85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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Module: FGPropertyValue.cpp
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Author: Jon Berndt
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Date started: 12/10/2004
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Purpose: Stores property values
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------------- Copyright (C) 2001 Jon S. Berndt (jon@jsbsim.org) -------------
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------ Copyright (C) 2010 - 2011 Anders Gidenstam (anders(at)gidenstam.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 Lesser 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 Lesser General Public License for more
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details.
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You should have received a copy of the GNU Lesser 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 Lesser 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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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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INCLUDES
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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#include "FGPropertyValue.h"
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namespace JSBSim {
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static const char *IdSrc = "$Id: FGPropertyValue.cpp,v 1.7 2011/04/05 20:20:21 andgi Exp $";
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static const char *IdHdr = ID_PROPERTYVALUE;
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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CLASS IMPLEMENTATION
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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FGPropertyValue::FGPropertyValue(FGPropertyManager* propNode)
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: PropertyManager(0L), PropertyNode(propNode)
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{
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}
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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FGPropertyValue::FGPropertyValue(std::string propName, FGPropertyManager* propertyManager)
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: PropertyManager(propertyManager), PropertyNode(0L), PropertyName(propName)
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{
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}
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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double FGPropertyValue::GetValue(void) const
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{
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FGPropertyManager* node = PropertyNode;
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if (!PropertyNode) {
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// The node cannot be cached since this is a const method.
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node = PropertyManager->GetNode(PropertyName);
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if (!node) {
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throw(std::string("FGPropertyValue::GetValue() The property " +
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PropertyName + " does not exist."));
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}
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}
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return node->getDoubleValue();
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}
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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std::string FGPropertyValue::GetName(void) const
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{
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if (PropertyNode) {
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return PropertyNode->GetName();
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} else {
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return PropertyName;
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}
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}
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}
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