a8df5fbaa4
Change-Id: I7bc1d82d70f26b1cb7289b87a52e1f59fb740817 Reviewed-on: https://gerrit.libreoffice.org/77655 Tested-by: Jenkins Reviewed-by: Julien Nabet <serval2412@yahoo.fr>
355 lines
13 KiB
C++
355 lines
13 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 "saxbuilder.hxx"
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#include <com/sun/star/xml/dom/DocumentBuilder.hpp>
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#include <com/sun/star/xml/sax/SAXException.hpp>
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#include <comphelper/processfactory.hxx>
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#include <cppuhelper/supportsservice.hxx>
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#include <sax/fastattribs.hxx>
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#include <xmloff/xmlimp.hxx>
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using namespace css::lang;
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using namespace css::uno;
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using namespace css::xml::dom;
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using namespace css::xml::sax;
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namespace DOM
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{
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Reference< XInterface > CSAXDocumentBuilder::_getInstance(const Reference< XMultiServiceFactory >& rSMgr)
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{
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return static_cast< XSAXDocumentBuilder* >(new CSAXDocumentBuilder(rSMgr));
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}
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CSAXDocumentBuilder::CSAXDocumentBuilder(const Reference< XMultiServiceFactory >& mgr)
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: m_aServiceManager(mgr)
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, m_aState( SAXDocumentBuilderState_READY)
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{}
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OUString CSAXDocumentBuilder::_getImplementationName()
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{
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return "com.sun.star.comp.xml.dom.SAXDocumentBuilder";
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}
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Sequence<OUString> CSAXDocumentBuilder::_getSupportedServiceNames()
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{
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return { "com.sun.star.xml.dom.SAXDocumentBuilder" };
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}
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Sequence< OUString > SAL_CALL CSAXDocumentBuilder::getSupportedServiceNames()
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{
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return CSAXDocumentBuilder::_getSupportedServiceNames();
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}
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OUString SAL_CALL CSAXDocumentBuilder::getImplementationName()
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{
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return CSAXDocumentBuilder::_getImplementationName();
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}
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sal_Bool SAL_CALL CSAXDocumentBuilder::supportsService(const OUString& aServiceName)
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{
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return cppu::supportsService(this, aServiceName);
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}
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SAXDocumentBuilderState SAL_CALL CSAXDocumentBuilder::getState()
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{
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::osl::MutexGuard g(m_Mutex);
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return m_aState;
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}
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void SAL_CALL CSAXDocumentBuilder::reset()
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{
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::osl::MutexGuard g(m_Mutex);
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m_aDocument.clear();
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m_aFragment.clear();
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while (!m_aNodeStack.empty()) m_aNodeStack.pop();
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m_aState = SAXDocumentBuilderState_READY;
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}
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Reference< XDocument > SAL_CALL CSAXDocumentBuilder::getDocument()
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{
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::osl::MutexGuard g(m_Mutex);
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if (m_aState != SAXDocumentBuilderState_DOCUMENT_FINISHED)
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throw RuntimeException();
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return m_aDocument;
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}
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Reference< XDocumentFragment > SAL_CALL CSAXDocumentBuilder::getDocumentFragment()
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{
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::osl::MutexGuard g(m_Mutex);
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if (m_aState != SAXDocumentBuilderState_FRAGMENT_FINISHED)
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throw RuntimeException();
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return m_aFragment;
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}
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void SAL_CALL CSAXDocumentBuilder::startDocumentFragment(const Reference< XDocument >& ownerDoc)
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{
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::osl::MutexGuard g(m_Mutex);
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// start a new document fragment and push it onto the stack
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// we have to be in a clean state to do this
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if (m_aState != SAXDocumentBuilderState_READY)
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throw RuntimeException();
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m_aDocument = ownerDoc;
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Reference< XDocumentFragment > aFragment = m_aDocument->createDocumentFragment();
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m_aNodeStack.push(aFragment);
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m_aFragment = aFragment;
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m_aState = SAXDocumentBuilderState_BUILDING_FRAGMENT;
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}
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void SAL_CALL CSAXDocumentBuilder::endDocumentFragment()
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{
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::osl::MutexGuard g(m_Mutex);
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// there should only be the document left on the node stack
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if (m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
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throw RuntimeException();
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Reference< XNode > aNode = m_aNodeStack.top();
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if ( aNode->getNodeType() != NodeType_DOCUMENT_FRAGMENT_NODE)
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throw RuntimeException();
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m_aNodeStack.pop();
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m_aState = SAXDocumentBuilderState_FRAGMENT_FINISHED;
