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/*************************************************************************
*
* $RCSfile: saxeventkeeperimpl.hxx,v $
*
* $Revision: 1.1.1.1 $
*
* last change: $Author: mt $ $Date: 2004-07-12 13:15:22 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _SAXEVENTKEEPERIMPL_HXX
#define _SAXEVENTKEEPERIMPL_HXX
#ifndef _COM_SUN_STAR_XML_CRYPTO_SAX_XSECURITYSAXEVENTKEEPER_HPP_
#include <com/sun/star/xml/crypto/sax/XSecuritySAXEventKeeper.hpp>
#endif
#ifndef _COM_SUN_STAR_XML_CRYPTO_SAX_XREFERENCERESOLVEDBROADCASTER_HPP_
#include <com/sun/star/xml/crypto/sax/XReferenceResolvedBroadcaster.hpp>
#endif
#ifndef _COM_SUN_STAR_XML_CRYPTO_SAX_XSAXEVENTKEEPERSTATUSCHANGEBROADCASTER_HPP_
#include <com/sun/star/xml/crypto/sax/XSAXEventKeeperStatusChangeBroadcaster.hpp>
#endif
#ifndef _COM_SUN_STAR_XML_CRYPTO_SAX_XSAXEVENTKEEPERSTATUSCHANGELISTENER_HPP_
#include <com/sun/star/xml/crypto/sax/XSAXEventKeeperStatusChangeListener.hpp>
#endif
#ifndef _COM_SUN_STAR_XML_CSAX_XCOMPRESSEDDOCUMENTHANDLER_HPP_
#include <com/sun/star/xml/csax/XCompressedDocumentHandler.hpp>
#endif
#ifndef _COM_SUN_STAR_XML_WRAPPER_XXMLDOCUMENTWRAPPER_HPP_
#include <com/sun/star/xml/wrapper/XXMLDocumentWrapper.hpp>
#endif
#ifndef _COM_SUN_STAR_XML_SAX_XDOCUMENTHANDLER_HPP_
#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_XINITIALIZATION_HPP_
#include <com/sun/star/lang/XInitialization.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_XSERVICEINFO_HPP_
#include <com/sun/star/lang/XServiceInfo.hpp>
#endif
#ifndef _CPPUHELPER_IMPLBASE6_HXX_
#include <cppuhelper/implbase6.hxx>
#endif
#include "buffernode.hxx"
#include "elementmark.hxx"
#include "elementcollector.hxx"
#ifndef INCLUDED_VECTOR
#include <vector>
#define INCLUDED_VECTOR
#endif
class SAXEventKeeperImpl : public cppu::WeakImplHelper6
<
com::sun::star::xml::crypto::sax::XSecuritySAXEventKeeper,
com::sun::star::xml::crypto::sax::XReferenceResolvedBroadcaster,
com::sun::star::xml::crypto::sax::XSAXEventKeeperStatusChangeBroadcaster,
com::sun::star::xml::sax::XDocumentHandler,
com::sun::star::lang::XInitialization,
com::sun::star::lang::XServiceInfo
>
/****** SAXEventKeeperImpl.hxx/CLASS SAXEventKeeperImpl ***********************
*
* NAME
* SAXEventKeeperImpl -- SAX events buffer controller
*
* FUNCTION
* Controls SAX events to be bufferred, and controls bufferred SAX events
* to be released.
*
* HISTORY
* 05.01.2004 - Interface supported: XSecuritySAXEventKeeper,
* XReferenceResolvedBroadcaster,
* XSAXEventKeeperStatusChangeBroadcaster,
* XDocumentHandler, XInitialization, XServiceInfo
*
* AUTHOR
* Michael Mi
* Email: michael.mi@sun.com
******************************************************************************/
{
private:
/*
* the XMLDocumentWrapper component which maintains all bufferred SAX
* in DOM format.
*/
com::sun::star::uno::Reference<
com::sun::star::xml::wrapper::XXMLDocumentWrapper >
m_xXMLDocument;
/*
* the document handler provided by the XMLDocumentWrapper component.
*/
com::sun::star::uno::Reference<
com::sun::star::xml::sax::XDocumentHandler > m_xDocumentHandler;
/*
* the compressed document handler provided by the XMLDocumentWrapper
* component, the handler has more effient method definition that the
* normal document handler.
*/
com::sun::star::uno::Reference<
com::sun::star::xml::csax::XCompressedDocumentHandler >
m_xCompressedDocumentHandler;
/*
* a listener which receives this SAXEventKeeper's status change
* notification.
* Based on the status changes, the listener can decide whether the
* SAXEventKeeper should chain on/chain off the SAX chain, or whether
* the SAXEventKeeper is useless any long.
*/
com::sun::star::uno::Reference<
com::sun::star::xml::crypto::sax::XSAXEventKeeperStatusChangeListener >
m_xSAXEventKeeperStatusChangeListener;
/*
* the root node of the BufferNode tree.
