cwritefile.h
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #pragma once
- enum
- {
- kWriteBufLow = 0,
- kWriteBufHigh,
- kWriteBoth
- };
- class CWriteFile
- {
-
- public:
- CWriteFile (void);
- virtual ~CWriteFile ();
- void write_data(Ptr buf, long numBytes);
- Boolean Specify(short fRefNum, long offset, long bufSize = 512000/*16384*/); // SEH 3/16/99: Changed default.
- void Seek(long pos);
- long GetCurPos(void) { return mCurPos; }
- long GetBufSize(void) { return mBufSize; }
-
- protected:
-
- void Write(short writeFlag);
- Ptr mLow;
- Ptr mHigh;
- long mCurPos;
- long mWrittenSize;
- long mBufSize;
-
- long mStartPos;
- long ioPosOffset;
-
- Boolean fWriteLow;
-
- IOParam a_PB; // pointer to PB file i/o struct
- IOParam b_PB; // PB file i/o struct for looping
- };
-