Differential D1875 Diff 5658 libs/widgetutils/kis_num_parser.h

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libs/widgetutils/kis_num_parser.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 "kritawidgetutils_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		KRITAWIDGETUTILS_EXPORT double parseSimpleMathExpr(QString const& expr, bool* noProblem = 0);
		36
		37		//! \brief parse an expression to an int.
		38		KRITAWIDGETUTILS_EXPORT int parseIntegerMathExpr(QString const& expr, bool* noProblem = 0);
		39		}
		40
		41		#endif // KIS_NUMPARSER_H
		42