// Represent
//
// Douglas Thrift
//
// $Id$

#include "Hexadecimal.hpp"

Hexadecimal::Hexadecimal(const ext::String& string, bool signed_) : Binary(string.GetSize() / 2, 0)
{
	if (string.IsEmpty())
	{
		bytes.InsertLast(0);

		return;
	}

	size_t index(string.GetSize() % 2), offset(index);

	_rmforeach (ext::Vector<byte_t>, byte, bytes) _rfor (byte_t, half, 0, 2)
	{
/*		byte_t hex(string[index++]);

		if (hex >= '0' && hex <= '9') hex -= '0'; else*/
	}

	if (offset != 0)
	{
		bytes.InsertLast(0);

		//

		index = 0;

		//
	}
}

Hexadecimal::operator ext::String() const
{
	ext::String string;

	_rforeach (ext::Vector<byte_t>, byte, bytes) _rfor (byte_t, half, 0, 2)
	{
		byte_t hex(0xF & *byte >> half * 4);

		switch (hex)
		{
		case 0xA:
			hex = 'A';

			break;
		case 0xB:
			hex = 'B';

			break;
		case 0xC:
			hex = 'C';

			break;
		case 0xD:
			hex = 'D';

			break;
		case 0xE:
			hex = 'E';

			break;
		case 0xF:
			hex = 'F';

			break;
		default:
			hex += '0';
		}

		string.InsertLast(hex);
	}

	return string;
}