return; + } + + container.style.cssText = "position:absolute;left:-11111px;width:60px;" + + "margin-top:1px;padding:0;border:0"; + div.style.cssText = + "position:relative;display:block;box-sizing:border-box;overflow:scroll;" + + "margin:auto;border:1px;padding:1px;" + + "width:60%;top:1%"; + documentElement.appendChild( container ).appendChild( div ); + + var divStyle = window.getComputedStyle( div ); + pixelPositionVal = divStyle.top !== "1%"; + + // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44 + reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12; + + // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3 + // Some styles come back with percentage values, even though they shouldn't + div.style.right = "60%"; + pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36; + + // Support: IE 9 - 11 only + // Detect misreporting of content dimensions for box-sizing:border-box elements + boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36; + + // Support: IE 9 only + // Detect overflow:scroll screwiness (gh-3699) + // Support: Chrome <=64 + // Don't get tricked when zoom affects offsetWidth (gh-4029) + div.style.position = "absolute"; + scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12; + + documentElement.removeChild( container ); + + // Nullify the div so it wouldn't be stored in the memory and + // it will also be a sign that checks already performed + div = null; + } + + function roundPixelMeasures( measure ) { + return Math.round( parseFloat( measure ) ); + } + + var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal, + reliableTrDimensionsVal, reliableMarginLeftVal, + container = document.createElement( "div" ), + div = document.createElement( "div" ); + + // Finish early in limited (non-browser) environments + if ( !div.style ) { + return; + } + + // Support: IE <=9 - 11 only + // Style of cloned element affects source element cloned (#8908) + div.style.backgroundClip = "content-box"; + div.cloneNode( true ).style.backgroundClip = ""; + support.clearCloneStyle = div.style.backgroundClip === "content-box"; + + jQuery.extend( support, { + boxSizingReliable: function() { + computeStyleTests(); + return boxSizingReliableVal; + }, + pixelBoxStyles: function() { + computeStyleTests(); + return pixelBoxStylesVal; + }, + pixelPosition: function() { + computeStyleTests(); + return pixelPositionVal; + }, + reliableMarginLeft: function() { + computeStyleTests(); + return reliableMarginLeftVal; + }, + scrollboxSize: function() { + computeStyleTests(); + return scrollboxSizeVal; + }, + + // Support: IE 9 - 11+, Edge 15 - 18+ + // IE/Edge misreport `getComputedStyle` of table rows with width/height + // set in CSS while `offset*` properties report correct values. + // Behavior in IE 9 is more subtle than in newer versions & it passes + // some versions of this test; make sure not to make it pass there! + // + // Support: Firefox 70+ + // Only Firefox includes border widths + // in computed dimensions. (gh-4529) + reliableTrDimensions: function() { + var table, tr, trChild, trStyle; + if ( reliableTrDimensionsVal == null ) { + table = document.createElement( "table" ); + tr = document.createElement( "tr" ); + trChild = document.createElement( "div" ); + + table.style.cssText = "position:absolute;left:-11111px;border-collapse:separate"; + tr.style.cssText = "border:1px solid"; + + // Support: Chrome 86+ + // Height set through cssText does not get applied. + // Computed height then comes back as 0. + tr.style.height = "1px"; + trChild.style.height = "9px"; + + // Support: Android 8 Chrome 86+ + // In our bodyBackground.html iframe, + // display for all div elements is set to "inline", + // which causes a problem only in Android 8 Chrome 86. + // Ensuring the div is display: block + // gets around this issue. + trChild.style.display = "block"; + + documentElement + .appendChild( table ) + .appendChild( tr ) + .appendChild( trChild ); + + trStyle = window.getComputedStyle( tr ); + reliableTrDimensionsVal = ( parseInt( trStyle.height, 10 ) + + parseInt( trStyle.borderTopWidth, 10 ) + + parseInt( trStyle.borderBottomWidth, 10 ) ) === tr.offsetHeight; + + documentElement.removeChild( table ); + } + return reliableTrDimensionsVal; + } + } ); +} )(); + + +function curCSS( elem, name, computed ) { + var width, minWidth, maxWidth, ret, + + // Support: Firefox 51+ + // Retrieving style before computed somehow + // fixes an issue with getting wrong values + // on detached elements + style = elem.style; + + computed = computed || getStyles( elem ); + + // getPropertyValue is needed for: + // .css('filter') (IE 9 only, #12537) + // .css('--customProperty) (#3144) + if ( computed ) { + ret = computed.getPropertyValue( name ) || computed[ name ]; + + if ( ret === "" && !isAttached( elem ) ) { + ret = jQuery.style( elem, name ); + } + + // A tribute to the "awesome hack by Dean Edwards" + // Android Browser returns percentage for some values, + // but width seems to be reliably pixels. + // This is against the CSSOM draft spec: + // https://drafts.csswg.org/cssom/#resolved-values + if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) { + + // Remember the original values + width = style.width; + minWidth = style.minWidth; + maxWidth = style.maxWidth; + + // Put in the new values to get a computed value out + style.minWidth = style.maxWidth = style.width = ret; + ret = computed.width; + + // Revert the changed values + style.width = width; + style.minWidth = minWidth; + style.maxWidth = maxWidth; + } + } + + return ret !== undefined ? + + // Support: IE <=9 - 11 only + // IE returns zIndex value as an integer. + ret + "" : + ret; +} + + +function addGetHookIf( conditionFn, hookFn ) { + + // Define the hook, we'll check on the first run if it's really needed. + return { + get: function() { + if ( conditionFn() ) { + + // Hook not needed (or it's not possible to use it due + // to missing dependency), remove it. + delete this.get; + return; + } + + // Hook needed; redefine it so that the support test is not executed again. + return ( this.get = hookFn ).apply( this, arguments ); + } + }; +} + + +var cssPrefixes = [ "Webkit", "Moz", "ms" ], + emptyStyle = document.createElement( "div" ).style, + vendorProps = {}; + +// Return a vendor-prefixed property or undefined +function vendorPropName( name ) { + + // Check for vendor prefixed names + var capName = name[ 0 ].toUpperCase() + name.slice( 1 ), + i = cssPrefixes.length; + + while ( i-- ) { + name = cssPrefixes[ i ] + capName; + if ( name in emptyStyle ) { + return name; + } + } +} + +// Return a potentially-mapped jQuery.cssProps or vendor prefixed property +function finalPropName( name ) { + var final = jQuery.cssProps[ name ] || vendorProps[ name ]; + + if ( final ) { + return final; + } + if ( name in emptyStyle ) { + return name; + } + return vendorProps[ name ] = vendorPropName( name ) || name; +} + + +var + + // Swappable if display is none or starts with table + // except "table", "table-cell", or "table-caption" + // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display + rdisplayswap = /^(none|table(?!-c[ea]).+)/, + rcustomProp = /^--/, + cssShow = { position: "absolute", visibility: "hidden", display: "block" }, + cssNormalTransform = { + letterSpacing: "0", + fontWeight: "400" + }; + +function setPositiveNumber( _elem, value, subtract ) { + + // Any relative (+/-) values have already been + // normalized at this point + var matches = rcssNum.exec( value ); + return matches ? + + // Guard against undefined "subtract", e.g., when used as in cssHooks + Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) : + value; +} + +function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) { + var i = dimension === "width" ? 1 : 0, + extra = 0, + delta = 0; + + // Adjustment may not be necessary + if ( box === ( isBorderBox ? "border" : "content" ) ) { + return 0; + } + + for ( ; i < 4; i += 2 ) { + + // Both box models exclude margin + if ( box === "margin" ) { + delta += jQuery.css( elem, box + cssExpand[ i ], true, styles ); + } + + // If we get here with a content-box, we're seeking "padding" or "border" or "margin" + if ( !isBorderBox ) { + + // Add padding + delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); + + // For "border" or "margin", add border + if ( box !== "padding" ) { + delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); + + // But still keep track of it otherwise + } else { + extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); + } + + // If we get here with a border-box (content + padding + border), we're seeking "content" or + // "padding" or "margin" + } else { + + // For "content", subtract padding + if ( box === "content" ) { + delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); + } + + // For "content" or "padding", subtract border + if ( box !== "margin" ) { + delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); + } + } + } + + // Account for positive content-box scroll gutter when requested by providing computedVal + if ( !isBorderBox && computedVal >= 0 ) { + + // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border + // Assuming integer scroll gutter, subtract the rest and round down + delta += Math.max( 0, Math.ceil( + elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] - + computedVal - + delta - + extra - + 0.5 + + // If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter + // Use an explicit zero to avoid NaN (gh-3964) + ) ) || 0; + } + + return delta; +} + +function getWidthOrHeight( elem, dimension, extra ) { + + // Start with computed style + var styles = getStyles( elem ), + + // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322). + // Fake content-box until we know it's needed to know the true value. + boxSizingNeeded = !support.boxSizingReliable() || extra, + isBorderBox = boxSizingNeeded && + jQuery.css( elem, "boxSizing", false, styles ) === "border-box", + valueIsBorderBox = isBorderBox, + + val = curCSS( elem, dimension, styles ), + offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ); + + // Support: Firefox <=54 + // Return a confounding non-pixel value or feign ignorance, as appropriate. + if ( rnumnonpx.test( val ) ) { + if ( !extra ) { + return val; + } + val = "auto"; + } + + + // Support: IE 9 - 11 only + // Use offsetWidth/offsetHeight for when box sizing is unreliable. + // In those cases, the computed value can be trusted to be border-box. + if ( ( !support.boxSizingReliable() && isBorderBox || + + // Support: IE 10 - 11+, Edge 15 - 18+ + // IE/Edge misreport `getComputedStyle` of table rows with width/height + // set in CSS while `offset*` properties report correct values. + // Interestingly, in some cases IE 9 doesn't suffer from this issue. + !support.reliableTrDimensions() && nodeName( elem, "tr" ) || + + // Fall back to offsetWidth/offsetHeight when value is "auto" + // This happens for inline elements with no explicit setting (gh-3571) + val === "auto" || + + // Support: Android <=4.1 - 4.3 only + // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602) + !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) && + + // Make sure the element is visible & connected + elem.getClientRects().length ) { + + isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box"; + + // Where available, offsetWidth/offsetHeight approximate border box dimensions. + // Where not available (e.g., SVG), assume unreliable box-sizing and interpret the + // retrieved value as a content box dimension. + valueIsBorderBox = offsetProp in elem; + if ( valueIsBorderBox ) { + val = elem[ offsetProp ]; + } + } + + // Normalize "" and auto + val = parseFloat( val ) || 0; + + // Adjust for the element's box model + return ( val + + boxModelAdjustment( + elem, + dimension, + extra || ( isBorderBox ? "border" : "content" ), + valueIsBorderBox, + styles, + + // Provide the current computed size to request scroll gutter calculation (gh-3589) + val + ) + ) + "px"; +} + +jQuery.extend( { + + // Add in style property hooks for overriding the default + // behavior of getting and setting a style property + cssHooks: { + opacity: { + get: function( elem, computed ) { + if ( computed ) { + + // We should always get a number back from opacity + var ret = curCSS( elem, "opacity" ); + return ret === "" ? "1" : ret; + } + } + } + }, + + // Don't automatically add "px" to these possibly-unitless properties + cssNumber: { + "animationIterationCount": true, + "columnCount": true, + "fillOpacity": true, + "flexGrow": true, + "flexShrink": true, + "fontWeight": true, + "gridArea": true, + "gridColumn": true, + "gridColumnEnd": true, + "gridColumnStart": true, + "gridRow": true, + "gridRowEnd": true, + "gridRowStart": true, + "lineHeight": true, + "opacity": true, + "order": true, + "orphans": true, + "widows": true, + "zIndex": true, + "zoom": true + }, + + // Add in properties whose names you wish to fix before + // setting or getting the value + cssProps: {}, + + // Get and set the style property on a DOM Node + style: function( elem, name, value, extra ) { + + // Don't set styles on text and comment nodes + if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) { + return; + } + + // Make sure that we're working with the right name + var ret, type, hooks, + origName = camelCase( name ), + isCustomProp = rcustomProp.test( name ), + style = elem.style; + + // Make sure that we're working with the right name. We don't + // want to query the value if it is a CSS custom property + // since they are user-defined. + if ( !isCustomProp ) { + name = finalPropName( origName ); + } + + // Gets hook for the prefixed version, then unprefixed version + hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; + + // Check if we're setting a value + if ( value !== undefined ) { + type = typeof value; + + // Convert "+=" or "-=" to relative numbers (#7345) + if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) { + value = adjustCSS( elem, name, ret ); + + // Fixes bug #9237 + type = "number"; + } + + // Make sure that null and NaN values aren't set (#7116) + if ( value == null || value !== value ) { + return; + } + + // If a number was passed in, add the unit (except for certain CSS properties) + // The isCustomProp check can be removed in jQuery 4.0 when we only auto-append + // "px" to a few hardcoded values. + if ( type === "number" && !isCustomProp ) { + value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" ); + } + + // background-* props affect original clone's values + if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) { + style[ name ] = "inherit"; + } + + // If a hook was provided, use that value, otherwise just set the specified value + if ( !hooks || !( "set" in hooks ) || + ( value = hooks.set( elem, value, extra ) ) !== undefined ) { + + if ( isCustomProp ) { + style.setProperty( name, value ); + } else { + style[ name ] = value; + } + } + + } else { + + // If a hook was provided get the non-computed value from there + if ( hooks && "get" in hooks && + ( ret = hooks.get( elem, false, extra ) ) !== undefined ) { + + return ret; + } + + // Otherwise just get the value from the style object + return style[ name ]; + } + }, + + css: function( elem, name, extra, styles ) { + var val, num, hooks, + origName = camelCase( name ), + isCustomProp = rcustomProp.test( name ); + + // Make sure that we're working with the right name. We don't + // want to modify the value if it is a CSS custom property + // since they are user-defined. + if ( !isCustomProp ) { + name = finalPropName( origName ); + } + + // Try prefixed name followed by the unprefixed name + hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; + + // If a hook was provided get the computed value from there + if ( hooks && "get" in hooks ) { + val = hooks.get( elem, true, extra ); + } + + // Otherwise, if a way to get the computed value exists, use that + if ( val === undefined ) { + val = curCSS( elem, name, styles ); + } + + // Convert "normal" to computed value + if ( val === "normal" && name in cssNormalTransform ) { + val = cssNormalTransform[ name ]; + } + + // Make numeric if forced or a qualifier was provided and val looks numeric + if ( extra === "" || extra ) { + num = parseFloat( val ); + return extra === true || isFinite( num ) ? num || 0 : val; + } + + return val; + } +} ); + +jQuery.each( [ "height", "width" ], function( _i, dimension ) { + jQuery.cssHooks[ dimension ] = { + get: function( elem, computed, extra ) { + if ( computed ) { + + // Certain elements can have dimension info if we invisibly show them + // but it must have a current display style that would benefit + return rdisplayswap.test( jQuery.css( elem, "display" ) ) && + + // Support: Safari 8+ + // Table columns in Safari have non-zero offsetWidth & zero + // getBoundingClientRect().width unless display is changed. + // Support: IE <=11 only + // Running getBoundingClientRect on a disconnected node + // in IE throws an error. + ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ? + swap( elem, cssShow, function() { + return getWidthOrHeight( elem, dimension, extra ); + } ) : + getWidthOrHeight( elem, dimension, extra ); + } + }, + + set: function( elem, value, extra ) { + var matches, + styles = getStyles( elem ), + + // Only read styles.position if the test has a chance to fail + // to avoid forcing a reflow. + scrollboxSizeBuggy = !support.scrollboxSize() && + styles.position === "absolute", + + // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991) + boxSizingNeeded = scrollboxSizeBuggy || extra, + isBorderBox = boxSizingNeeded && + jQuery.css( elem, "boxSizing", false, styles ) === "border-box", + subtract = extra ? + boxModelAdjustment( + elem, + dimension, + extra, + isBorderBox, + styles + ) : + 0; + + // Account for unreliable border-box dimensions by comparing offset* to computed and + // faking a content-box to get border and padding (gh-3699) + if ( isBorderBox && scrollboxSizeBuggy ) { + subtract -= Math.ceil( + elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] - + parseFloat( styles[ dimension ] ) - + boxModelAdjustment( elem, dimension, "border", false, styles ) - + 0.5 + ); + } + + // Convert to pixels if value adjustment is needed + if ( subtract && ( matches = rcssNum.exec( value ) ) && + ( matches[ 3 ] || "px" ) !== "px" ) { + + elem.style[ dimension ] = value; + value = jQuery.css( elem, dimension ); + } + + return setPositiveNumber( elem, value, subtract ); + } + }; +} ); + +jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft, + function( elem, computed ) { + if ( computed ) { + return ( parseFloat( curCSS( elem, "marginLeft" ) ) || + elem.getBoundingClientRect().left - + swap( elem, { marginLeft: 0 }, function() { + return elem.getBoundingClientRect().left; + } ) + ) + "px"; + } + } +); + +// These hooks are used by animate to expand properties +jQuery.each( { + margin: "", + padding: "", + border: "Width" +}, function( prefix, suffix ) { + jQuery.cssHooks[ prefix + suffix ] = { + expand: function( value ) { + var i = 0, + expanded = {}, + + // Assumes a single number if not a string + parts = typeof value === "string" ? value.split( " " ) : [ value ]; + + for ( ; i < 4; i++ ) { + expanded[ prefix + cssExpand[ i ] + suffix ] = + parts[ i ] || parts[ i - 2 ] || parts[ 0 ]; + } + + return expanded; + } + }; + + if ( prefix !== "margin" ) { + jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber; + } +} ); + +jQuery.fn.extend( { + css: function( name, value ) { + return access( this, function( elem, name, value ) { + var styles, len, + map = {}, + i = 0; + + if ( Array.isArray( name ) ) { + styles = getStyles( elem ); + len = name.length; + + for ( ; i < len; i++ ) { + map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles ); + } + + return map; + } + + return value !== undefined ? + jQuery.style( elem, name, value ) : + jQuery.css( elem, name ); + }, name, value, arguments.length > 1 ); + } +} ); + + +function Tween( elem, options, prop, end, easing ) { + return new Tween.prototype.init( elem, options, prop, end, easing ); +} +jQuery.Tween = Tween; + +Tween.prototype = { + constructor: Tween, + init: function( elem, options, prop, end, easing, unit ) { + this.elem = elem; + this.prop = prop; + this.easing = easing || jQuery.easing._default; + this.options = options; + this.start = this.now = this.cur(); + this.end = end; + this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" ); + }, + cur: function() { + var hooks = Tween.propHooks[ this.prop ]; + + return hooks && hooks.get ? + hooks.get( this ) : + Tween.propHooks._default.get( this ); + }, + run: function( percent ) { + var eased, + hooks = Tween.propHooks[ this.prop ]; + + if ( this.options.duration ) { + this.pos = eased = jQuery.easing[ this.easing ]( + percent, this.options.duration * percent, 0, 1, this.options.duration + ); + } else { + this.pos = eased = percent; + } + this.now = ( this.end - this.start ) * eased + this.start; + + if ( this.options.step ) { + this.options.step.call( this.elem, this.now, this ); + } + + if ( hooks && hooks.set ) { + hooks.set( this ); + } else { + Tween.propHooks._default.set( this ); + } + return this; + } +}; + +Tween.prototype.init.prototype = Tween.prototype; + +Tween.propHooks = { + _default: { + get: function( tween ) { + var result; + + // Use a property on the element directly when it is not a DOM element, + // or when there is no matching style property that exists. + if ( tween.elem.nodeType !== 1 || + tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) { + return tween.elem[ tween.prop ]; + } + + // Passing an empty string as a 3rd parameter to .css will automatically + // attempt a parseFloat and fallback to a string if the parse fails. + // Simple values such as "10px" are parsed to Float; + // complex values such as "rotate(1rad)" are returned as-is. + result = jQuery.css( tween.elem, tween.prop, "" ); + + // Empty strings, null, undefined and "auto" are converted to 0. + return !result || result === "auto" ? 0 : result; + }, + set: function( tween ) { + + // Use step hook for back compat. + // Use cssHook if its there. + // Use .style if available and use plain properties where available. + if ( jQuery.fx.step[ tween.prop ] ) { + jQuery.fx.step[ tween.prop ]( tween ); + } else if ( tween.elem.nodeType === 1 && ( + jQuery.cssHooks[ tween.prop ] || + tween.elem.style[ finalPropName( tween.prop ) ] != null ) ) { + jQuery.style( tween.elem, tween.prop, tween.now + tween.unit ); + } else { + tween.elem[ tween.prop ] = tween.now; + } + } + } +}; + +// Support: IE <=9 only +// Panic based approach to setting things on disconnected nodes +Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = { + set: function( tween ) { + if ( tween.elem.nodeType && tween.elem.parentNode ) { + tween.elem[ tween.prop ] = tween.now; + } + } +}; + +jQuery.easing = { + linear: function( p ) { + return p; + }, + swing: function( p ) { + return 0.5 - Math.cos( p * Math.PI ) / 2; + }, + _default: "swing" +}; + +jQuery.fx = Tween.prototype.init; + +// Back compat <1.8 extension point +jQuery.fx.step = {}; + + + + +var + fxNow, inProgress, + rfxtypes = /^(?:toggle|show|hide)$/, + rrun = /queueHooks$/; + +function schedule() { + if ( inProgress ) { + if ( document.hidden === false && window.requestAnimationFrame ) { + window.requestAnimationFrame( schedule ); + } else { + window.setTimeout( schedule, jQuery.fx.interval ); + } + + jQuery.fx.tick(); + } +} + +// Animations created synchronously will run synchronously +function createFxNow() { + window.setTimeout( function() { + fxNow = undefined; + } ); + return ( fxNow = Date.now() ); +} + +// Generate parameters to create a standard animation +function genFx( type, includeWidth ) { + var which, + i = 0, + attrs = { height: type }; + + // If we include width, step value is 1 to do all cssExpand values, + // otherwise step value is 2 to skip over Left and Right + includeWidth = includeWidth ? 