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378 | /* -*- 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 <vector>
using namespace std;
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( const OUString& rPrefix, const OUString& rNamespaceURI ) : m_aPrefix( rPrefix ), m_aNamespaceURI( rNamespaceURI ) {}
};
vector< 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 const OUString aDefaultNamespace;
static const OUString aNamespaceSeparator;
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;
};
const OUString CallbackDocumentHandler::aDefaultNamespace = OUString("");
const OUString CallbackDocumentHandler::aNamespaceSeparator = OUString(":");
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.set( rNamespaceHandler.get() );
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.get() );
}
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.get() );
}
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.get(),
m_aNamespaceHandler.get(), m_xTokenHandler.get() ) );
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(<--- The function 'com_sun_star_comp_extensions_xml_sax_LegacyFastParser_get_implementation' is never used.
css::uno::XComponentContext *,
css::uno::Sequence<css::uno::Any> const &)
{
return cppu::acquire(new SaxLegacyFastParser);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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