337 lines
11 KiB
C++
337 lines
11 KiB
C++
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/*************************************************************************
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*
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* $RCSfile: DomExport.cxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: obo $ $Date: 2004-11-16 10:06:44 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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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 2000 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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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#include "DomExport.hxx"
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#include "nmspmap.hxx"
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#include "xmlexp.hxx"
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#include "xmlerror.hxx"
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#include <com/sun/star/lang/XMultiServiceFactory.hpp>
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#include <com/sun/star/uno/Reference.hxx>
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#include <com/sun/star/uno/Sequence.hxx>
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#include <com/sun/star/xml/dom/XAttr.hpp>
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#include <com/sun/star/xml/dom/XDocumentBuilder.hpp>
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#include <com/sun/star/xml/dom/XNode.hpp>
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#include <com/sun/star/xml/dom/XElement.hpp>
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#include <com/sun/star/xml/dom/XEntity.hpp>
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#include <com/sun/star/xml/dom/XNotation.hpp>
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#include <com/sun/star/xml/sax/XAttributeList.hpp>
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#include <com/sun/star/xml/dom/NodeType.hpp>
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#include <com/sun/star/xml/dom/XNamedNodeMap.hpp>
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#include <rtl/ustring.hxx>
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#include <rtl/ustrbuf.hxx>
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#include <tools/debug.hxx>
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#include <unotools/processfactory.hxx>
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#include <vector>
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using com::sun::star::lang::XMultiServiceFactory;
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using com::sun::star::uno::Reference;
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using com::sun::star::uno::Sequence;
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using com::sun::star::uno::UNO_QUERY;
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using com::sun::star::uno::UNO_QUERY_THROW;
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using std::vector;
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using namespace com::sun::star::xml::dom;
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using rtl::OUString;
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using rtl::OUStringBuffer;
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class DomVisitor
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{
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public:
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DomVisitor() {}
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virtual ~DomVisitor() {}
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virtual void element( const Reference<XElement>& ) {}
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virtual void character( const Reference<XCharacterData>& ) {}
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virtual void attribute( const Reference<XAttr>& ) {}
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virtual void cdata( const Reference<XCDATASection>& ) {}
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virtual void comment( const Reference<XComment>& ) {}
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virtual void documentFragment( const Reference<XDocumentFragment>& ) {}
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virtual void document( const Reference<XDocument>& ) {}
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virtual void documentType( const Reference<XDocumentType>& ) {}
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virtual void entity( const Reference<XEntity>& ) {}
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virtual void entityReference( const Reference<XEntityReference>& ) {}
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virtual void notation( const Reference<XNotation>& ) {}
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virtual void processingInstruction( const Reference<XProcessingInstruction>& ) {}
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virtual void endElement( const Reference<XElement>& ) {}
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};
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void visit( DomVisitor&, const Reference<XDocument>& );
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void visit( DomVisitor&, const Reference<XNode>& );
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void visitNode( DomVisitor& rVisitor, const Reference<XNode>& xNode )
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{
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switch( xNode->getNodeType() )
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{
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case NodeType_ATTRIBUTE_NODE:
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rVisitor.attribute( Reference<XAttr>( xNode, UNO_QUERY_THROW ) );
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break;
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case NodeType_CDATA_SECTION_NODE:
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rVisitor.cdata( Reference<XCDATASection>( xNode, UNO_QUERY_THROW ) );
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break;
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case NodeType_COMMENT_NODE:
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rVisitor.comment( Reference<XComment>( xNode, UNO_QUERY_THROW ) );
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break;
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case NodeType_DOCUMENT_FRAGMENT_NODE:
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rVisitor.documentFragment( Reference<XDocumentFragment>( xNode, UNO_QUERY_THROW ) );
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break;
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case NodeType_DOCUMENT_NODE:
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rVisitor.document( Reference<XDocument>( xNode, UNO_QUERY_THROW ) );
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break;
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case NodeType_DOCUMENT_TYPE_NODE:
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rVisitor.documentType( Reference<XDocumentType>( xNode, UNO_QUERY_THROW ) );
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break;
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case NodeType_ELEMENT_NODE:
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rVisitor.element( Reference<XElement>( xNode, UNO_QUERY_THROW ) );
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break;
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case NodeType_ENTITY_NODE:
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rVisitor.entity( Reference<XEntity>( xNode, UNO_QUERY_THROW ) );
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break;
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case NodeType_ENTITY_REFERENCE_NODE:
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rVisitor.entityReference( Reference<XEntityReference>( xNode, UNO_QUERY_THROW ) );
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break;
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case NodeType_NOTATION_NODE:
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rVisitor.notation( Reference<XNotation>( xNode, UNO_QUERY_THROW ) );
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break;
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case NodeType_PROCESSING_INSTRUCTION_NODE:
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rVisitor.processingInstruction( Reference<XProcessingInstruction>( xNode, UNO_QUERY_THROW ) );
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break;
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case NodeType_TEXT_NODE:
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rVisitor.character( Reference<XCharacterData>( xNode, UNO_QUERY_THROW ) );
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break;
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default:
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DBG_ERROR( "unknown DOM node type" );
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break;
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}
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}
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void visit( DomVisitor& rVisitor, const Reference<XDocument>& xDocument )
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{
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visit( rVisitor, Reference<XNode>( xDocument, UNO_QUERY_THROW ) );
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}
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void visit( DomVisitor& rVisitor, const Reference<XNode>& xNode )
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{
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visitNode( rVisitor, xNode );
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for( Reference<XNode> xChild = xNode->getFirstChild();
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xChild.is();
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xChild = xChild->getNextSibling() )
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{
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visit( rVisitor, xChild );
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}