1 : 0; + for ( ; i < 4; i += 2 - includeWidth ) { + which = cssExpand[ i ]; + attrs[ "margin" + which ] = attrs[ "padding" + which ] = type; + } + + if ( includeWidth ) { + attrs.opacity = attrs.width = type; + } + + return attrs; +} + +function createTween( value, prop, animation ) { + var tween, + collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ), + index = 0, + length = collection.length; + for ( ; index < length; index++ ) { + if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) { + + // We're done with this property + return tween; + } + } +} + +function defaultPrefilter( elem, props, opts ) { + var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display, + isBox = "width" in props || "height" in props, + anim = this, + orig = {}, + style = elem.style, + hidden = elem.nodeType && isHiddenWithinTree( elem ), + dataShow = dataPriv.get( elem, "fxshow" ); + + // Queue-skipping animations hijack the fx hooks + if ( !opts.queue ) { + hooks = jQuery._queueHooks( elem, "fx" ); + if ( hooks.unqueued == null ) { + hooks.unqueued = 0; + oldfire = hooks.empty.fire; + hooks.empty.fire = function() { + if ( !hooks.unqueued ) { + oldfire(); + } + }; + } + hooks.unqueued++; + + anim.always( function() { + + // Ensure the complete handler is called before this completes + anim.always( function() { + hooks.unqueued--; + if ( !jQuery.queue( elem, "fx" ).length ) { + hooks.empty.fire(); + } + } ); + } ); + } + + // Detect show/hide animations + for ( prop in props ) { + value = props[ prop ]; + if ( rfxtypes.test( value ) ) { + delete props[ prop ]; + toggle = toggle || value === "toggle"; + if ( value === ( hidden ? "hide" : "show" ) ) { + + // Pretend to be hidden if this is a "show" and + // there is still data from a stopped show/hide + if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) { + hidden = true; + + // Ignore all other no-op show/hide data + } else { + continue; + } + } + orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop ); + } + } + + // Bail out if this is a no-op like .hide().hide() + propTween = !jQuery.isEmptyObject( props ); + if ( !propTween && jQuery.isEmptyObject( orig ) ) { + return; + } + + // Restrict "overflow" and "display" styles during box animations + if ( isBox && elem.nodeType === 1 ) { + + // Support: IE <=9 - 11, Edge 12 - 15 + // Record all 3 overflow attributes because IE does not infer the shorthand + // from identically-valued overflowX and overflowY and Edge just mirrors + // the overflowX value there. + opts.overflow = [ style.overflow, style.overflowX, style.overflowY ]; + + // Identify a display type, preferring old show/hide data over the CSS cascade + restoreDisplay = dataShow && dataShow.display; + if ( restoreDisplay == null ) { + restoreDisplay = dataPriv.get( elem, "display" ); + } + display = jQuery.css( elem, "display" ); + if ( display === "none" ) { + if ( restoreDisplay ) { + display = restoreDisplay; + } else { + + // Get nonempty value(s) by temporarily forcing visibility + showHide( [ elem ], true ); + restoreDisplay = elem.style.display || restoreDisplay; + display = jQuery.css( elem, "display" ); + showHide( [ elem ] ); + } + } + + // Animate inline elements as inline-block + if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) { + if ( jQuery.css( elem, "float" ) === "none" ) { + + // Restore the original display value at the end of pure show/hide animations + if ( !propTween ) { + anim.done( function() { + style.display = restoreDisplay; + } ); + if ( restoreDisplay == null ) { + display = style.display; + restoreDisplay = display === "none" ? "" : display; + } + } + style.display = "inline-block"; + } + } + } + + if ( opts.overflow ) { + style.overflow = "hidden"; + anim.always( function() { + style.overflow = opts.overflow[ 0 ]; + style.overflowX = opts.overflow[ 1 ]; + style.overflowY = opts.overflow[ 2 ]; + } ); + } + + // Implement show/hide animations + propTween = false; + for ( prop in orig ) { + + // General show/hide setup for this element animation + if ( !propTween ) { + if ( dataShow ) { + if ( "hidden" in dataShow ) { + hidden = dataShow.hidden; + } + } else { + dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } ); + } + + // Store hidden/visible for toggle so `.stop().toggle()` "reverses" + if ( toggle ) { + dataShow.hidden = !hidden; + } + + // Show elements before animating them + if ( hidden ) { + showHide( [ elem ], true ); + } + + /* eslint-disable no-loop-func */ + + anim.done( function() { + + /* eslint-enable no-loop-func */ + + // The final step of a "hide" animation is actually hiding the element + if ( !hidden ) { + showHide( [ elem ] ); + } + dataPriv.remove( elem, "fxshow" ); + for ( prop in orig ) { + jQuery.style( elem, prop, orig[ prop ] ); + } + } ); + } + + // Per-property setup + propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim ); + if ( !( prop in dataShow ) ) { + dataShow[ prop ] = propTween.start; + if ( hidden ) { + propTween.end = propTween.start; + propTween.start = 0; + } + } + } +} + +function propFilter( props, specialEasing ) { + var index, name, easing, value, hooks; + + // camelCase, specialEasing and expand cssHook pass + for ( index in props ) { + name = camelCase( index ); + easing = specialEasing[ name ]; + value = props[ index ]; + if ( Array.isArray( value ) ) { + easing = value[ 1 ]; + value = props[ index ] = value[ 0 ]; + } + + if ( index !== name ) { + props[ name ] = value; + delete props[ index ]; + } + + hooks = jQuery.cssHooks[ name ]; + if ( hooks && "expand" in hooks ) { + value = hooks.expand( value ); + delete props[ name ]; + + // Not quite $.extend, this won't overwrite existing keys. + // Reusing 'index' because we have the correct "name" + for ( index in value ) { + if ( !( index in props ) ) { + props[ index ] = value[ index ]; + specialEasing[ index ] = easing; + } + } + } else { + specialEasing[ name ] = easing; + } + } +} + +function Animation( elem, properties, options ) { + var result, + stopped, + index = 0, + length = Animation.prefilters.length, + deferred = jQuery.Deferred().always( function() { + + // Don't match elem in the :animated selector + delete tick.elem; + } ), + tick = function() { + if ( stopped ) { + return false; + } + var currentTime = fxNow || createFxNow(), + remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ), + + // Support: Android 2.3 only + // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497) + temp = remaining / animation.duration || 0, + percent = 1 - temp, + index = 0, + length = animation.tweens.length; + + for ( ; index < length; index++ ) { + animation.tweens[ index ].run( percent ); + } + + deferred.notifyWith( elem, [ animation, percent, remaining ] ); + + // If there's more to do, yield + if ( percent < 1 && length ) { + return remaining; + } + + // If this was an empty animation, synthesize a final progress notification + if ( !length ) { + deferred.notifyWith( elem, [ animation, 1, 0 ] ); + } + + // Resolve the animation and report its conclusion + deferred.resolveWith( elem, [ animation ] ); + return false; + }, + animation = deferred.promise( { + elem: elem, + props: jQuery.extend( {}, properties ), + opts: jQuery.extend( true, { + specialEasing: {}, + easing: jQuery.easing._default + }, options ), + originalProperties: properties, + originalOptions: options, + startTime: fxNow || createFxNow(), + duration: options.duration, + tweens: [], + createTween: function( prop, end ) { + var tween = jQuery.Tween( elem, animation.opts, prop, end, + animation.opts.specialEasing[ prop ] || animation.opts.easing ); + animation.tweens.push( tween ); + return tween; + }, + stop: function( gotoEnd ) { + var index = 0, + + // If we are going to the end, we want to run all the tweens + // otherwise we skip this part + length = gotoEnd ? animation.tweens.length : 0; + if ( stopped ) { + return this; + } + stopped = true; + for ( ; index < length; index++ ) { + animation.tweens[ index ].run( 1 ); + } + + // Resolve when we played the last frame; otherwise, reject + if ( gotoEnd ) { + deferred.notifyWith( elem, [ animation, 1, 0 ] ); + deferred.resolveWith( elem, [ animation, gotoEnd ] ); + } else { + deferred.rejectWith( elem, [ animation, gotoEnd ] ); + } + return this; + } + } ), + props = animation.props; + + propFilter( props, animation.opts.specialEasing ); + + for ( ; index < length; index++ ) { + result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts ); + if ( result ) { + if ( isFunction( result.stop ) ) { + jQuery._queueHooks( animation.elem, animation.opts.queue ).stop = + result.stop.bind( result ); + } + return result; + } + } + + jQuery.map( props, createTween, animation ); + + if ( isFunction( animation.opts.start ) ) { + animation.opts.start.call( elem, animation ); + } + + // Attach callbacks from options + animation + .progress( animation.opts.progress ) + .done( animation.opts.done, animation.opts.complete ) + .fail( animation.opts.fail ) + .always( animation.opts.always ); + + jQuery.fx.timer( + jQuery.extend( tick, { + elem: elem, + anim: animation, + queue: animation.opts.queue + } ) + ); + + return animation; +} + +jQuery.Animation = jQuery.extend( Animation, { + + tweeners: { + "*": [ function( prop, value ) { + var tween = this.createTween( prop, value ); + adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween ); + return tween; + } ] + }, + + tweener: function( props, callback ) { + if ( isFunction( props ) ) { + callback = props; + props = [ "*" ]; + } else { + props = props.match( rnothtmlwhite ); + } + + var prop, + index = 0, + length = props.length; + + for ( ; index < length; index++ ) { + prop = props[ index ]; + Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || []; + Animation.tweeners[ prop ].unshift( callback ); + } + }, + + prefilters: [ defaultPrefilter ], + + prefilter: function( callback, prepend ) { + if ( prepend ) { + Animation.prefilters.unshift( callback ); + } else { + Animation.prefilters.push( callback ); + } + } +} ); + +jQuery.speed = function( speed, easing, fn ) { + var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : { + complete: fn || !fn && easing || + isFunction( speed ) && speed, + duration: speed, + easing: fn && easing || easing && !isFunction( easing ) && easing + }; + + // Go to the end state if fx are off + if ( jQuery.fx.off ) { + opt.duration = 0; + + } else { + if ( typeof opt.duration !== "number" ) { + if ( opt.duration in jQuery.fx.speeds ) { + opt.duration = jQuery.fx.speeds[ opt.duration ]; + + } else { + opt.duration = jQuery.fx.speeds._default; + } + } + } + + // Normalize opt.queue - true/undefined/null -> "fx" + if ( opt.queue == null || opt.queue === true ) { + opt.queue = "fx"; + } + + // Queueing + opt.old = opt.complete; + + opt.complete = function() { + if ( isFunction( opt.old ) ) { + opt.old.call( this ); + } + + if ( opt.queue ) { + jQuery.dequeue( this, opt.queue ); + } + }; + + return opt; +}; + +jQuery.fn.extend( { + fadeTo: function( speed, to, easing, callback ) { + + // Show any hidden elements after setting opacity to 0 + return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show() + + // Animate to the value specified + .end().animate( { opacity: to }, speed, easing, callback ); + }, + animate: function( prop, speed, easing, callback ) { + var empty = jQuery.isEmptyObject( prop ), + optall = jQuery.speed( speed, easing, callback ), + doAnimation = function() { + + // Operate on a copy of prop so per-property easing won't be lost + var anim = Animation( this, jQuery.extend( {}, prop ), optall ); + + // Empty animations, or finishing resolves immediately + if ( empty || dataPriv.get( this, "finish" ) ) { + anim.stop( true ); + } + }; + + doAnimation.finish = doAnimation; + + return empty || optall.queue === false ? + this.each( doAnimation ) : + this.queue( optall.queue, doAnimation ); + }, + stop: function( type, clearQueue, gotoEnd ) { + var stopQueue = function( hooks ) { + var stop = hooks.stop; + delete hooks.stop; + stop( gotoEnd ); + }; + + if ( typeof type !== "string" ) { + gotoEnd = clearQueue; + clearQueue = type; + type = undefined; + } + if ( clearQueue ) { + this.queue( type || "fx", [] ); + } + + return this.each( function() { + var dequeue = true, + index = type != null && type + "queueHooks", + timers = jQuery.timers, + data = dataPriv.get( this ); + + if ( index ) { + if ( data[ index ] && data[ index ].stop ) { + stopQueue( data[ index ] ); + } + } else { + for ( index in data ) { + if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) { + stopQueue( data[ index ] ); + } + } + } + + for ( index = timers.length; index--; ) { + if ( timers[ index ].elem === this && + ( type == null || timers[ index ].queue === type ) ) { + + timers[ index ].anim.stop( gotoEnd ); + dequeue = false; + timers.splice( index, 1 ); + } + } + + // Start the next in the queue if the last step wasn't forced. + // Timers currently will call their complete callbacks, which + // will dequeue but only if they were gotoEnd. + if ( dequeue || !gotoEnd ) { + jQuery.dequeue( this, type ); + } + } ); + }, + finish: function( type ) { + if ( type !== false ) { + type = type || "fx"; + } + return this.each( function() { + var index, + data = dataPriv.get( this ), + queue = data[ type + "queue" ], + hooks = data[ type + "queueHooks" ], + timers = jQuery.timers, + length = queue ? queue.length : 0; + + // Enable finishing flag on private data + data.finish = true; + + // Empty the queue first + jQuery.queue( this, type, [] ); + + if ( hooks && hooks.stop ) { + hooks.stop.call( this, true ); + } + + // Look for any active animations, and finish them + for ( index = timers.length; index--; ) { + if ( timers[ index ].elem === this && timers[ index ].queue === type ) { + timers[ index ].anim.stop( true ); + timers.splice( index, 1 ); + } + } + + // Look for any animations in the old queue and finish them + for ( index = 0; index < length; index++ ) { + if ( queue[ index ] && queue[ index ].finish ) { + queue[ index ].finish.call( this ); + } + } + + // Turn off finishing flag + delete data.finish; + } ); + } +} ); + +jQuery.each( [ "toggle", "show", "hide" ], function( _i, name ) { + var cssFn = jQuery.fn[ name ]; + jQuery.fn[ name ] = function( speed, easing, callback ) { + return speed == null || typeof speed === "boolean" ? + cssFn.apply( this, arguments ) : + this.animate( genFx( name, true ), speed, easing, callback ); + }; +} ); + +// Generate shortcuts for custom animations +jQuery.each( { + slideDown: genFx( "show" ), + slideUp: genFx( "hide" ), + slideToggle: genFx( "toggle" ), + fadeIn: { opacity: "show" }, + fadeOut: { opacity: "hide" }, + fadeToggle: { opacity: "toggle" } +}, function( name, props ) { + jQuery.fn[ name ] = function( speed, easing, callback ) { + return this.animate( props, speed, easing, callback ); + }; +} ); + +jQuery.timers = []; +jQuery.fx.tick = function() { + var timer, + i = 0, + timers = jQuery.timers; + + fxNow = Date.now(); + + for ( ; i < timers.length; i++ ) { + timer = timers[ i ]; + + // Run the timer and safely remove it when done (allowing for external removal) + if ( !timer() && timers[ i ] === timer ) { + timers.splice( i--, 1 ); + } + } + + if ( !timers.length ) { + jQuery.fx.stop(); + } + fxNow = undefined; +}; + +jQuery.fx.timer = function( timer ) { + jQuery.timers.push( timer ); + jQuery.fx.start(); +}; + +jQuery.fx.interval = 13; +jQuery.fx.start = function() { + if ( inProgress ) { + return; + } + + inProgress = true; + schedule(); +}; + +jQuery.fx.stop = function() { + inProgress = null; +}; + +jQuery.fx.speeds = { + slow: 600, + fast: 200, + + // Default speed + _default: 400 +}; + + +// Based off of the plugin by Clint Helfers, with permission. +// https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/ +jQuery.fn.delay = function( time, type ) { + time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time; + type = type || "fx"; + + return this.queue( type, function( next, hooks ) { + var timeout = window.setTimeout( next, time ); + hooks.stop = function() { + window.clearTimeout( timeout ); + }; + } ); +}; + + +( function() { + var input = document.createElement( "input" ), + select = document.createElement( "select" ), + opt = select.appendChild( document.createElement( "option" ) ); + + input.type = "checkbox"; + + // Support: Android <=4.3 only + // Default value for a checkbox should be "on" + support.checkOn = input.value !== ""; + + // Support: IE <=11 only + // Must access selectedIndex to make default options select + support.optSelected = opt.selected; + + // Support: IE <=11 only + // An input loses its value after becoming a radio + input = document.createElement( "input" ); + input.value = "t"; + input.type = "radio"; + support.radioValue = input.value === "t"; +} )(); + + +var boolHook, + attrHandle = jQuery.expr.attrHandle; + +jQuery.fn.extend( { + attr: function( name, value ) { + return access( this, jQuery.attr, name, value, arguments.length > 1 ); + }, + + removeAttr: function( name ) { + return this.each( function() { + jQuery.removeAttr( this, name ); + } ); + } +} ); + +jQuery.extend( { + attr: function( elem, name, value ) { + var ret, hooks, + nType = elem.nodeType; + + // Don't get/set attributes on text, comment and attribute nodes + if ( nType === 3 || nType === 8 || nType === 2 ) { + return; + } + + // Fallback to prop when attributes are not supported + if ( typeof elem.getAttribute === "undefined" ) { + return jQuery.prop( elem, name, value ); + } + + // Attribute hooks are determined by the lowercase version + // Grab necessary hook if one is defined + if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { + hooks = jQuery.attrHooks[ name.toLowerCase() ] || + ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined ); + } + + if ( value !== undefined ) { + if ( value === null ) { + jQuery.removeAttr( elem, name ); + return; + } + + if ( hooks && "set" in hooks && + ( ret = hooks.set( elem, value, name ) ) !== undefined ) { + return ret; + } + + elem.setAttribute( name, value + "" ); + return value; + } + + if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { + return ret; + } + + ret = jQuery.find.attr( elem, name ); + + // Non-existent attributes return null, we normalize to undefined + return ret == null ? undefined : ret; + }, + + attrHooks: { + type: { + set: function( elem, value ) { + if ( !support.radioValue && value === "radio" && + nodeName( elem, "input" ) ) { + var val = elem.value; + elem.setAttribute( "type", value ); + if ( val ) { + elem.value = val; + } + return value; + } + } + } + }, + + removeAttr: function( elem, value ) { + var name, + i = 0, + + // Attribute names can contain non-HTML whitespace characters + // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2 + attrNames = value && value.match( rnothtmlwhite ); + + if ( attrNames && elem.nodeType === 1 ) { + while ( ( name = attrNames[ i++ ] ) ) { + elem.removeAttribute( name ); + } + } + } +} ); + +// Hooks for boolean attributes +boolHook = { + set: function( elem, value, name ) { + if ( value === false ) { + + // Remove boolean attributes when set to false + jQuery.removeAttr( elem, name ); + } else { + elem.setAttribute( name, name ); + } + return name; + } +}; + +jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( _i, name ) { + var getter = attrHandle[ name ] || jQuery.find.attr; + + attrHandle[ name ] = function( elem, name, isXML ) { + var ret, handle, + lowercaseName = name.toLowerCase(); + + if ( !isXML ) { + + // Avoid an infinite loop by temporarily removing this function from the getter + handle = attrHandle[ lowercaseName ]; + attrHandle[ lowercaseName ] = ret; + ret = getter( elem, name, isXML ) != null ? + lowercaseName : + null; + attrHandle[ lowercaseName ] = handle; + } + return ret; + }; +} ); + + + + +var rfocusable = /^(?:input|select|textarea|button)$/i, + rclickable = /^(?:a|area)$/i; + +jQuery.fn.extend( { + prop: function( name, value ) { + return access( this, jQuery.prop, name, value, arguments.length > 1 ); + }, + + removeProp: function( name ) { + return this.each( function() { + delete this[ jQuery.propFix[ name ] || name ]; + } ); + } +} ); + +jQuery.extend( { + prop: function( elem, name, value ) { + var ret, hooks, + nType = elem.nodeType; + + // Don't get/set properties on text, comment and attribute nodes + if ( nType === 3 || nType === 8 || nType === 2 ) { + return; + } + + if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { + + // Fix name and attach hooks + name = jQuery.propFix[ name ] || name; + hooks = jQuery.propHooks[ name ]; + } + + if ( value !== undefined ) { + if ( hooks && "set" in hooks && + ( ret = hooks.set( elem, value, name ) ) !== undefined ) { + return ret; + } + + return ( elem[ name ] = value ); + } + + if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { + return ret; + } + + return elem[ name ]; + }, + + propHooks: { + tabIndex: { + get: function( elem ) { + + // Support: IE <=9 - 11 only + // elem.tabIndex doesn't always return the + // correct value when it hasn't been explicitly set + // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/ + // Use proper attribute retrieval(#12072) + var tabindex = jQuery.find.attr( elem, "tabindex" ); + + if ( tabindex ) { + return parseInt( tabindex, 10 ); + } + + if ( + rfocusable.test( elem.nodeName ) || + rclickable.test( elem.nodeName ) && + elem.href + ) { + return 0; + } + + return -1; + } + } + }, + + propFix: { + "for": "htmlFor", + "class": "className" + } +} ); + +// Support: IE <=11 only +// Accessing the selectedIndex property +// forces the browser to respect setting selected +// on the option +// The getter ensures a default option is selected +// when in an optgroup +// eslint rule "no-unused-expressions" is disabled for this code +// since it considers such accessions noop +if ( !support.optSelected ) { + jQuery.propHooks.selected = { + get: function( elem ) { + + /* eslint no-unused-expressions: "off" */ + + var parent = elem.parentNode; + if ( parent && parent.parentNode ) { + parent.parentNode.selectedIndex; + } + return null; + }, + set: function( elem ) { + + /* eslint no-unused-expressions: "off" */ + + var parent = elem.parentNode; + if ( parent ) { + parent.selectedIndex; + + if ( parent.parentNode ) { + parent.parentNode.selectedIndex; + } + } + } + }; +} + +jQuery.each( [ + "tabIndex", + "readOnly", + "maxLength", + "cellSpacing", + "cellPadding", + "rowSpan", + "colSpan", + "useMap", + "frameBorder", + "contentEditable" +], function() { + jQuery.propFix[ this.toLowerCase() ] = this; +} ); + + + + + // Strip and collapse whitespace according to HTML spec + // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace + function stripAndCollapse( value ) { + var tokens = value.match( rnothtmlwhite ) || []; + return tokens.join( " " ); + } + + +function getClass( elem ) { + return elem.getAttribute && elem.getAttribute( "class" ) || ""; +} + +function classesToArray( value ) { + if ( Array.isArray( value ) ) { + return value; + } + if ( typeof value === "string" ) { + return value.match( rnothtmlwhite ) || []; + } + return []; +} + +jQuery.fn.extend( { + addClass: function( value ) { + var classes, elem, cur, curValue, clazz, j, finalValue, + i = 0; + + if ( isFunction( value ) ) { + return this.each( function( j ) { + jQuery( this ).addClass( value.call( this, j, getClass( this ) ) ); + } ); + } + + classes = classesToArray( value ); + + if ( classes.length ) { + while ( ( elem = this[ i++ ] ) ) { + curValue = getClass( elem ); + cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " ); + + if ( cur ) { + j = 0; + while ( ( clazz = classes[ j++ ] ) ) { + if ( cur.indexOf( " " + clazz + " " ) < 0 ) { + cur += clazz + " "; + } + } + + // Only assign if different to avoid unneeded rendering. + finalValue = stripAndCollapse( cur ); + if ( curValue !== finalValue ) { + elem.setAttribute( "class", finalValue ); + } + } + } + } + + return this; + }, + + removeClass: function( value ) { + var classes, elem, cur, curValue, clazz, j, finalValue, + i = 0; + + if ( isFunction( value ) ) { + return this.each( function( j ) { + jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) ); + } ); + } + + if ( !arguments.length ) { + return this.attr( "class", "" ); + } + + classes = classesToArray( value ); + + if ( classes.length ) { + while ( ( elem = this[ i++ ] ) ) { + curValue = getClass( elem ); + + // This expression is here for better compressibility (see addClass) + cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " ); + + if ( cur ) { + j = 0; + while ( ( clazz = classes[ j++ ] ) ) { + + // Remove *all* instances + while ( cur.indexOf( " " + clazz + " " ) > -1 ) { + cur = cur.replace( " " + clazz + " ", " " ); + } + } + + // Only assign if different to avoid unneeded rendering. + finalValue = stripAndCollapse( cur ); + if ( curValue !