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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 * * for a copy of the LGPLv3 License. * ************************************************************************/ #ifndef _CALC_HXX #define _CALC_HXX #include #include #ifndef __SBX_SBXVALUE //autogen #include #endif #include "swdllapi.h" class CharClass; class LocaleDataWrapper; class SwFieldType; class SwDoc; #define TBLSZ 47 // sollte Primzahl sein, wegen HashTable const sal_Unicode cListDelim = '|'; /****************************************************************************** * Calculate Operations ******************************************************************************/ enum SwCalcOper { CALC_NAME, CALC_NUMBER, CALC_ENDCALC, CALC_PLUS='+', CALC_MINUS='-', CALC_MUL='*', CALC_DIV='/', CALC_PRINT=';', CALC_ASSIGN='=', CALC_LP='(', CALC_RP=')', CALC_PHD='%', CALC_POW='^', CALC_LISTOP = cListDelim, CALC_NOT=256, CALC_AND=257, CALC_OR=258, CALC_XOR=259, CALC_EQ=260, CALC_NEQ=261, CALC_LEQ=262, CALC_GEQ=263, CALC_LES=264, CALC_GRE=265, CALC_SUM=266, CALC_MEAN=267, CALC_SQRT=268, CALC_MIN=269, CALC_MIN_IN=270, CALC_MAX=271, CALC_MAX_IN=272, CALC_SIN=273, CALC_COS=274, CALC_TAN=275, CALC_ASIN=276, CALC_ACOS=278, CALC_ATAN=279, CALC_TDIF=280, CALC_ROUND=281, CALC_DATE=282, CALC_MONTH=283, CALC_DAY=284 }; //-- Calculate Operations Strings ----------------------------------------- extern const sal_Char __FAR_DATA sCalc_Add[]; extern const sal_Char __FAR_DATA sCalc_Sub[]; extern const sal_Char __FAR_DATA sCalc_Mul[]; extern const sal_Char __FAR_DATA sCalc_Div[]; extern const sal_Char __FAR_DATA sCalc_Phd[]; extern const sal_Char __FAR_DATA sCalc_Sqrt[]; extern const sal_Char __FAR_DATA sCalc_Pow[]; extern const sal_Char __FAR_DATA sCalc_Or[]; extern const sal_Char __FAR_DATA sCalc_Xor[]; extern const sal_Char __FAR_DATA sCalc_And[]; extern const sal_Char __FAR_DATA sCalc_Not[]; extern const sal_Char __FAR_DATA sCalc_Eq[]; extern const sal_Char __FAR_DATA sCalc_Neq[]; extern const sal_Char __FAR_DATA sCalc_Leq[]; extern const sal_Char __FAR_DATA sCalc_Geq[]; extern const sal_Char __FAR_DATA sCalc_L[]; extern const sal_Char __FAR_DATA sCalc_G[]; extern const sal_Char __FAR_DATA sCalc_Sum[]; extern const sal_Char __FAR_DATA sCalc_Mean[]; extern const sal_Char __FAR_DATA sCalc_Min[]; extern const sal_Char __FAR_DATA sCalc_Max[]; extern const sal_Char __FAR_DATA sCalc_Sin[]; extern const sal_Char __FAR_DATA sCalc_Cos[]; extern const sal_Char __FAR_DATA sCalc_Tan[]; extern const sal_Char __FAR_DATA sCalc_Asin[]; extern const sal_Char __FAR_DATA sCalc_Acos[]; extern const sal_Char __FAR_DATA sCalc_Atan[]; extern const sal_Char __FAR_DATA sCalc_Tdif[]; extern const sal_Char __FAR_DATA sCalc_Round[]; extern const sal_Char __FAR_DATA sCalc_Date[]; /****************************************************************************** * Calculate ErrorCodes ******************************************************************************/ enum SwCalcError { CALC_NOERR=0, CALC_SYNTAX, // Syntax Fehler CALC_ZERODIV, // Division durch Null CALC_BRACK, // Fehlerhafte Klammerung CALC_POWERR, // Ueberlauf in Quadratfunktion CALC_VARNFND, // Variable wurde nicht gefunden CALC_OVERFLOW, // Ueberlauf CALC_WRONGTIME // falsches Zeitformat }; class