diff options
Diffstat (limited to 'forms/source/xforms/submission/serialization_app_xml.cxx')
| -rw-r--r-- | forms/source/xforms/submission/serialization_app_xml.cxx | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/forms/source/xforms/submission/serialization_app_xml.cxx b/forms/source/xforms/submission/serialization_app_xml.cxx new file mode 100644 index 000000000..61729d027 --- /dev/null +++ b/forms/source/xforms/submission/serialization_app_xml.cxx @@ -0,0 +1,126 @@ +/* -*- 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_app_xml.hxx" + +#include <com/sun/star/io/Pipe.hpp> +#include <com/sun/star/xml/dom/DocumentBuilder.hpp> +#include <com/sun/star/xml/dom/XNode.hpp> +#include <com/sun/star/xml/dom/XDocument.hpp> +#include <com/sun/star/xml/dom/NodeType.hpp> +#include <com/sun/star/xml/sax/XSAXSerializable.hpp> +#include <com/sun/star/xml/sax/Writer.hpp> +#include <com/sun/star/beans/StringPair.hpp> +#include <com/sun/star/xml/dom/XDocumentBuilder.hpp> + +#include <tools/diagnose_ex.h> +#include <comphelper/processfactory.hxx> + +using ::com::sun::star::uno::Reference; +using ::com::sun::star::uno::Exception; +using ::com::sun::star::uno::Sequence; +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::DocumentBuilder; +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::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::Writer; +using ::com::sun::star::xml::sax::XDocumentHandler; + +CSerializationAppXML::CSerializationAppXML() + : 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 m_xBuffer; +} + +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 = DocumentBuilder::create( comphelper::getProcessComponentContext() ); + 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< css::xml::sax::XWriter > const xSaxWriter = Writer::create( comphelper::getProcessComponentContext() ); + xSaxWriter->setOutputStream( Reference< css::io::XOutputStream >( m_xBuffer, UNO_QUERY_THROW) ); + + // do the serialization + xSerializer->serialize( Reference< XDocumentHandler >(xSaxWriter, UNO_QUERY_THROW), Sequence< StringPair >() ); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("forms.xforms"); + } +} + +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: */ |