add to libmpdclient support for getting list of any tag type

src/libmpdclient.c

@@ -1340,12 +1340,44 @@ void mpd_sendListCommand(mpd_Connection * connection, int table,
 	char st[10];
 	int len;
 	char *string;
-	if(table == MPD_TABLE_ARTIST) strcpy(st,"artist");
-	else if(table == MPD_TABLE_ALBUM) strcpy(st,"album");
-	else {
-		connection->error = 1;
-		strcpy(connection->errorStr,"unknown table for list");
-		return;
+	switch(table) {
+		case MPD_TABLE_ARTIST:
+			strcpy(st,"artist");
+			break;
+		case MPD_TABLE_ALBUM:
+			strcpy(st,"album");
+			break;
+		case MPD_TABLE_TITLE:
+			strcpy(st,"title");
+			break;
+		case MPD_TABLE_TRACK:
+			strcpy(st,"track");
+			break;
+		case MPD_TABLE_GENRE:
+			strcpy(st,"genre");
+			break;
+		case MPD_TABLE_DATE:
+			strcpy(st,"date");
+			break;
+		case MPD_TABLE_COMPOSER:
+			strcpy(st,"composer");
+			break;
+		case MPD_TABLE_PERFORMER:
+			strcpy(st,"performer");
+			break;
+		case MPD_TABLE_COMMENT:
+			strcpy(st,"comment");
+			break;
+		case MPD_TABLE_DISC:
+			strcpy(st,"disc");
+			break;
+		case MPD_TABLE_FILENAME:
+			strcpy(st,"filename");
+			break;
+		default:
+			connection->error = 1;
+			strcpy(connection->errorStr,"unknown table for list");
+			return;
 	}
 	if(arg1) {
 		char * sanitArg1 = mpd_sanitizeArg(arg1);

src/libmpdclient.h

@@ -431,6 +431,13 @@ void mpd_sendLsInfoCommand(mpd_Connection * connection, const char * dir);
 #define MPD_TABLE_ARTIST	MPD_TAG_ITEM_ARTIST
 #define MPD_TABLE_ALBUM		MPD_TAG_ITEM_ALBUM
 #define MPD_TABLE_TITLE		MPD_TAG_ITEM_TITLE
+#define MPD_TABLE_TRACK		MPD_TAG_ITEM_TRACK
+#define MPD_TABLE_GENRE		MPD_TAG_ITEM_GENRE
+#define MPD_TABLE_DATE		MPD_TAG_ITEM_DATE
+#define MPD_TABLE_COMPOSER	MPD_TAG_ITEM_COMPOSER
+#define MPD_TABLE_PERFORMER	MPD_TAG_ITEM_PERFORMER
+#define MPD_TABLE_COMMENT	MPD_TAG_ITEM_COMMENT
+#define MPD_TABLE_DISC		MPD_TAG_ITEM_DISC
 #define MPD_TABLE_FILENAME	MPD_TAG_ITEM_FILENAME
 
 void mpd_sendSearchCommand(mpd_Connection * connection, int table,

src/mpdpp.cpp

@@ -628,6 +628,21 @@ void MPDConnection::GetPlaylists(TagList &v) const
 	}
 }
 
+void MPDConnection::GetList(TagList &v, mpd_TagItems type) const
+{
+	if (isConnected)
+	{
+		mpd_sendListCommand(itsConnection, type, NULL);
+		char *item;
+		while ((item = mpd_getNextTag(itsConnection, type)) != NULL)
+		{
+			v.push_back(item);
+			delete [] item;
+		}
+		mpd_finishCommand(itsConnection);
+	}
+}
+
 void MPDConnection::GetArtists(TagList &v) const
 {
 	if (isConnected)

src/mpdpp.h

@@ -160,6 +160,7 @@ class MPDConnection
 		void CommitSearch(TagList &) const;
 		
 		void GetPlaylists(TagList &) const;
+		void GetList(TagList &, mpd_TagItems) const;
 		void GetArtists(TagList &) const;
 		void GetAlbums(string, TagList &) const;
 		void GetDirectory(const string &, ItemList &) const;

src/ncmpcpp.cpp

@@ -436,16 +436,7 @@ int main(int argc, char *argv[])
 				TagList list;
 				mLibAlbums->Clear(0);
 				mLibSongs->Clear(0);
-				if (Config.media_lib_primary_tag == MPD_TAG_ITEM_ARTIST)
-					Mpd->GetArtists(list);
-				else
-				{
-					Mpd->StartSearch(0);
-					Mpd->AddSearch(Config.media_lib_primary_tag, "");
-					Mpd->StartFieldSearch(Config.media_lib_primary_tag);
-					Mpd->CommitSearch(list);
-					sort(list.begin(), list.end());
-				}
+				Mpd->GetList(list, Config.media_lib_primary_tag);
 				sort(list.begin(), list.end(), CaseInsensitiveSorting());
 				for (TagList::const_iterator it = list.begin(); it != list.end(); it++)
 				{