cchx2ihxdataf.h
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:5k
- /* ***** 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 ***** */
- #ifndef _CCHX2IHX_H_
- #define _CCHX2IHX_H_
- /************************************************************************
- * Includes
- */
- #include "hxcom.h"
- #include "hxdataf.h"
- #include "chxdataf.h"
- typedef HX_RESULT (*FileDeleteFnPtr) (void* pUserData, const char *filename);
- typedef BOOL (*TemporaryFileNameFnPtr) (void* pUserData, const char *tag, char* filename, UINT32 ulBufLen);
- typedef ULONG32 (*FastReadFnPtr) (void* pUserData, const char* buf, ULONG32 count);
- typedef ULONG32 (*FastWriteFnPtr) (void* pUserData, const char* buf, ULONG32 count);
- /************************************************************************
- * CCHX2IHXDataFile
- */
- class CCHX2IHXDataFile : public CHXDataFile
- {
- public:
- /*
- * Constructor/Destructor
- */
- CCHX2IHXDataFile(IHXDataFile* pIHXFile,
- void* pUserData,
- TemporaryFileNameFnPtr fpTempFileName,
- FastReadFnPtr fpFastRead = NULL,
- FastWriteFnPtr fpFastWrite = NULL,
- FileDeleteFnPtr fpFileDelete = NULL);
- virtual ~CCHX2IHXDataFile(void);
- /*
- * CHXDataFile methods
- */
- /* GetLastError returns the platform specific file error */
- virtual HX_RESULT GetLastError (void);
- virtual BOOL GetTemporaryFileName (const char *tag, char* name, UINT32 ulBufLen);
- /* Create creates a file using the specified mode */
- virtual HX_RESULT Create (const char *filename, UINT16 mode, BOOL textflag = 0);
- /* Open will open a file with the specified permissions */
- virtual HX_RESULT Open (const char *filename, UINT16 mode, BOOL textflag = 0);
- /* Close closes a file */
- virtual HX_RESULT Close (void);
- /* Returns the size of the file in bytes. */
- virtual ULONG32 GetSize (void);
-
- /* Seek moves the current file position to the offset from the fromWhere specifier */
- virtual HX_RESULT Seek (ULONG32 offset, UINT16 fromWhere);
- /* Tell returns the current file position in the ra file */
- virtual 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 */
- virtual ULONG32 Read (char* buf, ULONG32 count);
- /* Read reads up to ulCount bytes of data into ppbufOut.
- returns a result code */
- virtual HX_RESULT ReadToBuffer (ULONG32 ulCount, IHXBuffer** ppbufOut);
- /* Write writes up to count bytes of data from buf.
- returns the number of bytes written, or -1 if the write failed */
- virtual ULONG32 Write (const char *buf, ULONG32 count);
- /* Rewinds the file to the start of the file */
- virtual HX_RESULT Rewind (void);
- /* Return the file descriptor */
- virtual INT16 GetFd (void);
- /* Delete deletes a file */
- virtual HX_RESULT Delete (const char *filename);
- private:
- /*
- * Private methods
- */
- inline UINT16 TranslateMode(UINT16 uOpenMode, BOOL bTextflag);
- IHXDataFile* m_pIHXFile;
- FileDeleteFnPtr m_fpFileDelete;
- TemporaryFileNameFnPtr m_fpTempFileName;
- FastReadFnPtr m_fpFastRead;
- FastWriteFnPtr m_fpFastWrite;
- void* m_pUserData;
- };
-
- #endif // _CHXDATAFILE_H_