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#include "hash.h"
subExceptionDef( HashException )
template<> uint32_t __calcHashCode<const int>( const int k )
{
return k;
}
template<> bool __cmpHashKeys<const int>( const int a, const int b )
{
return a == b;
}
template<> uint32_t __calcHashCode<int>( int k )
{
return k;
}
template<> bool __cmpHashKeys<int>( int a, int b )
{
return a == b;
}
template<>
uint32_t __calcHashCode<const char *>( const char * 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 *a, const char *b )
{
if( a == b )
return true;
for(; *a == *b; a++, b++ )
if( *a == '\0' && *b == '\0' )
return true;
return false;
}
template<>
uint32_t __calcHashCode<char *>( char *k )
{
return __calcHashCode<const char *>((const char *)k );
}
template<> bool __cmpHashKeys<char *>( char *a, char *b )
{
return __cmpHashKeys<const char *>((const char *)a, (const char *)b );
}
template<> uint32_t __calcHashCode<const 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<const std::string>( const std::string a, const std::string b )
{
return a == b;
}
template<> uint32_t __calcHashCode<std::string>( std::string k )
{
return __calcHashCode<const std::string>( k );
}
template<> bool __cmpHashKeys<std::string>( std::string a, std::string b )
{
return __cmpHashKeys<const std::string>( a, b );
}
template<> uint32_t __calcHashCode<Hashable &>( Hashable &k )
{
return k.getHashCode();
}
template<> bool __cmpHashKeys<Hashable &>( Hashable &a, Hashable &b )
{
return a.compareForHash( b );
}
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