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libs/widgetutils/kis_num_parser.h
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1 | /* | ||||
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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 | |