508 lines
12 KiB
V
508 lines
12 KiB
V
module main
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import markdown
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import os
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import os.cmdline
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import time
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import strings
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import sync
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import runtime
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import v.doc
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import v.pref
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import v.vmod
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import json
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const (
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allowed_formats = ['md', 'markdown', 'json', 'text', 'stdout', 'html', 'htm']
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vexe = pref.vexe_path()
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vroot = os.dir(vexe)
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tabs = ['\t\t', '\t\t\t\t\t\t', '\t\t\t\t\t\t\t']
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)
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enum OutputType {
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unset
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html
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markdown
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json
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plaintext
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stdout
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}
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struct VDoc {
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cfg Config [required]
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mut:
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docs []doc.Doc
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assets map[string]string
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manifest vmod.Manifest
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search_index []string
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search_data []SearchResult
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search_module_index []string // search results are split into a module part and the rest
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search_module_data []SearchModuleResult
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}
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struct Config {
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mut:
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pub_only bool = true
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is_local bool
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local_filename string
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local_pos int
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show_loc bool // for plaintext
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is_multi bool
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is_vlib bool
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is_verbose bool
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include_readme bool
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include_examples bool = true
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inline_assets bool
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no_timestamp bool
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output_path string
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output_type OutputType = .unset
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input_path string
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symbol_name string
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}
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//
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struct Output {
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mut:
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path string
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typ OutputType = .unset
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}
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struct ParallelDoc {
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d doc.Doc
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out Output
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}
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fn (vd VDoc) gen_json(d doc.Doc) string {
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cfg := vd.cfg
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mut jw := strings.new_builder(200)
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comments := if cfg.include_examples {
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d.head.merge_comments()
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} else {
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d.head.merge_comments_without_examples()
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}
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jw.write('{"module_name":"$d.head.name","description":"${escape(comments)}","contents":')
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jw.write(json.encode(d.contents.keys().map(d.contents[it])))
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jw.write(',"generator":"vdoc","time_generated":"$d.time_generated.str()"}')
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return jw.str()
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}
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fn (vd VDoc) gen_plaintext(d doc.Doc) string {
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cfg := vd.cfg
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mut pw := strings.new_builder(200)
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pw.writeln('$d.head.content\n')
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comments := if cfg.include_examples {
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d.head.merge_comments()
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} else {
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d.head.merge_comments_without_examples()
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}
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if comments.trim_space().len > 0 && !cfg.pub_only {
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pw.writeln(comments.split_into_lines().map(' ' + it).join('\n'))
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}
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vd.write_plaintext_content(d.contents.arr(), mut pw)
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return pw.str()
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}
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fn (vd VDoc) write_plaintext_content(contents []doc.DocNode, mut pw strings.Builder) {
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cfg := vd.cfg
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for cn in contents {
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if cn.content.len > 0 {
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pw.writeln(cn.content)
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if cn.comments.len > 0 && !cfg.pub_only {
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comments := if cfg.include_examples {
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cn.merge_comments()
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} else {
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cn.merge_comments_without_examples()
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}
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pw.writeln(comments.trim_space().split_into_lines().map(' ' + it).join('\n'))
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}
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if cfg.show_loc {
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pw.writeln('Location: $cn.file_path:$cn.pos.line\n')
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}
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}
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vd.write_plaintext_content(cn.children, mut pw)
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}
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}
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fn (vd VDoc) render_doc(d doc.Doc, out Output) (string, string) {
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name := vd.get_file_name(d.head.name, out)
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output := match out.typ {
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.html { vd.gen_html(d) }
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.markdown { vd.gen_markdown(d, true) }
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.json { vd.gen_json(d) }
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else { vd.gen_plaintext(d) }
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}
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return name, output
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}
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// get_file_name returns the final file name from a module name
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fn (vd VDoc) get_file_name(mod string, out Output) string {
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cfg := vd.cfg
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mut name := mod
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// since builtin is generated first, ignore it
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if (cfg.is_vlib && mod == 'builtin' && !cfg.include_readme) || mod == 'README' {
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name = 'index'
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} else if !cfg.is_multi && !os.is_dir(out.path) {
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name = os.file_name(out.path)
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}
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name = name + match out.typ {
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.html { '.html' }
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.markdown { '.md' }
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.json { '.json' }
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else { '.txt' }
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}
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return name
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}
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fn (vd VDoc) work_processor(mut work sync.Channel, mut wg sync.WaitGroup) {
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for {
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mut pdoc := ParallelDoc{}
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if !work.pop(&pdoc) {
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break
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}
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file_name, content := vd.render_doc(pdoc.d, pdoc.out)
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output_path := os.join_path(pdoc.out.path, file_name)
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println('Generating $pdoc.out.typ in "$output_path"')
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os.write_file(output_path, content)
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}
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wg.done()
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}
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fn (vd VDoc) render_parallel(out Output) {
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vjobs := runtime.nr_jobs()
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mut work := sync.new_channel<ParallelDoc>(vd.docs.len)
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mut wg := sync.new_waitgroup()
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for i in 0 .. vd.docs.len {
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p_doc := ParallelDoc{vd.docs[i], out}
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work.push(&p_doc)
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}
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work.close()
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wg.add(vjobs)
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for _ in 0 .. vjobs {
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go vd.work_processor(mut work, mut wg)
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}
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wg.wait()
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}
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fn (vd VDoc) render(out Output) map[string]string {
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mut docs := map[string]string{}
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for doc in vd.docs {
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name, output := vd.render_doc(doc, out)
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docs[name] = output.trim_space()
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}
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vd.vprintln('Rendered: ' + docs.keys().str())
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return docs
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}
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fn (vd VDoc) get_readme(path string) string {
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mut fname := ''
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for name in ['readme', 'README'] {
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if os.exists(os.join_path(path, '${name}.md')) {
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fname = name
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break
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}
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}
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if fname == '' {
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return ''
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}
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readme_path := os.join_path(path, '${fname}.md')
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vd.vprintln('Reading README file from $readme_path')
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readme_contents := os.read_file(readme_path) or { '' }
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return readme_contents
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}
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fn (vd VDoc) emit_generate_err(err string, errcode int) {
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cfg := vd.cfg
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mut err_msg := err
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if errcode == 1 {
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mod_list := get_modules_list(cfg.input_path, []string{})
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println('Available modules:\n==================')
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for mod in mod_list {
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println(mod.all_after('vlib/').all_after('modules/').replace('/', '.'))
