#include "precompiled.h"

#include "Util.h"
#include "Stream/Stream.h"

using namespace DatafileIO;

utf16string DatafileIO::ReadUString(InputStream& stream)
{
	uint32_t length;
	stream.Read(&length, 4);

	utf16string ret;
	ret.resize(length);
	stream.Read(&ret[0], length*2);

	return ret;
}

void DatafileIO::WriteUString(OutputStream& stream, const utf16string& string)
{
	uint32_t length = (uint32_t)string.length();
	stream.Write(&length, 4);
	stream.Write((utf16_t*)&string[0], length*2);
}

#ifndef _WIN32
// TODO In reality, these two should be able to de/encode UTF-16 to/from UCS-4
// instead of just treating UTF-16 as UCS-2

std::wstring DatafileIO::utf16tow(const utf16string &str)
{
	return std::wstring(str.begin(), str.end());
}

utf16string DatafileIO::wtoutf16(const std::wstring &str)
{
	return utf16string(str.begin(), str.end());
}
#endif