hugo/tpl/template_i18n.go
Bjørn Erik Pedersen 3a02807970 Add Translations and AllTranslations to Node
This commit also consolidates URLs on Node vs Page, so now .Permalink should be interoperable.

Note that this implementations should be fairly short-livded, waiting for #2297, but the API should be stable.
2016-09-06 18:32:16 +03:00

66 lines
2.2 KiB
Go

// Copyright 2015 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package tpl
import (
"fmt"
"github.com/nicksnyder/go-i18n/i18n/bundle"
jww "github.com/spf13/jwalterweatherman"
)
type translate struct {
translateFuncs map[string]bundle.TranslateFunc
current bundle.TranslateFunc
}
var translater *translate = &translate{translateFuncs: make(map[string]bundle.TranslateFunc)}
// SetTranslateLang sets the translations language to use during template processing.
// This construction is unfortunate, but the template system is currently global.
func SetTranslateLang(lang string) error {
if f, ok := translater.translateFuncs[lang]; ok {
translater.current = f
return nil
}
jww.WARN.Printf("Translation func for language %v not found", lang)
return nil
}
func SetI18nTfuncs(bndl *bundle.Bundle) {
for _, lang := range bndl.LanguageTags() {
tFunc, err := bndl.Tfunc(lang)
if err == nil {
translater.translateFuncs[lang] = tFunc
continue
}
jww.WARN.Printf("could not load translations for language %q (%s), will not translate!\n", lang, err.Error())
translater.translateFuncs[lang] = bundle.TranslateFunc(func(id string, args ...interface{}) string {
// TODO: depending on the site mode, we might want to fall back on the default
// language's translation.
// TODO: eventually, we could add --i18n-warnings and print something when
// such things happen.
return fmt.Sprintf("[i18n: %s]", id)
})
}
}
func I18nTranslate(id string, args ...interface{}) (string, error) {
if translater == nil || translater.current == nil {
return "", fmt.Errorf("i18n not initialized, have you configured everything properly?")
}
return translater.current(id, args...), nil
}