SwSbxValue : public SbxValue { bool bVoid; public: //JP 03.02.99: immer auf eine Zahl defaulten, damit auch gerechnet wird. // Ansonsten wird daraus ein SbxEMPTY und damit ist nichts // anzufangen. SwSbxValue( long n = 0 ) : bVoid(false) { PutLong( n ); } SwSbxValue( const double& rD ) : bVoid(false) { PutDouble( rD ); } SwSbxValue( const SwSbxValue& rVal ) : SvRefBase( rVal ), SbxValue( rVal ), bVoid(rVal.bVoid) {} virtual ~SwSbxValue(); // Strings sonderbehandeln BOOL GetBool() const; // Strings sonderbehandeln BOOLs sonderbehandeln double GetDouble() const; SwSbxValue& MakeDouble(); bool IsVoidValue() {return bVoid;} void SetVoidValue(bool bSet) {bVoid = bSet;} }; /****************************************************************************** * Calculate HashTables fuer VarTable und Operations ******************************************************************************/ struct SwHash { SwHash( const String& rStr ); virtual ~SwHash(); String aStr; SwHash *pNext; }; struct SwCalcExp : public SwHash { SwSbxValue nValue; const SwFieldType* pFldType; SwCalcExp( const String& rStr, const SwSbxValue& rVal, const SwFieldType* pFldType = 0 ); }; SwHash* Find( const String& rSrch, SwHash** ppTable, USHORT nTblSize, USHORT* pPos = 0 ); void DeleteHashTable( SwHash** ppTable, USHORT nTblSize ); // falls _CalcOp != 0, dann ist das ein gueltiger Operator struct _CalcOp; _CalcOp* FindOperator( const String& rSearch ); /****************************************************************************** * class SwCalc ******************************************************************************/ class SwCalc { SwHash* VarTable[ TBLSZ ]; String aVarName, sCurrSym; String sCommand; SvPtrarr aRekurStk; SwSbxValue nLastLeft; SwSbxValue nNumberValue; SwCalcExp aErrExpr; xub_StrLen nCommandPos; SwDoc& rDoc; SvtSysLocale m_aSysLocale; const LocaleDataWrapper* pLclData; CharClass* pCharClass; USHORT nListPor; SwCalcOper eCurrOper; SwCalcOper eCurrListOper; SwCalcError eError; SwCalcOper GetToken(); SwSbxValue Expr(); SwSbxValue Term(); SwSbxValue Prim(); BOOL ParseTime( USHORT*, USHORT*, USHORT* ); String GetColumnName( const String& rName ); String GetDBName( const String& rName ); // dont call this methods SwCalc( const SwCalc& ); SwCalc& operator=( const SwCalc& ); public: SwCalc( SwDoc& rD ); ~SwCalc(); SwSbxValue Calculate( const String &rStr ); String GetStrResult( const SwSbxValue& rValue, BOOL bRound = TRUE ); String GetStrResult( double, BOOL bRound = TRUE ); SwCalcExp* VarInsert( const String& r ); SwCalcExp* VarLook( const String &rStr, USHORT ins = 0 ); void VarChange( const String& rStr, const SwSbxValue& rValue ); void VarChange( const String& rStr, double ); SwHash** GetVarTable() { return VarTable; } BOOL Push( const VoidPtr pPtr ); void Pop( const VoidPtr pPtr ); void SetCalcError( SwCalcError eErr ) { eError = eErr; } BOOL IsCalcError() const { return 0 != eError; } static bool Str2Double( const String& rStr, xub_StrLen& rPos, double& rVal, LocaleDataWrapper const*const pData = 0 ); static bool Str2Double( const String& rStr, xub_StrLen& rPos, double& rVal, SwDoc *const pDoc ); SW_DLLPUBLIC static BOOL IsValidVarName( const String& rStr, String* pValidName = 0 ); }; #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */