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v/cmd/tools/vdoc/vdoc.v
2021-01-02 23:17:54 +02:00

1219 lines
34 KiB
V

module main
import markdown
import net
import net.urllib
import os
import os.cmdline
import time
import strings
import sync
import runtime
import v.doc
import v.scanner
import v.table
import v.token
import v.vmod
import v.pref
import json
import io
enum HighlightTokenTyp {
unone
boolean
builtin
char
comment
function
keyword
name
number
operator
punctuation
string
symbol
}
const (
css_js_assets = ['doc.css', 'normalize.css', 'doc.js', 'dark-mode.js']
allowed_formats = ['md', 'markdown', 'json', 'text', 'stdout', 'html', 'htm']
res_path = os.resource_abs_path('resources')
favicons_path = os.join_path(res_path, 'favicons')
vexe = pref.vexe_path()
vroot = os.dir(vexe)
html_content = '<!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>{{ title }} | vdoc</title>
<link rel="preconnect" href="https://fonts.gstatic.com">
<link href="https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap" rel="stylesheet">
<link href="https://fonts.googleapis.com/css2?family=Work+Sans:wght@400;500;600&display=swap" rel="stylesheet">
<link rel="apple-touch-icon" sizes="180x180" href="apple-touch-icon.png">
<link rel="icon" type="image/png" sizes="32x32" href="favicon-32x32.png">
<link rel="icon" type="image/png" sizes="16x16" href="favicon-16x16.png">
<link rel="manifest" href="site.webmanifest">
<link rel="mask-icon" href="safari-pinned-tab.svg" color="#5bbad5">
<meta name="msapplication-TileColor" content="#da532c">
<meta name="theme-color" content="#ffffff">
{{ head_assets }}
</head>
<body>
<div id="page">
<header class="doc-nav hidden">
<div class="heading-container">
<div class="heading">
<input type="text" id="search" placeholder="Search... (beta)" autocomplete="off">
<div class="module">{{ head_name }}</div>
<div class="toggle-version-container">
<span>{{ version }}</span>
<div id="dark-mode-toggle" role="switch" aria-checked="false" aria-label="Toggle dark mode">{{ light_icon }}{{ dark_icon }}</div>
</div>
{{ menu_icon }}
</div>
</div>
<nav class="search"></nav>
<nav class="content hidden">
<ul>
{{ toc_links }}
</ul>
</nav>
</header>
<div class="doc-scrollview">
<div class="doc-container">
<div class="doc-content">
{{ contents }}
<div class="footer">
{{ footer_content }}
</div>
</div>
{{ right_content }}
</div>
</div>
</div>
{{ footer_assets }}
<script async src="search_index.js" type="text/javascript"></script>
</body>
</html>'
tabs = ['\t\t', '\t\t\t\t\t\t', '\t\t\t\t\t\t\t']
)
enum OutputType {
unset
html
markdown
json
plaintext
stdout
}
struct DocConfig {
mut:
is_local bool
local_filename string
local_pos int
pub_only bool = true
show_loc bool // for plaintext
serve_http bool // for html
is_multi bool
is_vlib bool
is_verbose bool
include_readme bool
open_docs bool
server_port int = 8046
inline_assets bool
no_timestamp bool
output_path string
input_path string
symbol_name string
output_type OutputType = .unset
docs []doc.Doc
manifest vmod.Manifest
assets map[string]string
search_index []string
search_data []SearchResult
search_module_index []string // search results are split into a module part and the rest
search_module_data []SearchModuleResult
}
struct SearchModuleResult {
description string
link string
}
struct SearchResult {
prefix string
badge string
description string
link string
}
struct ParallelDoc {
d doc.Doc
i int
}
[inline]
fn slug(title string) string {
return title.replace(' ', '-')
}
[inline]
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() {
cfg.render_static()
docs := cfg.render()
dkeys := docs.keys()
if dkeys.len < 1 {
eprintln('no documentation created, the module has no `pub` functions')
exit(1)
}
def_name := docs.keys()[0]
server_url := 'http://localhost:' + cfg.server_port.str()
server := net.listen_tcp(cfg.server_port) or { panic(err) }
println('Serving docs on: $server_url')
if cfg.open_docs {
open_url(server_url)
}
content_type := match cfg.output_type {
.html { 'text/html' }
.markdown { 'text/markdown' }
.json { 'application/json' }
else { 'text/plain' }
}
server_context := VdocHttpServerContext{
docs: docs
content_type: content_type
default_filename: def_name
}
for {
mut conn := server.accept() or {
server.close() or { }
panic(err)
}
handle_http_connection(mut conn, server_context)
conn.close() or { eprintln('error closing the connection: $err') }
}
}
