v/cmd/tools/vdoc.v

511 lines
15 KiB
V

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
const (
exe_path = os.executable()
exe_dir = os.dir(exe_path)
res_path = os.join_path(exe_dir, 'vdoc-resources')
)
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/$file_name' }
else { '' }
}
if repo_url.starts_with('https://github.com/vlang/v') && !url.path.contains('master/vlib') {
url.path = url.path.replace('/blob/master/$file_name', '/blob/master/vlib/$file_name')
}
if url.path == '/' { return '' }
url.fragment = 'L$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)
link_svg := '<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 0 24 24" width="24"><path d="M0 0h24v24H0z" fill="none"/><path d="M3.9 12c0-1.71 1.39-3.1 3.1-3.1h4V7H7c-2.76 0-5 2.24-5 5s2.24 5 5 5h4v-1.9H7c-1.71 0-3.1-1.39-3.1-3.1zM8 13h8v-2H8v2zm9-6h-4v1.9h4c1.71 0 3.1 1.39 3.1 3.1s-1.39 3.1-3.1 3.1h-4V17h4c2.76 0 5-2.24 5-5s-2.24-5-5-5z"/></svg>'
head_tag := if head { 'h1' } else { 'h2' }
md_content := markdown.to_html(dd.comment)
dnw.writeln('<section id="${slug(dd.name)}" class="doc-node">')
if dd.name != 'README' {
dnw.write('<div class="title"><$head_tag>${dd.name} <a href="#${slug(dd.name)}">#</a></$head_tag>')
if link.len != 0 {
dnw.write('<a class="link" target="_blank" href="$link">$link_svg</a>')
}
dnw.write('</div>')
}
if head {
dnw.write(md_content)
} else {
dnw.writeln('<pre><code class="signature">${dd.content}</code></pre>')
dnw.writeln(md_content)
}
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 http-equiv="x-ua-compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>${dcs.head.name} | vdoc</title>
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Source+Code+Pro:wght@500&display=swap" rel="stylesheet">
<link rel="stylesheet" href="https://necolas.github.io/normalize.css/8.0.1/normalize.css">')
// get resources
doc_css_min := get_resource('doc.css', true)
light_icon := get_resource('light.svg', true)
dark_icon := get_resource('dark.svg', true)
menu_icon := get_resource('menu.svg', true)
arrow_icon := get_resource('arrow.svg', true)
// write css
hw.write('<style>$doc_css_min</style>')
version := if cfg.manifest.version.len != 0 { cfg.manifest.version } 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 nav1
hw.write('
<body>
<div id="page">
<header class="doc-nav hidden">
<div class="heading-container">
<div class="heading">
<input type="text" id="search" placeholder="Search...">
<div class="module">${header_name}</div>
<div class="toggle-version-container">
<span>${version}</span>
<div id="dark-mode-toggle" role="checkbox">$light_icon $dark_icon</div>
</div>
$menu_icon
</div>
</div>
<nav class="content hidden">
<ul>')
if cfg.is_multi && cfg.docs.len > 1 {
mut submod_prefix := ''
for i, doc in cfg.docs {
if i-1 >= 0 && doc.head.name.starts_with(submod_prefix + '.') {
continue
}
names := doc.head.name.split('.')
submod_prefix = if names.len > 1 { names[0] } else { doc.head.name }
href_name := if doc.head.name == 'README' {
'./index.html'
} else if submod_prefix !in cfg.docs.map(it.head.name) {
'#'
} else {
'./' + doc.head.name + '.html'
}
submodules := cfg.docs.filter(it.head.name.starts_with(submod_prefix + '.'))
dropdown := if submodules.len > 0 { arrow_icon } else { '' }
mut is_submodule_open := false
for _, cdoc in submodules {
if cdoc.head.name == dcs.head.name {
is_submodule_open = true
}
}
open_class := if doc.head.name == dcs.head.name || is_submodule_open { ' open' } else { '' }
active_class := if doc.head.name == dcs.head.name { ' active' } else { '' }
hw.write('<li class="$open_class$active_class"><div class="menu-row">$dropdown<a href="$href_name">${submod_prefix}</a></div>')
for j, cdoc in submodules {
if j == 0 {
hw.write('<ul>')
}
submod_name := cdoc.head.name.all_after(submod_prefix + '.')
sub_selected_classes := if cdoc.head.name == dcs.head.name { ' class="active"' } else { '' }
hw.write('<li$sub_selected_classes><a href="./${cdoc.head.name}.html">${submod_name}</a></li>')
if j == submodules.len - 1 {
hw.write('</ul>')
}
}
hw.write('</li>')
}
} else {
hw.writeln(toc.str())
}
hw.write('</ul>\n</nav>\n</header>')
hw.write('<div class="doc-container">\n<div class="doc-content">\n')
hw.write(doc_node_html(dcs.head, '', true))
for cn in dcs.contents {
if cn.parent_type !in ['void', ''] { continue }
base_dir := os.base_dir(os.real_path(cfg.src_path))
file_path_name := cn.file_path.replace('$base_dir/', '')
hw.write(doc_node_html(cn, get_src_link(cfg.manifest.repo_url, file_path_name, cn.pos.line), false))
children := dcs.contents.find_children_of(cn.name)
if children.len != 0 {
for child in children {
child_file_path_name := child.file_path.replace('$base_dir/', '')
hw.write(doc_node_html(child, get_src_link(cfg.manifest.repo_url, child_file_path_name, child.pos.line), false))
}
}
}
hw.write('\n</div>\n')
if cfg.is_multi && cfg.docs.len > 1 && dcs.head.name != 'README' {
hw.write('<div class="doc-toc">\n\n<ul>\n${toc.str()}</ul>\n</div>')
}
doc_js_min := get_resource('doc.js', true)
hw.write('</div></div><script>$doc_js_min</script>
</body>
</html>')
return hw.str()
}
fn (cfg DocConfig) gen_plaintext(idx int) string {
dcs := cfg.docs[idx]
mut pw := strings.new_builder(200)
head_lines := '='.repeat(dcs.head.content.len)
pw.writeln('${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 !in [.html, .stdout] {
eprintln('vdoc: Including README.md for doc generation is supported on HTML output, or when running directly in the terminal.')
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
config.manifest.repo_url = 'https://github.com/vlang/v'
}
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 {
readme_contents := os.read_file(readme_path) or { '' }
if output_type == .stdout {
println(readme_contents)
}
if output_type == .html {
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 get_resource(name string, minify bool) string {
path := os.join_path(res_path, name)
res := os.read_file(path) or { panic('could not read $path') }
if minify {
res.replace('\n', ' ')
}
return res
}
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()
}