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if( xNode->getNodeType() == NodeType_ELEMENT_NODE )
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rVisitor.endElement( Reference<XElement>( xNode, UNO_QUERY_THROW ) );
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}
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class DomExport: public DomVisitor
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{
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SvXMLExport& mrExport;
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vector<SvXMLNamespaceMap> maNamespaces;
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void pushNamespace();
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void popNamespace();
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void addNamespace( const OUString& sPrefix, const OUString& sURI );
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OUString qualifiedName( const OUString& sPrefix, const OUString& sURI,
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const OUString& sLocalName );
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OUString qualifiedName( const Reference<XNode>& );
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OUString qualifiedName( const Reference<XElement>& );
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OUString qualifiedName( const Reference<XAttr>& );
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void addAttribute( const Reference<XAttr>& );
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public:
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DomExport( SvXMLExport& rExport );
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virtual ~DomExport();
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virtual void element( const Reference<XElement>& );
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virtual void endElement( const Reference<XElement>& );
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virtual void character( const Reference<XCharacterData>& );
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};
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DomExport::DomExport( SvXMLExport& rExport ) :
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mrExport( rExport )
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{
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maNamespaces.push_back( rExport.GetNamespaceMap() );
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}
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DomExport::~DomExport()
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{
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DBG_ASSERT( maNamespaces.size() == 1, "namespace missing" );
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maNamespaces.clear();
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}
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void DomExport::pushNamespace()
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{
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maNamespaces.push_back( maNamespaces.back() );
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}
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void DomExport::popNamespace()
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{
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maNamespaces.pop_back();
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}
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void DomExport::addNamespace( const OUString& sPrefix, const OUString& sURI )
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{
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SvXMLNamespaceMap& rMap = maNamespaces.back();
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sal_uInt16 nKey = rMap.GetKeyByPrefix( sPrefix );
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// we need to register the namespace, if either the prefix isn't known or
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// is used for a different namespace
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if( nKey == XML_NAMESPACE_UNKNOWN ||
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rMap.GetNameByKey( nKey ) != sURI )
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{
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// add prefix to map, and add declaration
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rMap.Add( sPrefix, sURI );
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mrExport.AddAttribute(
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OUString( RTL_CONSTASCII_USTRINGPARAM( "xmlns:" ) ) + sPrefix,
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sURI );
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}
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}
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OUString DomExport::qualifiedName( const OUString& sPrefix,
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const OUString& sURI,
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const OUString& sLocalName )
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{
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OUStringBuffer sBuffer;
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if( ( sPrefix.getLength() > 0 ) && ( sURI.getLength() > 0 ) )
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{
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addNamespace( sPrefix, sURI );
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sBuffer.append( sPrefix );
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sBuffer.append( sal_Unicode( ':' ) );
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}
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sBuffer.append( sLocalName );
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return sBuffer.makeStringAndClear();
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}
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OUString DomExport::qualifiedName( const Reference<XNode>& xNode )
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{
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return qualifiedName( xNode->getPrefix(), xNode->getNamespaceURI(),
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xNode->getNodeName() );
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}
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OUString DomExport::qualifiedName( const Reference<XElement>& xElement )
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{
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return qualifiedName( xElement->getPrefix(), xElement->getNamespaceURI(),
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xElement->getNodeName() );
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}
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OUString DomExport::qualifiedName( const Reference<XAttr>& xAttr )
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{
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return qualifiedName( xAttr->getPrefix(), xAttr->getNamespaceURI(),
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xAttr->getNodeName() );
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}
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void DomExport::addAttribute( const Reference<XAttr>& xAttribute )
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{
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mrExport.AddAttribute( qualifiedName( xAttribute ),
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xAttribute->getNodeValue() );
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}
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void DomExport::element( const Reference<XElement>& xElement )
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{
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pushNamespace();
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// write attributes
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Reference<XNamedNodeMap> xAttributes = xElement->getAttributes();
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sal_Int32 nLength = xAttributes.is() ? xAttributes->getLength() : 0;
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for( sal_Int32 n = 0; n < nLength; n++ )
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{
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addAttribute( Reference<XAttr>( xAttributes->item( n ), UNO_QUERY_THROW ) );
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}
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// write name
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mrExport.StartElement( qualifiedName( xElement ), sal_False );
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}
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void DomExport::endElement( const Reference<XElement>& xElement )
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{
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mrExport.EndElement( qualifiedName( xElement ), sal_False );
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popNamespace();
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}
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void DomExport::character( const Reference<XCharacterData>& xChars )
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{
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mrExport.Characters( xChars->getNodeValue() );
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}
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void exportDom( SvXMLExport& rExport, const Reference<XDocument>& xDocument )
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{
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DomExport aDomExport( rExport );
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visit( aDomExport, xDocument );
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}
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void exportDom( SvXMLExport& rExport, const Reference<XNode>& xNode )
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{
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DomExport aDomExport( rExport );
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visit( aDomExport, xNode );
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}
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