| Geant4 Cross Reference |
1 // Copyright (C) 2010, Guy Barrand. All rights
2 // See the file tools.license for terms.
3
4 #ifndef tools_strip
5 #define tools_strip
6
7 #include <vector>
8 #include <string>
9
10 namespace tools {
11
12 enum what { leading, trailing, both };
13
14 inline bool strip(std::string& a_string,what a
15 //return true = some stripping had been done
16
17 std::string::size_type l = a_string.length()
18 if(l==0) return false;
19
20 switch ( a_type ) {
21 case leading:{
22 char* pos = (char*)a_string.c_str();
23 for(std::string::size_type i=0;i<l;i++,pos
24 if(*pos!=a_char) {
25 a_string = a_string.substr(i,l-i);
26 return (i?true:false); //i=0 : same st
27 }
28 }
29 // all chars are a_char :
30 a_string.clear();
31 return true;
32 }break;
33 case trailing:{
34 char* pos = (char*)a_string.c_str();
35 pos += (l-1);
36 std::string::size_type i = l-1;
37 std::string::const_reverse_iterator it;
38 for(it=a_string.rbegin();it!=a_string.rend
39 if(*pos!=a_char) {
40 a_string = a_string.substr(0,i+1);
41 return (i==(l-1)?false:true); //i==l-1
42 }
43 }
44 // all chars are a_char :
45 a_string.clear();
46 return true;
47 }break;
48 case both:{
49 bool stat_lead = strip(a_string,leading,a_
50 bool stat_trail = strip(a_string,trailing,
51 if(stat_lead) return true;
52 if(stat_trail) return true;
53 }break;
54 //default:break;
55 }
56 return false; //nothing done.
57 }
58
59 #ifdef TOOLS_DEPRECATED
60 inline std::string strp(const std::string& a_s
61 std::string _s(a_string);
62 strip(_s,a_type,a_char);
63 return _s;
64 }
65 #endif //TOOLS_DEPRECATED
66
67 inline bool strip(std::vector<std::string>& a_
68 bool some_done = false;
69 std::vector<std::string>::iterator it;
70 for(it=a_strings.begin();it!=a_strings.end()
71 if(strip(*it,a_type,a_char)) some_done = t
72 }
73 return some_done;
74 }
75
76 }
77
78 #endif