1/*
2 * Copyright (C) 2013 Google, Inc. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GOOGLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef CompactHTMLToken_h
27#define CompactHTMLToken_h
28
29#include "core/html/parser/HTMLToken.h"
30#include "wtf/Vector.h"
31#include "wtf/text/TextPosition.h"
32#include "wtf/text/WTFString.h"
33
34namespace blink {
35
36class QualifiedName;
37
38class CompactHTMLToken {
39public:
40    struct Attribute {
41        Attribute(const String& name, const String& value)
42            : name(name)
43            , value(value)
44        {
45        }
46
47        String name;
48        String value;
49    };
50
51    CompactHTMLToken(const HTMLToken*, const TextPosition&);
52
53    bool isSafeToSendToAnotherThread() const;
54
55    HTMLToken::Type type() const { return static_cast<HTMLToken::Type>(m_type); }
56    const String& data() const { return m_data; }
57    bool selfClosing() const { return m_selfClosing; }
58    bool isAll8BitData() const { return m_isAll8BitData; }
59    const Vector<Attribute>& attributes() const { return m_attributes; }
60    const Attribute* getAttributeItem(const QualifiedName&) const;
61    const TextPosition& textPosition() const { return m_textPosition; }
62
63    // There is only 1 DOCTYPE token per document, so to avoid increasing the
64    // size of CompactHTMLToken, we just use the m_attributes vector.
65    const String& publicIdentifier() const { return m_attributes[0].name; }
66    const String& systemIdentifier() const { return m_attributes[0].value; }
67    bool doctypeForcesQuirks() const { return m_doctypeForcesQuirks; }
68
69private:
70    unsigned m_type : 4;
71    unsigned m_selfClosing : 1;
72    unsigned m_isAll8BitData : 1;
73    unsigned m_doctypeForcesQuirks: 1;
74
75    String m_data; // "name", "characters", or "data" depending on m_type
76    Vector<Attribute> m_attributes;
77    TextPosition m_textPosition;
78};
79
80typedef Vector<CompactHTMLToken> CompactHTMLTokenStream;
81
82}
83
84#endif
85