382 lines
12 KiB
C++
382 lines
12 KiB
C++
/************************************************************************
|
||
**
|
||
** @file calculator.cpp
|
||
** @author Roman Telezhynskyi <dismine(at)gmail.com>
|
||
** @date November 15, 2013
|
||
**
|
||
** @brief
|
||
** @copyright
|
||
** This source code is part of the Valentine project, a pattern making
|
||
** program, whose allow create and modeling patterns of clothing.
|
||
** Copyright (C) 2013 Valentina project
|
||
** <https://bitbucket.org/dismine/valentina> All Rights Reserved.
|
||
**
|
||
** Valentina is free software: you can redistribute it and/or modify
|
||
** it under the terms of the GNU General Public License as published by
|
||
** the Free Software Foundation, either version 3 of the License, or
|
||
** (at your option) any later version.
|
||
**
|
||
** Valentina 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 General Public License for more details.
|
||
**
|
||
** You should have received a copy of the GNU General Public License
|
||
** along with Valentina. If not, see <http://www.gnu.org/licenses/>.
|
||
**
|
||
*************************************************************************/
|
||
|
||
#include "calculator.h"
|
||
#include <QDebug>
|
||
#include <QSettings>
|
||
#include "../widgets/vapplication.h"
|
||
|
||
int Calculator::iVal = -1;
|
||
|
||
//---------------------------------------------------------------------------------------------------------------------
|
||
/**
|
||
* @brief Calculator class constructor. Make easy initialization math parser.
|
||
*
|
||
* This constructor hide initialization variables, operators, character sets.
|
||
* Use this constuctor for evaluation formula. All formulas must be converted to internal look.
|
||
* Example:
|
||
*
|
||
* const QString formula = qApp->FormulaFromUser(edit->text());
|
||
* Calculator *cal = new Calculator(data);
|
||
* const qreal result = cal->EvalFormula(formula);
|
||
* delete cal;
|
||
*
|
||
* @param data pointer to a variable container.
|
||
*/
|
||
Calculator::Calculator(const VContainer *data)
|
||
:QmuParser(), vVarVal(nullptr)
|
||
{
|
||
InitCharacterSets();
|
||
|
||
// Add variables
|
||
InitVariables(data);
|
||
|
||
// Add unary operators
|
||
DefinePostfixOprt(cm_Oprt, CmUnit);
|
||
DefinePostfixOprt(mm_Oprt, MmUnit);
|
||
DefinePostfixOprt(in_Oprt, InchUnit);
|
||
|
||
SetArgSep(',');
|
||
SetDecSep('.');
|
||
}
|
||
|
||
//---------------------------------------------------------------------------------------------------------------------
|
||
/**
|
||
* @brief Calculator class constructor. Make easy initialization math parser.
|
||
*
|
||
* This constructor hide initialization variables, operators, character sets.
|
||
* Use this constuctor to get tokens from formula. All formulas must be converted to external look.
|
||
* Example:
|
||
*
|
||
* Calculator *cal = new Calculator(formula, false);
|
||
* tokens = cal->GetTokens();
|
||
* numbers = cal->GetNumbers();
|
||
* delete cal;
|
||
*
|
||
* @param data pointer to a variable container.
|
||
* @param fromUser true if we parse formula from user
|
||
*/
|
||
Calculator::Calculator(const QString &formula, bool fromUser)
|
||
:QmuParser(), vVarVal(nullptr)
|
||
{
|
||
InitCharacterSets();
|
||
SetVarFactory(AddVariable, this);
|
||
|
||
// Add unary operators
|
||
if(fromUser)
|
||
{
|
||
DefinePostfixOprt(qApp->PostfixOperator(cm_Oprt), CmUnit);
|
||
DefinePostfixOprt(qApp->PostfixOperator(mm_Oprt), MmUnit);
|
||
DefinePostfixOprt(qApp->PostfixOperator(in_Oprt), InchUnit);
|
||
|
||
QSettings settings(QSettings::IniFormat, QSettings::UserScope, QApplication::organizationName(),
|
||
QApplication::applicationName());
|
||
bool osSeparatorValue = settings.value("configuration/osSeparator", 1).toBool();
|
||
|
||
if (osSeparatorValue)
|
||
{
|
||
QLocale loc = QLocale::system();
|
||
SetDecSep(loc.decimalPoint().toLatin1());
|
||
SetThousandsSep(loc.groupSeparator().toLatin1());
|
||
SetArgSep(';');
|
||
}
|
||
else
|
||
{
|
||
SetArgSep(',');
|
||
SetDecSep('.');
|
||
}
|
||
}
|
||
else
|
||
{
|
||
DefinePostfixOprt(cm_Oprt, CmUnit);
|
||
DefinePostfixOprt(mm_Oprt, MmUnit);
|
||
DefinePostfixOprt(in_Oprt, InchUnit);
|
||
|
||
SetArgSep(',');
|
||
SetDecSep('.');
|
||
}
|
||
|
||
SetExpr(formula);
|
||
//Need run for making tokens. Don't catch exception here, because it will show us in dialog that formula has error.
