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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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