📄 log.cpp
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//==============================================================
//==============================================================
//= log.cpp ====================================================
//= Original coders: Evan Pipho (terminate@gdnmail.net) and =
//= Trent Polack (trent@voxelsoft.com) =
//==============================================================
//= The routines for the run-time log (HTML output) component =
//==============================================================
//==============================================================
//------------------------------------------------------------------//
//------------------------------------------------------------------//
//- HEADERS AND LIBRARIES ------------------------------------------//
//------------------------------------------------------------------//
//------------------------------------------------------------------//
#include <windows.h>
#include <time.h>
#include "log.h"
//--------------------------------------------------------------
//--------------------------------------------------------------
//- GLOBALS ----------------------------------------------------
//--------------------------------------------------------------
//--------------------------------------------------------------
CLOG g_log;
//--------------------------------------------------------------
//--------------------------------------------------------------
//- DEFINITIONS ------------------------------------------------
//--------------------------------------------------------------
//--------------------------------------------------------------
//--------------------------------------------------------------
// Name: CLOG::Init - public
// Description: Initiate the log file
// Arguments: -szFilename: name of the log HTML file
// Return Value: A boolean value: -true: successful initiation
// -false: unsuccessful initiation
//--------------------------------------------------------------
bool CLOG::Init( char* szFilename )
{
FILE* pFile;
time_t ttime;
tm* pCurTime;
char cLogStart[128];
//Store filename & type for later use
m_szFilename= szFilename;
//Get the current time
time( &ttime );
pCurTime= localtime(&ttime);
strftime( cLogStart, 128, "Log Started on %m/%d/%Y at %H:%M:%S", pCurTime );
//open the log file
pFile= fopen( szFilename, "wt" );
//something *really* went wrong
if( !pFile )
return false;
//setup the HTML file
fprintf( pFile, "<HTML>\n<TITLE>%s</TITLE>\n"
"<BODY BGCOLOR= 000000>\n"
"<FONT COLOR= FFFFFF>%s</FONT><BR><BR>\n"
"</BODY>\n</HTML>", cLogStart, cLogStart );
//enable the log
m_bEnabled= true;
//close the log file
fclose( pFile );
return true;
}
//--------------------------------------------------------------
// Name: CLOG::Write - public
// Description: Write a colored string to the log file
// Arguments: -color: color from the ELOG_COLORS enumeration
// -szString: the C-style string to output to the log
// Return Value: None
//--------------------------------------------------------------
void CLOG::Write( ELOG_COLORS color, char* szString, ... )
{
FILE* pFile;
va_list va;
time_t ttime;
tm* pCurTime;
char szParsedString[1024];
char szLogTime[32];
if( !m_bEnabled )
return;
//get time
time( &ttime );
pCurTime= localtime( &ttime );
strftime( szLogTime, 32, "<PRE>%H:%M:%S ", pCurTime );
//parse the given string
va_start( va, szString );
vsprintf( szParsedString, szString, va );
va_end( va );
//open the log file
pFile= fopen( m_szFilename, "r+" );
if( !pFile )
return;
//write text to the log file
fseek( pFile, -16, SEEK_END );
fprintf( pFile, "<FONT COLOR= \"%s\">%s %s</PRE></FONT>\n"
"</BODY>\n</HTML>", GetColor( color ), szLogTime, szParsedString );
fclose( pFile );
}
//--------------------------------------------------------------
// Name: CLOG::GetColor - private
// Description: Convert a constant to an HTML color string
// Arguments: -color: color from the ELOG_COLORS enumeration
// Return Value: A char string: HTML color value that corresponds
// to the given constant
//--------------------------------------------------------------
char* CLOG::GetColor( ELOG_COLORS color )
{
switch( color )
{
case LOG_SUCCESS:
return "#00FF00";
break;
case LOG_FAILURE:
return "#FF0000";
break;
case LOG_PLAINTEXT:
return "#FFFFFF";
break;
case LOG_RENDERER:
return "#4995B1";
break;
}
return NULL;
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