func formatForLang(t language.Tag, index []byte) *Format {
for ; ; t = t.Parent() {
if x, ok := language.CompactIndex(t); ok {
return &formats[index[x]]
}
}
}
func (p *I18n) set(lng *language.Tag, code, message string) {
lang := lng.String()
if _, ok := p.Locales[lang]; !ok {
p.Locales[lang] = make(map[string]string)
}
p.Locales[lang][code] = message
}
// Translate one or more strings of text from a source language to a target
// language. All inputs must be in the same language.
//
// The target parameter supplies the language to translate to. The supported
// languages are listed at
// https://cloud.google.com/translate/v2/translate-reference#supported_languages.
// You can also call the SupportedLanguages method.
//
// The returned Translations appear in the same order as the inputs.
func (c *Client) Translate(ctx context.Context, inputs []string, target language.Tag, opts *Options) ([]Translation, error) {
call := c.raw.Translations.List(inputs, target.String()).Context(ctx)
if opts != nil {
if s := opts.Source; s != language.Und {
call.Source(s.String())
}
if f := opts.Format; f != "" {
call.Format(string(f))
}
if m := opts.Model; m != "" {
call.Model(m)
}
}
res, err := call.Do()
if err != nil {
return nil, err
}
var ts []Translation
for _, t := range res.Translations {
var source language.Tag
if t.DetectedSourceLanguage != "" {
source, err = language.Parse(t.DetectedSourceLanguage)
if err != nil {
return nil, err
}
}
ts = append(ts, Translation{
Text: t.TranslatedText,
Source: source,
Model: t.Model,
})
}
return ts, nil
}
// InfoFromTag returns a Info for the given language tag.
func InfoFromTag(t language.Tag) Info {
for {
if index, ok := language.CompactIndex(t); ok {
return InfoFromLangID(index, t.TypeForKey("nu"))
}
t = t.Parent()
}
}
//Get get locale
func (p *DatabaseProvider) Get(lng *language.Tag, code string) string {
var l Locale
if err := p.Db.Where("lang = ? AND code = ?", lng.String(), code).First(&l).Error; err != nil {
p.Logger.Error(err)
}
return l.Message
}
//T translate by lang tag
func (p *I18n) T(lng *language.Tag, code string, args ...interface{}) string {
lang := lng.String()
msg := p.Provider.Get(lng, code)
if len(msg) == 0 {
if items, ok := p.Locales[lang]; ok {
msg = items[code]
}
}
return fmt.Sprintf(msg, args...)
}
// Tailoring returns a Tailoring for the given locale. One should
// have completed all calls to Add before calling Tailoring.
func (b *Builder) Tailoring(loc language.Tag) *Tailoring {
t := &Tailoring{
id: loc.String(),
builder: b,
index: b.root.clone(),
}
t.index.id = t.id
b.locale = append(b.locale, t)
return t
}
func ldmlBool(t language.Tag, old bool, key string) bool {
switch t.TypeForKey(key) {
case "true":
return true
case "false":
return false
default:
return old
}
}
// FromTag reports the most likely currency for the given tag. It considers the
// currency defined in the -u extension and infers the region if necessary.
func FromTag(t language.Tag) (Unit, language.Confidence) {
if cur := t.TypeForKey("cu"); len(cur) == 3 {
c, _ := ParseISO(cur)
return c, language.Exact
}
r, conf := t.Region()
if cur, ok := FromRegion(r); ok {
return cur, conf
}
return Unit{}, language.No
}
// GetLanguages returns a list of languages as a key/value slice. Odd index/key = locale,
// even index/value = Humanized readable string. The humanized strings contains the language
// name in its language and language name in requested tag
func GetLanguages(t language.Tag) []string {
var ret = make([]string, len(tags)*2)
n := getDict(t)
i := 0
for _, t := range tags {
b, _ := t.Base()
r, _ := t.Region()
ret[i] = GetLocale(b, r)
ret[i+1] = fmt.Sprintf("%-20s (%s)", display.Self.Name(t), n.Languages().Name(t))
i = i + 2
}
return ret
}
// FromTag reports the most likely currency for the given tag. It considers the
// currency defined in the -u extension and infers the region if necessary.
