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authorMichael Stahl <mstahl@redhat.com>2012-01-28 20:52:45 +0100
committerMichael Stahl <mstahl@redhat.com>2012-01-28 20:52:45 +0100
commit2e626373db2412ac22e8c5c27a60d11cd29e875b (patch)
tree9e9f67205cd5b72f1031721273e1534a3a1e5b0f /xmlsecurity/source/framework/saxeventkeeperimpl.cxx
parentf7ee7bbd5174b084f018c2ec94d8c70c98ee04da (diff)
replace obsolete "master" branch with README that points at new repoHEADmaster-deletedmaster
Diffstat (limited to 'xmlsecurity/source/framework/saxeventkeeperimpl.cxx')
-rw-r--r--xmlsecurity/source/framework/saxeventkeeperimpl.cxx1426
1 files changed, 0 insertions, 1426 deletions
diff --git a/xmlsecurity/source/framework/saxeventkeeperimpl.cxx b/xmlsecurity/source/framework/saxeventkeeperimpl.cxx
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--- a/xmlsecurity/source/framework/saxeventkeeperimpl.cxx
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-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*************************************************************************
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * Copyright 2000, 2010 Oracle and/or its affiliates.
- *
- * OpenOffice.org - a multi-platform office productivity suite
- *
- * 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.
- *
- ************************************************************************/
-
-// MARKER(update_precomp.py): autogen include statement, do not remove
-#include "precompiled_xmlsecurity.hxx"
-
-#include "saxeventkeeperimpl.hxx"
-#include <com/sun/star/lang/XMultiServiceFactory.hpp>
-#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
-#include <com/sun/star/xml/crypto/sax/ConstOfSecurityId.hpp>
-
-namespace cssu = com::sun::star::uno;
-namespace cssl = com::sun::star::lang;
-namespace cssxc = com::sun::star::xml::crypto;
-namespace cssxcsax = com::sun::star::xml::csax;
-namespace cssxw = com::sun::star::xml::wrapper;
-namespace cssxs = com::sun::star::xml::sax;
-
-#define SERVICE_NAME "com.sun.star.xml.crypto.sax.SAXEventKeeper"
-#define IMPLEMENTATION_NAME "com.sun.star.xml.security.framework.SAXEventKeeperImpl"
-
-#define _USECOMPRESSEDDOCUMENTHANDLER
-
-SAXEventKeeperImpl::SAXEventKeeperImpl( )
- :m_pRootBufferNode(NULL),
- m_pCurrentBufferNode(NULL),
- m_nNextElementMarkId(1),
- m_pNewBlocker(NULL),
- m_pCurrentBlockingBufferNode(NULL),
- m_bIsReleasing(false),
- m_bIsForwarding(false)
-{
- m_vElementMarkBuffers.reserve(2);
- m_vNewElementCollectors.reserve(2);
- m_vReleasedElementMarkBuffers.reserve(2);
-}
-
-SAXEventKeeperImpl::~SAXEventKeeperImpl()
-{
- /*
- * delete the BufferNode tree
- */
- if (m_pRootBufferNode != NULL)
- {
- m_pRootBufferNode->freeAllChildren();
- delete m_pRootBufferNode;
- }
-
- m_pRootBufferNode = m_pCurrentBufferNode = m_pCurrentBlockingBufferNode = NULL;
-
- /*
- * delete all unfreed ElementMarks
- */
- m_vNewElementCollectors.clear();
- m_pNewBlocker = NULL;
-
- std::vector< const ElementMark* >::const_iterator ii = m_vElementMarkBuffers.begin();
- for( ; ii != m_vElementMarkBuffers.end(); ++ii )
- {
- delete (*ii);
- }
- m_vElementMarkBuffers.clear();
-}
-
-void SAXEventKeeperImpl::setCurrentBufferNode(BufferNode* pBufferNode)
-/****** SAXEventKeeperImpl/setCurrentBufferNode ******************************
- *
- * NAME
- * setCurrentBufferNode -- set a new active BufferNode.
- *
- * SYNOPSIS
- * setCurrentBufferNode( pBufferNode );
- *
- * FUNCTION
- * connects this BufferNode into the BufferNode tree as a child of the
- * current active BufferNode. Then makes this BufferNode as the current
- * active BufferNode.
- * If the previous active BufferNode points to the root
- * BufferNode, which means that no buffering operation was proceeding,
- * then notifies the status change listener that buffering operation
- * will begin at once.
- *
- * INPUTS
- * pBufferNode - a BufferNode which will be the new active BufferNode
- *
- * RESULT
- * empty
- *
- * AUTHOR
- * Michael Mi
- * Email: michael.mi@sun.com
- ******************************************************************************/
-{
- if (pBufferNode != m_pCurrentBufferNode)
- {
- if ( m_pCurrentBufferNode == m_pRootBufferNode &&
- m_xSAXEventKeeperStatusChangeListener.is())
- {
- m_xSAXEventKeeperStatusChangeListener->collectionStatusChanged(sal_True);
- }
-
- if (pBufferNode->getParent() == NULL)
- {
- m_pCurrentBufferNode->addChild(pBufferNode);
- pBufferNode->setParent(m_pCurrentBufferNode);
- }
-
- m_pCurrentBufferNode = pBufferNode;
- }
-}
-
-BufferNode* SAXEventKeeperImpl::addNewElementMarkBuffers()
-/****** SAXEventKeeperImpl/addNewElementMarkBuffers **************************
- *
- * NAME
- * addNewElementMarkBuffers -- add new ElementCollectors and new Blocker.
- *
- * SYNOPSIS
- * pBufferNode = addNewElementMarkBuffers( );
- *
- * FUNCTION
- * if there are new ElementCollector or new Blocker to be added, then
- * connect all of them with the current BufferNode. In case of the
- * current BufferNode doesn't exist, creates one.
- * Clears up the new ElementCollector list and the new Blocker pointer.
