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
|
/*
* Copyright (C) 2003-2011 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.
*/
#ifndef MPD_SIMPLE_DATABASE_PLUGIN_HXX
#define MPD_SIMPLE_DATABASE_PLUGIN_HXX
#include "DatabasePlugin.hxx"
#include "Path.hxx"
#include "gcc.h"
#include <cassert>
#include <time.h>
struct Directory;
class SimpleDatabase : public Database {
Path path;
Directory *root;
time_t mtime;
#ifndef NDEBUG
unsigned borrowed_song_count;
#endif
SimpleDatabase()
:path(Path::Null()) {}
public:
gcc_pure
Directory *GetRoot() {
assert(root != NULL);
return root;
}
bool Save(GError **error_r);
gcc_pure
time_t GetLastModified() const {
return mtime;
}
static Database *Create(const struct config_param *param,
GError **error_r);
virtual bool Open(GError **error_r) override;
virtual void Close() override;
virtual struct song *GetSong(const char *uri_utf8,
GError **error_r) const override;
virtual void ReturnSong(struct song *song) const;
virtual bool Visit(const DatabaseSelection &selection,
VisitDirectory visit_directory,
VisitSong visit_song,
VisitPlaylist visit_playlist,
GError **error_r) const override;
virtual bool VisitUniqueTags(const DatabaseSelection &selection,
enum tag_type tag_type,
VisitString visit_string,
GError **error_r) const override;
virtual bool GetStats(const DatabaseSelection &selection,
DatabaseStats &stats,
GError **error_r) const override;
protected:
bool Configure(const struct config_param *param, GError **error_r);
gcc_pure
bool Check(GError **error_r) const;
bool Load(GError **error_r);
gcc_pure
const Directory *LookupDirectory(const char *uri) const;
};
extern const DatabasePlugin simple_db_plugin;
#endif
|
