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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 <memory>
+#include <vector>
+#include <unordered_map>
+#include <i18nlangtag/lang.h>
+#include <basic/sbxvar.hxx>
+#include <unotools/syslocale.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <tools/solar.h>
+#include <tools/long.hxx>
+#include <o3tl/safeint.hxx>
+#include "swdllapi.h"
+
+class CharClass;
+class LocaleDataWrapper;
+class SwFieldType;
+class SwDoc;
+class SwUserFieldType;
+
+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_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, CALC_PRODUCT=285, CALC_AVERAGE=286,
+ CALC_COUNT=287, CALC_SIGN=288, CALC_ABS=289,
+ CALC_INT=290
+};
+
+// Calculate Operations Strings
+extern const char sCalc_Add[];
+extern const char sCalc_Sub[];
+extern const char sCalc_Mul[];
+extern const char sCalc_Div[];
+extern const char sCalc_Phd[];
+extern const char sCalc_Sqrt[];
+extern const char sCalc_Pow[];
+extern const char sCalc_Or[];
+extern const char sCalc_Xor[];
+extern const char sCalc_And[];
+extern const char sCalc_Not[];
+extern const char sCalc_Eq[];
+extern const char sCalc_Neq[];
+extern const char sCalc_Leq[];
+extern const char sCalc_Geq[];
+extern const char sCalc_L[];
+extern const char sCalc_G[];
+extern const char sCalc_Sum[];
+extern const char sCalc_Mean[];
+extern const char sCalc_Average[];
+extern const char sCalc_Product[];
+extern const char sCalc_Count[];
+extern const char sCalc_Min[];
+extern const char sCalc_Max[];
+extern const char sCalc_Sin[];
+extern const char sCalc_Cos[];
+extern const char sCalc_Tan[];
+extern const char sCalc_Asin[];
+extern const char sCalc_Acos[];
+extern const char sCalc_Atan[];
+extern const char sCalc_Round[];
+extern const char sCalc_Date[];
+extern const char sCalc_Sign[];
+extern const char sCalc_Abs[];
+extern const char sCalc_Int[];
+
+// Calculate ErrorCodes
+enum class SwCalcError
+{
+ NONE=0,
+ NaN, // not a number (not an error, used for interoperability)
+ Syntax, // syntax error
+ DivByZero, // division by zero
+ FaultyBrackets, // faulty brackets
+ OverflowInPower, // overflow in power function
+ Overflow, // overflow
+};
+
+class SwSbxValue final : public SbxValue
+{
+ bool m_bVoid;
+ bool m_bDBvalue;
+public:
+ // always default to a number. otherwise it will become a SbxEMPTY
+ SwSbxValue( tools::Long n = 0 ) : m_bVoid(false), m_bDBvalue(false) { PutLong( n ); }
+ SwSbxValue( const double& rD ) : m_bVoid(false), m_bDBvalue(false) { PutDouble( rD ); }
+
+ bool GetBool() const;
+ double GetDouble() const;
+ SwSbxValue& MakeDouble();
+
+ bool IsVoidValue() const {return m_bVoid;}
+ void SetVoidValue(bool bSet) {m_bVoid = bSet;}
+
+ bool IsDBvalue() const {return m_bDBvalue;}
+ void SetDBvalue(bool bSet) {m_bDBvalue = bSet;}
+};
+
+struct SwCalcExp
+{
+ SwSbxValue nValue;
+ const SwFieldType* pFieldType;
+
+ SwCalcExp( SwSbxValue aVal, const SwFieldType* pFieldType );
+};
+
+
+// if CalcOp != 0, this is a valid operator
+struct CalcOp;
+CalcOp* FindOperator( const OUString& rSearch );
+
+extern "C" typedef double (*pfCalc)(double);
+
+class SwCalc
+{
+ std::unordered_map<OUString, SwCalcExp> m_aVarTable;
+ OUStringBuffer m_aVarName;
+ OUString 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;
+ std::unique_ptr<LocaleDataWrapper> m_xLocaleDataWrapper;
+ CharClass* m_pCharClass;
+
+ sal_uInt16 m_nListPor;
+ bool m_bHasNumber; // fix COUNT() and AVERAGE(), if all cells are NaN
+ SwCalcOper m_eCurrOper;
+ SwCalcOper m_eCurrListOper;
+ SwCalcError m_eError;
+
+ SwCalcOper GetToken();
+ SwSbxValue Expr();
+ SwSbxValue Term();
+ SwSbxValue PrimFunc(bool &rChkPow);
+ SwSbxValue Prim();
+ SwSbxValue StdFunc(pfCalc pFnc, bool bChkTrig);
+
+ static OUString GetColumnName( const OUString& rName );
+ OUString GetDBName( std::u16string_view rName );
+
+ SwCalc( const SwCalc& ) = delete;
+ SwCalc& operator=( const SwCalc& ) = delete;
+
+ void ImplDestroy();
+
+public:
+ SwCalc(SwDoc& rD);
+ ~SwCalc();
+
+ SwSbxValue Calculate( const OUString &rStr );
+ OUString GetStrResult( const SwSbxValue& rValue );
+ OUString GetStrResult( double );
+
+ 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 );
+ std::unordered_map<OUString, SwCalcExp> & GetVarTable() { return m_aVarTable; }
+
+ bool Push(const SwUserFieldType* pUserFieldType);
+ void Pop();
+ const CharClass* GetCharClass() const;
+ void SetCharClass(const LanguageTag& rLanguageTag);
+
+ void SetCalcError( SwCalcError eErr ) { m_eError = eErr; }
+ bool IsCalcError() const { return SwCalcError::NONE != m_eError && SwCalcError::NaN != m_eError; }
+ bool IsCalcNotANumber() const { return SwCalcError::NaN == 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 *const pDoc );
+
+ static LanguageType GetDocAppScriptLang( SwDoc const & rDoc );
+
+ SW_DLLPUBLIC static bool IsValidVarName( const OUString& rStr,
+ OUString* pValidName = nullptr );
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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