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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 <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/xml/sax/XParser.hpp>
+#include <com/sun/star/xml/sax/FastParser.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/beans/Pair.hpp>
+#include <comphelper/attributelist.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <comphelper/processfactory.hxx>
+#include <rtl/ref.hxx>
+#include <memory>
+#include <utility>
+#include <vector>
+
+using namespace ::cppu;
+using namespace css;
+using namespace uno;
+using namespace lang;
+using namespace xml::sax;
+using namespace io;
+
+namespace {
+
+class NamespaceHandler : public WeakImplHelper< XFastNamespaceHandler >
+{
+private:
+ struct NamespaceDefine
+ {
+ OUString m_aPrefix;
+ OUString m_aNamespaceURI;
+
+ NamespaceDefine( OUString aPrefix, OUString aNamespaceURI ) : m_aPrefix(std::move( aPrefix )), m_aNamespaceURI(std::move( aNamespaceURI )) {}
+ };
+ std::vector< std::unique_ptr< NamespaceDefine > > m_aNamespaceDefines;
+
+public:
+ NamespaceHandler();
+ void addNSDeclAttributes( rtl::Reference < comphelper::AttributeList > const & rAttrList );
+
+ //XFastNamespaceHandler
+ virtual void SAL_CALL registerNamespace( const OUString& rNamespacePrefix, const OUString& rNamespaceURI ) override;
+ virtual OUString SAL_CALL getNamespaceURI( const OUString& rNamespacePrefix ) override;
+};
+
+NamespaceHandler::NamespaceHandler()
+{
+}
+
+void NamespaceHandler::addNSDeclAttributes( rtl::Reference < comphelper::AttributeList > const & rAttrList )
+{
+ for(const auto& aNamespaceDefine : m_aNamespaceDefines)
+ {
+ OUString& rPrefix = aNamespaceDefine->m_aPrefix;
+ OUString& rNamespaceURI = aNamespaceDefine->m_aNamespaceURI;
+ OUString sDecl;
+ if ( rPrefix.isEmpty() )
+ sDecl = "xmlns";
+ else
+ sDecl = "xmlns:" + rPrefix;
+ rAttrList->AddAttribute( sDecl, "CDATA", rNamespaceURI );
+ }
+ m_aNamespaceDefines.clear();
+}
+
+void NamespaceHandler::registerNamespace( const OUString& rNamespacePrefix, const OUString& rNamespaceURI )
+{
+ m_aNamespaceDefines.push_back( std::make_unique<NamespaceDefine>(
+ rNamespacePrefix, rNamespaceURI) );
+}
+
+OUString NamespaceHandler::getNamespaceURI( const OUString&/* rNamespacePrefix */ )
+{
+ return OUString();
+}
+
+class SaxLegacyFastParser : public WeakImplHelper< XInitialization, XServiceInfo, XParser >
+{
+private:
+ rtl::Reference< NamespaceHandler > m_aNamespaceHandler;
+public:
+ SaxLegacyFastParser();
+
+// css::lang::XInitialization:
+ virtual void SAL_CALL initialize(css::uno::Sequence<css::uno::Any> const& rArguments) override;
+
+// The SAX-Parser-Interface
+ virtual void SAL_CALL parseStream( const InputSource& structSource) override;
+ virtual void SAL_CALL setDocumentHandler(const Reference< XDocumentHandler > & xHandler) override;
+ virtual void SAL_CALL setErrorHandler(const Reference< XErrorHandler > & xHandler) override;
+ virtual void SAL_CALL setDTDHandler(const Reference < XDTDHandler > & xHandler) override;
+ virtual void SAL_CALL setEntityResolver(const Reference< XEntityResolver >& xResolver) override;
+ virtual void SAL_CALL setLocale( const Locale &locale ) override;
