From 349d24986755a9802606c42956129fab3f13fd95 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Fri, 23 Jan 2009 16:35:04 +0100 Subject: playlist: moved saving/loading code to queue_save.c Create a new library which saves/loads the queue to/from the state file. --- src/Makefile.am | 2 ++ src/playlist.c | 30 +++------------------- src/queue_save.c | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ src/queue_save.h | 41 +++++++++++++++++++++++++++++ 4 files changed, 125 insertions(+), 26 deletions(-) create mode 100644 src/queue_save.c create mode 100644 src/queue_save.h (limited to 'src') diff --git a/src/Makefile.am b/src/Makefile.am index f5738bdf4..e3fac9990 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -95,6 +95,7 @@ mpd_headers = \ playlist_save.h \ queue.h \ queue_print.h \ + queue_save.h \ replay_gain.h \ sig_handlers.h \ song.h \ @@ -181,6 +182,7 @@ mpd_SOURCES = \ playlist_save.c \ queue.c \ queue_print.c \ + queue_save.c \ replay_gain.c \ sig_handlers.c \ song.c \ diff --git a/src/playlist.c b/src/playlist.c index a1743d1ed..8be8b0553 100644 --- a/src/playlist.c +++ b/src/playlist.c @@ -19,6 +19,7 @@ #include "playlist.h" #include "playlist_save.h" #include "queue_print.h" +#include "queue_save.h" #include "player_control.h" #include "command.h" #include "ls.h" @@ -158,16 +159,6 @@ void showPlaylist(struct client *client) 0, queue_length(&playlist.queue)); } -static void playlist_save(FILE *fp) -{ - for (unsigned i = 0; i < queue_length(&playlist.queue); i++) { - const struct song *song = queue_get(&playlist.queue, i); - char *uri = song_get_uri(song); - fprintf(fp, "%i:%s\n", i, uri); - g_free(uri); - } -} - void savePlaylistState(FILE *fp) { fprintf(fp, "%s", PLAYLIST_STATE_FILE_STATE); @@ -195,14 +186,13 @@ void savePlaylistState(FILE *fp) fprintf(fp, "%s%i\n", PLAYLIST_STATE_FILE_CROSSFADE, (int)(getPlayerCrossFade())); fprintf(fp, "%s\n", PLAYLIST_STATE_FILE_PLAYLIST_BEGIN); - playlist_save(fp); + queue_save(fp, &playlist.queue); fprintf(fp, "%s\n", PLAYLIST_STATE_FILE_PLAYLIST_END); } static void loadPlaylistFromStateFile(FILE *fp, char *buffer, int state, int current, int seek_time) { - char *temp; int song; if (!fgets(buffer, PLAYLIST_BUFFER_SIZE, fp)) { @@ -213,20 +203,8 @@ static void loadPlaylistFromStateFile(FILE *fp, char *buffer, while (!g_str_has_prefix(buffer, PLAYLIST_STATE_FILE_PLAYLIST_END)) { g_strchomp(buffer); - temp = strtok(buffer, ":"); - if (temp == NULL) { - g_warning("Malformed playlist line in state file"); - break; - } - - song = atoi(temp); - if (!(temp = strtok(NULL, ""))) { - g_warning("Malformed playlist line in state file"); - break; - } - - if (addToPlaylist(temp, NULL) == PLAYLIST_RESULT_SUCCESS - && current == song) { + song = queue_load_song(&playlist.queue, buffer); + if (song >= 0 && song == current) { if (state != PLAYER_STATE_STOP) { playPlaylist(queue_length(&playlist.queue) - 1); } diff --git a/src/queue_save.c b/src/queue_save.c new file mode 100644 index 000000000..73b59277d --- /dev/null +++ b/src/queue_save.c @@ -0,0 +1,78 @@ +/* + * Copyright (C) 2003-2009 The Music Player Daemon Project + * http://www.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "queue_save.h" +#include "queue.h" +#include "song.h" +#include "ls.h" +#include "database.h" + +#include + +void +queue_save(FILE *fp, const struct queue *queue) +{ + for (unsigned i = 0; i < queue_length(queue); i++) { + const struct song *song = queue_get(queue, i); + char *uri = song_get_uri(song); + + fprintf(fp, "%i:%s\n", i, uri); + g_free(uri); + } +} + +static struct song * +get_song(const char *uri) +{ + struct song *song; + + song = db_get_song(uri); + if (song != NULL) + return song; + + if (uri_has_scheme(uri)) + return song_remote_new(uri); + + return NULL; +} + +int +queue_load_song(struct queue *queue, const char *line) +{ + long ret; + char *endptr; + struct song *song; + + if (queue_is_full(queue)) + return -1; + + ret = strtol(line, &endptr, 10); + if (ret < 0 || *endptr != ':' || endptr[1] == 0) { + g_warning("Malformed playlist line in state file"); + return -1; + } + + line = endptr + 1; + + song = get_song(line); + if (song == NULL) + return -1; + + queue_append(queue, song); + return ret; +} diff --git a/src/queue_save.h b/src/queue_save.h new file mode 100644 index 000000000..1b8fe0e3a --- /dev/null +++ b/src/queue_save.h @@ -0,0 +1,41 @@ +/* + * Copyright (C) 2003-2009 The Music Player Daemon Project + * http://www.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* + * This library saves the queue into the state file, and also loads it + * back into memory. + */ + +#ifndef QUEUE_SAVE_H +#define QUEUE_SAVE_H + +#include + +struct queue; + +void +queue_save(FILE *fp, const struct queue *queue); + +/** + * Loads one song from the state file line and returns its number. + * Returns -1 on failure. + */ +int +queue_load_song(struct queue *queue, const char *line); + +#endif -- cgit v1.2.3