mirror of
https://github.com/go-gitea/gitea
synced 2024-12-25 10:04:27 +00:00
168 lines
4.2 KiB
Go
168 lines
4.2 KiB
Go
// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build ignore
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package main
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"log"
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"strings"
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"golang.org/x/text/internal/gen"
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)
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type group struct {
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Encodings []struct {
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Labels []string
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Name string
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}
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}
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func main() {
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gen.Init()
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r := gen.Open("http://www.w3.org/TR", "w3", "encoding/indexes/encodings.json")
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var groups []group
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if err := json.NewDecoder(r).Decode(&groups); err != nil {
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log.Fatalf("Error reading encodings.json: %v", err)
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}
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w := &bytes.Buffer{}
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fmt.Fprintln(w, "type htmlEncoding byte")
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fmt.Fprintln(w, "const (")
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for i, g := range groups {
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for _, e := range g.Encodings {
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name := consts[e.Name]
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if name == "" {
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log.Fatalf("No const defined for %s.", e.Name)
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}
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if i == 0 {
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fmt.Fprintf(w, "%s htmlEncoding = iota\n", name)
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} else {
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fmt.Fprintf(w, "%s\n", name)
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}
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}
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}
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fmt.Fprintln(w, "numEncodings")
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fmt.Fprint(w, ")\n\n")
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fmt.Fprintln(w, "var canonical = [numEncodings]string{")
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for _, g := range groups {
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for _, e := range g.Encodings {
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fmt.Fprintf(w, "%q,\n", e.Name)
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}
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}
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fmt.Fprint(w, "}\n\n")
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fmt.Fprintln(w, "var nameMap = map[string]htmlEncoding{")
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for _, g := range groups {
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for _, e := range g.Encodings {
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for _, l := range e.Labels {
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fmt.Fprintf(w, "%q: %s,\n", l, consts[e.Name])
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}
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}
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}
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fmt.Fprint(w, "}\n\n")
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var tags []string
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fmt.Fprintln(w, "var localeMap = []htmlEncoding{")
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for _, loc := range locales {
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tags = append(tags, loc.tag)
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fmt.Fprintf(w, "%s, // %s \n", consts[loc.name], loc.tag)
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}
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fmt.Fprint(w, "}\n\n")
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fmt.Fprintf(w, "const locales = %q\n", strings.Join(tags, " "))
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gen.WriteGoFile("tables.go", "htmlindex", w.Bytes())
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}
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// consts maps canonical encoding name to internal constant.
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var consts = map[string]string{
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"utf-8": "utf8",
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"ibm866": "ibm866",
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"iso-8859-2": "iso8859_2",
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"iso-8859-3": "iso8859_3",
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"iso-8859-4": "iso8859_4",
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"iso-8859-5": "iso8859_5",
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"iso-8859-6": "iso8859_6",
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"iso-8859-7": "iso8859_7",
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"iso-8859-8": "iso8859_8",
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"iso-8859-8-i": "iso8859_8I",
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"iso-8859-10": "iso8859_10",
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"iso-8859-13": "iso8859_13",
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"iso-8859-14": "iso8859_14",
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"iso-8859-15": "iso8859_15",
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"iso-8859-16": "iso8859_16",
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"koi8-r": "koi8r",
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"koi8-u": "koi8u",
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"macintosh": "macintosh",
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"windows-874": "windows874",
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"windows-1250": "windows1250",
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"windows-1251": "windows1251",
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"windows-1252": "windows1252",
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"windows-1253": "windows1253",
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"windows-1254": "windows1254",
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"windows-1255": "windows1255",
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"windows-1256": "windows1256",
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"windows-1257": "windows1257",
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"windows-1258": "windows1258",
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"x-mac-cyrillic": "macintoshCyrillic",
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"gbk": "gbk",
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"gb18030": "gb18030",
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// "hz-gb-2312": "hzgb2312", // Was removed from WhatWG
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"big5": "big5",
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"euc-jp": "eucjp",
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"iso-2022-jp": "iso2022jp",
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"shift_jis": "shiftJIS",
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"euc-kr": "euckr",
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"replacement": "replacement",
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"utf-16be": "utf16be",
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"utf-16le": "utf16le",
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"x-user-defined": "xUserDefined",
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}
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// locales is taken from
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// https://html.spec.whatwg.org/multipage/syntax.html#encoding-sniffing-algorithm.
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var locales = []struct{ tag, name string }{
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{"und", "windows-1252"}, // The default value.
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{"ar", "windows-1256"},
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{"ba", "windows-1251"},
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{"be", "windows-1251"},
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{"bg", "windows-1251"},
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{"cs", "windows-1250"},
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{"el", "iso-8859-7"},
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{"et", "windows-1257"},
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{"fa", "windows-1256"},
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{"he", "windows-1255"},
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{"hr", "windows-1250"},
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{"hu", "iso-8859-2"},
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{"ja", "shift_jis"},
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{"kk", "windows-1251"},
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{"ko", "euc-kr"},
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{"ku", "windows-1254"},
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{"ky", "windows-1251"},
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{"lt", "windows-1257"},
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{"lv", "windows-1257"},
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{"mk", "windows-1251"},
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{"pl", "iso-8859-2"},
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{"ru", "windows-1251"},
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{"sah", "windows-1251"},
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{"sk", "windows-1250"},
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{"sl", "iso-8859-2"},
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{"sr", "windows-1251"},
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{"tg", "windows-1251"},
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{"th", "windows-874"},
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{"tr", "windows-1254"},
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{"tt", "windows-1251"},
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{"uk", "windows-1251"},
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{"vi", "windows-1258"},
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{"zh-hans", "gb18030"},
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{"zh-hant", "big5"},
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}
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