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Diffstat (limited to 'src/QueueSave.cxx')
-rw-r--r-- | src/QueueSave.cxx | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/QueueSave.cxx b/src/QueueSave.cxx new file mode 100644 index 000000000..6ba48f336 --- /dev/null +++ b/src/QueueSave.cxx @@ -0,0 +1,130 @@ +/* + * Copyright (C) 2003-2013 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "config.h" +#include "QueueSave.hxx" +#include "song.h" +#include "SongSave.hxx" +#include "DatabasePlugin.hxx" +#include "DatabaseGlue.hxx" +#include "TextFile.hxx" + +extern "C" { +#include "queue.h" +#include "uri.h" +} + +#include <stdlib.h> + +#define PRIO_LABEL "Prio: " + +static void +queue_save_database_song(FILE *fp, int idx, const struct song *song) +{ + char *uri = song_get_uri(song); + + fprintf(fp, "%i:%s\n", idx, uri); + g_free(uri); +} + +static void +queue_save_full_song(FILE *fp, const struct song *song) +{ + song_save(fp, song); +} + +static void +queue_save_song(FILE *fp, int idx, const struct song *song) +{ + if (song_in_database(song)) + queue_save_database_song(fp, idx, song); + else + queue_save_full_song(fp, song); +} + +void +queue_save(FILE *fp, const struct queue *queue) +{ + for (unsigned i = 0; i < queue_length(queue); i++) { + uint8_t prio = queue_get_priority_at_position(queue, i); + if (prio != 0) + fprintf(fp, PRIO_LABEL "%u\n", prio); + + queue_save_song(fp, i, queue_get(queue, i)); + } +} + +void +queue_load_song(TextFile &file, const char *line, queue *queue) +{ + if (queue_is_full(queue)) + return; + + uint8_t priority = 0; + if (g_str_has_prefix(line, PRIO_LABEL)) { + priority = strtoul(line + sizeof(PRIO_LABEL) - 1, NULL, 10); + + line = file.ReadLine(); + if (line == NULL) + return; + } + + const Database *db = nullptr; + struct song *song; + + if (g_str_has_prefix(line, SONG_BEGIN)) { + const char *uri = line + sizeof(SONG_BEGIN) - 1; + if (!uri_has_scheme(uri) && !g_path_is_absolute(uri)) + return; + + GError *error = NULL; + song = song_load(file, NULL, uri, &error); + if (song == NULL) { + g_warning("%s", error->message); + g_error_free(error); + return; + } + } else { + char *endptr; + long ret = strtol(line, &endptr, 10); + if (ret < 0 || *endptr != ':' || endptr[1] == 0) { + g_warning("Malformed playlist line in state file"); + return; + } + + const char *uri = endptr + 1; + + if (uri_has_scheme(uri)) { + song = song_remote_new(uri); + } else { + db = GetDatabase(nullptr); + if (db == nullptr) + return; + + song = db->GetSong(uri, nullptr); + if (song == nullptr) + return; + } + } + + queue_append(queue, song, priority); + + if (db != nullptr) + db->ReturnSong(song); +} |