/*++

Copyright (C) 2019 3MF Consortium

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are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this
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this list of conditions and the following disclaimer in the documentation
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Abstract:

NMR_ImportStream_ZIP.h defines the CImportStream_ZIP Class.
This is a stream class for importing from a libZIP object.

--*/

#ifndef __NMR_IMPORTSTREAM_ZIP
#define __NMR_IMPORTSTREAM_ZIP

#include "Common/Platform/NMR_ImportStream.h"
#include "Libraries/libzip/zip.h"

#define IMPORTSTREAM_ZIP_CHUNKSIZE (1024 * 1024)

namespace NMR {

	class CImportStream_ZIP : public CImportStream {
	private:
		zip_file_t * m_pFile;
		nfUint64 m_nSize;
	public:
		CImportStream_ZIP() = delete;
		CImportStream_ZIP(_In_ zip_file_t * pFile, _In_ nfUint64 nSize);
		~CImportStream_ZIP();

		virtual nfBool seekPosition(_In_ nfUint64 position, _In_ nfBool bHasToSucceed);
		virtual nfBool seekForward(_In_ nfUint64 bytes, _In_ nfBool bHasToSucceed);
		virtual nfBool seekFromEnd(_In_ nfUint64 bytes, _In_ nfBool bHasToSucceed);
		virtual nfUint64 readIntoBuffer(_In_ nfByte * pBuffer, _In_ nfUint64 cbTotalBytesToRead, nfBool bNeedsToReadAll);
		virtual nfUint64 retrieveSize();
		virtual void writeToFile(_In_ const nfWChar * pwszFileName);
		virtual PImportStream copyToMemory();
		virtual nfUint64 getPosition();
	};

}

#endif // __NMR_IMPORTSTREAM_ZIP