/* -*- 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 SW_CALC_HXX #define SW_CALC_HXX #include #include #include #include "swdllapi.h" class CharClass; class LocaleDataWrapper; class SwFieldType; class SwDoc; class SwUserFieldType; #define TBLSZ 47 // should be a prime, because of hash table 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 sCalc_Add[]; extern const sal_Char sCalc_Sub[]; extern const sal_Char sCalc_Mul[]; extern const sal_Char sCalc_Div[]; extern const sal_Char sCalc_Phd[]; extern const sal_Char sCalc_Sqrt[]; extern const sal_Char sCalc_Pow[]; extern const sal_Char sCalc_Or[]; extern const sal_Char sCalc_Xor[]; extern const sal_Char sCalc_And[]; extern const sal_Char sCalc_Not[]; extern const sal_Char sCalc_Eq[]; extern const sal_Char sCalc_Neq[]; extern const sal_Char sCalc_Leq[]; extern const sal_Char sCalc_Geq[]; extern const sal_Char sCalc_L[]; extern const sal_Char sCalc_G[]; extern const sal_Char sCalc_Sum[]; extern const sal_Char sCalc_Mean[]; extern const sal_Char sCalc_Min[]; extern const sal_Char sCalc_Max[]; extern const sal_Char sCalc_Sin[]; extern const sal_Char sCalc_Cos[]; extern const sal_Char sCalc_Tan[]; extern const sal_Char sCalc_Asin[]; extern const sal_Char sCalc_Acos[]; extern const sal_Char sCalc_Atan[]; extern const sal_Char sCalc_Tdif[]; extern const sal_Char sCalc_Round[]; extern const sal_Char sCalc_Date[]; /****************************************************************************** * Calculate ErrorCodes ******************************************************************************/ enum SwCalcError { CALC_NOERR=0, CALC_SYNTAX, // syntax error CALC_ZERODIV, // division by zero CALC_BRACK, // faulty brackets CALC_POWERR, // overflow in power function CALC_VARNFND, // variable was not found CALC_OVERFLOW, // overflow CALC_WRONGTIME // wrong time format }; class SwSbxValue : public SbxValue { bool bVoid; public: // always default to a number. otherwise it will become a SbxEMPTY 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(); sal_Bool GetBool() const; double GetDouble() const; SwSbxValue& MakeDouble(); bool IsVoidValue() {return bVoid;} void SetVoidValue(bool bSet) {bVoid = bSet;} }; /****************************************************************************** * Calculate HashTables for 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, sal_uInt16 nTblSize, sal_uInt16* pPos = 0 ); void DeleteHashTable( SwHash** ppTable, sal_uInt16 nTblSize ); // if _CalcOp != 0, this is a valid operator struct _CalcOp; _CalcOp* FindOperator( const String& rSearch ); /****************************************************************************** * class SwCalc ******************************************************************************/ class SwCalc { SwHash* VarTable[ TBLSZ ]; String aVarName, sCurrSym; String sCommand; std::vector aRekurStk; SwSbxValue nLastLeft; SwSbxValue nNumberValue; SwCalcExp aErrExpr; xub_StrLen nCommandPos; SwDoc& rDoc; SvtSysLocale m_aSysLocale; const LocaleDataWrapper* pLclData; CharClass* pCharClass; sal_uInt16 nListPor; SwCalcOper eCurrOper; SwCalcOper eCurrListOper; SwCalcError eError; SwCalcOper GetToken(); SwSbxValue Expr(); SwSbxValue Term(); SwSbxValue Prim(); sal_Bool ParseTime( sal_uInt16*, sal_uInt16*, sal_uInt16* ); 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, sal_Bool bRound = sal_True ); String GetStrResult( double, sal_Bool bRound = sal_True ); SwCalcExp* VarInsert( const String& r ); SwCalcExp* VarLook( const String &rStr, sal_uInt16 ins = 0 ); void VarChange( const String& rStr, const SwSbxValue& rValue ); void VarChange( const String& rStr, double ); SwHash** GetVarTable() { return VarTable; } bool Push(const SwUserFieldType* pUserFieldType); void Pop(); void SetCalcError( SwCalcError eErr ) { eError = eErr; } sal_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 sal_Bool IsValidVarName( const String& rStr, String* pValidName = 0 ); }; #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */