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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
/*
* 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.
*/
#include "config.h"
#include "PlaylistSong.hxx"
#include "Mapper.hxx"
#include "DatabasePlugin.hxx"
#include "DatabaseGlue.hxx"
#include "ls.hxx"
#include "tag/Tag.hxx"
#include "fs/Path.hxx"
#include "fs/Traits.hxx"
#include "util/UriUtil.hxx"
#include "util/Error.hxx"
#include "Song.hxx"
#include <glib.h>
#include <assert.h>
#include <string.h>
static void
merge_song_metadata(Song *dest, const Song *base,
const Song *add)
{
dest->tag = base->tag != nullptr
? (add->tag != nullptr
? Tag::Merge(*base->tag, *add->tag)
: new Tag(*base->tag))
: (add->tag != nullptr
? new Tag(*add->tag)
: nullptr);
dest->mtime = base->mtime;
dest->start_ms = add->start_ms;
dest->end_ms = add->end_ms;
}
static Song *
apply_song_metadata(Song *dest, const Song *src)
{
Song *tmp;
assert(dest != nullptr);
assert(src != nullptr);
if (src->tag == nullptr && src->start_ms == 0 && src->end_ms == 0)
return dest;
if (dest->IsInDatabase()) {
const Path &path_fs = map_song_fs(dest);
if (path_fs.IsNull())
return dest;
std::string path_utf8 = path_fs.ToUTF8();
if (path_utf8.empty())
path_utf8 = path_fs.c_str();
tmp = Song::NewFile(path_utf8.c_str(), nullptr);
merge_song_metadata(tmp, dest, src);
} else {
tmp = Song::NewFile(dest->uri, nullptr);
merge_song_metadata(tmp, dest, src);
}
if (dest->tag != nullptr && dest->tag->time > 0 &&
src->start_ms > 0 && src->end_ms == 0 &&
src->start_ms / 1000 < (unsigned)dest->tag->time)
/* the range is open-ended, and the playlist plugin
did not know the total length of the song file
(e.g. last track on a CUE file); fix it up here */
tmp->tag->time = dest->tag->time - src->start_ms / 1000;
dest->Free();
return tmp;
}
static Song *
playlist_check_load_song(const Song *song, const char *uri, bool secure)
{
Song *dest;
if (uri_has_scheme(uri)) {
dest = Song::NewRemote(uri);
} else if (PathTraits::IsAbsoluteUTF8(uri) && secure) {
dest = Song::LoadFile(uri, nullptr);
if (dest == nullptr)
return nullptr;
} else {
const Database *db = GetDatabase(IgnoreError());
if (db == nullptr)
return nullptr;
Song *tmp = db->GetSong(uri, IgnoreError());
if (tmp == nullptr)
/* not found in database */
return nullptr;
dest = tmp->DupDetached();
db->ReturnSong(tmp);
}
return apply_song_metadata(dest, song);
}
Song *
playlist_check_translate_song(Song *song, const char *base_uri,
bool secure)
{
if (song->IsInDatabase())
/* already ok */
return song;
const char *uri = song->uri;
if (uri_has_scheme(uri)) {
if (uri_supported_scheme(uri))
/* valid remote song */
return song;
else {
/* unsupported remote song */
song->Free();
return nullptr;
}
}
if (base_uri != nullptr && strcmp(base_uri, ".") == 0)
/* g_path_get_dirname() returns "." when there is no
directory name in the given path; clear that now,
because it would break the database lookup
functions */
base_uri = nullptr;
if (PathTraits::IsAbsoluteUTF8(uri)) {
/* XXX fs_charset vs utf8? */
const char *suffix = map_to_relative_path(uri);
assert(suffix != nullptr);
if (suffix != uri)
uri = suffix;
else if (!secure) {
/* local files must be relative to the music
directory when "secure" is enabled */
song->Free();
return nullptr;
}
base_uri = nullptr;
}
char *allocated = nullptr;
if (base_uri != nullptr)
uri = allocated = g_build_filename(base_uri, uri, nullptr);
Song *dest = playlist_check_load_song(song, uri, secure);
song->Free();
g_free(allocated);
return dest;
}
|