== finalValue ) { + elem.setAttribute( "class", finalValue ); + } + } + } + } + + return this; + }, + + toggleClass: function( value, stateVal ) { + var type = typeof value, + isValidValue = type === "string" || Array.isArray( value ); + + if ( typeof stateVal === "boolean" && isValidValue ) { + return stateVal ? this.addClass( value ) : this.removeClass( value ); + } + + if ( isFunction( value ) ) { + return this.each( function( i ) { + jQuery( this ).toggleClass( + value.call( this, i, getClass( this ), stateVal ), + stateVal + ); + } ); + } + + return this.each( function() { + var className, i, self, classNames; + + if ( isValidValue ) { + + // Toggle individual class names + i = 0; + self = jQuery( this ); + classNames = classesToArray( value ); + + while ( ( className = classNames[ i++ ] ) ) { + + // Check each className given, space separated list + if ( self.hasClass( className ) ) { + self.removeClass( className ); + } else { + self.addClass( className ); + } + } + + // Toggle whole class name + } else if ( value === undefined || type === "boolean" ) { + className = getClass( this ); + if ( className ) { + + // Store className if set + dataPriv.set( this, "__className__", className ); + } + + // If the element has a class name or if we're passed `false`, + // then remove the whole classname (if there was one, the above saved it). + // Otherwise bring back whatever was previously saved (if anything), + // falling back to the empty string if nothing was stored. + if ( this.setAttribute ) { + this.setAttribute( "class", + className || value === false ? + "" : + dataPriv.get( this, "__className__" ) || "" + ); + } + } + } ); + }, + + hasClass: function( selector ) { + var className, elem, + i = 0; + + className = " " + selector + " "; + while ( ( elem = this[ i++ ] ) ) { + if ( elem.nodeType === 1 && + ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) { + return true; + } + } + + return false; + } +} ); + + + + +var rreturn = /\r/g; + +jQuery.fn.extend( { + val: function( value ) { + var hooks, ret, valueIsFunction, + elem = this[ 0 ]; + + if ( !arguments.length ) { + if ( elem ) { + hooks = jQuery.valHooks[ elem.type ] || + jQuery.valHooks[ elem.nodeName.toLowerCase() ]; + + if ( hooks && + "get" in hooks && + ( ret = hooks.get( elem, "value" ) ) !== undefined + ) { + return ret; + } + + ret = elem.value; + + // Handle most common string cases + if ( typeof ret === "string" ) { + return ret.replace( rreturn, "" ); + } + + // Handle cases where value is null/undef or number + return ret == null ? "" : ret; + } + + return; + } + + valueIsFunction = isFunction( value ); + + return this.each( function( i ) { + var val; + + if ( this.nodeType !== 1 ) { + return; + } + + if ( valueIsFunction ) { + val = value.call( this, i, jQuery( this ).val() ); + } else { + val = value; + } + + // Treat null/undefined as ""; convert numbers to string + if ( val == null ) { + val = ""; + + } else if ( typeof val === "number" ) { + val += ""; + + } else if ( Array.isArray( val ) ) { + val = jQuery.map( val, function( value ) { + return value == null ? "" : value + ""; + } ); + } + + hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ]; + + // If set returns undefined, fall back to normal setting + if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) { + this.value = val; + } + } ); + } +} ); + +jQuery.extend( { + valHooks: { + option: { + get: function( elem ) { + + var val = jQuery.find.attr( elem, "value" ); + return val != null ? + val : + + // Support: IE <=10 - 11 only + // option.text throws exceptions (#14686, #14858) + // Strip and collapse whitespace + // https://html.spec.whatwg.org/#strip-and-collapse-whitespace + stripAndCollapse( jQuery.text( elem ) ); + } + }, + select: { + get: function( elem ) { + var value, option, i, + options = elem.options, + index = elem.selectedIndex, + one = elem.type === "select-one", + values = one ? null : [], + max = one ? index + 1 : options.length; + + if ( index < 0 ) { + i = max; + + } else { + i = one ? index : 0; + } + + // Loop through all the selected options + for ( ; i < max; i++ ) { + option = options[ i ]; + + // Support: IE <=9 only + // IE8-9 doesn't update selected after form reset (#2551) + if ( ( option.selected || i === index ) && + + // Don't return options that are disabled or in a disabled optgroup + !option.disabled && + ( !option.parentNode.disabled || + !nodeName( option.parentNode, "optgroup" ) ) ) { + + // Get the specific value for the option + value = jQuery( option ).val(); + + // We don't need an array for one selects + if ( one ) { + return value; + } + + // Multi-Selects return an array + values.push( value ); + } + } + + return values; + }, + + set: function( elem, value ) { + var optionSet, option, + options = elem.options, + values = jQuery.makeArray( value ), + i = options.length; + + while ( i-- ) { + option = options[ i ]; + + /* eslint-disable no-cond-assign */ + + if ( option.selected = + jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1 + ) { + optionSet = true; + } + + /* eslint-enable no-cond-assign */ + } + + // Force browsers to behave consistently when non-matching value is set + if ( !optionSet ) { + elem.selectedIndex = -1; + } + return values; + } + } + } +} ); + +// Radios and checkboxes getter/setter +jQuery.each( [ "radio", "checkbox" ], function() { + jQuery.valHooks[ this ] = { + set: function( elem, value ) { + if ( Array.isArray( value ) ) { + return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 ); + } + } + }; + if ( !support.checkOn ) { + jQuery.valHooks[ this ].get = function( elem ) { + return elem.getAttribute( "value" ) === null ? "on" : elem.value; + }; + } +} ); + + + + +// Return jQuery for attributes-only inclusion + + +support.focusin = "onfocusin" in window; + + +var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/, + stopPropagationCallback = function( e ) { + e.stopPropagation(); + }; + +jQuery.extend( jQuery.event, { + + trigger: function( event, data, elem, onlyHandlers ) { + + var i, cur, tmp, bubbleType, ontype, handle, special, lastElement, + eventPath = [ elem || document ], + type = hasOwn.call( event, "type" ) ? event.type : event, + namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : []; + + cur = lastElement = tmp = elem = elem || document; + + // Don't do events on text and comment nodes + if ( elem.nodeType === 3 || elem.nodeType === 8 ) { + return; + } + + // focus/blur morphs to focusin/out; ensure we're not firing them right now + if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { + return; + } + + if ( type.indexOf( "." ) > -1 ) { + + // Namespaced trigger; create a regexp to match event type in handle() + namespaces = type.split( "." ); + type = namespaces.shift(); + namespaces.sort(); + } + ontype = type.indexOf( ":" ) < 0 && "on" + type; + + // Caller can pass in a jQuery.Event object, Object, or just an event type string + event = event[ jQuery.expando ] ? + event : + new jQuery.Event( type, typeof event === "object" && event ); + + // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true) + event.isTrigger = onlyHandlers ? 2 : 3; + event.namespace = namespaces.join( "." ); + event.rnamespace = event.namespace ? + new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) : + null; + + // Clean up the event in case it is being reused + event.result = undefined; + if ( !event.target ) { + event.target = elem; + } + + // Clone any incoming data and prepend the event, creating the handler arg list + data = data == null ? + [ event ] : + jQuery.makeArray( data, [ event ] ); + + // Allow special events to draw outside the lines + special = jQuery.event.special[ type ] || {}; + if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { + return; + } + + // Determine event propagation path in advance, per W3C events spec (#9951) + // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) + if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) { + + bubbleType = special.delegateType || type; + if ( !rfocusMorph.test( bubbleType + type ) ) { + cur = cur.parentNode; + } + for ( ; cur; cur = cur.parentNode ) { + eventPath.push( cur ); + tmp = cur; + } + + // Only add window if we got to document (e.g., not plain obj or detached DOM) + if ( tmp === ( elem.ownerDocument || document ) ) { + eventPath.push( tmp.defaultView || tmp.parentWindow || window ); + } + } + + // Fire handlers on the event path + i = 0; + while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) { + lastElement = cur; + event.type = i > 1 ? + bubbleType : + special.bindType || type; + + // jQuery handler + handle = ( dataPriv.get( cur, "events" ) || Object.create( null ) )[ event.type ] && + dataPriv.get( cur, "handle" ); + if ( handle ) { + handle.apply( cur, data ); + } + + // Native handler + handle = ontype && cur[ ontype ]; + if ( handle && handle.apply && acceptData( cur ) ) { + event.result = handle.apply( cur, data ); + if ( event.result === false ) { + event.preventDefault(); + } + } + } + event.type = type; + + // If nobody prevented the default action, do it now + if ( !onlyHandlers && !event.isDefaultPrevented() ) { + + if ( ( !special._default || + special._default.apply( eventPath.pop(), data ) === false ) && + acceptData( elem ) ) { + + // Call a native DOM method on the target with the same name as the event. + // Don't do default actions on window, that's where global variables be (#6170) + if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) { + + // Don't re-trigger an onFOO event when we call its FOO() method + tmp = elem[ ontype ]; + + if ( tmp ) { + elem[ ontype ] = null; + } + + // Prevent re-triggering of the same event, since we already bubbled it above + jQuery.event.triggered = type; + + if ( event.isPropagationStopped() ) { + lastElement.addEventListener( type, stopPropagationCallback ); + } + + elem[ type ](); + + if ( event.isPropagationStopped() ) { + lastElement.removeEventListener( type, stopPropagationCallback ); + } + + jQuery.event.triggered = undefined; + + if ( tmp ) { + elem[ ontype ] = tmp; + } + } + } + } + + return event.result; + }, + + // Piggyback on a donor event to simulate a different one + // Used only for `focus(in | out)` events + simulate: function( type, elem, event ) { + var e = jQuery.extend( + new jQuery.Event(), + event, + { + type: type, + isSimulated: true + } + ); + + jQuery.event.trigger( e, null, elem ); + } + +} ); + +jQuery.fn.extend( { + + trigger: function( type, data ) { + return this.each( function() { + jQuery.event.trigger( type, data, this ); + } ); + }, + triggerHandler: function( type, data ) { + var elem = this[ 0 ]; + if ( elem ) { + return jQuery.event.trigger( type, data, elem, true ); + } + } +} ); + + +// Support: Firefox <=44 +// Firefox doesn't have focus(in | out) events +// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787 +// +// Support: Chrome <=48 - 49, Safari <=9.0 - 9.1 +// focus(in | out) events fire after focus & blur events, +// which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order +// Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857 +if ( !support.focusin ) { + jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) { + + // Attach a single capturing handler on the document while someone wants focusin/focusout + var handler = function( event ) { + jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) ); + }; + + jQuery.event.special[ fix ] = { + setup: function() { + + // Handle: regular nodes (via `this.ownerDocument`), window + // (via `this.document`) & document (via `this`). + var doc = this.ownerDocument || this.document || this, + attaches = dataPriv.access( doc, fix ); + + if ( !attaches ) { + doc.addEventListener( orig, handler, true ); + } + dataPriv.access( doc, fix, ( attaches || 0 ) + 1 ); + }, + teardown: function() { + var doc = this.ownerDocument || this.document || this, + attaches = dataPriv.access( doc, fix ) - 1; + + if ( !attaches ) { + doc.removeEventListener( orig, handler, true ); + dataPriv.remove( doc, fix ); + + } else { + dataPriv.access( doc, fix, attaches ); + } + } + }; + } ); +} +var location = window.location; + +var nonce = { guid: Date.now() }; + +var rquery = ( /\?/ ); + + + +// Cross-browser xml parsing +jQuery.parseXML = function( data ) { + var xml, parserErrorElem; + if ( !data || typeof data !== "string" ) { + return null; + } + + // Support: IE 9 - 11 only + // IE throws on parseFromString with invalid input. + try { + xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" ); + } catch ( e ) {} + + parserErrorElem = xml && xml.getElementsByTagName( "parsererror" )[ 0 ]; + if ( !xml || parserErrorElem ) { + jQuery.error( "Invalid XML: " + ( + parserErrorElem ? + jQuery.map( parserErrorElem.childNodes, function( el ) { + return el.textContent; + } ).join( "\n" ) : + data + ) ); + } + return xml; +}; + + +var + rbracket = /\[\]$/, + rCRLF = /\r?\n/g, + rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i, + rsubmittable = /^(?:input|select|textarea|keygen)/i; + +function buildParams( prefix, obj, traditional, add ) { + var name; + + if ( Array.isArray( obj ) ) { + + // Serialize array item. + jQuery.each( obj, function( i, v ) { + if ( traditional || rbracket.test( prefix ) ) { + + // Treat each array item as a scalar. + add( prefix, v ); + + } else { + + // Item is non-scalar (array or object), encode its numeric index. + buildParams( + prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]", + v, + traditional, + add + ); + } + } ); + + } else if ( !traditional && toType( obj ) === "object" ) { + + // Serialize object item. + for ( name in obj ) { + buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add ); + } + + } else { + + // Serialize scalar item. + add( prefix, obj ); + } +} + +// Serialize an array of form elements or a set of +// key/values into a query string +jQuery.param = function( a, traditional ) { + var prefix, + s = [], + add = function( key, valueOrFunction ) { + + // If value is a function, invoke it and use its return value + var value = isFunction( valueOrFunction ) ? + valueOrFunction() : + valueOrFunction; + + s[ s.length ] = encodeURIComponent( key ) + "=" + + encodeURIComponent( value == null ? "" : value ); + }; + + if ( a == null ) { + return ""; + } + + // If an array was passed in, assume that it is an array of form elements. + if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) { + + // Serialize the form elements + jQuery.each( a, function() { + add( this.name, this.value ); + } ); + + } else { + + // If traditional, encode the "old" way (the way 1.3.2 or older + // did it), otherwise encode params recursively. + for ( prefix in a ) { + buildParams( prefix, a[ prefix ], traditional, add ); + } + } + + // Return the resulting serialization + return s.join( "&" ); +}; + +jQuery.fn.extend( { + serialize: function() { + return jQuery.param( this.serializeArray() ); + }, + serializeArray: function() { + return this.map( function() { + + // Can add propHook for "elements" to filter or add form elements + var elements = jQuery.prop( this, "elements" ); + return elements ? jQuery.makeArray( elements ) : this; + } ).filter( function() { + var type = this.type; + + // Use .is( ":disabled" ) so that fieldset[disabled] works + return this.name && !jQuery( this ).is( ":disabled" ) && + rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) && + ( this.checked || !rcheckableType.test( type ) ); + } ).map( function( _i, elem ) { + var val = jQuery( this ).val(); + + if ( val == null ) { + return null; + } + + if ( Array.isArray( val ) ) { + return jQuery.map( val, function( val ) { + return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; + } ); + } + + return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; + } ).get(); + } +} ); + + +var + r20 = /%20/g, + rhash = /#.*$/, + rantiCache = /([?&])_=[^&]*/, + rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg, + + // #7653, #8125, #8152: local protocol detection + rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/, + rnoContent = /^(?:GET|HEAD)$/, + rprotocol = /^\/\//, + + /* Prefilters + * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example) + * 2) These are called: + * - BEFORE asking for a transport + * - AFTER param serialization (s.data is a string if s.processData is true) + * 3) key is the dataType + * 4) the catchall symbol "*" can be used + * 5) execution will start with transport dataType and THEN continue down to "*" if needed + */ + prefilters = {}, + + /* Transports bindings + * 1) key is the dataType + * 2) the catchall symbol "*" can be used + * 3) selection will start with transport dataType and THEN go to "*" if needed + */ + transports = {}, + + // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression + allTypes = "*/".concat( "*" ), + + // Anchor tag for parsing the document origin + originAnchor = document.createElement( "a" ); + +originAnchor.href = location.href; + +// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport +function addToPrefiltersOrTransports( structure ) { + + // dataTypeExpression is optional and defaults to "*" + return function( dataTypeExpression, func ) { + + if ( typeof dataTypeExpression !== "string" ) { + func = dataTypeExpression; + dataTypeExpression = "*"; + } + + var dataType, + i = 0, + dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || []; + + if ( isFunction( func ) ) { + + // For each dataType in the dataTypeExpression + while ( ( dataType = dataTypes[ i++ ] ) ) { + + // Prepend if requested + if ( dataType[ 0 ] === "+" ) { + dataType = dataType.slice( 1 ) || "*"; + ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func ); + + // Otherwise append + } else { + ( structure[ dataType ] = structure[ dataType ] || [] ).push( func ); + } + } + } + }; +} + +// Base inspection function for prefilters and transports +function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) { + + var inspected = {}, + seekingTransport = ( structure === transports ); + + function inspect( dataType ) { + var selected; + inspected[ dataType ] = true; + jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) { + var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR ); + if ( typeof dataTypeOrTransport === "string" && + !seekingTransport && !inspected[ dataTypeOrTransport ] ) { + + options.dataTypes.unshift( dataTypeOrTransport ); + inspect( dataTypeOrTransport ); + return false; + } else if ( seekingTransport ) { + return !( selected = dataTypeOrTransport ); + } + } ); + return selected; + } + + return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" ); +} + +// A special extend for ajax options +// that takes "flat" options (not to be deep extended) +// Fixes #9887 +function ajaxExtend( target, src ) { + var key, deep, + flatOptions = jQuery.ajaxSettings.flatOptions || {}; + + for ( key in src ) { + if ( src[ key ] !== undefined ) { + ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ]; + } + } + if ( deep ) { + jQuery.extend( true, target, deep ); + } + + return target; +} + +/* Handles responses to an ajax request: + * - finds the right dataType (mediates between content-type and expected dataType) + * - returns the corresponding response + */ +function ajaxHandleResponses( s, jqXHR, responses ) { + + var ct, type, finalDataType, firstDataType, + contents = s.contents, + dataTypes = s.dataTypes; + + // Remove auto dataType and get content-type in the process + while ( dataTypes[ 0 ] === "*" ) { + dataTypes.shift(); + if ( ct === undefined ) { + ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" ); + } + } + + // Check if we're dealing with a known content-type + if ( ct ) { + for ( type in contents ) { + if ( contents[ type ] && contents[ type ].test( ct ) ) { + dataTypes.unshift( type ); + break; + } + } + } + + // Check to see if we have a response for the expected dataType + if ( dataTypes[ 0 ] in responses ) { + finalDataType = dataTypes[ 0 ]; + } else { + + // Try convertible dataTypes + for ( type in responses ) { + if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) { + finalDataType = type; + break; + } + if ( !firstDataType ) { + firstDataType = type; + } + } + + // Or just use first one + finalDataType = finalDataType || firstDataType; + } + + // If we found a dataType + // We add the dataType to the list if needed + // and return the corresponding response + if ( finalDataType ) { + if ( finalDataType !== dataTypes[ 0 ] ) { + dataTypes.unshift( finalDataType ); + } + return responses[ finalDataType ]; + } +} + +/* Chain conversions given the request and the original response + * Also sets the responseXXX fields on the jqXHR instance + */ +function ajaxConvert( s, response, jqXHR, isSuccess ) { + var conv2, current, conv, tmp, prev, + converters = {}, + + // Work with a copy of dataTypes in case we need to modify it for conversion + dataTypes = s.dataTypes.slice(); + + // Create converters map with lowercased keys + if ( dataTypes[ 1 ] ) { + for ( conv in s.converters ) { + converters[ conv.toLowerCase() ] = s.converters[ conv ]; + } + } + + current = dataTypes.shift(); + + // Convert to each sequential dataType + while ( current ) { + + if ( s.responseFields[ current ] ) { + jqXHR[ s.responseFields[ current ] ] = response; + } + + // Apply the dataFilter if provided + if ( !prev && isSuccess && s.dataFilter ) { + response = s.dataFilter( response, s.dataType ); + } + + prev = current; + current = dataTypes.shift(); + + if ( current ) { + + // There's only work to do if current dataType is non-auto + if ( current === "*" ) { + + current = prev; + + // Convert response if prev dataType is non-auto and differs from current + } else if ( prev !== "*" && prev !== current ) { + + // Seek a direct converter + conv = converters[ prev + " " + current ] || converters[ "* " + current ]; + + // If none found, seek a pair + if ( !conv ) { + for ( conv2 in converters ) { + + // If conv2 outputs current + tmp = conv2.split( " " ); + if ( tmp[ 1 ] === current ) { + + // If prev can be converted to accepted input + conv = converters[ prev + " " + tmp[ 0 ] ] || + converters[ "* " + tmp[ 0 ] ]; + if ( conv ) { + + // Condense equivalence converters + if ( conv === true ) { + conv = converters[ conv2 ]; + + // Otherwise, insert the intermediate dataType + } else if ( converters[ conv2 ] !== true ) { + current = tmp[ 0 ]; + dataTypes.unshift( tmp[ 1 ] ); + } + break; + } + } + } + } + + // Apply converter (if not an equivalence) + if ( conv !