LCOV - code coverage report
Current view: top level - solver/unxlngi6.pro/inc/formula - grammar.hxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 29 31 93.5 %
Date: 2012-08-25 Functions: 8 8 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 10 14 71.4 %

           Branch data     Line data    Source code
       1                 :            : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 :            : /*
       3                 :            :  * This file is part of the LibreOffice project.
       4                 :            :  *
       5                 :            :  * This Source Code Form is subject to the terms of the Mozilla Public
       6                 :            :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7                 :            :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8                 :            :  *
       9                 :            :  * This file incorporates work covered by the following license notice:
      10                 :            :  *
      11                 :            :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12                 :            :  *   contributor license agreements. See the NOTICE file distributed
      13                 :            :  *   with this work for additional information regarding copyright
      14                 :            :  *   ownership. The ASF licenses this file to you under the Apache
      15                 :            :  *   License, Version 2.0 (the "License"); you may not use this file
      16                 :            :  *   except in compliance with the License. You may obtain a copy of
      17                 :            :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18                 :            :  */
      19                 :            : 
      20                 :            : #ifndef FORMULA_GRAMMAR_HXX
      21                 :            : #define FORMULA_GRAMMAR_HXX
      22                 :            : 
      23                 :            : #include "com/sun/star/sheet/FormulaLanguage.hpp"
      24                 :            : #include "formula/formuladllapi.h"
      25                 :            : #include <tools/debug.hxx>
      26                 :            : 
      27                 :            : namespace formula
      28                 :            : {
      29                 :            : 
      30                 :            : /** Grammars digested by ScCompiler.
      31                 :            :  */
      32                 :            : class FORMULA_DLLPUBLIC FormulaGrammar
      33                 :            : {
      34                 :            : public:
      35                 :            :     enum AddressConvention{
      36                 :            :         CONV_UNSPECIFIED = -1,  /* useful when we want method to chose, must be first */
      37                 :            : 
      38                 :            :         /* elements must be sequential and changes should be reflected in ScCompiler::pCharTables */
      39                 :            :         CONV_OOO     =  0,  /* 'doc'#sheet.A1:sheet2.B2 */
      40                 :            :         CONV_ODF,           /* ['doc'#sheet.A1:sheet2.B2] */
      41                 :            :         CONV_XL_A1,         /* [doc]sheet:sheet2!A1:B2 */
      42                 :            :         CONV_XL_R1C1,       /* [doc]sheet:sheet2!R1C1:R2C2 */
      43                 :            :         CONV_XL_OOX,        /* [#]sheet:sheet2!A1:B2 */
      44                 :            : 
      45                 :            :         CONV_LOTUS_A1,      /* external? 3d? A1.B2 <placeholder/> */
      46                 :            : 
      47                 :            :         CONV_LAST   /* for loops, must always be last */
      48                 :            :     };
      49                 :            : 
      50                 :            :     //! CONV_UNSPECIFIED is a negative value!
      51                 :            :     static const int kConventionOffset = - CONV_UNSPECIFIED + 1;
      52                 :            :     // Room for 32k hypothetical languages plus EXTERNAL.
      53                 :            :     static const int kConventionShift  = 16;
      54                 :            :     // Room for 256 reference conventions.
      55                 :            :     static const int kEnglishBit       = (1 << (kConventionShift + 8));
      56                 :            :     // Mask off all non-language bits.
      57                 :            :     static const int kFlagMask         = ~((~int(0)) << kConventionShift);
      58                 :            : 
      59                 :            :     /** Values encoding the formula language plus address reference convention
      60                 :            :         plus English parsing/formatting
      61                 :            :      */
      62                 :            :     //! When adding new values adapt isSupported() below as well.
      63                 :            :     enum Grammar
      64                 :            :     {
      65                 :            :         /// Used only in ScCompiler ctor and in some XML import API context.
      66                 :            :         GRAM_UNSPECIFIED    = -1,
      67                 :            :         /// ODFF with default ODF A1 bracketed references.
      68                 :            :         GRAM_ODFF           = ::com::sun::star::sheet::FormulaLanguage::ODFF    |
      69                 :            :                                 ((CONV_ODF           +
      70                 :            :                                   kConventionOffset) << kConventionShift)       |
      71                 :            :                                 kEnglishBit,
      72                 :            :         /// ODF 1.1 with default ODF A1 bracketed references.
      73                 :            :         GRAM_PODF           = ::com::sun::star::sheet::FormulaLanguage::ODF_11  |
      74                 :            :                                 ((CONV_ODF           +
      75                 :            :                                   kConventionOffset) << kConventionShift)       |
      76                 :            :                                 kEnglishBit,
      77                 :            :         /// English with default A1 reference style.
      78                 :            :         GRAM_ENGLISH        = ::com::sun::star::sheet::FormulaLanguage::ENGLISH |
      79                 :            :                                 ((CONV_OOO           +
      80                 :            :                                   kConventionOffset) << kConventionShift)       |
      81                 :            :                                 kEnglishBit,
      82                 :            :         /// Native with default A1 reference style.
