aboutsummaryrefslogtreecommitdiffstats
path: root/src/playlist_queue.c
blob: f31eb9f4213a770d04edfd4ca83aea424d4b132b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
/*
 * 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 "playlist_queue.h"
#include "playlist_list.h"
#include "playlist_plugin.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;
}

enum playlist_result
playlist_open_into_queue(const char *uri, struct playlist *dest)
{
	struct playlist_provider *playlist;
	bool stream = false;
	struct input_stream is;
	enum playlist_result result;

	if (!uri_has_scheme(uri))
		/* don't allow local playlist files for now */
		return PLAYLIST_RESULT_NO_SUCH_LIST;

	playlist = playlist_list_open_uri(uri);
	if (playlist == NULL) {
		stream = input_stream_open(&is, uri);
		if (!stream)
			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;
}