struct VdocHttpServerContext {
docs map[string]string
content_type string
default_filename string
}
fn handle_http_connection(mut con net.TcpConn, ctx &VdocHttpServerContext) {
mut reader := io.new_buffered_reader(reader: io.make_reader(con))
first_line := reader.read_line() or {
send_http_response(mut con, 501, ctx.content_type, 'bad request')
return
}
request_parts := first_line.split(' ')
if request_parts.len != 3 {
send_http_response(mut con, 501, ctx.content_type, 'bad request')
return
}
urlpath := request_parts[1]
filename := if urlpath == '/' {
ctx.default_filename.trim_left('/')
} else {
urlpath.trim_left('/')
}
if ctx.docs[filename].len == 0 {
send_http_response(mut con, 404, ctx.content_type, 'file not found')
return
}
send_http_response(mut con, 200, ctx.content_type, ctx.docs[filename])
}
fn send_http_response(mut con net.TcpConn, http_code int, content_type string, html string) {
content_length := html.len.str()
shttp_code := http_code.str()
mut http_response := strings.new_builder(20000)
http_response.write('HTTP/1.1 ')
http_response.write(shttp_code)
http_response.write(' OK\r\n')
http_response.write('Server: VDoc\r\n')
http_response.write('Content-Type: ')
http_response.write(content_type)
http_response.write('\r\n')
http_response.write('Content-Length: ')
http_response.write(content_length)
http_response.write('\r\n')
http_response.write('Connection: close\r\n')
http_response.write('\r\n')
http_response.write(html)
sresponse := http_response.str()
con.write_str(sresponse) or { eprintln('error sending http response: $err') }
}
fn get_src_link(repo_url string, file_name string, line_nr int) string {
mut url := urllib.parse(repo_url) or { return '' }
if url.path.len <= 1 || file_name.len == 0 {
return ''
}
url.path = url.path.trim_right('/') + match url.host {
'github.com' { '/blob/master/$file_name' }
'gitlab.com' { '/-/blob/master/$file_name' }
'git.sir.ht' { '/tree/master/$file_name' }
else { '' }
}
if url.path == '/' {
return ''
}
url.fragment = 'L$line_nr'
return url.str()
}
fn js_compress(str string) string {
mut js := strings.new_builder(200)
lines := str.split_into_lines()
rules := [') {', ' = ', ', ', '{ ', ' }', ' (', '; ', ' + ', ' < ', ' - ', ' || ', ' var',
': ', ' >= ', ' && ', ' else if', ' === ', ' !== ', ' else ']
clean := ['){', '=', ',', '{', '}', '(', ';', '+', '<', '-', '||', 'var', ':', '>=', '&&',
'else if', '===', '!==', 'else']
for line in lines {
mut trimmed := line.trim_space()
if trimmed.starts_with('//') || (trimmed.starts_with('/*') && trimmed.ends_with('*/')) {
continue
}
for i in 0 .. rules.len - 1 {
trimmed = trimmed.replace(rules[i], clean[i])
}
js.write(trimmed)
}
js_str := js.str()
js.free()
return js_str
}
fn escape(str string) string {
return str.replace_each(['"', '\\"', '\r\n', '\\n', '\n', '\\n', '\t', '\\t'])
}
fn (cfg DocConfig) gen_json(idx int) string {
dcs := cfg.docs[idx]
mut jw := strings.new_builder(200)
jw.write('{"module_name":"$dcs.head.name","description":"${escape(dcs.head.comment)}","contents":')
jw.write(json.encode(dcs.contents.keys().map(dcs.contents[it])))
jw.write(',"generator":"vdoc","time_generated":"$dcs.time_generated.str()"}')
return jw.str()
}
fn html_highlight(code string, tb &table.Table) string {
builtin := ['bool', 'string', 'i8', 'i16', 'int', 'i64', 'i128', 'byte', 'u16', 'u32', 'u64',
'u128', 'rune', 'f32', 'f64', 'any_int', 'any_float', 'byteptr', 'voidptr', 'any']
highlight_code := fn (tok token.Token, typ HighlightTokenTyp) string {
lit := if typ in [.unone, .operator, .punctuation] {
tok.kind.str()
} else if typ == .string {
"'$tok.lit'"
} else if typ == .char {
'`$tok.lit`'
} else {
tok.lit
}
return if typ in [.unone, .name] {
lit
} else {
'<span class="token $typ">$lit</span>'
}
}
mut s := scanner.new_scanner(code, .parse_comments, &pref.Preferences{})
mut tok := s.scan()
mut next_tok := s.scan()
mut buf := strings.new_builder(200)
mut i := 0
for i < code.len {
if i == tok.pos {
mut tok_typ := HighlightTokenTyp.unone
match tok.kind {
.name {
if tok.lit in builtin || tb.known_type(tok.lit) {
tok_typ = .builtin
} else if next_tok.kind == .lcbr {
tok_typ = .symbol
} else if next_tok.kind == .lpar {
tok_typ = .function
} else {
tok_typ = .name
}
}
.comment {
tok_typ = .comment
}
.chartoken {
tok_typ = .char
}
.string {
tok_typ = .string
}
.number {
tok_typ = .number
}
.key_true, .key_false {
tok_typ = .boolean
}
