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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#include "serialization.hxx"
#include "serialization_app_xml.hxx"
/** === begin UNO includes === **/
#include <com/sun/star/io/Pipe.hpp>
#include <com/sun/star/xml/dom/XNode.hpp>
#include <com/sun/star/xml/dom/XDocument.hpp>
#include <com/sun/star/xml/dom/XNodeList.hpp>
#include <com/sun/star/xml/dom/NodeType.hpp>
#include <com/sun/star/lang/XUnoTunnel.hpp>
#include <com/sun/star/xml/xpath/XPathObjectType.hpp>
#include <com/sun/star/xml/sax/XSAXSerializable.hpp>
#include <com/sun/star/beans/StringPair.hpp>
#include <com/sun/star/io/XActiveDataSource.hpp>
#include <com/sun/star/xml/dom/XDocumentBuilder.hpp>
/** === end UNO includes === **/
#include <tools/diagnose_ex.h>
#include <comphelper/processfactory.hxx>
#include <boost/scoped_ptr.hpp>
#include <limits>
/** === begin UNO using === **/
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Exception;
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::uno::RuntimeException;
using ::com::sun::star::uno::UNO_QUERY;
using ::com::sun::star::uno::UNO_QUERY_THROW;
using ::com::sun::star::uno::UNO_SET_THROW;
using ::com::sun::star::xml::dom::XNode;
using ::com::sun::star::xml::dom::XDocument;
using ::com::sun::star::xml::sax::XSAXSerializable;
using ::com::sun::star::beans::StringPair;
using ::com::sun::star::io::XActiveDataSource;
using ::com::sun::star::xml::dom::NodeType_DOCUMENT_NODE;
using ::com::sun::star::xml::dom::NodeType_ELEMENT_NODE;
using ::com::sun::star::xml::dom::XDocumentBuilder;
using ::com::sun::star::xml::sax::XDocumentHandler;
/** === end UNO using === **/
CSerializationAppXML::CSerializationAppXML()
: m_xFactory(comphelper::getProcessServiceFactory())
, m_xBuffer(CSS::io::Pipe::create(comphelper::getProcessComponentContext()))
{
}
Reference< CSS::io::XInputStream >
CSerializationAppXML::getInputStream()
{
// The pipes output is provided through it's
// XOutputStream interface aspect
return Reference< CSS::io::XInputStream >(m_xBuffer, UNO_QUERY);
}
void
CSerializationAppXML::serialize_node(const Reference< XNode >& rNode)
{
try
{
Reference< XSAXSerializable > xSerializer( rNode, UNO_QUERY );
if ( !xSerializer.is() )
{
// ensure we have a "real" node
Reference< XNode > xNode = rNode;
if ( xNode->getNodeType() == NodeType_DOCUMENT_NODE )
{
Reference< XDocument > const xDoc( xNode, UNO_QUERY_THROW );
xNode.set( xDoc->getDocumentElement(), UNO_QUERY_THROW );
}
ENSURE_OR_RETURN_VOID( xNode->getNodeType() == NodeType_ELEMENT_NODE,
"CSerializationAppXML::serialize_node: invalid node type!" );
// create a new document
Reference< XDocumentBuilder > const xDocBuilder(
m_xFactory->createInstance( "com.sun.star.xml.dom.DocumentBuilder" ), UNO_QUERY_THROW );
Reference< XDocument > const xDocument( xDocBuilder->newDocument(), UNO_SET_THROW );
// copy the to-be-serialized node
Reference< XNode > const xImportedNode( xDocument->importNode( xNode, true ), UNO_SET_THROW );
xDocument->appendChild( xImportedNode );
// ask the doc for the serializer
xSerializer.set( xDocument, UNO_QUERY );
}
ENSURE_OR_RETURN_VOID( xSerializer.is(),
"CSerializationAppXML::serialize_node: no serialization access to the node/document!" );
// create a SAXWriter to take the serialization events, and connect it to our pipe
Reference< XDocumentHandler > const xSaxWriter(
m_xFactory->createInstance( "com.sun.star.xml.sax.Writer" ), UNO_QUERY_THROW );
Reference< XActiveDataSource > const xDataSource( xSaxWriter, UNO_QUERY_THROW );
xDataSource->setOutputStream( Reference< CSS::io::XOutputStream >( m_xBuffer, UNO_QUERY_THROW) );
// do the serialization
xSerializer->serialize( xSaxWriter, Sequence< StringPair >() );
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
}
void
CSerializationAppXML::serialize()
{
if (!m_aFragment.is()) return;
Reference< XNode > cur = m_aFragment->getFirstChild();
while (cur.is())
{
serialize_node(cur);
cur = cur->getNextSibling();
}
m_xBuffer->closeOutput();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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