LCOV - code coverage report
Current view: top level - usr/local/src/libreoffice/sw/inc - calc.hxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 8 12 66.7 %
Date: 2013-07-09 Functions: 7 11 63.6 %
Legend: Lines: hit not hit

          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 SW_CALC_HXX
      21             : #define SW_CALC_HXX
      22             : 
      23             : #include <vector>
      24             : 
      25             : #include <unotools/syslocale.hxx>
      26             : 
      27             : #include <basic/sbxvar.hxx>
      28             : 
      29             : #include "swdllapi.h"
      30             : 
      31             : class CharClass;
      32             : class LocaleDataWrapper;
      33             : class SwFieldType;
      34             : class SwDoc;
      35             : class SwUserFieldType;
      36             : 
      37             : #define TBLSZ 47                // should be a prime, because of hash table
      38             : 
      39             : const sal_Unicode cListDelim    = '|';
      40             : 
      41             : /******************************************************************************
      42             :  *                          Calculate Operations
      43             :  ******************************************************************************/
      44             : enum SwCalcOper
      45             : {
      46             :     CALC_NAME,              CALC_NUMBER,            CALC_ENDCALC,
      47             :     CALC_PLUS='+',          CALC_MINUS='-',         CALC_MUL='*',
      48             :     CALC_DIV='/',           CALC_PRINT=';',         CALC_ASSIGN='=',
      49             :     CALC_LP='(',            CALC_RP=')',            CALC_PHD='%',
      50             :     CALC_POW='^',
      51             :     CALC_LISTOP = cListDelim,
      52             :     CALC_NOT=256,           CALC_AND=257,           CALC_OR=258,
      53             :     CALC_XOR=259,           CALC_EQ=260,            CALC_NEQ=261,
      54             :     CALC_LEQ=262,           CALC_GEQ=263,           CALC_LES=264,
      55             :     CALC_GRE=265,           CALC_SUM=266,           CALC_MEAN=267,
      56             :     CALC_SQRT=268,          CALC_MIN=269,           CALC_MIN_IN=270,
      57             :     CALC_MAX=271,           CALC_MAX_IN=272,        CALC_SIN=273,
      58             :     CALC_COS=274,           CALC_TAN=275,           CALC_ASIN=276,
      59             :     CALC_ACOS=278,          CALC_ATAN=279,          CALC_TDIF=280,
      60             :     CALC_ROUND=281,         CALC_DATE=282,          CALC_MONTH=283,
      61             :     CALC_DAY=284
      62             : };
      63             : 
      64             : //-- Calculate Operations Strings -----------------------------------------
      65             : 
      66             : extern const sal_Char sCalc_Add[];
      67             : extern const sal_Char sCalc_Sub[];
      68             : extern const sal_Char sCalc_Mul[];
      69             : extern const sal_Char sCalc_Div[];
      70             : extern const sal_Char sCalc_Phd[];
      71             : extern const sal_Char sCalc_Sqrt[];
      72             : extern const sal_Char sCalc_Pow[];
      73             : extern const sal_Char sCalc_Or[];
      74             : extern const sal_Char sCalc_Xor[];
      75             : extern const sal_Char sCalc_And[];
      76             : extern const sal_Char sCalc_Not[];
      77             : extern const sal_Char sCalc_Eq[];
      78             : extern const sal_Char sCalc_Neq[];
      79             : extern const sal_Char sCalc_Leq[];
      80             : extern const sal_Char sCalc_Geq[];
      81             : extern const sal_Char sCalc_L[];
      82             : extern const sal_Char sCalc_G[];
      83             : extern const sal_Char sCalc_Sum[];
      84             : extern const sal_Char sCalc_Mean[];
      85             : extern const sal_Char sCalc_Min[];
      86             : extern const sal_Char sCalc_Max[];
      87             : extern const sal_Char sCalc_Sin[];
      88             : extern const sal_Char sCalc_Cos[];
      89             : extern const sal_Char sCalc_Tan[];
      90             : extern const sal_Char sCalc_Asin[];
      91             : extern const sal_Char sCalc_Acos[];
      92             : extern const sal_Char sCalc_Atan[];
      93             : extern const sal_Char sCalc_Tdif[];
      94             : extern const sal_Char sCalc_Round[];
      95             : extern const sal_Char sCalc_Date[];
      96             : 
      97             : /******************************************************************************
      98             :  *                          Calculate ErrorCodes
      99             :  ******************************************************************************/
     100             : enum SwCalcError
     101             : {
     102             :     CALC_NOERR=0,
     103             :     CALC_SYNTAX,        //  syntax error
     104             :     CALC_ZERODIV,       //  division by zero
     105             :     CALC_BRACK,         //  faulty brackets
     106             :     CALC_POWERR,        //  overflow in power function
     107             :     CALC_VARNFND,       //  variable was not found
     108             :     CALC_OVERFLOW,      //  overflow
     109             :     CALC_WRONGTIME      //  wrong time format
     110             : };
     111             : 
     112         114 : class SwSbxValue : public SbxValue
     113             : {
     114             :     bool bVoid;
     115             : public:
     116             :     // always default to a number. otherwise it will become a SbxEMPTY
     117         166 :     SwSbxValue( long n = 0 ) : bVoid(false)  { PutLong( n ); }
     118           0 :     SwSbxValue( const double& rD ) : bVoid(false) { PutDouble( rD ); }
     119         499 :     SwSbxValue( const SwSbxValue& rVal ) :
     120             :         SvRefBase( rVal ),
     121             :         SbxValue( rVal ),
