LCOV - code coverage report
Current view: top level - sw/inc - calc.hxx (source / functions) Hit Total Coverage
Test: commit 10e77ab3ff6f4314137acd6e2702a6e5c1ce1fae Lines: 9 12 75.0 %
Date: 2014-11-03 Functions: 8 11 72.7 %
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 INCLUDED_SW_INC_CALC_HXX
      21             : #define INCLUDED_SW_INC_CALC_HXX
      22             : 
      23             : #include <vector>
      24             : #include <basic/sbxvar.hxx>
      25             : #include <unotools/syslocale.hxx>
      26             : #include "swdllapi.h"
      27             : 
      28             : class CharClass;
      29             : class LocaleDataWrapper;
      30             : class SwFieldType;
      31             : class SwDoc;
      32             : class SwUserFieldType;
      33             : 
      34             : #define TBLSZ 47                // should be a prime, because of hash table
      35             : 
      36             : const sal_Unicode cListDelim    = '|';
      37             : 
      38             : enum SwCalcOper
      39             : {
      40             :     CALC_NAME,              CALC_NUMBER,            CALC_ENDCALC,
      41             :     CALC_PLUS='+',          CALC_MINUS='-',         CALC_MUL='*',
      42             :     CALC_DIV='/',           CALC_PRINT=';',         CALC_ASSIGN='=',
      43             :     CALC_LP='(',            CALC_RP=')',            CALC_PHD='%',
      44             :     CALC_POW='^',
      45             :     CALC_LISTOP = cListDelim,
      46             :     CALC_NOT=256,           CALC_AND=257,           CALC_OR=258,
      47             :     CALC_XOR=259,           CALC_EQ=260,            CALC_NEQ=261,
      48             :     CALC_LEQ=262,           CALC_GEQ=263,           CALC_LES=264,
      49             :     CALC_GRE=265,           CALC_SUM=266,           CALC_MEAN=267,
      50             :     CALC_SQRT=268,          CALC_MIN=269,           CALC_MIN_IN=270,
      51             :     CALC_MAX=271,           CALC_MAX_IN=272,        CALC_SIN=273,
      52             :     CALC_COS=274,           CALC_TAN=275,           CALC_ASIN=276,
      53             :     CALC_ACOS=278,          CALC_ATAN=279,          CALC_TDIF=280,
      54             :     CALC_ROUND=281,         CALC_DATE=282,          CALC_MONTH=283,
      55             :     CALC_DAY=284
      56             : };
      57             : 
      58             : // Calculate Operations Strings
      59             : extern const sal_Char sCalc_Add[];
      60             : extern const sal_Char sCalc_Sub[];
      61             : extern const sal_Char sCalc_Mul[];
      62             : extern const sal_Char sCalc_Div[];
      63             : extern const sal_Char sCalc_Phd[];
      64             : extern const sal_Char sCalc_Sqrt[];
      65             : extern const sal_Char sCalc_Pow[];
      66             : extern const sal_Char sCalc_Or[];
      67             : extern const sal_Char sCalc_Xor[];
      68             : extern const sal_Char sCalc_And[];
      69             : extern const sal_Char sCalc_Not[];
      70             : extern const sal_Char sCalc_Eq[];
      71             : extern const sal_Char sCalc_Neq[];
      72             : extern const sal_Char sCalc_Leq[];
      73             : extern const sal_Char sCalc_Geq[];
      74             : extern const sal_Char sCalc_L[];
      75             : extern const sal_Char sCalc_G[];
      76             : extern const sal_Char sCalc_Sum[];
      77             : extern const sal_Char sCalc_Mean[];
      78             : extern const sal_Char sCalc_Min[];
      79             : extern const sal_Char sCalc_Max[];
      80             : extern const sal_Char sCalc_Sin[];
      81             : extern const sal_Char sCalc_Cos[];
      82             : extern const sal_Char sCalc_Tan[];
      83             : extern const sal_Char sCalc_Asin[];
      84             : extern const sal_Char sCalc_Acos[];
      85             : extern const sal_Char sCalc_Atan[];
      86             : extern const sal_Char sCalc_Tdif[];
      87             : extern const sal_Char sCalc_Round[];
      88             : extern const sal_Char sCalc_Date[];
      89             : 
      90             : //  Calculate ErrorCodes
      91             : enum SwCalcError
      92             : {
      93             :     CALC_NOERR=0,
      94             :     CALC_SYNTAX,        //  syntax error
      95             :     CALC_ZERODIV,       //  division by zero
      96             :     CALC_BRACK,         //  faulty brackets
      97             :     CALC_POWERR,        //  overflow in power function
      98             :     CALC_VARNFND,       //  variable was not found
      99             :     CALC_OVERFLOW,      //  overflow
     100             :     CALC_WRONGTIME      //  wrong time format
     101             : };
     102             : 
     103         182 : class SwSbxValue : public SbxValue
     104             : {
     105             :     bool bVoid;
     106             : public:
     107             :     // always default to a number. otherwise it will become a SbxEMPTY
     108         318 :     SwSbxValue( long n = 0 ) : bVoid(false)  { PutLong( n ); }
     109          28 :     SwSbxValue( const double& rD ) : bVoid(false) { PutDouble( rD ); }
     110        1208 :     SwSbxValue( const SwSbxValue& rVal ) :
     111             :         SvRefBase( rVal ),
     112             :         SbxValue( rVal ),
     113        1208 :         bVoid(rVal.bVoid)
