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

   1 //
   2 //  ChazLog.m
   3 //  Niobium
   4 //
   5 //  Created by NB McGarvey on 9/6/04.
   6 //  Copyright 2004 NB McGarvey. All rights reserved.
   7 //
   8
   9 #include "ChazLog.h"
  10
  11 #include "stdio.h"
  12 #include "stdlib.h"
  13
  14
  15 // PrivateAPI
  16 void static _ChazPrint( FILE *output, NSString *format, va_list args );
  17
  18
  19 // Static Globals
  20 BOOL static _gLogEnabled = NO;
  21 FILE static *_gLogFile = stdout;
  22 FILE static *_gDebugFile = NULL;
  23
  24
  25 #pragma mark -
  26 #pragma mark Setup
  27 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  28
  29 void ChazLogEnable()
  30 {
  31         _gLogEnabled = YES;
  32 }
  33
  34 void ChazLogDisable()
  35 {
  36         if ( _gLogFile != _gDebugFile ) {
  37                 _gLogEnabled = NO;
  38         }
  39 }
  40
  41
  42 void ChazDebugSetup()
  43 {
  44         NSString *filepath = ChazDebugLogPath();
  45         FILE *file;
  46
  47         // look for debug file
  48         file = fopen( [filepath lossyCString], "r+" );
  49
  50         if ( !file ) {
  51                 // there is no debug file or we don't have permissions
  52                 return;
  53         }
  54
  55         fclose( file );
  56
  57         _gDebugFile = fopen( [filepath lossyCString], "w" );
  58
  59         ChazDebug( @"Debug log found (obviously).  Entering debug mode." );
  60 }
  61
  62 void ChazDebugCleanup()
  63 {
  64         if ( _gDebugFile ) {
  65                 ChazDebug( @"Debug log cleaned up." );
  66
  67                 fclose ( _gDebugFile );
  68         }
  69 }
  70
  71
  72 #pragma mark -
  73 #pragma mark Logs
  74 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  75
  76 void ChazLog( NSString *format, ... )
  77 {
  78         va_list args;
  79
  80         if ( !_gLogEnabled ) {
  81                 return;
  82         }
  83
  84     va_start( args, format );
  85         // print log to standard i/o
  86         _ChazPrint( _gLogFile, format, args );
  87     va_end( args );
  88 }
  89
  90 void ChazDebug( NSString *format, ... )
  91 {
  92         va_list args;
  93
  94         if ( !_gDebugFile ) {
  95                 return;
  96         }
  97
  98     va_start( args, format );
  99         // print log to the debug file
 100         _ChazPrint( _gDebugFile, format, args );
 101     va_end( args );
 102 }
 103
 104
 105 #pragma mark -
 106 #pragma mark Miscellaneous
 107 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
 108
 109 BOOL ChazIsDebugging()
 110 {
 111         return (_gDebugFile != NULL);
 112 }
 113
 114 NSString *ChazDebugLogPath()
 115 {
 116         // get filepath
 117         return [[[[NSBundle mainBundle] bundlePath] stringByDeletingLastPathComponent] stringByAppendingPathComponent:@"debug.txt"];
 118 }
 119
 120
 121 void ChazMapLogToDebug()
 122 {
 123         if ( _gDebugFile ) {
 124                 _gLogEnabled = YES;
 125                 _gLogFile = _gDebugFile;
 126         }
 127 }
 128
 129
 130 void ChazOpenDebugLog()
 131 {
 132         [[NSWorkspace sharedWorkspace] openFile:ChazDebugLogPath()];
 133 }
 134
 135
 136 #pragma mark -
 137 #pragma mark PrivateAPI
 138 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
 139
 140 void _ChazPrint( FILE *output, NSString *format, va_list args )
 141 {
 142         NSString *string;
 143
 144         // get formatted string
 145     string = [[NSString alloc] initWithFormat:format arguments:args];
 146
 147         fprintf( output, "[%s] %s\n", [[[NSDate date] descriptionWithCalendarFormat:@"%Y-%m-%d %H:%M:%S.%F"
 148                                                                                                                                            timeZone:nil
 149                                                                                                                                                  locale:nil] lossyCString], [string lossyCString] );
 150         fflush( output );
 151
 152         [string release];
 153 }
 154
 155