command: use queue_print_*()

Replaced several wrapper functions from playlist.c, and make command.c
use the queue print functions directly.

src/command.c

@@ -20,6 +20,7 @@
 #include "player_control.h"
 #include "playlist.h"
 #include "playlist_print.h"
+#include "queue_print.h"
 #include "ls.h"
 #include "directory.h"
 #include "directory_print.h"
@@ -419,13 +420,12 @@ handle_currentsong(struct client *client,
 		   G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[])
 {
 	int song = getPlaylistCurrentSong();
-	enum playlist_result result;
+	const struct queue *queue = playlist_get_queue();
 
-	if (song < 0)
-		return COMMAND_RETURN_OK;
+	if (song >= 0)
+		queue_print_info(client, queue, song, song + 1);
 
-	result = playlistInfo(client, song, song + 1);
-	return print_playlist_result(client, result);
+	return PLAYLIST_RESULT_SUCCESS;
 }
 
 static enum command_return
@@ -639,7 +639,9 @@ static enum command_return
 handle_playlist(struct client *client,
 	        G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[])
 {
-	showPlaylist(client);
+	const struct queue *queue = playlist_get_queue();
+
+	queue_print_uris(client, queue, 0, queue_length(queue));
 	return COMMAND_RETURN_OK;
 }
 
@@ -757,47 +759,73 @@ static enum command_return
 handle_plchanges(struct client *client, G_GNUC_UNUSED int argc, char *argv[])
 {
 	uint32_t version;
+	const struct queue *queue = playlist_get_queue();
 
 	if (!check_uint32(client, &version, argv[1], need_positive))
 		return COMMAND_RETURN_ERROR;
-	return playlistChanges(client, version);
+
+	queue_print_changes_info(client, queue, version);
+	return COMMAND_RETURN_OK;
 }
 
 static enum command_return
 handle_plchangesposid(struct client *client, G_GNUC_UNUSED int argc, char *argv[])
 {
 	uint32_t version;
+	const struct queue *queue = playlist_get_queue();
 
 	if (!check_uint32(client, &version, argv[1], need_positive))
 		return COMMAND_RETURN_ERROR;
-	return playlistChangesPosId(client, version);
+
+	queue_print_changes_position(client, queue, version);
+	return COMMAND_RETURN_OK;
 }
 
 static enum command_return
 handle_playlistinfo(struct client *client, int argc, char *argv[])
 {
 	unsigned start = 0, end = UINT_MAX;
-	enum playlist_result result;
+	const struct queue *queue = playlist_get_queue();
 
 	if (argc == 2 && !check_range(client, &start, &end,
 				      argv[1], need_range))
 		return COMMAND_RETURN_ERROR;
 
-	result = playlistInfo(client, start, end);
-	return print_playlist_result(client, result);
+	if (end > queue_length(queue))
+		end = queue_length(queue);
+
+	if (start > end)
+		return print_playlist_result(client,
+					     PLAYLIST_RESULT_BAD_RANGE);
+
+	queue_print_info(client, queue, start, end);
+	return COMMAND_RETURN_OK;
 }
 
 static enum command_return
 handle_playlistid(struct client *client, int argc, char *argv[])
 {
-	int id = -1;
-	enum playlist_result result;
+	int id = -1, start;
+	unsigned end;
+	const struct queue *queue = playlist_get_queue();
 
 	if (argc == 2 && !check_int(client, &id, argv[1], need_positive))
 		return COMMAND_RETURN_ERROR;
 
-	result = playlistId(client, id);
-	return print_playlist_result(client, result);
+	if (id >= 0) {
+		start = queue_id_to_position(queue, id);
+		if (start < 0)
+			return print_playlist_result(client,
+						     PLAYLIST_RESULT_NO_SUCH_SONG);
+
+		end = start + 1;
+	} else {
+		start = 0;
+		end = queue_length(queue);
+	}
+
+	queue_print_info(client, queue, start, end);
+	return COMMAND_RETURN_OK;
 }
 
 static enum command_return

src/playlist.c

@@ -157,12 +157,6 @@ void clearPlaylist(void)
 	incrPlaylistVersion();
 }
 
-void showPlaylist(struct client *client)
-{
-	queue_print_uris(client, &playlist.queue,
-			 0, queue_length(&playlist.queue));
-}
-
 void savePlaylistState(FILE *fp)
 {
 	fprintf(fp, "%s", PLAYLIST_STATE_FILE_STATE);
@@ -288,48 +282,6 @@ void readPlaylistState(FILE *fp)
 	setPlaylistRandomStatus(random_mode);
 }
 
-int playlistChanges(struct client *client, uint32_t version)
-{
-	queue_print_changes_info(client, &playlist.queue, version);
-	return 0;
-}
-
-int playlistChangesPosId(struct client *client, uint32_t version)
-{
-	queue_print_changes_position(client, &playlist.queue, version);
-	return 0;
-}
-
-enum playlist_result
-playlistInfo(struct client *client, unsigned start, unsigned end)
-{
-	if (end > queue_length(&playlist.queue))
-		end = queue_length(&playlist.queue);
-
-	if (start > end)
-		return PLAYLIST_RESULT_BAD_RANGE;
-
-	queue_print_info(client, &playlist.queue, start, end);
-	return PLAYLIST_RESULT_SUCCESS;
-}
-
-enum playlist_result playlistId(struct client *client, int id)
-{
-	int begin = 0;
-	unsigned end = queue_length(&playlist.queue);
-
-	if (id >= 0) {
-		begin = queue_id_to_position(&playlist.queue, id);
-		if (begin < 0)
-			return PLAYLIST_RESULT_NO_SUCH_SONG;
-
-		end = begin + 1;
-	}
-
-	queue_print_info(client, &playlist.queue, begin, end);
-	return PLAYLIST_RESULT_SUCCESS;
-}
-
 /**
  * Queue a song, addressed by its order number.
  */

src/playlist.h

@@ -120,25 +120,10 @@ enum playlist_result addToPlaylist(const char *file, unsigned *added_id);
 enum playlist_result
 addSongToPlaylist(struct song *song, unsigned *added_id);
 
-void showPlaylist(struct client *client);
-
 enum playlist_result deleteFromPlaylist(unsigned song);
 
 enum playlist_result deleteFromPlaylistById(unsigned song);
 
-/**
- * Send detailed information about a range of songs in the playlist to
- * a client.
- *
- * @param client the client which has requested information
- * @param start the index of the first song (including)
- * @param end the index of the last song (excluding)
- */
-enum playlist_result
-playlistInfo(struct client *client, unsigned start, unsigned end);
-
-enum playlist_result playlistId(struct client *client, int song);
-
 void stopPlaylist(void);
 
 enum playlist_result playPlaylist(int song);
@@ -190,10 +175,6 @@ enum playlist_result seekSongInPlaylistById(unsigned id, float seek_time);
 
 void playlistVersionChange(void);
 
-int playlistChanges(struct client *client, uint32_t version);
-
-int playlistChangesPosId(struct client *client, uint32_t version);
-
 void
 searchForSongsInPlaylist(struct client *client,
 			 unsigned numItems, const LocateTagItem *items);

src/queue_print.h

@@ -33,6 +33,14 @@ void
 queue_print_song_info(struct client *client, const struct queue *queue,
 		      unsigned position);
 
+/**
+ * Send detailed information about a range of songs in the queue to a
+ * client.
+ *
+ * @param client the client which has requested information
+ * @param start the index of the first song (including)
+ * @param end the index of the last song (excluding)
+ */
 void
 queue_print_info(struct client *client, const struct queue *queue,
 		 unsigned start, unsigned end);