     122         499 :         bVoid(rVal.bVoid)
     123         499 :         {}
     124             :     virtual ~SwSbxValue();
     125             : 
     126             : 
     127             :     sal_Bool GetBool() const;
     128             :     double GetDouble() const;
     129             :     SwSbxValue& MakeDouble();
     130             : 
     131          12 :     bool IsVoidValue() {return bVoid;}
     132          30 :     void SetVoidValue(bool bSet) {bVoid = bSet;}
     133             : };
     134             : 
     135             : /******************************************************************************
     136             :  *          Calculate HashTables for VarTable und Operations
     137             :  ******************************************************************************/
     138             : struct SwHash
     139             : {
     140             :             SwHash( const String& rStr );
     141             :     virtual ~SwHash();
     142             :     String  aStr;
     143             :     SwHash *pNext;
     144             : };
     145             : 
     146         974 : struct SwCalcExp : public SwHash
     147             : {
     148             :     SwSbxValue  nValue;
     149             :     const SwFieldType* pFldType;
     150             : 
     151             :     SwCalcExp( const String& rStr, const SwSbxValue& rVal,
     152             :                 const SwFieldType* pFldType = 0 );
     153             : };
     154             : 
     155             : SwHash* Find( const String& rSrch, SwHash** ppTable,
     156             :                 sal_uInt16 nTblSize, sal_uInt16* pPos = 0 );
     157             : 
     158             : void DeleteHashTable( SwHash** ppTable, sal_uInt16 nTblSize );
     159             : 
     160             : // if _CalcOp != 0, this is a valid operator
     161             : struct _CalcOp;
     162             : _CalcOp* FindOperator( const String& rSearch );
     163             : 
     164             : /******************************************************************************
     165             :  *                               class SwCalc
     166             :  ******************************************************************************/
     167             : class SwCalc
     168             : {
     169             :     SwHash*     VarTable[ TBLSZ ];
     170             :     String      aVarName, sCurrSym;
     171             :     String      sCommand;
     172             :     std::vector<const SwUserFieldType*> aRekurStk;
     173             :     SwSbxValue  nLastLeft;
     174             :     SwSbxValue  nNumberValue;
     175             :     SwCalcExp   aErrExpr;
     176             :     xub_StrLen  nCommandPos;
     177             : 
     178             :     SwDoc&      rDoc;
     179             :     SvtSysLocale m_aSysLocale;
     180             :     const LocaleDataWrapper* pLclData;
     181             :     CharClass*  pCharClass;
     182             : 
     183             :     sal_uInt16      nListPor;
     184             :     SwCalcOper  eCurrOper;
     185             :     SwCalcOper  eCurrListOper;
     186             :     SwCalcError eError;
     187             : 
     188             : 
     189             :     SwCalcOper  GetToken();
     190             :     SwSbxValue  Expr();
     191             :     SwSbxValue  Term();
     192             :     SwSbxValue  Prim();
     193             : 
     194             :     sal_Bool        ParseTime( sal_uInt16*, sal_uInt16*, sal_uInt16* );
     195             : 
     196             :     String  GetColumnName( const String& rName );
     197             :     String  GetDBName( const String& rName );
     198             : 
     199             :     // dont call this methods
     200             :     SwCalc( const SwCalc& );
     201             :     SwCalc& operator=( const SwCalc& );
     202             : 
     203             : public:
     204             :         SwCalc( SwDoc& rD );
     205             :         ~SwCalc();
     206             : 
     207             :     SwSbxValue  Calculate( const String &rStr );
     208             :     String      GetStrResult( const SwSbxValue& rValue, sal_Bool bRound = sal_True );
     209             :     String      GetStrResult( double, sal_Bool bRound = sal_True );
     210             : 
     211             :     SwCalcExp*  VarInsert( const String& r );
     212             :     SwCalcExp*  VarLook( const String &rStr, sal_uInt16 ins = 0 );
     213             :     void        VarChange( const String& rStr, const SwSbxValue& rValue );
     214             :     void        VarChange( const String& rStr, double );
     215           0 :     SwHash**    GetVarTable()                       { return VarTable; }
     216             : 
     217             :     bool        Push(const SwUserFieldType* pUserFieldType);
     218             :     void        Pop();
     219             : 
     220           0 :     void        SetCalcError( SwCalcError eErr )    { eError = eErr; }
     221           0 :     sal_Bool        IsCalcError() const                 { return 0 != eError; }
     222             : 
     223             :     static bool Str2Double( const String& rStr, xub_StrLen& rPos,
     224             :                                 double& rVal,
     225             :                                 LocaleDataWrapper const*const pData = 0 );
     226             :     static bool Str2Double( const String& rStr, xub_StrLen& rPos,
     227             :                                 double& rVal, SwDoc *const pDoc );
     228             : 
     229             :     SW_DLLPUBLIC static sal_Bool IsValidVarName( const String& rStr,
     230             :                                     String* pValidName = 0 );
     231             : };
     232             : 
     233             : #endif
     234             : 
     235             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

Generated by: LCOV version 1.10