.lpar, .lcbr, .rpar, .rcbr, .lsbr, .rsbr, .semicolon, .colon, .comma, .dot {
tok_typ = .punctuation
}
else {
if token.is_key(tok.lit) || token.is_decl(tok.kind) {
tok_typ = .keyword
} else if tok.kind == .decl_assign || tok.kind.is_assign() || tok.is_unary() ||
tok.kind.is_relational() || tok.kind.is_infix() {
tok_typ = .operator
}
}
}
buf.write(highlight_code(tok, tok_typ))
if next_tok.kind != .eof {
i = tok.pos + tok.len
tok = next_tok
next_tok = s.scan()
} else {
break
}
} else {
buf.write_b(code[i])
i++
}
}
return buf.str()
}
fn doc_node_html(dd doc.DocNode, link string, head bool, tb &table.Table) 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)
hlighted_code := html_highlight(dd.content, tb)
node_class := if dd.kind == .const_group { ' const' } else { '' }
sym_name := get_sym_name(dd)
node_id := get_node_id(dd)
hash_link := if !head { ' <a href="#$node_id">#</a>' } else { '' }
dnw.writeln('${tabs[1]}<section id="$node_id" class="doc-node$node_class">')
if dd.name.len > 0 {
if dd.kind == .const_group {
dnw.write('${tabs[2]}<div class="title"><$head_tag>$sym_name$hash_link</$head_tag>')
} else {
dnw.write('${tabs[2]}<div class="title"><$head_tag>$dd.kind $sym_name$hash_link</$head_tag>')
}
if link.len != 0 {
dnw.write('<a class="link" rel="noreferrer" target="_blank" href="$link">$link_svg</a>')
}
dnw.write('</div>')
}
if !head && dd.content.len > 0 {
dnw.writeln('<pre class="signature"><code>$hlighted_code</code></pre>')
}
// do not mess with md_content further, its formatting is important, just output it 1:1 !
dnw.writeln('$md_content\n</section>')
dnw_str := dnw.str()
defer {
dnw.free()
}
return dnw_str
}
fn get_sym_name(dn doc.DocNode) string {
sym_name := if dn.parent_name.len > 0 && dn.parent_name != 'void' {
'($dn.parent_name) $dn.name'
} else {
dn.name
}
return sym_name
}
fn get_node_id(dn doc.DocNode) string {
tag := if dn.parent_name.len > 0 && dn.parent_name != 'void' {
'${dn.parent_name}.$dn.name'
} else {
dn.name
}
return slug(tag)
}
fn (cfg DocConfig) readme_idx() int {
for i, dc in cfg.docs {
if dc.head.name != 'README' {
continue
}
return i
}
return -1
}
fn write_toc(dn doc.DocNode, nodes []doc.DocNode, mut toc strings.Builder) {
mut toc_slug := if dn.name.len == 0 || dn.content.len == 0 { '' } else { slug(dn.name) }
if toc_slug == '' && dn.children.len > 0 {
if dn.children[0].name == '' {
toc_slug = slug(dn.name)
} else {
toc_slug = slug(dn.name + '.' + dn.children[0].name)
}
}
if dn.name != 'Constants' {
toc.write('<li class="open"><a href="#$toc_slug">$dn.kind $dn.name</a>')
toc.writeln(' <ul>')
for child in dn.children {
cname := dn.name + '.' + child.name
toc.writeln('<li><a href="#${slug(cname)}">$child.kind $child.name</a></li>')
}
toc.writeln('</ul>')
} else {
toc.write('<li class="open"><a href="#$toc_slug">$dn.name</a>')
}
toc.writeln('</li>')
}
fn (cfg DocConfig) write_content(cn &doc.DocNode, dcs &doc.Doc, mut hw strings.Builder) {
base_dir := os.dir(os.real_path(cfg.input_path))
file_path_name := if cfg.is_multi {
cn.file_path.replace('$base_dir/', '')
} else {
os.file_name(cn.file_path)
}
src_link := get_src_link(cfg.manifest.repo_url, file_path_name, cn.pos.line)
if cn.content.len != 0 || (cn.name == 'Constants') {
hw.write(doc_node_html(cn, src_link, false, dcs.table))
}
for child in cn.children {
child_file_path_name := child.file_path.replace('$base_dir/', '')
child_src_link := get_src_link(cfg.manifest.repo_url, child_file_path_name, child.pos.line)
hw.write(doc_node_html(child, child_src_link, false, dcs.table))
}
}
fn (cfg DocConfig) gen_html(idx int) string {
mut symbols_toc := strings.new_builder(200)
mut modules_toc := strings.new_builder(200)
mut contents := strings.new_builder(200)
dcs := cfg.docs[idx]
dcs_contents := dcs.contents.arr()
// generate toc first
contents.writeln(doc_node_html(dcs.head, '', true, dcs.table))
for cn in dcs_contents {
cfg.write_content(&cn, &dcs, mut contents)
write_toc(cn, dcs_contents, mut symbols_toc)
} // write head
// write css
version := if cfg.manifest.version.len != 0 { cfg.manifest.version } else { '' }
header_name := if cfg.is_multi && cfg.docs.len > 1 {
os.file_name(os.real_path(cfg.input_path))
} else {
dcs.head.name
}
// write nav1
if cfg.is_multi || cfg.docs.len > 1 {
mut submod_prefix := ''
for i, doc in cfg.docs {
if i - 1 >= 0 && doc.head.name.starts_with(submod_prefix + '.') {
continue
}
names := doc.head.name.split('.')