+
+// XServiceInfo
+ OUString SAL_CALL getImplementationName() override;
+ Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+ sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
+
+private:
+ Reference< XFastParser > m_xParser;
+ Reference< XDocumentHandler > m_xDocumentHandler;
+ Reference< XFastTokenHandler > m_xTokenHandler;
+
+};
+
+
+class CallbackDocumentHandler : public WeakImplHelper< XFastDocumentHandler >
+{
+private:
+ Reference< XDocumentHandler > m_xDocumentHandler;
+ Reference< XFastTokenHandler > m_xTokenHandler;
+ rtl::Reference< NamespaceHandler > m_aNamespaceHandler;
+ OUString getNamespacePrefixFromToken( sal_Int32 nToken );
+ OUString getNameFromToken( sal_Int32 nToken );
+
+ static constexpr OUStringLiteral aDefaultNamespace = u"";
+ static constexpr OUStringLiteral aNamespaceSeparator = u":";
+
+public:
+ CallbackDocumentHandler( Reference< XDocumentHandler > const & xDocumentHandler,
+ rtl::Reference< NamespaceHandler > const & rNamespaceHandler,
+ Reference< XFastTokenHandler > const & xTokenHandler);
+
+ // XFastDocumentHandler
+ virtual void SAL_CALL startDocument() override;
+ virtual void SAL_CALL endDocument() override;
+ virtual void SAL_CALL processingInstruction( const OUString& rTarget, const OUString& rData ) override;
+ virtual void SAL_CALL setDocumentLocator( const Reference< XLocator >& xLocator ) override;
+
+ // XFastContextHandler
+ virtual void SAL_CALL startFastElement( sal_Int32 nElement, const Reference< XFastAttributeList >& Attribs ) override;
+ virtual void SAL_CALL startUnknownElement( const OUString& Namespace, const OUString& Name, const Reference< XFastAttributeList >& Attribs ) override;
+ virtual void SAL_CALL endFastElement( sal_Int32 Element ) override;
+ virtual void SAL_CALL endUnknownElement( const OUString& Namespace, const OUString& Name ) override;
+ virtual Reference< XFastContextHandler > SAL_CALL createFastChildContext( sal_Int32 nElement, const Reference< XFastAttributeList >& Attribs ) override;
+ virtual Reference< XFastContextHandler > SAL_CALL createUnknownChildContext( const OUString& Namespace, const OUString& Name, const Reference< XFastAttributeList >& Attribs ) override;
+ virtual void SAL_CALL characters( const OUString& aChars ) override;
+
+};
+
+OUString CallbackDocumentHandler::getNamespacePrefixFromToken( sal_Int32 nToken )
+{
+ if ( ( nToken & 0xffff0000 ) != 0 )
+ {
+ Sequence< sal_Int8 > aSeq = m_xTokenHandler->getUTF8Identifier( nToken & 0xffff0000 );
+ return OUString( reinterpret_cast< const char* >(
+ aSeq.getConstArray() ), aSeq.getLength(), RTL_TEXTENCODING_UTF8 );
+ }
+ else
+ return OUString();
+}
+
+OUString CallbackDocumentHandler::getNameFromToken( sal_Int32 nToken )
+{
+ Sequence< sal_Int8 > aSeq = m_xTokenHandler->getUTF8Identifier( nToken & 0xffff );
+ return OUString( reinterpret_cast< const char* >(
+ aSeq.getConstArray() ), aSeq.getLength(), RTL_TEXTENCODING_UTF8 );
+}
+
+CallbackDocumentHandler::CallbackDocumentHandler( Reference< XDocumentHandler > const & xDocumentHandler,
+ rtl::Reference< NamespaceHandler > const & rNamespaceHandler,
+ Reference< XFastTokenHandler > const & xTokenHandler)
