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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 "config.h"
#include "playlist_queue.h"
#include "playlist_list.h"
#include "playlist_plugin.h"
#include "stored_playlist.h"
#include "mapper.h"
#include "song.h"
#include "uri.h"
#include "ls.h"
#include "input_stream.h"
/**
* Determins if it's allowed to add this song to the playlist. For
* safety reasons, we disallow local files.
*/
static inline bool
accept_song(const struct song *song)
{
return !song_is_file(song) && uri_has_scheme(song->uri) &&
uri_supported_scheme(song->uri);
}
enum playlist_result
playlist_load_into_queue(struct playlist_provider *source,
struct playlist *dest)
{
enum playlist_result result;
struct song *song;
while ((song = playlist_plugin_read(source)) != NULL) {
if (!accept_song(song)) {
song_free(song);
continue;
}
result = playlist_append_song(dest, song, NULL);
if (result != PLAYLIST_RESULT_SUCCESS) {
song_free(song);
return result;
}
}
return PLAYLIST_RESULT_SUCCESS;
}
static enum playlist_result
playlist_open_remote_into_queue(const char *uri, struct playlist *dest)
{
GError *error = NULL;
struct playlist_provider *playlist;
bool stream = false;
struct input_stream is;
enum playlist_result result;
assert(uri_has_scheme(uri));
playlist = playlist_list_open_uri(uri);
if (playlist == NULL) {
stream = input_stream_open(&is, uri, &error);
if (!stream) {
if (error != NULL) {
g_warning("Failed to open %s: %s",
uri, error->message);
g_error_free(error);
}
return PLAYLIST_RESULT_NO_SUCH_LIST;
}
playlist = playlist_list_open_stream(&is, uri);
if (playlist == NULL) {
input_stream_close(&is);
return PLAYLIST_RESULT_NO_SUCH_LIST;
}
}
result = playlist_load_into_queue(playlist, dest);
playlist_plugin_close(playlist);
if (stream)
input_stream_close(&is);
return result;
}
static enum playlist_result
playlist_open_path_into_queue(const char *path_fs, struct playlist *dest)
{
struct playlist_provider *playlist;
struct input_stream is;
enum playlist_result result;
if ((playlist = playlist_list_open_uri(path_fs)) != NULL)
result = playlist_load_into_queue(playlist, dest);
else if ((playlist = playlist_list_open_path(&is, path_fs)) != NULL) {
result = playlist_load_into_queue(playlist, dest);
input_stream_close(&is);
} else
return PLAYLIST_RESULT_NO_SUCH_LIST;
playlist_plugin_close(playlist);
return result;
}
/**
* Load a playlist from the configured playlist directory.
*/
static enum playlist_result
playlist_open_local_into_queue(const char *uri, struct playlist *dest)
{
const char *playlist_directory_fs;
char *path_fs;
enum playlist_result result;
assert(spl_valid_name(uri));
playlist_directory_fs = map_spl_path();
if (playlist_directory_fs == NULL)
return PLAYLIST_RESULT_DISABLED;
path_fs = g_build_filename(playlist_directory_fs, uri, NULL);
result = playlist_open_path_into_queue(path_fs, dest);
g_free(path_fs);
return result;
}
/**
* Load a playlist from the configured music directory.
*/
static enum playlist_result
playlist_open_local_into_queue2(const char *uri, struct playlist *dest)
{
char *path_fs;
enum playlist_result result;
assert(uri_safe_local(uri));
path_fs = map_uri_fs(uri);
if (path_fs == NULL)
return PLAYLIST_RESULT_NO_SUCH_LIST;
result = playlist_open_path_into_queue(path_fs, dest);
g_free(path_fs);
return result;
}
enum playlist_result
playlist_open_into_queue(const char *uri, struct playlist *dest)
{
if (uri_has_scheme(uri))
return playlist_open_remote_into_queue(uri, dest);
if (spl_valid_name(uri)) {
enum playlist_result result =
playlist_open_local_into_queue(uri, dest);
if (result != PLAYLIST_RESULT_NO_SUCH_LIST)
return result;
}
if (uri_safe_local(uri))
return playlist_open_local_into_queue2(uri, dest);
return PLAYLIST_RESULT_NO_SUCH_LIST;
}
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