forgejo-federation/modules/translation/translation.go

98 lines
2.3 KiB
Go

// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package translation
import (
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/options"
"code.gitea.io/gitea/modules/setting"
"github.com/unknwon/i18n"
"golang.org/x/text/language"
)
// Locale represents an interface to translation
type Locale interface {
Language() string
Tr(string, ...interface{}) string
}
// LangType represents a lang type
type LangType struct {
Lang, Name string
}
var (
matcher language.Matcher
allLangs []LangType
)
// AllLangs returns all supported langauages
func AllLangs() []LangType {
return allLangs
}
// InitLocales loads the locales
func InitLocales() {
localeNames, err := options.Dir("locale")
if err != nil {
log.Fatal("Failed to list locale files: %v", err)
}
localFiles := make(map[string][]byte)
for _, name := range localeNames {
localFiles[name], err = options.Locale(name)
if err != nil {
log.Fatal("Failed to load %s locale file. %v", name, err)
}
}
tags := make([]language.Tag, len(setting.Langs))
for i, lang := range setting.Langs {
tags[i] = language.Raw.Make(lang)
}
matcher = language.NewMatcher(tags)
for i := range setting.Names {
key := "locale_" + setting.Langs[i] + ".ini"
if err := i18n.SetMessageWithDesc(setting.Langs[i], setting.Names[i], localFiles[key]); err != nil {
log.Fatal("Failed to set messages to %s: %v", setting.Langs[i], err)
}
}
i18n.SetDefaultLang("en-US")
allLangs = make([]LangType, 0, i18n.Count()-1)
langs := i18n.ListLangs()
names := i18n.ListLangDescs()
for i, v := range langs {
allLangs = append(allLangs, LangType{v, names[i]})
}
}
// Match matches accept languages
func Match(tags ...language.Tag) (tag language.Tag, index int, c language.Confidence) {
return matcher.Match(tags...)
}
// locale represents the information of localization.
type locale struct {
Lang string
}
// NewLocale return a locale
func NewLocale(lang string) Locale {
return &locale{
Lang: lang,
}
}
func (l *locale) Language() string {
return l.Lang
}
// Tr translates content to target language.
func (l *locale) Tr(format string, args ...interface{}) string {
return i18n.Tr(l.Lang, format, args...)
}