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}
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err_msg += ' Use the `-m` flag when generating docs from a directory that has multiple modules.'
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}
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eprintln(err_msg)
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}
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fn (mut vd VDoc) generate_docs_from_file() {
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cfg := vd.cfg
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mut out := Output{
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path: cfg.output_path
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typ: cfg.output_type
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}
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if out.path.len == 0 {
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if cfg.output_type == .unset {
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out.typ = .stdout
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} else {
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vd.vprintln('No output path has detected. Using input path instead.')
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out.path = cfg.input_path
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}
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} else if out.typ == .unset {
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vd.vprintln('Output path detected. Identifying output type..')
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ext := os.file_ext(out.path)
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out.typ = set_output_type_from_str(ext.all_after('.'))
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}
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if cfg.include_readme && out.typ !in [.html, .stdout] {
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eprintln('vdoc: Including README.md for doc generation is supported on HTML output, or when running directly in the terminal.')
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exit(1)
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}
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dir_path := if cfg.is_vlib {
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vroot
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} else if os.is_dir(cfg.input_path) {
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cfg.input_path
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} else {
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os.dir(cfg.input_path)
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}
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manifest_path := os.join_path(dir_path, 'v.mod')
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if os.exists(manifest_path) {
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vd.vprintln('Reading v.mod info from $manifest_path')
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if manifest := vmod.from_file(manifest_path) {
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vd.manifest = manifest
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}
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}
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if cfg.include_readme {
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readme_contents := vd.get_readme(dir_path)
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comment := doc.DocComment{
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text: readme_contents
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}
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if out.typ == .stdout {
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println(markdown.to_plain(readme_contents))
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} else if out.typ == .html && cfg.is_multi {
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vd.docs << doc.Doc{
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head: doc.DocNode{
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name: 'README'
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comments: [comment]
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}
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time_generated: time.now()
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}
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}
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}
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dirs := if cfg.is_multi {
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get_modules_list(cfg.input_path, []string{})
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} else {
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[cfg.input_path]
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}
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is_local_and_single := cfg.is_local && !cfg.is_multi
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for dirpath in dirs {
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mut dcs := doc.Doc{}
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vd.vprintln('Generating $out.typ docs for "$dirpath"')
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if is_local_and_single {
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dcs = doc.generate_with_pos(dirpath, cfg.local_filename, cfg.local_pos) or {
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vd.emit_generate_err(err, errcode)
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exit(1)
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}
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} else {
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dcs = doc.generate(dirpath, cfg.pub_only, true) or {
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vd.emit_generate_err(err, errcode)
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exit(1)
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}
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}
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if dcs.contents.len == 0 {
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continue
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}
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if !is_local_and_single {
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if cfg.is_multi || (!cfg.is_multi && cfg.include_readme) {
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readme_contents := vd.get_readme(dirpath)
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comment := doc.DocComment{
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text: readme_contents
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}
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dcs.head.comments = [comment]
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}
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if cfg.pub_only {
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for name, dc in dcs.contents {
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dcs.contents[name].content = dc.content.all_after('pub ')
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for i, cc in dc.children {
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dcs.contents[name].children[i].content = cc.content.all_after('pub ')
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}
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}
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}
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if !cfg.is_multi && cfg.symbol_name.len > 0 {
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if cfg.symbol_name in dcs.contents {
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for _, c in dcs.contents[cfg.symbol_name].children {
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dcs.contents[c.name] = c
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}
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}
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}
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}
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vd.docs << dcs
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}
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// Important. Let builtin be in the top of the module list
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// if we are generating docs for vlib.
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if cfg.is_vlib {
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mut docs := vd.docs.filter(it.head.name == 'builtin')
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docs << vd.docs.filter(it.head.name != 'builtin')
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vd.docs = docs
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}
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vd.vprintln('Rendering docs...')
