conquest-dicom-server/buffer.thh at master · spectra/conquest-dicom-server · GitHub

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/****************************************************************************
          Copyright (C) 1995, University of California, Davis

          THIS SOFTWARE IS MADE AVAILABLE, AS IS, AND THE UNIVERSITY
          OF CALIFORNIA DOES NOT MAKE ANY WARRANTY ABOUT THE SOFTWARE, ITS
          PERFORMANCE, ITS MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR
          USE, FREEDOM FROM ANY COMPUTER DISEASES OR ITS CONFORMITY TO ANY
          SPECIFICATION. THE ENTIRE RISK AS TO QUALITY AND PERFORMANCE OF
          THE SOFTWARE IS WITH THE USER.

          Copyright of the software and supporting documentation is
          owned by the University of California, and free access
          is hereby granted as a license to use this software, copy this
          software and prepare derivative works based upon this software.
          However, any distribution of this software source code or
          supporting documentation or derivative works (source code and
          supporting documentation) must include this copyright notice.
****************************************************************************/
/* 20100309 bcb Changed BufferSize, InSize and OutSize from INT to UINT
   20100621 bcb Added no-copy to the BufferSpace classes.
   20100707 mvh Merged
*/

/***************************************************************************
 *
 * University of California, Davis
 * UCDMC DICOM Network Transport Libraries
 * Version 0.1 Beta
 *
 * Technical Contact: mhoskin@ucdavis.edu
 *
 ***************************************************************************/


class	BufferSpace
	{
	public:
		UINT		BufferSize;
		UINT		Index;
		BOOL		isTemp;
		BYTE		*Data;

				BufferSpace(UINT);
				BufferSpace();
				~BufferSpace();
#ifdef __GNUC__
	private:// This will prevent it from being copied (it has a pointer)
		BufferSpace(const BufferSpace&);
		const	BufferSpace & operator = (const BufferSpace&);
#endif
	};

class	Buffer
	{
	protected:

	UINT				BreakSize;
	UINT				InEndian;
	UINT				OutEndian;
	UINT				InSize;
	UINT				OutSize;
	Array<BufferSpace*>		Incoming;
	Array<BufferSpace*>		Outgoing;

	public:
		BOOL		ReadBlock();
		BOOL		Poll();
	public:
		BOOL		SetBreakSize(UINT);
		BOOL		SetIncomingEndian(UINT);
		BOOL		SetOutgoingEndian(UINT);
		inline	UINT		GetIncomingEndian()	{ return ( InEndian ); };
		inline	UINT		GetOutgoingEndian()	{ return ( OutEndian ); };
					Buffer();
		virtual		~Buffer();
		Buffer	&	operator			>>	(BYTE	&);
		Buffer	&	operator			>>	(UINT16	&);
		Buffer	&	operator			>>	(UINT32	&);
		inline	Buffer	&	operator	>>	(char	&x)
			{ return ( (*this)>>(BYTE &) x); };
		inline	Buffer	&	operator	>>	(INT16	&x)
			{ return ( (*this)>>(UINT16 &) x); };
		inline	Buffer	&	operator	>>	(INT32	&x)
			{ return ( (*this)>>(UINT32 &) x); };

		Buffer	&	operator			<<	(BYTE	&);
		Buffer	&	operator			<<	(UINT16	&);
		Buffer	&	operator			<<	(UINT32	&);
		inline	Buffer	&	operator	<<	(char	&x)
			{ return ( (*this)<<(BYTE &) x); };
		inline	Buffer	&	operator	<<	(INT16	&x)
			{ return ( (*this)<<(UINT16 &) x); };
		inline	Buffer	&	operator	<<	(INT32	&x)
			{ return ( (*this)<<(UINT32 &) x); };

		inline	UINT		GetSize()	{ return ( InSize ); };
		BOOL		Flush();
		BOOL		Flush(UINT	Bytes);
		BOOL		Kill(UINT);
		BOOL		Read(BYTE *, UINT);
		BOOL		Write(BYTE *, UINT);
		BOOL		Fill(UINT);
		virtual	INT			ReadBinary(BYTE	*, UINT)	=	0;
		virtual	BOOL		SendBinary(BYTE	*, UINT)	=	0;

	};