diff options
Diffstat (limited to 'src/SongSave.cxx')
-rw-r--r-- | src/SongSave.cxx | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/SongSave.cxx b/src/SongSave.cxx new file mode 100644 index 000000000..a32b7fecc --- /dev/null +++ b/src/SongSave.cxx @@ -0,0 +1,136 @@ +/* + * 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 "SongSave.hxx" +#include "song.h" +#include "TagSave.hxx" +#include "Directory.hxx" +#include "TextFile.hxx" + +extern "C" { +#include "tag.h" +#include "string_util.h" +} + +#include <glib.h> + +#include <stdlib.h> + +#undef G_LOG_DOMAIN +#define G_LOG_DOMAIN "song" + +#define SONG_MTIME "mtime" +#define SONG_END "song_end" + +static GQuark +song_save_quark(void) +{ + return g_quark_from_static_string("song_save"); +} + +void +song_save(FILE *fp, const struct song *song) +{ + fprintf(fp, SONG_BEGIN "%s\n", song->uri); + + if (song->end_ms > 0) + fprintf(fp, "Range: %u-%u\n", song->start_ms, song->end_ms); + else if (song->start_ms > 0) + fprintf(fp, "Range: %u-\n", song->start_ms); + + if (song->tag != NULL) + tag_save(fp, song->tag); + + fprintf(fp, SONG_MTIME ": %li\n", (long)song->mtime); + fprintf(fp, SONG_END "\n"); +} + +struct song * +song_load(TextFile &file, Directory *parent, const char *uri, + GError **error_r) +{ + struct song *song = parent != NULL + ? song_file_new(uri, parent) + : song_remote_new(uri); + char *line, *colon; + enum tag_type type; + const char *value; + + while ((line = file.ReadLine()) != NULL && + strcmp(line, SONG_END) != 0) { + colon = strchr(line, ':'); + if (colon == NULL || colon == line) { + if (song->tag != NULL) + tag_end_add(song->tag); + song_free(song); + + g_set_error(error_r, song_save_quark(), 0, + "unknown line in db: %s", line); + return NULL; + } + + *colon++ = 0; + value = strchug_fast_c(colon); + + if ((type = tag_name_parse(line)) != TAG_NUM_OF_ITEM_TYPES) { + if (!song->tag) { + song->tag = tag_new(); + tag_begin_add(song->tag); + } + + tag_add_item(song->tag, type, value); + } else if (strcmp(line, "Time") == 0) { + if (!song->tag) { + song->tag = tag_new(); + tag_begin_add(song->tag); + } + + song->tag->time = atoi(value); + } else if (strcmp(line, "Playlist") == 0) { + if (!song->tag) { + song->tag = tag_new(); + tag_begin_add(song->tag); + } + + song->tag->has_playlist = strcmp(value, "yes") == 0; + } else if (strcmp(line, SONG_MTIME) == 0) { + song->mtime = atoi(value); + } else if (strcmp(line, "Range") == 0) { + char *endptr; + + song->start_ms = strtoul(value, &endptr, 10); + if (*endptr == '-') + song->end_ms = strtoul(endptr + 1, NULL, 10); + } else { + if (song->tag != NULL) + tag_end_add(song->tag); + song_free(song); + + g_set_error(error_r, song_save_quark(), 0, + "unknown line in db: %s", line); + return NULL; + } + } + + if (song->tag != NULL) + tag_end_add(song->tag); + + return song; +} |