Purpose: XML element class
Called by: FGXMLParse
- ------------- Copyright (C) 2001 Jon S. Berndt (jsb@hal-pc.org) -------------
+ ------------- Copyright (C) 2001 Jon S. Berndt (jon@jsbsim.org) -------------
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free Software
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
#include "FGXMLElement.h"
-#ifdef FGFS
-# ifndef __BORLANDC__
-# include <simgear/compiler.h>
-# endif
-# ifdef SG_HAVE_STD_INCLUDES
-# include <cmath>
-# include <cstdlib>
-# else
-# include <math.h>
-# include <stdlib.h>
-# endif
-#else
-# if defined (sgi) && !defined(__GNUC__)
-# include <math.h>
-# include <stdlib.h>
-# else
-# include <cmath>
-# include <cstdlib>
-# endif
-#endif
-
-#include <stdlib.h>
-#include <math.h>
+
+#include <cmath>
+#include <cstdlib>
+#include <iostream>
+
+using namespace std;
/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
FORWARD DECLARATIONS
namespace JSBSim {
-static const char *IdSrc = "$Id$";
+static const char *IdSrc = "$Id: FGXMLElement.cpp,v 1.33 2011/08/05 12:28:20 jberndt Exp $";
static const char *IdHdr = ID_XMLELEMENT;
+bool Element::converterIsInitialized = false;
+map <string, map <string, double> > Element::convert;
+
/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
CLASS IMPLEMENTATION
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
-Element::Element(string nm)
+Element::Element(const string& nm)
{
name = nm;
parent = 0L;
element_index = 0;
- // convert ["from"]["to"] = factor, so: from * factor = to
- convert["M"]["FT"] = 3.2808399;
- convert["FT"]["M"] = 1.0/convert["M"]["FT"];
- convert["M2"]["FT2"] = convert["M"]["FT"]*convert["M"]["FT"];
- convert["FT2"]["M2"] = 1.0/convert["M2"]["FT2"];
- convert["FT"]["IN"] = 12.0;
- convert["IN"]["FT"] = 1.0/convert["FT"]["IN"];
- convert["LBS"]["KG"] = 0.45359237;
- convert["KG"]["LBS"] = 1.0/convert["LBS"]["KG"];
- convert["SLUG*FT2"]["KG*M2"] = 1.35594;
- convert["KG*M2"]["SLUG*FT2"] = 1.0/convert["SLUG*FT2"]["KG*M2"];
- convert["RAD"]["DEG"] = 360.0/(2.0*3.1415926);
- convert["DEG"]["RAD"] = 1.0/convert["RAD"]["DEG"];
- convert["LBS/FT"]["N/M"] = 14.5939;
- convert["LBS/FT/SEC"]["N/M/SEC"] = 14.5939;
- convert["N/M"]["LBS/FT"] = 1.0/convert["LBS/FT"]["N/M"];
- convert["N/M/SEC"]["LBS/FT/SEC"] = 1.0/convert["LBS/FT/SEC"]["N/M/SEC"];
- convert["WATTS"]["HP"] = 0.001341022;
- convert["HP"]["WATTS"] = 1.0/convert["WATTS"]["HP"];
- convert["N"]["LBS"] = 0.22482;
- convert["LBS"]["N"] = 1.0/convert["N"]["LBS"];
- convert["KTS"]["FT/SEC"] = 1.68781;
- convert["FT/SEC"]["KTS"] = 1.0/convert["KTS"]["FT/SEC"];
- convert["FT*LBS"]["N*M"] = 1.35581795;
- convert["N*M"]["FT*LBS"] = 1/convert["FT*LBS"]["N*M"];
- convert["IN"]["M"] = convert["IN"]["FT"] * convert["FT"]["M"];
- convert["M"]["IN"] = convert["M"]["FT"] * convert["FT"]["IN"];
-
- convert["M"]["M"] = 1.00;
- convert["FT"]["FT"] = 1.00;
- convert["IN"]["IN"] = 1.00;
- convert["IN3"]["IN3"] = 1.00;
- convert["DEG"]["DEG"] = 1.00;
- convert["RAD"]["RAD"] = 1.00;
- convert["M2"]["M2"] = 1.00;
