我的CLog的实现

作者： Smile_Tiger

改编于一个老外的同名作品。

############ log.h #################

//===========================================================================
//
// HomeWork from Belgium   Not licensed software
// 1999 - 2000      No rights reserved
//
//===========================================================================
//
// Project/Product : Iconizer DLL
// FileName  : log.h
// Author(s)  : Bart Gysens
//
// Description  : Declaration of CLog class
//
// Classes   : CLog
//
// Information  :
//   Compiler(s) : Visual C++ 6.0
//   Target(s)  : Windows 95/98 and Windows NT (x86)
//   Editor  : Visual C++ 6.0 internal editor
//
// History
// Vers. Date        Aut. Type     Description
// ----- ---------- ---- ------- -----------------------------------------
// 1.00   22 05 1999 BG    Create   Original
// 1.01   20 12 2000 hewen Add
// 1.03   24 10 2001 hewen Add
// 1.04   10 06 2003 hewen Add
//===========================================================================

#ifndef _LOG_H_INCLUDED__
#define _LOG_H_INCLUDED__

//===========================================================================
// Macros and typedefs
//===========================================================================

//===========================================================================
//
// Class   : CLog
// Author(s)  : Bart Gysens
//
// Description  : Declaration of the CLog class
//
// Comments  : none
//
// History   : 1.00 : Create
//                      1.01 : hewen Add
//                      1.03 : hewen Add
//                      1.04 : hewen Add
//===========================================================================

class CLog
{
// Member functions
public:
CLog();

public:
static void PutLog( LPCTSTR pFmt, ... );

//1.01
static void SetFile(LPCTSTR FileName);
//1.03
static void Delete(void);
//1.04
static void PutLogBinary(VOID *pMem,DWORD Length,BOOL bTxt);
static void MessageBox( LPCTSTR pFmt, ... );

};

#endif // _LOG_H_INCLUDED__

############ log.cpp #################

//===========================================================================
//
// HomeWork from Belgium   Not licensed software
// 1999 - 2000      No rights reserved
//
//===========================================================================
//
// Project/Product : Iconizer DLL
// FileName  : log.cpp
// Author(s)  : Bart Gysens
//
// Description  : Declaration of CLog class
//
// Classes   : CLog
//
// Information  :
//   Compiler(s) : Visual C++ 6.0
//   Target(s)  : Windows 95/98 and Windows NT (x86)
//   Editor  : Visual C++ 6.0 internal editor
//
// History
// Vers. Date        Aut. Type     Description
// ----- ---------- ---- ------- -----------------------------------------
// 1.00   22 05 1999 BG    Create   Original
// 1.01   20 12 2000 hewen Add
// 1.03   24 10 2001 hewen Add
// 1.04   16 06 2003 hewen Add      My BirthDay
//===========================================================================

#include "stdafx.h"
#include "stdio.h"
//1.01
#include "stdlib.h"
#include "log.h"

//===========================================================================
// Macros and typedefs
//===========================================================================

//1.01
static char gLogFileName[_MAX_PATH] = "LOG.TXT";

CLog::CLog()
{
}

void CLog::PutLog( LPCTSTR pFmt, ... )
{
//1.02
#ifdef _DEBUG_LOG

FILE * pFile;
//1.01
pFile = fopen( gLogFileName, "ab" );
//1.00
// pFile = fopen( "C:\\LOG.TXT", "a" );

if ( pFile != NULL )
{
  va_list arg;
  va_start( arg, pFmt );
  vfprintf( pFile, pFmt, arg );
  va_end( arg );
  fclose( pFile );
}
#endif
}

//1.01
void CLog::SetFile(LPCTSTR FileName)
{
//1.02
#ifdef _DEBUG_LOG
strncpy(gLogFileName,FileName,_MAX_PATH);
#endif
}

//1.03
void CLog::Delete(void)
{
#ifdef _DEBUG_LOG
DeleteFile(gLogFileName);
#endif
}

//1.04
void CLog::PutLogBinary(VOID *pMem,DWORD Length,BOOL bTxt)
{
#ifdef _DEBUG_LOG
FILE * pFile;
int Row, r, i, j;

if(pMem == NULL || Length <= 0)
return;

pFile = fopen( gLogFileName, "ab" );

unsigned char *P = (unsigned char *)pMem;

unsigned char txtBuff[16];

if ( pFile != NULL )
{
  if(!bTxt)
  {
   fwrite(P,Length,1,pFile);
  }
  else
  {
   Row = Length / 16;
   r   = Length % 16;

   for(i=0;i<Row;i++)
   {
    fprintf(pFile,"%04x:",i);
    for(j=0;j<16;j++)
    {
     fprintf(pFile,"%c%02X",(j == 8 ? ´-´ : ´ ´),*P);
     txtBuff[j] = isgraph(*P) ? *P : ´.´;
     P ++;
    }

    fprintf(pFile," | ");
    fwrite(txtBuff,16,1,pFile);
    fprintf(pFile,"\r\n");
   }

   fprintf(pFile,"%04x:",Row);
   for(i=0;i<16;i++)
   {
    if(i < r)
    {
     fprintf(pFile,"%c%02X",(j == 8 ? ´-´ : ´ ´),*P);
     txtBuff[j] = isgraph(*P) ? *P : ´.´;
    }
    else
    {
     fprintf(pFile,"   ");
     txtBuff[j] = ´ ´;
    }
    P ++;
   }

   fprintf(pFile," | ");
   fwrite(txtBuff,16,1,pFile);
   fprintf(pFile,"\r\n");
  }

fprintf(pFile,"\r\n");
fclose( pFile );
}

#endif
}

//1.04
#include "windows.h"
void CLog::MessageBox( LPCTSTR pFmt, ... )
{
#ifdef _DEBUG_LOG
char buff[1024];
buff[0] = 0;
va_list arg;
va_start( arg, pFmt );
vsprintf( buff, pFmt, arg );
va_end( arg );
AfxMessageBox(buff,MB_OK,0);
#endif
}

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