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Diffstat (limited to 'tdehtml/html/htmlparser.h')
| -rw-r--r-- | tdehtml/html/htmlparser.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/tdehtml/html/htmlparser.h b/tdehtml/html/htmlparser.h new file mode 100644 index 000000000..660ced9e9 --- /dev/null +++ b/tdehtml/html/htmlparser.h @@ -0,0 +1,192 @@ +/* + This file is part of the KDE libraries + + Copyright (C) 1997 Martin Jones (mjones@kde.org) + (C) 1997 Torben Weis (weis@kde.org) + (C) 1998 Waldo Bastian (bastian@kde.org) + (C) 1999 Lars Knoll (knoll@kde.org) + (C) 2003 Apple Computer, Inc. + + 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. +*/ +//---------------------------------------------------------------------------- +// +// KDE HTML Widget -- HTML Parser + +#ifndef HTMLPARSER_H +#define HTMLPARSER_H + +// 0 all +// 1 domtree + rendertree + styleForElement, no layouting +// 2 domtree only +#define SPEED_DEBUG 0 + +#ifdef SPEED_DEBUG +#include <tqdatetime.h> +#endif + + +#include "dom/dom_string.h" +#include "xml/dom_nodeimpl.h" +#include "html/html_documentimpl.h" +#include "html/RefPtr.h" + +class KHTMLView; +class HTMLStackElem; + +namespace DOM { + class HTMLDocumentImpl; + class DocumentImpl; + class HTMLElementImpl; + class NodeImpl; + class HTMLFormElementImpl; + class HTMLMapElementImpl; + class HTMLHeadElementImpl; + class DocumentFragmentImpl; +} + +namespace tdehtml { + +class Token; + +/** + * The parser for html. It receives a stream of tokens from the HTMLTokenizer, and + * builds up the Document structure form it. + */ +class KHTMLParser +{ +public: + KHTMLParser( KHTMLView *w, DOM::DocumentImpl *i ); + KHTMLParser( DOM::DocumentFragmentImpl *frag, DOM::DocumentImpl *doc ); + virtual ~KHTMLParser(); + + /** + * parses one token delivered by the tokenizer + */ + void parseToken(Token *_t); + + /** + * resets the parser + */ + void reset(); + + bool skipMode() const { return (discard_until != 0); } + bool noSpaces() const { return (inSelect || !m_inline || !inBody); } + bool selectMode() const { return inSelect; } + + DOM::HTMLDocumentImpl *doc() const { return static_cast<DOM::HTMLDocumentImpl *>(document); } + DOM::DocumentImpl *docPtr() const { return document; } + +protected: + + KHTMLView *HTMLWidget; + DOM::DocumentImpl *document; + + /* + * generate an element from the token + */ + DOM::NodeImpl *getElement(Token *); + + void processCloseTag(Token *); + + bool insertNode(DOM::NodeImpl *n, bool flat = false); + + /* + * The currently active element (the one new elements will be added to) + */ + void setCurrent( DOM::NodeImpl* newNode ) + { + if ( newNode ) newNode->ref(); + if ( current ) current->deref(); + current = newNode; + } + +private: + DOM::NodeImpl *current; + + HTMLStackElem *blockStack; + + void pushBlock( int _id, int _level); + + void popBlock( int _id ); + void popOneBlock(bool delBlock = true); + void popInlineBlocks(); + + void freeBlock( void); + + void createHead(); + + bool isResidualStyleTag(int _id); + bool isAffectedByResidualStyle(int _id); + void handleResidualStyleCloseTagAcrossBlocks(HTMLStackElem* elem); + void reopenResidualStyleTags(HTMLStackElem* elem, DOM::NodeImpl* malformedTableParent); + + ushort *forbiddenTag; + + /* + * currently active form + */ + DOM::HTMLFormElementImpl *form; + + /* + * current map + */ + DOM::HTMLMapElementImpl *map; + + /* + * the head element. Needed for crappy html which defines <base> after </head> + */ + RefPtr<DOM::HTMLHeadElementImpl> head; + + /* + * a possible <isindex> element in the head. Compatibility hack for + * html from the stone age + */ + DOM::NodeImpl *isindex; + DOM::NodeImpl *handleIsindex( Token *t ); + + /* + * inserts the stupid isIndex element. + */ + void startBody(); + + bool inBody; + bool haveContent; + bool haveBody; + bool haveFrameSet; + bool haveTitle; + bool m_inline; + bool end; + bool inSelect; + + + /* + * tells the parser to discard all tags, until it reaches the one specified + */ + int discard_until; + + bool headLoaded; + int inStrayTableContent; + +#if SPEED_DEBUG > 0 + TQTime qt; +#endif +}; + +} // namespace tdehtml + +#endif // HTMLPARSER_H + |