| Geant4 Cross Reference |
1 // Copyright (C) 2010, Guy Barrand. All rights 1 // Copyright (C) 2010, Guy Barrand. All rights reserved.
2 // See the file tools.license for terms. 2 // See the file tools.license for terms.
3 3
4 #ifndef tools_rcmp 4 #ifndef tools_rcmp
5 #define tools_rcmp 5 #define tools_rcmp
6 6
7 // used in safe cast. 7 // used in safe cast.
8 8
9 #include <string> 9 #include <string>
10 #include <cstring> 10 #include <cstring>
11 11
12 namespace tools { 12 namespace tools {
13 13
14 inline bool rcmp(const char* a_1,const char* a 14 inline bool rcmp(const char* a_1,const char* a_2) {
15 size_t l1 = ::strlen(a_1); 15 size_t l1 = ::strlen(a_1);
16 size_t l2 = ::strlen(a_2); 16 size_t l2 = ::strlen(a_2);
17 if(l1!=l2) return false; 17 if(l1!=l2) return false;
18 if(!l1) return true; 18 if(!l1) return true;
19 const char* p1 = a_1+l1-1; 19 const char* p1 = a_1+l1-1;
20 const char* p2 = a_2+l2-1; 20 const char* p2 = a_2+l2-1;
21 //ab 21 //ab
22 //012 22 //012
23 for(size_t index=0;index<l1;index++,p1--,p2- 23 for(size_t index=0;index<l1;index++,p1--,p2--) {
24 if(*p1!=*p2) return false; 24 if(*p1!=*p2) return false;
25 } 25 }
26 return true; 26 return true;
27 } 27 }
28 28
29 inline bool rcmp(const std::string& a_1,const 29 inline bool rcmp(const std::string& a_1,const char* a_2) {
30 std::string::size_type l1 = a_1.size(); 30 std::string::size_type l1 = a_1.size();
31 size_t l2 = ::strlen(a_2); 31 size_t l2 = ::strlen(a_2);
32 if(size_t(l1)!=l2) return false; 32 if(size_t(l1)!=l2) return false;
33 if(!l1) return true; 33 if(!l1) return true;
34 const char* p1 = a_1.c_str()+l1-1; 34 const char* p1 = a_1.c_str()+l1-1;
35 const char* p2 = a_2+l2-1; 35 const char* p2 = a_2+l2-1;
36 //ab 36 //ab
37 //012 37 //012
38 for(std::string::size_type index=0;index<l1; 38 for(std::string::size_type index=0;index<l1;index++,p1--,p2--) {
39 if(*p1!=*p2) return false; 39 if(*p1!=*p2) return false;
40 } 40 }
41 return true; 41 return true;
42 } 42 }
43 43
44 inline bool rcmp(const char* a_1,const std::st 44 inline bool rcmp(const char* a_1,const std::string& a_2) {
45 size_t l1 = ::strlen(a_1); 45 size_t l1 = ::strlen(a_1);
46 std::string::size_type l2 = a_2.size(); 46 std::string::size_type l2 = a_2.size();
47 if(l1!=size_t(l2)) return false; 47 if(l1!=size_t(l2)) return false;
48 if(!l1) return true; 48 if(!l1) return true;
49 const char* p1 = a_1+l1-1; 49 const char* p1 = a_1+l1-1;
50 const char* p2 = a_2.c_str()+l2-1; 50 const char* p2 = a_2.c_str()+l2-1;
51 //ab 51 //ab
52 //012 52 //012
53 for(size_t index=0;index<l1;index++,p1--,p2- 53 for(size_t index=0;index<l1;index++,p1--,p2--) {
54 if(*p1!=*p2) return false; 54 if(*p1!=*p2) return false;
55 } 55 }
56 return true; 56 return true;
57 } 57 }
58 58
59 inline bool rcmp(const std::string& a_1,const 59 inline bool rcmp(const std::string& a_1,const std::string& a_2) {
60 std::string::size_type l1 = a_1.size(); 60 std::string::size_type l1 = a_1.size();
61 std::string::size_type l2 = a_2.size(); 61 std::string::size_type l2 = a_2.size();
62 if(l1!=l2) return false; 62 if(l1!=l2) return false;
63 if(!l1) return true; 63 if(!l1) return true;
64 const char* p1 = a_1.c_str()+l1-1; 64 const char* p1 = a_1.c_str()+l1-1;
65 const char* p2 = a_2.c_str()+l2-1; 65 const char* p2 = a_2.c_str()+l2-1;
66 //ab 66 //ab
67 //012 67 //012
68 for(std::string::size_type index=0;index<l1; 68 for(std::string::size_type index=0;index<l1;index++,p1--,p2--) {
69 if(*p1!=*p2) return false; 69 if(*p1!=*p2) return false;
70 } 70 }
71 return true; 71 return true;
72 } 72 }
73 73
74 } 74 }
75 75
76 #endif 76 #endif