src/FDM/JSBSim/math/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 <string>
  42
  43 #include <FGJSBBase.h>
  44 #include <input_output/FGXMLElement.h>
  45 #include <input_output/FGPropertyManager.h>
  46
  47 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  48 DEFINITIONS
  49 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  50
  51 #define ID_CONDITION "$Id$"
  52
  53 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  54 FORWARD DECLARATIONS
  55 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  56
  57 namespace JSBSim {
  58
  59 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  60 CLASS DOCUMENTATION
  61 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  62
  63 /** Encapsulates a condition, which is used in parts of JSBSim including switches
  64 */
  65
  66 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  67 CLASS DECLARATION
  68 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  69
  70 class FGCondition : public FGJSBBase
  71 {
  72 public:
  73   FGCondition(Element* element, FGPropertyManager* PropertyManager);
  74   FGCondition(std::string test, FGPropertyManager* PropertyManager);
  75   ~FGCondition(void);
  76
  77   bool Evaluate(void);
  78   void PrintCondition(void);
  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 *TestParam1, *TestParam2, *PropertyManager;
  87   double TestValue;
  88   eComparison Comparison;
  89   bool isGroup;
  90   std::string conditional;
  91
  92   static std::string indent;
  93
  94   std::vector <FGCondition> conditions;
  95   void InitializeConditionals(void);
  96
  97   void Debug(int from);
  98 };
  99 }
 100 #endif
 101