102 lines
2 KiB
Go
102 lines
2 KiB
Go
package i18n
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// GetPluralRule returns the plural rule for a language code.
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func GetPluralRule(lang string) PluralRule {
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if rule, ok := pluralRules[lang]; ok {
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return rule
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}
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if len(lang) > 2 {
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base := lang[:2]
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if rule, ok := pluralRules[base]; ok {
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return rule
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}
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}
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return pluralRuleEnglish
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}
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// GetPluralCategory returns the plural category for a count in the given language.
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func GetPluralCategory(lang string, n int) PluralCategory {
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return GetPluralRule(lang)(n)
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}
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func pluralRuleEnglish(n int) PluralCategory {
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if n == 1 {
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return PluralOne
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}
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return PluralOther
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}
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func pluralRuleGerman(n int) PluralCategory { return pluralRuleEnglish(n) }
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func pluralRuleSpanish(n int) PluralCategory { return pluralRuleEnglish(n) }
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func pluralRuleFrench(n int) PluralCategory {
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if n == 0 || n == 1 {
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return PluralOne
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}
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return PluralOther
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}
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func pluralRuleRussian(n int) PluralCategory {
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mod10 := n % 10
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mod100 := n % 100
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if mod10 == 1 && mod100 != 11 {
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return PluralOne
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}
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if mod10 >= 2 && mod10 <= 4 && (mod100 < 12 || mod100 > 14) {
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return PluralFew
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}
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return PluralMany
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}
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func pluralRulePolish(n int) PluralCategory {
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if n == 1 {
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return PluralOne
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}
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mod10 := n % 10
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mod100 := n % 100
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if mod10 >= 2 && mod10 <= 4 && (mod100 < 12 || mod100 > 14) {
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return PluralFew
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}
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return PluralMany
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}
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func pluralRuleArabic(n int) PluralCategory {
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if n == 0 {
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return PluralZero
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}
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if n == 1 {
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return PluralOne
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}
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if n == 2 {
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return PluralTwo
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}
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mod100 := n % 100
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if mod100 >= 3 && mod100 <= 10 {
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return PluralFew
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}
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if mod100 >= 11 && mod100 <= 99 {
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return PluralMany
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}
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return PluralOther
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}
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func pluralRuleChinese(n int) PluralCategory { return PluralOther }
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func pluralRuleJapanese(n int) PluralCategory { return PluralOther }
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func pluralRuleKorean(n int) PluralCategory { return PluralOther }
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func pluralRuleWelsh(n int) PluralCategory {
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switch n {
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case 0:
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return PluralZero
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case 1:
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return PluralOne
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case 2:
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return PluralTwo
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case 3:
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return PluralFew
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case 6:
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return PluralMany
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default:
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return PluralOther
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}
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}
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