diff options
Diffstat (limited to 'src/hash.cpp')
| -rw-r--r-- | src/hash.cpp | 82 | 
1 files changed, 36 insertions, 46 deletions
diff --git a/src/hash.cpp b/src/hash.cpp index d428dd6..004d6dd 100644 --- a/src/hash.cpp +++ b/src/hash.cpp  | |||
| @@ -2,48 +2,57 @@ | |||
| 2 | 2 | ||
| 3 | subExceptionDef( HashException ) | 3 | subExceptionDef( HashException ) | 
| 4 | 4 | ||
| 5 | template<> uint32_t __calcHashCode<const int>( const int k ) | 5 | template<> uint32_t __calcHashCode<int>( const int &k ) | 
| 6 | { | 6 | { | 
| 7 | return k; | 7 | return k; | 
| 8 | } | 8 | } | 
| 9 | 9 | ||
| 10 | template<> bool __cmpHashKeys<const int>( const int a, const int b ) | 10 | template<> bool __cmpHashKeys<int>( const int &a, const int &b ) | 
| 11 | { | 11 | { | 
| 12 | return a == b; | 12 | return a == b; | 
| 13 | } | 13 | } | 
| 14 | 14 | ||
| 15 | template<> uint32_t __calcHashCode<int>( int k ) | 15 | template<> uint32_t __calcHashCode<unsigned int>( const unsigned int &k ) | 
| 16 | { | 16 | { | 
| 17 | return k; | 17 | return k; | 
| 18 | } | 18 | } | 
| 19 | 19 | ||
| 20 | template<> bool __cmpHashKeys<int>( int a, int b ) | 20 | template<> bool __cmpHashKeys<unsigned int>( const unsigned int &a, const unsigned int &b ) | 
| 21 | { | 21 | { | 
| 22 | return a == b; | 22 | return a == b; | 
| 23 | } | 23 | } | 
| 24 | 24 | ||
| 25 | template<> uint32_t __calcHashCode<const unsigned int>( const unsigned int k ) | 25 | template<> | 
| 26 | uint32_t __calcHashCode<const char *>( const char * const &k ) | ||
| 26 | { | 27 | { | 
| 27 | return k; | 28 | if (k == NULL) | 
| 28 | } | 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 | } | ||
| 29 | 38 | ||
| 30 | template<> bool __cmpHashKeys<const unsigned int>( const unsigned int a, const unsigned int b ) | 39 | return nPos; | 
| 31 | { | ||
| 32 | return a == b; | ||
| 33 | } | 40 | } | 
| 34 | 41 | ||
| 35 | template<> uint32_t __calcHashCode<unsigned int>( unsigned int k ) | 42 | template<> bool __cmpHashKeys<const char *>( const char * const &a, const char * const &b ) | 
| 36 | { | 43 | { | 
| 37 | return k; | 44 | if( a == b ) | 
| 38 | } | 45 | return true; | 
| 39 | 46 | ||
| 40 | template<> bool __cmpHashKeys<unsigned int>( unsigned int a, unsigned int b ) | 47 | for(int j=0; a[j] == b[j]; j++ ) | 
| 41 | { | 48 | if( *a == '\0' ) | 
| 42 | return a == b; | 49 | return true; | 
| 50 | |||
| 51 | return false; | ||
| 43 | } | 52 | } | 
| 44 | 53 | ||
| 45 | template<> | 54 | template<> | 
| 46 | uint32_t __calcHashCode<const char *>( const char * k ) | 55 | uint32_t __calcHashCode<char *>( char * const &k ) | 
| 47 | { | 56 | { | 
| 48 | if (k == NULL) | 57 | if (k == NULL) | 
| 49 | { | 58 | { | 
| @@ -59,30 +68,19 @@ uint32_t __calcHashCode<const char *>( const char * k ) | |||
| 59 | return nPos; | 68 | return nPos; | 
| 60 | } | 69 | } | 
| 61 | 70 | ||
| 62 | template<> bool __cmpHashKeys<const char *>( const char *a, const char *b ) | 71 | template<> bool __cmpHashKeys<char *>( char * const &a, char * const &b ) | 
| 63 | { | 72 | { | 
| 64 | if( a == b ) | 73 | if( a == b ) | 
| 65 | return true; | 74 | return true; | 
| 66 | 75 | ||
| 67 | for(; *a == *b; a++, b++ ) | 76 | for(int j=0; a[j] == b[j]; j++ ) | 
| 68 | if( *a == '\0' ) | 77 | if( *a == '\0' ) | 
| 69 | return true; | 78 | return true; | 
| 70 | 79 | ||
| 71 | return false; | 80 | return false; | 
| 72 | } | 81 | } | 
| 73 | 82 | ||
| 74 | template<> | 83 | template<> uint32_t __calcHashCode<std::string>( const std::string &k ) | 
| 75 | uint32_t __calcHashCode<char *>( char *k ) | ||
| 76 | { | ||
| 77 | return __calcHashCode<const char *>((const char *)k ); | ||
| 78 | } | ||
| 79 | |||
| 80 | template<> bool __cmpHashKeys<char *>( char *a, char *b ) | ||
| 81 | { | ||
| 82 | return __cmpHashKeys<const char *>((const char *)a, (const char *)b ); | ||
| 83 | } | ||
| 84 | |||
| 85 | template<> uint32_t __calcHashCode<const std::string>( const std::string k ) | ||
| 86 | { | 84 | { | 
| 87 | std::string::size_type j, sz = k.size(); | 85 | std::string::size_type j, sz = k.size(); | 
| 88 | const char *s = k.c_str(); | 86 | const char *s = k.c_str(); | 
| @@ -96,28 +94,20 @@ template<> uint32_t __calcHashCode<const std::string>( const std::string k ) | |||
| 96 | return nPos; | 94 | return nPos; | 
| 97 | } | 95 | } | 
| 98 | 96 | ||
| 99 | template<> bool __cmpHashKeys<const std::string>( const std::string a, const std::string b ) | 97 | template<> bool __cmpHashKeys<std::string>( const std::string &a, const std::string &b ) | 
| 100 | { | 98 | { | 
| 101 | return a == b; | 99 | return a == b; | 
| 102 | } | 100 | } | 
| 103 | 101 | ||
| 104 | template<> uint32_t __calcHashCode<std::string>( std::string k ) | 102 | template<> uint32_t __calcHashCode<Hashable>( const Hashable &k ) | 
| 105 | { | ||
| 106 | return __calcHashCode<const std::string>( k ); | ||
| 107 | } | ||
| 108 | |||
| 109 | template<> bool __cmpHashKeys<std::string>( std::string a, std::string b ) | ||
| 110 | { | 103 | { | 
| 111 | return __cmpHashKeys<const std::string>( a, b ); | 104 | return 0; | 
| 105 | //return k.getHashCode(); | ||
| 112 | } | 106 | } | 
| 113 | 107 | ||
| 114 | template<> uint32_t __calcHashCode<Hashable &>( Hashable &k ) | 108 | template<> bool __cmpHashKeys<Hashable>( const Hashable &a, const Hashable &b ) | 
| 115 | { | 109 | { | 
| 116 | return k.getHashCode(); | 110 | return false; | 
| 117 | } | 111 | //return a.compareForHash( b ); | 
| 118 | |||
| 119 | template<> bool __cmpHashKeys<Hashable &>( Hashable &a, Hashable &b ) | ||
| 120 | { | ||
| 121 | return a.compareForHash( b ); | ||
| 122 | } | 112 | } | 
| 123 | 113 | ||
