// Copyright Epic Games, Inc. All Rights Reserved.

#include <zencore/compactbinaryutil.h>

#include <zencore/compress.h>
#include <zencore/filesystem.h>

namespace zen {

CbObject
ValidateAndReadCompactBinaryObject(const SharedBuffer&& Payload, CbValidateError& OutError)
{
	if (Payload.GetSize() > 0)
	{
		if (OutError = ValidateCompactBinary(Payload.GetView(), CbValidateMode::Default); OutError == CbValidateError::None)
		{
			CbObject Object(Payload);
			if (Object.GetView().GetSize() != Payload.GetSize())
			{
				OutError |= CbValidateError::OutOfBounds;
				return {};
			}
			return Object;
		}
	}
	return CbObject();
}

CbObject
ValidateAndReadCompactBinaryObject(const CompressedBuffer&& Payload, CbValidateError& OutError)
{
	if (CompositeBuffer Decompressed = Payload.DecompressToComposite())
	{
		return ValidateAndReadCompactBinaryObject(std::move(Decompressed).Flatten(), OutError);
	}
	return CbObject();
}

}  // namespace zen