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if out.path.len == 0 || out.path == 'stdout' {
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if out.typ == .html {
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vd.render_static_html(out)
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}
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outputs := vd.render(out)
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if outputs.len == 0 {
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println('No documentation for $dirs')
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} else {
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first := outputs.keys()[0]
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println(outputs[first])
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}
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} else {
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if !os.is_dir(out.path) {
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out.path = os.real_path('.')
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}
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if !os.exists(out.path) {
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os.mkdir(out.path) or { panic(err) }
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}
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if cfg.is_multi {
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out.path = os.join_path(out.path, '_docs')
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if !os.exists(out.path) {
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os.mkdir(out.path) or { panic(err) }
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} else {
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for fname in css_js_assets {
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os.rm(os.join_path(out.path, fname))
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}
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}
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}
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if out.typ == .html {
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vd.render_static_html(out)
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}
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vd.render_parallel(out)
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println('Creating search index...')
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if out.typ == .html {
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vd.collect_search_index(out)
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vd.render_search_index(out)
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// move favicons to target directory
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println('Copying favicons...')
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favicons := os.ls(favicons_path) or { panic(err) }
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for favicon in favicons {
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favicon_path := os.join_path(favicons_path, favicon)
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destination_path := os.join_path(out.path, favicon)
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os.cp(favicon_path, destination_path)
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}
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}
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}
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}
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fn (vd VDoc) vprintln(str string) {
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if vd.cfg.is_verbose {
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println('vdoc: $str')
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}
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}
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fn parse_arguments(args []string) Config {
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mut cfg := Config{}
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for i := 0; i < args.len; i++ {
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arg := args[i]
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current_args := args[i..]
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match arg {
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'-all' {
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cfg.pub_only = false
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}
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'-filename' {
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cfg.is_local = true
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cfg.local_filename = cmdline.option(current_args, '-filename', '')
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i++
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}
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'-f' {
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format := cmdline.option(current_args, '-f', '')
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if format !in allowed_formats {
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allowed_str := allowed_formats.join(', ')
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eprintln('vdoc: "$format" is not a valid format. Only $allowed_str are allowed.')
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exit(1)
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}
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cfg.output_type = set_output_type_from_str(format)
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i++
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}
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'-inline-assets' {
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cfg.inline_assets = true
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}
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'-l' {
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cfg.show_loc = true
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}
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'-m' {
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cfg.is_multi = true
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}
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'-o' {
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opath := cmdline.option(current_args, '-o', '')
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cfg.output_path = if opath == 'stdout' { opath } else { os.real_path(opath) }
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i++
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}
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'-pos' {
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if !cfg.is_local {
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eprintln('vdoc: `-pos` is only allowed with `-filename` flag.')
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exit(1)
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}
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cfg.local_pos = cmdline.option(current_args, '-pos', '').int()
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i++
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}
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'-no-timestamp' {
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cfg.no_timestamp = true
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}
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'-no-examples' {
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cfg.include_examples = false
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}
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'-readme' {
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cfg.include_readme = true
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}
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'-v' {
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cfg.is_verbose = true
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}
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else {
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if cfg.input_path.len < 1 {
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cfg.input_path = arg
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} else {
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cfg.symbol_name = arg
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}
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if i == args.len - 1 {
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break
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}
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}
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}
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}
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// Correct from configuration from user input
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if cfg.output_path == 'stdout' && cfg.output_type == .html {
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cfg.inline_assets = true
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}
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$if windows {
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cfg.input_path = cfg.input_path.replace('/', os.path_separator)
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} $else {
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cfg.input_path = cfg.input_path.replace('\\', os.path_separator)
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}
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is_path := cfg.input_path.ends_with('.v') || cfg.input_path.split(os.path_separator).len > 1
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|| cfg.input_path == '.'
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if cfg.input_path.trim_right('/') == 'vlib' {
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cfg.is_vlib = true
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cfg.is_multi = true
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cfg.input_path = os.join_path(vroot, 'vlib')
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} else if !is_path {
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// TODO vd.vprintln('Input "$cfg.input_path" is not a valid path. Looking for modules named "$cfg.input_path"...')
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mod_path := doc.lookup_module(cfg.input_path) or {
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eprintln('vdoc: $err')
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exit(1)
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}
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cfg.input_path = mod_path
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}
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return cfg
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}
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fn main() {
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if os.args.len < 2 || '-h' in os.args || '--help' in os.args || os.args[1..] == ['doc', 'help'] {
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os.system('$vexe help doc')
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exit(0)
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}
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args := os.args[2..].clone()
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cfg := parse_arguments(args)
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if cfg.input_path.len == 0 {
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eprintln('vdoc: No input path found.')
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exit(1)
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}
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// Config is immutable from this point on
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mut vd := VDoc{
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cfg: cfg
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manifest: vmod.Manifest{
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repo_url: ''
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}
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}
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vd.vprintln('Setting output type to "$cfg.output_type"')
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vd.generate_docs_from_file()
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}
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