Initial QSfera import

Server/vendor/github.com/emvi/iso-639-1/iso6391.go

@@ -0,0 +1,91 @@
+package iso6391
+
+// FromCode returns the language for given code.
+func FromCode(code string) Language {
+	return Languages[code]
+}
+
+// FromName returns the language for given name.
+func FromName(name string) Language {
+	for _, lang := range Languages {
+		if lang.Name == name {
+			return lang
+		}
+	}
+
+	return Language{}
+}
+
+// FromNativeName returns the language for given native name.
+func FromNativeName(name string) Language {
+	for _, lang := range Languages {
+		if lang.NativeName == name {
+			return lang
+		}
+	}
+
+	return Language{}
+}
+
+// Name returns the language name in english for given code.
+func Name(code string) string {
+	return FromCode(code).Name
+}
+
+// NativeName returns the language native name for given code.
+func NativeName(code string) string {
+	return FromCode(code).NativeName
+}
+
+// CodeForName returns the language code for given name.
+func CodeForName(name string) string {
+	for code, lang := range Languages {
+		if lang.Name == name {
+			return code
+		}
+	}
+
+	return ""
+}
+
+// CodeForNativeName returns the language code for given native name.
+func CodeForNativeName(name string) string {
+	for code, lang := range Languages {
+		if lang.NativeName == name {
+			return code
+		}
+	}
+
+	return ""
+}
+
+// ValidCode returns true if the given code is a valid ISO 639-1 language code.
+// The code must be passed in lowercase.
+func ValidCode(code string) bool {
+	_, ok := Languages[code]
+	return ok
+}
+
+// ValidName returns true if the given name is a valid ISO 639-1 language name.
+// The name must use uppercase characters (e.g. English, Hiri Motu, ...).
+func ValidName(name string) bool {
+	for _, lang := range Languages {
+		if lang.Name == name {
+			return true
+		}
+	}
+
+	return false
+}
+
+// ValidNativeName returns true if the given code is a valid ISO 639-1 language native name.
+// The name must be passed in its native form (e.g. English, 中文, ...).
+func ValidNativeName(name string) bool {
+	for _, lang := range Languages {
+		if lang.NativeName == name {
+			return true
+		}
+	}
+
+	return false
+}