== true ) { + + // Unless errors are allowed to bubble, catch and return them + if ( conv && s.throws ) { + response = conv( response ); + } else { + try { + response = conv( response ); + } catch ( e ) { + return { + state: "parsererror", + error: conv ? e : "No conversion from " + prev + " to " + current + }; + } + } + } + } + } + } + + return { state: "success", data: response }; +} + +jQuery.extend( { + + // Counter for holding the number of active queries + active: 0, + + // Last-Modified header cache for next request + lastModified: {}, + etag: {}, + + ajaxSettings: { + url: location.href, + type: "GET", + isLocal: rlocalProtocol.test( location.protocol ), + global: true, + processData: true, + async: true, + contentType: "application/x-www-form-urlencoded; charset=UTF-8", + + /* + timeout: 0, + data: null, + dataType: null, + username: null, + password: null, + cache: null, + throws: false, + traditional: false, + headers: {}, + */ + + accepts: { + "*": allTypes, + text: "text/plain", + html: "text/html", + xml: "application/xml, text/xml", + json: "application/json, text/javascript" + }, + + contents: { + xml: /\bxml\b/, + html: /\bhtml/, + json: /\bjson\b/ + }, + + responseFields: { + xml: "responseXML", + text: "responseText", + json: "responseJSON" + }, + + // Data converters + // Keys separate source (or catchall "*") and destination types with a single space + converters: { + + // Convert anything to text + "* text": String, + + // Text to html (true = no transformation) + "text html": true, + + // Evaluate text as a json expression + "text json": JSON.parse, + + // Parse text as xml + "text xml": jQuery.parseXML + }, + + // For options that shouldn't be deep extended: + // you can add your own custom options here if + // and when you create one that shouldn't be + // deep extended (see ajaxExtend) + flatOptions: { + url: true, + context: true + } + }, + + // Creates a full fledged settings object into target + // with both ajaxSettings and settings fields. + // If target is omitted, writes into ajaxSettings. + ajaxSetup: function( target, settings ) { + return settings ? + + // Building a settings object + ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) : + + // Extending ajaxSettings + ajaxExtend( jQuery.ajaxSettings, target ); + }, + + ajaxPrefilter: addToPrefiltersOrTransports( prefilters ), + ajaxTransport: addToPrefiltersOrTransports( transports ), + + // Main method + ajax: function( url, options ) { + + // If url is an object, simulate pre-1.5 signature + if ( typeof url === "object" ) { + options = url; + url = undefined; + } + + // Force options to be an object + options = options || {}; + + var transport, + + // URL without anti-cache param + cacheURL, + + // Response headers + responseHeadersString, + responseHeaders, + + // timeout handle + timeoutTimer, + + // Url cleanup var + urlAnchor, + + // Request state (becomes false upon send and true upon completion) + completed, + + // To know if global events are to be dispatched + fireGlobals, + + // Loop variable + i, + + // uncached part of the url + uncached, + + // Create the final options object + s = jQuery.ajaxSetup( {}, options ), + + // Callbacks context + callbackContext = s.context || s, + + // Context for global events is callbackContext if it is a DOM node or jQuery collection + globalEventContext = s.context && + ( callbackContext.nodeType || callbackContext.jquery ) ? + jQuery( callbackContext ) : + jQuery.event, + + // Deferreds + deferred = jQuery.Deferred(), + completeDeferred = jQuery.Callbacks( "once memory" ), + + // Status-dependent callbacks + statusCode = s.statusCode || {}, + + // Headers (they are sent all at once) + requestHeaders = {}, + requestHeadersNames = {}, + + // Default abort message + strAbort = "canceled", + + // Fake xhr + jqXHR = { + readyState: 0, + + // Builds headers hashtable if needed + getResponseHeader: function( key ) { + var match; + if ( completed ) { + if ( !responseHeaders ) { + responseHeaders = {}; + while ( ( match = rheaders.exec( responseHeadersString ) ) ) { + responseHeaders[ match[ 1 ].toLowerCase() + " " ] = + ( responseHeaders[ match[ 1 ].toLowerCase() + " " ] || [] ) + .concat( match[ 2 ] ); + } + } + match = responseHeaders[ key.toLowerCase() + " " ]; + } + return match == null ? null : match.join( ", " ); + }, + + // Raw string + getAllResponseHeaders: function() { + return completed ? responseHeadersString : null; + }, + + // Caches the header + setRequestHeader: function( name, value ) { + if ( completed == null ) { + name = requestHeadersNames[ name.toLowerCase() ] = + requestHeadersNames[ name.toLowerCase() ] || name; + requestHeaders[ name ] = value; + } + return this; + }, + + // Overrides response content-type header + overrideMimeType: function( type ) { + if ( completed == null ) { + s.mimeType = type; + } + return this; + }, + + // Status-dependent callbacks + statusCode: function( map ) { + var code; + if ( map ) { + if ( completed ) { + + // Execute the appropriate callbacks + jqXHR.always( map[ jqXHR.status ] ); + } else { + + // Lazy-add the new callbacks in a way that preserves old ones + for ( code in map ) { + statusCode[ code ] = [ statusCode[ code ], map[ code ] ]; + } + } + } + return this; + }, + + // Cancel the request + abort: function( statusText ) { + var finalText = statusText || strAbort; + if ( transport ) { + transport.abort( finalText ); + } + done( 0, finalText ); + return this; + } + }; + + // Attach deferreds + deferred.promise( jqXHR ); + + // Add protocol if not provided (prefilters might expect it) + // Handle falsy url in the settings object (#10093: consistency with old signature) + // We also use the url parameter if available + s.url = ( ( url || s.url || location.href ) + "" ) + .replace( rprotocol, location.protocol + "//" ); + + // Alias method option to type as per ticket #12004 + s.type = options.method || options.type || s.method || s.type; + + // Extract dataTypes list + s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ]; + + // A cross-domain request is in order when the origin doesn't match the current origin. + if ( s.crossDomain == null ) { + urlAnchor = document.createElement( "a" ); + + // Support: IE <=8 - 11, Edge 12 - 15 + // IE throws exception on accessing the href property if url is malformed, + // e.g. http://example.com:80x/ + try { + urlAnchor.href = s.url; + + // Support: IE <=8 - 11 only + // Anchor's host property isn't correctly set when s.url is relative + urlAnchor.href = urlAnchor.href; + s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !== + urlAnchor.protocol + "//" + urlAnchor.host; + } catch ( e ) { + + // If there is an error parsing the URL, assume it is crossDomain, + // it can be rejected by the transport if it is invalid + s.crossDomain = true; + } + } + + // Convert data if not already a string + if ( s.data && s.processData && typeof s.data !== "string" ) { + s.data = jQuery.param( s.data, s.traditional ); + } + + // Apply prefilters + inspectPrefiltersOrTransports( prefilters, s, options, jqXHR ); + + // If request was aborted inside a prefilter, stop there + if ( completed ) { + return jqXHR; + } + + // We can fire global events as of now if asked to + // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118) + fireGlobals = jQuery.event && s.global; + + // Watch for a new set of requests + if ( fireGlobals && jQuery.active++ === 0 ) { + jQuery.event.trigger( "ajaxStart" ); + } + + // Uppercase the type + s.type = s.type.toUpperCase(); + + // Determine if request has content + s.hasContent = !rnoContent.test( s.type ); + + // Save the URL in case we're toying with the If-Modified-Since + // and/or If-None-Match header later on + // Remove hash to simplify url manipulation + cacheURL = s.url.replace( rhash, "" ); + + // More options handling for requests with no content + if ( !s.hasContent ) { + + // Remember the hash so we can put it back + uncached = s.url.slice( cacheURL.length ); + + // If data is available and should be processed, append data to url + if ( s.data && ( s.processData || typeof s.data === "string" ) ) { + cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data; + + // #9682: remove data so that it's not used in an eventual retry + delete s.data; + } + + // Add or update anti-cache param if needed + if ( s.cache === false ) { + cacheURL = cacheURL.replace( rantiCache, "$1" ); + uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce.guid++ ) + + uncached; + } + + // Put hash and anti-cache on the URL that will be requested (gh-1732) + s.url = cacheURL + uncached; + + // Change '%20' to '+' if this is encoded form body content (gh-2658) + } else if ( s.data && s.processData && + ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) { + s.data = s.data.replace( r20, "+" ); + } + + // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. + if ( s.ifModified ) { + if ( jQuery.lastModified[ cacheURL ] ) { + jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] ); + } + if ( jQuery.etag[ cacheURL ] ) { + jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] ); + } + } + + // Set the correct header, if data is being sent + if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) { + jqXHR.setRequestHeader( "Content-Type", s.contentType ); + } + + // Set the Accepts header for the server, depending on the dataType + jqXHR.setRequestHeader( + "Accept", + s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ? + s.accepts[ s.dataTypes[ 0 ] ] + + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) : + s.accepts[ "*" ] + ); + + // Check for headers option + for ( i in s.headers ) { + jqXHR.setRequestHeader( i, s.headers[ i ] ); + } + + // Allow custom headers/mimetypes and early abort + if ( s.beforeSend && + ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) { + + // Abort if not done already and return + return jqXHR.abort(); + } + + // Aborting is no longer a cancellation + strAbort = "abort"; + + // Install callbacks on deferreds + completeDeferred.add( s.complete ); + jqXHR.done( s.success ); + jqXHR.fail( s.error ); + + // Get transport + transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR ); + + // If no transport, we auto-abort + if ( !transport ) { + done( -1, "No Transport" ); + } else { + jqXHR.readyState = 1; + + // Send global event + if ( fireGlobals ) { + globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] ); + } + + // If request was aborted inside ajaxSend, stop there + if ( completed ) { + return jqXHR; + } + + // Timeout + if ( s.async && s.timeout > 0 ) { + timeoutTimer = window.setTimeout( function() { + jqXHR.abort( "timeout" ); + }, s.timeout ); + } + + try { + completed = false; + transport.send( requestHeaders, done ); + } catch ( e ) { + + // Rethrow post-completion exceptions + if ( completed ) { + throw e; + } + + // Propagate others as results + done( -1, e ); + } + } + + // Callback for when everything is done + function done( status, nativeStatusText, responses, headers ) { + var isSuccess, success, error, response, modified, + statusText = nativeStatusText; + + // Ignore repeat invocations + if ( completed ) { + return; + } + + completed = true; + + // Clear timeout if it exists + if ( timeoutTimer ) { + window.clearTimeout( timeoutTimer ); + } + + // Dereference transport for early garbage collection + // (no matter how long the jqXHR object will be used) + transport = undefined; + + // Cache response headers + responseHeadersString = headers || ""; + + // Set readyState + jqXHR.readyState = status > 0 ? 4 : 0; + + // Determine if successful + isSuccess = status >= 200 && status < 300 || status === 304; + + // Get response data + if ( responses ) { + response = ajaxHandleResponses( s, jqXHR, responses ); + } + + // Use a noop converter for missing script but not if jsonp + if ( !isSuccess && + jQuery.inArray( "script", s.dataTypes ) > -1 && + jQuery.inArray( "json", s.dataTypes ) < 0 ) { + s.converters[ "text script" ] = function() {}; + } + + // Convert no matter what (that way responseXXX fields are always set) + response = ajaxConvert( s, response, jqXHR, isSuccess ); + + // If successful, handle type chaining + if ( isSuccess ) { + + // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. + if ( s.ifModified ) { + modified = jqXHR.getResponseHeader( "Last-Modified" ); + if ( modified ) { + jQuery.lastModified[ cacheURL ] = modified; + } + modified = jqXHR.getResponseHeader( "etag" ); + if ( modified ) { + jQuery.etag[ cacheURL ] = modified; + } + } + + // if no content + if ( status === 204 || s.type === "HEAD" ) { + statusText = "nocontent"; + + // if not modified + } else if ( status === 304 ) { + statusText = "notmodified"; + + // If we have data, let's convert it + } else { + statusText = response.state; + success = response.data; + error = response.error; + isSuccess = !error; + } + } else { + + // Extract error from statusText and normalize for non-aborts + error = statusText; + if ( status || !statusText ) { + statusText = "error"; + if ( status < 0 ) { + status = 0; + } + } + } + + // Set data for the fake xhr object + jqXHR.status = status; + jqXHR.statusText = ( nativeStatusText || statusText ) + ""; + + // Success/Error + if ( isSuccess ) { + deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] ); + } else { + deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] ); + } + + // Status-dependent callbacks + jqXHR.statusCode( statusCode ); + statusCode = undefined; + + if ( fireGlobals ) { + globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError", + [ jqXHR, s, isSuccess ? success : error ] ); + } + + // Complete + completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] ); + + if ( fireGlobals ) { + globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] ); + + // Handle the global AJAX counter + if ( !( --jQuery.active ) ) { + jQuery.event.trigger( "ajaxStop" ); + } + } + } + + return jqXHR; + }, + + getJSON: function( url, data, callback ) { + return jQuery.get( url, data, callback, "json" ); + }, + + getScript: function( url, callback ) { + return jQuery.get( url, undefined, callback, "script" ); + } +} ); + +jQuery.each( [ "get", "post" ], function( _i, method ) { + jQuery[ method ] = function( url, data, callback, type ) { + + // Shift arguments if data argument was omitted + if ( isFunction( data ) ) { + type = type || callback; + callback = data; + data = undefined; + } + + // The url can be an options object (which then must have .url) + return jQuery.ajax( jQuery.extend( { + url: url, + type: method, + dataType: type, + data: data, + success: callback + }, jQuery.isPlainObject( url ) && url ) ); + }; +} ); + +jQuery.ajaxPrefilter( function( s ) { + var i; + for ( i in s.headers ) { + if ( i.toLowerCase() === "content-type" ) { + s.contentType = s.headers[ i ] || ""; + } + } +} ); + + +jQuery._evalUrl = function( url, options, doc ) { + return jQuery.ajax( { + url: url, + + // Make this explicit, since user can override this through ajaxSetup (#11264) + type: "GET", + dataType: "script", + cache: true, + async: false, + global: false, + + // Only evaluate the response if it is successful (gh-4126) + // dataFilter is not invoked for failure responses, so using it instead + // of the default converter is kludgy but it works. + converters: { + "text script": function() {} + }, + dataFilter: function( response ) { + jQuery.globalEval( response, options, doc ); + } + } ); +}; + + +jQuery.fn.extend( { + wrapAll: function( html ) { + var wrap; + + if ( this[ 0 ] ) { + if ( isFunction( html ) ) { + html = html.call( this[ 0 ] ); + } + + // The elements to wrap the target around + wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true ); + + if ( this[ 0 ].parentNode ) { + wrap.insertBefore( this[ 0 ] ); + } + + wrap.map( function() { + var elem = this; + + while ( elem.firstElementChild ) { + elem = elem.firstElementChild; + } + + return elem; + } ).append( this ); + } + + return this; + }, + + wrapInner: function( html ) { + if ( isFunction( html ) ) { + return this.each( function( i ) { + jQuery( this ).wrapInner( html.call( this, i ) ); + } ); + } + + return this.each( function() { + var self = jQuery( this ), + contents = self.contents(); + + if ( contents.length ) { + contents.wrapAll( html ); + + } else { + self.append( html ); + } + } ); + }, + + wrap: function( html ) { + var htmlIsFunction = isFunction( html ); + + return this.each( function( i ) { + jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html ); + } ); + }, + + unwrap: function( selector ) { + this.parent( selector ).not( "body" ).each( function() { + jQuery( this ).replaceWith( this.childNodes ); + } ); + return this; + } +} ); + + +jQuery.expr.pseudos.hidden = function( elem ) { + return !jQuery.expr.pseudos.visible( elem ); +}; +jQuery.expr.pseudos.visible = function( elem ) { + return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length ); +}; + + + + +jQuery.ajaxSettings.xhr = function() { + try { + return new window.XMLHttpRequest(); + } catch ( e ) {} +}; + +var xhrSuccessStatus = { + + // File protocol always yields status code 0, assume 200 + 0: 200, + + // Support: IE <=9 only + // #1450: sometimes IE returns 1223 when it should be 204 + 1223: 204 + }, + xhrSupported = jQuery.ajaxSettings.xhr(); + +support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported ); +support.ajax = xhrSupported = !!xhrSupported; + +jQuery.ajaxTransport( function( options ) { + var callback, errorCallback; + + // Cross domain only allowed if supported through XMLHttpRequest + if ( support.cors || xhrSupported && !options.crossDomain ) { + return { + send: function( headers, complete ) { + var i, + xhr = options.xhr(); + + xhr.open( + options.type, + options.url, + options.async, + options.username, + options.password + ); + + // Apply custom fields if provided + if ( options.xhrFields ) { + for ( i in options.xhrFields ) { + xhr[ i ] = options.xhrFields[ i ]; + } + } + + // Override mime type if needed + if ( options.mimeType && xhr.overrideMimeType ) { + xhr.overrideMimeType( options.mimeType ); + } + + // X-Requested-With header + // For cross-domain requests, seeing as conditions for a preflight are + // akin to a jigsaw puzzle, we simply never set it to be sure. + // (it can always be set on a per-request basis or even using ajaxSetup) + // For same-domain requests, won't change header if already provided. + if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) { + headers[ "X-Requested-With" ] = "XMLHttpRequest"; + } + + // Set headers + for ( i in headers ) { + xhr.setRequestHeader( i, headers[ i ] ); + } + + // Callback + callback = function( type ) { + return function() { + if ( callback ) { + callback = errorCallback = xhr.onload = + xhr.onerror = xhr.onabort = xhr.ontimeout = + xhr.onreadystatechange = null; + + if ( type === "abort" ) { + xhr.abort(); + } else if ( type === "error" ) { + + // Support: IE <=9 only + // On a manual native abort, IE9 throws + // errors on any property access that is not readyState + if ( typeof xhr.status !== "number" ) { + complete( 0, "error" ); + } else { + complete( + + // File: protocol always yields status 0; see #8605, #14207 + xhr.status, + xhr.statusText + ); + } + } else { + complete( + xhrSuccessStatus[ xhr.status ] || xhr.status, + xhr.statusText, + + // Support: IE <=9 only + // IE9 has no XHR2 but throws on binary (trac-11426) + // For XHR2 non-text, let the caller handle it (gh-2498) + ( xhr.responseType || "text" ) !== "text" || + typeof xhr.responseText !== "string" ? + { binary: xhr.response } : + { text: xhr.responseText }, + xhr.getAllResponseHeaders() + ); + } + } + }; + }; + + // Listen to events + xhr.onload = callback(); + errorCallback = xhr.onerror = xhr.ontimeout = callback( "error" ); + + // Support: IE 9 only + // Use onreadystatechange to replace onabort + // to handle uncaught aborts + if ( xhr.onabort !== undefined ) { + xhr.onabort = errorCallback; + } else { + xhr.onreadystatechange = function() { + + // Check readyState before timeout as it changes + if ( xhr.readyState === 4 ) { + + // Allow onerror to be called first, + // but that will not handle a native abort + // Also, save errorCallback to a variable + // as xhr.onerror cannot be accessed + window.setTimeout( function() { + if ( callback ) { + errorCallback(); + } + } ); + } + }; + } + + // Create the abort callback + callback = callback( "abort" ); + + try { + + // Do send the request (this may raise an exception) + xhr.send( options.hasContent && options.data || null ); + } catch ( e ) { + + // #14683: Only rethrow if this hasn't been notified as an error yet + if ( callback ) { + throw e; + } + } + }, + + abort: function() { + if ( callback ) { + callback(); + } + } + }; + } +} ); + + + + +// Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432) +jQuery.ajaxPrefilter( function( s ) { + if ( s.crossDomain ) { + s.contents.script = false; + } +} ); + +// Install script dataType +jQuery.ajaxSetup( { + accepts: { + script: "text/javascript, application/javascript, " + + "application/ecmascript, application/x-ecmascript" + }, + contents: { + script: /\b(?:java|ecma)script\b/ + }, + converters: { + "text script": function( text ) { + jQuery.globalEval( text ); + return text; + } + } +} ); + +// Handle cache's special case and crossDomain +jQuery.ajaxPrefilter( "script", function( s ) { + if ( s.cache === undefined ) { + s.cache = false; + } + if ( s.crossDomain ) { + s.type = "GET"; + } +} ); + +// Bind script tag hack transport +jQuery.ajaxTransport( "script", function( s ) { + + // This transport only deals with cross domain or forced-by-attrs requests + if ( s.crossDomain || s.scriptAttrs ) { + var script, callback; + return { + send: function( _, complete ) { + script = jQuery( " + <% end %> + + + + + + NAV + <%= image_tag('navbar.png') %> + + +
      + <%= image_tag "logo.png", class: 'logo' %> + <% if language_tabs.any? %> +
      + <% language_tabs.each do |lang| %> + <% if lang.is_a? Hash %> + <%= lang.values.first %> + <% else %> + <%= lang %> + <% end %> + <% end %> +
      + <% end %> + <% if current_page.data.search %> +
      + +
      +
        + <% end %> +
          + <% toc_data(page_content).each do |h1| %> +
        • + <%= h1[:content] %> + <% if h1[:children].length > 0 %> + + <% end %> +
          • + <% end %> +
        + <% if current_page.data.toc_footers %> +
          + <% current_page.data.toc_footers.each do |footer| %> +
        • <%= footer %>
          • + <% end %> +
        + <% end %> +
        +
        +
        +
        + <%= page_content %> +
        +
        + <% if language_tabs.any? %> +
        + <% language_tabs.each do |lang| %> + <% if lang.is_a? Hash %> + <%= lang.values.first %> + <% else %> + <%= lang %> + <% end %> + <% end %> +
        + <% end %> +
        +
        + + diff --git a/docs/api/source/stylesheets/_icon-font.scss b/docs/api/source/stylesheets/_icon-font.scss new file mode 100644 index 0000000..b599483 --- /dev/null +++ b/docs/api/source/stylesheets/_icon-font.scss @@ -0,0 +1,38 @@ +@font-face { + font-family: 'slate'; + src:font-url('slate.eot?-syv14m'); + src:font-url('slate.eot?#iefix-syv14m') format('embedded-opentype'), + font-url('slate.woff2?-syv14m') format('woff2'), + font-url('slate.woff?-syv14m') format('woff'), + font-url('slate.ttf?-syv14m') format('truetype'), + font-url('slate.svg?-syv14m#slate') format('svg'); + font-weight: normal; + font-style: normal; +} + +%icon { + font-family: 'slate'; + speak: none; + font-style: normal; + font-weight: normal; + font-variant: normal; + text-transform: none; + line-height: 1; +} + +%icon-exclamation-sign { + @extend %icon; + content: "\e600"; +} +%icon-info-sign { + @extend %icon; + content: "\e602"; +} +%icon-ok-sign { + @extend %icon; + content: "\e606"; +} +%icon-search { + @extend %icon; + content: "\e607"; +} diff --git a/docs/api/source/stylesheets/_normalize.scss b/docs/api/source/stylesheets/_normalize.scss new file mode 100644 index 0000000..46f646a --- /dev/null +++ b/docs/api/source/stylesheets/_normalize.scss @@ -0,0 +1,427 @@ +/*! normalize.css v3.0.2 | MIT License | git.io/normalize */ + +/** + * 1. Set default font family to sans-serif. + * 2. Prevent iOS text size adjust after orientation change, without disabling + * user zoom. + */ + +html { + font-family: sans-serif; /* 1 */ + -ms-text-size-adjust: 100%; /* 2 */ + -webkit-text-size-adjust: 100%; /* 2 */ +} + +/** + * Remove default margin. + */ + +body { + margin: 0; +} + +/* HTML5 display definitions + ========================================================================== */ + +/** + * Correct `block` display not defined for any HTML5 element in IE 8/9. + * Correct `block` display not defined for `details` or `summary` in IE 10/11 + * and Firefox. + * Correct `block` display not defined for `main` in IE 11. + */ + +article, +aside, +details, +figcaption, +figure, +footer, +header, +hgroup, +main, +menu, +nav, +section, +summary { + display: block; +} + +/** + * 1. Correct `inline-block` display not defined in IE 8/9. + * 2. Normalize vertical alignment of `progress` in Chrome, Firefox, and Opera. + */ + +audio, +canvas, +progress, +video { + display: inline-block; /* 1 */ + vertical-align: baseline; /* 2 */ +} + +/** + * Prevent modern browsers from displaying `audio` without controls. + * Remove excess height in iOS 5 devices. + */ + +audio:not([controls]) { + display: none; + height: 0; +} + +/** + * Address `[hidden]` styling not present in IE 8/9/10. + * Hide the `template` element in IE 8/9/11, Safari, and Firefox < 22. + */ + +[hidden], +template { + display: none; +} + +/* Links + ========================================================================== */ + +/** + * Remove the gray background color from active links in IE 10. + */ + +a { + background-color: transparent; +} + +/** + * Improve readability when focused and also mouse hovered in all browsers. + */ + +a:active, +a:hover { + outline: 0; +} + +/* Text-level semantics + ========================================================================== */ + +/** + * Address styling not present in IE 8/9/10/11, Safari, and Chrome. + */ + +abbr[title] { + border-bottom: 1px dotted; +} + +/** + * Address style set to `bolder` in Firefox 4+, Safari, and Chrome. + */ + +b, +strong { + font-weight: bold; +} + +/** + * Address styling not present in Safari and Chrome. + */ + +dfn { + font-style: italic; +} + +/** + * Address variable `h1` font-size and margin within `section` and `article` + * contexts in Firefox 4+, Safari, and Chrome. + */ + +h1 { + font-size: 2em; + margin: 0.67em 0; +} + +/** + * Address styling not present in IE 8/9. + */ + +mark { + background: #ff0; + color: #000; +} + +/** + * Address inconsistent and variable font size in all browsers. + */ + +small { + font-size: 80%; +} + +/** + * Prevent `sub` and `sup` affecting `line-height` in all browsers. + */ + +sub, +sup { + font-size: 75%; + line-height: 0; + position: relative; + vertical-align: baseline; +} + +sup { + top: -0.5em; +} + +sub { + bottom: -0.25em; +} + +/* Embedded content + ========================================================================== */ + +/** + * Remove border when inside `a` element in IE 8/9/10. + */ + +img { + border: 0; +} + +/** + * Correct overflow not hidden in IE 9/10/11. + */ + +svg:not(:root) { + overflow: hidden; +} + +/* Grouping content + ========================================================================== */ + +/** + * Address margin not present in IE 8/9 and Safari. + */ + +figure { + margin: 1em 40px; +} + +/** + * Address differences between Firefox and other browsers. + */ + +hr { + -moz-box-sizing: content-box; + box-sizing: content-box; + height: 0; +} + +/** + * Contain overflow in all browsers. + */ + +pre { + overflow: auto; +} + +/** + * Address odd `em`-unit font size rendering in all browsers. + */ + +code, +kbd, +pre, +samp { + font-family: monospace, monospace; + font-size: 1em; +} + +/* Forms + ========================================================================== */ + +/** + * Known limitation: by default, Chrome and Safari on OS X allow very limited + * styling of `select`, unless a `border` property is set. + */ + +/** + * 1. Correct color not being inherited. + * Known issue: affects color of disabled elements. + * 2. Correct font properties not being inherited. + * 3. Address margins set differently in Firefox 4+, Safari, and Chrome. + */ + +button, +input, +optgroup, +select, +textarea { + color: inherit; /* 1 */ + font: inherit; /* 2 */ + margin: 0; /* 3 */ +} + +/** + * Address `overflow` set to `hidden` in IE 8/9/10/11. + */ + +button { + overflow: visible; +} + +/** + * Address inconsistent `text-transform` inheritance for `button` and `select`. + * All other form control elements do not inherit `text-transform` values. + * Correct `button` style inheritance in Firefox, IE 8/9/10/11, and Opera. + * Correct `select` style inheritance in Firefox. + */ + +button, +select { + text-transform: none; +} + +/** + * 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio` + * and `video` controls. + * 2. Correct inability to style clickable `input` types in iOS. + * 3. Improve usability and consistency of cursor style between image-type + * `input` and others. + */ + +button, +html input[type="button"], /* 1 */ +input[type="reset"], +input[type="submit"] { + -webkit-appearance: button; /* 2 */ + cursor: pointer; /* 3 */ +} + +/** + * Re-set default cursor for disabled elements. + */ + +button[disabled], +html input[disabled] { + cursor: default; +} + +/** + * Remove inner padding and border in Firefox 4+. + */ + +button::-moz-focus-inner, +input::-moz-focus-inner { + border: 0; + padding: 0; +} + +/** + * Address Firefox 4+ setting `line-height` on `input` using `!important` in + * the UA stylesheet. + */ + +input { + line-height: normal; +} + +/** + * It's recommended that you don't attempt to style these elements. + * Firefox's implementation doesn't respect box-sizing, padding, or width. + * + * 1. Address box sizing set to `content-box` in IE 8/9/10. + * 2. Remove excess padding in IE 8/9/10. + */ + +input[type="checkbox"], +input[type="radio"] { + box-sizing: border-box; /* 1 */ + padding: 0; /* 2 */ +} + +/** + * Fix the cursor style for Chrome's increment/decrement buttons. For certain + * `font-size` values of the `input`, it causes the cursor style of the + * decrement button to change from `default` to `text`. + */ + +input[type="number"]::-webkit-inner-spin-button, +input[type="number"]::-webkit-outer-spin-button { + height: auto; +} + +/** + * 1. Address `appearance` set to `searchfield` in Safari and Chrome. + * 2. Address `box-sizing` set to `border-box` in Safari and Chrome + * (include `-moz` to future-proof). + */ + +input[type="search"] { + -webkit-appearance: textfield; /* 1 */ + -moz-box-sizing: content-box; + -webkit-box-sizing: content-box; /* 2 */ + box-sizing: content-box; +} + +/** + * Remove inner padding and search cancel button in Safari and Chrome on OS X. + * Safari (but not Chrome) clips the cancel button when the search input has + * padding (and `textfield` appearance). + */ + +input[type="search"]::-webkit-search-cancel-button, +input[type="search"]::-webkit-search-decoration { + -webkit-appearance: none; +} + +/** + * Define consistent border, margin, and padding. + */ + +fieldset { + border: 1px solid #c0c0c0; + margin: 0 2px; + padding: 0.35em 0.625em 0.75em; +} + +/** + * 1. Correct `color` not being inherited in IE 8/9/10/11. + * 2. Remove padding so people aren't caught out if they zero out fieldsets. + */ + +legend { + border: 0; /* 1 */ + padding: 0; /* 2 */ +} + +/** + * Remove default vertical scrollbar in IE 8/9/10/11. + */ + +textarea { + overflow: auto; +} + +/** + * Don't inherit the `font-weight` (applied by a rule above). + * NOTE: the default cannot safely be changed in Chrome and Safari on OS X. + */ + +optgroup { + font-weight: bold; +} + +/* Tables + ========================================================================== */ + +/** + * Remove most spacing between table cells. + */ + +table { + border-collapse: collapse; + border-spacing: 0; +} + +td, +th { + padding: 0; +} diff --git a/docs/api/source/stylesheets/_rtl.scss b/docs/api/source/stylesheets/_rtl.scss new file mode 100644 index 0000000..720719a --- /dev/null +++ b/docs/api/source/stylesheets/_rtl.scss @@ -0,0 +1,140 @@ +//////////////////////////////////////////////////////////////////////////////// +// RTL Styles Variables +//////////////////////////////////////////////////////////////////////////////// + +$default: auto; + +//////////////////////////////////////////////////////////////////////////////// +// TABLE OF CONTENTS +//////////////////////////////////////////////////////////////////////////////// + +#toc>ul>li>a>span { + float: left; +} + +.toc-wrapper { + transition: right 0.3s ease-in-out !important; + left: $default !important; + #{right}: 0; +} + +.toc-h2 { + padding-#{right}: $nav-padding + $nav-indent; +} + +#nav-button { + #{right}: 0; + transition: right 0.3s ease-in-out; + &.open { + right: $nav-width + } +} + +//////////////////////////////////////////////////////////////////////////////// +// PAGE LAYOUT AND CODE SAMPLE BACKGROUND +//////////////////////////////////////////////////////////////////////////////// +.page-wrapper { + margin-#{left}: $default !important; + margin-#{right}: $nav-width; + .dark-box { + #{right}: $default; + #{left}: 0; + } +} + +.lang-selector { + width: $default !important; + a { + float: right; + } +} + +//////////////////////////////////////////////////////////////////////////////// +// CODE SAMPLE STYLES +//////////////////////////////////////////////////////////////////////////////// +.content { + &>h1, + &>h2, + &>h3, + &>h4, + &>h5, + &>h6, + &>p, + &>table, + &>ul, + &>ol, + &>aside, + &>dl { + margin-#{left}: $examples-width; + margin-#{right}: $default !important; + } + &>ul, + &>ol { + padding-#{right}: $main-padding + 15px; + } + table { + th, + td { + text-align: right; + } + } + dd { + margin-#{right}: 15px; + } + aside { + aside:before { + padding-#{left}: 0.5em; + } + .search-highlight { + background: linear-gradient(to top right, #F7E633 0%, #F1D32F 100%); + } + } + pre, + blockquote { + float: left !important; + clear: left !important; + } +} + +//////////////////////////////////////////////////////////////////////////////// +// TYPOGRAPHY +//////////////////////////////////////////////////////////////////////////////// +h1, +h2, +h3, +h4, +h5, +h6, +p, +aside { + text-align: right; + direction: rtl; +} + +.toc-wrapper { + text-align: right; + direction: rtl; + font-weight: 100 !important; +} + + +//////////////////////////////////////////////////////////////////////////////// +// RESPONSIVE DESIGN +//////////////////////////////////////////////////////////////////////////////// +@media (max-width: $tablet-width) { + .toc-wrapper { + #{right}: -$nav-width; + &.open { + #{right}: 0; + } + } + .page-wrapper { + margin-#{right}: 0; + } +} + +@media (max-width: $phone-width) { + %left-col { + margin-#{left}: 0; + } +} diff --git a/docs/api/source/stylesheets/_variables.scss b/docs/api/source/stylesheets/_variables.scss new file mode 100644 index 0000000..7693261 --- /dev/null +++ b/docs/api/source/stylesheets/_variables.scss @@ -0,0 +1,103 @@ +/* +Copyright 2008-2013 Concur Technologies, Inc. + +Licensed under the Apache License, Version 2.0 (the "License"); you may +not use this file except in compliance with the License. You may obtain +a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +License for the specific language governing permissions and limitations +under the License. +*/ + + +//////////////////////////////////////////////////////////////////////////////// +// CUSTOMIZE SLATE +//////////////////////////////////////////////////////////////////////////////// +// Use these settings to help adjust the appearance of Slate + + +// BACKGROUND COLORS +//////////////////// +$nav-bg: #2E3336 !default; +$examples-bg: #2E3336 !default; +$code-bg: #1E2224 !default; +$code-annotation-bg: #191D1F !default; +$nav-subitem-bg: #1E2224 !default; +$nav-active-bg: #0F75D4 !default; +$nav-active-parent-bg: #1E2224 !default; // parent links of the current section +$lang-select-border: #000 !default; +$lang-select-bg: #1E2224 !default; +$lang-select-active-bg: $examples-bg !default; // feel free to change this to blue or something +$lang-select-pressed-bg: #111 !default; // color of language tab bg when mouse is pressed +$main-bg: #F3F7F9 !default; +$aside-notice-bg: #8fbcd4 !default; +$aside-warning-bg: #c97a7e !default; +$aside-success-bg: #6ac174 !default; +$search-notice-bg: #c97a7e !default; + + +// TEXT COLORS +//////////////////// +$main-text: #333 !default; // main content text color +$nav-text: #fff !default; +$nav-active-text: #fff !default; +$nav-active-parent-text: #fff !default; // parent links of the current section +$lang-select-text: #fff !default; // color of unselected language tab text +$lang-select-active-text: #fff !default; // color of selected language tab text +$lang-select-pressed-text: #fff !default; // color of language tab text when mouse is pressed + + +// SIZES +//////////////////// +$nav-width: 230px !default; // width of the navbar +$examples-width: 50% !default; // portion of the screen taken up by code examples +$logo-margin: 0px !default; // margin below logo +$main-padding: 28px !default; // padding to left and right of content & examples +$nav-padding: 15px !default; // padding to left and right of navbar +$nav-v-padding: 10px !default; // padding used vertically around search boxes and results +$nav-indent: 10px !default; // extra padding for ToC subitems +$code-annotation-padding: 13px !default; // padding inside code annotations +$h1-margin-bottom: 21px !default; // padding under the largest header tags +$tablet-width: 930px !default; // min width before reverting to tablet size +$phone-width: $tablet-width - $nav-width !default; // min width before reverting to mobile size + + +// FONTS +//////////////////// +%default-font { + font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; + font-size: 14px; +} + +%header-font { + @extend %default-font; + font-weight: bold; +} + +%code-font { + font-family: Consolas, Menlo, Monaco, "Lucida Console", "Liberation Mono", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Courier New", monospace, serif; + font-size: 12px; + line-height: 1.5; +} + + +// OTHER +//////////////////// +$nav-footer-border-color: #666 !default; +$search-box-border-color: #666 !default; + + +//////////////////////////////////////////////////////////////////////////////// +// INTERNAL +//////////////////////////////////////////////////////////////////////////////// +// These settings are probably best left alone. + +%break-words { + word-break: break-all; + hyphens: auto; +} diff --git a/docs/api/source/stylesheets/print.css.scss b/docs/api/source/stylesheets/print.css.scss new file mode 100644 index 0000000..aea88c3 --- /dev/null +++ b/docs/api/source/stylesheets/print.css.scss @@ -0,0 +1,153 @@ +@charset "utf-8"; +@import 'normalize'; +@import 'variables'; +@import 'icon-font'; + +/* +Copyright 2008-2013 Concur Technologies, Inc. + +Licensed under the Apache License, Version 2.0 (the "License"); you may +not use this file except in compliance with the License. You may obtain +a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +License for the specific language governing permissions and limitations +under the License. +*/ + +$print-color: #999; +$print-color-light: #ccc; +$print-font-size: 12px; + +body { + @extend %default-font; +} + +.tocify, .toc-footer, .lang-selector, .search, #nav-button { + display: none; +} + +.tocify-wrapper>img { + margin: 0 auto; + display: block; +} + +.content { + font-size: 12px; + + pre, code { + @extend %code-font; + @extend %break-words; + border: 1px solid $print-color; + border-radius: 5px; + font-size: 0.8em; + } + + pre { + code { + border: 0; + } + } + + pre { + padding: 1.3em; + } + + code { + padding: 0.2em; + } + + table { + border: 1px solid $print-color; + tr { + border-bottom: 1px solid $print-color; + } + td,th { + padding: 0.7em; + } + } + + p { + line-height: 1.5; + } + + a { + text-decoration: none; + color: #000; + } + + h1 { + @extend %header-font; + font-size: 2.5em; + padding-top: 0.5em; + padding-bottom: 0.5em; + margin-top: 1em; + margin-bottom: $h1-margin-bottom; + border: 2px solid $print-color-light; + border-width: 2px 0; + text-align: center; + } + + h2 { + @extend %header-font; + font-size: 1.8em; + margin-top: 2em; + border-top: 2px solid $print-color-light; + padding-top: 0.8em; + } + + h1+h2, h1+div+h2 { + border-top: none; + padding-top: 0; + margin-top: 0; + } + + h3, h4 { + @extend %header-font; + font-size: 0.8em; + margin-top: 1.5em; + margin-bottom: 0.8em; + text-transform: uppercase; + } + + h5, h6 { + text-transform: uppercase; + } + + aside { + padding: 1em; + border: 1px solid $print-color-light; + border-radius: 5px; + margin-top: 1.5em; + margin-bottom: 1.5em; + line-height: 1.6; + } + + aside:before { + vertical-align: middle; + padding-right: 0.5em; + font-size: 14px; + } + + aside.notice:before { + @extend %icon-info-sign; + } + + aside.warning:before { + @extend %icon-exclamation-sign; + } + + aside.success:before { + @extend %icon-ok-sign; + } +} + +.copy-clipboard { + @media print { + display: none + } +} diff --git a/docs/api/source/stylesheets/screen.css.scss b/docs/api/source/stylesheets/screen.css.scss new file mode 100644 index 0000000..70e3527 --- /dev/null +++ b/docs/api/source/stylesheets/screen.css.scss @@ -0,0 +1,633 @@ +@charset "utf-8"; +@import 'normalize'; +@import 'variables'; +@import 'icon-font'; +// @import 'rtl'; // uncomment to switch to RTL format + +/* +Copyright 2008-2013 Concur Technologies, Inc. + +Licensed under the Apache License, Version 2.0 (the "License"); you may +not use this file except in compliance with the License. You may obtain +a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +License for the specific language governing permissions and limitations +under the License. +*/ + +//////////////////////////////////////////////////////////////////////////////// +// GENERAL STUFF +//////////////////////////////////////////////////////////////////////////////// + +html, body { + color: $main-text; + padding: 0; + margin: 0; + -webkit-font-smoothing: antialiased; + -moz-osx-font-smoothing: grayscale; + @extend %default-font; + background-color: $main-bg; + height: 100%; + -webkit-text-size-adjust: none; /* Never autoresize text */ +} + +//////////////////////////////////////////////////////////////////////////////// +// TABLE OF CONTENTS +//////////////////////////////////////////////////////////////////////////////// + +#toc > ul > li > a > span { + float: right; + background-color: #2484FF; + border-radius: 40px; + width: 20px; +} + +.toc-wrapper { + transition: left 0.3s ease-in-out; + + overflow-y: auto; + overflow-x: hidden; + position: fixed; + z-index: 30; + top: 0; + left: 0; + bottom: 0; + width: $nav-width; + background-color: $nav-bg; + font-size: 13px; + font-weight: bold; + + // language selector for mobile devices + .lang-selector { + display: none; + a { + padding-top: 0.5em; + padding-bottom: 0.5em; + } + } + + // This is the logo at the top of the ToC + .logo { + display: block; + max-width: 100%; + margin-bottom: $logo-margin; + } + + &>.search { + position: relative; + + input { + background: $nav-bg; + border-width: 0 0 1px 0; + border-color: $search-box-border-color; + padding: 6px 0 6px 20px; + box-sizing: border-box; + margin: $nav-v-padding $nav-padding; + width: $nav-width - ($nav-padding*2); + outline: none; + color: $nav-text; + border-radius: 0; /* ios has a default border radius */ + } + + &:before { + position: absolute; + top: 17px; + left: $nav-padding; + color: $nav-text; + @extend %icon-search; + } + } + + .search-results { + margin-top: 0; + box-sizing: border-box; + height: 0; + overflow-y: auto; + overflow-x: hidden; + transition-property: height, margin; + transition-duration: 180ms; + transition-timing-function: ease-in-out; + background: $nav-subitem-bg; + &.visible { + height: 30%; + margin-bottom: 1em; + } + + li { + margin: 1em $nav-padding; + line-height: 1; + } + + a { + color: $nav-text; + text-decoration: none; + + &:hover { + text-decoration: underline; + } + } + } + + + // The Table of Contents is composed of multiple nested + // unordered lists. These styles remove the default + // styling of an unordered list because it is ugly. + ul, li { + list-style: none; + margin: 0; + padding: 0; + line-height: 28px; + } + + li { + color: $nav-text; + transition-property: background; + transition-timing-function: linear; + transition-duration: 200ms; + } + + // This is the currently selected ToC entry + .toc-link.active { + background-color: $nav-active-bg; + color: $nav-active-text; + } + + // this is parent links of the currently selected ToC entry + .toc-link.active-parent { + background-color: $nav-active-parent-bg; + color: $nav-active-parent-text; + } + + .toc-list-h2 { + display: none; + background-color: $nav-subitem-bg; + font-weight: 500; + } + + .toc-h2 { + padding-left: $nav-padding + $nav-indent; + font-size: 12px; + } + + .toc-footer { + padding: 1em 0; + margin-top: 1em; + border-top: 1px dashed $nav-footer-border-color; + + li,a { + color: $nav-text; + text-decoration: none; + } + + a:hover { + text-decoration: underline; + } + + li { + font-size: 0.8em; + line-height: 1.7; + text-decoration: none; + } + } +} + +.toc-link, .toc-footer li { + padding: 0 $nav-padding 0 $nav-padding; + display: block; + overflow-x: hidden; + white-space: nowrap; + text-overflow: ellipsis; + text-decoration: none; + color: $nav-text; + transition-property: background; + transition-timing-function: linear; + transition-duration: 130ms; +} + +// button to show navigation on mobile devices +#nav-button { + span { + display: block; + $side-pad: $main-padding / 2 - 8px; + padding: $side-pad $side-pad $side-pad; + background-color: rgba($main-bg, 0.7); + transform-origin: 0 0; + transform: rotate(-90deg) translate(-100%, 0); + border-radius: 0 0 0 5px; + } + padding: 0 1.5em 5em 0; // increase touch size area + display: none; + position: fixed; + top: 0; + left: 0; + z-index: 100; + color: #000; + text-decoration: none; + font-weight: bold; + opacity: 0.7; + line-height: 16px; + img { + height: 16px; + vertical-align: bottom; + } + + transition: left 0.3s ease-in-out; + + &:hover { opacity: 1; } + &.open {left: $nav-width} +} + + +//////////////////////////////////////////////////////////////////////////////// +// PAGE LAYOUT AND CODE SAMPLE BACKGROUND +//////////////////////////////////////////////////////////////////////////////// + +.page-wrapper { + margin-left: $nav-width; + position: relative; + z-index: 10; + background-color: $main-bg; + min-height: 100%; + + padding-bottom: 1px; // prevent margin overflow + + // The dark box is what gives the code samples their dark background. + // It sits essentially under the actual content block, which has a + // transparent background. + // I know, it's hackish, but it's the simplist way to make the left + // half of the content always this background color. + .dark-box { + width: $examples-width; + background-color: $examples-bg; + position: absolute; + right: 0; + top: 0; + bottom: 0; + } + + .lang-selector { + position: fixed; + z-index: 50; + border-bottom: 5px solid $lang-select-active-bg; + } +} + +.lang-selector { + display: flex; + background-color: $lang-select-bg; + width: 100%; + font-weight: bold; + overflow-x: auto; + a { + display: inline; + color: $lang-select-text; + text-decoration: none; + padding: 0 10px; + line-height: 30px; + outline: 0; + + &:active, &:focus { + background-color: $lang-select-pressed-bg; + color: $lang-select-pressed-text; + } + + &.active { + background-color: $lang-select-active-bg; + color: $lang-select-active-text; + } + } + + &:after { + content: ''; + clear: both; + display: block; + } +} + +//////////////////////////////////////////////////////////////////////////////// +// CONTENT STYLES +//////////////////////////////////////////////////////////////////////////////// +// This is all the stuff with the light background in the left half of the page + +.content { + // fixes webkit rendering bug for some: see #538 + -webkit-transform: translateZ(0); + // to place content above the dark box + position: relative; + z-index: 30; + + &:after { + content: ''; + display: block; + clear: both; + } + + &>h1, &>h2, &>h3, &>h4, &>h5, &>h6, &>p, &>table, &>ul, &>ol, &>aside, &>dl { + margin-right: $examples-width; + padding: 0 $main-padding; + box-sizing: border-box; + display: block; + + @extend %left-col; + } + + &>ul, &>ol { + padding-left: $main-padding + 15px; + } + + // the div is the tocify hidden div for placeholding stuff + &>h1, &>h2, &>div { + clear:both; + } + + h1 { + @extend %header-font; + font-size: 25px; + padding-top: 0.5em; + padding-bottom: 0.5em; + margin-bottom: $h1-margin-bottom; + margin-top: 2em; + border-top: 1px solid #ccc; + border-bottom: 1px solid #ccc; + background-color: #fdfdfd; + } + + h1:first-child, div:first-child + h1 { + border-top-width: 0; + margin-top: 0; + } + + h2 { + @extend %header-font; + font-size: 19px; + margin-top: 4em; + margin-bottom: 0; + border-top: 1px solid #ccc; + padding-top: 1.2em; + padding-bottom: 1.2em; + background-image: linear-gradient(to bottom, rgba(#fff, 0.2), rgba(#fff, 0)); + } + + // h2s right after h1s should bump right up + // against the h1s. + h1 + h2, h1 + div + h2 { + margin-top: $h1-margin-bottom * -1; + border-top: none; + } + + h3, h4, h5, h6 { + @extend %header-font; + font-size: 15px; + margin-top: 2.5em; + margin-bottom: 0.8em; + } + + h4, h5, h6 { + font-size: 10px; + } + + hr { + margin: 2em 0; + border-top: 2px solid $examples-bg; + border-bottom: 2px solid $main-bg; + } + + table { + margin-bottom: 1em; + overflow: auto; + th,td { + text-align: left; + vertical-align: top; + line-height: 1.6; + code { + white-space: nowrap; + } + } + + th { + padding: 5px 10px; + border-bottom: 1px solid #ccc; + vertical-align: bottom; + } + + td { + padding: 10px; + } + + tr:last-child { + border-bottom: 1px solid #ccc; + } + + tr:nth-child(odd)>td { + background-color: lighten($main-bg,4.2%); + } + + tr:nth-child(even)>td { + background-color: lighten($main-bg,2.4%); + } + } + + dt { + font-weight: bold; + } + + dd { + margin-left: 15px; + } + + p, li, dt, dd { + line-height: 1.6; + margin-top: 0; + } + + img { + max-width: 100%; + } + + code { + background-color: rgba(0,0,0,0.05); + padding: 3px; + border-radius: 3px; + @extend %break-words; + @extend %code-font; + } + + pre>code { + background-color: transparent; + padding: 0; + } + + aside { + padding-top: 1em; + padding-bottom: 1em; + margin-top: 1.5em; + margin-bottom: 1.5em; + background: $aside-notice-bg; + line-height: 1.6; + + &.warning { + background-color: $aside-warning-bg; + } + + &.success { + background-color: $aside-success-bg; + } + } + + aside:before { + vertical-align: middle; + padding-right: 0.5em; + font-size: 14px; + } + + aside.notice:before { + @extend %icon-info-sign; + } + + aside.warning:before { + @extend %icon-exclamation-sign; + } + + aside.success:before { + @extend %icon-ok-sign; + } + + .search-highlight { + padding: 2px; + margin: -3px; + border-radius: 4px; + border: 1px solid #F7E633; + background: linear-gradient(to top left, #F7E633 0%, #F1D32F 100%); + } +} + +//////////////////////////////////////////////////////////////////////////////// +// CODE SAMPLE STYLES +//////////////////////////////////////////////////////////////////////////////// +// This is all the stuff that appears in the right half of the page + +.content { + &>div.highlight { + clear:none; + } + + pre, blockquote { + background-color: $code-bg; + color: #fff; + + margin: 0; + width: $examples-width; + + float:right; + clear:right; + + box-sizing: border-box; + + @extend %right-col; + + &>p { margin: 0; } + + a { + color: #fff; + text-decoration: none; + border-bottom: dashed 1px #ccc; + } + } + + pre { + @extend %code-font; + padding-top: 2em; + padding-bottom: 2em; + padding: 2em $main-padding; + } + + blockquote { + &>p { + background-color: $code-annotation-bg; + padding: $code-annotation-padding 2em; + color: #eee; + } + } +} + +//////////////////////////////////////////////////////////////////////////////// +// RESPONSIVE DESIGN +//////////////////////////////////////////////////////////////////////////////// +// These are the styles for phones and tablets +// There are also a couple styles disperesed + +@media (max-width: $tablet-width) { + .toc-wrapper { + left: -$nav-width; + + &.open { + left: 0; + } + } + + .page-wrapper { + margin-left: 0; + } + + #nav-button { + display: block; + } + + .toc-link { + padding-top: 0.3em; + padding-bottom: 0.3em; + } +} + +@media (max-width: $phone-width) { + .dark-box { + display: none; + } + + %left-col { + margin-right: 0; + } + + .toc-wrapper .lang-selector { + display: block; + } + + .page-wrapper .lang-selector { + display: none; + } + + %right-col { + width: auto; + float: none; + } + + %right-col + %left-col { + margin-top: $main-padding; + } +} + +.highlight .c, .highlight .cm, .highlight .c1, .highlight .cs { + color: #909090; +} + +.highlight, .highlight .w { + background-color: $code-bg; +} + +.copy-clipboard { + float: right; + fill: #9DAAB6; + cursor: pointer; + opacity: 0.4; + height: 18px; + width: 18px; +} + +.copy-clipboard:hover { + opacity: 0.8; +} diff --git a/docs/config.toml b/docs/config.toml index 7f7e186..f8e23cd 100644 --- a/docs/config.toml +++ b/docs/config.toml @@ -1,11 +1,12 @@ # hugo server --minify --themesDir ... --baseURL=http://0.0.0.0:1313/theme/hugo-book/ baseURL = 'https://rustybever.be/docs/vieter/' -title = 'The Rusty Bever - Docs' +title = 'Vieter - Docs' theme = 'hugo-book' # Book configuration disablePathToLower = true +# Doesn't work with docs as subdir enableGitInfo = true # Needed for mermaid/katex shortcodes @@ -27,16 +28,22 @@ enableGitInfo = true weight = 1 [menu] -# [[menu.before]] [[menu.after]] - name = "Source" - url = "https://git.rustybever.be/Chewing_Bever/docs" + name = "HTTP API Docs" + url = "https://rustybever.be/docs/vieter/api/" weight = 10 - +[[menu.after]] + name = "Man Pages" + url = "https://rustybever.be/man/vieter/vieter.1.html" + weight = 20 +[[menu.after]] + name = "Vieter" + url = "https://git.rustybever.be/vieter/vieter" + weight = 30 [[menu.after]] name = "Hugo Theme" url = "https://github.com/alex-shpak/hugo-book" - weight = 20 + weight = 40 [params] # (Optional, default light) Sets color theme: light, dark or auto. @@ -63,14 +70,14 @@ enableGitInfo = true # Set source repository location. # Used for 'Last Modified' and 'Edit this page' links. - BookRepo = 'https://git.rustybever.be/Chewing_Bever/docs' + BookRepo = 'https://git.rustybever.be/vieter/vieter' # (Optional, default 'commit') Specifies commit portion of the link to the page's last modified # commit hash for 'doc' page type. # Requires 'BookRepo' param. # Value used to construct a URL consisting of BookRepo/BookCommitPath/ # Github uses 'commit', Bitbucket uses 'commits' - # BookCommitPath = 'commit' + BookCommitPath = 'src/commit' # Enable "Edit this page" links for 'doc' page type. # Disabled by default. Uncomment to enable. Requires 'BookRepo' param. diff --git a/docs/content/CLI.md b/docs/content/CLI.md deleted file mode 100644 index 32bb6f8..0000000 --- a/docs/content/CLI.md +++ /dev/null @@ -1,27 +0,0 @@ -# Vieter CLI - -I provide a simple CLI tool that currently only allows changing the Git -repository API. Its usage is quite simple. - -First, you need to create a file in your home directory called `.vieterrc` with -the following content: - -```toml -address = "https://example.com" -api_key = "your-api-key" -``` - -You can also use a different file or use environment variables, as described in -[Configuration](/configuration). - -Now you're ready to use the CLI tool. - -## Usage - -* `vieter repos list` returns all repositories currently stored in the API. -* `vieter repos add url branch repo arch...` adds the repository with the given - URL, branch, repo & arch to the API. -* `vieter repos remove id` removes the repository with the given ID prefix. - -You can always check `vieter -help` or `vieter repos -help` for more -information about the commands. diff --git a/docs/content/_index.md b/docs/content/_index.md index 3a1144b..efcdf6d 100644 --- a/docs/content/_index.md +++ b/docs/content/_index.md @@ -9,12 +9,9 @@ documentation might not be relevant anymore for the latest release. ## Overview -Vieter has a few main features: - -* It's a simple & lightweight implementation of an Arch repository server -* It allows for uploading of built package archives -* It supports a basic build system to periodically re-build packages & upload - them to the server +Vieter consists of two main parts, namely an implementation of an Arch +repository server & a scheduling system to periodically build Pacman packages & +publish them to a repository. {{< hint info >}} **Note** @@ -26,12 +23,12 @@ well. ### Why? -Vieter is my personal solution for a problem I've been facing for months: +Vieter is my personal solution to a problem I've been facing for months: extremely long AUR package build times. I run EndeavourOS on both my laptops, one of which being a rather old MacBook Air. I really like being a beta-tester for projects & run development builds for multiple packages (nheko, -newsflash...). The issue with this is that I have to regularly re-build these -packages in order to stay up to date with development & these builds can take a +newsflash...). Because of this, I have to regularly re-build these packages in +order to stay up to date with development. However, these builds can take a really long time on the old MacBook. This project is a solution to that problem: instead of building the packages locally, I can build them automatically in the cloud & just download them whenever I update my system! diff --git a/docs/content/api.md b/docs/content/api.md deleted file mode 100644 index 0fbb694..0000000 --- a/docs/content/api.md +++ /dev/null @@ -1,89 +0,0 @@ -# API Reference - -All routes that return JSON use the following shape: - -```json -{ - "message": "some message", - "data": {} -} -``` - -Here, data can be any JSON object, so it's not guaranteed to be a struct. - -### `GET ///` - -This route serves the contents of a specific architecture' repo. - -If `` is one of `.db`, `.files`, `.db.tar.gz` or -`.files.tar.gz`, it will serve the respective archive file from the -repository. - -If `` contains `.pkg`, it assumes the request to be for a package -archive & will serve that file from the specific arch-repo's package directory. - -Finally, if none of the above are true, Vieter assumes it to be request for a -package version's desc file & tries to serve this instead. This functionality -is very useful for the build system for checking whether a package needs to be -rebuilt or not. - -### `HEAD ///` - -Behaves the same as the above route, but instead of returning actual data, it -returns either 200 or 404, depending on whether the file exists. This route is -used by the build system to determine whether a package needs to be rebuilt. - -### `POST //publish` - -This route is used to upload packages to a repository. It requires the API -key to be provided using the `X-Api-Key` HTTP header. Vieter will parse the -package's contents & update the repository files accordingely. I find the -easiest way to use this route is using cURL: - -```sh -curl -XPOST -T "path-to-package.pkg.tar.zst" -H "X-API-KEY: your-api-key" https://example.com/somerepo/publish -``` - -Packages are automatically added to the correct arch-repo. If a package type is -`any`, the package is added to the configured `default_arch`, as well as all -already present arch-repos. To prevent unnecessary duplication of package -files, these packages are shared between arch-repos' package directories using -hard links. - -{{< hint info >}} -**Note** -Vieter only supports uploading archives compressed using either gzip, zstd or -xz at the moment. -{{< /hint >}} - -### `GET /health` - -This endpoint's only use is to be used with healthchecks. It returns a JSON -response with the message "Healthy.". - -## API - -All API routes require the API key to provided using the `X-Api-Key` header. -Otherwise, they'll return a status code 401. - -### `GET /api/repos` - -Returns the current list of Git repositories. - -### `GET /api/repos/` - -Get the information for the Git repo with the given ID. - -### `POST /api/repos?&&&` - -Adds a new Git repository with the provided URL, Git branch & comma-separated -list of architectures. - -### `DELETE /api/repos/` - -Deletes the Git repository with the provided ID. - -### `PATCH /api/repos/?&&&` - -Updates the provided parameters for the repo with the given ID. All arguments -are optional. diff --git a/docs/content/builder.md b/docs/content/builder.md deleted file mode 100644 index 659717d..0000000 --- a/docs/content/builder.md +++ /dev/null @@ -1,56 +0,0 @@ -# Builder - -Vieter supports a basic build system that allows you to build the packages -defined using the Git repositories API by running `vieter build`. For -configuration, see [here](/configuration#builder). - -## How it works - -The build system works in two stages. First it pulls down the -`archlinux:latest` image from Docker Hub, runs `pacman -Syu` & configures a -non-root build user. It then creates a new Docker image from this container. -This is to prevent each build having to fully update the container's -repositories. After the image has been created, each repository returned by -`/api/repos` is built sequentially by starting up a new container with the -previously created image as a base. Each container goes through the following steps: - -1. The repository is cloned -2. `makepkg --nobuild --syncdeps --needed --noconfirm` is ran to update the `pkgver` variable inside - the `PKGBUILD` file -3. A HEAD request is sent to the Vieter server to check whether the specific - version of the package is already present. If it is, the container exits. -4. `makepkg` is ran with `MAKEFLAGS="-j\$(nproc)` -5. Each produced package archive is uploaded to the Vieter instance's - repository, as defined in the API for that specific Git repo. - -## Cron image - -The Vieter Docker image contains crond & a cron config that runs `vieter build` -every night at 3AM. This value is currently hardcoded, but I wish to change -that down the line (work is in progress). There's also some other caveats you -should be aware of, namely that the image should be run as root & that the -healthcheck will always fail, so you might have to disable it. This boils down -to the following docker-compose file: - -```yaml -version: '3' - -services: - cron: - image: 'chewingbever/vieter:dev' - command: crond -f - user: root - - healthcheck: - disable: true - - environment: - - 'VIETER_API_KEY=some-key' - - 'VIETER_ADDRESS=https://example.com' - volumes: - - '/var/run/docker.sock:/var/run/docker.sock' -``` - -Important to note is that the container also requires the host's Docker socket -to be mounted as this is how it spawns the necessary containers, as well as a -change to the container's command. diff --git a/docs/content/configuration.md b/docs/content/configuration.md index ded40cb..600c6f3 100644 --- a/docs/content/configuration.md +++ b/docs/content/configuration.md @@ -3,7 +3,7 @@ weight: 20 --- # Configuration -All vieter operations by default try to read in the TOML file `~/.vieterrc` for +By default, all vieter commands try to read in the TOML file `~/.vieterrc` for configuration. The location of this file can be changed by using the `-f` flag. If the above file doesn't exist or you wish to override some of its settings, @@ -19,53 +19,80 @@ the value in the environment variable is used. {{< hint info >}} **Note** All environment variables can also be provided from a file by appending them -with `_FILE`. This for example allows you to provide the API key from a docker +with `_FILE`. This for example allows you to provide the API key from a Docker secrets file. {{< /hint >}} -## Modes +## Commands -The vieter binary can run in several "modes", indicated by the first argument -passed to them. Each mode requires a different configuration. +The first argument passed to Vieter determines which command you wish to use. +Each of these can contain subcommands (e.g. `vieter repos list`), but all +subcommands will use the same configuration. Below you can find the +configuration variable required for each command. -### Server +### `vieter server` -* `log_level`: defines how much logs to show. Valid values are one of `FATAL`, - `ERROR`, `WARN`, `INFO` or `DEBUG`. Defaults to `WARN` -* `log_file`: log file to write logs to. Defaults to `vieter.log` in the - current directory. +* `log_level`: log verbosity level. Value should be one of `FATAL`, `ERROR`, + `WARN`, `INFO` or `DEBUG`. + * Default: `WARN` +* `log_file`: log file to write logs to. + * Default: `vieter.log` (in the current directory) * `pkg_dir`: where Vieter should store the actual package archives. * `data_dir`: where Vieter stores the repositories, log file & database. * `api_key`: the API key to use when authenticating requests. -* `default_arch`: architecture to always add packages of arch `any` to. +* `default_arch`: this setting serves two main purposes: + * Packages with architecture `any` are always added to this architecture. + This prevents the server from being confused when an `any` package is + published as the very first package for a repository. + * Git repositories added without an `arch` value use this value instead. -### Builder + +### `vieter cron` + +* `log_level`: log verbosity level. Value should be one of `FATAL`, `ERROR`, + `WARN`, `INFO` or `DEBUG`. + * Default: `WARN` +* `log_file`: log file to write logs to. + * Default: `vieter.log` (in `data_dir`) +* `address`: *public* URL of the Vieter repository server to build for. From + this server the list of Git repositories is retrieved. All built packages are + published to this server. +* `api_key`: API key of the above server. +* `data_dir`: directory to store log file in. +* `base_image`: Docker image to use when building a package. Any Pacman-based + distro image should work, as long as `/etc/pacman.conf` is used & + `base-devel` exists in the repositories. Make sure that the image supports + the architecture of your cron daemon. + * Default: `archlinux:base-devel` (only works on `x86_64`). If you require + `aarch64` support, consider using + [`menci/archlinuxarm:base-devel`](https://hub.docker.com/r/menci/archlinuxarm) + ([GitHub](https://github.com/Menci/docker-archlinuxarm)). This is the image + used for the Vieter CI builds. +* `max_concurrent_builds`: how many builds to run at the same time. + * Default: `1` +* `api_update_frequency`: how frequently (in minutes) to poll the Vieter + repository server for a new list of Git repositories to build. + * Default: `15` +* `image_rebuild_frequency`: Vieter periodically builds a builder image using + the configured base image. This makes sure build containers do not have to + download a lot of packages when updating their system. This setting defines + how frequently (in minutes) to rebuild this builder image. + * Default: `1440` (every 24 hours) +* `global_schedule`: build schedule for any Git repository that does not have a + schedule defined. For information about this syntax, see + [here](/usage/builds/schedule). + * Default: `0 3` (3AM every night) + +### `vieter logs` * `api_key`: the API key to use when authenticating requests. -* `address`: Base your URL of your Vieter instance, e.g. https://example.com -* `base_image`: image to use when building a package. It should be an Archlinux - image. The default if not configured is `archlinux:base-devel`, but this - image only supports arm64. If you require aarch64 support as well, consider - using - [`menci/archlinuxarm:base-devel`](https://hub.docker.com/r/menci/archlinuxarm) - ([GH](https://github.com/Menci/docker-archlinuxarm)) +* `address`: Base URL of your Vieter instance, e.g. https://example.com -### Repos +### `vieter repos` * `api_key`: the API key to use when authenticating requests. -* `address`: Base your URL of your Vieter instance, e.g. https://example.com +* `address`: Base URL of your Vieter instance, e.g. https://example.com +* `base_image`: image to use when building a package using `vieter repos + build`. + * Default: `archlinux:base-devel` -### Cron - -* `log_level`: defines how much logs to show. Valid values are one of `FATAL`, - `ERROR`, `WARN`, `INFO` or `DEBUG`. Defaults to `WARN` -* `api_key`: the API key to use when authenticating requests. -* `address`: Base your URL of your Vieter instance, e.g. https://example.com. - This *must* be the publicly facing URL of your Vieter instance. -* `data_dir`: where Vieter stores the log file. -* `base_image`: Docker image from which to create the builder images. -* `max_concurrent_builds`: amount of builds to run at once. -* `api_update_frequency`: how frequenty to check for changes in the repo list. -* `image_rebuild+frequency`: how frequently to rebuild the builder image -* `global_schedule`: cron schedule to use for any repo without an individual - schedule diff --git a/docs/content/installation.md b/docs/content/installation.md index 17d3874..b5bdbaf 100644 --- a/docs/content/installation.md +++ b/docs/content/installation.md @@ -3,76 +3,100 @@ weight: 10 --- # Installation +Vieter consists of a single binary, akin to busybox. The binary's behavior is +determined by its CLI arguments, e.g. `vieter server` starts the repository +server. + +All installation solutions can be configured the same way, +as described [here](/configuration). + ## Docker -Docker is the recommended way to install vieter. The images can be pulled from -[`chewingbever/vieter`](https://hub.docker.com/r/chewingbever/vieter). You can -either pull a release tag (e.g. `chewingbever/vieter:0.1.0-rc1`), or pull the -`chewingbever/vieter:dev` tag. The latter is updated every time a new commit is -pushed to the development branch. This branch will be the most up to date, but -does not give any guarantees about stability, so beware! +Docker images are published to the +[`chewingbever/vieter`](https://hub.docker.com/r/chewingbever/vieter) Docker +Hub repository. You can either pull a release tag (e.g. +`chewingbever/vieter:0.1.0-rc1`), or pull the `chewingbever/vieter:dev` tag. +The latter is updated every time a new commit is pushed to the development +branch. This branch will be the most up to date, but does not give any +guarantees about stability, so beware! -The simplest way to run the Docker image is using a plain Docker command: +Thanks to the single-binary design of Vieter, this image can be used both for +the repository server & the cron daemon. -```sh -docker run \ - --rm \ - -d \ - -v /path/to/data:/data \ - -e VIETER_API_KEY=changeme \ - -e VIETER_DEFAULT_ARCH=x86_64 \ - -p 8000:8000 \ - chewingbever/vieter:dev +Below is an example compose file to set up both the repository server & the +cron daemon: + +```yaml +version: '3' + +services: + server: + image: 'chewingbever/vieter:dev' + restart: 'always' + + environment: + - 'VIETER_API_KEY=secret' + - 'VIETER_DEFAULT_ARCH=x86_64' + volumes: + - 'data:/data' + + cron: + image: 'chewingbever/vieter:dev' + restart: 'always' + user: root + command: 'vieter cron' + + environment: + - 'VIETER_API_KEY=secret' + # MUST be public URL of Vieter repository + - 'VIETER_ADDRESS=https://example.com' + - 'VIETER_DEFAULT_ARCH=x86_64' + - 'VIETER_MAX_CONCURRENT_BUILDS=2' + - 'VIETER_GLOBAL_SCHEDULE=0 3' + volumes: + - '/var/run/docker.sock:/var/run/docker.sock' + +volumes: + data: ``` -Here, you should change `/path/to/data` to the path on your host where you want -vieter to store its files. +If you do not require the build system, the repository server can be used +independently as well. -The default configuration will store everything inside the `/data` directory. - -Inside the container, the Vieter server runs on port 8000. This port should be -exposed to the public accordingely. - -For an overview of how to configure vieter & which environment variables can be -used, see the [Configuration](/configuration) page. +{{< hint info >}} +**Note** +Builds are executed on the cron daemon's system using the host's Docker daemon. +A cron daemon on a specific architecture will only build packages for that +specific architecture. Therefore, if you wish to build packages for both +`x86_64` & `aarch64`, you'll have to deploy two cron daemons, one on each +architecture. Afterwards, any Git repositories enabled for those two +architectures will build on both. +{{< /hint >}} ## Binary -On the [releases](https://git.rustybever.be/Chewing_Bever/vieter/releases) -page, you can find statically compiled binaries for all released versions. You -can download the binary for your host's architecture & run it that way. +On the +[releases](https://git.rustybever.be/vieter/vieter/releases) +page, you can find statically compiled binaries for all +released versions. This is the same binary as used inside +the Docker images. -For more information about configuring the binary, check out the -[Configuration](/configuration) page. +## Arch + +I publish both development & release versions of Vieter to my personal +repository, https://arch.r8r.be. Packages are available for `x86_64` & +`aarch64`. To use the repository, add the following to your `pacman.conf`: + +``` +[vieter] +Server = https://arch.r8r.be/$repo/$arch +SigLevel = Optional +``` + +Afterwards, you can update your system & install the `vieter` package for the +latest official release or `vieter-git` for the latest development release. ## Building from source -Because the project is still in heavy development, it might be useful to build -from source instead. Luckily, this process is very easy. You'll need make, -libarchive & openssl; all of which should be present on an every-day Arch -install. Then, after cloning the repository, you can use the following commands: - -```sh -# Builds the compiler; should usually only be ran once. Vieter compiles using -# the default compiler, but I maintain my own mirror to ensure nothing breaks -# without me knowing. -make v - -# Build vieter -# Alternatively, use `make prod` to build the production build. -make -``` -{{< hint info >}} -**Note** -My version of the V compiler is also available on my Vieter instance, -https://arch.r8r.be. It's in the `vieter` repository, with the package being -named `vieter-v`. The compiler is available for both x86_64 & aarch64. -{{< /hint >}} - -## My Vieter instance - -Besides uploading development Docker images, my CI also publishes x86_64 & -aarch64 packages to my personal Vieter instance, https://arch.r8r.be. If you'd -like, you can use this repository as well by adding it to your Pacman -configuration as described [here](/usage#configuring-pacman). Both the -repository & the package are called `vieter`. +The project [README](https://git.rustybever.be/vieter/vieter#building) contains +instructions for building Vieter from source. diff --git a/docs/content/other/_index.md b/docs/content/other/_index.md new file mode 100644 index 0000000..394456b --- /dev/null +++ b/docs/content/other/_index.md @@ -0,0 +1,3 @@ +--- +weight: 100 +--- diff --git a/docs/content/other/builds-in-depth.md b/docs/content/other/builds-in-depth.md new file mode 100644 index 0000000..d8df6ec --- /dev/null +++ b/docs/content/other/builds-in-depth.md @@ -0,0 +1,81 @@ +# Builds In-depth + +For those interested, this page describes how the build system works +internally. + +## Builder image + +Every cron daemon perodically creates a builder image that is then used as a +base for all builds. This is done to prevent build containers having to pull +down a bunch of updates when they update their system. + +The build container is created by running the following commands inside a +container started from the image defined in `base_image`: + +```sh +# Update repos & install required packages +pacman -Syu --needed --noconfirm base-devel git +# Add a non-root user to run makepkg +groupadd -g 1000 builder +useradd -mg builder builder +# Make sure they can use sudo without a password +echo 'builder ALL=(ALL) NOPASSWD: ALL' >> /etc/sudoers +# Create the directory for the builds & make it writeable for the +# build