130 lines
4.6 KiB
C++
130 lines
4.6 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: serialization_app_xml.cxx,v $
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*
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* $Revision: 1.5 $
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*
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* last change: $Author: obo $ $Date: 2006-09-17 00:07:02 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_forms.hxx"
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#include "serialization.hxx"
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#include "serialization_app_xml.hxx"
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#include <unotools/processfactory.hxx>
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#include <com/sun/star/xml/dom/XNode.hpp>
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#include <com/sun/star/xml/dom/XDocument.hpp>
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#include <com/sun/star/xml/dom/XNodeList.hpp>
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#include <com/sun/star/xml/dom/NodeType.hpp>
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#include <com/sun/star/lang/XUnoTunnel.hpp>
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#include <com/sun/star/xml/xpath/XPathObjectType.hpp>
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#include <libxml/tree.h>
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CSerializationAppXML::CSerializationAppXML()
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: m_aFactory(utl::getProcessServiceFactory())
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, m_aPipe(CSS::uno::Reference< CSS::io::XOutputStream > (m_aFactory->createInstance(
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rtl::OUString::createFromAscii("com.sun.star.io.Pipe")), CSS::uno::UNO_QUERY))
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{
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OSL_ENSURE(m_aPipe.is(), "cannot create Pipe");
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}
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CSS::uno::Reference< CSS::io::XInputStream >
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CSerializationAppXML::getInputStream()
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{
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// The pipes output is provided through it's
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// XOutputStream interface aspect
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return CSS::uno::Reference< CSS::io::XInputStream >(m_aPipe, CSS::uno::UNO_QUERY);
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}
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void
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CSerializationAppXML::serialize_node(const CSS::uno::Reference< CSS::xml::dom::XNode >& rNode)
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{
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CSS::uno::Reference< CSS::xml::dom::XNode > aNode = rNode;
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if (aNode->getNodeType() == CSS::xml::dom::NodeType_DOCUMENT_NODE)
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{
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CSS::uno::Reference< CSS::xml::dom::XDocument > aDoc(rNode, CSS::uno::UNO_QUERY_THROW);
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aNode = CSS::uno::Reference< CSS::xml::dom::XNode >(aDoc->getDocumentElement(), CSS::uno::UNO_QUERY_THROW);
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}
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if (aNode->getNodeType() != CSS::xml::dom::NodeType_ELEMENT_NODE)
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return;
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// clone the node to a new document and serialize that document
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CSS::uno::Reference< CSS::lang::XUnoTunnel > aTunnel(aNode, CSS::uno::UNO_QUERY);
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if (aTunnel.is())
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{
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xmlNodePtr aNodePtr = reinterpret_cast< xmlNodePtr >( aTunnel->getSomething(CSS::uno::Sequence< sal_Int8 >()) );
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xmlDocPtr aDocPtr = xmlNewDoc((xmlChar*)"1.0");
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xmlNodePtr aDocNodePtr = xmlDocCopyNode(aNodePtr, aDocPtr, 1);
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if (aDocNodePtr != NULL) {
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xmlAddChild((xmlNodePtr)aDocPtr, aDocNodePtr);
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xmlChar *buffer = NULL;
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sal_Int32 size = 0;
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xmlDocDumpMemory(aDocPtr, &buffer, (int*)&size);
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// write the xml into the pipe through it's XOutputStream interface
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m_aPipe->writeBytes(CSS::uno::Sequence< sal_Int8 >((sal_Int8*)buffer, size));
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xmlFree(buffer);
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}
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} else {
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// can't get tunnel to native backend
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// logic for generic implementation could be implemented here...
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OSL_ENSURE(sal_False, "unkown dom implementation, cannot serialize");
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return;
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}
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}
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/*
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void
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CSerializationAppXML::serialize_nodeset()
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{
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CSS::uno::Reference< CSS::xml::dom::XNodeList > aNodeList = m_aXPathObject->getNodeList();
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for (sal_Int32 i=0; i<aNodeList->getLength(); i++)
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serialize_node(aNodeList->item(i));
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m_aPipe->closeOutput();
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}
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*/
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void
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CSerializationAppXML::serialize()
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{
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if (!m_aFragment.is()) return;
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CSS::uno::Reference< CSS::xml::dom::XNode > cur = m_aFragment->getFirstChild();
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while (cur.is())
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{
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serialize_node(cur);
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cur = cur->getNextSibling();
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}
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m_aPipe->closeOutput();
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}
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