- convert["FT2"]["FT2"] = 1.00;
- convert["KG*M2"]["KG*M2"] = 1.00;
- convert["SLUG*FT2"]["SLUG*FT2"] = 1.00;
- convert["KG"]["KG"] = 1.00;
- convert["LBS"]["LBS"] = 1.00;
- convert["LBS/FT"]["LBS/FT"] = 1.00;
- convert["LBS/SEC"]["LBS/SEC"] = 1.00;
- convert["LBS/FT/SEC"]["LBS/FT/SEC"] = 1.00;
- convert["N/M"]["N/M"] = 1.00;
- convert["N/M/SEC"]["N/M/SEC"] = 1.00;
- convert["PSI"]["PSI"] = 1.00;
- convert["PSF"]["PSF"] = 1.00;
- convert["INHG"]["INHG"] = 1.00;
- convert["HP"]["HP"] = 1.00;
- convert["N"]["N"] = 1.00;
- convert["WATTS"]["WATTS"] = 1.00;
- convert["LBS/SEC"]["LBS/SEC"] = 1.00;
- convert["FT/SEC"]["FT/SEC"] = 1.00;
- convert["KTS"]["KTS"] = 1.00;
- convert["FT*LBS"]["FT*LBS"] = 1.00;
- convert["N*M"]["N*M"] = 1.00;
+ if (!converterIsInitialized) {
+ converterIsInitialized = true;
+ // convert ["from"]["to"] = factor, so: from * factor = to
+ // Length
+ convert["M"]["FT"] = 3.2808399;
+ convert["FT"]["M"] = 1.0/convert["M"]["FT"];
+ convert["CM"]["FT"] = 0.032808399;
+ convert["FT"]["CM"] = 1.0/convert["CM"]["FT"];
+ convert["KM"]["FT"] = 3280.8399;
+ convert["FT"]["KM"] = 1.0/convert["KM"]["FT"];
+ convert["FT"]["IN"] = 12.0;
+ convert["IN"]["FT"] = 1.0/convert["FT"]["IN"];
+ convert["IN"]["M"] = convert["IN"]["FT"] * convert["FT"]["M"];
+ convert["M"]["IN"] = convert["M"]["FT"] * convert["FT"]["IN"];
+ // Area
+ convert["M2"]["FT2"] = convert["M"]["FT"]*convert["M"]["FT"];
+ convert["FT2"]["M2"] = 1.0/convert["M2"]["FT2"];
+ convert["CM2"]["FT2"] = convert["CM"]["FT"]*convert["CM"]["FT"];
+ convert["FT2"]["CM2"] = 1.0/convert["CM2"]["FT2"];
+ convert["M2"]["IN2"] = convert["M"]["IN"]*convert["M"]["IN"];
+ convert["IN2"]["M2"] = 1.0/convert["M2"]["IN2"];
+ convert["FT2"]["IN2"] = 144.0;
+ convert["IN2"]["FT2"] = 1.0/convert["FT2"]["IN2"];
+ // Volume
+ convert["IN3"]["CC"] = 16.387064;
+ convert["CC"]["IN3"] = 1.0/convert["IN3"]["CC"];
+ convert["FT3"]["IN3"] = 1728.0;
+ convert["IN3"]["FT3"] = 1.0/convert["FT3"]["IN3"];
+ convert["M3"]["FT3"] = 35.3146667;
+ convert["FT3"]["M3"] = 1.0/convert["M3"]["FT3"];
+ convert["LTR"]["IN3"] = 61.0237441;
+ convert["IN3"]["LTR"] = 1.0/convert["LTR"]["IN3"];
+ // Mass & Weight
+ convert["LBS"]["KG"] = 0.45359237;
+ convert["KG"]["LBS"] = 1.0/convert["LBS"]["KG"];
+ convert["SLUG"]["KG"] = 14.59390;
+ convert["KG"]["SLUG"] = 1.0/convert["SLUG"]["KG"];
+ // Moments of Inertia
+ convert["SLUG*FT2"]["KG*M2"] = 1.35594;
+ convert["KG*M2"]["SLUG*FT2"] = 1.0/convert["SLUG*FT2"]["KG*M2"];
+ // Angles
+ convert["RAD"]["DEG"] = 180.0/M_PI;
+ convert["DEG"]["RAD"] = 1.0/convert["RAD"]["DEG"];
+ // Angular rates
+ convert["RAD/SEC"]["DEG/SEC"] = convert["RAD"]["DEG"];
+ convert["DEG/SEC"]["RAD/SEC"] = 1.0/convert["RAD/SEC"]["DEG/SEC"];
+ // Spring force
+ convert["LBS/FT"]["N/M"] = 14.5939;
+ convert["N/M"]["LBS/FT"] = 1.0/convert["LBS/FT"]["N/M"];
+ // Damping force
+ convert["LBS/FT/SEC"]["N/M/SEC"] = 14.5939;
+ convert["N/M/SEC"]["LBS/FT/SEC"] = 1.0/convert["LBS/FT/SEC"]["N/M/SEC"];
+ // Damping force (Square Law)
