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/*
* Copyright (C) 2008 Apple 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 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 APPLE 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.
*/
#ifndef HTMLPROSPECTIVETOKENIZER_H
#define HTMLPROSPECTIVETOKENIZER_H
#include "misc/stringit.h"
#include <wtf/Vector.h>
namespace DOM
{
class DocumentImpl;
}
namespace khtml
{
class CachedObject;
class CachedObjectClient;
class ProspectiveTokenizer
{
public:
ProspectiveTokenizer(DOM::DocumentImpl *);
~ProspectiveTokenizer();
void begin();
void write(const khtml::TokenizerString &);
void end();
bool inProgress() const
{
return m_inProgress;
}
static unsigned consumeEntity(khtml::TokenizerString &, bool ¬EnoughCharacters);
private:
void tokenize(const khtml::TokenizerString &);
void reset();
void emitTag();
void emitCharacter(QChar);
void tokenizeCSS(QChar);
void emitCSSRule();
void processAttribute();
void clearLastCharacters();
void rememberCharacter(QChar);
bool lastCharactersMatch(const char *, unsigned count) const;
bool m_inProgress;
khtml::TokenizerString m_source;
enum State {
Data,
EntityData,
TagOpen,
CloseTagOpen,
TagName,
BeforeAttributeName,
AttributeName,
AfterAttributeName,
BeforeAttributeValue,
AttributeValueDoubleQuoted,
AttributeValueSingleQuoted,
AttributeValueUnquoted,
EntityInAttributeValue,
BogusComment,
MarkupDeclarationOpen,
CommentStart,
CommentStartDash,
Comment,
CommentEndDash,
CommentEnd
};
State m_state;
bool m_escape;
enum ContentModel {
PCDATA,
RCDATA,
CDATA,
PLAINTEXT
};
ContentModel m_contentModel;
unsigned m_commentPos;
State m_stateBeforeEntityInAttributeValue;
static const unsigned lastCharactersBufferSize = 8;
QChar m_lastCharacters[lastCharactersBufferSize];
unsigned m_lastCharacterIndex;
bool m_closeTag;
WTF::Vector<QChar, 8> m_tagName;
WTF::Vector<QChar, 8> m_attributeName;
WTF::Vector<QChar, 32> m_attributeValue;
WTF::Vector<QChar, 8> m_lastStartTag;
uint m_lastStartTagId;
DOM::DOMString m_urlToLoad;
bool m_linkIsStyleSheet;
enum CSSState {
CSSInitial,
CSSMaybeComment,
CSSComment,
CSSMaybeCommentEnd,
CSSRuleStart,
CSSRule,
CSSAfterRule,
CSSRuleValue,
CSSAferRuleValue
};
CSSState m_cssState;
WTF::Vector<QChar> m_cssRule;
WTF::Vector<QChar> m_cssRuleValue;
int m_timeUsed;
DOM::DocumentImpl *m_document;
};
}
#endif
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