mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-07 20:30:36 -05:00
116 lines
3.6 KiB
Go
116 lines
3.6 KiB
Go
// Copyright 2017 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 i18n
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import (
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"reflect"
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"strings"
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"github.com/gohugoio/hugo/common/hreflect"
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"github.com/gohugoio/hugo/common/loggers"
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"github.com/gohugoio/hugo/config"
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"github.com/gohugoio/hugo/helpers"
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"github.com/nicksnyder/go-i18n/v2/i18n"
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)
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type translateFunc func(translationID string, templateData interface{}) string
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var (
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i18nWarningLogger = helpers.NewDistinctFeedbackLogger()
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)
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// Translator handles i18n translations.
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type Translator struct {
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translateFuncs map[string]translateFunc
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cfg config.Provider
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logger *loggers.Logger
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}
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// NewTranslator creates a new Translator for the given language bundle and configuration.
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func NewTranslator(b *i18n.Bundle, cfg config.Provider, logger *loggers.Logger) Translator {
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t := Translator{cfg: cfg, logger: logger, translateFuncs: make(map[string]translateFunc)}
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t.initFuncs(b)
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return t
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}
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// Func gets the translate func for the given language, or for the default
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// configured language if not found.
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func (t Translator) Func(lang string) translateFunc {
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if f, ok := t.translateFuncs[lang]; ok {
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return f
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}
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t.logger.INFO.Printf("Translation func for language %v not found, use default.", lang)
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if f, ok := t.translateFuncs[t.cfg.GetString("defaultContentLanguage")]; ok {
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return f
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}
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t.logger.INFO.Println("i18n not initialized; if you need string translations, check that you have a bundle in /i18n that matches the site language or the default language.")
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return func(translationID string, args interface{}) string {
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return ""
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}
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}
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func (t Translator) initFuncs(bndl *i18n.Bundle) {
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enableMissingTranslationPlaceholders := t.cfg.GetBool("enableMissingTranslationPlaceholders")
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for _, lang := range bndl.LanguageTags() {
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currentLang := lang
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currentLangStr := currentLang.String()
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currentLangKey := strings.TrimPrefix(currentLangStr, artificialLangTagPrefix)
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localizer := i18n.NewLocalizer(bndl, currentLangStr)
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t.translateFuncs[currentLangKey] = func(translationID string, templateData interface{}) string {
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var pluralCount interface{}
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if templateData != nil {
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tp := reflect.TypeOf(templateData)
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if hreflect.IsNumber(tp.Kind()) {
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pluralCount = templateData
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// This was how go-i18n worked in v1.
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templateData = map[string]interface{}{
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"Count": templateData,
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}
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}
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}
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translated, translatedLang, err := localizer.LocalizeWithTag(&i18n.LocalizeConfig{
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MessageID: translationID,
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TemplateData: templateData,
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PluralCount: pluralCount,
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})
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if err == nil && currentLang == translatedLang {
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return translated
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}
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if _, ok := err.(*i18n.MessageNotFoundErr); !ok {
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t.logger.WARN.Printf("Failed to get translated string for language %q and ID %q: %s", currentLangStr, translationID, err)
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}
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if t.cfg.GetBool("logI18nWarnings") {
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i18nWarningLogger.Printf("i18n|MISSING_TRANSLATION|%s|%s", currentLangStr, translationID)
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}
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if enableMissingTranslationPlaceholders {
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return "[i18n] " + translationID
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}
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return translated
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}
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}
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}
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