+ convert["LBS/FT2/SEC2"]["N/M2/SEC2"] = 47.880259;
+ convert["N/M2/SEC2"]["LBS/FT2/SEC2"] = 1.0/convert["LBS/FT2/SEC2"]["N/M2/SEC2"];
+ // Power
+ convert["WATTS"]["HP"] = 0.001341022;
+ convert["HP"]["WATTS"] = 1.0/convert["WATTS"]["HP"];
+ // Force
+ convert["N"]["LBS"] = 0.22482;
+ convert["LBS"]["N"] = 1.0/convert["N"]["LBS"];
+ // Velocity
+ convert["KTS"]["FT/SEC"] = 1.68781;
+ convert["FT/SEC"]["KTS"] = 1.0/convert["KTS"]["FT/SEC"];
+ convert["M/S"]["FT/S"] = 3.2808399;
+ convert["M/SEC"]["FT/SEC"] = 3.2808399;
+ convert["FT/S"]["M/S"] = 1.0/convert["M/S"]["FT/S"];
+ convert["M/SEC"]["FT/SEC"] = 3.2808399;
+ convert["FT/SEC"]["M/SEC"] = 1.0/convert["M/SEC"]["FT/SEC"];
+ convert["KM/SEC"]["FT/SEC"] = 3280.8399;
+ convert["FT/SEC"]["KM/SEC"] = 1.0/convert["KM/SEC"]["FT/SEC"];
+ // Torque
+ convert["FT*LBS"]["N*M"] = 1.35581795;
+ convert["N*M"]["FT*LBS"] = 1/convert["FT*LBS"]["N*M"];
+ // Valve
+ convert["M4*SEC/KG"]["FT4*SEC/SLUG"] = convert["M"]["FT"]*convert["M"]["FT"]*
+ convert["M"]["FT"]*convert["M"]["FT"]/convert["KG"]["SLUG"];
+ convert["FT4*SEC/SLUG"]["M4*SEC/KG"] =
+ 1.0/convert["M4*SEC/KG"]["FT4*SEC/SLUG"];
+ // Pressure
+ convert["INHG"]["PSF"] = 70.7180803;
+ convert["PSF"]["INHG"] = 1.0/convert["INHG"]["PSF"];
+ convert["ATM"]["INHG"] = 29.9246899;
+ convert["INHG"]["ATM"] = 1.0/convert["ATM"]["INHG"];
+ convert["PSI"]["INHG"] = 2.03625437;
+ convert["INHG"]["PSI"] = 1.0/convert["PSI"]["INHG"];
+ convert["INHG"]["PA"] = 3386.0; // inches Mercury to pascals
+ convert["PA"]["INHG"] = 1.0/convert["INHG"]["PA"];
+ convert["LBS/FT2"]["N/M2"] = 14.5939/convert["FT"]["M"];
+ convert["N/M2"]["LBS/FT2"] = 1.0/convert["LBS/FT2"]["N/M2"];
+ convert["LBS/FT2"]["PA"] = convert["LBS/FT2"]["N/M2"];
+ convert["PA"]["LBS/FT2"] = 1.0/convert["LBS/FT2"]["PA"];
+ // Mass flow
+ convert["KG/MIN"]["LBS/MIN"] = convert["KG"]["LBS"];
+ // Fuel Consumption
+ convert["LBS/HP*HR"]["KG/KW*HR"] = 0.6083;
+ convert["KG/KW*HR"]["LBS/HP*HR"] = 1.0/convert["LBS/HP*HR"]["KG/KW*HR"];
+ // Density
+ convert["KG/L"]["LBS/GAL"] = 8.3454045;
+ convert["LBS/GAL"]["KG/L"] = 1.0/convert["KG/L"]["LBS/GAL"];
+
+ // Length
+ convert["M"]["M"] = 1.00;
+ convert["KM"]["KM"] = 1.00;
+ convert["FT"]["FT"] = 1.00;
+ convert["IN"]["IN"] = 1.00;
+ // Area
+ convert["M2"]["M2"] = 1.00;
+ convert["FT2"]["FT2"] = 1.00;
+ // Volume
+ convert["IN3"]["IN3"] = 1.00;
+ convert["CC"]["CC"] = 1.0;
+ convert["M3"]["M3"] = 1.0;
+ convert["FT3"]["FT3"] = 1.0;
+ convert["LTR"]["LTR"] = 1.0;
+ // Mass & Weight
+ convert["KG"]["KG"] = 1.00;
+ convert["LBS"]["LBS"] = 1.00;
+ // Moments of Inertia
+ convert["KG*M2"]["KG*M2"] = 1.00;
+ convert["SLUG*FT2"]["SLUG*FT2"] = 1.00;
+ // Angles
+ convert["DEG"]["DEG"] = 1.00;
+ convert["RAD"]["RAD"] = 1.00;
+ // Angular rates
+ convert["DEG/SEC"]["DEG/SEC"] = 1.00;
+ convert["RAD/SEC"]["RAD/SEC"] = 1.00;
+ // Spring force
+ convert["LBS/FT"]["LBS/FT"] = 1.00;
+ convert["N/M"]["N/M"] = 1.00;
+ // Damping force
+ convert["LBS/FT/SEC"]["LBS/FT/SEC"] = 1.00;
+ convert["N/M/SEC"]["N/M/SEC"] = 1.00;
+ // Damping force (Square law)
+ convert["LBS/FT2/SEC2"]["LBS/FT2/SEC2"] = 1.00;
+ convert["N/M2/SEC2"]["N/M2/SEC2"] = 1.00;
+ // Power
+ convert["HP"]["HP"] = 1.00;
+ convert["WATTS"]["WATTS"] = 1.00;
+ // Force
+ convert["N"]["N"] = 1.00;
+ // Velocity
+ convert["FT/SEC"]["FT/SEC"] = 1.00;
+ convert["KTS"]["KTS"] = 1.00;
+ convert["M/S"]["M/S"] = 1.0;
+ convert["M/SEC"]["M/SEC"] = 1.0;
+ convert["KM/SEC"]["KM/SEC"] = 1.0;
+ // Torque
+ convert["FT*LBS"]["FT*LBS"] = 1.00;
+ convert["N*M"]["N*M"] = 1.00;
+ // Valve
+ convert["M4*SEC/KG"]["M4*SEC/KG"] = 1.0;
+ convert["FT4*SEC/SLUG"]["FT4*SEC/SLUG"] = 1.0;
+ // Pressure
+ convert["PSI"]["PSI"] = 1.00;
+ convert["PSF"]["PSF"] = 1.00;
+ convert["INHG"]["INHG"] = 1.00;
+ convert["ATM"]["ATM"] = 1.0;
+ convert["PA"]["PA"] = 1.0;
+ convert["N/M2"]["N/M2"] = 1.00;
+ convert["LBS/FT2"]["LBS/FT2"] = 1.00;
+ // Mass flow
+ convert["LBS/SEC"]["LBS/SEC"] = 1.00;
+ convert["KG/MIN"]["KG/MIN"] = 1.0;
+ convert["LBS/MIN"]["LBS/MIN"] = 1.0;
+ // Fuel Consumption
+ convert["LBS/HP*HR"]["LBS/HP*HR"] = 1.0;
+ convert["KG/KW*HR"]["KG/KW*HR"] = 1.0;
+ // Density
+ convert["KG/L"]["KG/L"] = 1.0;
+ convert["LBS/GAL"]["LBS/GAL"] = 1.0;
+ }
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-string Element::GetAttributeValue(string attr)
+string Element::GetAttributeValue(const string& attr)
{
int select=-1;
for (unsigned int i=0; i<attribute_key.size(); i++) {
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-double Element::GetAttributeValueAsNumber(string attr)
+double Element::GetAttributeValueAsNumber(const string& attr)
{
string attribute = GetAttributeValue(attr);
- if (attribute.empty()) return 99e99;
+ if (attribute.empty()) return HUGE_VAL;
else return (atof(attribute.c_str()));
}
{
if (data_lines.size() == 1) {
return atof(data_lines[0].c_str());
+ } else if (data_lines.size() == 0) {
+ return HUGE_VAL;
} else {
- cerr << "Attempting to get single data value from multiple lines" << endl;
- return 0;
+ cerr << "Attempting to get single data value from multiple lines in element " << name << endl;
+ return HUGE_VAL;
}
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-unsigned int Element::GetNumElements(string element_name)
+unsigned int Element::GetNumElements(const string& element_name)
{
unsigned int number_of_elements=0;
Element* el=FindElement(element_name);
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-Element* Element::FindElement(string el)
+Element* Element::FindElement(const string& el)
{
if (el.empty() && children.size() >= 1) {
element_index = 1;
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-Element* Element::FindNextElement(string el)
+Element* Element::FindNextElement(const string& el)
{
if (el.empty()) {
if (element_index < children.size()) {
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-double Element::FindElementValueAsNumber(string el)
+double Element::FindElementValueAsNumber(const string& el)
{
Element* element = FindElement(el);
if (element) {
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-string Element::FindElementValue(string el)
+string Element::FindElementValue(const string& el)
{
Element* element = FindElement(el);
if (element) {
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-double Element::FindElementValueAsNumberConvertTo(string el, string target_units)
+double Element::FindElementValueAsNumberConvertTo(const string& el, const string& target_units)
{
Element* element = FindElement(el);
- double value;
- string supplied_units="";
- if (element) {
- value = element->GetDataAsNumber();
- supplied_units = element->GetAttributeValue("unit");
- if (!supplied_units.empty()) {
- if (convert.find(supplied_units) != convert.end()) {
- if (convert[supplied_units].find(target_units) != convert[supplied_units].end()) {
- value *= convert[supplied_units][target_units];
- } else {
- cerr << endl << "Target unit: \"" << target_units << "\" does not exist (typo?). Add new unit"
- << " conversion in FGXMLElement.cpp." << endl;
- exit(-1);
- }
- } else {
- cerr << endl << "Supplied unit: \"" << supplied_units << "\" does not exist (typo?). Add new unit"
- << " conversion in FGXMLElement.cpp." << endl;
- exit(-1);
- }
- }
- } else {
- cerr << "Attempting to get get non-existent element " << el << endl;
- return 0;
+ if (!element) {
+ cerr << "Attempting to get non-existent element " << el << endl;
+ exit(0);
+ }
+
+ string supplied_units = element->GetAttributeValue("unit");
+
+ if (!supplied_units.empty()) {
+ if (convert.find(supplied_units) == convert.end()) {
+ cerr << endl << "Supplied unit: \"" << supplied_units << "\" does not exist (typo?). Add new unit"
+ << " conversion in FGXMLElement.cpp." << endl;
+ exit(-1);
+ }
+ if (convert[supplied_units].find(target_units) == convert[supplied_units].end()) {
+ cerr << endl << "Supplied unit: \"" << supplied_units << "\" cannot be converted to "
+ << target_units << ". Add new unit conversion in FGXMLElement.cpp or fix typo" << endl;
+ exit(-1);
+ }
+ }
+
+ double value = element->GetDataAsNumber();
+ if (!supplied_units.empty()) {
+ value *= convert[supplied_units][target_units];
}
+
return value;
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-double Element::FindElementValueAsNumberConvertFromTo( string el,
- string supplied_units,
- string target_units)
+double Element::FindElementValueAsNumberConvertFromTo( const string& el,
+ const string& supplied_units,
+ const string& target_units)
{
Element* element = FindElement(el);
- double value;
- if (element) {
- value = element->GetDataAsNumber();
- if (!supplied_units.empty()) {
- if (convert.find(supplied_units) != convert.end()) {
- if (convert[supplied_units].find(target_units) != convert[supplied_units].end()) {
- value *= convert[supplied_units][target_units];
- } else {
- cerr << endl << "Target unit: \"" << target_units << "\" does not exist (typo?). Add new unit"
- << " conversion in FGXMLElement.cpp." << endl;
- exit(-1);
- }
- } else {
- cerr << endl << "Supplied unit: \"" << supplied_units << "\" does not exist (typo?). Add new unit"
- << " conversion in FGXMLElement.cpp." << endl;
- exit(-1);
- }
- }
- } else {
- cerr << "Attempting to get get non-existent element " << el << endl;
- return 0;
+ if (!element) {
+ cerr << "Attempting to get non-existent element " << el << endl;
+ exit(0);
+ }
+
+ if (!supplied_units.empty()) {
+ if (convert.find(supplied_units) == convert.end()) {
+ cerr << endl << "Supplied unit: \"" << supplied_units << "\" does not exist (typo?). Add new unit"
+ << " conversion in FGXMLElement.cpp." << endl;
+ exit(-1);
+ }
+ if (convert[supplied_units].find(target_units) == convert[supplied_units].end()) {
+ cerr << endl << "Supplied unit: \"" << supplied_units << "\" cannot be converted to "
+ << target_units << ". Add new unit conversion in FGXMLElement.cpp or fix typo" << endl;
+ exit(-1);
+ }
}
+
+ double value = element->GetDataAsNumber();
+ if (!supplied_units.empty()) {
+ value *= convert[supplied_units][target_units];
+ }
+
return value;
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-FGColumnVector3 Element::FindElementTripletConvertTo( string target_units)
+FGColumnVector3 Element::FindElementTripletConvertTo( const string& target_units)
{
FGColumnVector3 triplet;
Element* item;
double value=0.0;
string supplied_units = GetAttributeValue("unit");
+ if (!supplied_units.empty()) {
+ if (convert.find(supplied_units) == convert.end()) {
+ cerr << endl << "Supplied unit: \"" << supplied_units << "\" does not exist (typo?). Add new unit"
+ << " conversion in FGXMLElement.cpp." << endl;
+ exit(-1);
+ }
+ if (convert[supplied_units].find(target_units) == convert[supplied_units].end()) {
+ cerr << endl << "Supplied unit: \"" << supplied_units << "\" cannot be converted to "
+ << target_units << ". Add new unit conversion in FGXMLElement.cpp or fix typo" << endl;
+ exit(-1);
+ }
+ }
+
item = FindElement("x");
if (!item) item = FindElement("roll");
if (item) {
if (!supplied_units.empty()) value *= convert[supplied_units][target_units];
} else {
value = 0.0;
- cerr << "Could not find an X triplet item for this column vector." << endl;
}
triplet(1) = value;
if (!supplied_units.empty()) value *= convert[supplied_units][target_units];
} else {
value = 0.0;
- cerr << "Could not find a Y triplet item for this column vector." << endl;
}
triplet(2) = value;
if (!supplied_units.empty()) value *= convert[supplied_units][target_units];
} else {
value = 0.0;
- cerr << "Could not find a Z triplet item for this column vector." << endl;
}
triplet(3) = value;
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-void Element::AddAttribute(string name, string value)
+void Element::AddAttribute(const string& name, const string& value)
{
attribute_key.push_back(name);
attributes[name] = value;
void Element::AddData(string d)
{
- unsigned int string_start = (unsigned int)d.find_first_not_of(" \t");
- if (string_start > 0) {
+ string::size_type string_start = d.find_first_not_of(" \t");
+ if (string_start != string::npos && string_start > 0) {
d.erase(0,string_start);
}
data_lines.push_back(d);
projects / flightgear.git / blobdiff