- *
- * INPUTS
- * empty
- *
- * RESULT
- * pBufferNode - the BufferNode that has been connected with both new
- * ElementCollectors and new Blocker.
- *
- * AUTHOR
- * Michael Mi
- * Email: michael.mi@sun.com
- ******************************************************************************/
-{
- BufferNode* pBufferNode = NULL;
-
- if ( (!m_vNewElementCollectors.empty()) ||
- (m_pNewBlocker != NULL))
- {
- /*
- * When the current BufferNode is right pointing to the current
- * working element in the XMLDocumentWrapper component, then
- * no new BufferNode is needed to create.
- * This situation can only happen in the "Forwarding" mode.
- */
- if ( (m_pCurrentBufferNode != NULL) &&
- (m_xXMLDocument->isCurrent(m_pCurrentBufferNode->getXMLElement())))
- {
- pBufferNode = m_pCurrentBufferNode;
- }
- else
- {
- pBufferNode = new BufferNode(m_xXMLDocument->getCurrentElement());
- }
-
- if (m_pNewBlocker != NULL)
- {
- pBufferNode->setBlocker(m_pNewBlocker);
-
- /*
- * If no blocking before, then notify the status change listener that
- * the SAXEventKeeper has entered "blocking" status, during which, no
- * SAX events will be forwarded to the next document handler.
- */
- if (m_pCurrentBlockingBufferNode == NULL)
- {
- m_pCurrentBlockingBufferNode = pBufferNode;
-
- if (m_xSAXEventKeeperStatusChangeListener.is())
- {
- m_xSAXEventKeeperStatusChangeListener->blockingStatusChanged(sal_True);
- }
- }
-
- m_pNewBlocker = NULL;
- }
-
- if (!m_vNewElementCollectors.empty())
- {
- std::vector< const ElementCollector* >::const_iterator ii = m_vNewElementCollectors.begin();
-
- for( ; ii != m_vNewElementCollectors.end(); ++ii )
- {
- pBufferNode->addElementCollector(*ii);
- }
-
- m_vNewElementCollectors.clear();
- }
- }
-
- return pBufferNode;
-}
-
-ElementMark* SAXEventKeeperImpl::findElementMarkBuffer(sal_Int32 nId) const
-/****** SAXEventKeeperImpl/findElementMarkBuffer *****************************
- *
- * NAME
- * findElementMarkBuffer -- finds an ElementMark.
- *
- * SYNOPSIS
- * pElementMark = findElementMarkBuffer( nId );
- *
- * FUNCTION
- * searches an ElementMark with the particular Id in the ElementMark
- * list.
- *
- * INPUTS
- * nId - the Id of the ElementMark to be searched.
- *
- * RESULT
- * pElementMark - the ElementMark with the particular Id, or NULL when
- * no such Id exists.
- *
- * AUTHOR
- * Michael Mi
- * Email: michael.mi@sun.com
- ******************************************************************************/
-{
- ElementMark* pElementMark = NULL;
-
- std::vector< const ElementMark* >::const_iterator ii = m_vElementMarkBuffers.begin();
-
- for( ; ii != m_vElementMarkBuffers.end(); ++ii )
- {
- if ( nId == (*ii)->getBufferId())
- {
- pElementMark = (ElementMark*)*ii;
- break;
- }
- }
-
- return pElementMark;
-}
-
-void SAXEventKeeperImpl::removeElementMarkBuffer(sal_Int32 nId)
-/****** SAXEventKeeperImpl/removeElementMarkBuffer ***************************
- *
- * NAME
- * removeElementMarkBuffer -- removes an ElementMark
- *
- * SYNOPSIS
- * removeElementMarkBuffer( nId );
- *
- * FUNCTION
- * removes an ElementMark with the particular Id in the ElementMark list.
- *
- * INPUTS
- * nId - the Id of the ElementMark to be removed.
- *
- * RESULT
- * empty
- *
- * AUTHOR
- * Michael Mi
- * Email: michael.mi@sun.com
- ******************************************************************************/
-{
- std::vector< const ElementMark* >::iterator ii = m_vElementMarkBuffers.begin();
-
- for( ; ii != m_vElementMarkBuffers.end(); ++ii )
- {
- if ( nId == (*ii)->getBufferId())
- {
- /*
- * checks whether this ElementMark still in the new ElementCollect array
- */
- std::vector< const ElementCollector* >::iterator jj = m_vNewElementCollectors.begin();
- for( ; jj != m_vNewElementCollectors.end(); ++jj )
- {
- if ((*ii) == (*jj))
- {
- m_vNewElementCollectors.erase(jj);
- break;
- }
- }
-
- /*
- * checks whether this ElementMark is the new Blocker
- */
- if ((*ii) == m_pNewBlocker)
- {
- m_pNewBlocker = NULL;
- }
-
- /*
- * destory the ElementMark
- */
- delete (*ii);
-
- m_vElementMarkBuffers.erase( ii );
- break;
- }
- }
-}
-
-rtl::OUString SAXEventKeeperImpl::printBufferNode(
- BufferNode* pBufferNode, sal_Int32 nIndent) const
-/****** SAXEventKeeperImpl/printBufferNode ***********************************
- *
- * NAME
- * printBufferNode -- retrieves the information of a BufferNode and its
- * branch.
- *
- * SYNOPSIS
- * info = printBufferNode( pBufferNode, nIndent );
- *
- * FUNCTION
- * all retrieved information includes:
- * 1. whether it is the current BufferNode;
- * 2. whether it is the current blocking BufferNode;
- * 3. the name of the parent element;
- * 4. the name of this element;
- * 5. all ElementCollectors working on this BufferNode;
- * 6. the Blocker working on this BufferNode;
- * 7. all child BufferNodes' information.
- *
- * INPUTS
- * pBufferNode - the BufferNode from where information will be retrieved.
- * nIndent - how many space characters prefixed before the output
- * message.