|
||
Eval();
|
||
}
|
||
|
||
Calculator::~Calculator()
|
||
{
|
||
delete [] vVarVal;
|
||
Calculator::iVal = -1;
|
||
}
|
||
|
||
//---------------------------------------------------------------------------------------------------------------------
|
||
/**
|
||
* @brief eval calculate formula.
|
||
* @param formula string of formula.
|
||
* @return value of formula.
|
||
*/
|
||
qreal Calculator::EvalFormula(const QString &formula)
|
||
{
|
||
SetExpr(formula);
|
||
return Eval();
|
||
}
|
||
|
||
//---------------------------------------------------------------------------------------------------------------------
|
||
void Calculator::InitVariables(const VContainer *data)
|
||
{
|
||
int num = 0;
|
||
if (qApp->patternType() == Pattern::Standard)
|
||
{
|
||
num +=2;
|
||
}
|
||
|
||
const QHash<QString, qreal> *lengthLines = data->DataLengthLines();
|
||
num += lengthLines->size();
|
||
|
||
const QHash<QString, qreal> *lengthSplines = data->DataLengthSplines();
|
||
num += lengthSplines->size();
|
||
|
||
const QHash<QString, qreal> *lengthArcs = data->DataLengthArcs();
|
||
num += lengthArcs->size();
|
||
|
||
const QHash<QString, qreal> *lineAngles = data->DataLineAngles();
|
||
num += lineAngles->size();
|
||
|
||
const QHash<QString, VMeasurement> *measurements = data->DataMeasurements();
|
||
num += measurements->size();
|
||
|
||
const QHash<QString, VIncrement> *increments = data->DataIncrements();
|
||
num += increments->size();
|
||
|
||
vVarVal = new qreal[num];
|
||
int j = 0;
|
||
|
||
if (qApp->patternType() == Pattern::Standard)
|
||
{
|
||
vVarVal[j] = data->size();
|
||
DefineVar(data->SizeName(), &vVarVal[j]);
|
||
++j;
|
||
|
||
vVarVal[j] = data->height();
|
||
DefineVar(data->HeightName(), &vVarVal[j]);
|
||
++j;
|
||
}
|
||
|
||
{
|
||
QHash<QString, qreal>::const_iterator i = lengthLines->constBegin();
|
||
while (i != lengthLines->constEnd())
|
||
{
|
||
vVarVal[j] = i.value();
|
||
DefineVar(i.key(), &vVarVal[j]);
|
||
++j;
|
||
++i;
|
||
}
|
||
}
|
||
|
||
{
|
||
QHash<QString, qreal>::const_iterator i = lengthSplines->constBegin();
|
||
while (i != lengthSplines->constEnd())
|
||
{
|
||
vVarVal[j] = i.value();
|
||
DefineVar(i.key(), &vVarVal[j]);
|
||
++j;
|
||
++i;
|
||
}
|
||
}
|
||
|
||
{
|
||
QHash<QString, qreal>::const_iterator i = lengthArcs->constBegin();
|
||
while (i != lengthArcs->constEnd())
|
||
{
|
||
vVarVal[j] = i.value();
|
||
DefineVar(i.key(), &vVarVal[j]);
|
||
++j;
|
||
++i;
|
||
}
|
||
}
|
||
|
||
{
|
||
QHash<QString, qreal>::const_iterator i = lineAngles->constBegin();
|
||
while (i != lineAngles->constEnd())
|
||
{
|
||
vVarVal[j] = i.value();
|
||
DefineVar(i.key(), &vVarVal[j]);
|
||
++j;
|
||
++i;
|
||
}
|
||
}
|
||
|
||
{
|
||
QHash<QString, VMeasurement>::const_iterator i = measurements->constBegin();
|
||
while (i != measurements->constEnd())
|
||
{
|
||
if (qApp->patternType() == Pattern::Standard)
|
||
{
|
||
vVarVal[j] = i.value().GetValue(data->size(), data->height());
|
||
}
|
||
else
|
||
{
|
||
vVarVal[j] = i.value().GetValue();
|
||
}
|
||
DefineVar(i.key(), &vVarVal[j]);
|
||
++j;
|
||
++i;
|
||
}
|
||
}
|
||
|
||
{
|
||
QHash<QString, VIncrement>::const_iterator i = increments->constBegin();
|
||
while (i != increments->constEnd())
|
||
{
|
||
if (qApp->patternType() == Pattern::Standard)
|
||
{
|
||
vVarVal[j] = i.value().GetValue(data->size(), data->height());
|
||
}
|
||
else
|
||
{
|
||
vVarVal[j] = i.value().GetValue();
|
||
}
|
||
DefineVar(i.key(), &vVarVal[j]);
|
||
++j;
|
||
++i;
|
||
}
|
||
}
|
||
}
|
||
|
||
//---------------------------------------------------------------------------------------------------------------------
|
||
void Calculator::InitCharacterSets()
|
||
{
|
||
//String with all unique symbols for supported alpabets.
|
||
// See script alphabets.py for generation and more information.
