func init() {
// TO DO : find another way maybe with assets, go bind-data
out1, _ := Asset("en-us.all.yaml")
out2, _ := Asset("fr-be.all.yaml")
i18n.ParseTranslationFileBytes("en-us.all.yaml", out1)
i18n.ParseTranslationFileBytes("fr-be.all.yaml", out2)
Tr, _ = i18n.Tfunc("fr-be")
}
func loadFromAsset(locale string) (err error) {
assetName := locale + ".all.json"
assetKey := filepath.Join(resourcePath, assetName)
bytes, err := Asset(assetKey)
if err != nil {
return
}
err = goi18n.ParseTranslationFileBytes(assetName, bytes)
return
}
func loadAsset(assetName string) {
assetBytes, err := resources.Asset(assetName)
if err != nil {
panic(fmt.Sprintf("Could not load asset '%s': %s", assetName, err.Error()))
}
err = go_i18n.ParseTranslationFileBytes(assetName, assetBytes)
if err != nil {
panic(fmt.Sprintf("Could not load translations '%s': %s", assetName, err.Error()))
}
}
func loadAsset(assetName string) error {
assetBytes, err := resources.Asset(assetName)
if err != nil {
return fmt.Errorf("Could not load asset '%s': %s", assetName, err.Error())
}
err = i18n.ParseTranslationFileBytes(assetName, assetBytes)
if err != nil {
return fmt.Errorf("Could not load translations '%s': %s", assetName, err.Error())
}
return nil
}
func Init(config core_config.Reader) go_i18n.TranslateFunc {
sources := []string{
config.Locale(),
os.Getenv(lcAll),
os.Getenv(lang),
defaultLocale,
}
assetNames := resources.AssetNames()
for _, source := range sources {
if source == "" {
continue
}
for _, l := range language.Parse(source) {
if l.Tag == zhTW || l.Tag == zhHK {
l.Tag = zhHant
}
for _, assetName := range assetNames {
assetLocale := strings.ToLower(strings.Replace(path.Base(assetName), underscore, hyphen, -1))
if strings.HasPrefix(assetLocale, l.Tag) {
assetBytes, err := resources.Asset(assetName)
if err != nil {
panic(fmt.Sprintf("Could not load asset '%s': %s", assetName, err.Error()))
}
err = go_i18n.ParseTranslationFileBytes(assetName, assetBytes)
if err != nil {
panic(fmt.Sprintf("Could not load translations '%s': %s", assetName, err.Error()))
}
T, err := go_i18n.Tfunc(source)
if err == nil {
return T
}
}
}
}
}
panic("Unable to find suitable translation")
}
func loadLanguage(assets *AssetBin, langFile string) {
fp := filepath.Join(l10n, langFile)
if err := i18n.ParseTranslationFileBytes(fp, assets.MustLoad(fp)); err != nil {
panic("Can't load language '" + langFile + "'; " + err.Error())
}
}
func (imw I18N) Handler(ph http.Handler, c context.Context) http.Handler {
for _, l := range imw.Languages {
file, err := fs.DefaultFS.OpenRoot(imw.Dir, l+".all.json")
if err == nil {
var b []byte
if b, err = ioutil.ReadAll(file); err == nil {
err = i18n.ParseTranslationFileBytes(l+".all.json", b)
}
}
if err != nil {
panic(fmt.Sprintf("Error opening locale file '%s.all.json': %v\n", l, err))
}
}
renderer := webfw.GetRenderer(c)
renderer.Funcs(imw.TemplateFuncMap())
handler := func(w http.ResponseWriter, r *http.Request) {
c.Set(r, context.BaseCtxKey("langs"), imw.Languages)
if len(imw.Languages) == 0 {
c.Set(r, context.BaseCtxKey("lang"), "")
ph.ServeHTTP(w, r)
return
}
found := false
uriParts := strings.SplitN(r.RequestURI, "?", 2)
if uriParts[0] == "" {
uriParts[0] = r.URL.Path
}
for _, prefix := range imw.IgnoreURLPrefix {
if prefix[0] == '/' {
prefix = prefix[1:]
}
if strings.HasPrefix(uriParts[0], imw.Pattern+prefix+"/") {
found = true
break
}
if uriParts[0] == imw.Pattern+prefix {
found = true
break
}
}
if !found {
for _, language := range imw.Languages {
if uriParts[0] == imw.Pattern+language {
url := uriParts[0] + "/"
if len(uriParts) > 1 && uriParts[1] != "" {
url += "?" + uriParts[1]
}
http.Redirect(w, r, url, http.StatusFound)
return
}
if strings.HasPrefix(uriParts[0], imw.Pattern+language+"/") {
r.URL.Path = imw.Pattern + r.URL.Path[len(imw.Pattern+language+"/"):]
uriParts[0] = imw.Pattern + uriParts[0][len(imw.Pattern+language+"/"):]
r.RequestURI = strings.Join(uriParts, "?")
c.Set(r, context.BaseCtxKey("lang"), language)
found = true
s := webfw.GetSession(c, r)
s.Set("language", language)
break
}
}
}
if !found {
fallback := webfw.GetFallbackLanguage(c, r, imw.FallbackLanguage)
index := strings.Index(fallback, "-")
short := fallback
if index > -1 {
short = fallback[:index]
}
foundShort := false
for _, language := range imw.Languages {
if language == fallback {
found = true
break
}
if language == short {
foundShort = true
}
}
var language string
if found {
language = fallback
} else if foundShort {
language = short
} else {
language = imw.FallbackLanguage
}
url := imw.Pattern + language + uriParts[0][len(imw.Pattern)-1:]
if len(uriParts) > 1 && uriParts[1] != "" {
url += "?" + uriParts[1]
}
http.Redirect(w, r, url, http.StatusFound)
return
}
ph.ServeHTTP(w, r)
}
return http.HandlerFunc(handler)
}
// SupressTestingErrorMessages loads a minimal en-US locale for testing purposes only. Should be called in init()
func SupressTestingErrorMessages() {
_ = i18n.ParseTranslationFileBytes("en-US.json", []byte(`[{"id":"test", "translation":"message"}]`))
}