      83                 :            :         GRAM_NATIVE         = ::com::sun::star::sheet::FormulaLanguage::NATIVE  |
      84                 :            :                                 ((CONV_OOO           +
      85                 :            :                                   kConventionOffset) << kConventionShift),
      86                 :            :         /// ODFF with reference style as set in UI, may be A1 or R1C1.
      87                 :            :         GRAM_ODFF_UI        = ::com::sun::star::sheet::FormulaLanguage::ODFF    |
      88                 :            :                                 ((CONV_UNSPECIFIED   +
      89                 :            :                                   kConventionOffset) << kConventionShift)       |
      90                 :            :                                 kEnglishBit,
      91                 :            :         /// ODFF with A1 reference style, unbracketed.
      92                 :            :         GRAM_ODFF_A1        = ::com::sun::star::sheet::FormulaLanguage::ODFF    |
      93                 :            :                                 ((CONV_OOO           +
      94                 :            :                                   kConventionOffset) << kConventionShift)       |
      95                 :            :                                 kEnglishBit,
      96                 :            :         /// ODF 1.1 with reference style as set in UI, may be A1 or R1C1.
      97                 :            :         GRAM_PODF_UI        = ::com::sun::star::sheet::FormulaLanguage::ODF_11  |
      98                 :            :                                 ((CONV_UNSPECIFIED   +
      99                 :            :                                   kConventionOffset) << kConventionShift)       |
     100                 :            :                                 kEnglishBit,
     101                 :            :         /// ODF 1.1 with A1 reference style, unbracketed.
     102                 :            :         GRAM_PODF_A1        = ::com::sun::star::sheet::FormulaLanguage::ODF_11  |
     103                 :            :                                 ((CONV_OOO           +
     104                 :            :                                   kConventionOffset) << kConventionShift)       |
     105                 :            :                                 kEnglishBit,
     106                 :            :         /// Native with reference style as set in UI, may be A1 or R1C1.
     107                 :            :         GRAM_NATIVE_UI      = ::com::sun::star::sheet::FormulaLanguage::NATIVE  |
     108                 :            :                                 ((CONV_UNSPECIFIED   +
     109                 :            :                                   kConventionOffset) << kConventionShift),
     110                 :            :         /// Native with ODF A1 bracketed references. Not very useful but supported.
     111                 :            :         GRAM_NATIVE_ODF     = ::com::sun::star::sheet::FormulaLanguage::NATIVE  |
     112                 :            :                                 ((CONV_ODF           +
     113                 :            :                                   kConventionOffset) << kConventionShift),
     114                 :            :         /// Native with Excel A1 reference style.
     115                 :            :         GRAM_NATIVE_XL_A1   = ::com::sun::star::sheet::FormulaLanguage::NATIVE  |
     116                 :            :                                 ((CONV_XL_A1         +
     117                 :            :                                   kConventionOffset) << kConventionShift),
     118                 :            :         /// Native with Excel R1C1 reference style.
     119                 :            :         GRAM_NATIVE_XL_R1C1 = ::com::sun::star::sheet::FormulaLanguage::NATIVE  |
     120                 :            :                                 ((CONV_XL_R1C1       +
     121                 :            :                                   kConventionOffset) << kConventionShift),
     122                 :            :         /// English with Excel A1 reference style.
     123                 :            :         GRAM_ENGLISH_XL_A1   = ::com::sun::star::sheet::FormulaLanguage::XL_ENGLISH  |
     124                 :            :                                 ((CONV_XL_A1         +
     125                 :            :                                   kConventionOffset) << kConventionShift)            |
     126                 :            :                                 kEnglishBit,
     127                 :            :         /// English with Excel R1C1 reference style.
     128                 :            :         GRAM_ENGLISH_XL_R1C1 = ::com::sun::star::sheet::FormulaLanguage::XL_ENGLISH  |
     129                 :            :                                 ((CONV_XL_R1C1       +
     130                 :            :                                   kConventionOffset) << kConventionShift)            |
     131                 :            :                                 kEnglishBit,
     132                 :            :         /// Central definition of the default grammar to be used.
     133                 :            :         GRAM_DEFAULT        = GRAM_NATIVE_UI,
     134                 :            : 
     135                 :            :         /// Central definition of the default storage grammar to be used.
     136                 :            :         GRAM_STORAGE_DEFAULT = GRAM_ODFF,
     137                 :            : 
     138                 :            :         /** OpCodeMap set by external filter and merged with reference
     139                 :            :             convention plus English bit on top. Plain value acts as
     140                 :            :             FormulaLanguage. */
     141                 :            :         GRAM_EXTERNAL       = (1 << (kConventionShift - 1))
     142                 :            :     };
     143                 :            : 
     144                 :            :     /// If English parsing/formatting is associated with a grammar.