|
||
const QString symbols = QStringLiteral("ցЀĆЈVӧĎАғΕĖӅИқΝĞơРңњΥĦШҫ̆جگĮаҳѕεشԶиһνԾрυلՆӝшËՎҔPÓՖXӛӟŞӣզhëծpóӞնxßվāŁЃֆĉЋCŬđ"
|
||
"ҐГΒęҘЛΚŘġҠУGاհЫدԱҰгβطԹõлκKՁÀуςهՉÈыvیՑÐSOřӘћաőcӐթèkàѓżűðsķչøӥӔĀփїІĈЎґĐΗЖҙĘȚ"
|
||
"ΟОҡĠآΧЦتЮұİزηжԸغοоÁՀقχцÉՈيюÑՐђӋіәťӆўáŠĺѐfөըnñŰӤӨӹոľЁրăЉŭċБӸēłΔҖЙŤěΜӜDСձģΤӰ"
|
||
"ЩīņحҮбưԳصδHйԻŇμӲӴсՃمτƠщՋєLQŹՓŕÖYśÞaգĽæiŽիӓîqճöyջþĂօЄӦĊЌΑĒДҗјΙȘĚМΡéĵĢФūӚΩبĪ"
|
||
"ЬүќαذԲдҷιظԺмρՂфÇωوՊьÏՒTŚĻJբdçժlïӪղtպӫAւąЇčŃЏĕӯЗΖEțŮĝПΞأĥĹЧΦثÆӳЯIسŲԵзζԽпξكՅ"
|
||
"ÄчφNMՍӌяӢՕÔWÎŝÜџёźեägխoӒյôwĶBžսüЂĄև̈ЊČƏљΓВҕĔӮΛКĜΣТҥĤکЪƯخγвŅԴŪضλкԼĴσтÅՄنъÍՌR"
|
||
"ӕՔZÝŜbåդﻩjíլļrӵմzýռپêЅքćچЍďӱҒЕůėژșΘØҚНğńءΠFҢХħΨҪЭųįҶرҲеԷňعθҺнԿفπÂхՇψÊэšՏÒU"
|
||
"əÚѝŻşҤӑâeէŐımկòuշÕúտŔ");
|
||
|
||
// Defining identifier character sets
|
||
DefineNameChars(QStringLiteral("0123456789_") + symbols);
|
||
DefineOprtChars(symbols + QStringLiteral("+-*^/?<>=#!$%&|~'_"));
|
||
}
|
||
|
||
//---------------------------------------------------------------------------------------------------------------------
|
||
qreal Calculator::CmUnit(qreal val)
|
||
{
|
||
qreal unit = val;
|
||
switch(qApp->patternUnit())
|
||
{
|
||
case Valentina::Mm:
|
||
unit = val * 10.0;
|
||
break;
|
||
case Valentina::Cm:
|
||
break;
|
||
case Valentina::Inch:
|
||
unit = val / 2.54;
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
|
||
return unit;
|
||
}
|
||
|
||
//---------------------------------------------------------------------------------------------------------------------
|
||
qreal Calculator::MmUnit(qreal val)
|
||
{
|
||
qreal unit = val;
|
||
switch(qApp->patternUnit())
|
||
{
|
||
case Valentina::Mm:
|
||
break;
|
||
case Valentina::Cm:
|
||
unit = val / 10.0;
|
||
break;
|
||
case Valentina::Inch:
|
||
unit = val / 25.4;
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
|
||
return unit;
|
||
}
|
||
|
||
//---------------------------------------------------------------------------------------------------------------------
|
||
qreal Calculator::InchUnit(qreal val)
|
||
{
|
||
qreal unit = val;
|
||
switch(qApp->patternUnit())
|
||
{
|
||
case Valentina::Mm:
|
||
unit = val * 25.4;
|
||
break;
|
||
case Valentina::Cm:
|
||
unit = val * 2.54;
|
||
break;
|
||
case Valentina::Inch:
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
|
||
return unit;
|
||
}
|
||
|
||
//---------------------------------------------------------------------------
|
||
// Factory function for creating new parser variables
|
||
// This could as well be a function performing database queries.
|
||
qreal* Calculator::AddVariable(const QString &a_szName, void *a_pUserData)
|
||
{
|
||
// I don't want dynamic allocation here, so i used this static buffer
|
||
// If you want dynamic allocation you must allocate all variables dynamically
|
||
// in order to delete them later on. Or you find other ways to keep track of
|
||
// variables that have been created implicitely.
|
||
static qreal afValBuf[100];
|
||
|
||
++iVal;
|
||
|
||
Q_UNUSED(a_szName)
|
||
Q_UNUSED(a_pUserData)
|
||
// qDebug() << "Generating new variable \""
|
||
// << a_szName << "\" (slots left: "
|
||
// << 99-iVal << ")"
|
||
// << " User data pointer is:"
|
||
// << QString::number(a_pUserData, 16);
|
||
afValBuf[iVal] = 0;
|
||
|
||
if (iVal>=99)
|
||
{
|
||
throw qmu::QmuParserError( "Variable buffer overflow." );
|
||
}
|
||
else
|
||
{
|
||
return &afValBuf[iVal];
|
||
}
|
||
}
|