chxdataf_stdio.h
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: chxdataf_stdio.h,v 1.2.2.3 2004/07/09 01:44:45 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 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 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (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.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * 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 ***** */
- #ifndef _CHXDATAFILE_H_
- #define _CHXDATAFILE_H_
- #include <stdio.h>
- #include "hlxclibfcntl.h"
- #include "hxcom.h"
- #include "ihxfgbuf.h"
- const UINT32 WIN_FILE_NORM_IO = 0;
- const UINT32 WIN_FILE_MEMMAP_IO = 1;
- const UINT32 WIN_FILE_ASYNC_IO = 2;
- // Sharing flags
- #ifndef SH_DENYRW
- #define SH_DENYRW 0x10 /* deny read/write mode */
- #endif
- #ifndef SH_DENYWR
- #define SH_DENYWR 0x20 /* deny write mode */
- #endif
- #ifndef SH_DENYRD
- #define SH_DENYRD 0x30 /* deny read mode */
- #endif
- #ifndef SH_DENYNO
- #define SH_DENYNO 0x40 /* deny none mode */
- #endif
- class CHXDataFile
- {
- public:
- static CHXDataFile* Construct (UINT32 ulFlags = 0, IUnknown** ppCommonObj = NULL);
-
- virtual ~CHXDataFile (void);
- BOOL GetTemporaryFileName (const char *tag, char* name, UINT32 ulBufLen);
- /* GetLastError returns the platform specific file error */
- virtual HX_RESULT GetLastError (void) {return mLastError;};
- /* Create creates a file using the specified mode */
- HX_RESULT Create (const char *filename, UINT16 mode, BOOL textflag = 0);
- /* Open will open a file with the specified permissions */
- HX_RESULT Open (const char *filename, UINT16 mode, BOOL textflag = 0);
- /* Open will open a file for sharing with the specified permissions */
- HX_RESULT OpenShared (const char *filename, UINT16 mode, UINT16 sharedmode, BOOL textflag = 0) {return Open(filename, mode, textflag);}
- /* Close closes a file */
- HX_RESULT Close (void);
- /* Returns the size of the file in bytes. */
- ULONG32 GetSize (void) { return 0;};
- /* Changes the size of the file to the newSize */
- HX_RESULT ChangeSize (ULONG32 newSize) { return HXR_NOTIMPL; };
-
- /* Seek moves the current file position to the offset from the fromWhere specifier */
- HX_RESULT Seek (ULONG32 offset, UINT16 fromWhere);
- /* Tell returns the current file position in the ra file */
- ULONG32 Tell (void);
- /* Read reads up to count bytes of data into buf.
- returns the number of bytes read, EOF, or -1 if the read failed */
- ULONG32 Read (char* buf, ULONG32 count);
- /* Write writes up to count bytes of data from buf.
- returns the number of bytes written, or -1 if the write failed */
- ULONG32 Write (const char *buf, ULONG32 count);
- /* Rewinds the file to the start of the file */
- HX_RESULT Rewind (void);
- /* Delete deletes a file */
- HX_RESULT Delete (const char *filename);
- HX_RESULT ReadToBuffer (ULONG32 len, IHXBuffer** buf){ return HXR_NOTIMPL; }
- int GetFd (){ return 0; }
- protected:
- HX_RESULT mLastError;
- FILE * m_FP;
- CHXDataFile (void) : mLastError(HXR_OK),m_FP(NULL){};
- };
-
- #endif // _CHXDATAFILE_H_