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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_xmloff.hxx"
#include "DomExport.hxx"
#include <xmloff/nmspmap.hxx>
#include <xmloff/xmlexp.hxx>
#include "xmloff/xmlerror.hxx"
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/xml/dom/XAttr.hpp>
#include <com/sun/star/xml/dom/XDocumentBuilder.hpp>
#include <com/sun/star/xml/dom/XNode.hpp>
#include <com/sun/star/xml/dom/XElement.hpp>
#include <com/sun/star/xml/dom/XEntity.hpp>
#include <com/sun/star/xml/dom/XNotation.hpp>
#include <com/sun/star/xml/sax/XAttributeList.hpp>
#include <com/sun/star/xml/dom/NodeType.hpp>
#include <com/sun/star/xml/dom/XNamedNodeMap.hpp>
#include <rtl/ustring.hxx>
#include <rtl/ustrbuf.hxx>
#include <tools/debug.hxx>
#include <unotools/processfactory.hxx>
#include <vector>
using com::sun::star::lang::XMultiServiceFactory;
using com::sun::star::uno::Reference;
using com::sun::star::uno::Sequence;
using com::sun::star::uno::UNO_QUERY;
using com::sun::star::uno::UNO_QUERY_THROW;
using std::vector;
using namespace com::sun::star::xml::dom;
using rtl::OUString;
using rtl::OUStringBuffer;
class DomVisitor
{
public:
DomVisitor() {}
virtual ~DomVisitor() {}
virtual void element( const Reference<XElement>& ) {}
virtual void character( const Reference<XCharacterData>& ) {}
virtual void attribute( const Reference<XAttr>& ) {}
virtual void cdata( const Reference<XCDATASection>& ) {}
virtual void comment( const Reference<XComment>& ) {}
virtual void documentFragment( const Reference<XDocumentFragment>& ) {}
virtual void document( const Reference<XDocument>& ) {}
virtual void documentType( const Reference<XDocumentType>& ) {}
virtual void entity( const Reference<XEntity>& ) {}
virtual void entityReference( const Reference<XEntityReference>& ) {}
virtual void notation( const Reference<XNotation>& ) {}
virtual void processingInstruction( const Reference<XProcessingInstruction>& ) {}
virtual void endElement( const Reference<XElement>& ) {}
};
void visit( DomVisitor&, const Reference<XDocument>& );
void visit( DomVisitor&, const Reference<XNode>& );
void visitNode( DomVisitor& rVisitor, const Reference<XNode>& xNode )
{
switch( xNode->getNodeType() )
{
case NodeType_ATTRIBUTE_NODE:
rVisitor.attribute( Reference<XAttr>( xNode, UNO_QUERY_THROW ) );
break;
case NodeType_CDATA_SECTION_NODE:
rVisitor.cdata( Reference<XCDATASection>( xNode, UNO_QUERY_THROW ) );
break;
case NodeType_COMMENT_NODE:
rVisitor.comment( Reference<XComment>( xNode, UNO_QUERY_THROW ) );
break;
case NodeType_DOCUMENT_FRAGMENT_NODE:
rVisitor.documentFragment( Reference<XDocumentFragment>( xNode, UNO_QUERY_THROW ) );
break;
case NodeType_DOCUMENT_NODE:
rVisitor.document( Reference<XDocument>( xNode, UNO_QUERY_THROW ) );
break;
case NodeType_DOCUMENT_TYPE_NODE:
rVisitor.documentType( Reference<XDocumentType>( xNode, UNO_QUERY_THROW ) );
break;
case NodeType_ELEMENT_NODE:
rVisitor.element( Reference<XElement>( xNode, UNO_QUERY_THROW ) );
break;
case NodeType_ENTITY_NODE:
rVisitor.entity( Reference<XEntity>( xNode, UNO_QUERY_THROW ) );
break;
case NodeType_ENTITY_REFERENCE_NODE:
rVisitor.entityReference( Reference<XEntityReference>( xNode, UNO_QUERY_THROW ) );
break;
case NodeType_NOTATION_NODE:
rVisitor.notation( Reference<XNotation>( xNode, UNO_QUERY_THROW ) );
break;
case NodeType_PROCESSING_INSTRUCTION_NODE:
rVisitor.processingInstruction( Reference<XProcessingInstruction>( xNode, UNO_QUERY_THROW ) );
break;
case NodeType_TEXT_NODE:
rVisitor.character( Reference<XCharacterData>( xNode, UNO_QUERY_THROW ) );
break;
default:
OSL_FAIL( "unknown DOM node type" );
break;
}
}
void visit( DomVisitor& rVisitor, const Reference<XDocument>& xDocument )
{
visit( rVisitor, Reference<XNode>( xDocument, UNO_QUERY_THROW ) );
}
void visit( DomVisitor& rVisitor, const Reference<XNode>& xNode )
{
visitNode( rVisitor, xNode );
for( Reference<XNode> xChild = xNode->getFirstChild();
xChild.is();