* the BufferNode tree is used to keep track of all bufferred elements,
* it has the same structure with the document which maintains those
* elements physically.
*/
BufferNode* m_pRootBufferNode;
/*
* the current active BufferNode.
* this is used to keep track the current location in the BufferNode tree,
* the next generated BufferNode will become a child BufferNode of it.
*/
BufferNode* m_pCurrentBufferNode;
/*
* the next Id for a coming ElementMark.
* the variable is increased by 1 when an new ElementMark is generated,
* in this way, we can promise the Id of any ElementMark is unique.
*/
sal_Int32 m_nNextElementMarkId;
/*
* maintains a collection of all ElementMarks.
*/
std::vector< const ElementMark* > m_vElementMarkBuffers;
/*
* maintains a list of new ElementCollectors that will be created
* on the element represented by the next incoming startElement SAX
* event.
* The reason that such the m_vNewElementCollectors is necessary
* is: when an ElementCollector is asked to create, it can't be
* created completely at once, because the BufferNode it will be
* working on has not been created until the next startElement
* SAX event comes.
*/
std::vector< const ElementCollector* > m_vNewElementCollectors;
/*
* maintains the new Blocker that will be created
* on the element represented by the next incoming startElement SAX
* event.
*/
ElementMark* m_pNewBlocker;
/*
* the document handler to which all received SAX events will be
* forwarded.
*/
com::sun::star::uno::Reference<
com::sun::star::xml::sax::XDocumentHandler > m_xNextHandler;
/*
* the current BufferNode which prevents the SAX events to be
* forwarded to the m_xNextHandler.
*/
BufferNode* m_pCurrentBlockingBufferNode;
/*
* maintains a list of ElementMark that has been asked to release.
* Because during processing a request of releasing an ElementMark,
* another releasing ElementMark request can be invoked. To avoid
* reentering the same method, a such request only add that ElementMark
* into this ElementMark list, then all ElementMarks will be processed in
* order.
*/
std::vector< sal_Int32 > m_vReleasedElementMarkBuffers;
/*
* a flag to indicate whether the ElementMark releasing process is runing.
* When a releasing request comes, the assigned ElementMark is added to
* the m_vReleasedElementMarkBuffers first, then this flag is checked.
* If the ElementMark releasing process is not running, then call that
* method.
*/
bool m_bIsReleasing;
/*
* a flag to indicate whether it is the "Forwarding" mode now.
* A "Forwarding" mode means that all received SAX events are from the
* XMLDocumentWrapper component, instead of up-stream component in the
* SAX chain.
* The difference between "Forwarding" mode and normal mode is that:
* no SAX events need to be transferred to the XMLDocumentWrapper component
* again even if a buffer request happens.
*/
bool m_bIsForwarding;
void setCurrentBufferNode(BufferNode* pBufferNode);
BufferNode* addNewElementMarkBuffers();
ElementMark* findElementMarkBuffer(sal_Int32 nId) const;
void removeElementMarkBuffer(sal_Int32 nId);
rtl::OUString printBufferNode(
BufferNode* pBufferNode, sal_Int32 nIndent) const;
com::sun::star::uno::Sequence< com::sun::star::uno::Reference<
com::sun::star::xml::wrapper::XXMLElementWrapper > >
collectChildWorkingElement(BufferNode* pBufferNode) const;
void smashBufferNode(
BufferNode* pBufferNode, bool bClearRoot) const;
BufferNode* findNextBlockingBufferNode(
BufferNode* pStartBufferNode) const;
void diffuse(BufferNode* pBufferNode) const;
void releaseElementMarkBuffer();
void markElementMarkBuffer(sal_Int32 nId);
sal_Int32 createElementCollector(
sal_Int32 nSecurityId,
com::sun::star::xml::crypto::sax::ElementMarkPriority nPriority,
bool bModifyElement,
const com::sun::star::uno::Reference<
com::sun::star::xml::crypto::sax::XReferenceResolvedListener>&
xReferenceResolvedListener);
sal_Int32 createBlocker(sal_Int32 nSecurityId);
public:
SAXEventKeeperImpl();
virtual ~SAXEventKeeperImpl();
/* XSAXEventKeeper */
virtual sal_Int32 SAL_CALL addElementCollector( )
throw (com::sun::star::uno::RuntimeException);
virtual void SAL_CALL removeElementCollector( sal_Int32 id )
throw (com::sun::star::uno::RuntimeException);
virtual sal_Int32 SAL_CALL addBlocker( )
throw (com::sun::star::uno::RuntimeException);
virtual void SAL_CALL removeBlocker( sal_Int32 id )
throw (com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL isBlocking( )
throw (com::sun::star::uno::RuntimeException);
virtual com::sun::star::uno::Reference<
com::sun::star::xml::wrapper::XXMLElementWrapper > SAL_CALL
getElement( sal_Int32 id )
throw (com::sun::star::uno::RuntimeException);
virtual void SAL_CALL setElement(
sal_Int32 id,
const com::sun::star::uno::Reference<
com::sun::star::xml::wrapper::XXMLElementWrapper >&
aElement )
throw (com::sun::star::uno::RuntimeException);
virtual com::sun::star::uno::Reference<
com::sun::star::xml::sax::XDocumentHandler > SAL_CALL
setNextHandler( const com::sun::star::uno::Reference<
com::sun::star::xml::sax::XDocumentHandler >& xNewHandler )
throw (com::sun::star::uno::RuntimeException);
virtual rtl::OUString SAL_CALL printBufferNodeTree()
throw (com::sun::star::uno::RuntimeException);
virtual com::sun::star::uno::Reference<
com::sun::star::xml::wrapper::XXMLElementWrapper > SAL_CALL
getCurrentBlockingNode()
throw (com::sun::star::uno::RuntimeException);
/* XSecuritySAXEventKeeper */
virtual sal_Int32 SAL_CALL addSecurityElementCollector(
com::sun::star::xml::crypto::sax::ElementMarkPriority priority,
sal_Bool modifyElement )
throw (com::sun::star::uno::RuntimeException);
virtual sal_Int32 SAL_CALL cloneElementCollector(
sal_Int32 referenceId,
com::sun::star::xml::crypto::sax::ElementMarkPriority priority )
throw (com::sun::star::uno::RuntimeException);
virtual void SAL_CALL setSecurityId( sal_Int32 id, sal_Int32 securityId )
throw (com::sun::star::uno::RuntimeException);
/* XReferenceResolvedBroadcaster */
virtual void SAL_CALL addReferenceResolvedListener(
sal_Int32 referenceId,
const com::sun::star::uno::Reference<
com::sun::star::xml::crypto::sax::XReferenceResolvedListener >&
listener )
throw (com::sun::star::uno::RuntimeException);
virtual void SAL_CALL removeReferenceResolvedListener(
sal_Int32 referenceId,
const com::sun::star::uno::Reference<
com::sun::star::xml::crypto::sax::XReferenceResolvedListener >&
listener )
throw (com::sun::star::uno::RuntimeException);
/* XSAXEventKeeperStatusChangeBroadcaster */
virtual void SAL_CALL addXSAXEventKeeperStatusChangeListener(
const com::sun::star::uno::Reference<
com::sun::star::xml::crypto::sax::XSAXEventKeeperStatusChangeListener >&
listener )
throw (com::sun::star::uno::RuntimeException);
virtual void SAL_CALL removeXSAXEventKeeperStatusChangeListener(
const com::sun::star::uno::Reference<
com::sun::star::xml::crypto::sax::XSAXEventKeeperStatusChangeListener >&
listener )
throw (com::sun::star::uno::RuntimeException);
/* XDocumentHandler */
virtual void SAL_CALL startDocument( )
throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
virtual void SAL_CALL endDocument( )
throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
virtual void SAL_CALL startElement(
const rtl::OUString& aName,
const com::sun::star::uno::Reference< com::sun::star::xml::sax::XAttributeList >&
xAttribs )
throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
virtual void SAL_CALL endElement( const rtl::OUString& aName )
throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
virtual void SAL_CALL characters( const rtl::OUString& aChars )
throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
virtual void SAL_CALL ignorableWhitespace( const rtl::OUString& aWhitespaces )
throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
virtual void SAL_CALL processingInstruction(
const rtl::OUString& aTarget, const rtl::OUString& aData )
throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
virtual void SAL_CALL setDocumentLocator(
const com::sun::star::uno::Reference< com::sun::star::xml::sax::XLocator >& xLocator )
throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
/* XInitialization */
virtual void SAL_CALL initialize(
const com::sun::star::uno::Sequence< com::sun::star::uno::Any >& aArguments )
throw (com::sun::star::uno::Exception, com::sun::star::uno::RuntimeException);
/* XServiceInfo */
virtual rtl::OUString SAL_CALL getImplementationName( )
throw (com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL supportsService( const rtl::OUString& ServiceName )
throw (com::sun::star::uno::RuntimeException);
virtual com::sun::star::uno::Sequence< rtl::OUString > SAL_CALL getSupportedServiceNames( )
throw (com::sun::star::uno::RuntimeException);
};
rtl::OUString SAXEventKeeperImpl_getImplementationName()
throw ( com::sun::star::uno::RuntimeException );
sal_Bool SAL_CALL SAXEventKeeperImpl_supportsService( const rtl::OUString& ServiceName )
throw ( com::sun::star::uno::RuntimeException );
com::sun::star::uno::Sequence< rtl::OUString > SAL_CALL SAXEventKeeperImpl_getSupportedServiceNames( )
throw ( com::sun::star::uno::RuntimeException );
com::sun::star::uno::Reference< com::sun::star::uno::XInterface >
SAL_CALL SAXEventKeeperImpl_createInstance( const com::sun::star::uno::Reference< com::sun::star::lang::XMultiServiceFactory > & rSMgr)
throw ( com::sun::star::uno::Exception );
#endif
|