user +mkdir /build +chown -R builder:builder /build +``` + +This script updates the packages to their latest versions & creates a non-root +user to use when running `makepkg`. + +This script is base64-encoded & passed to the container as an environment +variable. The container's entrypoint is set to `/bin/sh -c` & its command +argument to `echo $BUILD_SCRIPT | base64 -d | /bin/sh -e`, with the +`BUILD_SCRIPT` environment variable containing the base64-encoded script. + +Once the container exits, a new Docker image is created from it. This image is +then used as the base for any builds. + +## Running builds + +Each build has its own Docker container, using the builder image as its base. +The same base64-based technique as above is used, just with a different script. +To make the build logs more clear, each command is appended by an echo command +printing the next command to stdout. + +Given the Git repository URL is `https://examplerepo.com` with branch `main`, +the URL of the Vieter server is `https://example.com` and `vieter` is the +repository we wish to publish to, we get the following script: + +```sh +echo -e '+ echo -e '\''[vieter]\\nServer = https://example.com/$repo/$arch\\nSigLevel = Optional'\'' >> /etc/pacman.conf' +echo -e '[vieter]\nServer = https://example.com/$repo/$arch\nSigLevel = Optional' >> /etc/pacman.conf +echo -e '+ pacman -Syu --needed --noconfirm' +pacman -Syu --needed --noconfirm +echo -e '+ su builder' +su builder +echo -e '+ git clone --single-branch --depth 1 --branch main https://examplerepo.com repo' +git clone --single-branch --depth 1 --branch main https://examplerepo.com repo +echo -e '+ cd repo' +cd repo +echo -e '+ makepkg --nobuild --syncdeps --needed --noconfirm' +makepkg --nobuild --syncdeps --needed --noconfirm +echo -e '+ source PKGBUILD' +source PKGBUILD +echo -e '+ curl -s --head --fail https://example.com/vieter/x86_64/$pkgname-$pkgver-$pkgrel && exit 0' +curl -s --head --fail https://example.com/vieter/x86_64/$pkgname-$pkgver-$pkgrel && exit 0 +echo -e '+ [ "$(id -u)" == 0 ] && exit 0' +[ "$(id -u)" == 0 ] && exit 0 +echo -e '+ MAKEFLAGS="-j$(nproc)" makepkg -s --noconfirm --needed && for pkg in $(ls -1 *.pkg*); do curl -XPOST -T "$pkg" -H "X-API-KEY: $API_KEY" https://example.com/vieter/publish; done' +MAKEFLAGS="-j$(nproc)" makepkg -s --noconfirm --needed && for pkg in $(ls -1 *.pkg*); do curl -XPOST -T "$pkg" -H "X-API-KEY: $API_KEY" https://example.com/vieter/publish; done +``` + +This script: + +1. Adds the target repository as a repository in the build container +2. Updates mirrors & packages +3. Clones the Git repository +4. Runs `makepkg` without building to calculate `pkgver` +5. Checks whether the package version is already present on the server +6. If not, run `makepkg` & publish any generated package archives to the server diff --git a/docs/content/usage.md b/docs/content/usage.md deleted file mode 100644 index 06671b4..0000000 --- a/docs/content/usage.md +++ /dev/null @@ -1,54 +0,0 @@ ---- -weight: 30 ---- -# Usage - -## Starting the server - -To start a server, either install it using Docker (see -[Installation](/installation)) or run it locally by executing `vieter -server`. See [Configuration](/configuration) for more information about -configuring the binary. - -## Multiple repositories - -Vieter works with multiple repositories. This means that a single Vieter server -can serve multiple repositories in Pacman. It also automatically divides files -with specific architectures among arch-repos. Arch-repos are the actual -repositories you add to your `/etc/pacman.conf` file. See [Configuring -Pacman](/usage#configuring-pacman) below for more info. - -## Adding packages - -Using Vieter is currently very simple. If you wish to add a package to Vieter, -build it using makepkg & POST that file to the `//publish` endpoint of -your server. This will add the package to the repository. Authentification -requires you to add the API key as the `X-Api-Key` header. - -All of this can be combined into a simple cURL call: - -``` -curl -XPOST -H "X-API-KEY: your-key" -T some-package.pkg.tar.zst https://example.com/somerepo/publish -``` - -`somerepo` is automatically created if it doesn't exist yet. - -## Configuring Pacman - -Configuring Pacman to use a Vieter instance is very simple. In your -`/etc/pacman.conf` file, add the following lines: - -``` -[vieter] -Server = https://example.com/$repo/$arch -SigLevel = Optional -``` - -Here, you see two important placeholder variables. `$repo` is replaced by the -name within the square brackets, which in this case would be `vieter`. `$arch` -is replaced by the output of `uname -m`. Because Vieter supports multiple -repositories & architectures per repository, using this notation makes sure you -always use the correct endpoint for fetching files. - -I recommend placing this below all other repository entries, as the order -decides which repository should be used if there's ever a naming conflict. diff --git a/docs/content/usage/_index.md b/docs/content/usage/_index.md new file mode 100644 index 0000000..1518e5e --- /dev/null +++ b/docs/content/usage/_index.md @@ -0,0 +1,3 @@ +--- +weight: 30 +--- diff --git a/docs/content/usage/builds/_index.md b/docs/content/usage/builds/_index.md new file mode 100644 index 0000000..cd463a4 --- /dev/null +++ b/docs/content/usage/builds/_index.md @@ -0,0 +1,51 @@ +--- +weight: 20 +--- +# Building packages + +The automatic build system is what makes Vieter very useful as a replacement +for an AUR helper. It can perodically build packages & publish them to your +personal Vieter repository server, removing the need to build the packages +locally. + +## Adding builds + +Before the cron system can start building your package, you need to add its +info to the system. The Vieter repository server exposes an HTTP API for this +(see the [HTTP API Docs](https://rustybever.be/docs/vieter/api/) for more +info). For ease of use, the Vieter binary contains a CLI interface for +interacting with this API (see [Configuration](/configuration) for +configuration details). The [man +pages](https://rustybever.be/man/vieter/vieter-repos.1.html) describe this in +greater detail, but the basic usage is as follows: + +``` +vieter repos add some-url some-branch some-repository +``` + +Here, `some-url` is the URL of the Git repository containing the PKGBUILD. This +URL is passed to `git clone`, meaning the repository should be public. Vieter +expects the same format as an AUR Git repository, so you can directly use AUR +URLs here. + +`some-branch` is the branch of the Git repository the build should check out. +If you're using an AUR package, this should be `master`. + +Finally, `some-repo` is the repository to which the built package archives +should be published. + +The above command intentionally leaves out a few parameters to make the CLI +more useable. For information on how to modify all parameters using the CLI, +see +[vieter-repos-edit(1)](https://rustybever.be/man/vieter/vieter-repos-edit.1.html). + +## Reading logs + +The logs of each build are uploaded to the Vieter repository server, along with +information about the exit code of the build container, when the build +started/ended etc. These logs can then be accessed using the [HTTP +API](https://rustybever.be/docs/vieter/api/). + +For ease of use, the logs are also available using some CLI commands; see +[vieter-logs(1)](https://rustybever.be/man/vieter/vieter-logs.1.html) for more +information. diff --git a/docs/content/usage/builds/schedule.md b/docs/content/usage/builds/schedule.md new file mode 100644 index 0000000..38f76a4 --- /dev/null +++ b/docs/content/usage/builds/schedule.md @@ -0,0 +1,42 @@ +# Cron schedule syntax + +The Vieter cron daemon uses a subset of the cron expression syntax to schedule +builds. + +## Format + +`a b c d` + +* `a`: minutes +* `b`: hours +* `c`: days +* `d`: months + +An expression consists of two to four sections. If less than four sections are +provided, the parser will append `*` until there are four sections. This means +that `0 3` is the same as `0 3 * *`. + +Each section consists of one or more parts, separated by a comma. Each of these +parts, in turn, can be one of the following (any letters are integers): + +* `*`: allow all possible values. +* `a`: only this value is allowed. +* `*/n`: allow every n-th value. +* `a/n`: allow every n-th value, starting at a in the list. +* `a-b`: allow every value between a and b, bounds included. +* `a-b/n`: allow every n-th value inside the list of values between a and b, + bounds included. + +Each section can consist of as many of these parts as necessary. + +## Examples + +* `0 3`: every day at 03:00AM. +* `0 0 */7`: every 7th day of the month, at midnight. + +## CLI tool + +The Vieter binary contains a command that shows you the next matching times for +a given expression. This can be useful to understand the syntax. For more +information, see +[vieter-schedule(1)](https://rustybever.be/man/vieter/vieter-schedule.1.html). diff --git a/docs/content/usage/repository.md b/docs/content/usage/repository.md new file mode 100644 index 0000000..3ddd2fc --- /dev/null +++ b/docs/content/usage/repository.md @@ -0,0 +1,41 @@ +--- +weight: 10 +--- +# Pacman repository + +The part of Vieter that users will interact with the most is the Pacman +repository aka `vieter server`. + +## Design overview + +A Vieter repository server has support for multiple repositories, with each +repository containing packages for multiple architectures. + +If you wish to use these repositories on your system, add the following to +`/etc/pacman.conf` for each repository you wish to use: + +``` +[repo-name] +Server = https://example.com/$repo/$arch +SigLevel = Optional +``` + +Here, `$repo` and `$arch` are not variables you have to fill in yourself. +Rather, Pacman will substitute these when reading the config file. `$repo` is +replaced by the name between the square brackets (in this case `repo-name`), +and `$arch` is replaced by your system's architecture, e.g. `x86_64`. Of +course, you can also fill in these values manually yourself, e.g. if you wish +to use a different name inside the square brackets. + +Important to note is that, when two repositories contain a package with the +same name, Pacman will choose the one from the repository that's highest up in +the `pacman.conf` file. Therefore, if you know your repository has packages +with the same name as ones from the official repositories, it might be better +to place the repository below the official repositories to avoid overwriting +official packages. + +## Publishing packages + +Packages can be easily published using a single HTTP POST request. Check out +the [HTTP API docs](https://rustybever.be/docs/vieter/api/) for more info on +these routes, including example cURL commands. diff --git a/src/build/build.v b/src/build/build.v index fab6c35..2e86471 100644 --- a/src/build/build.v +++ b/src/build/build.v @@ -4,9 +4,9 @@ import docker import encoding.base64 import time import os -import db import strings import util +import models { GitRepo } const ( container_build_dir = '/build' @@ -93,7 +93,7 @@ pub: // build_repo builds, packages & publishes a given Arch package based on the // provided GitRepo. The base image ID should be of an image previously created // by create_build_image. It returns the logs of the container. -pub fn build_repo(address string, api_key string, base_image_id string, repo &db.GitRepo) ?BuildResult { +pub fn build_repo(address string, api_key string, base_image_id string, repo &GitRepo) ?BuildResult { mut dd := docker.new_conn()? defer { @@ -101,30 +101,19 @@ pub fn build_repo(address string, api_key string, base_image_id string, repo &db } build_arch := os.uname().machine + build_script := create_build_script(address, repo, build_arch) - // TODO what to do with PKGBUILDs that build multiple packages? - commands := [ - 'git clone --single-branch --depth 1 --branch $repo.branch $repo.url repo', - 'cd repo', - 'makepkg --nobuild --syncdeps --needed --noconfirm', - 'source PKGBUILD', - // The build container checks whether the package is already - // present on the server - 'curl -s --head --fail $address/$repo.repo/$build_arch/\$pkgname-\$pkgver-\$pkgrel && exit 0', - 'MAKEFLAGS="-j\$(nproc)" makepkg -s --noconfirm --needed && for pkg in \$(ls -1 *.pkg*); do curl -XPOST -T "\$pkg" -H "X-API-KEY: \$API_KEY" $address/$repo.repo/publish; done', - ] - - // We convert the list of commands into a base64 string, which then gets - // passed to the container as an env var - cmds_str := base64.encode_str(commands.join('\n')) + // We convert the build script into a base64 string, which then gets passed + // to the container as an env var + base64_script := base64.encode_str(build_script) c := docker.NewContainer{ image: '$base_image_id' - env: ['BUILD_SCRIPT=$cmds_str', 'API_KEY=$api_key'] + env: ['BUILD_SCRIPT=$base64_script', 'API_KEY=$api_key'] entrypoint: ['/bin/sh', '-c'] cmd: ['echo \$BUILD_SCRIPT | base64 -d | /bin/bash -e'] work_dir: '/build' - user: 'builder:builder' + user: '0:0' } id := dd.create_container(c)?.id diff --git a/src/build/build_script.sh b/src/build/build_script.sh new file mode 100644 index 0000000..29f163e --- /dev/null +++ b/src/build/build_script.sh @@ -0,0 +1,20 @@ +echo -e '+ echo -e '\''[vieter]\\nServer = https://example.com/$repo/$arch\\nSigLevel = Optional'\'' >> /etc/pacman.conf' +echo -e '[vieter]\nServer = https://example.com/$repo/$arch\nSigLevel = Optional' >> /etc/pacman.conf +echo -e '+ pacman -Syu --needed --noconfirm' +pacman -Syu --needed --noconfirm +echo -e '+ su builder' +su builder +echo -e '+ git clone --single-branch --depth 1 --branch main https://examplerepo.com repo' +git clone --single-branch --depth 1 --branch main https://examplerepo.com repo +echo -e '+ cd repo' +cd repo +echo -e '+ makepkg --nobuild --syncdeps --needed --noconfirm' +makepkg --nobuild --syncdeps --needed --noconfirm +echo -e '+ source PKGBUILD' +source PKGBUILD +echo -e '+ curl -s --head --fail https://example.com/vieter/x86_64/$pkgname-$pkgver-$pkgrel && exit 0' +curl -s --head --fail https://example.com/vieter/x86_64/$pkgname-$pkgver-$pkgrel && exit 0 +echo -e '+ [ "$(id -u)" == 0 ] && exit 0' +[ "$(id -u)" == 0 ] && exit 0 +echo -e '+ MAKEFLAGS="-j$(nproc)" makepkg -s --noconfirm --needed && for pkg in $(ls -1 *.pkg*); do curl -XPOST -T "$pkg" -H "X-API-KEY: $API_KEY" https://example.com/vieter/publish; done' +MAKEFLAGS="-j$(nproc)" makepkg -s --noconfirm --needed && for pkg in $(ls -1 *.pkg*); do curl -XPOST -T "$pkg" -H "X-API-KEY: $API_KEY" https://example.com/vieter/publish; done diff --git a/src/build/shell.v b/src/build/shell.v new file mode 100644 index 0000000..a3121fe --- /dev/null +++ b/src/build/shell.v @@ -0,0 +1,55 @@ +module build + +import models { GitRepo } + +// escape_shell_string escapes any characters that could be interpreted +// incorrectly by a shell. The resulting value should be safe to use inside an +// echo statement. +fn escape_shell_string(s string) string { + return s.replace(r'\', r'\\').replace("'", r"'\''") +} + +// echo_commands takes a list of shell commands & prepends each one with +// an echo call displaying said command. +pub fn echo_commands(cmds []string) []string { + mut out := []string{cap: 2 * cmds.len} + + for cmd in cmds { + out << "echo -e '+ ${escape_shell_string(cmd)}'" + out << cmd + } + + return out +} + +// create_build_script generates a shell script that builds a given GitRepo. +fn create_build_script(address string, repo &GitRepo, build_arch string) string { + repo_url := '$address/$repo.repo' + + commands := echo_commands([ + // This will later be replaced by a proper setting for changing the + // mirrorlist + "echo -e '[$repo.repo]\\nServer = $address/\$repo/\$arch\\nSigLevel = Optional' >> /etc/pacman.conf" + // We need to update the package list of the repo we just added above. + // This should however not pull in a lot of packages as long as the + // builder image is rebuilt frequently. + 'pacman -Syu --needed --noconfirm', + // makepkg can't run as root + 'su builder', + 'git clone --single-branch --depth 1 --branch $repo.branch $repo.url repo', + 'cd repo', + 'makepkg --nobuild --syncdeps --needed --noconfirm', + 'source PKGBUILD', + // The build container checks whether the package is already present on + // the server. + 'curl -s --head --fail $repo_url/$build_arch/\$pkgname-\$pkgver-\$pkgrel && exit 0', + // If the above curl command succeeds, we don't need to rebuild the + // package. However, because we're in a su shell, the exit command will + // drop us back into the root shell. Therefore, we must check whether + // we're in root so we don't proceed. + '[ "\$(id -u)" == 0 ] && exit 0', + 'MAKEFLAGS="-j\$(nproc)" makepkg -s --noconfirm --needed && for pkg in \$(ls -1 *.pkg*); do curl -XPOST -T "\$pkg" -H "X-API-KEY: \$API_KEY" $repo_url/publish; done', + ]) + + return commands.join('\n') +} diff --git a/src/build/shell_test.v b/src/build/shell_test.v new file mode 100644 index 0000000..46ab350 --- /dev/null +++ b/src/build/shell_test.v @@ -0,0 +1,16 @@ +module build + +import models { GitRepo } + +fn test_create_build_script() { + repo := GitRepo{ + id: 1 + url: 'https://examplerepo.com' + branch: 'main' + repo: 'vieter' + } + build_script := create_build_script('https://example.com', repo, 'x86_64') + expected := $embed_file('build_script.sh') + + assert build_script == expected.to_string().trim_space() +} diff --git a/src/client/client.v b/src/client/client.v index 3b28073..2bb1ac2 100644 --- a/src/client/client.v +++ b/src/client/client.v @@ -29,7 +29,10 @@ fn (c &Client) send_request_raw(method Method, url string, params map[string]str // Escape each query param for k, v in params { - params_escaped[k] = urllib.query_escape(v) + // An empty parameter should be the same as not providing it at all + if v != '' { + params_escaped[k] = urllib.query_escape(v) + } } params_str := params_escaped.keys().map('$it=${params[it]}').join('&') @@ -63,5 +66,5 @@ fn (c &Client) send_request_with_body(method Method, url string, params map[s fn (c &Client) send_request_raw_response(method Method, url string, params map[string]string, body string) ?string { res := c.send_request_raw(method, url, params, body)? - return res.text + return res.body } diff --git a/src/client/git.v b/src/client/git.v index 280caab..4496c08 100644 --- a/src/client/git.v +++ b/src/client/git.v @@ -1,16 +1,38 @@ module client -import db { GitRepo } +import models { GitRepo, GitRepoFilter } import net.http { Method } import response { Response } -// get_git_repos returns the current list of repos. -pub fn (c &Client) get_git_repos() ?[]GitRepo { - data := c.send_request<[]GitRepo>(Method.get, '/api/repos', {})? +// get_git_repos returns a list of GitRepo's, given a filter object. +pub fn (c &Client) get_git_repos(filter GitRepoFilter) ?[]GitRepo { + params := models.params_from(filter) + data := c.send_request<[]GitRepo>(Method.get, '/api/repos', params)? return data.data } +// get_all_git_repos retrieves *all* GitRepo's from the API using the default +// limit. +pub fn (c &Client) get_all_git_repos() ?[]GitRepo { + mut repos := []GitRepo{} + mut offset := u64(0) + + for { + sub_repos := c.get_git_repos(offset: offset)? + + if sub_repos.len == 0 { + break + } + + repos << sub_repos + + offset += u64(sub_repos.len) + } + + return repos +} + // get_git_repo returns the repo for a specific ID. pub fn (c &Client) get_git_repo(id int) ?GitRepo { data := c.send_request(Method.get, '/api/repos/$id', {})? diff --git a/src/client/logs.v b/src/client/logs.v index cdacab9..739de23 100644 --- a/src/client/logs.v +++ b/src/client/logs.v @@ -1,13 +1,14 @@ module client -import db { BuildLog } +import models { BuildLog, BuildLogFilter } import net.http { Method } import response { Response } import time // get_build_logs returns all build logs. -pub fn (c &Client) get_build_logs() ?Response<[]BuildLog> { - data := c.send_request<[]BuildLog>(Method.get, '/api/logs', {})? +pub fn (c &Client) get_build_logs(filter BuildLogFilter) ?Response<[]BuildLog> { + params := models.params_from(filter) + data := c.send_request<[]BuildLog>(Method.get, '/api/logs', params)? return data } @@ -41,8 +42,8 @@ pub fn (c &Client) get_build_log_content(id int) ?string { pub fn (c &Client) add_build_log(repo_id int, start_time time.Time, end_time time.Time, arch string, exit_code int, content string) ?Response { params := { 'repo': repo_id.str() - 'startTime': start_time.str() - 'endTime': end_time.str() + 'startTime': start_time.unix_time().str() + 'endTime': end_time.unix_time().str() 'arch': arch 'exitCode': exit_code.str() } diff --git a/src/console/console.v b/src/console/console.v index dfb2fac..7d782ba 100644 --- a/src/console/console.v +++ b/src/console/console.v @@ -2,6 +2,8 @@ module console import arrays import strings +import cli +import os // pretty_table converts a list of string data into a pretty table. Many thanks // to @hungrybluedev in the Vlang Discord for providing this code! @@ -54,3 +56,15 @@ pub fn pretty_table(header []string, data [][]string) ?string { return buffer.str() } + +// export_man_pages recursively generates all man pages for the given +// cli.Command & writes them to the given directory. +pub fn export_man_pages(cmd cli.Command, path string) ? { + man := cmd.manpage() + os.write_file(os.join_path_single(path, cmd.full_name().replace(' ', '-') + '.1'), + man)? + + for sub_cmd in cmd.commands { + export_man_pages(sub_cmd, path)? + } +} diff --git a/src/console/git/git.v b/src/console/git/git.v index 06d5f80..e27c1c4 100644 --- a/src/console/git/git.v +++ b/src/console/git/git.v @@ -5,6 +5,7 @@ import env import cron.expression { parse_expression } import client import console +import models { GitRepoFilter } struct Config { address string [required] @@ -21,11 +22,45 @@ pub fn cmd() cli.Command { cli.Command{ name: 'list' description: 'List the current repos.' + flags: [ + cli.Flag{ + name: 'limit' + description: 'How many results to return.' + flag: cli.FlagType.int + }, + cli.Flag{ + name: 'offset' + description: 'Minimum index to return.' + flag: cli.FlagType.int + }, + cli.Flag{ + name: 'repo' + description: 'Only return Git repos that publish to this repo.' + flag: cli.FlagType.string + }, + ] execute: fn (cmd cli.Command) ? { config_file := cmd.flags.get_string('config-file')? conf := env.load(config_file)? - list(conf)? + mut filter := GitRepoFilter{} + + limit := cmd.flags.get_int('limit')? + if limit != 0 { + filter.limit = u64(limit) + } + + offset := cmd.flags.get_int('offset')? + if offset != 0 { + filter.offset = u64(offset) + } + + repo := cmd.flags.get_string('repo')? + if repo != '' { + filter.repo = repo + } + + list(conf, filter)? } }, cli.Command{ @@ -133,9 +168,9 @@ pub fn cmd() cli.Command { // ID. If multiple or none are found, an error is raised. // list prints out a list of all repositories. -fn list(conf Config) ? { +fn list(conf Config, filter GitRepoFilter) ? { c := client.new(conf.address, conf.api_key) - repos := c.get_git_repos()? + repos := c.get_git_repos(filter)? data := repos.map([it.id.str(), it.url, it.branch, it.repo]) println(console.pretty_table(['id', 'url', 'branch', 'repo'], data)?) diff --git a/src/console/logs/logs.v b/src/console/logs/logs.v index 6400e80..cb6997f 100644 --- a/src/console/logs/logs.v +++ b/src/console/logs/logs.v @@ -3,8 +3,9 @@ module logs import cli import env import client -import db import console +import time +import models { BuildLog, BuildLogFilter } struct Config { address string [required] @@ -19,21 +20,120 @@ pub fn cmd() cli.Command { commands: [ cli.Command{ name: 'list' - description: 'List the build logs. If a repo ID is provided, only list the build logs for that repo.' + description: 'List build logs. All date strings in the output are converted to the local timezone. Any time strings provided as input should be in the local timezone as well.' flags: [ cli.Flag{ - name: 'repo' - description: 'ID of the Git repo to restrict list to.' + name: 'limit' + description: 'How many results to return.' flag: cli.FlagType.int }, + cli.Flag{ + name: 'offset' + description: 'Minimum index to return.' + flag: cli.FlagType.int + }, + cli.Flag{ + name: 'repo' + description: 'Only return logs for this repo id.' + flag: cli.FlagType.int + }, + cli.Flag{ + name: 'today' + description: 'Only list logs started today.' + flag: cli.FlagType.bool + }, + cli.Flag{ + name: 'failed' + description: 'Only list logs with non-zero exit codes.' + flag: cli.FlagType.bool + }, + cli.Flag{ + name: 'day' + description: 