The Cheat 1.2

[chaz/thecheat] / ChazLog.m

diff --git a/ChazLog.m b/ChazLog.m
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+++ b/ChazLog.m
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+//
+//  ChazLog.m
+//  Niobium
+//
+//  Created by NB McGarvey on 9/6/04.
+//  Copyright 2004 NB McGarvey. All rights reserved.
+//
+
+#include "ChazLog.h"
+
+#include "stdio.h"
+#include "stdlib.h"
+
+
+// PrivateAPI
+void static _ChazPrint( FILE *output, NSString *format, va_list args );
+
+
+// Static Globals
+BOOL static _gLogEnabled = NO;
+FILE static *_gLogFile = stdout;
+FILE static *_gDebugFile = NULL;
+
+
+#pragma mark -
+#pragma mark Setup
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+
+void ChazLogEnable()
+{
+       _gLogEnabled = YES;
+}
+
+void ChazLogDisable()
+{
+       if ( _gLogFile != _gDebugFile ) {
+               _gLogEnabled = NO;
+       }
+}
+
+
+void ChazDebugSetup()
+{
+       NSString *filepath = ChazDebugLogPath();
+       FILE *file;
+       
+       // look for debug file
+       file = fopen( [filepath lossyCString], "r+" );
+       
+       if ( !file ) {
+               // there is no debug file or we don't have permissions
+               return;
+       }
+       
+       fclose( file );
+       
+       _gDebugFile = fopen( [filepath lossyCString], "w" );
+       
+       ChazDebug( @"Debug log found (obviously).  Entering debug mode." );
+}
+
+void ChazDebugCleanup()
+{
+       if ( _gDebugFile ) {
+               ChazDebug( @"Debug log cleaned up." );
+               
+               fclose ( _gDebugFile );
+       }
+}
+
+
+#pragma mark -
+#pragma mark Logs
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+
+void ChazLog( NSString *format, ... )
+{
+       va_list args;
+       
+       if ( !_gLogEnabled ) {
+               return;
+       }
+       
+    va_start( args, format );
+       // print log to standard i/o
+       _ChazPrint( _gLogFile, format, args );
+    va_end( args );
+}
+
+void ChazDebug( NSString *format, ... )
+{
+       va_list args;
+       
+       if ( !_gDebugFile ) {
+               return;
+       }
+       
+    va_start( args, format );
+       // print log to the debug file
+       _ChazPrint( _gDebugFile, format, args );
+    va_end( args );
+}
+
+
+#pragma mark -
+#pragma mark Miscellaneous
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+
+BOOL ChazIsDebugging()
+{
+       return (_gDebugFile != NULL);
+}
+
+NSString *ChazDebugLogPath()
+{
+       // get filepath
+       return [[[[NSBundle mainBundle] bundlePath] stringByDeletingLastPathComponent] stringByAppendingPathComponent:@"debug.txt"];
+}
+
+
+void ChazMapLogToDebug()
+{
+       if ( _gDebugFile ) {
+               _gLogEnabled = YES;
+               _gLogFile = _gDebugFile;
+       }
+}
+
+
+void ChazOpenDebugLog()
+{
+       [[NSWorkspace sharedWorkspace] openFile:ChazDebugLogPath()];
+}
+
+
+#pragma mark -
+#pragma mark PrivateAPI
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+
+void _ChazPrint( FILE *output, NSString *format, va_list args )
+{
+       NSString *string;
+       
+       // get formatted string
+    string = [[NSString alloc] initWithFormat:format arguments:args];
+       
+       fprintf( output, "[%s] %s\n", [[[NSDate date] descriptionWithCalendarFormat:@"%Y-%m-%d %H:%M:%S.%F"
+                                                                                                                                          timeZone:nil
+                                                                                                                                                locale:nil] lossyCString], [string lossyCString] );
+       fflush( output );
+       
+       [string release];
+}
+
+