#ifndef DOMRangeImpl_HEADER_GUARD_#define DOMRangeImpl_HEADER_GUARD_/* * Copyright 2001-2002,2004 The Apache Software Foundation. *  * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at *  *      http://www.apache.org/licenses/LICENSE-2.0 *  * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* * $Id: DOMRangeImpl.hpp,v 1.8 2004/09/08 13:55:52 peiyongz 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>#include <xercesc/util/PlatformUtils.hpp>XERCES_CPP_NAMESPACE_BEGINclass       DOMNode;class       DOMDocumentFragment;class       DOMDocument;class       DOMText;class       MemoryManager;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;    MemoryManager* fMemoryManager;public:    //c'tor    DOMRangeImpl(DOMDocument* doc, MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);    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 );    // -----------------------------------------------------------------------    // Unimplemented constructors and operators    // -----------------------------------------------------------------------    DOMRangeImpl & operator = (const DOMRangeImpl &);};XERCES_CPP_NAMESPACE_END#endif