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src/FDM/JSBSim/filtersjb/FGCondition.cpp
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256
src/FDM/JSBSim/filtersjb/FGCondition.cpp
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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Module: FGCondition.cpp
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Author: Jon S. Berndt
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Date started: 1/2/2003
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-------------- Copyright (C) 2003 Jon S. Berndt (jsb@hal-pc.org) --------------
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place - Suite 330, Boston, MA 02111-1307, USA.
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Further information about the GNU General Public License can also be found on
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the world wide web at http://www.gnu.org.
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HISTORY
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--------------------------------------------------------------------------------
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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COMMENTS, REFERENCES, and NOTES
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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INCLUDES
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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#include "FGCondition.h"
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namespace JSBSim {
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static const char *IdSrc = "$Id$";
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static const char *IdHdr = ID_CONDITION;
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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CLASS IMPLEMENTATION
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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string FGCondition::indent = " ";
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FGCondition::FGCondition(FGConfigFile* AC_cfg, FGPropertyManager* PropertyManager) :
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PropertyManager(PropertyManager)
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{
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string property1, property2;
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mComparison["EQ"] = eEQ;
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mComparison["NE"] = eNE;
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mComparison["GT"] = eGT;
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mComparison["GE"] = eGE;
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mComparison["LT"] = eLT;
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mComparison["LE"] = eLE;
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mComparison["=="] = eEQ;
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mComparison["!="] = eNE;
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mComparison[">"] = eGT;
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mComparison[">="] = eGE;
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mComparison["<"] = eLT;
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mComparison["<="] = eLE;
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TestParam1 = TestParam2 = 0L;
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TestValue = 0.0;
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Comparison = ecUndef;
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Logic = elUndef;
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conditions.clear();
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if (AC_cfg->GetValue("CONDITION_GROUP").empty()) { // define a condition
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*AC_cfg >> property1 >> conditional >> property2;
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TestParam1 = PropertyManager->GetNode(property1);
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Comparison = mComparison[conditional];
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if (property2.find_first_not_of("-.0123456789eE") == string::npos) {
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TestValue = atof(property2.c_str());
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} else {
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TestParam2 = PropertyManager->GetNode(property2);
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}
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isGroup = false;
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} else { // define a condition group
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if (AC_cfg->GetValue("LOGIC") == "OR") Logic = eOR;
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else if (AC_cfg->GetValue("LOGIC") == "AND") Logic = eAND;
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AC_cfg->GetNextConfigLine();
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while (AC_cfg->GetValue() != "/CONDITION_GROUP") {
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conditions.push_back(*(new FGCondition(AC_cfg, PropertyManager)));
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}
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isGroup = true;
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AC_cfg->GetNextConfigLine();
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}
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Debug(0);
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}
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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FGCondition::~FGCondition(void)
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{
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Debug(1);
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}
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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bool FGCondition::Evaluate(void )
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{
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vector <FGCondition>::iterator iConditions;
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bool pass = false;
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double compareValue;
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if (Logic == eAND) {
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iConditions = conditions.begin();
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pass = true;
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while (iConditions < conditions.end()) {
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if (!iConditions->Evaluate()) pass = false;
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*iConditions++;
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}
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} else if (Logic == eOR) {
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pass = false;
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while (iConditions < conditions.end()) {
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if (iConditions->Evaluate()) pass = true;
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*iConditions++;
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}
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} else {
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if (TestParam2 != 0L) compareValue = TestParam2->getDoubleValue();
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else compareValue = TestValue;
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switch (Comparison) {
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case ecUndef:
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cerr << "Undefined comparison operator." << endl;
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break;
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case eEQ:
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pass = TestParam1->getDoubleValue() == compareValue;
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break;
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case eNE:
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pass = TestParam1->getDoubleValue() != compareValue;
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break;
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case eGT:
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pass = TestParam1->getDoubleValue() > compareValue;
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break;
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case eGE:
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pass = TestParam1->getDoubleValue() >= compareValue;
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break;
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case eLT:
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pass = TestParam1->getDoubleValue() < compareValue;
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break;
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case eLE:
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pass = TestParam1->getDoubleValue() <= compareValue;
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break;
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default:
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cerr << "Unknown comparison operator." << endl;
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}
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}
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return pass;
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}
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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void FGCondition::PrintCondition(void )
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{
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vector <FGCondition>::iterator iConditions;
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string scratch;
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bool first = false;
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if (isGroup) {
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switch(Logic) {
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case (elUndef):
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scratch = " UNSET";
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cerr << "unset logic for test condition" << endl;
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break;
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case (eAND):
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scratch = " if all of the following are true";
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break;
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case (eOR):
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scratch = " if any of the following are true:";
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break;
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default:
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scratch = " UNKNOWN";
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cerr << "Unknown logic for test condition" << endl;
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}
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iConditions = conditions.begin();
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cout << scratch << endl;
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while (iConditions < conditions.end()) {
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iConditions->PrintCondition();
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*iConditions++;
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}
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} else {
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if (TestParam2 != 0L)
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cout << TestParam1->GetName() << " " << conditional << " " << TestParam2->GetName();
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else
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cout << TestParam1->GetName() << " " << conditional << " " << TestValue;
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}
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}
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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// The bitmasked value choices are as follows:
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// unset: In this case (the default) JSBSim would only print
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// out the normally expected messages, essentially echoing
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// the config files as they are read. If the environment
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// variable is not set, debug_lvl is set to 1 internally
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// 0: This requests JSBSim not to output any messages
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// whatsoever.