'Only list logs started on this day. (format: YYYY-MM-DD)' + flag: cli.FlagType.string + }, + cli.Flag{ + name: 'before' + description: 'Only list logs started before this timestamp. (format: YYYY-MM-DD HH:mm:ss)' + flag: cli.FlagType.string + }, + cli.Flag{ + name: 'after' + description: 'Only list logs started after this timestamp. (format: YYYY-MM-DD HH:mm:ss)' + flag: cli.FlagType.string + }, ] execute: fn (cmd cli.Command) ? { config_file := cmd.flags.get_string('config-file')? conf := env.load(config_file)? - repo_id := cmd.flags.get_int('repo')? + mut filter := BuildLogFilter{} - if repo_id == 0 { list(conf)? } else { list_for_repo(conf, repo_id)? } + limit := cmd.flags.get_int('limit')? + if limit != 0 { + filter.limit = u64(limit) + } + + offset := cmd.flags.get_int('offset')? + if offset != 0 { + filter.offset = u64(offset) + } + + repo_id := cmd.flags.get_int('repo')? + if repo_id != 0 { + filter.repo = repo_id + } + + tz_offset := time.offset() + + if cmd.flags.get_bool('today')? { + today := time.now() + + filter.after = time.new_time(time.Time{ + year: today.year + month: today.month + day: today.day + }).add_seconds(-tz_offset) + filter.before = filter.after.add_days(1) + } + // The -today flag overwrites any of the other date flags. + else { + day_str := cmd.flags.get_string('day')? + before_str := cmd.flags.get_string('before')? + after_str := cmd.flags.get_string('after')? + + if day_str != '' { + day := time.parse_rfc3339(day_str)? + day_utc := time.new_time(time.Time{ + year: day.year + month: day.month + day: day.day + }).add_seconds(-tz_offset) + + // The extra -1 is so we also return logs that + // started at exactly midnight (filter bounds are + // exclusive). therefore, we have to request logs + // started after 23:59:59 the previous day. + filter.after = day_utc.add_seconds(-1) + filter.before = day_utc.add_days(1) + } else { + if before_str != '' { + filter.before = time.parse(before_str)?.add_seconds(-tz_offset) + } + + if after_str != '' { + filter.after = time.parse(after_str)?.add_seconds(-tz_offset) + } + } + } + + if cmd.flags.get_bool('failed')? { + filter.exit_codes = [ + '!0', + ] + } + + list(conf, filter)? } }, cli.Command{ @@ -67,17 +167,17 @@ pub fn cmd() cli.Command { } // print_log_list prints a list of logs. -fn print_log_list(logs []db.BuildLog) ? { - data := logs.map([it.id.str(), it.repo_id.str(), it.start_time.str(), +fn print_log_list(logs []BuildLog) ? { + data := logs.map([it.id.str(), it.repo_id.str(), it.start_time.local().str(), it.exit_code.str()]) println(console.pretty_table(['id', 'repo', 'start time', 'exit code'], data)?) } // list prints a list of all build logs. -fn list(conf Config) ? { +fn list(conf Config, filter BuildLogFilter) ? { c := client.new(conf.address, conf.api_key) - logs := c.get_build_logs()?.data + logs := c.get_build_logs(filter)?.data print_log_list(logs)? } diff --git a/src/console/man/man.v b/src/console/man/man.v new file mode 100644 index 0000000..d91a140 --- /dev/null +++ b/src/console/man/man.v @@ -0,0 +1,21 @@ +module man + +import cli +import console +import os + +// cmd returns the cli submodule that handles generating man pages. +pub fn cmd() cli.Command { + return cli.Command{ + name: 'man' + description: 'Generate all man pages & save them in the given directory.' + usage: 'dir' + required_args: 1 + execute: fn (cmd cli.Command) ? { + root := cmd.root() + os.mkdir_all(cmd.args[0])? + + console.export_man_pages(root, cmd.args[0])? + } + } +} diff --git a/src/console/schedule/schedule.v b/src/console/schedule/schedule.v new file mode 100644 index 0000000..8fceddd --- /dev/null +++ b/src/console/schedule/schedule.v @@ -0,0 +1,30 @@ +module schedule + +import cli +import cron.expression { parse_expression } +import time + +// cmd returns the cli submodule for previewing a cron schedule. +pub fn cmd() cli.Command { + return cli.Command{ + name: 'schedule' + usage: 'schedule' + description: 'Preview the behavior of a cron schedule.' + flags: [ + cli.Flag{ + name: 'count' + description: 'How many scheduled times to show.' + flag: cli.FlagType.int + default_value: ['5'] + }, + ] + execute: fn (cmd cli.Command) ? { + ce := parse_expression(cmd.args.join(' '))? + count := cmd.flags.get_int('count')? + + for t in ce.next_n(time.now(), count)? { + println(t) + } + } + } +} diff --git a/src/cron/daemon/daemon.v b/src/cron/daemon/daemon.v index da3b46e..f1206d6 100644 --- a/src/cron/daemon/daemon.v +++ b/src/cron/daemon/daemon.v @@ -7,9 +7,9 @@ import cron.expression { CronExpression, parse_expression } import math import build import docker -import db import os import client +import models { GitRepo } const ( // How many seconds to wait before retrying to update API if failed @@ -20,7 +20,7 @@ const ( struct ScheduledBuild { pub: - repo db.GitRepo + repo GitRepo timestamp time.Time } @@ -38,7 +38,7 @@ mut: api_update_frequency int image_rebuild_frequency int // Repos currently loaded from API. - repos []db.GitRepo + repos []GitRepo // At what point to update the list of repositories. api_update_timestamp time.Time image_build_timestamp time.Time @@ -149,7 +149,7 @@ pub fn (mut d Daemon) run() { } // schedule_build adds the next occurence of the given repo build to the queue. -fn (mut d Daemon) schedule_build(repo db.GitRepo) { +fn (mut d Daemon) schedule_build(repo GitRepo) { ce := if repo.schedule != '' { parse_expression(repo.schedule) or { // TODO This shouldn't return an error if the expression is empty. @@ -178,7 +178,7 @@ fn (mut d Daemon) schedule_build(repo db.GitRepo) { fn (mut d Daemon) renew_repos() { d.linfo('Renewing repos...') - mut new_repos := d.client.get_git_repos() or { + mut new_repos := d.client.get_all_git_repos() or { d.lerror('Failed to renew repos. Retrying in ${daemon.api_update_retry_timeout}s...') d.api_update_timestamp = time.now().add_seconds(daemon.api_update_retry_timeout) diff --git a/src/cron/expression/expression.v b/src/cron/expression/expression.v index 5eae332..17d2dde 100644 --- a/src/cron/expression/expression.v +++ b/src/cron/expression/expression.v @@ -121,6 +121,20 @@ pub fn (ce &CronExpression) next_from_now() ?time.Time { return ce.next(time.now()) } +// next_n returns the n next occurences of the expression, given a starting +// time. +pub fn (ce &CronExpression) next_n(ref time.Time, n int) ?[]time.Time { + mut times := []time.Time{cap: n} + + times << ce.next(ref)? + + for i in 1 .. n { + times << ce.next(times[i - 1])? + } + + return times +} + // parse_range parses a given string into a range of sorted integers, if // possible. fn parse_range(s string, min int, max int, mut bitv []bool) ? { diff --git a/src/db/db.v b/src/db/db.v index 7c1acf1..fac1458 100644 --- a/src/db/db.v +++ b/src/db/db.v @@ -1,21 +1,89 @@ module db import sqlite +import time struct VieterDb { conn sqlite.DB } +struct MigrationVersion { + id int [primary] + version int +} + +const ( + migrations_up = [$embed_file('migrations/001-initial/up.sql')] + migrations_down = [$embed_file('migrations/001-initial/down.sql')] +) + // init initializes a database & adds the correct tables. pub fn init(db_path string) ?VieterDb { conn := sqlite.connect(db_path)? sql conn { - create table GitRepo - create table BuildLog + create table MigrationVersion + } + + cur_version := sql conn { + select from MigrationVersion limit 1 + } + + // If there's no row yet, we add it here + if cur_version == MigrationVersion{} { + sql conn { + insert cur_version into MigrationVersion + } + } + + // Apply each migration in order + for i in cur_version.version .. db.migrations_up.len { + migration := db.migrations_up[i].to_string() + + version_num := i + 1 + + // vfmt does not like these dots + println('Applying migration $version_num' + '...') + + // The sqlite library seems to not like it when multiple statements are + // passed in a single exec. Therefore, we split them & run them all + // separately. + for part in migration.split(';').map(it.trim_space()).filter(it != '') { + res := conn.exec_none(part) + + if res != sqlite.sqlite_done { + return error('An error occurred while applying migration $version_num') + } + } + + // The where clause doesn't really matter, as there will always only be + // one entry anyways. + sql conn { + update MigrationVersion set version = version_num where id > 0 + } } return VieterDb{ conn: conn } } + +// row_into converts an sqlite.Row into a given type T by parsing each field +// from a string according to its type. +pub fn row_into(row sqlite.Row) T { + mut i := 0 + mut out := T{} + + $for field in T.fields { + $if field.typ is string { + out.$(field.name) = row.vals[i] + } $else $if field.typ is int { + out.$(field.name) = row.vals[i].int() + } $else $if field.typ is time.Time { + out.$(field.name) = time.unix(row.vals[i].int()) + } + + i += 1 + } + return out +} diff --git a/src/db/git.v b/src/db/git.v index 9a475a5..8cc493f 100644 --- a/src/db/git.v +++ b/src/db/git.v @@ -1,85 +1,21 @@ module db -pub struct GitRepoArch { -pub: - id int [primary; sql: serial] - repo_id int [nonull] - value string [nonull] -} - -// str returns a string representation. -pub fn (gra &GitRepoArch) str() string { - return gra.value -} - -pub struct GitRepo { -pub mut: - id int [optional; primary; sql: serial] - // URL of the Git repository - url string [nonull] - // Branch of the Git repository to use - branch string [nonull] - // Which repo the builder should publish packages to - repo string [nonull] - // Cron schedule describing how frequently to build the repo. - schedule string [optional] - // On which architectures the package is allowed to be built. In reality, - // this controls which builders will periodically build the image. - arch []GitRepoArch [fkey: 'repo_id'] -} - -// str returns a string representation. -pub fn (gr &GitRepo) str() string { - mut parts := [ - 'id: $gr.id', - 'url: $gr.url', - 'branch: $gr.branch', - 'repo: $gr.repo', - 'schedule: $gr.schedule', - 'arch: ${gr.arch.map(it.value).join(', ')}', - ] - str := parts.join('\n') - - return str -} - -// patch_from_params patches a GitRepo from a map[string]string, usually -// provided from a web.App's params -pub fn (mut r GitRepo) patch_from_params(params map[string]string) { - $for field in GitRepo.fields { - if field.name in params { - $if field.typ is string { - r.$(field.name) = params[field.name] - // This specific type check is needed for the compiler to ensure - // our types are correct - } $else $if field.typ is []GitRepoArch { - r.$(field.name) = params[field.name].split(',').map(GitRepoArch{ value: it }) - } - } - } -} - -// git_repo_from_params creates a GitRepo from a map[string]string, usually -// provided from a web.App's params -pub fn git_repo_from_params(params map[string]string) ?GitRepo { - mut repo := GitRepo{} - - // If we're creating a new GitRepo, we want all fields to be present before - // "patching". - $for field in GitRepo.fields { - if field.name !in params && !field.attrs.contains('optional') { - return error('Missing parameter: ${field.name}.') - } - } - repo.patch_from_params(params) - - return repo -} +import models { GitRepo, GitRepoArch, GitRepoFilter } // get_git_repos returns all GitRepo's in the database. -pub fn (db &VieterDb) get_git_repos() []GitRepo { +pub fn (db &VieterDb) get_git_repos(filter GitRepoFilter) []GitRepo { + // This seems to currently be blocked by a bug in the ORM, I'll have to ask + // around. + if filter.repo != '' { + res := sql db.conn { + select from GitRepo where repo == filter.repo order by id limit filter.limit offset filter.offset + } + + return res + } + res := sql db.conn { - select from GitRepo order by id + select from GitRepo order by id limit filter.limit offset filter.offset } return res @@ -130,6 +66,7 @@ pub fn (db &VieterDb) update_git_repo(repo_id int, params map[string]string) { } } values_str := values.join(', ') + // I think this is actual SQL & not the ORM language query := 'update GitRepo set $values_str where id == $repo_id' db.conn.exec_none(query) diff --git a/src/db/logs.v b/src/db/logs.v index 817db78..cac08e7 100644 --- a/src/db/logs.v +++ b/src/db/logs.v @@ -1,38 +1,57 @@ module db +import models { BuildLog, BuildLogFilter } import time -pub struct BuildLog { -pub: - id int [primary; sql: serial] - repo_id int [nonull] - start_time time.Time [nonull] - end_time time.Time [nonull] - arch string [nonull] - exit_code int [nonull] -} - -// str returns a string representation. -pub fn (bl &BuildLog) str() string { - mut parts := [ - 'id: $bl.id', - 'repo id: $bl.repo_id', - 'start time: $bl.start_time', - 'end time: $bl.end_time', - 'arch: $bl.arch', - 'exit code: $bl.exit_code', - ] - str := parts.join('\n') - - return str -} - // get_build_logs returns all BuildLog's in the database. -pub fn (db &VieterDb) get_build_logs() []BuildLog { - res := sql db.conn { - select from BuildLog order by id +pub fn (db &VieterDb) get_build_logs(filter BuildLogFilter) []BuildLog { + mut where_parts := []string{} + + if filter.repo != 0 { + where_parts << 'repo_id == $filter.repo' } + if filter.before != time.Time{} { + where_parts << 'start_time < $filter.before.unix_time()' + } + + if filter.after != time.Time{} { + where_parts << 'start_time > $filter.after.unix_time()' + } + + // NOTE: possible SQL injection + if filter.arch != '' { + where_parts << "arch == '$filter.arch'" + } + + mut parts := []string{} + + for exp in filter.exit_codes { + if exp[0] == `!` { + code := exp[1..].int() + + parts << 'exit_code != $code' + } else { + code := exp.int() + + parts << 'exit_code == $code' + } + } + + if parts.len > 0 { + where_parts << parts.map('($it)').join(' or ') + } + + mut where_str := '' + + if where_parts.len > 0 { + where_str = 'where ' + where_parts.map('($it)').join(' and ') + } + + query := 'select * from BuildLog $where_str limit $filter.limit offset $filter.offset' + rows, _ := db.conn.exec(query) + res := rows.map(row_into(it)) + return res } diff --git a/src/db/migrations/001-initial/down.sql b/src/db/migrations/001-initial/down.sql new file mode 100644 index 0000000..43ad40b --- /dev/null +++ b/src/db/migrations/001-initial/down.sql @@ -0,0 +1,3 @@ +DROP TABLE IF EXISTS BuildLog; +DROP TABLE IF EXISTS GitRepoArch; +DROP TABLE IF EXISTS GitRepo; diff --git a/src/db/migrations/001-initial/up.sql b/src/db/migrations/001-initial/up.sql new file mode 100644 index 0000000..ca0aace --- /dev/null +++ b/src/db/migrations/001-initial/up.sql @@ -0,0 +1,22 @@ +CREATE TABLE IF NOT EXISTS GitRepo ( + id INTEGER PRIMARY KEY, + url TEXT NOT NULL, + branch TEXT NOT NULL, + repo TEXT NOT NULL, + schedule TEXT +); + +CREATE TABLE IF NOT EXISTS GitRepoArch ( + id INTEGER PRIMARY KEY, + repo_id INTEGER NOT NULL, + value TEXT NOT NULL +); + +CREATE TABLE IF NOT EXISTS BuildLog ( + id INTEGER PRIMARY KEY, + repo_id INTEGER NOT NULL, + start_time INTEGER NOT NULL, + end_time iNTEGER NOT NULL, + arch TEXT NOT NULL, + exit_code INTEGER NOT NULL +); diff --git a/src/docker/containers.v b/src/docker/containers.v index 0bc59bb..8fbf027 100644 --- a/src/docker/containers.v +++ b/src/docker/containers.v @@ -83,6 +83,7 @@ pub fn (mut d DockerConn) inspect_container(id string) ?ContainerInspect { mut data := json.decode(ContainerInspect, body)? + // The Docker engine API *should* always return UTC time. data.state.start_time = time.parse_rfc3339(data.state.start_time_str)? if data.state.status == 'exited' { diff --git a/src/main.v b/src/main.v index 6df45dc..3da1826 100644 --- a/src/main.v +++ b/src/main.v @@ -5,13 +5,15 @@ import server import cli import console.git import console.logs +import console.schedule +import console.man import cron fn main() { mut app := cli.Command{ name: 'vieter' description: 'Vieter is a lightweight implementation of an Arch repository server.' - version: '0.3.0-alpha.2' + version: '0.3.0-rc.1' flags: [ cli.Flag{ flag: cli.FlagType.string @@ -27,6 +29,8 @@ fn main() { git.cmd(), cron.cmd(), logs.cmd(), + schedule.cmd(), + man.cmd(), ] } app.setup() diff --git a/src/models/git.v b/src/models/git.v new file mode 100644 index 0000000..5dcc13a --- /dev/null +++ b/src/models/git.v @@ -0,0 +1,52 @@ +module models + +pub struct GitRepoArch { +pub: + id int [primary; sql: serial] + repo_id int [nonull] + value string [nonull] +} + +// str returns a string representation. +pub fn (gra &GitRepoArch) str() string { + return gra.value +} + +pub struct GitRepo { +pub mut: + id int [primary; sql: serial] + // URL of the Git repository + url string [nonull] + // Branch of the Git repository to use + branch string [nonull] + // Which repo the builder should publish packages to + repo string [nonull] + // Cron schedule describing how frequently to build the repo. + schedule string + // On which architectures the package is allowed to be built. In reality, + // this controls which builders will periodically build the image. + arch []GitRepoArch [fkey: 'repo_id'] +} + +// str returns a string representation. +pub fn (gr &GitRepo) str() string { + mut parts := [ + 'id: $gr.id', + 'url: $gr.url', + 'branch: $gr.branch', + 'repo: $gr.repo', + 'schedule: $gr.schedule', + 'arch: ${gr.arch.map(it.value).join(', ')}', + ] + str := parts.join('\n') + + return str +} + +[params] +pub struct GitRepoFilter { +pub mut: + limit u64 = 25 + offset u64 + repo string +} diff --git a/src/models/logs.v b/src/models/logs.v new file mode 100644 index 0000000..7f5a5fe --- /dev/null +++ b/src/models/logs.v @@ -0,0 +1,41 @@ +module models + +import time + +pub struct BuildLog { +pub mut: + id int [primary; sql: serial] + repo_id int [nonull] + start_time time.Time [nonull] + end_time time.Time [nonull] + arch string [nonull] + exit_code int [nonull] +} + +// str returns a string representation. +pub fn (bl &BuildLog) str() string { + mut parts := [ + 'id: $bl.id', + 'repo id: $bl.repo_id', + 'start time: $bl.start_time.local()', + 'end time: $bl.end_time.local()', + 'duration: ${bl.end_time - bl.start_time}', + 'arch: $bl.arch', + 'exit code: $bl.exit_code', + ] + str := parts.join('\n') + + return str +} + +[params] +pub struct BuildLogFilter { +pub mut: + limit u64 = 25 + offset u64 + repo int + before time.Time + after time.Time + arch string + exit_codes []string +} diff --git a/src/models/models.v b/src/models/models.v new file mode 100644 index 0000000..3a127bc --- /dev/null +++ b/src/models/models.v @@ -0,0 +1,53 @@ +module models + +import time + +// from_params creates a new instance of T from the given map by parsing all +// of its fields from the map. +pub fn from_params(params map[string]string) ?T { + mut o := T{} + + patch_from_params(mut o, params)? + + return o +} + +// patch_from_params updates the given T object with the params defined in +// the map. +pub fn patch_from_params(mut o T, params map[string]string) ? { + $for field in T.fields { + if field.name in params && params[field.name] != '' { + $if field.typ is string { + o.$(field.name) = params[field.name] + } $else $if field.typ is int { + o.$(field.name) = params[field.name].int() + } $else $if field.typ is u64 { + o.$(field.name) = params[field.name].u64() + } $else $if field.typ is []GitRepoArch { + o.$(field.name) = params[field.name].split(',').map(GitRepoArch{ value: it }) + } $else $if field.typ is time.Time { + o.$(field.name) = time.unix(params[field.name].int()) + } $else $if field.typ is []string { + o.$(field.name) = params[field.name].split(',') + } + } else if field.attrs.contains('nonull') { + return error('Missing parameter: ${field.name}.') + } + } +} + +// params_from converts a given T struct into a map of strings. +pub fn params_from(o &T) map[string]string { + mut out := map[string]string{} + + $for field in T.fields { + $if field.typ is time.Time { + out[field.name] = o.$(field.name).unix_time().str() + } $else $if field.typ is []string { + out[field.name] = o.$(field.name).join(',') + } $else { + out[field.name] = o.$(field.name).str() + } + } + return out +} diff --git a/src/server/git.v b/src/server/git.v index c5cbc0a..c1bc6f3 100644 --- a/src/server/git.v +++ b/src/server/git.v @@ -4,6 +4,7 @@ import web import net.http import response { new_data_response, new_response } import db +import models { GitRepo, GitRepoArch, GitRepoFilter } // get_repos returns the current list of repos. ['/api/repos'; get] @@ -12,7 +13,10 @@ fn (mut app App) get_repos() web.Result { return app.json(http.Status.unauthorized, new_response('Unauthorized.')) } - repos := app.db.get_git_repos() + filter := models.from_params(app.query) or { + return app.json(http.Status.bad_request, new_response('Invalid query parameters.')) + } + repos := app.db.get_git_repos(filter) return app.json(http.Status.ok, new_data_response(repos)) } @@ -44,7 +48,7 @@ fn (mut app App) post_repo() web.Result { params['arch'] = app.conf.default_arch } - new_repo := db.git_repo_from_params(params) or { + new_repo := models.from_params(params) or { return app.json(http.Status.bad_request, new_response(err.msg())) } @@ -75,7 +79,7 @@ fn (mut app App) patch_repo(id int) web.Result { app.db.update_git_repo(id, app.query) if 'arch' in app.query { - arch_objs := app.query['arch'].split(',').map(db.GitRepoArch{ value: it }) + arch_objs := app.query['arch'].split(',').map(GitRepoArch{ value: it }) app.db.update_git_repo_archs(id, arch_objs) } diff --git a/src/server/logs.v b/src/server/logs.v index 21331e5..314e322 100644 --- a/src/server/logs.v +++ b/src/server/logs.v @@ -8,6 +8,7 @@ import db import time import os import util +import models { BuildLog, BuildLogFilter } // get_logs returns all build logs in the database. A 'repo' query param can // optionally be added to limit the list of build logs to that repository. @@ -17,11 +18,10 @@ fn (mut app App) get_logs() web.Result { return app.json(http.Status.unauthorized, new_response('Unauthorized.')) } - logs := if 'repo' in app.query { - app.db.get_build_logs_for_repo(app.query['repo'].int()) - } else { - app.db.get_build_logs() + filter := models.from_params(app.query) or { + return app.json(http.Status.bad_request, new_response('Invalid query parameters.')) } + logs := app.db.get_build_logs(filter) return app.json(http.Status.ok, new_data_response(logs)) } @@ -70,13 +70,19 @@ fn (mut app App) post_log() web.Result { } // Parse query params - start_time := parse_query_time(app.query['startTime']) or { + start_time_int := app.query['startTime'].int() + + if start_time_int == 0 { return app.json(http.Status.bad_request, new_response('Invalid or missing start time.')) } + start_time := time.unix(start_time_int) - end_time := parse_query_time(app.query['endTime']) or { + end_time_int := app.query['endTime'].int() + + if end_time_int == 0 { return app.json(http.Status.bad_request, new_response('Invalid or missing end time.')) } + end_time := time.unix(end_time_int) if 'exitCode' !in app.query { return app.json(http.Status.bad_request, new_response('Missing exit code.')) @@ -97,7 +103,7 @@ fn (mut app App) post_log() web.Result { } // Store log in db - log := db.BuildLog{ + log := BuildLog{ repo_id: repo_id start_time: start_time end_time: end_time diff --git a/src/server/server.v b/src/server/server.v index 090aa76..2309ee7 100644 --- a/src/server/server.v +++ b/src/server/server.v @@ -68,7 +68,9 @@ pub fn server(conf Config) ? { } db_file := os.join_path_single(conf.data_dir, server.db_file_name) - db := db.init(db_file) or { util.exit_with_message(1, 'Failed to initialize database.') } + db := db.init(db_file) or { + util.exit_with_message(1, 'Failed to initialize database: $err.msg()') + } web.run(&App{ logger: logger diff --git a/src/web/web.v b/src/web/web.v index f237e24..b053904 100644 --- a/src/web/web.v +++ b/src/web/web.v @@ -25,12 +25,12 @@ pub const ( http_302 = http.new_response( status: .found - text: '302 Found' + body: '302 Found' header: headers_close ) http_400 = http.new_response( status: .bad_request - text: '400 Bad Request' + body: '400 Bad Request' header: http.new_header( key: .content_type value: 'text/plain' @@ -38,7 +38,7 @@ pub const ( ) http_404 = http.new_response( status: .not_found - text: '404 Not Found' + body: '404 Not Found' header: http.new_header( key: .content_type value: 'text/plain' @@ -46,7 +46,7 @@ pub const ( ) http_500 = http.new_response( status: .internal_server_error - text: '500 Internal Server Error' + body: '500 Internal Server Error' header: http.new_header( key: .content_type value: 'text/plain' @@ -209,7 +209,7 @@ pub fn (mut ctx Context) send_response_to_client(mimetype string, res string) bo mut resp := http.Response{ header: header.join(web.headers_close) - text: res + body: res } resp.set_version(.v1_1) resp.set_status(ctx.status)