Warning, /include/Geant4/tools/sto is written in an unsupported language. File is not indexed.
0001 // Copyright (C) 2010, Guy Barrand. All rights reserved.
0002 // See the file tools.license for terms.
0003
0004 #ifndef tools_sto
0005 #define tools_sto
0006
0007 #include <string>
0008
0009 namespace tools {
0010
0011 inline bool to(const std::string& a_string,bool& a_value,bool a_def = false){
0012 if( (a_string=="1")
0013 ||(a_string=="true")||(a_string=="TRUE")||(a_string=="True")
0014 ||(a_string=="yes")||(a_string=="YES")||(a_string=="Yes")
0015 ||(a_string=="on")||(a_string=="ON")||(a_string=="On")
0016 ){
0017 a_value = true;
0018 return true;
0019 } else if((a_string=="0")
0020 ||(a_string=="false")||(a_string=="FALSE")||(a_string=="False")
0021 ||(a_string=="no")||(a_string=="NO")||(a_string=="No")
0022 ||(a_string=="off")||(a_string=="OFF")||(a_string=="Off")
0023 ){
0024 a_value = false;
0025 return true;
0026 } else {
0027 a_value = a_def;
0028 return false;
0029 }
0030 }
0031
0032 inline bool tob(const std::string& a_string,bool& a_value,bool a_def = false) {return to(a_string,a_value,a_def);}
0033
0034 }
0035
0036 #include <sstream>
0037
0038 namespace tools {
0039
0040 template <class T>
0041 inline bool to(const std::string& a_s,T& a_v,const T& a_def = T()) {
0042 if(a_s.empty()) {a_v = a_def;return false;} //for TOOLS_STL istringstream.
0043 std::istringstream strm(a_s.c_str());
0044 strm >> a_v;
0045 if(strm.fail()) {a_v = a_def;return false;}
0046 return strm.eof();
0047 }
0048
0049 template <class T>
0050 inline bool to(T& a_field,const std::string& a_s,bool& a_changed){
0051 T old = a_field;
0052 //if(!tools::to(a_s,a_field)) {a_field = old;a_changed=false;return false;}
0053 if(!to(a_s,a_field)) {a_field = old;a_changed=false;return false;}
0054 a_changed = a_field==old?false:true;
0055 return true;
0056 }
0057
0058 }
0059
0060 #include <ostream>
0061
0062 namespace tools {
0063
0064 template <class T>
0065 inline bool to(std::ostream& a_out,const std::string& a_string,T& a_value){
0066 if(!to<T>(a_string,a_value)) {
0067 a_out << "Passed value \"" << a_string << "\""
0068 << " is of bad type."
0069 << std::endl;
0070 return false;
0071 }
0072 return true;
0073 }
0074
0075 inline bool to(std::ostream& a_out,const std::string& a_string,bool& a_value){
0076 if(!to(a_string,a_value)) {
0077 a_out << "Passed value \"" << a_string << "\""
0078 << " is not a boolean."
0079 << std::endl;
0080 return false;
0081 }
0082 return true;
0083 }
0084
0085 }
0086
0087 #include "typedefs"
0088 #include <cstddef> //size_t
0089
0090 namespace tools {
0091
0092 inline bool to_size_t(const std::string& a_string,size_t& a_value,const size_t& a_def = 0){
0093 if(sizeof(size_t)==8) {
0094 uint64 v;
0095 bool status = to<uint64>(a_string,v,a_def);
0096 a_value = v;
0097 return status;
0098 } else { //assume 4 :
0099 uint32 v;
0100 bool status = to<uint32>(a_string,v,(uint32)a_def);
0101 a_value = v;
0102 return status;
0103 }
0104 }
0105
0106 }
0107
0108 #endif
