Add an API to obtain the shortest code for lang

tagoh · Jan 5, 2012 · dd10ae0 · dd10ae0
1 parent 0b039dd
commit dd10ae0
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Showing 2 changed files with 24 additions and 5 deletions.
diff --git a/liblangtag/lt-lang.c b/liblangtag/lt-lang.c
@@ -197,3 +197,21 @@ lt_lang_get_code(const lt_lang_t *lang,
 
 	return retval;
 }
+
+const gchar *
+lt_lang_get_shortest_code(lt_lang_t *lang)
+{
+	const gchar *retval = NULL;
+
+	g_return_val_if_fail (lang != NULL, NULL);
+
+	retval = lt_lang_get_code(lang, LT_LANG_CODE_1);
+	if (!retval) {
+		retval = lt_lang_get_code(lang, LT_LANG_CODE_2T);
+		if (!retval) {
+			retval = lt_lang_get_code(lang, LT_LANG_CODE_2B);
+		}
+	}
+
+	return retval;
+}
diff --git a/liblangtag/lt-lang.h b/liblangtag/lt-lang.h
@@ -40,11 +40,12 @@ typedef struct _lt_lang_t	lt_lang_t;
 typedef enum _lt_lang_code_t	lt_lang_code_t;
 
 
-lt_lang_t   *lt_lang_ref     (lt_lang_t       *lang);
-void         lt_lang_unref   (lt_lang_t       *lang);
-const gchar *lt_lang_get_name(const lt_lang_t *lang);
-const gchar *lt_lang_get_code(const lt_lang_t *lang,
-                              lt_lang_code_t   code_type);
+lt_lang_t   *lt_lang_ref              (lt_lang_t       *lang);
+void         lt_lang_unref            (lt_lang_t       *lang);
+const gchar *lt_lang_get_name         (const lt_lang_t *lang);
+const gchar *lt_lang_get_code         (const lt_lang_t *lang,
+                                       lt_lang_code_t   code_type);
+const gchar *lt_lang_get_shortest_code(lt_lang_t       *lang);
 
 G_END_DECLS