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}
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//XFastDocumentHandler
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void SAL_CALL CSAXDocumentBuilder::startDocument()
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{
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::osl::MutexGuard g(m_Mutex);
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// start a new document and push it onto the stack
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// we have to be in a clean state to do this
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if (m_aState != SAXDocumentBuilderState_READY)
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throw SAXException();
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Reference< XDocumentBuilder > aBuilder(DocumentBuilder::create(comphelper::getComponentContext(m_aServiceManager)));
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Reference< XDocument > aDocument = aBuilder->newDocument();
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m_aNodeStack.push(aDocument);
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m_aDocument = aDocument;
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m_aState = SAXDocumentBuilderState_BUILDING_DOCUMENT;
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}
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void SAL_CALL CSAXDocumentBuilder::endDocument()
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{
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::osl::MutexGuard g(m_Mutex);
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// there should only be the document left on the node stack
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if (m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT)
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throw SAXException();
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Reference< XNode > aNode = m_aNodeStack.top();
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if ( aNode->getNodeType() != NodeType_DOCUMENT_NODE)
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throw SAXException();
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m_aNodeStack.pop();
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m_aState = SAXDocumentBuilderState_DOCUMENT_FINISHED;
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}
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void SAL_CALL CSAXDocumentBuilder::processingInstruction( const OUString& rTarget, const OUString& rData )
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{
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::osl::MutexGuard g(m_Mutex);
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// append PI node to the current top
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if ( m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT &&
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m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
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throw SAXException();
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Reference< XProcessingInstruction > aInstruction = m_aDocument->createProcessingInstruction(
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rTarget, rData);
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m_aNodeStack.top()->appendChild(aInstruction);
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}
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void SAL_CALL CSAXDocumentBuilder::setDocumentLocator( const Reference< XLocator >& )
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{
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}
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void SAL_CALL CSAXDocumentBuilder::startFastElement( sal_Int32 nElement , const Reference< XFastAttributeList >& xAttribs )
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{
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::osl::MutexGuard g(m_Mutex);
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if ( m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT &&
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m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
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{
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throw SAXException();
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}
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Reference< XElement > aElement;
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const OUString& aPrefix(SvXMLImport::getNamespacePrefixFromToken(nElement, nullptr));
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const OUString& aURI( SvXMLImport::getNamespaceURIFromToken( nElement ) );
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OUString aQualifiedName( SvXMLImport::getNameFromToken( nElement ) );
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if( !aPrefix.isEmpty() )
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aQualifiedName = aPrefix + SvXMLImport::aNamespaceSeparator + aQualifiedName;
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if ( !aURI.isEmpty() )
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{
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// found a URI for prefix
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// qualified name
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aElement = m_aDocument->createElementNS( aURI, aQualifiedName );
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}
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else
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{
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// no URI for prefix
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aElement = m_aDocument->createElement( aQualifiedName );
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}
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aElement.set( m_aNodeStack.top()->appendChild(aElement), UNO_QUERY);
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m_aNodeStack.push(aElement);
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if (xAttribs.is())
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setElementFastAttributes(aElement, xAttribs);
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}
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// For arbitrary meta elements
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void SAL_CALL CSAXDocumentBuilder::startUnknownElement( const OUString& rNamespace, const OUString& rName, const Reference< XFastAttributeList >& xAttribs )
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{
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::osl::MutexGuard g(m_Mutex);
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if ( m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT &&
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m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
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{
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throw SAXException();
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}
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Reference< XElement > aElement;
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if ( !rNamespace.isEmpty() )
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aElement = m_aDocument->createElementNS( rNamespace, rName );
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else
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aElement = m_aDocument->createElement( rName );
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aElement.set( m_aNodeStack.top()->appendChild(aElement), UNO_QUERY);
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m_aNodeStack.push(aElement);
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if (xAttribs.is())
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{
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setElementFastAttributes(aElement, xAttribs);
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const Sequence< css::xml::Attribute > unknownAttribs = xAttribs->getUnknownAttributes();