     145                 :      39028 :     static inline bool isEnglish( const Grammar eGrammar )
     146                 :            :     {
     147                 :      39028 :         return (eGrammar & kEnglishBit) != 0;
     148                 :            :     }
     149                 :            : 
     150                 :            :     /** Compatibility helper for old "bCompileEnglish, bCompileXML" API calls
     151                 :            :         to obtain the new grammar. */
     152                 :        147 :     static Grammar mapAPItoGrammar( const bool bEnglish, const bool bXML )
     153                 :            :     {
     154                 :            :         Grammar eGrammar;
     155 [ +  + ][ -  + ]:        147 :         if (bEnglish && bXML)
     156                 :          0 :             eGrammar = GRAM_PODF;
     157 [ +  + ][ +  - ]:        147 :         else if (bEnglish && !bXML)
     158                 :         83 :             eGrammar = GRAM_PODF_A1;
     159 [ +  - ][ -  + ]:         64 :         else if (!bEnglish && bXML)
     160                 :          0 :             eGrammar = GRAM_NATIVE_ODF;
     161                 :            :         else // (!bEnglish && !bXML)
     162                 :         64 :             eGrammar = GRAM_NATIVE;
     163                 :        147 :         return eGrammar;
     164                 :            :     }
     165                 :            : 
     166                 :            :     static bool isSupported( const Grammar eGrammar )
     167                 :            :     {
     168                 :            :         switch (eGrammar)
     169                 :            :         {
     170                 :            :             case GRAM_ODFF           :
     171                 :            :             case GRAM_PODF           :
     172                 :            :             case GRAM_ENGLISH        :
     173                 :            :             case GRAM_NATIVE         :
     174                 :            :             case GRAM_ODFF_UI        :
     175                 :            :             case GRAM_ODFF_A1        :
     176                 :            :             case GRAM_PODF_UI        :
     177                 :            :             case GRAM_PODF_A1        :
     178                 :            :             case GRAM_NATIVE_UI      :
     179                 :            :             case GRAM_NATIVE_ODF     :
     180                 :            :             case GRAM_NATIVE_XL_A1   :
     181                 :            :             case GRAM_NATIVE_XL_R1C1 :
     182                 :            :             case GRAM_ENGLISH_XL_A1  :
     183                 :            :             case GRAM_ENGLISH_XL_R1C1:
     184                 :            :                 return true;
     185                 :            :             default:
     186                 :            :                 return extractFormulaLanguage( eGrammar) == GRAM_EXTERNAL;
     187                 :            :         }
     188                 :            :     }
     189                 :            : 
     190                 :      81780 :     static inline sal_Int32 extractFormulaLanguage( const Grammar eGrammar )
     191                 :            :     {
     192                 :      81780 :         return eGrammar & kFlagMask;
     193                 :            :     }
     194                 :            : 
     195                 :      76425 :     static inline AddressConvention extractRefConvention( const Grammar eGrammar )
     196                 :            :     {
     197                 :            :         return static_cast<AddressConvention>(
     198                 :            :                 ((eGrammar & ~kEnglishBit) >> kConventionShift) -
     199                 :      76425 :                 kConventionOffset);
     200                 :            :     }
     201                 :            : 
     202                 :      38350 :     static inline Grammar setEnglishBit( const Grammar eGrammar, const bool bEnglish )
     203                 :            :     {
     204         [ +  + ]:      38350 :         if (bEnglish)
     205                 :       5432 :             return static_cast<Grammar>( eGrammar | kEnglishBit);
     206                 :            :         else
     207                 :      38350 :             return static_cast<Grammar>( eGrammar & ~kEnglishBit);
     208                 :            :     }
     209                 :            : 
     210                 :      38326 :     static inline Grammar mergeToGrammar( const Grammar eGrammar, const AddressConvention eConv )
     211                 :            :     {
     212                 :      38326 :         bool bEnglish = isEnglish( eGrammar);
     213                 :            :         Grammar eGram = static_cast<Grammar>(
     214                 :      38326 :                 extractFormulaLanguage( eGrammar) |
     215                 :      38326 :                 ((eConv + kConventionOffset) << kConventionShift));
     216                 :      38326 :         eGram = setEnglishBit( eGram, bEnglish);
     217                 :            :         DBG_ASSERT( isSupported( eGram), "CompilerGrammarMap::mergeToGrammar: unsupported grammar");
     218                 :      38326 :         return eGram;
     219                 :            :     }
     220                 :            : 
     221                 :            :     /// If grammar is of ODF 1.1
     222                 :       4393 :     static inline bool isPODF( const Grammar eGrammar )
     223                 :            :     {
     224                 :       4393 :         return extractFormulaLanguage( eGrammar) ==
     225                 :       4393 :             ::com::sun::star::sheet::FormulaLanguage::ODF_11;
     226                 :            :     }
     227                 :            : 
     228                 :            :     /// If grammar is of ODFF
     229                 :       5700 :     static inline bool isODFF( const Grammar eGrammar )
     230                 :            :     {
     231                 :       5700 :         return extractFormulaLanguage( eGrammar) ==
     232                 :       5700 :             ::com::sun::star::sheet::FormulaLanguage::ODFF;
     233                 :            :     }
     234                 :            : 
     235                 :            : };
     236                 :            : // =============================================================================
     237                 :            : } // formula
     238                 :            : // =============================================================================
     239                 :            : 
     240                 :            : #endif // FORMULA_GRAMMAR_HXX
     241                 :            : 
     242                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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