author | Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com> |
Fri, 08 May 2009 08:25:06 +0300 | |
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parent 0 | dd21522fd290 |
permissions | -rw-r--r-- |
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/* |
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Copyright (C) 1997 Martin Jones (mjones@kde.org) |
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(C) 1997 Torben Weis (weis@kde.org) |
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(C) 1998 Waldo Bastian (bastian@kde.org) |
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(C) 1999 Lars Knoll (knoll@kde.org) |
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Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. |
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|
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This library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Library General Public |
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License as published by the Free Software Foundation; either |
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version 2 of the License, or (at your option) any later version. |
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|
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This library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Library General Public License for more details. |
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You should have received a copy of the GNU Library General Public License |
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along with this library; see the file COPYING.LIB. If not, write to |
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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Boston, MA 02110-1301, USA. |
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*/ |
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#ifndef HTMLParser_h |
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#define HTMLParser_h |
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#include "QualifiedName.h" |
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#include <wtf/Forward.h> |
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#include <wtf/RefPtr.h> |
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#include "HTMLParserErrorCodes.h" |
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namespace WebCore { |
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class Document; |
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class DocumentFragment; |
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class HTMLDocument; |
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class HTMLFormElement; |
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class HTMLHeadElement; |
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class HTMLMapElement; |
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class Node; |
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class Token; |
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struct HTMLStackElem; |
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/** |
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* The parser for HTML. It receives a stream of tokens from the HTMLTokenizer, and |
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* builds up the Document structure from it. |
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*/ |
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class HTMLParser : Noncopyable { |
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public: |
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HTMLParser(HTMLDocument*, bool reportErrors); |
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HTMLParser(DocumentFragment*); |
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virtual ~HTMLParser(); |
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/** |
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* parses one token delivered by the tokenizer |
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*/ |
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PassRefPtr<Node> parseToken(Token*); |
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/** |
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* tokenizer says it's not going to be sending us any more tokens |
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*/ |
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void finished(); |
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/** |
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* resets the parser |
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*/ |
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void reset(); |
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bool skipMode() const { return !m_skipModeTag.isNull(); } |
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bool isHandlingResidualStyleAcrossBlocks() const { return m_handlingResidualStyleAcrossBlocks; } |
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#if PLATFORM(SYMBIAN) |
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void setScriptOk( bool scriptSupported ) { m_scriptSupported = scriptSupported; } |
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#endif |
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private: |
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void setCurrent(Node*); |
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void derefCurrent(); |
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void setSkipMode(const QualifiedName& qName) { m_skipModeTag = qName.localName(); } |
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PassRefPtr<Node> getNode(Token*); |
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bool bodyCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool canvasCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool commentCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool ddCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool dtCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool formCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool framesetCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool headCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool iframeCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool isindexCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool mapCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool nestedCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool nestedStyleCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool noembedCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool noframesCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool nolayerCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool noscriptCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool selectCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool tableCellCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool tableSectionCreateErrorCheck(Token*, RefPtr<Node>&); |
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bool textCreateErrorCheck(Token*, RefPtr<Node>&); |
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void processCloseTag(Token*); |
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bool insertNode(Node*, bool flat = false); |
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bool handleError(Node*, bool flat, const AtomicString& localName, int tagPriority); |
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void pushBlock(const AtomicString& tagName, int level); |
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void popBlock(const AtomicString& tagName, bool reportErrors = false); |
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void popBlock(const QualifiedName& qName, bool reportErrors = false) { return popBlock(qName.localName(), reportErrors); } // Convenience function for readability. |
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void popOneBlock(); |
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void moveOneBlockToStack(HTMLStackElem*& head); |
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inline HTMLStackElem* popOneBlockCommon(); |
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void popInlineBlocks(); |
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void freeBlock(); |
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void createHead(); |
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static bool isResidualStyleTag(const AtomicString& tagName); |
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static bool isAffectedByResidualStyle(const AtomicString& tagName); |
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void handleResidualStyleCloseTagAcrossBlocks(HTMLStackElem*); |
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void reopenResidualStyleTags(HTMLStackElem*, Node* malformedTableParent); |
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bool allowNestedRedundantTag(const AtomicString& tagName); |
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static bool isHeaderTag(const AtomicString& tagName); |
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void popNestedHeaderTag(); |
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bool isInline(Node*) const; |
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void startBody(); // inserts the isindex element |
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PassRefPtr<Node> handleIsindex(Token*); |
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void reportError(HTMLParserErrorCode errorCode, const AtomicString* tagName1 = 0, const AtomicString* tagName2 = 0, bool closeTags = false) |
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{ if (!m_reportErrors) return; reportErrorToConsole(errorCode, tagName1, tagName2, closeTags); } |
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void reportErrorToConsole(HTMLParserErrorCode, const AtomicString* tagName1, const AtomicString* tagName2, bool closeTags); |
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Document* document; |
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// The currently active element (the one new elements will be added to). Can be a document fragment, a document or an element. |
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Node* current; |
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// We can't ref a document, but we don't want to constantly check if a node is a document just to decide whether to deref. |
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bool didRefCurrent; |
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HTMLStackElem* blockStack; |
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RefPtr<HTMLFormElement> m_currentFormElement; // currently active form |
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RefPtr<HTMLMapElement> m_currentMapElement; // current map |
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HTMLHeadElement* head; // head element; needed for HTML which defines <base> after </head> |
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RefPtr<Node> m_isindexElement; // a possible <isindex> element in the head |
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bool inBody; |
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bool haveContent; |
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bool haveFrameSet; |
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AtomicString m_skipModeTag; // tells the parser to discard all tags until it reaches the one specified |
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bool m_isParsingFragment; |
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bool m_reportErrors; |
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bool m_handlingResidualStyleAcrossBlocks; |
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int inStrayTableContent; |
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#if PLATFORM(SYMBIAN) |
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bool m_scriptSupported; |
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#endif |
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}; |
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} |
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#endif // HTMLParser_h |