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Unify and simplify TrN for i18n (#18141)

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Refer: https://github.com/go-gitea/gitea/pull/18135#issuecomment-1003246099

Now we have a unique and simple `TrN`, and make the fix of PR #18135 also use the better `TrN` logic.
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wxiaoguang 2022-01-02 11:33:57 +08:00 • committed by GitHub
parent 88da7a7174
commit e61b390d54
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19 changed files with 148 additions and 136 deletions
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64
modules/templates/helper.go
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@ -239,7 +239,6 @@ func NewFuncMap() []template.FuncMap {
"DisableImportLocal": func() bool {
return !setting.ImportLocalPaths
},
"TrN": TrN,
"Dict": func(values ...interface{}) (map[string]interface{}, error) {
if len(values)%2 != 0 {
return nil, errors.New("invalid dict call")
@ -857,69 +856,6 @@ func DiffLineTypeToStr(diffType int) string {
return "same"
}
// Language specific rules for translating plural texts
var trNLangRules = map[string]func(int64) int{
"en-US": func(cnt int64) int {
if cnt == 1 {
return 0
}
return 1
},
"lv-LV": func(cnt int64) int {
if cnt%10 == 1 && cnt%100 != 11 {
return 0
}
return 1
},
"ru-RU": func(cnt int64) int {
if cnt%10 == 1 && cnt%100 != 11 {
return 0
}
return 1
},
"zh-CN": func(cnt int64) int {
return 0
},
"zh-HK": func(cnt int64) int {
return 0
},
"zh-TW": func(cnt int64) int {
return 0
},
"fr-FR": func(cnt int64) int {
if cnt > -2 && cnt < 2 {
return 0
}
return 1
},
}
// TrN returns key to be used for plural text translation
func TrN(lang string, cnt interface{}, key1, keyN string) string {
var c int64
if t, ok := cnt.(int); ok {
c = int64(t)
} else if t, ok := cnt.(int16); ok {
c = int64(t)
} else if t, ok := cnt.(int32); ok {
c = int64(t)
} else if t, ok := cnt.(int64); ok {
c = t
} else {
return keyN
}
ruleFunc, ok := trNLangRules[lang]
if !ok {
ruleFunc = trNLangRules["en-US"]
}
if ruleFunc(c) == 0 {
return key1
}
return keyN
}
// MigrationIcon returns a SVG name matching the service an issue/comment was migrated from
func MigrationIcon(hostname string) string {
switch hostname {