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for ( const auto& rUnknownAttrib : unknownAttribs )
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{
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const OUString& rAttrValue = rUnknownAttrib.Value;
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const OUString& rAttrName = rUnknownAttrib.Name;
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const OUString& rAttrNamespace = rUnknownAttrib.NamespaceURL;
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if ( !rAttrNamespace.isEmpty() )
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aElement->setAttributeNS( rAttrNamespace, rAttrName, rAttrValue );
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else
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aElement->setAttribute( rAttrName, rAttrValue );
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}
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}
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}
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void CSAXDocumentBuilder::setElementFastAttributes(const Reference< XElement >& aElement, const Reference< XFastAttributeList >& xAttribs)
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{
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sax_fastparser::FastAttributeList *pAttribList =
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sax_fastparser::FastAttributeList::castToFastAttributeList( xAttribs );
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for (auto &it : *pAttribList)
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{
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sal_Int32 nAttrToken = it.getToken();
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const OUString& aAttrPrefix(SvXMLImport::getNamespacePrefixFromToken(nAttrToken, nullptr));
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const OUString& aAttrURI( SvXMLImport::getNamespaceURIFromToken( nAttrToken ) );
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OUString aAttrQualifiedName( SvXMLImport::getNameFromToken( nAttrToken ) );
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if( !aAttrPrefix.isEmpty() )
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aAttrQualifiedName = aAttrPrefix + SvXMLImport::aNamespaceSeparator + aAttrQualifiedName;
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if ( !aAttrURI.isEmpty() )
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aElement->setAttributeNS( aAttrURI, aAttrQualifiedName, it.toString() );
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else
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aElement->setAttribute( aAttrQualifiedName, it.toString() );
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}
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}
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void SAL_CALL CSAXDocumentBuilder::endFastElement( sal_Int32 nElement )
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{
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::osl::MutexGuard g(m_Mutex);
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// pop the current element from the stack
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if ( m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT &&
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m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
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throw SAXException();
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Reference< XNode > aNode(m_aNodeStack.top());
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if (aNode->getNodeType() != NodeType_ELEMENT_NODE)
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throw SAXException();
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Reference< XElement > aElement(aNode, UNO_QUERY);
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if( aElement->getPrefix() != SvXMLImport::getNamespacePrefixFromToken(nElement, nullptr) ||
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aElement->getTagName() != SvXMLImport::getNameFromToken( nElement ) ) // consistency check
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throw SAXException();
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// pop it
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m_aNodeStack.pop();
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}
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void SAL_CALL CSAXDocumentBuilder::endUnknownElement( const OUString& /*rNamespace*/, const OUString& rName )
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{
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::osl::MutexGuard g(m_Mutex);
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// pop the current element from the stack
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if ( m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT &&
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m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
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throw SAXException();
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Reference< XNode > aNode(m_aNodeStack.top());
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if (aNode->getNodeType() != NodeType_ELEMENT_NODE)
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throw SAXException();
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Reference< XElement > aElement(aNode, UNO_QUERY);
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OUString aRefName;
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const OUString& aPrefix = aElement->getPrefix();
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if (!aPrefix.isEmpty())
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aRefName = aPrefix + SvXMLImport::aNamespaceSeparator + aElement->getTagName();
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else
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aRefName = aElement->getTagName();
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if (aRefName != rName) // consistency check
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throw SAXException();
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// pop it
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m_aNodeStack.pop();
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}
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Reference< XFastContextHandler > SAL_CALL CSAXDocumentBuilder::createFastChildContext( sal_Int32/* nElement */, const Reference< XFastAttributeList >&/* xAttribs */ )
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{
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return nullptr;
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}
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Reference< XFastContextHandler > SAL_CALL CSAXDocumentBuilder::createUnknownChildContext( const OUString&/* rNamespace */, const OUString&/* rName */, const Reference< XFastAttributeList >&/* xAttribs */ )
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{
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return nullptr;
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}
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void SAL_CALL CSAXDocumentBuilder::characters( const OUString& rChars )
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{
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::osl::MutexGuard g(m_Mutex);
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// append text node to the current top element
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if (m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT &&
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m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
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throw SAXException();
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Reference< XText > aText = m_aDocument->createTextNode(rChars);
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m_aNodeStack.top()->appendChild(aText);
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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