xChild = xChild->getNextSibling() )
{
visit( rVisitor, xChild );
}
if( xNode->getNodeType() == NodeType_ELEMENT_NODE )
rVisitor.endElement( Reference<XElement>( xNode, UNO_QUERY_THROW ) );
}
class DomExport: public DomVisitor
{
SvXMLExport& mrExport;
vector<SvXMLNamespaceMap> maNamespaces;
void pushNamespace();
void popNamespace();
void addNamespace( const OUString& sPrefix, const OUString& sURI );
OUString qualifiedName( const OUString& sPrefix, const OUString& sURI,
const OUString& sLocalName );
OUString qualifiedName( const Reference<XNode>& );
OUString qualifiedName( const Reference<XElement>& );
OUString qualifiedName( const Reference<XAttr>& );
void addAttribute( const Reference<XAttr>& );
public:
DomExport( SvXMLExport& rExport );
virtual ~DomExport();
virtual void element( const Reference<XElement>& );
virtual void endElement( const Reference<XElement>& );
virtual void character( const Reference<XCharacterData>& );
};
DomExport::DomExport( SvXMLExport& rExport ) :
mrExport( rExport )
{
maNamespaces.push_back( rExport.GetNamespaceMap() );
}
DomExport::~DomExport()
{
DBG_ASSERT( maNamespaces.size() == 1, "namespace missing" );
maNamespaces.clear();
}
void DomExport::pushNamespace()
{
maNamespaces.push_back( maNamespaces.back() );
}
void DomExport::popNamespace()
{
maNamespaces.pop_back();
}
void DomExport::addNamespace( const OUString& sPrefix, const OUString& sURI )
{
SvXMLNamespaceMap& rMap = maNamespaces.back();
sal_uInt16 nKey = rMap.GetKeyByPrefix( sPrefix );
// we need to register the namespace, if either the prefix isn't known or
// is used for a different namespace
if( nKey == XML_NAMESPACE_UNKNOWN ||
rMap.GetNameByKey( nKey ) != sURI )
{
// add prefix to map, and add declaration
rMap.Add( sPrefix, sURI );
mrExport.AddAttribute(
OUString( RTL_CONSTASCII_USTRINGPARAM( "xmlns:" ) ) + sPrefix,
sURI );
}
}
OUString DomExport::qualifiedName( const OUString& sPrefix,
const OUString& sURI,
const OUString& sLocalName )
{
OUStringBuffer sBuffer;
if( ( sPrefix.getLength() > 0 ) && ( sURI.getLength() > 0 ) )
{
addNamespace( sPrefix, sURI );
sBuffer.append( sPrefix );
sBuffer.append( sal_Unicode( ':' ) );
}
sBuffer.append( sLocalName );
return sBuffer.makeStringAndClear();
}
OUString DomExport::qualifiedName( const Reference<XNode>& xNode )
{
return qualifiedName( xNode->getPrefix(), xNode->getNamespaceURI(),
xNode->getNodeName() );
}
OUString DomExport::qualifiedName( const Reference<XElement>& xElement )
{
return qualifiedName( xElement->getPrefix(), xElement->getNamespaceURI(),
xElement->getNodeName() );
}
OUString DomExport::qualifiedName( const Reference<XAttr>& xAttr )
{
return qualifiedName( xAttr->getPrefix(), xAttr->getNamespaceURI(),
xAttr->getNodeName() );
}
void DomExport::addAttribute( const Reference<XAttr>& xAttribute )
{
mrExport.AddAttribute( qualifiedName( xAttribute ),
xAttribute->getNodeValue() );
}
void DomExport::element( const Reference<XElement>& xElement )
{
pushNamespace();
// write attributes
Reference<XNamedNodeMap> xAttributes = xElement->getAttributes();
sal_Int32 nLength = xAttributes.is() ? xAttributes->getLength() : 0;
for( sal_Int32 n = 0; n < nLength; n++ )
{
addAttribute( Reference<XAttr>( xAttributes->item( n ), UNO_QUERY_THROW ) );
}
// write name
mrExport.StartElement( qualifiedName( xElement ), sal_False );
}
void DomExport::endElement( const Reference<XElement>& xElement )
{
mrExport.EndElement( qualifiedName( xElement ), sal_False );
popNamespace();
}
void DomExport::character( const Reference<XCharacterData>& xChars )
{
mrExport.Characters( xChars->getNodeValue() );
}
void exportDom( SvXMLExport& rExport, const Reference<XDocument>& xDocument )
{
DomExport aDomExport( rExport );
visit( aDomExport, xDocument );
}
void exportDom( SvXMLExport& rExport, const Reference<XNode>& xNode )
{
DomExport aDomExport( rExport );
visit( aDomExport, xNode );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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