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Diffstat (limited to 'include/formula/grammar.hxx')
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diff --git a/include/formula/grammar.hxx b/include/formula/grammar.hxx new file mode 100644 index 000000000000..584aff1ae57f --- /dev/null +++ b/include/formula/grammar.hxx @@ -0,0 +1,242 @@ +/* -*- 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 . + */ + +#ifndef FORMULA_GRAMMAR_HXX +#define FORMULA_GRAMMAR_HXX + +#include "com/sun/star/sheet/FormulaLanguage.hpp" +#include "formula/formuladllapi.h" +#include <tools/debug.hxx> + +namespace formula +{ + +/** Grammars digested by ScCompiler. + */ +class FORMULA_DLLPUBLIC FormulaGrammar +{ +public: + enum AddressConvention{ + CONV_UNSPECIFIED = -1, /* useful when we want method to chose, must be first */ + + /* elements must be sequential and changes should be reflected in ScCompiler::pCharTables */ + CONV_OOO = 0, /* 'doc'#sheet.A1:sheet2.B2 */ + CONV_ODF, /* ['doc'#sheet.A1:sheet2.B2] */ + CONV_XL_A1, /* [doc]sheet:sheet2!A1:B2 */ + CONV_XL_R1C1, /* [doc]sheet:sheet2!R1C1:R2C2 */ + CONV_XL_OOX, /* [#]sheet:sheet2!A1:B2 */ + + CONV_LOTUS_A1, /* external? 3d? A1.B2 <placeholder/> */ + + CONV_LAST /* for loops, must always be last */ + }; + + //! CONV_UNSPECIFIED is a negative value! + static const int kConventionOffset = - CONV_UNSPECIFIED + 1; + // Room for 32k hypothetical languages plus EXTERNAL. + static const int kConventionShift = 16; + // Room for 256 reference conventions. + static const int kEnglishBit = (1 << (kConventionShift + 8)); + // Mask off all non-language bits. + static const int kFlagMask = ~((~int(0)) << kConventionShift); + + /** Values encoding the formula language plus address reference convention + plus English parsing/formatting + */ + //! When adding new values adapt isSupported() below as well. + enum Grammar + { + /// Used only in ScCompiler ctor and in some XML import API context. + GRAM_UNSPECIFIED = -1, + /// ODFF with default ODF A1 bracketed references. + GRAM_ODFF = ::com::sun::star::sheet::FormulaLanguage::ODFF | + ((CONV_ODF + + kConventionOffset) << kConventionShift) | + kEnglishBit, + /// ODF 1.1 with default ODF A1 bracketed references. + GRAM_PODF = ::com::sun::star::sheet::FormulaLanguage::ODF_11 | + ((CONV_ODF + + kConventionOffset) << kConventionShift) | + kEnglishBit, + /// English with default A1 reference style. + GRAM_ENGLISH = ::com::sun::star::sheet::FormulaLanguage::ENGLISH | + ((CONV_OOO + + kConventionOffset) << kConventionShift) | + kEnglishBit, + /// Native with default A1 reference style. + GRAM_NATIVE = ::com::sun::star::sheet::FormulaLanguage::NATIVE | + ((CONV_OOO + + kConventionOffset) << kConventionShift), + /// ODFF with reference style as set in UI, may be A1 or R1C1. + GRAM_ODFF_UI = ::com::sun::star::sheet::FormulaLanguage::ODFF | + ((CONV_UNSPECIFIED + + kConventionOffset) << kConventionShift) | + kEnglishBit, + /// ODFF with A1 reference style, unbracketed. + GRAM_ODFF_A1 = ::com::sun::star::sheet::FormulaLanguage::ODFF | + ((CONV_OOO + + kConventionOffset) << kConventionShift) | + kEnglishBit, + /// ODF 1.1 with reference style as set in UI, may be A1 or R1C1. + GRAM_PODF_UI = ::com::sun::star::sheet::FormulaLanguage::ODF_11 | + ((CONV_UNSPECIFIED + + kConventionOffset) << kConventionShift) | + kEnglishBit, + /// ODF 1.1 with A1 reference style, unbracketed. + GRAM_PODF_A1 = ::com::sun::star::sheet::FormulaLanguage::ODF_11 | + ((CONV_OOO + + kConventionOffset) << kConventionShift) | + kEnglishBit, + /// Native with reference style as set in UI, may be A1 or R1C1. + GRAM_NATIVE_UI = ::com::sun::star::sheet::FormulaLanguage::NATIVE | + ((CONV_UNSPECIFIED + + kConventionOffset) << kConventionShift), + /// Native with ODF A1 bracketed references. Not very useful but supported. + GRAM_NATIVE_ODF = ::com::sun::star::sheet::FormulaLanguage::NATIVE | + ((CONV_ODF + + kConventionOffset) << kConventionShift), + /// Native