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

#include "Binary.hpp"

#ifdef _WIN32
#pragma warning(disable:4267)
#endif

Binary::Binary(const ext::String& string, bool signed_) : bytes(string.GetSize() / 8, 0)
{
	if (string.IsEmpty())
	{
		bytes.InsertLast(0);

		return;
	}

	size_t index(string.GetSize() % 8), offset(index);

	_rforeach (ext::Vector<byte_t>, byte, bytes) _rfor (byte_t, bit, 0, 8) *byte |= (string[index++] == '1') << bit;

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

		_rfor (byte_t, bit, offset, 8) bytes.Last() |= (signed_ && string[0] == '1') << bit;

		index = 0;

		_rfor (byte_t, bit, 0, offset) bytes.Last() |= (string[index++] == '1') << bit;
	}
}

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

	_rforeach (const ext::Vector<byte_t>, byte, bytes) _rfor (byte_t, bit, 0, 8) string.InsertLast(1 & *byte >> bit ? '1' : '0');

	return string;
}