hxstat.h
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: hxstat.h,v 1.5.32.3 2004/07/09 01:46:15 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 _HXSTATLOG_
- #define _HXSTATLOG_
- #ifdef _MACINTOSH
- #include <stdlib.h>
- #endif
- #ifdef _WINDOWS
- #include <stdio.h>
- #endif
- #include "hlxclib/stdarg.h"
- #include "hxresult.h"
- #include "hxtypes.h"
- #include "../fileio/pub/chxdataf.h"
- #ifdef HELIX_CONFIG_NOSTATICS
- # include "globals/hxglobals.h"
- #endif
- class HXStatLog
- {
- public:
- HXStatLog();
- ~HXStatLog();
- HX_RESULT Open_Read (const char * filename);
- HX_RESULT Open_Write (const char * filename);
- HX_RESULT Open_WriteNoAppend (const char * filename);
- HX_RESULT Close (void);
- LONG32 Read (char *buf, ULONG32 max_buf_length);
- LONG32 Write (char *buf, ULONG32 buf_length);
- HX_RESULT StatPrintf (const char* fmt, ...);
- HX_RESULT ReadLine (char *buf, ULONG32 buf_length);
- HX_RESULT Seek (ULONG32 offset, UINT16 fromWhere);
- ULONG32 Tell (void);
- private:
- CHXDataFile* mStatFile;
- char* mStatBuffer;
- char* mStatCurrentPosition;
- INT16 mStatBufferLength;
- INT16 mStatBytesLeft;
- };
- /////
- // This is static implementation of the above class so that
- // the log info can be written from anywahere in the player to the same
- // log file...(opened once for each session)
- /////
- class HXStaticStatLog
- {
- public:
- static HX_RESULT Open_Read(const char* filename)
- {
- if (LogFileInstance()) return HXR_ALREADY_OPEN;
- HX_RESULT theErr = HXR_OK;
- LogFileInstance() = new HXStatLog;
- if (!LogFileInstance())
- theErr = HXR_OUTOFMEMORY;
- if (!theErr)
- {
- theErr = LogFileInstance()->Open_Read(filename);
- }
- // error in opening file?
- if (theErr && LogFileInstance())
- {
- delete LogFileInstance();
- LogFileInstance() = NULL;
- }
- return theErr;
- }
-
- static HX_RESULT Open_Write(const char* filename)
- {
- if (LogFileInstance()) return HXR_ALREADY_OPEN;
- HX_RESULT theErr = HXR_OK;
- LogFileInstance() = new HXStatLog;
- if (!LogFileInstance())
- theErr = HXR_OUTOFMEMORY;
- if (!theErr)
- {
- theErr = LogFileInstance()->Open_Write(filename);
- }
- // error in opening file?
- if (theErr && LogFileInstance())
- {
- delete LogFileInstance();
- LogFileInstance() = NULL;
- }
- return theErr;
- }
-
- static HX_RESULT Close(void)
- {
- if (!LogFileInstance()) return HXR_INVALID_FILE;
- HX_RESULT theErr = HXR_OK;
- theErr = LogFileInstance()->Close();
- delete LogFileInstance();
- LogFileInstance() = NULL;
- return theErr;
- }
-
- static LONG32 Read(char* buf, ULONG32 max_buf_length)
- {
- if (!LogFileInstance()) return -1;
- return LogFileInstance()->Read(buf, max_buf_length);
- }
-
- static LONG32 Write(char* buf, ULONG32 buf_length)
- {
- if (!LogFileInstance()) return -1;
- return LogFileInstance()->Write(buf, buf_length);
- }
-
- static HX_RESULT StatPrintf(const char* fmt, ...)
- {
- if (!LogFileInstance()) return HXR_INVALID_FILE;
-
- HX_RESULT theErr = HXR_OK;
- #ifndef _MACINTOSH
- char buf[8096]; /* Flawfinder: ignore */
- LONG32 bytes_written = 0;
- LONG32 bytes_towrite = 0;
- va_list args;
- va_start(args, fmt);
- bytes_towrite = vsnprintf(buf, sizeof(buf), fmt, args); // scanf
- va_end(args);
- if (bytes_towrite < 0)
- theErr = HXR_INVALID_PATH;
- if (!theErr)
- {
- bytes_written = LogFileInstance()->Write(buf, (ULONG32) bytes_towrite);
- if (bytes_written != bytes_towrite)
- theErr = HXR_INVALID_PATH;
- }
- #endif
- return theErr;
- }
-
- static HX_RESULT ReadLine (char *buf, ULONG32 buf_length)
- {
- if (!LogFileInstance()) return HXR_INVALID_FILE;
- return LogFileInstance()->ReadLine(buf, buf_length);
- }
-
- static HX_RESULT Seek (ULONG32 offset, UINT16 fromWhere)
- {
- if (!LogFileInstance()) return HXR_INVALID_FILE;
- return LogFileInstance()->Seek(offset, fromWhere);
- }
-
- static ULONG32 Tell (void)
- {
- if (!LogFileInstance()) return (ULONG32) -1;
- return LogFileInstance()->Tell();
- }
-
- static inline HXStatLog*& LogFileInstance()
- {
- #if defined(HELIX_CONFIG_NOSTATICS)
- static const HXStatLog* const pmLogFile = NULL;
- return (HXStatLog*&)HXGlobalPtr::Get(&pmLogFile, NULL );
- #else
- static HXStatLog* pmLogFile = NULL;
- return pmLogFile;
- #endif
- }
- };
- #endif //_HXSTATLOG_