DOMRangeImpl.hpp
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- #ifndef DOMRangeImpl_HEADER_GUARD_
- #define DOMRangeImpl_HEADER_GUARD_
- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2001-2002 The Apache Software Foundation. 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.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xerces" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 THE APACHE SOFTWARE FOUNDATION OR
- * ITS 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.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation, and was
- * originally based on software copyright (c) 2001, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /*
- * $Id: DOMRangeImpl.hpp,v 1.5 2003/01/16 20:12:19 tng Exp $
- */
- //
- // This file is part of the internal implementation of the C++ XML DOM.
- // It should NOT be included or used directly by application programs.
- //
- // Applications should include the file <xercesc/dom/DOM.hpp> for the entire
- // DOM API, or xercesc/dom/DOM*.hpp for individual DOM classes, where the class
- // name is substituded for the *.
- //
- #include <xercesc/util/XercesDefs.hpp>
- #include <xercesc/dom/DOMRange.hpp>
- XERCES_CPP_NAMESPACE_BEGIN
- class DOMNode;
- class DOMDocumentFragment;
- class DOMDocument;
- class DOMText;
- class CDOM_EXPORT DOMRangeImpl: public DOMRange {
- private:
- enum TraversalType {
- EXTRACT_CONTENTS = 1,
- CLONE_CONTENTS = 2,
- DELETE_CONTENTS = 3
- };
- enum TraversePoint {
- BEFORE = -1,
- START = 0,
- AFTER = 1
- };
- //private data
- DOMNode* fStartContainer;
- XMLSize_t fStartOffset;
- DOMNode* fEndContainer;
- XMLSize_t fEndOffset;
- bool fCollapsed;
- DOMDocument* fDocument;
- bool fDetached;
- DOMNode* fRemoveChild;
- public:
- //c'tor
- DOMRangeImpl(DOMDocument* doc);
- DOMRangeImpl(const DOMRangeImpl& other);
- //d'tor
- ~DOMRangeImpl();
- //getter functions
- virtual DOMNode* getStartContainer() const;
- virtual XMLSize_t getStartOffset() const;
- virtual DOMNode* getEndContainer() const;
- virtual XMLSize_t getEndOffset() const;
- virtual bool getCollapsed() const;
- virtual const DOMNode* getCommonAncestorContainer() const;
- //setter functions
- virtual void setStart(const DOMNode *parent, XMLSize_t offset);
- virtual void setEnd(const DOMNode *parent, XMLSize_t offset);
- virtual void setStartBefore(const DOMNode *refNode);
- virtual void setStartAfter(const DOMNode *refNode);
- virtual void setEndBefore(const DOMNode *refNode);
- virtual void setEndAfter(const DOMNode *refNode);
- //misc functions
- virtual void collapse(bool toStart);
- virtual void selectNode(const DOMNode *node);
- virtual void selectNodeContents(const DOMNode *node);
- //Functions related to comparing range Boundrary-Points
- virtual short compareBoundaryPoints(CompareHow how, const DOMRange* range) const;
- virtual void deleteContents();
- virtual DOMDocumentFragment* extractContents();
- virtual DOMDocumentFragment* cloneContents() const;
- virtual void insertNode(DOMNode* node);
- //Misc functions
- virtual void surroundContents(DOMNode *node);
- virtual DOMRange* cloneRange() const;
- virtual const XMLCh* toString() const;
- virtual void detach();
- virtual void release();
- //getter functions
- DOMDocument* getDocument();
- // functions to inform all existing valid ranges about a change
- void updateSplitInfo(DOMNode* oldNode, DOMNode* startNode, XMLSize_t offset);
- void updateRangeForInsertedNode(DOMNode* node);
- void receiveReplacedText(DOMNode* node);
- void updateRangeForDeletedText(DOMNode* node, XMLSize_t offset, int count);
- void updateRangeForInsertedText(DOMNode* node, XMLSize_t offset, int count);
- void updateRangeForDeletedNode(DOMNode* node);
- private:
- //setter functions
- void setStartContainer(const DOMNode* node);
- void setStartOffset(XMLSize_t offset) ;
- void setEndContainer(const DOMNode* node);
- void setEndOffset(XMLSize_t offset) ;
- //misc functions
- void validateNode(const DOMNode* node) const;
- bool isValidAncestorType(const DOMNode* node) const;
- bool hasLegalRootContainer(const DOMNode* node) const;
- bool isLegalContainedNode(const DOMNode* node ) const;
- void checkIndex(const DOMNode* node, XMLSize_t offset) const;
- static bool isAncestorOf(const DOMNode* a, const DOMNode* b);
- XMLSize_t indexOf(const DOMNode* child, const DOMNode* parent) const;
- const DOMNode* commonAncestorOf(const DOMNode* pointA, const DOMNode* pointB) const;
- DOMNode* nextNode(const DOMNode* node, bool visitChildren) const;
- DOMDocumentFragment* traverseContents(TraversalType type);
- void checkReadOnly(DOMNode* start, DOMNode* end,
- XMLSize_t starOffset, XMLSize_t endOffset);
- void recurseTreeAndCheck(DOMNode* start, DOMNode* end);
- DOMNode* removeChild(DOMNode* parent, DOMNode* child);
- DOMDocumentFragment* traverseSameContainer( int how );
- DOMDocumentFragment* traverseCommonStartContainer( DOMNode *endAncestor, int how );
- DOMDocumentFragment* traverseCommonEndContainer( DOMNode *startAncestor, int how );
- DOMDocumentFragment* traverseCommonAncestors( DOMNode *startAncestor, DOMNode *endAncestor, int how );
- DOMNode* traverseRightBoundary( DOMNode *root, int how );
- DOMNode* traverseLeftBoundary( DOMNode *root, int how );
- DOMNode* traverseNode( DOMNode *n, bool isFullySelected, bool isLeft, int how );
- DOMNode* traverseFullySelected( DOMNode *n, int how );
- DOMNode* traversePartiallySelected( DOMNode *n, int how );
- DOMNode* traverseTextNode( DOMNode *n, bool isLeft, int how );
- DOMNode* getSelectedNode( DOMNode *container, int offset );
- };
- XERCES_CPP_NAMESPACE_END
- #endif