Ejemplo n.º 1
0
func TestNew(t *testing.T) {
	tests := []struct {
		localeID string
		lang     *language.Language
	}{
		{"en-US", language.LanguageWithID("en")},
		{"en_US", language.LanguageWithID("en")},
		{"zh-CN", language.LanguageWithID("zh")},
		{"zh-TW", language.LanguageWithID("zh")},
		{"pt-BR", language.LanguageWithID("pt-BR")},
		{"pt_BR", language.LanguageWithID("pt-BR")},
		{"pt-PT", language.LanguageWithID("pt")},
		{"pt_PT", language.LanguageWithID("pt")},
		{"zh-Hans-CN", nil},
		{"zh-Hant-TW", nil},
		{"xx-Yyen-US", nil},
		{"en US", nil},
		{"en-US-en-US", nil},
		{".en-US..en-US.", nil},
	}
	for _, test := range tests {
		loc, err := New(test.localeID)
		if loc == nil && test.lang != nil {
			t.Errorf("New(%q) = <nil>, %q; expected %q, <nil>", test.localeID, err, test.lang)
		}
		if loc != nil && loc.Language != test.lang {
			t.Errorf("New(%q) = %q; expected %q", test.localeID, loc.Language, test.lang)
		}
	}
}
Ejemplo n.º 2
0
// New searches s for a valid language tag (RFC 5646)
// of the form xx-YY or xx_YY where
// xx is a 2 character language code and
// YY is a 2 character country code.
//
// It returns an error if s doesn't contain exactly one language tag or
// if the language represented by the tag is not supported by this package.
func New(s string) (*Locale, error) {
	parts := tagSplitter.Split(s, -1)
	var id, lc string
	count := 0
	for _, part := range parts {
		if tag := tagMatcher.FindStringSubmatch(part); tag != nil {
			count += 1
			id, lc = tag[0], tag[1]
		}
	}
	if count != 1 {
		return nil, fmt.Errorf("%d locales found in string %s", count, s)
	}
	id = strings.Replace(id, "_", "-", -1)
	lang := language.LanguageWithID(id)
	if lang == nil {
		lang = language.LanguageWithID(lc)
	}
	if lang == nil {
		return nil, fmt.Errorf("unknown language %s", id)
	}
	return &Locale{id, lang}, nil
}