submod_prefix = if names.len > 1 { names[0] } else { doc.head.name }
mut href_name := './${doc.head.name}.html'
if (cfg.is_vlib && doc.head.name == 'builtin' && !cfg.include_readme) ||
doc.head.name == 'README' {
href_name = './index.html'
} else if submod_prefix !in cfg.docs.map(it.head.name) {
href_name = '#'
}
submodules := cfg.docs.filter(it.head.name.starts_with(submod_prefix + '.'))
dropdown := if submodules.len > 0 { cfg.assets['arrow_icon'] } else { '' }
active_class := if doc.head.name == dcs.head.name { ' active' } else { '' }
modules_toc.write('<li class="open$active_class"><div class="menu-row">$dropdown<a href="$href_name">$submod_prefix</a></div>')
for j, cdoc in submodules {
if j == 0 {
modules_toc.write('<ul>')
}
submod_name := cdoc.head.name.all_after(submod_prefix + '.')
sub_selected_classes := if cdoc.head.name == dcs.head.name {
' class="active"'
} else {
''
}
modules_toc.write('<li$sub_selected_classes><a href="./${cdoc.head.name}.html">$submod_name</a></li>')
if j == submodules.len - 1 {
modules_toc.write('</ul>')
}
}
modules_toc.write('</li>')
}
}
modules_toc_str := modules_toc.str()
symbols_toc_str := symbols_toc.str()
modules_toc.free()
symbols_toc.free()
return html_content.replace('{{ title }}', dcs.head.name).replace('{{ head_name }}',
header_name).replace('{{ version }}', version).replace('{{ light_icon }}', cfg.assets['light_icon']).replace('{{ dark_icon }}',
cfg.assets['dark_icon']).replace('{{ menu_icon }}', cfg.assets['menu_icon']).replace('{{ head_assets }}',
if cfg.inline_assets {
'\n${tabs[0]}<style>' + cfg.assets['doc_css'] + '</style>\n${tabs[0]}<style>' + cfg.assets['normalize_css'] +
'</style>\n${tabs[0]}<script>' + cfg.assets['dark_mode_js'] + '</script>'
} else {
'\n${tabs[0]}<link rel="stylesheet" href="' + cfg.assets['doc_css'] + '" />\n${tabs[0]}<link rel="stylesheet" href="' +
cfg.assets['normalize_css'] + '" />\n${tabs[0]}<script src="' + cfg.assets['dark_mode_js'] + '"></script>'
}).replace('{{ toc_links }}', if cfg.is_multi || cfg.docs.len > 1 {
modules_toc_str
} else {
symbols_toc_str
}).replace('{{ contents }}', contents.str()).replace('{{ right_content }}', if cfg.is_multi &&
cfg.docs.len > 1 && dcs.head.name != 'README' {
'<div class="doc-toc"><ul>' + symbols_toc_str + '</ul></div>'
} else {
''
}).replace('{{ footer_content }}', cfg.gen_footer_text(idx)).replace('{{ footer_assets }}',
if cfg.inline_assets {
'<script>' + cfg.assets['doc_js'] + '</script>'
} else {
'<script src="' + cfg.assets['doc_js'] + '"></script>'
})
}
fn (cfg DocConfig) gen_plaintext(idx int) string {
dcs := cfg.docs[idx]
mut pw := strings.new_builder(200)
pw.writeln('$dcs.head.content\n')
if dcs.head.comment.trim_space().len > 0 && !cfg.pub_only {
pw.writeln(dcs.head.comment.split_into_lines().map(' ' + it).join('\n'))
}
cfg.write_plaintext_content(dcs.contents.arr(), mut pw)
return pw.str()
}
fn (cfg DocConfig) write_plaintext_content(contents []doc.DocNode, mut pw strings.Builder) {
for cn in contents {
if cn.content.len > 0 {
pw.writeln(cn.content)
if cn.comment.len > 0 && !cfg.pub_only {
pw.writeln(cn.comment.trim_space().split_into_lines().map(' ' + it).join('\n'))
}
if cfg.show_loc {
pw.writeln('Location: $cn.file_path:$cn.pos.line\n')
}
}
cfg.write_plaintext_content(cn.children, mut pw)
}
}
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('# $dcs.head.content\n')
if dcs.head.comment.len > 0 {
hw.writeln('$dcs.head.comment\n')
}
if with_toc {
