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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: buffernode.hxx,v $
* $Revision: 1.3 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _BUFFERNODE_HXX
#define _BUFFERNODE_HXX
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/xml/wrapper/XXMLElementWrapper.hpp>
#ifndef INCLUDED_VECTOR
#include <vector>
#define INCLUDED_VECTOR
#endif
class ElementMark;
class ElementCollector;
class BufferNode
/****** buffernode.hxx/CLASS BufferNode ***************************************
*
* NAME
* BufferNode -- Class to maintain the tree of bufferred elements
*
* FUNCTION
* One BufferNode object represents a bufferred element in the document
* wrapper component.
* All BufferNode objects construct a tree which has the same structure
* of all bufferred elements. That is to say, if one bufferred element is
* an ancestor of another bufferred element, then the corresponding
* BufferNode objects are also in ancestor/descendant relationship.
* This class is used to manipulate the tree of bufferred elements.
*
* HISTORY
* 05.01.2004 - implemented
*
* AUTHOR
* Michael Mi
* Email: michael.mi@sun.com
******************************************************************************/
{
private:
/* the parent BufferNode */
BufferNode* m_pParent;
/* all child BufferNodes */
std::vector< const BufferNode* > m_vChildren;
/* all ElementCollector holding this BufferNode */
std::vector< const ElementCollector* > m_vElementCollectors;
/*
* the blocker holding this BufferNode, one BufferNode can have one
* blocker at most
*/
ElementMark* m_pBlocker;
/*
* whether the element has completely bufferred by the document wrapper
* component
*/
bool m_bAllReceived;
/* the XMLElementWrapper of the bufferred element */
com::sun::star::uno::Reference<
com::sun::star::xml::wrapper::XXMLElementWrapper > m_xXMLElement;
private:
bool isECInSubTreeIncluded(sal_Int32 nIgnoredSecurityId) const;
bool isECOfBeforeModifyInAncestorIncluded(sal_Int32 nIgnoredSecurityId) const;
bool isBlockerInSubTreeIncluded(sal_Int32 nIgnoredSecurityId) const;
const BufferNode* getNextChild(const BufferNode* pChild) const;
public:
explicit BufferNode(
const com::sun::star::uno::Reference<
com::sun::star::xml::wrapper::XXMLElementWrapper >& xXMLElement);
virtual ~BufferNode() {};
bool isECOfBeforeModifyIncluded(sal_Int32 nIgnoredSecurityId) const;
void setReceivedAll();
bool isAllReceived() const;
void addElementCollector(const ElementCollector* pElementCollector);
void removeElementCollector(const ElementCollector* pElementCollector);
ElementMark* getBlocker() const;
void setBlocker(const ElementMark* pBlocker);
rtl::OUString printChildren() const;
bool hasAnything() const;
bool hasChildren() const;
std::vector< const BufferNode* >* getChildren() const;
const BufferNode* getFirstChild() const;
void addChild(const BufferNode* pChild, sal_Int32 nPosition);
void addChild(const BufferNode* pChild);
void removeChild(const BufferNode* pChild);
sal_Int32 indexOfChild(const BufferNode* pChild) const;
const BufferNode* childAt(sal_Int32 nIndex) const;
const BufferNode* getParent() const;
void setParent(const BufferNode* pParent);
const BufferNode* getNextSibling() const;
const BufferNode* isAncestor(const BufferNode* pDescendant) const;
bool isPrevious(const BufferNode* pFollowing) const;
const BufferNode* getNextNodeByTreeOrder() const;
com::sun::star::uno::Reference<
com::sun::star::xml::wrapper::XXMLElementWrapper > getXMLElement() const;
void setXMLElement(const com::sun::star::uno::Reference<
com::sun::star::xml::wrapper::XXMLElementWrapper >& xXMLElement);
void notifyBranch();
void notifyAncestor();
void elementCollectorNotify();
void freeAllChildren();
};
#endif
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