+{
+ m_xDocumentHandler.set( xDocumentHandler );
+ m_aNamespaceHandler = rNamespaceHandler;
+ m_xTokenHandler.set( xTokenHandler );
+}
+
+void SAL_CALL CallbackDocumentHandler::startDocument()
+{
+ if ( m_xDocumentHandler.is() )
+ m_xDocumentHandler->startDocument();
+}
+
+void SAL_CALL CallbackDocumentHandler::endDocument()
+{
+ if ( m_xDocumentHandler.is() )
+ m_xDocumentHandler->endDocument();
+}
+
+void SAL_CALL CallbackDocumentHandler::processingInstruction( const OUString& rTarget, const OUString& rData )
+{
+ if ( m_xDocumentHandler.is() )
+ m_xDocumentHandler->processingInstruction( rTarget, rData );
+}
+
+void SAL_CALL CallbackDocumentHandler::setDocumentLocator( const Reference< XLocator >& xLocator )
+{
+ if ( m_xDocumentHandler.is() )
+ m_xDocumentHandler->setDocumentLocator( xLocator );
+}
+
+void SAL_CALL CallbackDocumentHandler::startFastElement( sal_Int32 nElement , const Reference< XFastAttributeList >& Attribs )
+{
+ const OUString& rPrefix = CallbackDocumentHandler::getNamespacePrefixFromToken( nElement );
+ const OUString& rLocalName = CallbackDocumentHandler::getNameFromToken( nElement );
+ startUnknownElement( aDefaultNamespace, (rPrefix.isEmpty())? rLocalName : rPrefix + aNamespaceSeparator + rLocalName, Attribs );
+}
+
+void SAL_CALL CallbackDocumentHandler::startUnknownElement( const OUString& /*Namespace*/, const OUString& Name, const Reference< XFastAttributeList >& Attribs )
+{
+ if ( !m_xDocumentHandler.is() )
+ return;
+
+ rtl::Reference < comphelper::AttributeList > rAttrList = new comphelper::AttributeList;
+ m_aNamespaceHandler->addNSDeclAttributes( rAttrList );
+
+ const Sequence< xml::FastAttribute > fastAttribs = Attribs->getFastAttributes();
+ for (const auto& rAttr : fastAttribs)
+ {
+ const OUString& rAttrValue = rAttr.Value;
+ sal_Int32 nToken = rAttr.Token;
+ const OUString& rAttrNamespacePrefix = CallbackDocumentHandler::getNamespacePrefixFromToken( nToken );
+ OUString sAttrName = CallbackDocumentHandler::getNameFromToken( nToken );
+ if ( !rAttrNamespacePrefix.isEmpty() )
+ sAttrName = rAttrNamespacePrefix + aNamespaceSeparator + sAttrName;
+
+ rAttrList->AddAttribute( sAttrName, "CDATA", rAttrValue );
+ }
+
+ const Sequence< xml::Attribute > unknownAttribs = Attribs->getUnknownAttributes();
+ for (const auto& rAttr : unknownAttribs)
+ {
+ const OUString& rAttrValue = rAttr.Value;
+ const OUString& rAttrName = rAttr.Name;
+
+ rAttrList->AddAttribute( rAttrName, "CDATA", rAttrValue );
+ }
+ m_xDocumentHandler->startElement( Name, rAttrList );
+}
+
+void SAL_CALL CallbackDocumentHandler::endFastElement( sal_Int32 nElement )
+{
+ const OUString& rPrefix = CallbackDocumentHandler::getNamespacePrefixFromToken( nElement );
+ const OUString& rLocalName = CallbackDocumentHandler::getNameFromToken( nElement );
+ endUnknownElement( aDefaultNamespace, (rPrefix.isEmpty())? rLocalName : rPrefix + aNamespaceSeparator + rLocalName );
+}
+
+
+void SAL_CALL CallbackDocumentHandler::endUnknownElement( const OUString& /*Namespace*/, const OUString& Name )
+{
+ if ( m_xDocumentHandler.is() )
+ {
+ m_xDocumentHandler->endElement( Name );
+ }
+}
+
