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
|
/*
* Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef AtomicString_h
#define AtomicString_h
#include "AtomicStringImpl.h"
#include "PlatformString.h"
namespace WebCore {
struct AtomicStringHash;
class AtomicString {
public:
static void init();
AtomicString() { }
AtomicString(const char* s) : m_string(add(s)) { }
AtomicString(const UChar* s, int length) : m_string(add(s, length)) { }
AtomicString(const UChar* s) : m_string(add(s)) { }
#if USE(JSC)
AtomicString(const JSC::UString& s) : m_string(add(s)) { }
AtomicString(const JSC::Identifier& s) : m_string(add(s)) { }
#endif
AtomicString(StringImpl* imp) : m_string(add(imp)) { }
AtomicString(AtomicStringImpl* imp) : m_string(imp) { }
AtomicString(const String& s) : m_string(add(s.impl())) { }
// Hash table deleted values, which are only constructed and never copied or destroyed.
AtomicString(WTF::HashTableDeletedValueType) : m_string(WTF::HashTableDeletedValue) { }
bool isHashTableDeletedValue() const { return m_string.isHashTableDeletedValue(); }
#if USE(JSC)
static AtomicStringImpl* find(const JSC::Identifier&);
#endif
operator const String&() const { return m_string; }
const String& string() const { return m_string; };
#if USE(JSC)
operator JSC::UString() const;
#endif
AtomicStringImpl* impl() const { return static_cast<AtomicStringImpl *>(m_string.impl()); }
const UChar* characters() const { return m_string.characters(); }
unsigned length() const { return m_string.length(); }
UChar operator[](unsigned int i) const { return m_string[i]; }
bool contains(UChar c) const { return m_string.contains(c); }
bool contains(const char* s, bool caseSensitive = true) const
{ return m_string.contains(s, caseSensitive); }
bool contains(const String& s, bool caseSensitive = true) const
{ return m_string.contains(s, caseSensitive); }
int find(UChar c, int start = 0) const { return m_string.find(c, start); }
int find(const char* s, int start = 0, bool caseSentitive = true) const
{ return m_string.find(s, start, caseSentitive); }
int find(const String& s, int start = 0, bool caseSentitive = true) const
{ return m_string.find(s, start, caseSentitive); }
bool startsWith(const String& s, bool caseSensitive = true) const
{ return m_string.startsWith(s, caseSensitive); }
bool endsWith(const String& s, bool caseSensitive = true) const
{ return m_string.endsWith(s, caseSensitive); }
int toInt(bool* ok = 0) const { return m_string.toInt(ok); }
double toDouble(bool* ok = 0) const { return m_string.toDouble(ok); }
float toFloat(bool* ok = 0) const { return m_string.toFloat(ok); }
bool percentage(int& p) const { return m_string.percentage(p); }
bool isNull() const { return m_string.isNull(); }
bool isEmpty() const { return m_string.isEmpty(); }
static void remove(StringImpl*);
#if PLATFORM(CF) || (PLATFORM(QT) && PLATFORM(DARWIN))
AtomicString(CFStringRef s) : m_string(add(String(s).impl())) { }
CFStringRef createCFString() const { return m_string.createCFString(); }
#endif
#ifdef __OBJC__
AtomicString(NSString* s) : m_string(add(String(s).impl())) { }
operator NSString*() const { return m_string; }
#endif
#if PLATFORM(QT)
AtomicString(const QString& s) : m_string(add(String(s).impl())) { }
operator QString() const { return m_string; }
#endif
private:
String m_string;
static PassRefPtr<StringImpl> add(const char*);
static PassRefPtr<StringImpl> add(const UChar*, int length);
static PassRefPtr<StringImpl> add(const UChar*);
static PassRefPtr<StringImpl> add(StringImpl*);
#if USE(JSC)
static PassRefPtr<StringImpl> add(const JSC::UString&);
static PassRefPtr<StringImpl> add(const JSC::Identifier&);
#endif
};
inline bool operator==(const AtomicString& a, const AtomicString& b) { return a.impl() == b.impl(); }
bool operator==(const AtomicString& a, const char* b);
inline bool operator==(const AtomicString& a, const String& b) { return equal(a.impl(), b.impl()); }
inline bool operator==(const char* a, const AtomicString& b) { return b == a; }
inline bool operator==(const String& a, const AtomicString& b) { return equal(a.impl(), b.impl()); }
inline bool operator!=(const AtomicString& a, const AtomicString& b) { return a.impl() != b.impl(); }
inline bool operator!=(const AtomicString& a, const char *b) { return !(a == b); }
inline bool operator!=(const AtomicString& a, const String& b) { return !equal(a.impl(), b.impl()); }
inline bool operator!=(const char* a, const AtomicString& b) { return !(b == a); }
inline bool operator!=(const String& a, const AtomicString& b) { return !equal(a.impl(), b.impl()); }
inline bool equalIgnoringCase(const AtomicString& a, const AtomicString& b) { return equalIgnoringCase(a.impl(), b.impl()); }
inline bool equalIgnoringCase(const AtomicString& a, const char* b) { return equalIgnoringCase(a.impl(), b); }
inline bool equalIgnoringCase(const AtomicString& a, const String& b) { return equalIgnoringCase(a.impl(), b.impl()); }
inline bool equalIgnoringCase(const char* a, const AtomicString& b) { return equalIgnoringCase(a, b.impl()); }
inline bool equalIgnoringCase(const String& a, const AtomicString& b) { return equalIgnoringCase(a.impl(), b.impl()); }
// Define external global variables for the commonly used atomic strings.
// These are only usable from the main thread.
#ifndef ATOMICSTRING_HIDE_GLOBALS
extern const AtomicString nullAtom;
extern const AtomicString emptyAtom;
extern const AtomicString textAtom;
extern const AtomicString commentAtom;
extern const AtomicString starAtom;
#endif
} // namespace WebCore
namespace WTF {
// AtomicStringHash is the default hash for AtomicString
template<typename T> struct DefaultHash;
template<> struct DefaultHash<WebCore::AtomicString> {
typedef WebCore::AtomicStringHash Hash;
};
} // namespace WTF
#endif // AtomicString_h
|
