/* * 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., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "song_save.h" #include "song.h" #include "tag_save.h" #include "directory.h" #include "tag.h" #include "text_file.h" #include #include #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"); } static int song_save(struct song *song, void *data) { FILE *fp = data; fprintf(fp, SONG_BEGIN "%s\n", song->uri); if (song->tag != NULL) tag_save(fp, song->tag); fprintf(fp, SONG_MTIME "%li\n", (long)song->mtime); fprintf(fp, SONG_END "\n"); return 0; } void songvec_save(FILE *fp, struct songvec *sv) { songvec_for_each(sv, song_save, fp); } static char * parse_tag_value(char *buffer, enum tag_type *type_r) { int i; for (i = 0; i < TAG_NUM_OF_ITEM_TYPES; i++) { size_t len = strlen(tag_item_names[i]); if (0 == strncmp(tag_item_names[i], buffer, len) && buffer[len] == ':') { *type_r = i; return g_strchug(buffer + len + 1); } } return NULL; } struct song * song_load(FILE *fp, struct directory *parent, const char *uri, GString *buffer, GError **error_r) { struct song *song = song_file_new(uri, parent); char *line; enum tag_type type; const char *value; while ((line = read_text_line(fp, buffer)) != NULL && strcmp(line, SONG_END) != 0) { if ((value = parse_tag_value(line, &type)) != NULL) { if (!song->tag) { song->tag = tag_new(); tag_begin_add(song->tag); } tag_add_item(song->tag, type, value); } else if (0 == strncmp(SONG_TIME, line, strlen(SONG_TIME))) { if (!song->tag) { song->tag = tag_new(); tag_begin_add(song->tag); } song->tag->time = atoi(&(line[strlen(SONG_TIME)])); } else if (0 == strncmp(SONG_MTIME, line, strlen(SONG_MTIME))) { song->mtime = atoi(&(line[strlen(SONG_MTIME)])); } 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 false; } } if (song->tag != NULL) tag_end_add(song->tag); return song; }