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
|
/*
* Copyright (C) 2003-2013 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.
*/
/*
* Functions for editing the playlist (adding, removing, reordering
* songs in the queue).
*
*/
#include "config.h"
#include "Playlist.hxx"
#include "PlaylistError.hxx"
#include "DetachedSong.hxx"
#include "tag/Tag.hxx"
#include "tag/TagBuilder.hxx"
#include "util/Error.hxx"
bool
playlist::AddSongIdTag(unsigned id, TagType tag_type, const char *value,
Error &error)
{
const int position = queue.IdToPosition(id);
if (position < 0) {
error.Set(playlist_domain, int(PlaylistResult::NO_SUCH_SONG),
"No such song");
return false;
}
DetachedSong &song = queue.Get(position);
if (song.IsFile()) {
error.Set(playlist_domain, int(PlaylistResult::DENIED),
"Cannot edit tags of local file");
return false;
}
{
TagBuilder tag(std::move(song.WritableTag()));
tag.AddItem(tag_type, value);
song.SetTag(tag.Commit());
}
queue.ModifyAtPosition(position);
OnModified();
return true;
}
bool
playlist::ClearSongIdTag(unsigned id, TagType tag_type,
Error &error)
{
const int position = queue.IdToPosition(id);
if (position < 0) {
error.Set(playlist_domain, int(PlaylistResult::NO_SUCH_SONG),
"No such song");
return false;
}
DetachedSong &song = queue.Get(position);
if (song.IsFile()) {
error.Set(playlist_domain, int(PlaylistResult::DENIED),
"Cannot edit tags of local file");
return false;
}
{
TagBuilder tag(std::move(song.WritableTag()));
if (tag_type == TAG_NUM_OF_ITEM_TYPES)
tag.RemoveAll();
else
tag.RemoveType(tag_type);
song.SetTag(tag.Commit());
}
queue.ModifyAtPosition(position);
OnModified();
return true;
}
|