2013-11-15 13:41:26 +01:00
|
|
|
|
/************************************************************************
|
2013-09-18 21:16:19 +02:00
|
|
|
|
**
|
2013-11-15 13:50:05 +01:00
|
|
|
|
** @file calculator.h
|
2014-04-30 07:38:52 +02:00
|
|
|
|
** @author Roman Telezhynskyi <dismine(at)gmail.com>
|
2013-11-15 13:50:05 +01:00
|
|
|
|
** @date November 15, 2013
|
2013-09-18 21:16:19 +02:00
|
|
|
|
**
|
2013-11-15 13:41:26 +01:00
|
|
|
|
** @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.
|
2013-09-18 21:16:19 +02:00
|
|
|
|
**
|
2013-11-15 13:41:26 +01:00
|
|
|
|
** Valentina is free software: you can redistribute it and/or modify
|
2013-09-18 21:16:19 +02:00
|
|
|
|
** 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.
|
|
|
|
|
**
|
2013-10-27 13:36:29 +01:00
|
|
|
|
** Valentina is distributed in the hope that it will be useful,
|
2013-09-18 21:16:19 +02:00
|
|
|
|
** 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/>.
|
|
|
|
|
**
|
2013-11-15 13:41:26 +01:00
|
|
|
|
*************************************************************************/
|
2013-09-18 21:16:19 +02:00
|
|
|
|
|
2013-07-17 13:38:11 +02:00
|
|
|
|
#ifndef CALCULATOR_H
|
|
|
|
|
#define CALCULATOR_H
|
|
|
|
|
|
|
|
|
|
#include "vcontainer.h"
|
|
|
|
|
|
|
|
|
|
/**
|
2013-10-07 17:34:14 +02:00
|
|
|
|
* @brief The Calculator class calculate formulas of pattern. Support operation +,-,/,* and braces.
|
|
|
|
|
* Can replace name of variables her value.
|
2013-07-17 13:38:11 +02:00
|
|
|
|
*/
|
2013-11-04 21:35:15 +01:00
|
|
|
|
class Calculator
|
|
|
|
|
{
|
2013-07-17 13:38:11 +02:00
|
|
|
|
public:
|
2014-05-07 18:55:57 +02:00
|
|
|
|
explicit Calculator(const VContainer *data);
|
2013-10-27 11:22:44 +01:00
|
|
|
|
qreal eval(QString prog, QString *errorMsg);
|
2013-07-17 13:38:11 +02:00
|
|
|
|
private:
|
2013-09-26 20:50:52 +02:00
|
|
|
|
Q_DISABLE_COPY(Calculator)
|
2013-07-17 13:38:11 +02:00
|
|
|
|
/**
|
2013-10-07 17:34:14 +02:00
|
|
|
|
* @brief errorMsg keeps error message of calculation.
|
2013-07-17 13:38:11 +02:00
|
|
|
|
*/
|
2013-10-27 11:22:44 +01:00
|
|
|
|
QString *errorMsg;
|
2013-07-17 13:38:11 +02:00
|
|
|
|
/**
|
|
|
|
|
* @brief token теперішня лексема.
|
|
|
|
|
*/
|
2013-10-27 11:22:44 +01:00
|
|
|
|
QString token;
|
2013-07-17 13:38:11 +02:00
|
|
|
|
/**
|
2013-10-07 17:34:14 +02:00
|
|
|
|
* @brief tok internal representation of token.
|
2013-07-17 13:38:11 +02:00
|
|
|
|
*/
|
2013-10-27 11:22:44 +01:00
|
|
|
|
qint32 tok;
|
2013-07-17 13:38:11 +02:00
|
|
|
|
/**
|
2013-10-07 17:34:14 +02:00
|
|
|
|
* @brief token_type type of token.
|
2013-07-17 13:38:11 +02:00
|
|
|
|
*/
|
2013-10-27 11:22:44 +01:00
|
|
|
|
qint32 token_type;
|
2013-07-17 13:38:11 +02:00
|
|
|
|
/**
|
2013-10-07 17:34:14 +02:00
|
|
|
|
* @brief prog string where keeps formula.
|
2013-07-17 13:38:11 +02:00
|
|
|
|
*/
|
2013-11-18 12:21:59 +01:00
|
|
|
|
QString prog;
|
2013-07-17 13:38:11 +02:00
|
|
|
|
/**
|
2013-10-07 17:34:14 +02:00
|
|
|
|
* @brief index number character in string of formula.
|
|
|
|
|
*/
|
2013-11-18 12:21:59 +01:00
|
|
|
|
qint32 index;
|
2013-10-07 17:34:14 +02:00
|
|
|
|
/**
|
2013-11-19 21:56:49 +01:00
|
|
|
|
* @brief data container with data container of all variables.
|
2013-07-17 13:38:11 +02:00
|
|
|
|
*/
|
2013-07-25 14:00:51 +02:00
|
|
|
|
const VContainer *data;
|
2013-07-17 13:38:11 +02:00
|
|
|
|
/**
|
2013-10-07 17:34:14 +02:00
|
|
|
|
* @brief debugFormula decoded string of formula.
|
|
|
|
|
*/
|
2013-10-27 11:22:44 +01:00
|
|
|
|
QString debugFormula;
|
|
|
|
|
qreal get_exp();
|
2013-11-18 12:21:59 +01:00
|
|
|
|
void get_token();
|
2013-09-12 15:25:24 +02:00
|
|
|
|
static bool StrChr(QString string, QChar c);
|
2013-10-27 11:22:44 +01:00
|
|
|
|
void putback();
|
|
|
|
|
void level2(qreal *result);
|
|
|
|
|
void level3(qreal *result);
|
|
|
|
|
void level4(qreal *result);
|
|
|
|
|
void level5(qreal *result);
|
|
|
|
|
void level6(qreal *result);
|
|
|
|
|
void primitive(qreal *result);
|
2013-09-12 15:25:24 +02:00
|
|
|
|
static void arith(QChar o, qreal *r, qreal *h);
|
|
|
|
|
static void unary(QChar o, qreal *r);
|
2013-10-27 11:22:44 +01:00
|
|
|
|
qreal find_var(QString s);
|
2014-05-11 20:15:32 +02:00
|
|
|
|
// cppcheck-suppress functionStatic
|
2013-10-27 11:22:44 +01:00
|
|
|
|
void serror(qint32 error);
|
2013-09-12 15:25:24 +02:00
|
|
|
|
static char look_up(QString s);
|
|
|
|
|
static bool isdelim(QChar c);
|
|
|
|
|
static bool iswhite(QChar c);
|
2013-07-17 13:38:11 +02:00
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#endif // CALCULATOR_H
|