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#include "hash.h"
subExceptionDef( HashException )
template<> uint32_t __calcHashCode<int>( const int &k )
{
return k;
}
template<> bool __cmpHashKeys<int>( const int &a, const int &b )
{
return a == b;
}
template<> uint32_t __calcHashCode<unsigned int>( const unsigned int &k )
{
return k;
}
template<> bool __cmpHashKeys<unsigned int>( const unsigned int &a, const unsigned int &b )
{
return a == b;
}
template<>
uint32_t __calcHashCode<const char *>( const char * const &k )
{
if (k == NULL)
{
return 0;
}
unsigned long int nPos = 0;
for( const char *s = k; *s; s++ )
{
nPos = *s + (nPos << 6) + (nPos << 16) - nPos;
}
return nPos;
}
template<> bool __cmpHashKeys<const char *>( const char * const &a, const char * const &b )
{
if( a == b )
return true;
for(int j=0; a[j] == b[j]; j++ )
if( a[j] == '\0' )
return true;
return false;
}
template<>
uint32_t __calcHashCode<char *>( char * const &k )
{
if (k == NULL)
{
return 0;
}
unsigned long int nPos = 0;
for( const char *s = k; *s; s++ )
{
nPos = *s + (nPos << 6) + (nPos << 16) - nPos;
}
return nPos;
}
template<> bool __cmpHashKeys<char *>( char * const &a, char * const &b )
{
if( a == b )
return true;
for(int j=0; a[j] == b[j]; j++ )
if( a[j] == '\0' )
return true;
return false;
}
template<> uint32_t __calcHashCode<std::string>( const std::string &k )
{
std::string::size_type j, sz = k.size();
const char *s = k.c_str();
unsigned long int nPos = 0;
for( j = 0; j < sz; j++, s++ )
{
nPos = *s + (nPos << 6) + (nPos << 16) - nPos;
}
return nPos;
}
template<> bool __cmpHashKeys<std::string>( const std::string &a, const std::string &b )
{
return a == b;
}
template<> uint32_t __calcHashCode<Hashable>( const Hashable &k )
{
return 0;
//return k.getHashCode();
}
template<> bool __cmpHashKeys<Hashable>( const Hashable &a, const Hashable &b )
{
return false;
//return a.compareForHash( b );
}
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