- *
- * RESULT
- * info - the information string
- *
- * AUTHOR
- * Michael Mi
- * Email: michael.mi@sun.com
- ******************************************************************************/
-{
- rtl::OUString rc;
-
- for ( int i=0; i<nIndent; ++i )
- {
- rc += rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( " " ));
- }
-
- if (pBufferNode == m_pCurrentBufferNode)
- {
- rc += rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "[%]" ));
- }
-
- if (pBufferNode == m_pCurrentBlockingBufferNode)
- {
- rc += rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "[B]" ));
- }
-
- rc += rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( " " ));
- rc += m_xXMLDocument->getNodeName(pBufferNode->getXMLElement());
-
- BufferNode* pParent = (BufferNode*)pBufferNode->getParent();
- if (pParent != NULL)
- {
- rc += rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "[" ));
- rc += m_xXMLDocument->getNodeName(pParent->getXMLElement());
- rc += rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "]" ));
- }
-
- rc += rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( ":EC=" ));
- rc += pBufferNode->printChildren();
- rc += rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( " BR=" ));
-
- ElementMark * pBlocker = pBufferNode->getBlocker();
- if (pBlocker != NULL)
- {
- rc += rtl::OUString::valueOf( pBlocker->getBufferId() );
- rc += rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "(SecId=" ));
- rc += rtl::OUString::valueOf( pBlocker->getSecurityId() );
- rc += rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( ")" ));
- rc += rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( " " ));
- }
- rc += rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "\n" ));
-
- std::vector< const BufferNode* >* vChildren = pBufferNode->getChildren();
- std::vector< const BufferNode* >::const_iterator jj = vChildren->begin();
- for( ; jj != vChildren->end(); ++jj )
- {
- rc += printBufferNode((BufferNode *)*jj, nIndent+4);
- }
-
- delete vChildren;
-
- return rc;
-}
-
-cssu::Sequence< cssu::Reference< cssxw::XXMLElementWrapper > >
- SAXEventKeeperImpl::collectChildWorkingElement(BufferNode* pBufferNode) const
-/****** SAXEventKeeperImpl/collectChildWorkingElement ************************
- *
- * NAME
- * collectChildWorkingElement -- collects a BufferNode's all child
- * Elements.
- *
- * SYNOPSIS
- * list = collectChildWorkingElement( pBufferNode );
- *
- * FUNCTION
- * see NAME.
- *
- * INPUTS
- * pBufferNode - the BufferNode whose child Elements will be collected.
- *
- * RESULT
- * list - the child Elements list.
- *
- * AUTHOR
- * Michael Mi
- * Email: michael.mi@sun.com
- ******************************************************************************/
-{
- std::vector< const BufferNode* >* vChildren = pBufferNode->getChildren();
-
- cssu::Sequence < cssu::Reference<
- cssxw::XXMLElementWrapper > > aChildrenCollection ( vChildren->size());
-
- std::vector< const BufferNode* >::const_iterator ii = vChildren->begin();
-
- sal_Int32 nIndex = 0;
- for( ; ii != vChildren->end(); ++ii )
- {
- aChildrenCollection[nIndex] = (*ii)->getXMLElement();
- nIndex++;
- }
-
- delete vChildren;
-
- return aChildrenCollection;
-}
-
-void SAXEventKeeperImpl::smashBufferNode(
- BufferNode* pBufferNode, bool bClearRoot) const
-/****** SAXEventKeeperImpl/smashBufferNode ***********************************
- *
- * NAME
- * smashBufferNode -- removes a BufferNode along with its working
- * element.
- *
- * SYNOPSIS
- * smashBufferNode( pBufferNode, bClearRoot );
- *
- * FUNCTION
- * removes the BufferNode's working element from the DOM document, while
- * reserves all ancestor paths for its child BufferNodes.
- * when any of the BufferNode's ancestor element is useless, removes it
- * too.
- * removes the BufferNode from the BufferNode tree.
- *
- * INPUTS
- * pBufferNode - the BufferNode to be removed
- * bClearRoot - whether the root element also needs to be cleared up.
- *
- * RESULT
- * empty
- *
- * NOTES
- * when removeing a Blocker's BufferNode, the bClearRoot flag should be
- * true. Because a Blocker can buffer many SAX events which are not used
- * by any other ElementCollector or Blocker.
- * When the bClearRoot is set to true, the root BufferNode will be first
- * cleared, with a stop flag seting at the next Blocking BufferNode. This
- * operation can delete all useless bufferred SAX events which are only
- * needed by the Blocker to be deleted.
- *
- * AUTHOR
- * Michael Mi
- * Email: michael.mi@sun.com
- ******************************************************************************/
-{
- if (!pBufferNode->hasAnything())
- {
- BufferNode* pParent = (BufferNode*)pBufferNode->getParent();
-
- /*
- * delete the XML data
- */
- if (pParent == m_pRootBufferNode)
- {
- bool bIsNotBlocking = (m_pCurrentBlockingBufferNode == NULL);
- bool bIsBlockInside = false;
- bool bIsBlockingAfterward = false;
-
- /*
- * If this is a blocker, then remove any out-element data
- * which caused by blocking. The removal process will stop
- * at the next blokcer to avoid removing any useful data.
- */
- if (bClearRoot)
- {
- cssu::Sequence< cssu::Reference< cssxw::XXMLElementWrapper > >
- aChildElements = collectChildWorkingElement(m_pRootBufferNode);
-
- /*
- * the clearUselessData only clearup the content in the
- * node, not the node itself.
- */
- m_xXMLDocument->clearUselessData(m_pRootBufferNode->getXMLElement(),
- aChildElements,
- bIsNotBlocking?(NULL):
- (m_pCurrentBlockingBufferNode->getXMLElement()));
-
- /*
- * remove the node if it is empty, then if its parent is also
- * empty, remove it, then if the next parent is also empty,
- * remove it,..., until parent become null.
