v/cmd/tools/vdoc.v

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module main
import markdown
import net
import net.urllib
import os
import os.cmdline
import strings
import v.doc
import v.util
import v.vmod
enum OutputType {
html
markdown
json
plaintext
stdout
}
struct DocConfig {
pub_only bool = true
show_loc bool = false // for plaintext
serve_http bool = false // for html
is_multi bool = false
include_readme bool = false
mut:
opath string
src_path string
docs []doc.Doc
manifest vmod.Manifest
}
fn slug(title string) string {
return title.replace(' ', '-')
}
fn open_url(url string) {
$if windows {
os.system('start $url')
}
$if macos {
os.system('open $url')
}
$if linux {
os.system('xdg-open $url')
}
}
fn (mut cfg DocConfig) serve_html() {
docs := cfg.multi_render(.html)
def_name := docs.keys()[0]
server := net.listen(8046) or {
panic(err)
}
println('Serving docs on: http://localhost:8046')
open_url('http://localhost:8046')
for {
con := server.accept() or {
server.close() or { }
panic(err)
}
s := con.read_line()
first_line := s.all_before('\n')
mut filename := def_name
if first_line.len != 0 {
data := first_line.split(' ')
url := urllib.parse(data[1]) or { return }
filename = if url.path == '/' { def_name } else { url.path.trim_left('/') }
}
html := docs[filename]
con.write('HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n$html') or {
con.close() or { return }
return
}
con.close() or { return }
}
}
fn get_src_link(repo_url string, file_name string, line_nr int) string {
mut url := urllib.parse(repo_url) or {
return ''
}
if url.path.len <= 1 || file_name.len == 0 {
return ''
}
url.path = url.path.trim_right('/') + match url.host {
'github.com' { '/blob/master/$file_name' }
'gitlab.com' { '/-/blob/master/$file_name' }
'git.sir.ht' { '/tree/master/$file_name' }
else { '' }
}
if url.path == '/' { return '' }
url.fragment = 'L$line_nr'
return url.str()
}
fn escape(str string) string {
return str.replace_each(['"', '\\"', '\r\n', '\\n', '\n', '\\n'])
}
fn (cfg DocConfig) gen_json(idx int) string {
dcs := cfg.docs[idx]
mut jw := strings.new_builder(200)
jw.writeln('{\n\t"module_name": "$dcs.head.name",\n\t"description": "${escape(dcs.head.comment)}",\n\t"contents": [')
for i, cn in dcs.contents {
name := cn.name[dcs.head.name.len+1..]
jw.writeln('\t\t{')
jw.writeln('\t\t\t"name": "$name",')
jw.writeln('\t\t\t"signature": "${escape(cn.content)}",')
jw.writeln('\t\t\t"description": "${escape(cn.comment)}"')
jw.write('\t\t}')
if i < dcs.contents.len-1 { jw.writeln(',') }
}
jw.writeln('\n\t],')
jw.write('\t"generator": "vdoc",\n\t"time_generated": "${dcs.time_generated.str()}"\n}')
return jw.str()
}
fn (cfg DocConfig) gen_html(idx int) string {
dcs := cfg.docs[idx]
mut hw := strings.new_builder(200)
mut toc := strings.new_builder(200)
mut doc_node_html := fn (dd doc.DocNode, link string, head bool) string {
mut dnw := strings.new_builder(200)
head_tag := if head { 'h1' } else { 'h2' }
md_content := markdown.to_html(dd.comment)
dnw.writeln('<section id="${slug(dd.name)}" class="doc-node">')
if dd.name != 'README' {
dnw.write('<$head_tag>${dd.name} <a href="#${slug(dd.name)}">#</a></$head_tag>')
}
if head {
dnw.write(md_content)
} else {
dnw.writeln('<code class="code-snippet">${dd.content}</code>')
