#ifndef __GUT_UTIL_HXX
#define __GUT_UTIL_HXX

#include <cstdio>
#include <cstring>

namespace gut
{
	unsigned long hash33(const void *data, size_t size);

	class string_key {
	private:
		char 			*m_key;
		unsigned long 	m_hash;
		
	public:
		string_key(const char *key);
		string_key(const string_key &rhs);
		~string_key(void);
		
		inline bool operator <(const string_key &rhs) const
		{
			if (m_hash == rhs.m_hash) {
				return (strcmp(m_key, rhs.m_key) < 0);
			}
			return m_hash < rhs.m_hash;
		}
		
		inline const char *key(void) const
		{
			return m_key;
		}
		
		inline const string_key &operator =(const string_key &rhs)
		{
			delete m_key;
			size_t len = strlen(rhs.m_key) + 1;
			m_key = new char[len];
			memcpy(m_key, rhs.m_key, len);
			m_hash = hash33(m_key, len);

			return *this;
		}
	};
	

}	// namespace gut

#endif	// __GUT_UTIL_HXX