rtxCppInputStreamIF.h Source File

00001 /*
00002  * Copyright (C) 2003-2004 by Objective Systems, Inc.
00003  *
00004  * This software is furnished under a license and may be used and copied
00005  * only in accordance with the terms of such license and with the
00006  * inclusion of the above copyright notice. This software or any other
00007  * copies thereof may not be provided or otherwise made available to any
00008  * other person. No title to and ownership of the software is hereby
00009  * transferred.
00010  *
00011  * The information in this software is subject to change without notice
00012  * and should not be construed as a commitment by Objective Systems, Inc.
00013  *
00014  * PROPRIETARY NOTICE
00015  *
00016  * This software is an unpublished work subject to a confidentiality agreement
00017  * and is protected by copyright and trade secret law.  Unauthorized copying,
00018  * redistribution or other use of this work is prohibited.
00019  *
00020  * The above notice of copyright on this source code product does not indicate
00021  * any actual or intended publication of such source code.
00022  *
00023  *****************************************************************************/
00028 #ifndef _RTXCPPINPUTSTREAMIF_H_
00029 #define _RTXCPPINPUTSTREAMIF_H_
00030 
00031 #include "rtxsrc/rtxCppStreamIF.h"
00032 
00036 class EXTERNRTX OSInputStreamIF : public OSStreamIF {
00037  public:
00041    virtual ~OSInputStreamIF ();
00042 
00051    virtual void close () = 0;
00052 
00058    virtual size_t currentPos () = 0;
00059 
00066    virtual void flush () = 0;
00067 
00074    virtual OSBOOL isOpened () = 0;
00075 
00085    virtual OSBOOL markSupported () = 0;
00086 
00100    virtual void mark (size_t readAheadLimit) = 0;
00101 
00112    virtual size_t read (OSOCTET* pDestBuf, size_t maxToRead) = 0;
00113 
00124    virtual size_t readBlocking (OSOCTET* pDestBuf, size_t toReadBytes) = 0;
00125 
00133    virtual void reset () = 0;
00134 
00143    virtual void skip (size_t n) = 0;
00144 
00145 } ;
00146 
00147 class EXTERNRTX OSInputStreamPtr {
00148    OSInputStreamIF* mPtr; 
00149  public:
00150    inline OSInputStreamPtr (OSInputStreamIF* ptr) : mPtr (ptr) {}
00151    inline ~OSInputStreamPtr () { delete mPtr; }
00152 
00153    inline operator OSInputStreamIF* ()   { return mPtr; }
00154    inline OSInputStreamIF* operator-> () { return mPtr; }
00155 } ;
00156 
00157 #endif /* _RTXCPPINPUTSTREAMIF_H_ */