JSBSim Flight Dynamics Model  1.0 (02 March 2017)
An Open Source Flight Dynamics and Control Software Library in C++
FGCondition.h
1 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2 
3  Header: FGCondition.h
4  Author: Jon S. Berndt
5  Date started: 1/02/2003
6 
7  ------------- Copyright (C) -------------
8 
9  This program is free software; you can redistribute it and/or modify it under
10  the terms of the GNU Lesser General Public License as published by the Free Software
11  Foundation; either version 2 of the License, or (at your option) any later
12  version.
13 
14  This program is distributed in the hope that it will be useful, but WITHOUT
15  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
16  FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
17  details.
18 
19  You should have received a copy of the GNU Lesser General Public License along with
20  this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21  Place - Suite 330, Boston, MA 02111-1307, USA.
22 
23  Further information about the GNU Lesser General Public License can also be found on
24  the world wide web at http://www.gnu.org.
25 
26 HISTORY
27 --------------------------------------------------------------------------------
28 
29 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
30 SENTRY
31 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
32 
33 #ifndef FGCONDITION_H
34 #define FGCONDITION_H
35 
36 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
37 INCLUDES
38 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
39 
40 #include <map>
41 #include "FGJSBBase.h"
42 
43 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
44 DEFINITIONS
45 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
46 
47 #define ID_CONDITION "$Id: FGCondition.h,v 1.8 2015/02/27 20:36:47 bcoconni Exp $"
48 
49 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
50 FORWARD DECLARATIONS
51 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
52 
53 namespace JSBSim {
54 
55 class FGPropertyManager;
56 class FGPropertyValue;
57 class Element;
58 
59 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
60 CLASS DOCUMENTATION
61 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
62 
66 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
67 CLASS DECLARATION
68 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
69 
70 class FGCondition : public FGJSBBase
71 {
72 public:
73  FGCondition(Element* element, FGPropertyManager* PropertyManager);
74  FGCondition(const std::string& test, FGPropertyManager* PropertyManager);
75  ~FGCondition(void);
76 
77  bool Evaluate(void);
78  void PrintCondition(std::string indent=" ");
79 
80 private:
81  enum eComparison {ecUndef=0, eEQ, eNE, eGT, eGE, eLT, eLE};
82  enum eLogic {elUndef=0, eAND, eOR};
83  std::map <std::string, eComparison> mComparison;
84  eLogic Logic;
85 
86  //FGPropertyManager *PropertyManager;
87  FGPropertyValue *TestParam1, *TestParam2;
88  double TestValue;
89  eComparison Comparison;
90  bool isGroup;
91  std::string conditional;
92 
93  static std::string indent;
94 
95  std::vector <FGCondition*> conditions;
96  void InitializeConditionals(void);
97 
98  void Debug(int from);
99 };
100 }
101 #endif
102 
JSBSim::FGPropertyValue
Represents a property value which can use late binding.
Definition: FGPropertyValue.h:65
JSBSim::FGJSBBase
JSBSim Base class.
Definition: FGJSBBase.h:80
JSBSim::FGCondition
Encapsulates a condition, which is used in parts of JSBSim including switches.
Definition: FGCondition.h:70