218 lines
8 KiB
C++
218 lines
8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <memory>
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#include <vector>
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#include <unordered_map>
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#include <i18nlangtag/lang.h>
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#include <basic/sbxvar.hxx>
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#include <unotools/syslocale.hxx>
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#include <rtl/ustrbuf.hxx>
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#include <tools/solar.h>
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#include <tools/long.hxx>
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#include <o3tl/safeint.hxx>
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#include "swdllapi.h"
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class CharClass;
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class LocaleDataWrapper;
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class SwFieldType;
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class SwDoc;
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class SwUserFieldType;
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const sal_Unicode cListDelim = '|';
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enum SwCalcOper
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{
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CALC_NAME, CALC_NUMBER, CALC_ENDCALC,
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CALC_PLUS='+', CALC_MINUS='-', CALC_MUL='*',
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CALC_DIV='/', CALC_PRINT=';', CALC_ASSIGN='=',
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CALC_LP='(', CALC_RP=')', CALC_PHD='%',
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CALC_POW='^',
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CALC_NOT=256, CALC_AND=257, CALC_OR=258,
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CALC_XOR=259, CALC_EQ=260, CALC_NEQ=261,
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CALC_LEQ=262, CALC_GEQ=263, CALC_LES=264,
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CALC_GRE=265, CALC_SUM=266, CALC_MEAN=267,
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CALC_SQRT=268, CALC_MIN=269, CALC_MIN_IN=270,
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CALC_MAX=271, CALC_MAX_IN=272, CALC_SIN=273,
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CALC_COS=274, CALC_TAN=275, CALC_ASIN=276,
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CALC_ACOS=278, CALC_ATAN=279, CALC_TDIF=280,
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CALC_ROUND=281, CALC_DATE=282, CALC_MONTH=283,
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CALC_DAY=284, CALC_PRODUCT=285, CALC_AVERAGE=286,
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CALC_COUNT=287, CALC_SIGN=288, CALC_ABS=289,
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CALC_INT=290
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};
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// Calculate Operations Strings
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inline constexpr OUString sCalc_Add = u"add"_ustr;
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inline constexpr OUString sCalc_Sub = u"sub"_ustr;
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inline constexpr OUString sCalc_Mul = u"mul"_ustr;
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inline constexpr OUString sCalc_Div = u"div"_ustr;
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inline constexpr OUString sCalc_Phd = u"phd"_ustr;
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inline constexpr OUString sCalc_Sqrt = u"sqrt"_ustr;
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inline constexpr OUString sCalc_Pow = u"pow"_ustr;
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inline constexpr OUString sCalc_Or = u"or"_ustr;
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inline constexpr OUString sCalc_Xor = u"xor"_ustr;
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inline constexpr OUString sCalc_And = u"and"_ustr;
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inline constexpr OUString sCalc_Not = u"not"_ustr;
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inline constexpr OUString sCalc_Eq = u"eq"_ustr;
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inline constexpr OUString sCalc_Neq = u"neq"_ustr;
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inline constexpr OUString sCalc_Leq = u"leq"_ustr;
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inline constexpr OUString sCalc_Geq = u"geq"_ustr;
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inline constexpr OUString sCalc_L = u"l"_ustr;
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inline constexpr OUString sCalc_G = u"g"_ustr;
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inline constexpr OUString sCalc_Sum = u"sum"_ustr;
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inline constexpr OUString sCalc_Mean = u"mean"_ustr;
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inline constexpr OUString sCalc_Min = u"min"_ustr;
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inline constexpr OUString sCalc_Max = u"max"_ustr;
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inline constexpr OUString sCalc_Sin = u"sin"_ustr;
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inline constexpr OUString sCalc_Cos = u"cos"_ustr;
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inline constexpr OUString sCalc_Tan = u"tan"_ustr;
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inline constexpr OUString sCalc_Asin = u"asin"_ustr;
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inline constexpr OUString sCalc_Acos = u"acos"_ustr;
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inline constexpr OUString sCalc_Atan = u"atan"_ustr;
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inline constexpr OUString sCalc_Round= u"round"_ustr;
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inline constexpr OUString sCalc_Date = u"date"_ustr;
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inline constexpr OUString sCalc_Product = u"product"_ustr;
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inline constexpr OUString sCalc_Average = u"average"_ustr;
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inline constexpr OUString sCalc_Count= u"count"_ustr;
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inline constexpr OUString sCalc_Sign = u"sign"_ustr;
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inline constexpr OUString sCalc_Abs = u"abs"_ustr;
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inline constexpr OUString sCalc_Int = u"int"_ustr;
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// Calculate ErrorCodes
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enum class SwCalcError
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{
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NONE=0,
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NaN, // not a number (not an error, used for interoperability)
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Syntax, // syntax error
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DivByZero, // division by zero
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FaultyBrackets, // faulty brackets
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OverflowInPower, // overflow in power function
