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https://github.com/go-gitea/gitea
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b228a0aa44
Backport #15452 Fix #14793. The previous implementation used the first return value of matcher.Match, which is the chosen language tag but may contain extensions such as de-DE-u-rg-chzzzz. As mentioned in the documentation of language package, matcher.Match also returns the index of the supported tags, so I think it is better to use it rather than manipulate the returned language tag. Co-authored-by: Naohisa Murakami <tiqwab.ch90@gmail.com>
108 lines
2.5 KiB
Go
108 lines
2.5 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package translation
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import (
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"errors"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/options"
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"code.gitea.io/gitea/modules/setting"
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"github.com/unknwon/i18n"
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"golang.org/x/text/language"
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)
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// Locale represents an interface to translation
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type Locale interface {
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Language() string
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Tr(string, ...interface{}) string
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}
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// LangType represents a lang type
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type LangType struct {
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Lang, Name string
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}
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var (
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matcher language.Matcher
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allLangs []LangType
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supportedTags []language.Tag
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)
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// AllLangs returns all supported langauages
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func AllLangs() []LangType {
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return allLangs
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}
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// InitLocales loads the locales
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func InitLocales() {
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localeNames, err := options.Dir("locale")
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if err != nil {
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log.Fatal("Failed to list locale files: %v", err)
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}
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localFiles := make(map[string][]byte)
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for _, name := range localeNames {
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localFiles[name], err = options.Locale(name)
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if err != nil {
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log.Fatal("Failed to load %s locale file. %v", name, err)
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}
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}
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supportedTags = make([]language.Tag, len(setting.Langs))
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for i, lang := range setting.Langs {
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supportedTags[i] = language.Raw.Make(lang)
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}
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matcher = language.NewMatcher(supportedTags)
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for i := range setting.Names {
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key := "locale_" + setting.Langs[i] + ".ini"
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if err = i18n.SetMessageWithDesc(setting.Langs[i], setting.Names[i], localFiles[key]); err != nil {
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if errors.Is(err, i18n.ErrLangAlreadyExist) {
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// just log if lang is already loaded since we can not reload it
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log.Warn("Can not load language '%s' since already loaded", setting.Langs[i])
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} else {
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log.Error("Failed to set messages to %s: %v", setting.Langs[i], err)
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}
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}
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}
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i18n.SetDefaultLang("en-US")
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allLangs = make([]LangType, 0, i18n.Count()-1)
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langs := i18n.ListLangs()
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names := i18n.ListLangDescs()
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for i, v := range langs {
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allLangs = append(allLangs, LangType{v, names[i]})
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}
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}
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// Match matches accept languages
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func Match(tags ...language.Tag) language.Tag {
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_, i, _ := matcher.Match(tags...)
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return supportedTags[i]
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}
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// locale represents the information of localization.
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type locale struct {
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Lang string
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}
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// NewLocale return a locale
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func NewLocale(lang string) Locale {
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return &locale{
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Lang: lang,
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}
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}
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func (l *locale) Language() string {
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return l.Lang
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}
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// Tr translates content to target language.
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func (l *locale) Tr(format string, args ...interface{}) string {
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return i18n.Tr(l.Lang, format, args...)
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}
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