aboutsummaryrefslogtreecommitdiffstats
path: root/src/PlaylistPrint.cxx
blob: a0697f8cff8d12086998eb31276ee124520095a0 (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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
/*
 * 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 "PlaylistPrint.hxx"
#include "PlaylistFile.hxx"
#include "Playlist.hxx"
#include "queue/QueuePrint.hxx"
#include "SongPrint.hxx"
#include "DatabaseGlue.hxx"
#include "DatabasePlugin.hxx"
#include "client/Client.hxx"
#include "input/InputStream.hxx"
#include "DetachedSong.hxx"
#include "fs/Traits.hxx"
#include "util/Error.hxx"
#include "thread/Cond.hxx"

#define SONG_FILE "file: "
#define SONG_TIME "Time: "

void
playlist_print_uris(Client &client, const playlist &playlist)
{
	const Queue &queue = playlist.queue;

	queue_print_uris(client, queue, 0, queue.GetLength());
}

bool
playlist_print_info(Client &client, const playlist &playlist,
		    unsigned start, unsigned end)
{
	const Queue &queue = playlist.queue;

	if (end > queue.GetLength())
		/* correct the "end" offset */
		end = queue.GetLength();

	if (start > end)
		/* an invalid "start" offset is fatal */
		return false;

	queue_print_info(client, queue, start, end);
	return true;
}

bool
playlist_print_id(Client &client, const playlist &playlist,
		  unsigned id)
{
	int position;

	position = playlist.queue.IdToPosition(id);
	if (position < 0)
		/* no such song */
		return false;

	return playlist_print_info(client, playlist, position, position + 1);
}

bool
playlist_print_current(Client &client, const playlist &playlist)
{
	int current_position = playlist.GetCurrentPosition();
	if (current_position < 0)
		return false;

	queue_print_info(client, playlist.queue,
			 current_position, current_position + 1);
	return true;
}

void
playlist_print_find(Client &client, const playlist &playlist,
		    const SongFilter &filter)
{
	queue_find(client, playlist.queue, filter);
}

void
playlist_print_changes_info(Client &client,
			    const playlist &playlist,
			    uint32_t version)
{
	queue_print_changes_info(client, playlist.queue, version);
}

void
playlist_print_changes_position(Client &client,
				const playlist &playlist,
				uint32_t version)
{
	queue_print_changes_position(client, playlist.queue, version);
}

static bool
PrintSongDetails(Client &client, const char *uri_utf8)
{
	const Database *db = GetDatabase();
	if (db == nullptr)
		return false;

	auto *song = db->GetSong(uri_utf8, IgnoreError());
	if (song == nullptr)
		return false;

	song_print_info(client, *song);
	db->ReturnSong(song);
	return true;
}

bool
spl_print(Client &client, const char *name_utf8, bool detail,
	  Error &error)
{
	PlaylistFileContents contents = LoadPlaylistFile(name_utf8, error);
	if (contents.empty() && error.IsDefined())
		return false;

	for (const auto &uri_utf8 : contents) {
		if (!detail || !PrintSongDetails(client, uri_utf8.c_str()))
			client_printf(client, SONG_FILE "%s\n",
				      uri_utf8.c_str());
	}

	return true;
}