func FromTag(t language.Tag) (Currency, language.Confidence) {
if cur := t.TypeForKey("cu"); len(cur) == 3 {
var buf [3]byte
copy(buf[:], cur)
tag.FixCase("XXX", buf[:])
if x := currency.Index(buf[:]); x > 0 {
return Currency{uint16(x)}, language.Exact
}
}
r, conf := t.Region()
if cur, ok := FromRegion(r); ok {
return cur, conf
}
return Currency{}, language.No
}
//Set set locale
func (p *DatabaseProvider) Set(lng *language.Tag, code, message string) {
var l Locale
var err error
if p.Db.Where("lang = ? AND code = ?", lng.String(), code).First(&l).RecordNotFound() {
l.Lang = lng.String()
l.Code = code
l.Message = message
err = p.Db.Create(&l).Error
} else {
l.Message = message
err = p.Db.Save(&l).Error
}
if err != nil {
p.Logger.Error(err)
}
}
func (c *Catalog) get(tag language.Tag, key string) (msg string, ok bool) {
c.mutex.Lock()
defer c.mutex.Unlock()
for ; ; tag = tag.Parent() {
if msgs, ok := c.index[tag]; ok {
if statement, ok := msgs[key]; ok {
// TODO: use type switches when we implement selecting.
msg := string(statement.(format.String))
return msg, true
}
}
if tag == language.Und {
break
}
}
return "", false
}
// SupportedLanguages returns a list of supported languages for translation.
// The target parameter is the language to use to return localized, human
// readable names of supported languages.
func (c *Client) SupportedLanguages(ctx context.Context, target language.Tag) ([]Language, error) {
call := c.raw.Languages.List().Context(ctx).Target(target.String())
res, err := call.Do()
if err != nil {
return nil, err
}
var ls []Language
for _, l := range res.Languages {
tag, err := language.Parse(l.Language)
if err != nil {
return nil, err
}
ls = append(ls, Language{
Name: l.Name,
Tag: tag,
})
}
return ls, nil
}
func (o *options) setFromTag(t language.Tag) {
o.caseLevel = ldmlBool(t, o.caseLevel, "kc")
o.backwards = ldmlBool(t, o.backwards, "kb")
o.numeric = ldmlBool(t, o.numeric, "kn")
// Extract settings from the BCP47 u extension.
switch t.TypeForKey("ks") { // strength
case "level1":
o.ignore[colltab.Secondary] = true
o.ignore[colltab.Tertiary] = true
case "level2":
o.ignore[colltab.Tertiary] = true
case "level3", "":
// The default.
case "level4":
o.ignore[colltab.Quaternary] = false
case "identic":
o.ignore[colltab.Quaternary] = false
o.ignore[colltab.Identity] = false
}
switch t.TypeForKey("ka") {
case "shifted":
o.alternate = altShifted
// The following two types are not official BCP47, but we support them to
// give access to this otherwise hidden functionality. The name blanked is
// derived from the LDML name blanked and posix reflects the main use of
// the shift-trimmed option.
case "blanked":
o.alternate = altBlanked
case "posix":
o.alternate = altShiftTrimmed
}
// TODO: caseFirst ("kf"), reorder ("kr"), and maybe variableTop ("vt").
