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Rework the i18n template func handling

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Setting the language to use when loading the language bundles just doesn't work.
The template system is unfortanetely a global, and the last languate processed won ...
This commit is contained in:
Bjørn Erik Pedersen
2016-07-26 14:44:37 +02:00
parent 75dd596e6c
commit 52bf8f9095
3 changed files with 58 additions and 21 deletions
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50
tpl/template_i18n.go
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@@ -20,28 +20,46 @@ import (
jww "github.com/spf13/jwalterweatherman"
)
var i18nTfunc bundle.TranslateFunc
type translate struct {
translateFuncs map[string]bundle.TranslateFunc
func SetI18nTfunc(lang string, bndl *bundle.Bundle) {
tFunc, err := bndl.Tfunc(lang)
if err == nil {
i18nTfunc = tFunc
return
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
}
return fmt.Errorf("Translation func for language %v not found", lang)
}
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)
})
}
jww.WARN.Printf("could not load translations for language %q (%s), will not translate!\n", lang, err.Error())
i18nTfunc = 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 i18nTfunc == nil {
if translater == nil {
return "", fmt.Errorf("i18n not initialized, have you configured everything properly?")
}
return i18nTfunc(id, args...), nil
return translater.current(id, args...), nil
}