- */
- m_xXMLDocument->collapse( m_pRootBufferNode->getXMLElement() );
- }
-
- /*
- * if blocking, check the relationship between this BufferNode and
- * the current blocking BufferNode.
- */
- if ( !bIsNotBlocking )
- {
- /*
- * the current blocking BufferNode is a descendant of this BufferNode.
- */
- bIsBlockInside = (NULL != pBufferNode->isAncestor(m_pCurrentBlockingBufferNode));
-
- /*
- * the current blocking BufferNode locates behind this BufferNode in tree
- * order.
- */
- bIsBlockingAfterward = pBufferNode->isPrevious(m_pCurrentBlockingBufferNode);
- }
-
- /*
- * this BufferNode's working element needs to be deleted only when
- * 1. there is no blocking, or
- * 2. the current blocking BufferNode is a descendant of this BufferNode,
- * (then in the BufferNode's working element, the useless data before the blocking
- * element should be deleted.) or
- * 3. the current blocking BufferNode is locates behind this BufferNode in tree,
- * (then the useless data between the blocking element and the working element
- * should be deleted.).
- * Otherwise, this working element should not be deleted.
- */
- if ( bIsNotBlocking || bIsBlockInside || bIsBlockingAfterward )
- {
- cssu::Sequence< cssu::Reference< cssxw::XXMLElementWrapper > >
- aChildElements = collectChildWorkingElement(pBufferNode);
-
- /*
- * the clearUselessData only clearup the content in the
- * node, not the node itself.
- */
- m_xXMLDocument->clearUselessData(pBufferNode->getXMLElement(),
- aChildElements,
- bIsBlockInside?(m_pCurrentBlockingBufferNode->getXMLElement()):
- (NULL));
-
- /*
- * remove the node if it is empty, then if its parent is also
- * empty, remove it, then if the next parent is also empty,
- * remove it,..., until parent become null.
- */
- m_xXMLDocument->collapse( pBufferNode->getXMLElement() );
- }
- }
-
- sal_Int32 nIndex = pParent->indexOfChild(pBufferNode);
-
- std::vector< const BufferNode* >* vChildren = pBufferNode->getChildren();
- pParent->removeChild(pBufferNode);
- pBufferNode->setParent(NULL);
-
- std::vector< const BufferNode * >::const_iterator ii = vChildren->begin();
- for( ; ii != vChildren->end(); ++ii )
- {
- ((BufferNode *)(*ii))->setParent(pParent);
- pParent->addChild(*ii, nIndex);
- nIndex++;
- }
-
- delete vChildren;
-
- /*
- * delete the BufferNode
- */
- delete pBufferNode;
- }
-}
-
-BufferNode* SAXEventKeeperImpl::findNextBlockingBufferNode(
- BufferNode* pStartBufferNode) const
-/****** SAXEventKeeperImpl/findNextBlockingBufferNode ************************
- *
- * NAME
- * findNextBlockingBufferNode -- finds the next blocking BufferNode
- * behind the particular BufferNode.
- *
- * SYNOPSIS
- * pBufferNode = findNextBlockingBufferNode( pStartBufferNode );
- *
- * FUNCTION
- * see NAME.
- *
- * INPUTS
- * pStartBufferNode - the BufferNode from where to search the next
- * blocking BufferNode.
- *
- * RESULT
- * pBufferNode - the next blocking BufferNode, or NULL if no such
- * BufferNode exists.
- *
- * AUTHOR
- * Michael Mi
- * Email: michael.mi@sun.com
- ******************************************************************************/
-{
- BufferNode* pNext = NULL;
-
- if (pStartBufferNode != NULL)
- {
- pNext = pStartBufferNode;
-
- while (NULL != (pNext = (BufferNode*)pNext->getNextNodeByTreeOrder()))
- {
- if (pNext->getBlocker() != NULL)
- {
- break;
- }
- }
- }
-
- return pNext;
-}
-
-void SAXEventKeeperImpl::diffuse(BufferNode* pBufferNode) const
-/****** SAXEventKeeperImpl/diffuse *******************************************
- *
- * NAME
- * diffuse -- diffuse the notification.
- *
- * SYNOPSIS
- * diffuse( pBufferNode );
- *
- * FUNCTION
- * diffuse the collecting completion notification from the specific
- * BufferNode along its parent link, until an ancestor which is not
- * completely received is met.
- *
- * INPUTS
- * pBufferNode - the BufferNode from which the notification will be
- * diffused.
- *
- * RESULT
- * empty
- *
- * AUTHOR
- * Michael Mi
- * Email: michael.mi@sun.com
- ******************************************************************************/
-{
- BufferNode* pParent = pBufferNode;
-
- while(pParent->isAllReceived())
- {
- pParent->elementCollectorNotify();
- pParent = (BufferNode*)pParent->getParent();
- }
-}
-
-void SAXEventKeeperImpl::releaseElementMarkBuffer()
-/****** SAXEventKeeperImpl/releaseElementMarkBuffer **************************
- *
- * NAME
- * releaseElementMarkBuffer -- releases useless ElementMarks
- *
- * SYNOPSIS
- * releaseElementMarkBuffer( );
- *
- * FUNCTION
- * releases each ElementMark in the releasing list
- * m_vReleasedElementMarkBuffers.
- * The operation differs between an ElementCollector and a Blocker.
- *
- * INPUTS
- * empty
- *
- * RESULT
- * empty
- *
- * AUTHOR
- * Michael Mi
- * Email: michael.mi@sun.com
- ******************************************************************************/
-{
- m_bIsReleasing = true;
- while (!m_vReleasedElementMarkBuffers.empty())
- {
- std::vector< sal_Int32 >::iterator pId = m_vReleasedElementMarkBuffers.begin();
- sal_Int32 nId = *pId;
- m_vReleasedElementMarkBuffers.erase( pId );
-
- ElementMark* pElementMark = findElementMarkBuffer(nId);
-
- if (pElementMark != NULL)
- {
- if (cssxc::sax::ElementMarkType_ELEMENTCOLLECTOR
- == pElementMark->getType())
- /*
- * it is a EC
- */
- {
- ElementCollector* pElementCollector = (ElementCollector*)pElementMark;
-
- cssxc::sax::ElementMarkPriority nPriority = pElementCollector->getPriority();
- bool bToModify = pElementCollector->getModify();
-
- /*
- * Delete the EC from the buffer node.
