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libreoffice/sw/inc/calc.hxx
Miklos Vajna af5fe812c8 sw: prefix members of SwCalc 
Change-Id: I8603ce669c09419919ba9fb93788666f45783caa
Reviewed-on: https://gerrit.libreoffice.org/27998
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Jenkins <ci@libreoffice.org>
2016-08-09 09:02:38 +00:00

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/* -*- 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 INCLUDED_SW_INC_CALC_HXX
#define INCLUDED_SW_INC_CALC_HXX
#include <vector>
#include <basic/sbxvar.hxx>
#include <unotools/syslocale.hxx>
#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 = '|';
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();
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 OUString& rStr );
virtual ~SwHash();
OUString aStr;
SwHash *pNext;
};
struct SwCalcExp : public SwHash
{
SwSbxValue nValue;
const SwFieldType* pFieldType;
SwCalcExp( const OUString& rStr, const SwSbxValue& rVal,
const SwFieldType* pFieldType = nullptr );
};
SwHash* Find( const OUString& rSrch, SwHash* const * ppTable,
sal_uInt16 nTableSize, sal_uInt16* pPos = nullptr );
void DeleteHashTable( SwHash** ppTable, sal_uInt16 nTableSize );
// if CalcOp != 0, this is a valid operator
struct CalcOp;
CalcOp* FindOperator( const OUString& rSearch );
class SwCalc
{
SwHash* m_aVarTable[ TBLSZ ];
OUString m_aVarName, m_sCurrSym;
OUString m_sCommand;
std::vector<const SwUserFieldType*> m_aRekurStack;
SwSbxValue m_nLastLeft;
SwSbxValue m_nNumberValue;
SwCalcExp m_aErrExpr;
sal_Int32 m_nCommandPos;
SwDoc& m_rDoc;
SvtSysLocale m_aSysLocale;
const LocaleDataWrapper* m_pLocaleDataWrapper;
CharClass* m_pCharClass;
sal_uInt16 m_nListPor;
SwCalcOper m_eCurrOper;
SwCalcOper m_eCurrListOper;
SwCalcError m_eError;
SwCalcOper GetToken();
SwSbxValue Expr();
SwSbxValue Term();
SwSbxValue Prim();
static OUString GetColumnName( const OUString& rName );
OUString GetDBName( const OUString& rName );
SwCalc( const SwCalc& ) = delete;
SwCalc& operator=( const SwCalc& ) = delete;
public:
SwCalc( SwDoc& rD );
~SwCalc();
SwSbxValue Calculate( const OUString &rStr );
OUString GetStrResult( const SwSbxValue& rValue );
OUString GetStrResult( double, bool bRound = true );
SwCalcExp* VarInsert( const OUString& r );
SwCalcExp* VarLook( const OUString &rStr, bool bIns = false );
void VarChange( const OUString& rStr, const SwSbxValue& rValue );
void VarChange( const OUString& rStr, double );
SwHash** GetVarTable() { return m_aVarTable; }
bool Push(const SwUserFieldType* pUserFieldType);
void Pop();
void SetCalcError( SwCalcError eErr ) { m_eError = eErr; }
bool IsCalcError() const { return 0 != m_eError; }
static bool Str2Double( const OUString& rStr, sal_Int32& rPos,
double& rVal );
static bool Str2Double( const OUString& rStr, sal_Int32& rPos,
double& rVal, SwDoc *const pDoc );
SW_DLLPUBLIC static bool IsValidVarName( const OUString& rStr,
OUString* pValidName = nullptr );
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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