LibrePCB Developers Documentation
mathparser.h
Go to the documentation of this file.
1 /*
2  * LibrePCB - Professional EDA for everyone!
3  * Copyright (C) 2013 LibrePCB Developers, see AUTHORS.md for contributors.
4  * https://librepcb.org/
5  *
6  * This program is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program. If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef LIBREPCB_MATHPARSER_H
21 #define LIBREPCB_MATHPARSER_H
22 
23 /*******************************************************************************
24  * Includes
25  ******************************************************************************/
26 #include <QtCore>
27 
28 /*******************************************************************************
29  * Namespace / Forward Declarations
30  ******************************************************************************/
31 namespace librepcb {
32 
33 /*******************************************************************************
34  * Class MathParser
35  ******************************************************************************/
36 
45 class MathParser {
46  Q_DECLARE_TR_FUNCTIONS(MathParser)
47 
48 public:
49  struct Result {
50  bool valid;
51  qreal value;
52  QString error;
53 
54  Result() : valid(false), value(0), error() {}
55  };
56 
57  // Constructors / Destructor
58  MathParser() noexcept;
59  MathParser(const MathParser& other) = delete;
60  virtual ~MathParser() noexcept;
61 
62  // General Methods
63 
72  void setLocale(const QLocale& locale) noexcept;
73 
82  Result parse(const QString& expression) const noexcept;
83 
84  // Operator Overloadings
85  MathParser& operator=(const MathParser& rhs) = delete;
86 
87 private:
88  QLocale mLocale;
89 };
90 
91 /*******************************************************************************
92  * End of File
93  ******************************************************************************/
94 
95 } // namespace librepcb
96 
97 #endif // LIBREPCB_MATHPARSER_H
QString error
Definition: mathparser.h:52
Definition: airwiresbuilder.cpp:32
MathParser() noexcept
Definition: mathparser.cpp:36
void setLocale(const QLocale &locale) noexcept
Set the locale to be used for parsing numbers.
Definition: mathparser.cpp:46
qreal value
Definition: mathparser.h:51
Result parse(const QString &expression) const noexcept
Parse expression.
Definition: mathparser.cpp:50
Mathematical expression parser.
Definition: mathparser.h:45
MathParser & operator=(const MathParser &rhs)=delete
Result()
Definition: mathparser.h:54
bool valid
Definition: mathparser.h:50
Definition: mathparser.h:49
virtual ~MathParser() noexcept
Definition: mathparser.cpp:39
QLocale mLocale
The locale used for parsing numbers.
Definition: mathparser.h:88