// Not used:
// - normalization ("kk", not necessary for this implementation)
// - hiraganaQuatenary ("kh", obsolete)
}
// identifier creates an identifier from the given tag.
func identifier(t language.Tag) string {
return strings.Replace(t.String(), "-", "", -1)
}
func (p *RedisProvider) key(lng *language.Tag, code string) string {
return fmt.Sprintf("locale://%s/%s", lng.String(), code)
}
//Del del locale
func (p *DatabaseProvider) Del(lng *language.Tag, code string) {
if err := p.Db.Where("lang = ? AND code = ?", lng.String(), code).Delete(Locale{}).Error; err != nil {
p.Logger.Error(err)
}
}
// parent computes the structural parent. This means inheritance may change
// script. So, unlike the CLDR parent, parent(zh-Hant) == zh.
func parent(t language.Tag) language.Tag {
if t.TypeForKey("va") != "" {
t, _ = t.SetTypeForKey("va", "")
return t
}
result := language.Und
if b, s, r := t.Raw(); (r != language.Region{}) {
result, _ = language.Raw.Compose(b, s, t.Extensions())
} else if (s != language.Script{}) {
result, _ = language.Raw.Compose(b, t.Extensions())
} else if (b != language.Base{}) {
result, _ = language.Raw.Compose(t.Extensions())
}
return result
}
// MatchLang finds the index of t in tags, using a matching algorithm used for
// collation and search. tags[0] must be language.Und, the remaining tags should
// be sorted alphabetically.
//
// Language matching for collation and search is different from the matching
// defined by language.Matcher: the (inferred) base language must be an exact
// match for the relevant fields. For example, "gsw" should not match "de".
// Also the parent relation is different, as a parent may have a different
// script. So usually the parent of zh-Hant is und, whereas for MatchLang it is
// zh.
func MatchLang(t language.Tag, tags []language.Tag) int {
// Canonicalize the values, including collapsing macro languages.
t, _ = language.All.Canonicalize(t)
base, conf := t.Base()
// Estimate the base language, but only use high-confidence values.
if conf < language.High {
// The root locale supports "search" and "standard". We assume that any
// implementation will only use one of both.
return 0
}
// Maximize base and script and normalize the tag.
if _, s, r := t.Raw(); (r != language.Region{}) {
p, _ := language.Raw.Compose(base, s, r)
// Taking the parent forces the script to be maximized.
p = p.Parent()
// Add back region and extensions.
t, _ = language.Raw.Compose(p, r, t.Extensions())
} else {
// Set the maximized base language.
t, _ = language.Raw.Compose(base, s, t.Extensions())
}
// Find start index of the language tag.
start := 1 + sort.Search(len(tags)-1, func(i int) bool {
b, _, _ := tags[i+1].Raw()
return base.String() <= b.String()
})
if start < len(tags) {
if b, _, _ := tags[start].Raw(); b != base {
return 0
}
}
// Besides the base language, script and region, only the collation type and
// the custom variant defined in the 'u' extension are used to distinguish a
// locale.
// Strip all variants and extensions and add back the custom variant.
tdef, _ := language.Raw.Compose(t.Raw())
tdef, _ = tdef.SetTypeForKey("va", t.TypeForKey("va"))
// First search for a specialized collation type, if present.
try := []language.Tag{tdef}
if co := t.TypeForKey("co"); co != "" {
tco, _ := tdef.SetTypeForKey("co", co)
try = []language.Tag{tco, tdef}
}
for _, tx := range try {
for ; tx != language.Und; tx = parent(tx) {
for i, t := range tags[start:] {
if b, _, _ := t.Raw(); b != base {
break
}
if tx == t {
return start + i
}
}
}
}
return 0
}
//Keys list locale keys
func (p *DatabaseProvider) Keys(lng *language.Tag) ([]string, error) {
var keys []string
err := p.Db.Model(&Locale{}).Where("lang = ?", lng.String()).Pluck("code", &keys).Error
return keys, err
}
// Gets the translation for the specified key in the language
// represented by tag
func (i18n JsonI18n) GetTranslation(key string, tag language.Tag) string {
if val, ok := i18n.translations[tag.String()]; ok {
return val[key]
}
return key
}
func (i18n JsonI18n) addTranslationMap(languageMap TranslationMap, tag language.Tag) error {
parent := tag.String()
i18n.translations[parent] = languageMap
return nil
}