     114        1208 :         {}
     115             :     virtual ~SwSbxValue();
     116             : 
     117             :     bool GetBool() const;
     118             :     double GetDouble() const;
     119             :     SwSbxValue& MakeDouble();
     120             : 
     121          18 :     bool IsVoidValue() {return bVoid;}
     122          58 :     void SetVoidValue(bool bSet) {bVoid = bSet;}
     123             : };
     124             : 
     125             : // Calculate HashTables for VarTable und Operations
     126             : struct SwHash
     127             : {
     128             :     SwHash( const OUString& rStr );
     129             :     virtual ~SwHash();
     130             :     OUString aStr;
     131             :     SwHash *pNext;
     132             : };
     133             : 
     134        2310 : struct SwCalcExp : public SwHash
     135             : {
     136             :     SwSbxValue  nValue;
     137             :     const SwFieldType* pFldType;
     138             : 
     139             :     SwCalcExp( const OUString& rStr, const SwSbxValue& rVal,
     140             :                 const SwFieldType* pFldType = 0 );
     141             : };
     142             : 
     143             : SwHash* Find( const OUString& rSrch, SwHash** ppTable,
     144             :                 sal_uInt16 nTblSize, sal_uInt16* pPos = 0 );
     145             : 
     146             : void DeleteHashTable( SwHash** ppTable, sal_uInt16 nTblSize );
     147             : 
     148             : // if _CalcOp != 0, this is a valid operator
     149             : struct _CalcOp;
     150             : _CalcOp* FindOperator( const OUString& rSearch );
     151             : 
     152             : class SwCalc
     153             : {
     154             :     SwHash*     VarTable[ TBLSZ ];
     155             :     OUString    aVarName, sCurrSym;
     156             :     OUString    sCommand;
     157             :     std::vector<const SwUserFieldType*> aRekurStk;
     158             :     SwSbxValue  nLastLeft;
     159             :     SwSbxValue  nNumberValue;
     160             :     SwCalcExp   aErrExpr;
     161             :     sal_Int32   nCommandPos;
     162             : 
     163             :     SwDoc&      rDoc;
     164             :     SvtSysLocale m_aSysLocale;
     165             :     const LocaleDataWrapper* pLclData;
     166             :     CharClass*  pCharClass;
     167             : 
     168             :     sal_uInt16      nListPor;
     169             :     SwCalcOper  eCurrOper;
     170             :     SwCalcOper  eCurrListOper;
     171             :     SwCalcError eError;
     172             : 
     173             :     SwCalcOper  GetToken();
     174             :     SwSbxValue  Expr();
     175             :     SwSbxValue  Term();
     176             :     SwSbxValue  Prim();
     177             : 
     178             :     bool        ParseTime( sal_uInt16*, sal_uInt16*, sal_uInt16* );
     179             : 
     180             :     OUString  GetColumnName( const OUString& rName );
     181             :     OUString  GetDBName( const OUString& rName );
     182             : 
     183             :     // dont call this methods
     184             :     SwCalc( const SwCalc& );
     185             :     SwCalc& operator=( const SwCalc& );
     186             : 
     187             : public:
     188             :         SwCalc( SwDoc& rD );
     189             :         ~SwCalc();
     190             : 
     191             :     SwSbxValue  Calculate( const OUString &rStr );
     192             :     OUString    GetStrResult( const SwSbxValue& rValue, bool bRound = true );
     193             :     OUString    GetStrResult( double, bool bRound = true );
     194             : 
     195             :     SwCalcExp*  VarInsert( const OUString& r );
     196             :     SwCalcExp*  VarLook( const OUString &rStr, sal_uInt16 ins = 0 );
     197             :     void        VarChange( const OUString& rStr, const SwSbxValue& rValue );
     198             :     void        VarChange( const OUString& rStr, double );
     199           0 :     SwHash**    GetVarTable()                       { return VarTable; }
     200             : 
     201             :     bool        Push(const SwUserFieldType* pUserFieldType);
     202             :     void        Pop();
     203             : 
     204           0 :     void        SetCalcError( SwCalcError eErr )    { eError = eErr; }
     205           0 :     bool        IsCalcError() const                 { return 0 != eError; }
     206             : 
     207             :     static bool Str2Double( const OUString& rStr, sal_Int32& rPos,
     208             :                                 double& rVal,
     209             :                                 LocaleDataWrapper const*const pData = 0 );
     210             :     static bool Str2Double( const OUString& rStr, sal_Int32& rPos,
     211             :                                 double& rVal, SwDoc *const pDoc );
     212             : 
     213             :     SW_DLLPUBLIC static bool IsValidVarName( const OUString& rStr,
     214             :                                     OUString* pValidName = 0 );
     215             : };
     216             : 
     217             : #endif
     218             : 
     219             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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