mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-21 20:46:30 -05:00
96 lines
3 KiB
Go
96 lines
3 KiB
Go
// Copyright 2015 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tpl
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import (
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"fmt"
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"github.com/nicksnyder/go-i18n/i18n/bundle"
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"github.com/spf13/hugo/helpers"
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jww "github.com/spf13/jwalterweatherman"
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"github.com/spf13/viper"
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)
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var (
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Logi18nWarnings bool
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i18nWarningLogger = helpers.NewDistinctFeedbackLogger()
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)
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type translate struct {
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translateFuncs map[string]bundle.TranslateFunc
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current bundle.TranslateFunc
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}
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var translator *translate
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// SetTranslateLang sets the translations language to use during template processing.
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// This construction is unfortunate, but the template system is currently global.
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func SetTranslateLang(lang string) error {
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if f, ok := translator.translateFuncs[lang]; ok {
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translator.current = f
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} else {
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jww.WARN.Printf("Translation func for language %v not found, use default.", lang)
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translator.current = translator.translateFuncs[viper.GetString("DefaultContentLanguage")]
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}
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return nil
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}
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func SetI18nTfuncs(bndl *bundle.Bundle) {
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translator = &translate{translateFuncs: make(map[string]bundle.TranslateFunc)}
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defaultContentLanguage := viper.GetString("DefaultContentLanguage")
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var (
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defaultT bundle.TranslateFunc
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err error
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)
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defaultT, err = bndl.Tfunc(defaultContentLanguage)
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if err != nil {
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jww.WARN.Printf("No translation bundle found for default language %q", defaultContentLanguage)
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}
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for _, lang := range bndl.LanguageTags() {
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currentLang := lang
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tFunc, err := bndl.Tfunc(currentLang)
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if err != nil {
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jww.WARN.Printf("could not load translations for language %q (%s), will use default content language.\n", lang, err)
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translator.translateFuncs[currentLang] = defaultT
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continue
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}
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translator.translateFuncs[currentLang] = func(translationID string, args ...interface{}) string {
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if translated := tFunc(translationID, args...); translated != translationID {
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return translated
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}
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if Logi18nWarnings {
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i18nWarningLogger.Printf("i18n|MISSING_TRANSLATION|%s|%s", currentLang, translationID)
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}
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if defaultT != nil {
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if translated := defaultT(translationID, args...); translated != translationID {
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return translated
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}
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}
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return fmt.Sprintf("[i18n] %s", translationID)
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}
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}
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}
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func I18nTranslate(id string, args ...interface{}) (string, error) {
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if translator == nil || translator.current == nil {
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helpers.DistinctErrorLog.Printf("i18n not initialized, check that you have language file (in i18n) that matches the site language or the default language.")
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return "", nil
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}
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return translator.current(id, args...), nil
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}
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