| Geant4 Cross Reference |
1 // Copyright (C) 2010, Guy Barrand. All rights reserved.
2 // See the file tools.license for terms.
3
4 #ifndef tools_sto
5 #define tools_sto
6
7 #include <string>
8
9 namespace tools {
10
11 inline bool to(const std::string& a_string,bool& a_value,bool a_def = false){
12 if( (a_string=="1")
13 ||(a_string=="true")||(a_string=="TRUE")||(a_string=="True")
14 ||(a_string=="yes")||(a_string=="YES")||(a_string=="Yes")
15 ||(a_string=="on")||(a_string=="ON")||(a_string=="On")
16 ){
17 a_value = true;
18 return true;
19 } else if((a_string=="0")
20 ||(a_string=="false")||(a_string=="FALSE")||(a_string=="False")
21 ||(a_string=="no")||(a_string=="NO")||(a_string=="No")
22 ||(a_string=="off")||(a_string=="OFF")||(a_string=="Off")
23 ){
24 a_value = false;
25 return true;
26 } else {
27 a_value = a_def;
28 return false;
29 }
30 }
31
32 inline bool tob(const std::string& a_string,bool& a_value,bool a_def = false) {return to(a_string,a_value,a_def);}
33
34 }
35
36 #include <sstream>
37
38 namespace tools {
39
40 template <class T>
41 inline bool to(const std::string& a_s,T& a_v,const T& a_def = T()) {
42 if(a_s.empty()) {a_v = a_def;return false;} //for TOOLS_STL istringstream.
43 std::istringstream strm(a_s.c_str());
44 strm >> a_v;
45 if(strm.fail()) {a_v = a_def;return false;}
46 return strm.eof();
47 }
48
49 template <class T>
50 inline bool to(T& a_field,const std::string& a_s,bool& a_changed){
51 T old = a_field;
52 //if(!tools::to(a_s,a_field)) {a_field = old;a_changed=false;return false;}
53 if(!to(a_s,a_field)) {a_field = old;a_changed=false;return false;}
54 a_changed = a_field==old?false:true;
55 return true;
56 }
57
58 }
59
60 #include <ostream>
61
62 namespace tools {
63
64 template <class T>
65 inline bool to(std::ostream& a_out,const std::string& a_string,T& a_value){
66 if(!to<T>(a_string,a_value)) {
67 a_out << "Passed value \"" << a_string << "\""
68 << " is of bad type."
69 << std::endl;
70 return false;
71 }
72 return true;
73 }
74
75 inline bool to(std::ostream& a_out,const std::string& a_string,bool& a_value){
76 if(!to(a_string,a_value)) {
77 a_out << "Passed value \"" << a_string << "\""
78 << " is not a boolean."
79 << std::endl;
80 return false;
81 }
82 return true;
83 }
84
85 }
86
87 #include "typedefs"
88 #include <cstddef> //size_t
89
90 namespace tools {
91
92 inline bool to_size_t(const std::string& a_string,size_t& a_value,const size_t& a_def = 0){
93 if(sizeof(size_t)==8) {
94 uint64 v;
95 bool status = to<uint64>(a_string,v,a_def);
96 a_value = v;
97 return status;
98 } else { //assume 4 :
99 uint32 v;
100 bool status = to<uint32>(a_string,v,(uint32)a_def);
101 a_value = v;
102 return status;
103 }
104 }
105
106 }
107
108 #endif