diff options
Diffstat (limited to 'vendor/github.com/nicksnyder/go-i18n/i18n/language/language.go')
-rw-r--r-- | vendor/github.com/nicksnyder/go-i18n/i18n/language/language.go | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/vendor/github.com/nicksnyder/go-i18n/i18n/language/language.go b/vendor/github.com/nicksnyder/go-i18n/i18n/language/language.go deleted file mode 100644 index 9a155efc..00000000 --- a/vendor/github.com/nicksnyder/go-i18n/i18n/language/language.go +++ /dev/null @@ -1,99 +0,0 @@ -// Package language defines languages that implement CLDR pluralization. -package language - -import ( - "fmt" - "strings" -) - -// Language is a written human language. -type Language struct { - // Tag uniquely identifies the language as defined by RFC 5646. - // - // Most language tags are a two character language code (ISO 639-1) - // optionally followed by a dash and a two character country code (ISO 3166-1). - // (e.g. en, pt-br) - Tag string - *PluralSpec -} - -func (l *Language) String() string { - return l.Tag -} - -// MatchingTags returns the set of language tags that map to this Language. -// e.g. "zh-hans-cn" yields {"zh", "zh-hans", "zh-hans-cn"} -// BUG: This should be computed once and stored as a field on Language for efficiency, -// but this would require changing how Languages are constructed. -func (l *Language) MatchingTags() []string { - parts := strings.Split(l.Tag, "-") - var prefix, matches []string - for _, part := range parts { - prefix = append(prefix, part) - match := strings.Join(prefix, "-") - matches = append(matches, match) - } - return matches -} - -// Parse returns a slice of supported languages found in src or nil if none are found. -// It can parse language tags and Accept-Language headers. -func Parse(src string) []*Language { - var langs []*Language - start := 0 - for end, chr := range src { - switch chr { - case ',', ';', '.': - tag := strings.TrimSpace(src[start:end]) - if spec := getPluralSpec(tag); spec != nil { - langs = append(langs, &Language{NormalizeTag(tag), spec}) - } - start = end + 1 - } - } - if start > 0 { - tag := strings.TrimSpace(src[start:]) - if spec := getPluralSpec(tag); spec != nil { - langs = append(langs, &Language{NormalizeTag(tag), spec}) - } - return dedupe(langs) - } - if spec := getPluralSpec(src); spec != nil { - langs = append(langs, &Language{NormalizeTag(src), spec}) - } - return langs -} - -func dedupe(langs []*Language) []*Language { - found := make(map[string]struct{}, len(langs)) - deduped := make([]*Language, 0, len(langs)) - for _, lang := range langs { - if _, ok := found[lang.Tag]; !ok { - found[lang.Tag] = struct{}{} - deduped = append(deduped, lang) - } - } - return deduped -} - -// MustParse is similar to Parse except it panics instead of retuning a nil Language. -func MustParse(src string) []*Language { - langs := Parse(src) - if len(langs) == 0 { - panic(fmt.Errorf("unable to parse language from %q", src)) - } - return langs -} - -// Add adds support for a new language. -func Add(l *Language) { - tag := NormalizeTag(l.Tag) - pluralSpecs[tag] = l.PluralSpec -} - -// NormalizeTag returns a language tag with all lower-case characters -// and dashes "-" instead of underscores "_" -func NormalizeTag(tag string) string { - tag = strings.ToLower(tag) - return strings.Replace(tag, "_", "-", -1) -} |