fastparser.cxx

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 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
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#include <sal/config.h>
 
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <oox/core/fastparser.hxx>
 
#include <oox/core/fasttokenhandler.hxx>
#include <oox/helper/containerhelper.hxx>
#include <oox/helper/storagebase.hxx>
#include <oox/token/namespacemap.hxx>
 
#include <sax/fastparser.hxx>
 
namespace oox::core {
 
using namespace ::com::sun::star::io;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::xml::sax;
 
namespace {
 
class InputStreamCloseGuard
{
public:
    explicit            InputStreamCloseGuard( const Reference< XInputStream >& rxInStream, bool bCloseStream );
                        ~InputStreamCloseGuard();
private:
    Reference< XInputStream > mxInStream;
    bool                mbCloseStream;
};
 
InputStreamCloseGuard::InputStreamCloseGuard( const Reference< XInputStream >& rxInStream, bool bCloseStream ) :
    mxInStream( rxInStream ),
    mbCloseStream( bCloseStream )
{
}
 
InputStreamCloseGuard::~InputStreamCloseGuard()
{
    if( mxInStream.is() && mbCloseStream ) try { mxInStream->closeInput(); } catch( Exception& ) {}
}
 
} // namespace
 
FastParser::FastParser() :
    mrNamespaceMap( StaticNamespaceMap() )
{
    // create a fast parser instance
    mxParser = new sax_fastparser::FastSaxParser;
 
    // create the fast tokenhandler
    mxTokenHandler.set( new FastTokenHandler );
 
    // create the fast token handler based on the OOXML token list
    mxParser->setTokenHandler( mxTokenHandler );
}
 
FastParser::~FastParser()
{
}
 
void FastParser::registerNamespace( sal_Int32 nNamespaceId )
{
    if( !mxParser.is() )
        throw RuntimeException();
 
    // add handling for OOXML strict here
    const OUString* pNamespaceUrl = ContainerHelper::getMapElement( mrNamespaceMap.maTransitionalNamespaceMap, nNamespaceId );
    if( !pNamespaceUrl )
        throw IllegalArgumentException();
 
    mxParser->registerNamespace( *pNamespaceUrl, nNamespaceId );
 
    //also register the OOXML strict namespaces for the same id
    const OUString* pNamespaceStrictUrl = ContainerHelper::getMapElement( mrNamespaceMap.maStrictNamespaceMap, nNamespaceId );
    if(pNamespaceStrictUrl && (*pNamespaceUrl != *pNamespaceStrictUrl))
    {
        mxParser->registerNamespace( *pNamespaceStrictUrl, nNamespaceId );
    }
}
 
void FastParser::setDocumentHandler( const Reference< XFastDocumentHandler >& rxDocHandler )
{
    if( !mxParser.is() )
        throw RuntimeException();
    mxParser->setFastDocumentHandler( rxDocHandler );
}
 
void FastParser::clearDocumentHandler()
{
    if (!mxParser.is())
        return;
    mxParser->setFastDocumentHandler(nullptr);
}
 
void FastParser::parseStream( const InputSource& rInputSource, bool bCloseStream )
{
    // guard closing the input stream also when exceptions are thrown
    InputStreamCloseGuard aGuard( rInputSource.aInputStream, bCloseStream );
    if( !mxParser.is() )
        throw RuntimeException();
    mxParser->parseStream( rInputSource );
}
 
void FastParser::parseStream( const Reference< XInputStream >& rxInStream, const OUString& rStreamName )
{
    InputSource aInputSource;
    aInputSource.sSystemId = rStreamName;
    aInputSource.aInputStream = rxInStream;
    parseStream( aInputSource );
}
 
void FastParser::parseStream( StorageBase& rStorage, const OUString& rStreamName )
{
    parseStream( rStorage.openInputStream( rStreamName ), rStreamName );
}
 
} // namespace oox::core
 
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