hw.writeln('## Contents')
}
cfg.write_markdown_content(dcs.contents.arr(), mut cw, mut hw, 0, with_toc)
footer_text := cfg.gen_footer_text(idx)
cw.writeln('#### $footer_text')
return hw.str() + '\n' + cw.str()
}
fn (cfg DocConfig) write_markdown_content(contents []doc.DocNode, mut cw strings.Builder, mut hw strings.Builder, indent int, with_toc bool) {
for cn in contents {
if with_toc && cn.name.len > 0 {
hw.writeln(' '.repeat(2 * indent) + '- [#$cn.name](${slug(cn.name)})')
cw.writeln('## $cn.name')
}
if cn.content.len > 0 {
cw.writeln('```v\n$cn.content\n```$cn.comment\n')
cw.writeln('[\[Return to contents\]](#Contents)\n')
}
cfg.write_markdown_content(cn.children, mut cw, mut hw, indent + 1, with_toc)
}
}
fn (cfg DocConfig) gen_footer_text(idx int) string {
current_doc := cfg.docs[idx]
footer_text := 'Powered by vdoc.'
if cfg.no_timestamp {
return footer_text
}
generated_time := current_doc.time_generated
time_str := '$generated_time.day $generated_time.smonth() $generated_time.year $generated_time.hhmmss()'
return '$footer_text Generated on: $time_str'
}
fn (cfg DocConfig) render_doc(doc doc.Doc, i int) (string, string) {
name := cfg.get_file_name(doc.head.name)
output := match cfg.output_type {
.html { cfg.gen_html(i) }
.markdown { cfg.gen_markdown(i, true) }
.json { cfg.gen_json(i) }
else { cfg.gen_plaintext(i) }
}
return name, output
}
// get_file_name returns the final file name from a module name
fn (cfg DocConfig) get_file_name(mod string) string {
mut name := mod
// since builtin is generated first, ignore it
if (cfg.is_vlib && mod == 'builtin' && !cfg.include_readme) || mod == 'README' {
name = 'index'
} else if !cfg.is_multi && !os.is_dir(cfg.output_path) {
name = os.file_name(cfg.output_path)
}
name = name + match cfg.output_type {
.html { '.html' }
.markdown { '.md' }
.json { '.json' }
else { '.txt' }
}
return name
}
fn (cfg DocConfig) work_processor(mut work sync.Channel, mut wg sync.WaitGroup) {
for {
mut pdoc := ParallelDoc{}
if !work.pop(&pdoc) {
break
}
file_name, content := cfg.render_doc(pdoc.d, pdoc.i)
output_path := os.join_path(cfg.output_path, file_name)
println('Generating $output_path')
os.write_file(output_path, content)
}
wg.done()
}
fn (cfg DocConfig) render_parallel() {
vjobs := runtime.nr_jobs()
mut work := sync.new_channel<ParallelDoc>(cfg.docs.len)
mut wg := sync.new_waitgroup()
for i in 0 .. cfg.docs.len {
p_doc := ParallelDoc{cfg.docs[i], i}
work.push(&p_doc)
}
work.close()
wg.add(vjobs)
for _ in 0 .. vjobs {
go cfg.work_processor(mut work, mut wg)
}
wg.wait()
}
fn (cfg DocConfig) render() map[string]string {
mut docs := map[string]string{}
for i, doc in cfg.docs {
name, output := cfg.render_doc(doc, i)
docs[name] = output.trim_space()
}
cfg.vprintln('Rendered: ' + docs.keys().str())
return docs
}
fn (mut cfg DocConfig) collect_search_index() {
if cfg.output_type != .html {
return
}
for doc in cfg.docs {
mod := doc.head.name
cfg.search_module_index << mod
cfg.search_module_data << SearchModuleResult{
description: trim_doc_node_description(doc.head.comment)
link: cfg.get_file_name(mod)
}
for _, dn in doc.contents {
cfg.create_search_results(mod, dn)
}
}
}
fn (mut cfg DocConfig) create_search_results(mod string, dn doc.DocNode) {
if dn.kind == .const_group {
return
}
dn_description := trim_doc_node_description(dn.comment)
cfg.search_index << dn.name
cfg.search_data << SearchResult{
prefix: if dn.parent_name != '' {
'$dn.kind ($dn.parent_name)'
} else {
'$dn.kind '
}
description: dn_description
badge: mod
link: cfg.get_file_name(mod) + '#' + get_node_id(dn)
}
for child in dn.children {
cfg.create_search_results(mod, child)
}
}
fn trim_doc_node_description(description string) string {
mut dn_description := description.replace_each(['\r\n', '\n', '"', '\\"'])
// 80 is enough to fill one line
if dn_description.len > 80 {
dn_description = dn_description[..80]
}
if '\n' in dn_description {
dn_description = dn_description.split('\n')[0]
}
// if \ is last character, it ends with \" which leads to a JS error
if dn_description.ends_with('\\') {
dn_description = dn_description.trim_right('\\')
}
return dn_description
}
fn (cfg DocConfig) render_search_index() {
mut js_search_index := strings.new_builder(200)
mut js_search_data := strings.new_builder(200)
js_search_index.write('var searchModuleIndex = [')
js_search_data.write('var searchModuleData = [')
for i, title in cfg.search_module_index {
data := cfg.search_module_data[i]
js_search_index.write('"$title",')
js_search_data.write('["$data.description","$data.link"],')
}
js_search_index.writeln('];')
js_search_index.write('var searchIndex = [')
js_search_data.writeln('];')
js_search_data.write('var searchData = [')
for i, title in cfg.search_index {
data := cfg.search_data[i]
js_search_index.write('"$title",')
// array instead of object to reduce file size
js_search_data.write('["$data.badge","$data.description","$data.link","$data.prefix"],')
}
js_search_index.writeln('];')
js_search_data.writeln('];')
out_file_path := os.join_path(cfg.output_path, 'search_index.js')
os.write_file(out_file_path, js_search_index.str() + js_search_data.str())
}
fn (mut cfg DocConfig) render_static() {
if cfg.output_type != .html {
return
}
cfg.assets = {
'doc_css': cfg.get_resource(css_js_assets[0], true)
'normalize_css': cfg.get_resource(css_js_assets[1], true)
'doc_js': cfg.get_resource(css_js_assets[2], !cfg.serve_http)
'dark_mode_js': cfg.get_resource(css_js_assets[3], !cfg.serve_http)
'light_icon': cfg.get_resource('light.svg', true)
'dark_icon': cfg.get_resource('dark.svg', true)
'menu_icon': cfg.get_resource('menu.svg', true)
'arrow_icon': cfg.get_resource('arrow.svg', true)
}
}
fn (cfg DocConfig) get_readme(path string) string {
mut fname := ''
for name in ['readme', 'README'] {
if os.exists(os.join_path(path, '${name}.md')) {
fname = name
break
}
}
if fname == '' {
return ''
}
readme_path := os.join_path(path, '${fname}.md')
cfg.vprintln('Reading README file from $readme_path')
readme_contents := os.read_file(readme_path) or { '' }
return readme_contents
}
fn (cfg DocConfig) emit_generate_err(err string, errcode int) {
mut err_msg := err
if errcode == 1 {
mod_list := get_modules_list(cfg.input_path, []string{})
println('Available modules:\n==================')
for mod in mod_list {
println(mod.all_after('vlib/').all_after('modules/').replace('/', '.'))
}
err_msg += ' Use the `-m` flag when generating docs from a directory that has multiple modules.'
}
eprintln(err_msg)
}
fn (mut cfg DocConfig) generate_docs_from_file() {
if cfg.output_path.len == 0 {
if cfg.output_type == .unset {
cfg.output_type = .stdout
} else {
cfg.vprintln('No output path has detected. Using input path instead.')
cfg.output_path = cfg.input_path
}
} else if cfg.output_type == .unset {
cfg.vprintln('Output path detected. Identifying output type..')
ext := os.file_ext(cfg.output_path)
cfg.set_output_type_from_str(ext.all_after('.'))
