rtxCppInputStream.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00016  * This software is an unpublished work subject to a confidentiality agreement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 _RTXCPPINPUTSTREAM_H_
00029 #define _RTXCPPINPUTSTREAM_H_
00030 
00031 #include "rtxsrc/rtxCppInputStreamIF.h"
00032 #include "rtxsrc/rtxCppStream.h"
00033 
00037 class EXTERNRTX OSInputStream : public OSStream, public OSInputStreamIF {
00038  public:
00047    OSInputStream ();
00048 
00049    OSInputStream (OSContext* mpContext, OSBOOL attachStream = FALSE);
00050 
00054    virtual ~OSInputStream ();
00055 
00064    virtual void close ();
00065 
00071    virtual size_t currentPos ();
00072 
00079    virtual void flush ();
00080 
00087    virtual OSBOOL isOpened ();
00088 
00098    virtual OSBOOL markSupported ();
00099 
00113    virtual void mark (size_t readAheadLimit);
00114 
00125    virtual size_t read (OSOCTET* pDestBuf, size_t maxToRead);
00126 
00137    virtual size_t readBlocking (OSOCTET* pDestBuf, size_t toReadBytes);
00138 
00146    virtual void reset ();
00147 
00156    virtual void skip (size_t n);
00157 
00158 } ;
00159 
00160 #endif /* _RTXCPPINPUTSTREAM_H_ */