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Overflow, // overflow
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};
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class SwSbxValue final : public SbxValue
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{
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bool m_bVoid;
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bool m_bDBvalue;
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public:
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// always default to a number. otherwise it will become a SbxEMPTY
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SwSbxValue( tools::Long n = 0 ) : m_bVoid(false), m_bDBvalue(false) { PutLong( n ); }
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SwSbxValue( const double& rD ) : m_bVoid(false), m_bDBvalue(false) { PutDouble( rD ); }
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bool GetBool() const;
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double GetDouble() const;
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SwSbxValue& MakeDouble();
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bool IsVoidValue() const {return m_bVoid;}
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void SetVoidValue(bool bSet) {m_bVoid = bSet;}
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bool IsDBvalue() const {return m_bDBvalue;}
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void SetDBvalue(bool bSet) {m_bDBvalue = bSet;}
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};
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struct SwCalcExp
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{
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SwSbxValue nValue;
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const SwFieldType* pFieldType;
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SwCalcExp( SwSbxValue aVal, const SwFieldType* pFieldType );
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};
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// if CalcOp != 0, this is a valid operator
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struct CalcOp;
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CalcOp* FindOperator( const OUString& rSearch );
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extern "C" typedef double (*pfCalc)(double);
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class SwCalc
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{
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std::unordered_map<OUString, SwCalcExp> m_aVarTable;
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OUStringBuffer m_aVarName;
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OUString m_sCurrSym;
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OUString m_sCommand;
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std::vector<const SwUserFieldType*> m_aRekurStack;
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SwSbxValue m_nLastLeft;
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SwSbxValue m_nNumberValue;
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SwCalcExp m_aErrExpr;
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sal_Int32 m_nCommandPos;
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SwDoc& m_rDoc;
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std::unique_ptr<LocaleDataWrapper> m_xLocaleDataWrapper;
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CharClass* m_pCharClass;
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sal_uInt16 m_nListPor;
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bool m_bHasNumber; // fix COUNT() and AVERAGE(), if all cells are NaN
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SwCalcOper m_eCurrOper;
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SwCalcOper m_eCurrListOper;
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SwCalcError m_eError;
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SwCalcOper GetToken();
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SwSbxValue Expr();
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SwSbxValue Term();
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SwSbxValue PrimFunc(bool &rChkPow);
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SwSbxValue Prim();
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SwSbxValue StdFunc(pfCalc pFnc, bool bChkTrig);
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static OUString GetColumnName( const OUString& rName );
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OUString GetDBName( std::u16string_view rName );
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SwCalc( const SwCalc& ) = delete;
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SwCalc& operator=( const SwCalc& ) = delete;
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void ImplDestroy();
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public:
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SwCalc(SwDoc& rD);
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~SwCalc();
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SwSbxValue Calculate( const OUString &rStr );
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OUString GetStrResult( const SwSbxValue& rValue );
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OUString GetStrResult( double );
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SwCalcExp* VarInsert( const OUString& r );
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SwCalcExp* VarLook( const OUString &rStr, bool bIns = false );
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void VarChange( const OUString& rStr, const SwSbxValue& rValue );
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void VarChange( const OUString& rStr, double );
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std::unordered_map<OUString, SwCalcExp> & GetVarTable() { return m_aVarTable; }
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bool Push(const SwUserFieldType* pUserFieldType);
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void Pop();
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const CharClass* GetCharClass() const;
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void SetCharClass(const LanguageTag& rLanguageTag);
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void SetCalcError( SwCalcError eErr ) { m_eError = eErr; }
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bool IsCalcError() const { return SwCalcError::NONE != m_eError && SwCalcError::NaN != m_eError; }
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bool IsCalcNotANumber() const { return SwCalcError::NaN == m_eError; }
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static bool Str2Double( const OUString& rStr, sal_Int32& rPos,
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double& rVal );
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static bool Str2Double( const OUString& rStr, sal_Int32& rPos,
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double& rVal, SwDoc const *const pDoc );
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static LanguageType GetDocAppScriptLang( SwDoc const & rDoc );
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SW_DLLPUBLIC static bool IsValidVarName( const OUString& rStr,
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OUString* pValidName = nullptr );
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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