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/*
* 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;
}
bool
sticker_song_delete_value(const struct song *song, const char *name)
{
char *uri;
bool success;
assert(song != NULL);
assert(song_in_database(song));
uri = song_get_uri(song);
success = sticker_delete_value("song", uri, name);
g_free(uri);
return success;
}
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;
}
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