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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 <ooxformulaparser.hxx>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <osl/diagnose.h>
#include <cppuhelper/supportsservice.hxx>
#include <formulaparser.hxx>
namespace com::sun::star::uno { class XComponentContext; }
namespace oox::xls {
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::sheet;
using namespace ::com::sun::star::table;
using namespace ::com::sun::star::uno;
class OOXMLFormulaParserImpl : private FormulaFinalizer
{
public:
explicit OOXMLFormulaParserImpl( const Reference< XMultiServiceFactory >& rxModelFactory );
Sequence< FormulaToken > parseFormula( const OUString& rFormula, const ScAddress& rReferencePos );
protected:
virtual const FunctionInfo* resolveBadFuncName( const OUString& rTokenData ) const override;
private:
ApiParserWrapper maApiParser;
};
OOXMLFormulaParserImpl::OOXMLFormulaParserImpl( const Reference< XMultiServiceFactory >& rxModelFactory ) :
FormulaFinalizer( OpCodeProvider( rxModelFactory, true ) ),
maApiParser( rxModelFactory, *this )
{
}
Sequence< FormulaToken > OOXMLFormulaParserImpl::parseFormula( const OUString& rFormula, const ScAddress& 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.matchIgnoreAsciiCase( "\\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 nullptr;
}
OOXMLFormulaParser::OOXMLFormulaParser()
{
}
OOXMLFormulaParser::~OOXMLFormulaParser()
{
}
// com.sun.star.lang.XServiceInfo interface -----------------------------------
OUString SAL_CALL OOXMLFormulaParser::getImplementationName()
{
return "com.sun.star.comp.oox.xls.FormulaParser";
}
sal_Bool SAL_CALL OOXMLFormulaParser::supportsService( const OUString& rService )
{
return cppu::supportsService(this, rService);
}
Sequence< OUString > SAL_CALL OOXMLFormulaParser::getSupportedServiceNames()
{
return { "com.sun.star.sheet.FilterFormulaParser" };
}
// com.sun.star.lang.XInitialization interface --------------------------------
void SAL_CALL OOXMLFormulaParser::initialize( const Sequence< Any >& rArgs )
{
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()
{
return "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 )
{
if( !mxParserImpl )
{
Reference< XMultiServiceFactory > xModelFactory( mxComponent, UNO_QUERY_THROW );
mxParserImpl = std::make_shared<OOXMLFormulaParserImpl>( xModelFactory );
}
return mxParserImpl->parseFormula( rFormula,
ScAddress(rReferencePos.Column, rReferencePos.Row, rReferencePos.Sheet) );
}
OUString SAL_CALL OOXMLFormulaParser::printFormula(
const Sequence< FormulaToken >& /*rTokens*/, const CellAddress& /*rReferencePos*/ )
{
// not implemented
throw RuntimeException();
}
} // namespace oox::xls
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
com_sun_star_comp_oox_xls_FormulaParser_get_implementation(css::uno::XComponentContext*,
css::uno::Sequence<css::uno::Any> const &)
{
return cppu::acquire(new oox::xls::OOXMLFormulaParser());
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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