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
|
/*
* Copyright (C) 2013 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 GOOGLE INC. ``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 GOOGLE INC. OR
* 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.
*/
#include "core/html/parser/CompactHTMLToken.h"
#include "core/dom/QualifiedName.h"
#include "core/html/parser/HTMLParserIdioms.h"
namespace blink {
struct SameSizeAsCompactHTMLToken {
unsigned bitfields;
String data;
Vector<Attribute> vector;
TextPosition textPosition;
};
static_assert(sizeof(CompactHTMLToken) == sizeof(SameSizeAsCompactHTMLToken),
"CompactHTMLToken should stay small");
CompactHTMLToken::CompactHTMLToken(const HTMLToken* token,
const TextPosition& textPosition)
: m_type(token->type()),
m_isAll8BitData(false),
m_doctypeForcesQuirks(false),
m_textPosition(textPosition) {
switch (m_type) {
case HTMLToken::Uninitialized:
ASSERT_NOT_REACHED();
break;
case HTMLToken::DOCTYPE: {
m_data = attemptStaticStringCreation(token->name(), Likely8Bit);
// There is only 1 DOCTYPE token per document, so to avoid increasing the
// size of CompactHTMLToken, we just use the m_attributes vector.
m_attributes.push_back(Attribute(
attemptStaticStringCreation(token->publicIdentifier(), Likely8Bit),
String(token->systemIdentifier())));
m_doctypeForcesQuirks = token->forceQuirks();
break;
}
case HTMLToken::EndOfFile:
break;
case HTMLToken::StartTag:
m_attributes.reserveInitialCapacity(token->attributes().size());
for (const HTMLToken::Attribute& attribute : token->attributes())
m_attributes.push_back(
Attribute(attribute.nameAttemptStaticStringCreation(),
attribute.value8BitIfNecessary()));
// Fall through!
case HTMLToken::EndTag:
m_selfClosing = token->selfClosing();
// Fall through!
case HTMLToken::Comment:
case HTMLToken::Character: {
m_isAll8BitData = token->isAll8BitData();
m_data = attemptStaticStringCreation(
token->data(), token->isAll8BitData() ? Force8Bit : Force16Bit);
break;
}
default:
ASSERT_NOT_REACHED();
break;
}
}
const CompactHTMLToken::Attribute* CompactHTMLToken::getAttributeItem(
const QualifiedName& name) const {
for (unsigned i = 0; i < m_attributes.size(); ++i) {
if (threadSafeMatch(m_attributes.at(i).name(), name))
return &m_attributes.at(i);
}
return nullptr;
}
bool CompactHTMLToken::isSafeToSendToAnotherThread() const {
for (const Attribute& attribute : m_attributes) {
if (!attribute.isSafeToSendToAnotherThread())
return false;
}
return m_data.isSafeToSendToAnotherThread();
}
} // namespace blink
|
