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
|
/*
* 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.
*/
#ifndef MPD_SONG_FILTER_HXX
#define MPD_SONG_FILTER_HXX
#include "Compiler.h"
#include <list>
#include <string>
#include <stdint.h>
#include <time.h>
/**
* Limit the search to files within the given directory.
*/
#define LOCATE_TAG_BASE_TYPE (TAG_NUM_OF_ITEM_TYPES + 1)
#define LOCATE_TAG_MODIFIED_SINCE (TAG_NUM_OF_ITEM_TYPES + 2)
#define LOCATE_TAG_FILE_TYPE TAG_NUM_OF_ITEM_TYPES+10
#define LOCATE_TAG_ANY_TYPE TAG_NUM_OF_ITEM_TYPES+20
template<typename T> struct ConstBuffer;
struct Tag;
struct TagItem;
struct Song;
struct LightSong;
class DetachedSong;
class SongFilter {
public:
class Item {
uint8_t tag;
bool fold_case;
std::string value;
/**
* For #LOCATE_TAG_MODIFIED_SINCE
*/
time_t time;
public:
gcc_nonnull(3)
Item(unsigned tag, const char *value, bool fold_case=false);
Item(unsigned tag, time_t time);
Item(const Item &other) = delete;
Item(Item &&) = default;
Item &operator=(const Item &other) = delete;
unsigned GetTag() const {
return tag;
}
bool GetFoldCase() const {
return fold_case;
}
const std::string &GetValue() const {
return value;
}
gcc_pure gcc_nonnull(2)
bool StringMatch(const char *s) const;
gcc_pure
bool Match(const TagItem &tag_item) const;
gcc_pure
bool Match(const Tag &tag) const;
gcc_pure
bool Match(const DetachedSong &song) const;
gcc_pure
bool Match(const LightSong &song) const;
};
private:
std::list<Item> items;
public:
SongFilter() = default;
gcc_nonnull(3)
SongFilter(unsigned tag, const char *value, bool fold_case=false);
~SongFilter();
gcc_nonnull(2,3)
bool Parse(const char *tag, const char *value, bool fold_case=false);
bool Parse(ConstBuffer<const char *> args, bool fold_case=false);
gcc_pure
bool Match(const Tag &tag) const;
gcc_pure
bool Match(const DetachedSong &song) const;
gcc_pure
bool Match(const LightSong &song) const;
const std::list<Item> &GetItems() const {
return items;
}
gcc_pure
bool IsEmpty() const {
return items.empty();
}
/**
* Is there at least one item with "fold case" enabled?
*/
gcc_pure
bool HasFoldCase() const {
for (const auto &i : items)
if (i.GetFoldCase())
return true;
return false;
}
/**
* Does this filter contain constraints other than "base"?
*/
gcc_pure
bool HasOtherThanBase() const;
/**
* Returns the "base" specification (if there is one) or an
* empty string.
*/
gcc_pure
std::string GetBase() const;
};
/**
* @return #TAG_NUM_OF_ITEM_TYPES on error
*/
gcc_pure
unsigned
locate_parse_type(const char *str);
#endif
|
