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
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
/*
* Copyright (C) 2005, 2006, 2009 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.
*/
#include "config.h"
#ifdef SKIP_STATIC_CONSTRUCTORS_ON_GCC
#define WEBCORE_QUALIFIEDNAME_HIDE_GLOBALS 1
#else
#define QNAME_DEFAULT_CONSTRUCTOR
#endif
#include "QualifiedName.h"
#include "HTMLNames.h"
#include "WebCoreMemoryInstrumentation.h"
#include "XLinkNames.h"
#include "XMLNSNames.h"
#include "XMLNames.h"
#include <wtf/Assertions.h>
#include <wtf/HashSet.h>
#include <wtf/StaticConstructors.h>
#if ENABLE(MATHML)
#include "MathMLNames.h"
#endif
#if ENABLE(SVG)
#include "SVGNames.h"
#endif
namespace WebCore {
static const int staticQualifiedNamesCount = HTMLNames::HTMLTagsCount + HTMLNames::HTMLAttrsCount
#if ENABLE(MATHML)
+ MathMLNames::MathMLTagsCount + MathMLNames::MathMLAttrsCount
#endif
#if ENABLE(SVG)
+ SVGNames::SVGTagsCount + SVGNames::SVGAttrsCount
#endif
+ XLinkNames::XLinkAttrsCount
+ XMLNSNames::XMLNSAttrsCount
+ XMLNames::XMLAttrsCount;
struct QualifiedNameHashTraits : public HashTraits<QualifiedName::QualifiedNameImpl*> {
static const int minimumTableSize = WTF::HashTableCapacityForSize<staticQualifiedNamesCount>::value;
};
typedef HashSet<QualifiedName::QualifiedNameImpl*, QualifiedNameHash, QualifiedNameHashTraits> QNameSet;
struct QNameComponentsTranslator {
static unsigned hash(const QualifiedNameComponents& components)
{
return hashComponents(components);
}
static bool equal(QualifiedName::QualifiedNameImpl* name, const QualifiedNameComponents& c)
{
return c.m_prefix == name->m_prefix.impl() && c.m_localName == name->m_localName.impl() && c.m_namespace == name->m_namespace.impl();
}
static void translate(QualifiedName::QualifiedNameImpl*& location, const QualifiedNameComponents& components, unsigned)
{
location = QualifiedName::QualifiedNameImpl::create(components.m_prefix, components.m_localName, components.m_namespace).leakRef();
}
};
static QNameSet* gNameCache;
QualifiedName::QualifiedName(const AtomicString& p, const AtomicString& l, const AtomicString& n)
{
if (!gNameCache)
gNameCache = new QNameSet;
QualifiedNameComponents components = { p.impl(), l.impl(), n.isEmpty() ? nullAtom.impl() : n.impl() };
QNameSet::AddResult addResult = gNameCache->add<QualifiedNameComponents, QNameComponentsTranslator>(components);
m_impl = *addResult.iterator;
if (!addResult.isNewEntry)
m_impl->ref();
}
QualifiedName::~QualifiedName()
{
deref();
}
void QualifiedName::deref()
{
#ifdef QNAME_DEFAULT_CONSTRUCTOR
if (!m_impl)
return;
#endif
ASSERT(!isHashTableDeletedValue());
if (m_impl->hasOneRef())
gNameCache->remove(m_impl);
m_impl->deref();
}
String QualifiedName::toString() const
{
String local = localName();
if (hasPrefix()) {
String result = prefix().string();
result.append(":");
result.append(local);
return result;
}
return local;
}
// Global init routines
DEFINE_GLOBAL(QualifiedName, anyName, nullAtom, starAtom, starAtom)
void QualifiedName::init()
{
static bool initialized;
if (!initialized) {
// Use placement new to initialize the globals.
AtomicString::init();
new ((void*)&anyName) QualifiedName(nullAtom, starAtom, starAtom);
initialized = true;
}
}
const QualifiedName& nullQName()
{
DEFINE_STATIC_LOCAL(QualifiedName, nullName, (nullAtom, nullAtom, nullAtom));
return nullName;
}
const AtomicString& QualifiedName::localNameUpper() const
{
if (!m_impl->m_localNameUpper)
m_impl->m_localNameUpper = m_impl->m_localName.upper();
return m_impl->m_localNameUpper;
}
void QualifiedName::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
{
MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::DOM);
info.addMember(m_impl);
}
void QualifiedName::QualifiedNameImpl::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
{
MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::DOM);
info.addMember(m_prefix);
info.addMember(m_localName);
info.addMember(m_namespace);
info.addMember(m_localNameUpper);
}
unsigned QualifiedName::QualifiedNameImpl::computeHash() const
{
QualifiedNameComponents components = { m_prefix.impl(), m_localName.impl(), m_namespace.impl() };
return hashComponents(components);
}
void createQualifiedName(void* targetAddress, const char* name, unsigned nameLength, const AtomicString& nameNamespace)
{
AtomicString atomicName(name, nameLength, AtomicString::ConstructFromLiteral);
new (reinterpret_cast<void*>(targetAddress)) QualifiedName(nullAtom, atomicName, nameNamespace);
}
void createQualifiedName(void* targetAddress, const char* name, unsigned nameLength)
{
AtomicString atomicName(name, nameLength, AtomicString::ConstructFromLiteral);
new (reinterpret_cast<void*>(targetAddress)) QualifiedName(nullAtom, atomicName, nullAtom);
}
}
|