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// 1: This value explicity requests the normal JSBSim
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// startup messages
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// 2: This value asks for a message to be printed out when
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// a class is instantiated
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// 4: When this value is set, a message is displayed when a
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// FGModel object executes its Run() method
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// 8: When this value is set, various runtime state variables
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// are printed out periodically
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// 16: When set various parameters are sanity checked and
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// a message is printed out when they go out of bounds
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void FGCondition::Debug(int from)
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{
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if (debug_lvl <= 0) return;
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if (debug_lvl & 1) { // Standard console startup message output
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if (from == 0) { // Constructor
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}
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}
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if (debug_lvl & 2 ) { // Instantiation/Destruction notification
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if (from == 0) cout << "Instantiated: FGCondition" << endl;
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if (from == 1) cout << "Destroyed: FGCondition" << endl;
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}
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if (debug_lvl & 4 ) { // Run() method entry print for FGModel-derived objects
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}
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if (debug_lvl & 8 ) { // Runtime state variables
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}
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if (debug_lvl & 16) { // Sanity checking
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}
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if (debug_lvl & 64) {
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if (from == 0) { // Constructor
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cout << IdSrc << endl;
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cout << IdHdr << endl;
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}
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}
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}
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}
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98
src/FDM/JSBSim/filtersjb/FGCondition.h
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98
src/FDM/JSBSim/filtersjb/FGCondition.h
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@ -0,0 +1,98 @@
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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Header: FGCondition.h
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Author: Jon S. Berndt
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Date started: 1/02/2003
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------------- Copyright (C) -------------
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place - Suite 330, Boston, MA 02111-1307, USA.
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Further information about the GNU General Public License can also be found on
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the world wide web at http://www.gnu.org.
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HISTORY
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--------------------------------------------------------------------------------
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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SENTRY
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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#ifndef FGCONDITION_H
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#define FGCONDITION_H
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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INCLUDES
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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#include "../FGConfigFile.h"
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#include <map>
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#include "../FGPropertyManager.h"
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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DEFINITIONS
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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#define ID_CONDITION "$Id$"
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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COMMENTS, REFERENCES, and NOTES [use "class documentation" below for API docs]
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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CLASS DOCUMENTATION
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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/** Encapsulates a condition, which is used in parts of JSBSim including switches
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*/
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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CLASS DECLARATION
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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namespace JSBSim {
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class FGCondition : public FGJSBBase
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{
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public:
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FGCondition(FGConfigFile* AC_cfg, FGPropertyManager* PropertyManager);
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~FGCondition(void);
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bool Evaluate(void);
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void PrintCondition(void);
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private:
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FGConfigFile* AC_cfg;
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enum eComparison {ecUndef=0, eEQ, eNE, eGT, eGE, eLT, eLE};
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enum eLogic {elUndef=0, eAND, eOR};
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map <string, eComparison> mComparison;
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eLogic Logic;
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FGPropertyManager *TestParam1, *TestParam2, *PropertyManager;
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double TestValue;
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eComparison Comparison;
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bool isGroup;
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string conditional;
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static string indent;
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vector <FGCondition> conditions;
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void Debug(int from);
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};
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}
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#endif
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