dnw.writeln(md_content)
if link.len != 0 {
dnw.writeln('<p>[<a href="#$link">Source</a>]</p>')
}
}
dnw.writeln('</section>')
return dnw.str()
}
// generate toc first
for cn in dcs.contents {
if cn.parent_type !in ['void', ''] { continue }
toc.write('<li><a href="#${slug(cn.name)}">${cn.name}</a>')
children := dcs.contents.find_children_of(cn.name)
if children.len != 0 {
toc.writeln(' <ul>')
for child in children {
toc.writeln('<li><a href="#${slug(child.name)}">${child.name}</a></li>')
}
toc.writeln('</ul>')
}
toc.writeln('</li>')
} // write head
hw.write('<!DOCTYPE html><html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>${dcs.head.name} | vdoc</title>
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&display=swap" rel="stylesheet">')
// write css
hw.write(r'<style>/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */html{line-height:1.15;-webkit-text-size-adjust:100%}body{margin:0}main{display:block}h1{font-size:2em;margin:.67em 0}hr{box-sizing:content-box;height:0;overflow:visible}pre{font-family:monospace,monospace;font-size:1em}a{background-color:transparent}abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}b,strong{font-weight:bolder}code,kbd,samp{font-family:monospace,monospace;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}img{border-style:none}button,input,optgroup,select,textarea{font-family:inherit;font-size:100%;line-height:1.15;margin:0}button,input{overflow:visible}button,select{text-transform:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner,button::-moz-focus-inner{border-style:none;padding:0}[type=button]:-moz-focusring,[type=reset]:-moz-focusring,[type=submit]:-moz-focusring,button:-moz-focusring{outline:1px dotted ButtonText}fieldset{padding:.35em .75em .625em}legend{box-sizing:border-box;color:inherit;display:table;max-width:100%;padding:0;white-space:normal}progress{vertical-align:baseline}textarea{overflow:auto}[type=checkbox],[type=radio]{box-sizing:border-box;padding:0}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}details{display:block}summary{display:list-item}[hidden],template{display:none}blockquote,dd,dl,figure,h1,h2,h3,h4,h5,h6,hr,p,pre{margin:0}button{background-color:transparent;background-image:none;padding:0}button:focus{outline:1px dotted;outline:5px auto -webkit-focus-ring-color}fieldset,ol,ul{margin:0;padding:0}ol,ul{list-style:none}html{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;line-height:1.5}*,:after,:before{box-sizing:border-box;border:0 solid #e2e8f0}hr{border-top-width:1px}img{border-style:solid}textarea{resize:vertical}input::placeholder,textarea::placeholder{color:#a0aec0}[role=button],button{cursor:pointer}table{border-collapse:collapse}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;text-decoration:inherit}button,input,optgroup,select,textarea{padding:0;line-height:inherit;color:inherit}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}audio,canvas,embed,iframe,img,object,svg,video{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}.container{width:100%}.flex{display:flex}.hidden{display:none}.font-bold{font-weight:700}.resize{resize:both}.text-gray-600{--text-opacity:1;color:#718096;color:rgba(113,128,150,var(--text-opacity))}.doc-container{display:flex;flex-direction:column-reverse;min-height:100vh;margin-top:10%}.doc-nav{position:fixed;left:0;top:0;right:0;display:flex;flex-direction:column;--bg-opacity:1;background-color:#2b6cb0;background-color:rgba(43,108,176,var(--bg-opacity));--text-opacity:1;color:#fff;color:rgba(255,255,255,var(--text-opacity));padding:1rem}.doc-nav .heading{display:flex;justify-content:space-between;align-items:center}.doc-nav .heading h2{font-size:1.875rem;font-weight:500}.doc-nav .heading .version{font-size:1.5rem;font-weight:500;margin-right:auto;--text-opacity:1;color:#bee3f8;color:rgba(190,227,248,var(--text-opacity))}.doc-nav nav{flex-direction:column;--text-opacity:1;color:#fff;color:rgba(255,255,255,var(--text-opacity));padding-left:2rem;padding-right:2rem;padding-bottom:3rem;margin-top:.5rem;margin-left:-2rem;margin-right:-2rem;height:100%;overflow-y:auto;max-height:100vh}.doc-nav nav .section{text-decoration:none;display:fl
version := if cfg.manifest.version.len != 0 { '<span class="version">${cfg.manifest.version}</span>' } else { '' }
repo_link := if cfg.manifest.repo_url.len != 0 {
'<a href="${cfg.manifest.repo_url}" class="section">
Repository
<svg fill="currentColor" width="13%" viewBox="0 0 20 20"><path d="M12.316 3.051a1 1 0 01.633 1.265l-4 12a1 1 0 11-1.898-.632l4-12a1 1 0 011.265-.633zM5.707 6.293a1 1 0 010 1.414L3.414 10l2.293 2.293a1 1 0 11-1.414 1.414l-3-3a1 1 0 010-1.414l3-3a1 1 0 011.414 0zm8.586 0a1 1 0 011.414 0l3 3a1 1 0 010 1.414l-3 3a1 1 0 11-1.414-1.414L16.586 10l-2.293-2.293a1 1 0 010-1.414z" clip-rule="evenodd" fill-rule="evenodd"></path></svg>
</a>'
} else { '' }
header_name := if cfg.is_multi && cfg.docs.len > 1 { os.file_name(os.real_path(cfg.src_path)) } else { dcs.head.name }
// write nav
hw.write('<header class="doc-nav">
<div class="heading">
<h2>${header_name}</h2>
${version}
<button id="toggleMenu" class="lg:hidden">
<svg fill="currentColor" width="2rem" viewBox="0 0 20 20"><path d="M3 5a1 1 0 011-1h12a1 1 0 110 2H4a1 1 0 01-1-1zM3 10a1 1 0 011-1h12a1 1 0 110 2H4a1 1 0 01-1-1zM3 15a1 1 0 011-1h12a1 1 0 110 2H4a1 1 0 01-1-1z" clip-rule="evenodd" fill-rule="evenodd"></path></svg>
</button>
</div>
<nav class="toggleable hidden lg:flex">
${repo_link}
<p class="section">
Contents
<svg fill="currentColor" width="13%" viewBox="0 0 20 20"><path d="M3 5a1 1 0 011-1h12a1 1 0 110 2H4a1 1 0 01-1-1zM3 10a1 1 0 011-1h12a1 1 0 110 2H4a1 1 0 01-1-1zM3 15a1 1 0 011-1h6a1 1 0 110 2H4a1 1 0 01-1-1z" clip-rule="evenodd" fill-rule="evenodd"></path></svg>
</p><ul>')
if cfg.is_multi && cfg.docs.len > 1 {
mut submod_prefix := ''
for i, doc in cfg.docs {
if i-1 >= 0 && doc.head.name.starts_with(submod_prefix + '.') {
continue
}
names := doc.head.name.split('.')
submod_prefix = if names.len > 1 { names[0] } else { doc.head.name }
class_css := if doc.head.name == dcs.head.name { 'class="font-bold" ' } else { '' }
href_name := if doc.head.name == 'README' {
'./index.html'
} else if submod_prefix !in cfg.docs.map(it.head.name) {
'#'
} else {
'./' + doc.head.name + '.html'
}
submodules := cfg.docs.filter(it.head.name.starts_with(submod_prefix + '.'))
hw.write('<li><a ${class_css}href="$href_name">${submod_prefix}</a>')
for j, cdoc in submodules {
if j == 0 {
hw.write('<ul>')
}
submod_name := cdoc.head.name.all_after(submod_prefix + '.')
