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
|
/*
* 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.
*/
/*
* Maps directory and song objects to file system paths.
*/
#ifndef MPD_MAPPER_HXX
#define MPD_MAPPER_HXX
#include <string>
#include "gcc.h"
#define PLAYLIST_FILE_SUFFIX ".m3u"
class Path;
struct Directory;
struct Song;
void
mapper_init(Path &&music_dir, Path &&playlist_dir);
void mapper_finish(void);
/**
* Return the absolute path of the music directory encoded in UTF-8.
*/
gcc_const
const char *
mapper_get_music_directory_utf8(void);
/**
* Return the absolute path of the music directory encoded in the
* filesystem character set.
*/
gcc_const
const Path &
mapper_get_music_directory_fs(void);
/**
* Returns true if a music directory was configured.
*/
gcc_const
static inline bool
mapper_has_music_directory(void)
{
return mapper_get_music_directory_utf8() != nullptr;
}
/**
* If the specified absolute path points inside the music directory,
* this function converts it to a relative path. If not, it returns
* the unmodified string pointer.
*/
gcc_pure
const char *
map_to_relative_path(const char *path_utf8);
/**
* Determines the absolute file system path of a relative URI. This
* is basically done by converting the URI to the file system charset
* and prepending the music directory.
*/
gcc_pure
Path
map_uri_fs(const char *uri);
/**
* Determines the file system path of a directory object.
*
* @param directory the directory object
* @return the path in file system encoding, or nullptr if mapping failed
*/
gcc_pure
Path
map_directory_fs(const Directory *directory);
/**
* Determines the file system path of a directory's child (may be a
* sub directory or a song).
*
* @param directory the parent directory object
* @param name the child's name in UTF-8
* @return the path in file system encoding, or nullptr if mapping failed
*/
gcc_pure
Path
map_directory_child_fs(const Directory *directory, const char *name);
/**
* Determines the file system path of a song. This must not be a
* remote song.
*
* @param song the song object
* @return the path in file system encoding, or nullptr if mapping failed
*/
gcc_pure
Path
map_song_fs(const Song *song);
/**
* Maps a file system path (relative to the music directory or
* absolute) to a relative path in UTF-8 encoding.
*
* @param path_fs a path in file system encoding
* @return the relative path in UTF-8, or an empty string if mapping
* failed
*/
gcc_pure
std::string
map_fs_to_utf8(const char *path_fs);
/**
* Returns the playlist directory.
*/
gcc_const
const Path &
map_spl_path(void);
/**
* Maps a playlist name (without the ".m3u" suffix) to a file system
* path. The return value is allocated on the heap and must be freed
* with g_free().
*
* @return the path in file system encoding, or nullptr if mapping failed
*/
gcc_pure
Path
map_spl_utf8_to_fs(const char *name);
#endif
|