+Reference< XFastContextHandler > SAL_CALL CallbackDocumentHandler::createFastChildContext( sal_Int32/* nElement */, const Reference< XFastAttributeList >&/* Attribs */ )
+{
+ return this;
+}
+
+
+Reference< XFastContextHandler > SAL_CALL CallbackDocumentHandler::createUnknownChildContext( const OUString&/* Namespace */, const OUString&/* Name */, const Reference< XFastAttributeList >&/* Attribs */ )
+{
+ return this;
+}
+
+void SAL_CALL CallbackDocumentHandler::characters( const OUString& aChars )
+{
+ if ( m_xDocumentHandler.is() )
+ m_xDocumentHandler->characters( aChars );
+}
+
+SaxLegacyFastParser::SaxLegacyFastParser( ) : m_aNamespaceHandler( new NamespaceHandler ),
+ m_xParser(FastParser::create(::comphelper::getProcessComponentContext() ))
+{
+ m_xParser->setNamespaceHandler( m_aNamespaceHandler );
+}
+
+void SAL_CALL SaxLegacyFastParser::initialize(Sequence< Any > const& rArguments )
+{
+ if (!rArguments.hasElements())
+ return;
+
+ Reference< XFastTokenHandler > xTokenHandler;
+ OUString str;
+ if ( ( rArguments[0] >>= xTokenHandler ) && xTokenHandler.is() )
+ {
+ m_xTokenHandler.set( xTokenHandler );
+ }
+ else if ( ( rArguments[0] >>= str ) && "registerNamespaces" == str )
+ {
+ css::beans::Pair< OUString, sal_Int32 > rPair;
+ for (sal_Int32 i = 1; i < rArguments.getLength(); i++ )
+ {
+ rArguments[i] >>= rPair;
+ m_xParser->registerNamespace( rPair.First, rPair.Second );
+ }
+ }
+ else
+ {
+ uno::Reference<lang::XInitialization> const xInit(m_xParser,
+ uno::UNO_QUERY_THROW);
+ xInit->initialize( rArguments );
+ }
+}
+
+void SaxLegacyFastParser::parseStream( const InputSource& structSource )
+{
+ m_xParser->setFastDocumentHandler( new CallbackDocumentHandler( m_xDocumentHandler,
+ m_aNamespaceHandler, m_xTokenHandler ) );
+ m_xParser->setTokenHandler( m_xTokenHandler );
+ m_xParser->parseStream( structSource );
+}
+
+void SaxLegacyFastParser::setDocumentHandler( const Reference< XDocumentHandler > & xHandler )
+{
+ m_xDocumentHandler = xHandler;
+}
+
+void SaxLegacyFastParser::setErrorHandler( const Reference< XErrorHandler > & xHandler )
+{
+ m_xParser->setErrorHandler( xHandler );
+}
+
+void SaxLegacyFastParser::setDTDHandler( const Reference < XDTDHandler > &/* xHandler */ )
+{
+
+}
+
+void SaxLegacyFastParser::setEntityResolver( const Reference< XEntityResolver >& xResolver )
+{
+ m_xParser->setEntityResolver( xResolver );
+}
+
+void SaxLegacyFastParser::setLocale( const Locale &locale )
+{
+ m_xParser->setLocale( locale );
+}
+
+OUString SaxLegacyFastParser::getImplementationName()
+{
+ return "com.sun.star.comp.extensions.xml.sax.LegacyFastParser";
+}
+
+sal_Bool SaxLegacyFastParser::supportsService(const OUString& ServiceName)
+{
+ return cppu::supportsService(this, ServiceName);
+}
+
+Sequence< OUString > SaxLegacyFastParser::getSupportedServiceNames()
+{
+ return { "com.sun.star.xml.sax.LegacyFastParser" };
+}
+
+} //namespace
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
+com_sun_star_comp_extensions_xml_sax_LegacyFastParser_get_implementation(
+ css::uno::XComponentContext *,
+ css::uno::Sequence<css::uno::Any> const &)
+{
+ return cppu::acquire(new SaxLegacyFastParser);
+}
+
+ /* vim:set shiftwidth=4 softtabstop=4 expandtab: */