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