Differential D1875 Diff 4471 libs/global/kis_numparser.h

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libs/global/kis_numparser.h

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1	/*
2	* Copyright (c) 2016 Laurent Valentin Jospin <laurent.valentin@famillejospin.ch>
3	*
4	* This program is free software; you can redistribute it and/or modify
5	* it under the terms of the GNU General Public License as published by
6	* the Free Software Foundation; either version 2 of the License, or
7	* (at your option) any later version.
8	*
9	* This program is distributed in the hope that it will be useful,
10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12	* GNU General Public License for more details.
13	*
14	* You should have received a copy of the GNU General Public License
15	* along with this program; if not, write to the Free Software
16	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17	*/
18
19	#ifndef KIS_NUMPARSER_H
20	#define KIS_NUMPARSER_H
21
22	#include <QString>
23
24	#include "kritaglobal_export.h"
25
26	/*!
27	* \brief the namespace contains functions to transform math expression written as QString in numbers.
28	*
29	* Computation is done in a recursive way, maybe not the most efficient way compared to infix to postfix conversion before parsing.
30	* (TODO: look if it need to be changed).
31	*/
32	namespace KisNumericParser {
33
34	//! \brief parse an expression to a double.
35	KRITAGLOBAL_EXPORT double parseSimpleMathExpr(QString const& expr, bool* noProblem = 0);
36
37	//! \brief parse an expression to an int.
38	KRITAGLOBAL_EXPORT int parseIntegerMathExpr(QString const& expr, bool* noProblem = 0);
39	}
40
41	#endif // KIS_NUMPARSER_H
42