diff options
Diffstat (limited to 'src/sticker/SongSticker.cxx')
-rw-r--r-- | src/sticker/SongSticker.cxx | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/sticker/SongSticker.cxx b/src/sticker/SongSticker.cxx new file mode 100644 index 000000000..7246ec69f --- /dev/null +++ b/src/sticker/SongSticker.cxx @@ -0,0 +1,124 @@ +/* + * Copyright (C) 2003-2014 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 "SongSticker.hxx" +#include "StickerDatabase.hxx" +#include "db/LightSong.hxx" +#include "db/DatabasePlugin.hxx" +#include "util/Error.hxx" + +#include <glib.h> + +#include <assert.h> +#include <string.h> + +std::string +sticker_song_get_value(const LightSong &song, const char *name) +{ + const auto uri = song.GetURI(); + return sticker_load_value("song", uri.c_str(), name); +} + +bool +sticker_song_set_value(const LightSong &song, + const char *name, const char *value) +{ + const auto uri = song.GetURI(); + return sticker_store_value("song", uri.c_str(), name, value); +} + +bool +sticker_song_delete(const LightSong &song) +{ + const auto uri = song.GetURI(); + return sticker_delete("song", uri.c_str()); +} + +bool +sticker_song_delete_value(const LightSong &song, const char *name) +{ + const auto uri = song.GetURI(); + return sticker_delete_value("song", uri.c_str(), name); +} + +struct sticker * +sticker_song_get(const LightSong &song) +{ + const auto uri = song.GetURI(); + return sticker_load("song", uri.c_str()); +} + +struct sticker_song_find_data { + const Database *db; + const char *base_uri; + size_t base_uri_length; + + void (*func)(const LightSong &song, const char *value, + void *user_data); + void *user_data; +}; + +static void +sticker_song_find_cb(const char *uri, const char *value, void *user_data) +{ + struct sticker_song_find_data *data = + (struct sticker_song_find_data *)user_data; + + if (memcmp(uri, data->base_uri, data->base_uri_length) != 0) + /* should not happen, ignore silently */ + return; + + const Database *db = data->db; + const LightSong *song = db->GetSong(uri, IgnoreError()); + if (song != nullptr) { + data->func(*song, value, data->user_data); + db->ReturnSong(song); + } +} + +bool +sticker_song_find(const Database &db, const char *base_uri, const char *name, + void (*func)(const LightSong &song, const char *value, + void *user_data), + void *user_data) +{ + struct sticker_song_find_data data; + data.db = &db; + data.func = func; + data.user_data = user_data; + + char *allocated; + data.base_uri = base_uri; + if (*data.base_uri != 0) + /* append slash to base_uri */ + data.base_uri = allocated = + g_strconcat(data.base_uri, "/", nullptr); + else + /* searching in root directory - no trailing slash */ + allocated = nullptr; + + data.base_uri_length = strlen(data.base_uri); + + bool success = sticker_find("song", data.base_uri, name, + sticker_song_find_cb, &data); + g_free(allocated); + + return success; +} |