}
if cfg.include_readme && cfg.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)
}
dir_path := if cfg.is_vlib {
vroot
} else if os.is_dir(cfg.input_path) {
cfg.input_path
} else {
os.dir(cfg.input_path)
}
manifest_path := os.join_path(dir_path, 'v.mod')
if os.exists(manifest_path) {
cfg.vprintln('Reading v.mod info from $manifest_path')
if manifest := vmod.from_file(manifest_path) {
cfg.manifest = manifest
}
}
if cfg.include_readme {
readme_contents := cfg.get_readme(dir_path)
if cfg.output_type == .stdout {
println(markdown.to_plain(readme_contents))
} else if cfg.output_type == .html && cfg.is_multi {
cfg.docs << doc.Doc{
head: doc.DocNode{
name: 'README'
comment: readme_contents
}
time_generated: time.now()
}
}
}
dirs := if cfg.is_multi {
get_modules_list(cfg.input_path, []string{})
} else {
[cfg.input_path]
}
is_local_and_single := cfg.is_local && !cfg.is_multi
for dirpath in dirs {
mut dcs := doc.Doc{}
cfg.vprintln('Generating docs for $dirpath')
if is_local_and_single {
dcs = doc.generate_with_pos(dirpath, cfg.local_filename, cfg.local_pos) or {
cfg.emit_generate_err(err, errcode)
exit(1)
}
} else {
dcs = doc.generate(dirpath, cfg.pub_only, true) or {
cfg.emit_generate_err(err, errcode)
exit(1)
}
}
if dcs.contents.len == 0 {
continue
}
if !is_local_and_single {
if cfg.is_multi || (!cfg.is_multi && cfg.include_readme) {
readme_contents := cfg.get_readme(dirpath)
dcs.head.comment = readme_contents
}
if cfg.pub_only {
for name, dc in dcs.contents {
dcs.contents[name].content = dc.content.all_after('pub ')
for i, cc in dc.children {
dcs.contents[name].children[i].content = cc.content.all_after('pub ')
}
}
}
if !cfg.is_multi && cfg.symbol_name.len > 0 {
if cfg.symbol_name in dcs.contents {
for _, c in dcs.contents[cfg.symbol_name].children {
dcs.contents[c.name] = c
}
}
}
}
cfg.docs << dcs
}
if cfg.is_vlib {
mut docs := cfg.docs.filter(it.head.name == 'builtin')
docs << cfg.docs.filter(it.head.name != 'builtin')
cfg.docs = docs
}
if cfg.serve_http {
cfg.serve_html()
return
}
cfg.vprintln('Rendering docs...')
if cfg.output_path.len == 0 || cfg.output_path == 'stdout' {
cfg.render_static()
outputs := cfg.render()
if outputs.len == 0 {
println('No documentation for $dirs')
} else {
first := outputs.keys()[0]
println(outputs[first])
}
} else {
if !os.is_dir(cfg.output_path) {
cfg.output_path = os.real_path('.')
}
if !os.exists(cfg.output_path) {
os.mkdir(cfg.output_path) or { panic(err) }
}
if cfg.is_multi {
cfg.output_path = os.join_path(cfg.output_path, '_docs')
if !os.exists(cfg.output_path) {
os.mkdir(cfg.output_path) or { panic(err) }
} else {
for fname in css_js_assets {
os.rm(os.join_path(cfg.output_path, fname))
}
}
}
cfg.render_static()
cfg.render_parallel()
println('Creating search index...')
cfg.collect_search_index()
cfg.render_search_index()
// move favicons to target directory
println('Copying favicons...')
favicons := os.ls(favicons_path) or { panic(err) }
for favicon in favicons {
favicon_path := os.join_path(favicons_path, favicon)
destination_path := os.join_path(cfg.output_path, favicon)
os.cp(favicon_path, destination_path)
}
}
}
fn (mut cfg DocConfig) set_output_type_from_str(format string) {
match format {
'htm', 'html' { cfg.output_type = .html }
'md', 'markdown' { cfg.output_type = .markdown }
'json' { cfg.output_type = .json }
'stdout' { cfg.output_type = .stdout }
else { cfg.output_type = .plaintext }
}
cfg.vprintln('Setting output type to "$cfg.output_type"')
}
fn (cfg DocConfig) vprintln(str string) {
if cfg.is_verbose {
println('vdoc: $str')
}
}
fn get_ignore_paths(path string) ?[]string {
ignore_file_path := os.join_path(path, '.vdocignore')
ignore_content := os.read_file(ignore_file_path) or {
return error_with_code('ignore file not found.', 1)
}
mut res := []string{}
if ignore_content.trim_space().len > 0 {
rules := ignore_content.split_into_lines().map(it.trim_space())
mut final := []string{}
for rule in rules {
if rule.contains('*.') || rule.contains('**') {
println('vdoc: Wildcards in ignore rules are not allowed for now.')
