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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+#ifndef _CALC_HXX
+#define _CALC_HXX
+
+#include <svl/svarray.hxx>
+#include <unotools/syslocale.hxx>
+
+#ifndef __SBX_SBXVALUE //autogen
+#include <basic/sbxvar.hxx>
+#endif
+#include "swdllapi.h"
+
+class CharClass;
+class LocaleDataWrapper;
+class SwFieldType;
+class SwDoc;
+
+#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;
+ SvPtrarr 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; }
+
+ sal_Bool Push( const VoidPtr pPtr );
+ void Pop( const VoidPtr pPtr );
+
+ 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: */
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