- */
- BufferNode* pBufferNode = pElementCollector->getBufferNode();
- pBufferNode->removeElementCollector(pElementCollector);
-
- if ( nPriority == cssxc::sax::ElementMarkPriority_BEFOREMODIFY)
- {
- pBufferNode->notifyBranch();
- }
-
- if (bToModify)
- {
- pBufferNode->notifyAncestor();
- }
-
- /*
- * delete the ElementMark
- */
- pElementCollector = NULL;
- pElementMark = NULL;
- removeElementMarkBuffer(nId);
-
- /*
- * delete the BufferNode
- */
- diffuse(pBufferNode);
- smashBufferNode(pBufferNode, false);
- }
- else
- /*
- * it is a Blocker
- */
- {
- /*
- * Delete the TH from the buffer node.
- */
- BufferNode *pBufferNode = pElementMark->getBufferNode();
- pBufferNode->setBlocker(NULL);
-
- /*
- * If there is a following handler and no blocking now, then
- * forward this event
- */
- if (m_pCurrentBlockingBufferNode == pBufferNode)
- {
- /*
- * Before forwarding, the next blocking point needs to be
- * found.
- */
- m_pCurrentBlockingBufferNode = findNextBlockingBufferNode(pBufferNode);
-
- /*
- * Forward the blocked events between these two STHs.
- */
- if (m_xNextHandler.is())
- {
- BufferNode* pTempCurrentBufferNode = m_pCurrentBufferNode;
- BufferNode* pTempCurrentBlockingBufferNode = m_pCurrentBlockingBufferNode;
-
- m_pCurrentBufferNode = pBufferNode;
- m_pCurrentBlockingBufferNode = NULL;
-
- m_bIsForwarding = true;
-
- m_xXMLDocument->generateSAXEvents(
- m_xNextHandler,
- this,
- pBufferNode->getXMLElement(),
- (pTempCurrentBlockingBufferNode == NULL)?NULL:(pTempCurrentBlockingBufferNode->getXMLElement()));
-
- m_bIsForwarding = false;
-
- m_pCurrentBufferNode = pTempCurrentBufferNode;
- if (m_pCurrentBlockingBufferNode == NULL)
- {
- m_pCurrentBlockingBufferNode = pTempCurrentBlockingBufferNode;
- }
- }
-
- if (m_pCurrentBlockingBufferNode == NULL &&
- m_xSAXEventKeeperStatusChangeListener.is())
- {
- m_xSAXEventKeeperStatusChangeListener->blockingStatusChanged(sal_False);
- }
- }
-
- /*
- * delete the ElementMark
- */
- pElementMark = NULL;
- removeElementMarkBuffer(nId);
-
- /*
- * delete the BufferNode
- */
- diffuse(pBufferNode);
- smashBufferNode(pBufferNode, true);
- }
- }
- }
-
- m_bIsReleasing = false;
-
- if (!m_pRootBufferNode->hasAnything() &&
- !m_pRootBufferNode->hasChildren() &&
- m_xSAXEventKeeperStatusChangeListener.is())
- {
- m_xSAXEventKeeperStatusChangeListener->bufferStatusChanged(sal_True);
- }
-}
-
-void SAXEventKeeperImpl::markElementMarkBuffer(sal_Int32 nId)
-/****** SAXEventKeeperImpl/markElementMarkBuffer *****************************
- *
- * NAME
- * markElementMarkBuffer -- marks an ElementMark to be released
- *
- * SYNOPSIS
- * markElementMarkBuffer( nId );
- *
- * FUNCTION
- * puts the ElementMark with the particular Id into the releasing list,
- * checks whether the releasing process is runing, if not then launch
- * this process.
- *
- * INPUTS
- * nId - the Id of the ElementMark which will be released
- *
- * RESULT
- * empty
- *
- * AUTHOR
- * Michael Mi
- * Email: michael.mi@sun.com
- ******************************************************************************/
-{
- m_vReleasedElementMarkBuffers.push_back( nId );
- if ( !m_bIsReleasing )
- {
- releaseElementMarkBuffer();
- }
-}
-
-sal_Int32 SAXEventKeeperImpl::createElementCollector(
- sal_Int32 nSecurityId,
- cssxc::sax::ElementMarkPriority nPriority,
- bool bModifyElement,
- const cssu::Reference< cssxc::sax::XReferenceResolvedListener >& xReferenceResolvedListener)
-/****** SAXEventKeeperImpl/createElementCollector ****************************
- *
- * NAME
- * createElementCollector -- creates a new ElementCollector on the
- * incoming element.
- *
- * SYNOPSIS
- * nId = createElementCollector( nSecurityId, nPriority,
- * bModifyElement,
- * xReferenceResolvedListener );
- *
- * FUNCTION
- * allocs a new Id, then create an ElementCollector with this Id value.
- * Add the new created ElementCollector to the new ElementCollecotor list.
- *
- * INPUTS
- * nSecurityId - the security Id of the new ElementCollector
- * nPriority - the prirority of the new ElementCollector
- * bModifyElement -whether this BufferNode will modify the content of
- * the corresponding element it works on
- * xReferenceResolvedListener - the listener for the new ElementCollector.
- *
- * RESULT
- * nId - the Id of the new ElementCollector
- *
- * AUTHOR
- * Michael Mi
- * Email: michael.mi@sun.com
- ******************************************************************************/
-{
- sal_Int32 nId = m_nNextElementMarkId;
- m_nNextElementMarkId ++;
-
- ElementCollector* pElementCollector
- = new ElementCollector(
- nSecurityId,
- nId,
- nPriority,
- bModifyElement,
- xReferenceResolvedListener);
-
- m_vElementMarkBuffers.push_back( pElementCollector );
-
- /*
- * All the new EC to initial EC array.
- */
- m_vNewElementCollectors.push_back( pElementCollector );
-
- return nId;
-}
-
-
-sal_Int32 SAXEventKeeperImpl::createBlocker(sal_Int32 nSecurityId)
-/****** SAXEventKeeperImpl/createBlocker *************************************
- *
- * NAME
- * createBlocker -- creates a new Blocker on the incoming element.
- *
- * SYNOPSIS
- * nId = createBlocker( nSecurityId );
- *
- * FUNCTION
- * see NAME.
- *
- * INPUTS
- * nSecurityId - the security Id of the new Blocker
- *
- * RESULT
- * nId - the Id of the new Blocker
- *
- * AUTHOR
- * Michael Mi
- * Email: michael.mi@sun.com
- ******************************************************************************/
-{
- sal_Int32 nId = m_nNextElementMarkId;
- m_nNextElementMarkId ++;
-
- OSL_ASSERT(m_pNewBlocker == NULL);
-
- m_pNewBlocker = new ElementMark(nSecurityId, nId);
- m_vElementMarkBuffers.push_back( m_pNewBlocker );
-
- return nId;
-}
-
-/* XSAXEventKeeper */
-sal_Int32 SAL_CALL SAXEventKeeperImpl::addElementCollector( )
- throw (cssu::RuntimeException)
-{
- return createElementCollector(
- cssxc::sax::ConstOfSecurityId::UNDEFINEDSECURITYID,
- cssxc::sax::ElementMarkPriority_AFTERMODIFY,
- false,
- NULL);
-}
-
-void SAL_CALL SAXEventKeeperImpl::removeElementCollector( sal_Int32 id )
- throw (cssu::RuntimeException)
-{
- markElementMarkBuffer(id);
-}
-
-sal_Int32 SAL_CALL SAXEventKeeperImpl::addBlocker( )
- throw (cssu::RuntimeException)
-{
- return createBlocker(cssxc::sax::ConstOfSecurityId::UNDEFINEDSECURITYID);
-}
-
-void SAL_CALL SAXEventKeeperImpl::removeBlocker( sal_Int32 id )
- throw (cssu::RuntimeException)
-{
- markElementMarkBuffer(id);
-}
-
-sal_Bool SAL_CALL SAXEventKeeperImpl::isBlocking( )
- throw (cssu::RuntimeException)
-{
- return (m_pCurrentBlockingBufferNode != NULL);
-}
-
-cssu::Reference< cssxw::XXMLElementWrapper > SAL_CALL
- SAXEventKeeperImpl::getElement( sal_Int32 id )
- throw (cssu::RuntimeException)
-{
- cssu::Reference< cssxw::XXMLElementWrapper > rc;
-
- ElementMark* pElementMark = findElementMarkBuffer(id);
- if (pElementMark != NULL)
- {
- rc = pElementMark->getBufferNode()->getXMLElement();
- }
-
- return rc;
-}
-
-void SAL_CALL SAXEventKeeperImpl::setElement(
- sal_Int32 id,
- const cssu::Reference< cssxw::XXMLElementWrapper >& aElement )
- throw (cssu::RuntimeException)
-{
- if (aElement.is())
- {
- m_xXMLDocument->rebuildIDLink(aElement);
-
- ElementMark* pElementMark = findElementMarkBuffer(id);
-
- if (pElementMark != NULL)
- {
- BufferNode* pBufferNode = pElementMark->getBufferNode();
- if (pBufferNode != NULL)
- {
- bool bIsCurrent = m_xXMLDocument->isCurrent(pBufferNode->getXMLElement());
- pBufferNode->setXMLElement(aElement);
-
- if (bIsCurrent)
- {
- m_xXMLDocument->setCurrentElement(aElement);
- }
- }
- }
- }
- else
- {
- removeElementCollector( id );
- }
-}
-
-cssu::Reference< cssxs::XDocumentHandler > SAL_CALL SAXEventKeeperImpl::setNextHandler(
- const cssu::Reference< cssxs::XDocumentHandler >& xNewHandler )
- throw (cssu::RuntimeException)
-{
- cssu::Reference< cssxs::XDocumentHandler > xOldHandler = m_xNextHandler;
-
- m_xNextHandler = xNewHandler;
- return xOldHandler;
-}
-
-rtl::OUString SAL_CALL SAXEventKeeperImpl::printBufferNodeTree()
- throw (cssu::RuntimeException)
-{
- rtl::OUString rc;
-
- rc += rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "ElementMarkBuffers: size = " ));
- rc += rtl::OUString::valueOf((sal_Int32)m_vElementMarkBuffers.size());
- rc += rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "\nCurrentBufferNode: " ));
- rc += m_xXMLDocument->getNodeName(m_pCurrentBufferNode->getXMLElement());
- rc += rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "\n" ));
- rc += printBufferNode(m_pRootBufferNode, 0);
-
- return rc;
-}
-
-cssu::Reference< cssxw::XXMLElementWrapper > SAL_CALL SAXEventKeeperImpl::getCurrentBlockingNode()
- throw (cssu::RuntimeException)
-{
- cssu::Reference< cssxw::XXMLElementWrapper > rc;
-
- if (m_pCurrentBlockingBufferNode != NULL)
- {
- rc = m_pCurrentBlockingBufferNode->getXMLElement();
- }
-
- return rc;
-}
-
-/* XSecuritySAXEventKeeper */
-sal_Int32 SAL_CALL SAXEventKeeperImpl::addSecurityElementCollector(
- cssxc::sax::ElementMarkPriority priority,
- sal_Bool modifyElement )
- throw (cssu::RuntimeException)
-{
- return createElementCollector(
- cssxc::sax::ConstOfSecurityId::UNDEFINEDSECURITYID,
- priority,
- modifyElement,
- NULL);
-}
-
-sal_Int32 SAL_CALL SAXEventKeeperImpl::cloneElementCollector(
- sal_Int32 referenceId,
- cssxc::sax::ElementMarkPriority priority )
- throw (cssu::RuntimeException)
-{
- sal_Int32 nId = -1;
-
- ElementCollector* pElementCollector = (ElementCollector*)findElementMarkBuffer(referenceId);
- if (pElementCollector != NULL)
- {
- nId = m_nNextElementMarkId;
- m_nNextElementMarkId ++;
-
- ElementCollector* pClonedOne
- = pElementCollector->clone(nId, priority);
-
- /*
- * add this EC into the security data buffer array.
