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
|
/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef IDBKeyPath_h
#define IDBKeyPath_h
#if ENABLE(INDEXED_DATABASE)
#include "IndexedDB.h"
#include <wtf/Vector.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class KeyedDecoder;
class KeyedEncoder;
enum class IDBKeyPathParseError {
None,
Start,
Identifier,
Dot,
};
void IDBParseKeyPath(const String&, Vector<String>&, IDBKeyPathParseError&);
class IDBKeyPath {
public:
IDBKeyPath() { }
WEBCORE_EXPORT explicit IDBKeyPath(const String&);
WEBCORE_EXPORT explicit IDBKeyPath(const Vector<String>& array);
IndexedDB::KeyPathType type() const { return m_type; }
const Vector<String>& array() const
{
ASSERT(m_type == IndexedDB::KeyPathType::Array);
return m_array;
}
const String& string() const
{
ASSERT(m_type == IndexedDB::KeyPathType::String);
return m_string;
}
bool isNull() const { return m_type == IndexedDB::KeyPathType::Null; }
bool isValid() const;
bool operator==(const IDBKeyPath& other) const;
IDBKeyPath isolatedCopy() const;
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static bool decode(Decoder&, IDBKeyPath&);
WEBCORE_EXPORT void encode(KeyedEncoder&) const;
WEBCORE_EXPORT static bool decode(KeyedDecoder&, IDBKeyPath&);
private:
IndexedDB::KeyPathType m_type { IndexedDB::KeyPathType::Null };
String m_string;
Vector<String> m_array;
};
template<class Encoder>
void IDBKeyPath::encode(Encoder& encoder) const
{
encoder.encodeEnum(m_type);
switch (m_type) {
case IndexedDB::KeyPathType::Null:
break;
case IndexedDB::KeyPathType::String:
encoder << m_string;
break;
case IndexedDB::KeyPathType::Array:
encoder << m_array;
break;
default:
ASSERT_NOT_REACHED();
}
}
template<class Decoder>
bool IDBKeyPath::decode(Decoder& decoder, IDBKeyPath& keyPath)
{
IndexedDB::KeyPathType type;
if (!decoder.decodeEnum(type))
return false;
switch (type) {
case IndexedDB::KeyPathType::Null:
keyPath = IDBKeyPath();
return true;
case IndexedDB::KeyPathType::String: {
String string;
if (!decoder.decode(string))
return false;
keyPath = IDBKeyPath(string);
return true;
}
case IndexedDB::KeyPathType::Array: {
Vector<String> array;
if (!decoder.decode(array))
return false;
keyPath = IDBKeyPath(array);
return true;
}
default:
return true;
}
}
} // namespace WebCore
#endif
#endif // IDBKeyPath_h
|
