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/* ncmpc (Ncurses MPD Client)
* (c) 2004-2010 The Music Player Daemon Project
* Project homepage: http://musicpd.org
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "playlist.h"
#include <string.h>
void
playlist_init(struct mpdclient_playlist *playlist)
{
playlist->version = 0;
playlist->list = g_ptr_array_sized_new(1024);
}
void
playlist_clear(struct mpdclient_playlist *playlist)
{
guint i;
playlist->version = 0;
for (i = 0; i < playlist->list->len; ++i) {
struct mpd_song *song = playlist_get(playlist, i);
mpd_song_free(song);
}
g_ptr_array_set_size(playlist->list, 0);
}
gint
mpdclient_playlist_free(struct mpdclient_playlist *playlist)
{
if (playlist->list != NULL) {
playlist_clear(playlist);
g_ptr_array_free(playlist->list, TRUE);
}
memset(playlist, 0, sizeof(*playlist));
return 0;
}
const struct mpd_song *
playlist_get_song(const struct mpdclient_playlist *playlist, gint idx)
{
if (idx < 0 || (guint)idx >= playlist_length(playlist))
return NULL;
return playlist_get(playlist, idx);
}
void
playlist_move(struct mpdclient_playlist *playlist,
unsigned dest, unsigned src)
{
struct mpd_song *song;
assert(playlist != NULL);
assert(src < playlist_length(playlist));
assert(dest < playlist_length(playlist));
assert(src != dest);
song = playlist_get(playlist, src);
if (src < dest) {
memmove(&playlist->list->pdata[src],
&playlist->list->pdata[src + 1],
sizeof(playlist->list->pdata[0]) * (dest - src));
playlist->list->pdata[dest] = song;
} else {
memmove(&playlist->list->pdata[dest + 1],
&playlist->list->pdata[dest],
sizeof(playlist->list->pdata[0]) * (src - dest));
playlist->list->pdata[dest] = song;
}
}
const struct mpd_song *
playlist_lookup_song(const struct mpdclient_playlist *playlist, unsigned id)
{
for (guint i = 0; i < playlist_length(playlist); ++i) {
struct mpd_song *song = playlist_get(playlist, i);
if (mpd_song_get_id(song) == id)
return song;
}
return NULL;
}
gint
playlist_get_index(const struct mpdclient_playlist *playlist,
const struct mpd_song *song)
{
for (guint i = 0; i < playlist_length(playlist); ++i) {
if (playlist_get(playlist, i) == song)
return (gint)i;
}
return -1;
}
gint
playlist_get_index_from_id(const struct mpdclient_playlist *playlist,
unsigned id)
{
for (guint i = 0; i < playlist_length(playlist); ++i) {
const struct mpd_song *song = playlist_get(playlist, i);
if (mpd_song_get_id(song) == id)
return (gint)i;
}
return -1;
}
gint
playlist_get_index_from_file(const struct mpdclient_playlist *playlist,
const gchar *filename)
{
for (guint i = 0; i < playlist_length(playlist); ++i) {
const struct mpd_song *song = playlist_get(playlist, i);
if (strcmp(mpd_song_get_uri(song), filename) == 0)
return (gint)i;
}
return -1;
}
gint
playlist_get_id_from_uri(const struct mpdclient_playlist *playlist,
const gchar *uri)
{
for (guint i = 0; i < playlist_length(playlist); ++i) {
const struct mpd_song *song = playlist_get(playlist, i);
if (strcmp(mpd_song_get_uri(song), uri) == 0)
return mpd_song_get_id(song);
}
return -1;
}
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