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1 : : /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2 : :
3 : : Module: FGModelFunctions.cpp
4 : : Author: Jon S. Berndt
5 : : Date started: August 2010
6 : :
7 : : ------- Copyright (C) 2010 Jon S. Berndt (jon@jsbsim.org) ------------------
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 : : FUNCTIONAL DESCRIPTION
27 : : --------------------------------------------------------------------------------
28 : :
29 : : HISTORY
30 : : --------------------------------------------------------------------------------
31 : :
32 : : %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
33 : : COMMENTS, REFERENCES, and NOTES
34 : : %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
35 : :
36 : : %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
37 : : INCLUDES
38 : : %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
39 : :
40 : : #include "FGModelFunctions.h"
41 : : #include <string>
42 : :
43 : : using namespace std;
44 : :
45 : : namespace JSBSim {
46 : :
47 : : static const char *IdSrc = "$Id: FGModelFunctions.cpp,v 1.2 2010/08/21 18:04:47 jberndt Exp $";
48 : : static const char *IdHdr = ID_MODELFUNCTIONS;
49 : :
50 : : /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
51 : : CLASS IMPLEMENTATION
52 : : %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
53 : :
54 : 26 : FGModelFunctions::~FGModelFunctions()
55 : : {
56 [ # # ][ + + ]: 30 : for (unsigned int i=0; i<interface_properties.size(); i++) delete interface_properties[i];
57 : 26 : interface_properties.clear();
58 : :
59 [ # # ][ # # ]: 26 : for (unsigned int i=0; i<PreFunctions.size(); i++) delete PreFunctions[i];
[ # # ][ - + ]
60 [ # # ][ # # ]: 28 : for (unsigned int i=0; i<PostFunctions.size(); i++) delete PostFunctions[i];
[ + - ][ + + ]
61 : :
62 [ # # ][ - + ]: 26 : if (debug_lvl & 2) cout << "Destroyed: FGModelFunctions" << endl;
63 : 26 : }
64 : :
65 : : //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
66 : :
67 : 21 : bool FGModelFunctions::Load(Element* el, FGPropertyManager* PM, string prefix)
68 : : {
69 : : // Interface properties are all stored in the interface properties array.
70 : 21 : string interface_property_string = "";
71 : :
72 : 21 : Element *property_element = el->FindElement("property");
73 [ + + ][ + - ]: 21 : if (property_element && debug_lvl > 0) cout << endl << " Declared properties"
74 : 2 : << endl << endl;
75 [ + + ]: 25 : while (property_element) {
76 : 8 : interface_property_string = property_element->GetDataLine();
77 [ - + ]: 4 : if (PM->HasNode(interface_property_string)) {
78 : : cerr << " Property " << interface_property_string
79 : 0 : << " is already defined." << endl;
80 : : } else {
81 : 4 : double value=0.0;
82 [ + + ]: 4 : if ( ! property_element->GetAttributeValue("value").empty())
83 : 3 : value = property_element->GetAttributeValueAsNumber("value");
84 : 4 : interface_properties.push_back(new double(value));
85 : 4 : PM->Tie(interface_property_string, interface_properties.back());
86 [ + - ]: 4 : if (debug_lvl > 0)
87 : : cout << " " << interface_property_string << " (initial value: "
88 : 8 : << value << ")" << endl << endl;
89 : : }
90 : 4 : property_element = el->FindNextElement("property");
91 : : }
92 : :
93 : : // End of interface property loading logic
94 : :
95 : 21 : PreLoad(el, PM, prefix);
96 : :
97 : 21 : return true; // TODO: Need to make this value mean something.
98 : : }
99 : :
100 : : //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
101 : :
102 : 21 : void FGModelFunctions::PreLoad(Element* el, FGPropertyManager* PM, string prefix)
103 : : {
104 : : // Load model post-functions, if any
105 : :
106 : 21 : Element *function = el->FindElement("function");
107 : :
108 [ + + ]: 23 : while (function) {
109 [ - + ]: 4 : if (function->GetAttributeValue("type") == "pre") {
110 : 0 : PreFunctions.push_back(new FGFunction(PM, function, prefix));
111 [ - + ]: 2 : } else if (function->GetAttributeValue("type").empty()) { // Assume pre-function
112 : 0 : string funcname = function->GetAttributeValue("name");
113 : 0 : PreFunctions.push_back(new FGFunction(PM, function, prefix));
114 : : }
115 : 2 : function = el->FindNextElement("function");
116 : : }
117 : 21 : }
118 : :
119 : : //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
120 : :
121 : 17 : void FGModelFunctions::PostLoad(Element* el, FGPropertyManager* PM, string prefix)
122 : : {
123 : : // Load model post-functions, if any
124 : :
125 : 17 : Element *function = el->FindElement("function");
126 [ + + ]: 19 : while (function) {
127 [ + - ]: 4 : if (function->GetAttributeValue("type") == "post") {
128 : 2 : PostFunctions.push_back(new FGFunction(PM, function, prefix));
129 : : }
130 : 2 : function = el->FindNextElement("function");
131 : : }
132 : 17 : }
133 : :
134 : : //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
135 : : // Tell the Functions to cache values, so when the function values
136 : : // are being used in the model, the functions do not get
137 : : // calculated each time, but instead use the values that have already
138 : : // been calculated for this frame.
139 : :
140 : 1193023 : void FGModelFunctions::RunPreFunctions(void)
141 : : {
142 : : vector <FGFunction*>::iterator it;
143 [ - + ]: 1193023 : for (it = PreFunctions.begin(); it != PreFunctions.end(); it++)
144 : 0 : (*it)->GetValue();
145 : 1193023 : }
146 : :
147 : : //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
148 : : // Tell the Functions to cache values, so when the function values
149 : : // are being used in the model, the functions do not get
150 : : // calculated each time, but instead use the values that have already
151 : : // been calculated for this frame.
152 : :
153 : 1193023 : void FGModelFunctions::RunPostFunctions(void)
154 : : {
155 : : vector <FGFunction*>::iterator it;
156 [ + + ]: 1301033 : for (it = PostFunctions.begin(); it != PostFunctions.end(); it++)
157 : 108010 : (*it)->GetValue();
158 : 1193023 : }
159 : :
160 [ + + ][ + - ]: 12 : }
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