with Excel A1 reference style. + GRAM_NATIVE_XL_A1 = ::com::sun::star::sheet::FormulaLanguage::NATIVE | + ((CONV_XL_A1 + + kConventionOffset) << kConventionShift), + /// Native with Excel R1C1 reference style. + GRAM_NATIVE_XL_R1C1 = ::com::sun::star::sheet::FormulaLanguage::NATIVE | + ((CONV_XL_R1C1 + + kConventionOffset) << kConventionShift), + /// English with Excel A1 reference style. + GRAM_ENGLISH_XL_A1 = ::com::sun::star::sheet::FormulaLanguage::XL_ENGLISH | + ((CONV_XL_A1 + + kConventionOffset) << kConventionShift) | + kEnglishBit, + /// English with Excel R1C1 reference style. + GRAM_ENGLISH_XL_R1C1 = ::com::sun::star::sheet::FormulaLanguage::XL_ENGLISH | + ((CONV_XL_R1C1 + + kConventionOffset) << kConventionShift) | + kEnglishBit, + /// Central definition of the default grammar to be used. + GRAM_DEFAULT = GRAM_NATIVE_UI, + + /// Central definition of the default storage grammar to be used. + GRAM_STORAGE_DEFAULT = GRAM_ODFF, + + /** OpCodeMap set by external filter and merged with reference + convention plus English bit on top. Plain value acts as + FormulaLanguage. */ + GRAM_EXTERNAL = (1 << (kConventionShift - 1)) + }; + + /// If English parsing/formatting is associated with a grammar. + static inline bool isEnglish( const Grammar eGrammar ) + { + return (eGrammar & kEnglishBit) != 0; + } + + /** Compatibility helper for old "bCompileEnglish, bCompileXML" API calls + to obtain the new grammar. */ + static Grammar mapAPItoGrammar( const bool bEnglish, const bool bXML ) + { + Grammar eGrammar; + if (bEnglish && bXML) + eGrammar = GRAM_PODF; + else if (bEnglish && !bXML) + eGrammar = GRAM_PODF_A1; + else if (!bEnglish && bXML) + eGrammar = GRAM_NATIVE_ODF; + else // (!bEnglish && !bXML) + eGrammar = GRAM_NATIVE; + return eGrammar; + } + + static bool isSupported( const Grammar eGrammar ) + { + switch (eGrammar) + { + case GRAM_ODFF : + case GRAM_PODF : + case GRAM_ENGLISH : + case GRAM_NATIVE : + case GRAM_ODFF_UI : + case GRAM_ODFF_A1 : + case GRAM_PODF_UI : + case GRAM_PODF_A1 : + case GRAM_NATIVE_UI : + case GRAM_NATIVE_ODF : + case GRAM_NATIVE_XL_A1 : + case GRAM_NATIVE_XL_R1C1 : + case GRAM_ENGLISH_XL_A1 : + case GRAM_ENGLISH_XL_R1C1: + return true; + default: + return extractFormulaLanguage( eGrammar) == GRAM_EXTERNAL; + } + } + + static inline sal_Int32 extractFormulaLanguage( const Grammar eGrammar ) + { + return eGrammar & kFlagMask; + } + + static inline AddressConvention extractRefConvention( const Grammar eGrammar ) + { + return static_cast<AddressConvention>( + ((eGrammar & ~kEnglishBit) >> kConventionShift) - + kConventionOffset); + } + + static inline Grammar setEnglishBit( const Grammar eGrammar, const bool bEnglish ) + { + if (bEnglish) + return static_cast<Grammar>( eGrammar | kEnglishBit); + else + return static_cast<Grammar>( eGrammar & ~kEnglishBit); + } + + static inline Grammar mergeToGrammar( const Grammar eGrammar, const AddressConvention eConv ) + { + bool bEnglish = isEnglish( eGrammar); + Grammar eGram = static_cast<Grammar>( + extractFormulaLanguage( eGrammar) | + ((eConv + kConventionOffset) << kConventionShift)); + eGram = setEnglishBit( eGram, bEnglish); + DBG_ASSERT( isSupported( eGram), "CompilerGrammarMap::mergeToGrammar: unsupported grammar"); + return eGram; + } + + /// If grammar is of ODF 1.1 + static inline bool isPODF( const Grammar eGrammar ) + { + return extractFormulaLanguage( eGrammar) == + ::com::sun::star::sheet::FormulaLanguage::ODF_11; + } + + /// If grammar is of ODFF + static inline bool isODFF( const Grammar eGrammar ) + { + return extractFormulaLanguage( eGrammar) == + ::com::sun::star::sheet::FormulaLanguage::ODFF; + } + +}; +// ============================================================================= +} // formula +// ============================================================================= + +#endif // FORMULA_GRAMMAR_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |