Files
geant4/source/analysis/g4tools/include/tools/sto
T
2016-06-10 11:51:14 +02:00

84 lines
1.9 KiB
Plaintext

// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
#ifndef tools_sto
#define tools_sto
#include <string>
namespace tools {
inline std::string to(bool a_value){return a_value?"true":"false";}
inline bool to(const std::string& a_string,bool& a_value){
if( (a_string=="1")
||(a_string=="true")||(a_string=="TRUE")||(a_string=="True")
||(a_string=="yes")||(a_string=="YES")||(a_string=="Yes")
||(a_string=="on")||(a_string=="ON")||(a_string=="On")
){
a_value = true;
return true;
} else if((a_string=="0")
||(a_string=="false")||(a_string=="FALSE")||(a_string=="False")
||(a_string=="no")||(a_string=="NO")||(a_string=="No")
||(a_string=="off")||(a_string=="OFF")||(a_string=="Off")
){
a_value = false;
return true;
} else {
a_value = false;
return false;
}
}
}
#include <sstream>
namespace tools {
template <class T>
inline bool to(const std::string& a_s,T& a_v,const T& a_def = T()) {
if(a_s.empty()) {a_v = a_def;return false;} //for TOOLS_STL istringstream.
std::istringstream strm(a_s.c_str());
strm >> a_v;
if(strm.fail()) {a_v = a_def;return false;}
return strm.eof();
}
template <class T>
inline std::string to(const T& a_v) {
std::ostringstream strm;
strm << a_v;
return strm.str();
}
inline std::string d2s(double a_value){
std::ostringstream strm;
strm.precision(25);
strm << a_value;
return strm.str();
}
inline std::string soutd(double a_value) {
return std::string("\"")+d2s(a_value)+"\"";
}
// for BatchLab/XML
template <class T>
inline std::string sout(const T& a_value) {
return std::string("\"")+to<T>(a_value)+"\"";
}
template <class T>
inline bool to(T& a_field,const std::string& a_s,bool& a_changed){
T old = a_field;
if(!tools::to(a_s,a_field)) {a_field = old;a_changed=false;return false;}
a_changed = a_field==old?false:true;
return true;
}
}
#endif