104 lines
3.9 KiB
C++
104 lines
3.9 KiB
C++
/***************************************************************************************************
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**
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** Copyright (C) 2015 Roman Telezhynskyi
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**
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** Permission is hereby granted, free of charge, to any person obtaining a copy of this
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** software and associated documentation files (the "Software"), to deal in the Software
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** without restriction, including without limitation the rights to use, copy, modify,
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** merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
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** permit persons to whom the Software is furnished to do so, subject to the following conditions:
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**
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** The above copyright notice and this permission notice shall be included in all copies or
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** substantial portions of the Software.
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**
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** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
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** NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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** DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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** OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**
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******************************************************************************************************/
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#include "qmutokenparser.h"
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#include <QMap>
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#include <QStaticStringData>
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#include <QStringData>
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#include <QStringDataPtr>
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#include "qmuparsererror.h"
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namespace qmu
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{
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//---------------------------------------------------------------------------------------------------------------------
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QmuTokenParser::QmuTokenParser()
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{
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InitCharSets();
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief QmuTokenParser class constructor. Make easy initialization math parser.
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*
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* This constructor hide initialization variables, operators, character sets.
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* Use this constuctor to get tokens from formula. All formulas must be converted to external look.
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* Example:
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*
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* QmuTokenParser *cal = new QmuTokenParser(formula, osSeparator, false);
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* tokens = cal->GetTokens();
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* numbers = cal->GetNumbers();
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* delete cal;
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*
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* @param formula string with formula.
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* @param fromUser true if we parse formula from user
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* @param translatedFunctions relations between translated function names and original. Contains only translated unique
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* names.
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*/
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QmuTokenParser::QmuTokenParser(const QString &formula, bool osSeparator,
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bool fromUser, const QMap<QString, QString> &translatedFunctions)
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:QmuFormulaBase()
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{
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InitCharSets();
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SetVarFactory(AddVariable, this);
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SetSepForTr(osSeparator, fromUser);
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// Fix for issue #776. Valentina cannot recognize translated functions.
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QMap<QString, QString>::const_iterator i = translatedFunctions.constBegin();
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while (i != translatedFunctions.constEnd())
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{
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if (i.key() != i.value())
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{
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auto search = m_FunDef.find(i.value());
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if(search != m_FunDef.end())
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{
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AddCallback(i.key(), search->second, m_FunDef, ValidNameChars());
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}
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}
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++i;
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}
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SetExpr(formula);
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//Need run for making tokens. Don't catch exception here, because we want know if formula has error.
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m_pTokenReader->IgnoreUndefVar(true);
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Eval();
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief IsSingle test formula and return true if it contain only one number.
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*
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* Work only with expressions in internal (C) locale.
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* @param formula expression for test
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* @return true if fomula has single number
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*/
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bool QmuTokenParser::IsSingle(const QString &formula)
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{
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QLocale c(QLocale::C);
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bool ok = false;
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c.toDouble(formula, &ok);
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return ok;
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}
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}// namespace qmu
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