Dogcows Code - chaz/thecheat/blob - ChazLog.m

   1
   2 // **********************************************************************
   3 // The Cheat - A universal game cheater for Mac OS X
   4 // (C) 2003-2005 Chaz McGarvey (BrokenZipper)
   5 //
   6 // This program is free software; you can redistribute it and/or modify
   7 // it under the terms of the GNU General Public License as published by
   8 // the Free Software Foundation; either version 1, or (at your option)
   9 // any later version.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License
  17 // along with this program; if not, write to the Free Software
  18 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 //
  20
  21
  22 #include "ChazLog.h"
  23
  24 #include "stdio.h"
  25 #include "stdlib.h"
  26
  27
  28 // PrivateAPI
  29 void static _ChazPrint( FILE *output, NSString *format, va_list args );
  30
  31
  32 // Static Globals
  33 BOOL static _gLogEnabled = NO;
  34 FILE static *_gLogFile = stdout;
  35 FILE static *_gDebugFile = NULL;
  36
  37
  38 #pragma mark -
  39 #pragma mark Setup
  40 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  41
  42 void ChazLogEnable()
  43 {
  44         _gLogEnabled = YES;
  45 }
  46
  47 void ChazLogDisable()
  48 {
  49         if ( _gLogFile != _gDebugFile ) {
  50                 _gLogEnabled = NO;
  51         }
  52 }
  53
  54
  55 void ChazDebugSetup()
  56 {
  57         NSString *filepath = ChazDebugLogPath();
  58         FILE *file;
  59
  60         // look for debug file
  61         file = fopen( [filepath lossyCString], "r+" );
  62
  63         if ( !file ) {
  64                 // there is no debug file or we don't have permissions
  65                 return;
  66         }
  67
  68         fclose( file );
  69
  70         _gDebugFile = fopen( [filepath lossyCString], "w" );
  71
  72         ChazDebug( @"Debug log found (obviously).  Entering debug mode." );
  73 }
  74
  75 void ChazDebugCleanup()
  76 {
  77         if ( _gDebugFile ) {
  78                 ChazDebug( @"Debug log cleaned up." );
  79
  80                 fclose ( _gDebugFile );
  81         }
  82 }
  83
  84
  85 #pragma mark -
  86 #pragma mark Logs
  87 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  88
  89 void ChazLog( NSString *format, ... )
  90 {
  91         va_list args;
  92
  93         if ( !_gLogEnabled ) {
  94                 return;
  95         }
  96
  97     va_start( args, format );
  98         // print log to standard i/o
  99         _ChazPrint( _gLogFile, format, args );
 100     va_end( args );
 101 }
 102
 103 void ChazDebug( NSString *format, ... )
 104 {
 105         va_list args;
 106
 107         if ( !_gDebugFile ) {
 108                 return;
 109         }
 110
 111     va_start( args, format );
 112         // print log to the debug file
 113         _ChazPrint( _gDebugFile, format, args );
 114     va_end( args );
 115 }
 116
 117
 118 #pragma mark -
 119 #pragma mark Miscellaneous
 120 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
 121
 122 BOOL ChazIsDebugging()
 123 {
 124         return (_gDebugFile != NULL);
 125 }
 126
 127 NSString *ChazDebugLogPath()
 128 {
 129         // get filepath
 130         return [[[[NSBundle mainBundle] bundlePath] stringByDeletingLastPathComponent] stringByAppendingPathComponent:@"debug.txt"];
 131 }
 132
 133
 134 void ChazMapLogToDebug()
 135 {
 136         if ( _gDebugFile ) {
 137                 _gLogEnabled = YES;
 138                 _gLogFile = _gDebugFile;
 139         }
 140 }
 141
 142
 143 void ChazOpenDebugLog()
 144 {
 145         [[NSWorkspace sharedWorkspace] openFile:ChazDebugLogPath()];
 146 }
 147
 148
 149 #pragma mark -
 150 #pragma mark PrivateAPI
 151 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
 152
 153 void _ChazPrint( FILE *output, NSString *format, va_list args )
 154 {
 155         NSString *string;
 156
 157         // get formatted string
 158     string = [[NSString alloc] initWithFormat:format arguments:args];
 159
 160         fprintf( output, "[%s] %s\n", [[[NSDate date] descriptionWithCalendarFormat:@"%Y-%m-%d %H:%M:%S.%F"
 161                                                                                                                                            timeZone:nil
 162                                                                                                                                                  locale:nil] lossyCString], [string lossyCString] );
 163         fflush( output );
 164
 165         [string release];
 166 }
 167
 168