libhb: add language lookup based on any of iso639_1/2/2b, eng_name, or native

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@7038 b64f7644-9d1e-0410-96f1-a4d463321fa5

2 files changed, 23 insertions, 1 deletions

diff --git a/libhb/lang.c b/libhb/lang.c
index a336268a7..f40520a23 100644
--- a/libhb/lang.c
+++ b/libhb/lang.c
@@ -202,6 +202,25 @@ static const iso639_lang_t languages[] =
 
 static const int lang_count = sizeof(languages) / sizeof(languages[0]);
 
+iso639_lang_t * lang_lookup( const char * str )
+{
+    iso639_lang_t * lang;
+
+    for (lang = (iso639_lang_t*) languages; lang->eng_name; lang++)
+    {
+        if ((lang->iso639_1    != NULL && !strcasecmp(lang->iso639_1,  str)) ||
+            (lang->iso639_2    != NULL && !strcasecmp(lang->iso639_2,  str)) ||
+            (lang->iso639_2b   != NULL && !strcasecmp(lang->iso639_2b, str)) ||
+            (lang->eng_name    != NULL && !strcasecmp(lang->eng_name,  str)) ||
+            (lang->native_name != NULL && !strcasecmp(lang->native_name, str)))
+        {
+            return lang;
+        }
+    }
+
+    return NULL;
+}
+
 iso639_lang_t * lang_for_code( int code )
 {
     char code_string[2];
diff --git a/libhb/lang.h b/libhb/lang.h
index 0b353573f..21aab70af 100644
--- a/libhb/lang.h
+++ b/libhb/lang.h
@@ -14,7 +14,7 @@ typedef struct iso639_lang_t
 {
     char * eng_name;        /* Description in English */
     char * native_name;     /* Description in native language */
-    char * iso639_1;       /* ISO-639-1 (2 characters) code */
+    char * iso639_1;        /* ISO-639-1 (2 characters) code */
     char * iso639_2;        /* ISO-639-2/t (3 character) code */
     char * iso639_2b;       /* ISO-639-2/b code (if different from above) */
 
@@ -23,6 +23,9 @@ typedef struct iso639_lang_t
 #ifdef __cplusplus
 extern "C" {
 #endif
+/* find language, match any of names in lang struct */
+iso639_lang_t * lang_lookup( const char * str );
+
 /* find language associated with ISO-639-1 language code */
 iso639_lang_t * lang_for_code( int code );