- */
- m_vElementMarkBuffers.push_back(pClonedOne);
-
- /*
- * If the reference EC is still in initial EC array, add
- * this cloned one into the initial EC array too.
- */
- if (pElementCollector->getBufferNode() == NULL)
- {
- m_vNewElementCollectors.push_back(pClonedOne);
- }
- }
-
- return nId;
-}
-
-void SAL_CALL SAXEventKeeperImpl::setSecurityId( sal_Int32 id, sal_Int32 securityId )
- throw (cssu::RuntimeException)
-{
- ElementMark* pElementMark = findElementMarkBuffer(id);
- if (pElementMark != NULL)
- {
- pElementMark->setSecurityId(securityId);
- }
-}
-
-
-/* XReferenceResolvedBroadcaster */
-void SAL_CALL SAXEventKeeperImpl::addReferenceResolvedListener(
- sal_Int32 referenceId,
- const cssu::Reference< cssxc::sax::XReferenceResolvedListener >& listener )
- throw (cssu::RuntimeException)
-{
- ElementCollector* pElementCollector = (ElementCollector*)findElementMarkBuffer(referenceId);
- if (pElementCollector != NULL)
- {
- pElementCollector->setReferenceResolvedListener(listener);
- }
-}
-
-void SAL_CALL SAXEventKeeperImpl::removeReferenceResolvedListener(
- sal_Int32 /*referenceId*/,
- const cssu::Reference< cssxc::sax::XReferenceResolvedListener >&)
- throw (cssu::RuntimeException)
-{
-}
-
-/* XSAXEventKeeperStatusChangeBroadcaster */
-void SAL_CALL SAXEventKeeperImpl::addSAXEventKeeperStatusChangeListener(
- const cssu::Reference< cssxc::sax::XSAXEventKeeperStatusChangeListener >& listener )
- throw (cssu::RuntimeException)
-{
- m_xSAXEventKeeperStatusChangeListener = listener;
-}
-
-void SAL_CALL SAXEventKeeperImpl::removeSAXEventKeeperStatusChangeListener(
- const cssu::Reference< cssxc::sax::XSAXEventKeeperStatusChangeListener >&)
- throw (cssu::RuntimeException)
-{
-}
-
-/* XDocumentHandler */
-void SAL_CALL SAXEventKeeperImpl::startDocument( )
- throw (cssxs::SAXException, cssu::RuntimeException)
-{
- if ( m_xNextHandler.is())
- {
- m_xNextHandler->startDocument();
- }
-}
-
-void SAL_CALL SAXEventKeeperImpl::endDocument( )
- throw (cssxs::SAXException, cssu::RuntimeException)
-{
- if ( m_xNextHandler.is())
- {
- m_xNextHandler->endDocument();
- }
-}
-
-void SAL_CALL SAXEventKeeperImpl::startElement(
- const rtl::OUString& aName,
- const cssu::Reference< cssxs::XAttributeList >& xAttribs )
- throw (cssxs::SAXException, cssu::RuntimeException)
-{
- /*
- * If there is a following handler and no blocking now, then
- * forward this event
- */
- if ((m_pCurrentBlockingBufferNode == NULL) &&
- (m_xNextHandler.is()) &&
- (!m_bIsForwarding) &&
- (m_pNewBlocker == NULL))
- {
- m_xNextHandler->startElement(aName, xAttribs);
- }
-
- /*
- * If not forwarding, buffer this startElement.
- */
- if (!m_bIsForwarding)
- {
- #ifndef _USECOMPRESSEDDOCUMENTHANDLER
- m_xDocumentHandler->startElement(aName, xAttribs);
- #else
- sal_Int32 nLength = xAttribs->getLength();
- cssu::Sequence< cssxcsax::XMLAttribute > aAttributes (nLength);
-
- for ( int i = 0; i<nLength; ++i )
- {
- aAttributes[i].sName = xAttribs->getNameByIndex((short)i);
- aAttributes[i].sValue =xAttribs->getValueByIndex((short)i);
- }
-
- m_xCompressedDocumentHandler->_startElement(aName, aAttributes);
- #endif
-
- }
-
- BufferNode* pBufferNode = addNewElementMarkBuffers();
- if (pBufferNode != NULL)
- {
- setCurrentBufferNode(pBufferNode);
- }
-}
-
-void SAL_CALL SAXEventKeeperImpl::endElement( const rtl::OUString& aName )
- throw (cssxs::SAXException, cssu::RuntimeException)
-{
- sal_Bool bIsCurrent = m_xXMLDocument->isCurrent(m_pCurrentBufferNode->getXMLElement());
-
- /*
- * If there is a following handler and no blocking now, then
- * forward this event
- */
- if ((m_pCurrentBlockingBufferNode == NULL) &&
- (m_xNextHandler.is()) &&
- (!m_bIsForwarding))
- {
- m_xNextHandler->endElement(aName);
- }
-
- if ((m_pCurrentBlockingBufferNode != NULL) ||
- (m_pCurrentBufferNode != m_pRootBufferNode) ||
- (!m_xXMLDocument->isCurrentElementEmpty()))
- {
- if (!m_bIsForwarding)
- {
- #ifndef _USECOMPRESSEDDOCUMENTHANDLER
- m_xDocumentHandler->endElement(aName);
- #else
- m_xCompressedDocumentHandler->_endElement(aName);
- #endif
- }
-
- /*
- * If the current buffer node has not notified yet, and
- * the current buffer node is waiting for the current element,
- * then let it notify.