continue
}
final << rule
}
res = final.map(os.join_path(path, it.trim_right('/')))
} else {
mut dirs := os.ls(path) or { return []string{} }
res = dirs.map(os.join_path(path, it)).filter(os.is_dir(it))
}
return res.map(it.replace('/', os.path_separator))
}
fn is_included(path string, ignore_paths []string) bool {
if path.len == 0 {
return true
}
for ignore_path in ignore_paths {
if ignore_path !in path {
continue
}
return false
}
return true
}
fn get_modules_list(path string, ignore_paths2 []string) []string {
files := os.ls(path) or { return []string{} }
mut ignore_paths := get_ignore_paths(path) or { []string{} }
ignore_paths << ignore_paths2
mut dirs := []string{}
for file in files {
fpath := os.join_path(path, file)
if os.is_dir(fpath) && is_included(fpath, ignore_paths) && !os.is_link(path) {
dirs << get_modules_list(fpath, ignore_paths.filter(it.starts_with(fpath)))
} else if fpath.ends_with('.v') && !fpath.ends_with('_test.v') {
if path in dirs {
continue
}
dirs << path
}
}
dirs.sort()
return dirs
}
fn (cfg DocConfig) get_resource(name string, minify bool) string {
path := os.join_path(res_path, name)
mut res := os.read_file(path) or { panic('vdoc: could not read $path') }
if minify {
if name.ends_with('.js') {
res = js_compress(res)
} else {
res = res.split_into_lines().map(it.trim_space()).join('')
}
}
// TODO: Make SVG inline for now
if cfg.inline_assets || path.ends_with('.svg') {
return res
} else {
output_path := os.join_path(cfg.output_path, name)
if !os.exists(output_path) {
println('Generating $output_path')
os.write_file(output_path, res)
}
return name
}
}
fn main() {
if os.args.len < 2 || '-h' in os.args || '--help' in os.args || os.args[1..] == ['doc', 'help'] {
os.system('$vexe help doc')
exit(0)
}
args := os.args[2..].clone()
mut cfg := DocConfig{
manifest: vmod.Manifest{
repo_url: ''
}
}
for i := 0; i < args.len; i++ {
arg := args[i]
current_args := args[i..]
match arg {
'-all' {
cfg.pub_only = false
}
'-filename' {
cfg.is_local = true
cfg.local_filename = cmdline.option(current_args, '-filename', '')
i++
}
'-f' {
format := cmdline.option(current_args, '-f', '')
if format !in allowed_formats {
allowed_str := allowed_formats.join(', ')
eprintln('vdoc: "$format" is not a valid format. Only $allowed_str are allowed.')
exit(1)
}
cfg.set_output_type_from_str(format)
i++
}
'-inline-assets' {
cfg.inline_assets = true
}
'-l' {
cfg.show_loc = true
}
'-m' {
cfg.is_multi = true
}
'-o' {
opath := cmdline.option(current_args, '-o', '')
cfg.output_path = if opath == 'stdout' { opath } else { os.real_path(opath) }
i++
}
'-open' {
cfg.open_docs = true
}
'-pos' {
if !cfg.is_local {
eprintln('vdoc: `-pos` is only allowed with `-filename` flag.')
exit(1)
}
cfg.local_pos = cmdline.option(current_args, '-pos', '').int()
i++
}
'-p' {
s_port := cmdline.option(current_args, '-p', '')
s_port_int := s_port.int()
if s_port.len == 0 {
eprintln('vdoc: No port number specified on "-p".')
exit(1)
}
if s_port != s_port_int.str() {
eprintln('vdoc: Invalid port number.')
exit(1)
}
cfg.server_port = s_port_int
i++
}
'-s' {
cfg.inline_assets = true
cfg.serve_http = true
if cfg.output_type == .unset {
cfg.output_type = .html
}
}
'-no-timestamp' {
cfg.no_timestamp = true
}
'-readme' {
cfg.include_readme = true
}
'-v' {
cfg.is_verbose = true
}
else {
if cfg.input_path.len < 1 {
cfg.input_path = arg
} else {
cfg.symbol_name = arg
}
if i == args.len - 1 {
break
}
}
}
}
if cfg.input_path.len == 0 {
eprintln('vdoc: No input path found.')
exit(1)
}
if cfg.output_path == 'stdout' && cfg.output_type == .html {
cfg.inline_assets = true
}
$if windows {
cfg.input_path = cfg.input_path.replace('/', os.path_separator)
} $else {
cfg.input_path = cfg.input_path.replace('\\', os.path_separator)
}
is_path := cfg.input_path.ends_with('.v') || cfg.input_path.split(os.path_separator).len >
1 || cfg.input_path == '.'
if cfg.input_path.trim_right('/') == 'vlib' {
cfg.is_vlib = true
cfg.is_multi = true
cfg.input_path = os.join_path(vroot, 'vlib')
} else if !is_path {
cfg.vprintln('Input "$cfg.input_path" is not a valid path. Looking for modules named "$cfg.input_path"...')
mod_path := doc.lookup_module(cfg.input_path) or {
eprintln('vdoc: $err')
exit(1)
}
cfg.input_path = mod_path
}
cfg.generate_docs_from_file()
}