diff options
Diffstat (limited to 'src/old/hash.cpp')
-rw-r--r-- | src/old/hash.cpp | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/old/hash.cpp b/src/old/hash.cpp new file mode 100644 index 0000000..c52e6b1 --- /dev/null +++ b/src/old/hash.cpp | |||
@@ -0,0 +1,113 @@ | |||
1 | #include "hash.h" | ||
2 | |||
3 | subExceptionDef( HashException ) | ||
4 | |||
5 | template<> uint32_t __calcHashCode<int>( const int &k ) | ||
6 | { | ||
7 | return k; | ||
8 | } | ||
9 | |||
10 | template<> bool __cmpHashKeys<int>( const int &a, const int &b ) | ||
11 | { | ||
12 | return a == b; | ||
13 | } | ||
14 | |||
15 | template<> uint32_t __calcHashCode<unsigned int>( const unsigned int &k ) | ||
16 | { | ||
17 | return k; | ||
18 | } | ||
19 | |||
20 | template<> bool __cmpHashKeys<unsigned int>( const unsigned int &a, const unsigned int &b ) | ||
21 | { | ||
22 | return a == b; | ||
23 | } | ||
24 | |||
25 | template<> | ||
26 | uint32_t __calcHashCode<const char *>( const char * const &k ) | ||
27 | { | ||
28 | if (k == NULL) | ||
29 | { | ||
30 | return 0; | ||
31 | } | ||
32 | |||
33 | unsigned long int nPos = 0; | ||
34 | for( const char *s = k; *s; s++ ) | ||
35 | { | ||
36 | nPos = *s + (nPos << 6) + (nPos << 16) - nPos; | ||
37 | } | ||
38 | |||
39 | return nPos; | ||
40 | } | ||
41 | |||
42 | template<> bool __cmpHashKeys<const char *>( const char * const &a, const char * const &b ) | ||
43 | { | ||
44 | if( a == b ) | ||
45 | return true; | ||
46 | |||
47 | for(int j=0; a[j] == b[j]; j++ ) | ||
48 | if( a[j] == '\0' ) | ||
49 | return true; | ||
50 | |||
51 | return false; | ||
52 | } | ||
53 | |||
54 | template<> | ||
55 | uint32_t __calcHashCode<char *>( char * const &k ) | ||
56 | { | ||
57 | if (k == NULL) | ||
58 | { | ||
59 | return 0; | ||
60 | } | ||
61 | |||
62 | unsigned long int nPos = 0; | ||
63 | for( const char *s = k; *s; s++ ) | ||
64 | { | ||
65 | nPos = *s + (nPos << 6) + (nPos << 16) - nPos; | ||
66 | } | ||
67 | |||
68 | return nPos; | ||
69 | } | ||
70 | |||
71 | template<> bool __cmpHashKeys<char *>( char * const &a, char * const &b ) | ||
72 | { | ||
73 | if( a == b ) | ||
74 | return true; | ||
75 | |||
76 | for(int j=0; a[j] == b[j]; j++ ) | ||
77 | if( a[j] == '\0' ) | ||
78 | return true; | ||
79 | |||
80 | return false; | ||
81 | } | ||
82 | |||
83 | template<> uint32_t __calcHashCode<std::string>( const std::string &k ) | ||
84 | { | ||
85 | std::string::size_type j, sz = k.size(); | ||
86 | const char *s = k.c_str(); | ||
87 | |||
88 | unsigned long int nPos = 0; | ||
89 | for( j = 0; j < sz; j++, s++ ) | ||
90 | { | ||
91 | nPos = *s + (nPos << 6) + (nPos << 16) - nPos; | ||
92 | } | ||
93 | |||
94 | return nPos; | ||
95 | } | ||
96 | |||
97 | template<> bool __cmpHashKeys<std::string>( const std::string &a, const std::string &b ) | ||
98 | { | ||
99 | return a == b; | ||
100 | } | ||
101 | |||
102 | template<> uint32_t __calcHashCode<Hashable>( const Hashable &k ) | ||
103 | { | ||
104 | return 0; | ||
105 | //return k.getHashCode(); | ||
106 | } | ||
107 | |||
108 | template<> bool __cmpHashKeys<Hashable>( const Hashable &a, const Hashable &b ) | ||
109 | { | ||
110 | return false; | ||
111 | //return a.compareForHash( b ); | ||
112 | } | ||
113 | |||