hw.write('<li><a ${class_css}href="./${cdoc.head.name}.html">${submod_name}</a></li>')
if j == submodules.len-1 {
hw.write('</ul>')
}
}
hw.write('</li>')
}
} else {
hw.writeln(toc.str())
}
hw.write('</ul>\n</nav>\n</header>')
hw.write('<div class="doc-container">\n<div class="doc-content">\n')
hw.write(doc_node_html(dcs.head, '', true))
for cn in dcs.contents {
if cn.parent_type !in ['void', ''] { continue }
hw.write(doc_node_html(cn, get_src_link(cfg.manifest.repo_url, os.file_name(cn.file_path), cn.pos.line), false))
children := dcs.contents.find_children_of(cn.name)
if children.len != 0 {
for child in children {
hw.write(doc_node_html(child, get_src_link(cfg.manifest.repo_url, os.file_name(child.file_path), child.pos.line), false))
}
}
}
hw.write('\n</div>\n')
if cfg.is_multi && cfg.docs.len > 1 && dcs.head.name != 'README' {
hw.write('<div class="doc-toc">\n<p class="section">Contents</p>\n<ul>\n${toc.str()}</ul>\n</div>')
}
hw.write('</div>
<script>
var toggle = document.getElementById("toggleMenu");
toggle.addEventListener("click", function (ev) {
document.querySelectorAll(".toggleable").forEach(function(el) {
el.classList.toggle("hidden");
el.classList.toggle("flex");
})
});
</script>
</body>
</html>')
return hw.str()
}
fn (cfg DocConfig) gen_plaintext(idx int) string {
dcs := cfg.docs[idx]
mut pw := strings.new_builder(200)
head_lines := '='.repeat(dcs.head.content.len)
pw.writeln('${dcs.head.content}\n$head_lines\n')
for cn in dcs.contents {
pw.writeln(cn.content)
if cn.comment.len > 0 {
pw.writeln('\n' + cn.comment)
}
if cfg.show_loc {
pw.writeln('Location: ${cn.file_path}:${cn.pos.line}:${cn.pos.col}\n\n')
}
}
pw.writeln('Generated on $dcs.time_generated')
return pw.str()
}
fn (cfg DocConfig) gen_markdown(idx int, with_toc bool) string {
dcs := cfg.docs[idx]
mut hw := strings.new_builder(200)
mut cw := strings.new_builder(200)
hw.writeln('# ${dcs.head.content}\n${dcs.head.comment}\n')
if with_toc {
hw.writeln('## Contents')
}
for cn in dcs.contents {
name := cn.name.all_after(dcs.head.name+'.')
if with_toc {
hw.writeln('- [#$name](${slug(name)})')
}
cw.writeln('## $name')
cw.writeln('```v\n${cn.content}\n```${cn.comment}\n')
cw.writeln('[\[Return to contents\]](#Contents)\n')
}
cw.writeln('#### Generated by vdoc. Last generated: ${dcs.time_generated.str()}')
return hw.str() + '\n' + cw.str()
}
fn (cfg DocConfig) multi_render(output_type OutputType) map[string]string {
mut docs := map[string]string
for i, doc in cfg.docs {
mut name := if doc.head.name == 'README' {
'index'
} else if cfg.docs.len == 1 && !os.is_dir(cfg.opath) {
os.dir(os.file_name(cfg.opath))
} else {
doc.head.name
}
name = name + match output_type {
.html { '.html' }
.markdown { '.md' }
.json { '.json' }
else { '.txt' }
}
docs[name] = match output_type {
.html { cfg.gen_html(i) }
.markdown { cfg.gen_markdown(i, true) }
.json { cfg.gen_json(i) }
else { cfg.gen_plaintext(i) }
}
}
return docs
}
fn (mut config DocConfig) generate_docs_from_file() {
if config.opath.len != 0 {
config.opath = os.join_path(os.real_path(os.base_dir(config.opath)), os.file_name(config.opath))
}
println(config.opath)
mut output_type := OutputType.plaintext
// identify output type
if config.serve_http {
output_type = .html
} else if config.opath.len == 0 {
output_type = .stdout
} else {
ext := os.file_ext(config.opath)
if ext in ['.md', '.markdown'] || config.opath in [':md:', ':markdown:'] {
output_type = .markdown
} else if ext in ['.html', '.htm'] || config.opath == ':html:' {
output_type = .html
} else if ext == '.json' || config.opath == ':json:' {
output_type = .json
} else {
output_type = .plaintext
}
}
if config.include_readme && output_type != .html {
eprintln('vdoc: Including README.md for doc generation is supported on HTML output only.')
exit(1)
}
mut manifest_path := os.join_path(if os.is_dir(config.src_path) { config.src_path } else { os.base_dir(config.src_path) }, 'v.mod')
if os.exists(manifest_path) && 'vlib' !in config.src_path {
if manifest := vmod.from_file(manifest_path) {
config.manifest = manifest
}
}
if 'vlib' in config.src_path {
config.manifest.version = util.v_version
}
readme_path := if 'vlib' in config.src_path {
os.join_path(os.base_dir(@VEXE), 'README.md')
} else {
os.join_path(config.src_path, 'README.md')
}
// check README.md
if os.exists(readme_path) && config.include_readme {
println('Found README.md...')
readme_contents := os.read_file(readme_path) or { '' }
config.docs << doc.Doc{
head: doc.DocNode{
name: 'README',
comment: readme_contents
}
}
}
if config.is_multi {
dirs := get_modules_list(config.src_path)
for dirpath in dirs {
dcs := doc.generate(dirpath, config.pub_only, 'vlib' !in config.src_path) or {
panic(err)
}
if dcs.contents.len == 0 { continue }
config.docs << dcs
}
} else {
dcs := doc.generate(config.src_path, config.pub_only, 'vlib' !in config.src_path) or {
panic(err)
}
config.docs << dcs
}
if config.serve_http {
config.serve_html()
return
}
outputs := config.multi_render(output_type)
if output_type == .stdout || (config.opath.starts_with(':') && config.opath.ends_with(':')) {
first := outputs.keys()[0]
println(outputs[first])
} else {
if !os.is_dir(config.opath) {
config.opath = os.base_dir(config.opath)
}
if config.is_multi {
config.opath = os.join_path(config.opath, '_docs')
if !os.exists(config.opath) {
os.mkdir(config.opath) or {
panic(err)
}
}
}
for file_name, content in outputs {
opath := os.join_path(config.opath, file_name)
println('Generating ${opath}...')
os.write_file(opath, content)
}
}
}
fn lookup_module(mod string) ?string {
mod_path := mod.replace('.', '/')
vexe_path := os.base_dir(@VEXE)
compile_dir := os.real_path(os.base_dir('.'))
modules_dir := os.join_path(compile_dir, 'modules', mod_path)
vlib_path := os.join_path(vexe_path, 'vlib', mod_path)
vmodules_path := os.join_path(os.home_dir(), '.vmodules', mod_path)
paths := [modules_dir, vlib_path, vmodules_path]
for path in paths {
if os.is_dir_empty(path) { continue }
return path
}
return error('vdoc: Module "${mod}" not found.')
}
fn get_modules_list(path string) []string {
files := os.walk_ext(path, 'v')
mut dirs := []string{}
for file in files {
if 'test' in file || 'js' in file || 'x64' in file || 'bare' in file || 'uiold' in file || 'vweb' in file { continue }
dirname := os.base_dir(file)
if dirname in dirs { continue }
dirs << dirname
}
dirs.sort()
return dirs
}
fn main() {
args_after_doc := cmdline.options_after(os.args[1..], ['doc'])
opts := cmdline.only_options(os.args[1..])
args := cmdline.only_non_options(args_after_doc)
if args.len == 0 || args[0] == 'help' {
os.system('v help doc')
exit(0)
}
mut config := DocConfig{
src_path: args[0],
opath: if args.len >= 2 { args[1] } else { '' },
pub_only: '-all' !in opts,
show_loc: '-loc' in opts,
serve_http: '-s' in opts,
is_multi: '-m' in opts,
include_readme: '-r' in opts,
manifest: vmod.Manifest{ repo_url: '' }
}
is_path := config.src_path.ends_with('.v') || config.src_path.split('/').len > 1 || config.src_path == '.'
if !is_path {
mod_path := lookup_module(config.src_path) or {
eprintln(err)
exit(1)
}
config.src_path = mod_path
}
config.generate_docs_from_file()
}