diff options
Diffstat (limited to 'oox/source/xls/ooxformulaparser.cxx')
| -rw-r--r-- | oox/source/xls/ooxformulaparser.cxx | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/oox/source/xls/ooxformulaparser.cxx b/oox/source/xls/ooxformulaparser.cxx new file mode 100644 index 000000000000..ec2668aef0f2 --- /dev/null +++ b/oox/source/xls/ooxformulaparser.cxx @@ -0,0 +1,225 @@ +/************************************************************************* + * + * 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 + |