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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "oox/xls/ooxformulaparser.hxx"
#include <com/sun/star/uno/XComponentContext.hpp>
#include "oox/xls/formulaparser.hxx"
using ::rtl::OUString;
using ::com::sun::star::uno::Any;
using ::com::sun::star::uno::Exception;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::RuntimeException;
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::uno::UNO_QUERY_THROW;
using ::com::sun::star::uno::XComponentContext;
using ::com::sun::star::uno::XInterface;
using ::com::sun::star::lang::XMultiServiceFactory;
using ::com::sun::star::table::CellAddress;
using ::com::sun::star::sheet::FormulaToken;
namespace oox {
namespace xls {
// ============================================================================
class OOXMLFormulaParserImpl : private FormulaFinalizer
{
public:
explicit OOXMLFormulaParserImpl( const Reference< XMultiServiceFactory >& rxFactory );
Sequence< FormulaToken > parseFormula( const OUString& rFormula, const CellAddress& rReferencePos );
protected:
virtual const FunctionInfo* resolveBadFuncName( const OUString& rTokenData ) const;
private:
ApiParserWrapper maApiParser;
};
// ----------------------------------------------------------------------------
OOXMLFormulaParserImpl::OOXMLFormulaParserImpl( const Reference< XMultiServiceFactory >& rxFactory ) :
FormulaFinalizer( OpCodeProvider( rxFactory, FILTER_OOX, BIFF_UNKNOWN, true ) ),
maApiParser( rxFactory, *this )
{
}
Sequence< FormulaToken > OOXMLFormulaParserImpl::parseFormula( const OUString& rFormula, const CellAddress& rReferencePos )
{
return finalizeTokenArray( maApiParser.parseFormula( rFormula, rReferencePos ) );
}
const FunctionInfo* OOXMLFormulaParserImpl::resolveBadFuncName( const OUString& rTokenData ) const
{
/* Try to parse calls to library functions. The format of such a function
call is assumed to be
"'<path-to-office-install>\Library\<libname>'!<funcname>". */
// the string has to start with an apostroph (followed by the library URL)
if( (rTokenData.getLength() >= 6) && (rTokenData[ 0 ] == '\'') )
{
// library URL and function name are separated by an exclamation mark
sal_Int32 nExclamPos = rTokenData.lastIndexOf( '!' );
if( (1 < nExclamPos) && (nExclamPos + 1 < rTokenData.getLength()) && (rTokenData[ nExclamPos - 1 ] == '\'') )
{
// find the last backslash that separates library path and name
sal_Int32 nFileSep = rTokenData.lastIndexOf( '\\', nExclamPos - 2 );
if( nFileSep > 1 )
{
// find preceding backslash that separates the last directory name
sal_Int32 nDirSep = rTokenData.lastIndexOf( '\\', nFileSep - 1 );
// function library is located in a directory called 'library'
if( (nDirSep > 0) && rTokenData.matchIgnoreAsciiCaseAsciiL( RTL_CONSTASCII_STRINGPARAM( "\\LIBRARY\\" ), nDirSep ) )
{
// try to find a function info for the function name
OUString aFuncName = rTokenData.copy( nExclamPos + 1 ).toAsciiUpperCase();
const FunctionInfo* pFuncInfo = getFuncInfoFromOoxFuncName( aFuncName );
if( pFuncInfo && (pFuncInfo->meFuncLibType != FUNCLIB_UNKNOWN) )
{
// check that the name of the library matches
OUString aLibName = rTokenData.copy( nFileSep + 1, nExclamPos - nFileSep - 2 );
if( pFuncInfo->meFuncLibType == getFuncLibTypeFromLibraryName( aLibName ) )
return pFuncInfo;
}
}
}
}
}
return 0;
}
// ============================================================================
class OOXMLFormulaPrinterImpl : public OpCodeProvider
