You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
114 lines
2.8 KiB
114 lines
2.8 KiB
package ut
|
|
|
|
import (
|
|
"strings"
|
|
|
|
"github.com/go-playground/locales"
|
|
)
|
|
|
|
// UniversalTranslator holds all locale & translation data
|
|
type UniversalTranslator struct {
|
|
translators map[string]Translator
|
|
fallback Translator
|
|
}
|
|
|
|
// New returns a new UniversalTranslator instance set with
|
|
// the fallback locale and locales it should support
|
|
func New(fallback locales.Translator, supportedLocales ...locales.Translator) *UniversalTranslator {
|
|
|
|
t := &UniversalTranslator{
|
|
translators: make(map[string]Translator),
|
|
}
|
|
|
|
for _, v := range supportedLocales {
|
|
|
|
trans := newTranslator(v)
|
|
t.translators[strings.ToLower(trans.Locale())] = trans
|
|
|
|
if fallback.Locale() == v.Locale() {
|
|
t.fallback = trans
|
|
}
|
|
}
|
|
|
|
if t.fallback == nil && fallback != nil {
|
|
t.fallback = newTranslator(fallback)
|
|
}
|
|
|
|
return t
|
|
}
|
|
|
|
// FindTranslator trys to find a Translator based on an array of locales
|
|
// and returns the first one it can find, otherwise returns the
|
|
// fallback translator.
|
|
func (t *UniversalTranslator) FindTranslator(locales ...string) (trans Translator, found bool) {
|
|
|
|
for _, locale := range locales {
|
|
|
|
if trans, found = t.translators[strings.ToLower(locale)]; found {
|
|
return
|
|
}
|
|
}
|
|
|
|
return t.fallback, false
|
|
}
|
|
|
|
// GetTranslator returns the specified translator for the given locale,
|
|
// or fallback if not found
|
|
func (t *UniversalTranslator) GetTranslator(locale string) (trans Translator, found bool) {
|
|
|
|
if trans, found = t.translators[strings.ToLower(locale)]; found {
|
|
return
|
|
}
|
|
|
|
return t.fallback, false
|
|
}
|
|
|
|
// GetFallback returns the fallback locale
|
|
func (t *UniversalTranslator) GetFallback() Translator {
|
|
return t.fallback
|
|
}
|
|
|
|
// AddTranslator adds the supplied translator, if it already exists the override param
|
|
// will be checked and if false an error will be returned, otherwise the translator will be
|
|
// overridden; if the fallback matches the supplied translator it will be overridden as well
|
|
// NOTE: this is normally only used when translator is embedded within a library
|
|
func (t *UniversalTranslator) AddTranslator(translator locales.Translator, override bool) error {
|
|
|
|
lc := strings.ToLower(translator.Locale())
|
|
_, ok := t.translators[lc]
|
|
if ok && !override {
|
|
return &ErrExistingTranslator{locale: translator.Locale()}
|
|
}
|
|
|
|
trans := newTranslator(translator)
|
|
|
|
if t.fallback.Locale() == translator.Locale() {
|
|
|
|
// because it's optional to have a fallback, I don't impose that limitation
|
|
// don't know why you wouldn't but...
|
|
if !override {
|
|
return &ErrExistingTranslator{locale: translator.Locale()}
|
|
}
|
|
|
|
t.fallback = trans
|
|
}
|
|
|
|
t.translators[lc] = trans
|
|
|
|
return nil
|
|
}
|
|
|
|
// VerifyTranslations runs through all locales and identifies any issues
|
|
// eg. missing plural rules for a locale
|
|
func (t *UniversalTranslator) VerifyTranslations() (err error) {
|
|
|
|
for _, trans := range t.translators {
|
|
err = trans.VerifyTranslations()
|
|
if err != nil {
|
|
return
|
|
}
|
|
}
|
|
|
|
return
|
|
}
|