aboutsummaryrefslogtreecommitdiffstats
path: root/src/PlaylistSave.cxx
blob: 875fb1eeb18f5487346c7e4816e20cdf5fa8ea72 (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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
/*
 * 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 "PlaylistSave.hxx"
#include "PlaylistFile.hxx"
#include "PlaylistError.hxx"
#include "queue/Playlist.hxx"
#include "DetachedSong.hxx"
#include "SongLoader.hxx"
#include "Mapper.hxx"
#include "Idle.hxx"
#include "fs/AllocatedPath.hxx"
#include "fs/Traits.hxx"
#include "fs/FileSystem.hxx"
#include "util/Alloc.hxx"
#include "util/UriUtil.hxx"
#include "util/Error.hxx"
#include "Log.hxx"

#include <string.h>

void
playlist_print_song(FILE *file, const DetachedSong &song)
{
	const char *uri_utf8 = playlist_saveAbsolutePaths
		? song.GetRealURI()
		: song.GetURI();

	const auto uri_fs = AllocatedPath::FromUTF8(uri_utf8);
	if (!uri_fs.IsNull())
		fprintf(file, "%s\n", uri_fs.c_str());
}

void
playlist_print_uri(FILE *file, const char *uri)
{
	auto path =
#ifdef ENABLE_DATABASE
		playlist_saveAbsolutePaths && !uri_has_scheme(uri) &&
		!PathTraitsUTF8::IsAbsolute(uri)
		? map_uri_fs(uri)
		:
#endif
		AllocatedPath::FromUTF8(uri);

	if (!path.IsNull())
		fprintf(file, "%s\n", path.c_str());
}

PlaylistResult
spl_save_queue(const char *name_utf8, const Queue &queue)
{
	if (map_spl_path().IsNull())
		return PlaylistResult::DISABLED;

	if (!spl_valid_name(name_utf8))
		return PlaylistResult::BAD_NAME;

	const auto path_fs = map_spl_utf8_to_fs(name_utf8);
	if (path_fs.IsNull())
		return PlaylistResult::BAD_NAME;

	if (FileExists(path_fs))
		return PlaylistResult::LIST_EXISTS;

	FILE *file = FOpen(path_fs, FOpenMode::WriteText);

	if (file == nullptr)
		return PlaylistResult::ERRNO;

	for (unsigned i = 0; i < queue.GetLength(); i++)
		playlist_print_song(file, queue.Get(i));

	fclose(file);

	idle_add(IDLE_STORED_PLAYLIST);
	return PlaylistResult::SUCCESS;
}

PlaylistResult
spl_save_playlist(const char *name_utf8, const playlist &playlist)
{
	return spl_save_queue(name_utf8, playlist.queue);
}

bool
playlist_load_spl(struct playlist &playlist, PlayerControl &pc,
		  const char *name_utf8,
		  unsigned start_index, unsigned end_index,
		  Error &error)
{
	PlaylistFileContents contents = LoadPlaylistFile(name_utf8, error);
	if (contents.empty() && error.IsDefined())
		return false;

	if (end_index > contents.size())
		end_index = contents.size();

	const SongLoader loader(nullptr, nullptr);

	for (unsigned i = start_index; i < end_index; ++i) {
		const auto &uri_utf8 = contents[i];

		if ((playlist.AppendURI(pc, loader, uri_utf8.c_str())) != PlaylistResult::SUCCESS)
			FormatError(playlist_domain,
				    "can't add file \"%s\"", uri_utf8.c_str());
	}

	return true;
}