{
public:
explicit OOXMLFormulaPrinterImpl( const Reference< XMultiServiceFactory >& rxFactory );
private:
ApiParserWrapper maApiParser;
};
// ----------------------------------------------------------------------------
OOXMLFormulaPrinterImpl::OOXMLFormulaPrinterImpl( const Reference< XMultiServiceFactory >& rxFactory ) :
OpCodeProvider( rxFactory, FILTER_OOX, BIFF_UNKNOWN, false ),
maApiParser( rxFactory, *this )
{
}
// ============================================================================
Sequence< OUString > OOXMLFormulaParser_getSupportedServiceNames()
{
Sequence< OUString > aServiceNames( 1 );
aServiceNames[ 0 ] = CREATE_OUSTRING( "com.sun.star.sheet.FilterFormulaParser" );
return aServiceNames;
}
OUString OOXMLFormulaParser_getImplementationName()
{
return CREATE_OUSTRING( "com.sun.star.comp.oox.OOXMLFormulaParser" );
}
Reference< XInterface > SAL_CALL OOXMLFormulaParser_createInstance( const Reference< XComponentContext >& ) throw( Exception )
{
return static_cast< ::cppu::OWeakObject* >( new OOXMLFormulaParser );
}
// ============================================================================
OOXMLFormulaParser::OOXMLFormulaParser()
{
}
OOXMLFormulaParser::~OOXMLFormulaParser()
{
}
// com.sun.star.lang.XServiceInfo interface -----------------------------------
OUString SAL_CALL OOXMLFormulaParser::getImplementationName() throw( RuntimeException )
{
return OOXMLFormulaParser_getImplementationName();
}
sal_Bool SAL_CALL OOXMLFormulaParser::supportsService( const OUString& rService ) throw( RuntimeException )
{
const Sequence< OUString > aServices( OOXMLFormulaParser_getSupportedServiceNames() );
const OUString* pArray = aServices.getConstArray();
const OUString* pArrayEnd = pArray + aServices.getLength();
return ::std::find( pArray, pArrayEnd, rService ) != pArrayEnd;
}
Sequence< OUString > SAL_CALL OOXMLFormulaParser::getSupportedServiceNames() throw( RuntimeException )
{
return OOXMLFormulaParser_getSupportedServiceNames();
}
// com.sun.star.lang.XInitialization interface --------------------------------
void SAL_CALL OOXMLFormulaParser::initialize( const Sequence< Any >& rArgs ) throw( Exception, RuntimeException )
{
OSL_ENSURE( rArgs.hasElements(), "OOXMLFormulaParser::initialize - missing arguments" );
if( !rArgs.hasElements() )
throw RuntimeException();
mxComponent.set( rArgs[ 0 ], UNO_QUERY_THROW );
}
// com.sun.star.sheet.XFilterFormulaParser interface --------------------------
OUString SAL_CALL OOXMLFormulaParser::getSupportedNamespace() throw( RuntimeException )
{
return CREATE_OUSTRING( "http://schemas.microsoft.com/office/excel/formula" );
}
// com.sun.star.sheet.XFormulaParser interface --------------------------------
Sequence< FormulaToken > SAL_CALL OOXMLFormulaParser::parseFormula(
const OUString& rFormula, const CellAddress& rReferencePos ) throw( RuntimeException )
{
if( !mxParserImpl )
{
Reference< XMultiServiceFactory > xFactory( mxComponent, UNO_QUERY_THROW );
mxParserImpl.reset( new OOXMLFormulaParserImpl( xFactory ) );
}
return mxParserImpl->parseFormula( rFormula, rReferencePos );
}
OUString SAL_CALL OOXMLFormulaParser::printFormula(
const Sequence< FormulaToken >& /*rTokens*/, const CellAddress& /*rReferencePos*/ ) throw( RuntimeException )
{
// not implemented
throw RuntimeException();
}
// ============================================================================
} // namespace xls
} // namespace oox
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