1 files changed, 50 insertions, 0 deletions
diff --git a/modules/translation/i18n/i18n.go b/modules/translation/i18n/i18n.go
new file mode 100644
index 0000000..1555cd9
--- /dev/null
+++ b/modules/translation/i18n/i18n.go
@@ -0,0 +1,50 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package i18n
+
+import (
+	"html/template"
+	"io"
+)
+
+var DefaultLocales = NewLocaleStore()
+
+type Locale interface {
+	// TrString translates a given key and arguments for a language
+	TrString(trKey string, trArgs ...any) string
+	// TrHTML translates a given key and arguments for a language, string arguments are escaped to HTML
+	TrHTML(trKey string, trArgs ...any) template.HTML
+	// HasKey reports if a locale has a translation for a given key
+	HasKey(trKey string) bool
+}
+
+// LocaleStore provides the functions common to all locale stores
+type LocaleStore interface {
+	io.Closer
+
+	// SetDefaultLang sets the default language to fall back to
+	SetDefaultLang(lang string)
+	// ListLangNameDesc provides paired slices of language names to descriptors
+	ListLangNameDesc() (names, desc []string)
+	// Locale return the locale for the provided language or the default language if not found
+	Locale(langName string) (Locale, bool)
+	// HasLang returns whether a given language is present in the store
+	HasLang(langName string) bool
+	// AddLocaleByIni adds a new language to the store
+	AddLocaleByIni(langName, langDesc string, source, moreSource []byte) error
+}
+
+// ResetDefaultLocales resets the current default locales
+// NOTE: this is not synchronized
+func ResetDefaultLocales() {
+	if DefaultLocales != nil {
+		_ = DefaultLocales.Close()
+	}
+	DefaultLocales = NewLocaleStore()
+}
+
+// GetLocale returns the locale from the default locales
+func GetLocale(lang string) (Locale, bool) {
+	return DefaultLocales.Locale(lang)
+}