- */
- if (bIsCurrent && (m_pCurrentBufferNode != m_pRootBufferNode))
- {
- BufferNode* pOldCurrentBufferNode = m_pCurrentBufferNode;
- m_pCurrentBufferNode = (BufferNode*)m_pCurrentBufferNode->getParent();
-
- pOldCurrentBufferNode->setReceivedAll();
-
- if ((m_pCurrentBufferNode == m_pRootBufferNode) &&
- m_xSAXEventKeeperStatusChangeListener.is())
- {
- m_xSAXEventKeeperStatusChangeListener->collectionStatusChanged(sal_False);
- }
- }
- }
- else
- {
- if (!m_bIsForwarding)
- {
- m_xXMLDocument->removeCurrentElement();
- }
- }
-}
-
-void SAL_CALL SAXEventKeeperImpl::characters( const rtl::OUString& aChars )
- throw (cssxs::SAXException, cssu::RuntimeException)
-{
- if (!m_bIsForwarding)
- {
- if ((m_pCurrentBlockingBufferNode == NULL) && m_xNextHandler.is())
- {
- m_xNextHandler->characters(aChars);
- }
-
- if ((m_pCurrentBlockingBufferNode != NULL) ||
- (m_pCurrentBufferNode != m_pRootBufferNode))
- {
- #ifndef _USECOMPRESSEDDOCUMENTHANDLER
- m_xDocumentHandler->characters(aChars);
- #else
- m_xCompressedDocumentHandler->_characters(aChars);
- #endif
- }
- }
-}
-
-void SAL_CALL SAXEventKeeperImpl::ignorableWhitespace( const rtl::OUString& aWhitespaces )
- throw (cssxs::SAXException, cssu::RuntimeException)
-{
- characters( aWhitespaces );
-}
-
-void SAL_CALL SAXEventKeeperImpl::processingInstruction(
- const rtl::OUString& aTarget, const rtl::OUString& aData )
- throw (cssxs::SAXException, cssu::RuntimeException)
-{
- if (!m_bIsForwarding)
- {
- if ((m_pCurrentBlockingBufferNode == NULL) && m_xNextHandler.is())
- {
- m_xNextHandler->processingInstruction(aTarget, aData);
- }
-
- if ((m_pCurrentBlockingBufferNode != NULL) ||
- (m_pCurrentBufferNode != m_pRootBufferNode))
- {
- #ifndef _USECOMPRESSEDDOCUMENTHANDLER
- m_xDocumentHandler->processingInstruction(aTarget, aData);
- #else
- m_xCompressedDocumentHandler->_processingInstruction(aTarget, aData);
- #endif
- }
- }
-}
-
-void SAL_CALL SAXEventKeeperImpl::setDocumentLocator( const cssu::Reference< cssxs::XLocator >&)
- throw (cssxs::SAXException, cssu::RuntimeException)
-{
-}
-
-/* XInitialization */
-void SAL_CALL SAXEventKeeperImpl::initialize( const cssu::Sequence< cssu::Any >& aArguments )
- throw (cssu::Exception, cssu::RuntimeException)
-{
- OSL_ASSERT(aArguments.getLength() == 1);
-
- aArguments[0] >>= m_xXMLDocument;
- m_xDocumentHandler = cssu::Reference< cssxs::XDocumentHandler >(
- m_xXMLDocument, cssu::UNO_QUERY );
- m_xCompressedDocumentHandler = cssu::Reference< cssxcsax::XCompressedDocumentHandler >(
- m_xXMLDocument, cssu::UNO_QUERY );
-
- m_pRootBufferNode = new BufferNode(m_xXMLDocument->getCurrentElement());
- m_pCurrentBufferNode = m_pRootBufferNode;
-}
-
-rtl::OUString SAXEventKeeperImpl_getImplementationName ()
- throw (cssu::RuntimeException)
-{
- return rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( IMPLEMENTATION_NAME ) );
-}
-
-sal_Bool SAL_CALL SAXEventKeeperImpl_supportsService( const rtl::OUString& ServiceName )
- throw (cssu::RuntimeException)
-{
- return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ));
-}
-
-cssu::Sequence< rtl::OUString > SAL_CALL SAXEventKeeperImpl_getSupportedServiceNames( )
- throw (cssu::RuntimeException)
-{
- cssu::Sequence < rtl::OUString > aRet(1);
- rtl::OUString* pArray = aRet.getArray();
- pArray[0] = rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
- return aRet;
-}
-#undef SERVICE_NAME
-
-cssu::Reference< cssu::XInterface > SAL_CALL SAXEventKeeperImpl_createInstance(
- const cssu::Reference< cssl::XMultiServiceFactory > &)
- throw( cssu::Exception )
-{
- return (cppu::OWeakObject*) new SAXEventKeeperImpl();
-}
-
-/* XServiceInfo */
-rtl::OUString SAL_CALL SAXEventKeeperImpl::getImplementationName( )
- throw (cssu::RuntimeException)
-{
- return SAXEventKeeperImpl_getImplementationName();
-}
-sal_Bool SAL_CALL SAXEventKeeperImpl::supportsService( const rtl::OUString& rServiceName )
- throw (cssu::RuntimeException)
-{
- return SAXEventKeeperImpl_supportsService( rServiceName );
-}
-cssu::Sequence< rtl::OUString > SAL_CALL SAXEventKeeperImpl::getSupportedServiceNames( )
- throw (cssu::RuntimeException)
-{
- return SAXEventKeeperImpl_getSupportedServiceNames();
-}
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */