/* * 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_sticker.h" #include "song.h" #include "directory.h" #include "sticker.h" #include <glib.h> #include <assert.h> #include <string.h> char * sticker_song_get_value(const struct song *song, const char *name) { char *uri, *value; assert(song != NULL); assert(song_in_database(song)); uri = song_get_uri(song); value = sticker_load_value("song", uri, name); g_free(uri); return value; } bool sticker_song_set_value(const struct song *song, const char *name, const char *value) { char *uri; bool ret; assert(song != NULL); assert(song_in_database(song)); uri = song_get_uri(song); ret = sticker_store_value("song", uri, name, value); g_free(uri); return ret; } bool sticker_song_delete(const struct song *song) { char *uri; bool ret; assert(song != NULL); assert(song_in_database(song)); uri = song_get_uri(song); ret = sticker_delete("song", uri); g_free(uri); return ret; } struct sticker * sticker_song_get(const struct song *song) { char *uri; struct sticker *sticker; assert(song != NULL); assert(song_in_database(song)); uri = song_get_uri(song); sticker = sticker_load("song", uri); g_free(uri); return sticker; } struct sticker_song_find_data { struct directory *directory; const char *base_uri; size_t base_uri_length; void (*func)(struct song *song, const char *value, gpointer user_data); gpointer user_data; }; static void sticker_song_find_cb(const char *uri, const char *value, gpointer user_data) { struct sticker_song_find_data *data = user_data; struct song *song; if (memcmp(uri, data->base_uri, data->base_uri_length) != 0) /* should not happen, ignore silently */ return; song = directory_lookup_song(data->directory, uri + data->base_uri_length); if (song != NULL) data->func(song, value, data->user_data); } bool sticker_song_find(struct directory *directory, const char *name, void (*func)(struct song *song, const char *value, gpointer user_data), gpointer user_data) { struct sticker_song_find_data data = { .directory = directory, .func = func, .user_data = user_data, }; char *allocated; bool success; data.base_uri = directory_get_path(directory); if (*data.base_uri != 0) /* append slash to base_uri */ data.base_uri = allocated = g_strconcat(data.base_uri, "/", NULL); else /* searching in root directory - no trailing slash */ allocated = NULL; data.base_uri_length = strlen(data.base_uri); success = sticker_find("song", data.base_uri, name, sticker_song_find_cb, &data); g_free(allocated); return success; }