Source/BreakpointManager.m

   1 /*
   2  * MacGDBp
   3  * Copyright (c) 2007 - 2008, Blue Static <http://www.bluestatic.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
   6  * General Public License as published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
  10  * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with this program; if not,
  14  * write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  15  */
  16
  17 #import "BreakpointManager.h"
  18
  19 NSString *kdBreakpoints = @"breakpoints";
  20
  21 @implementation BreakpointManager
  22
  23 /**
  24  * Initializer
  25  */
  26 - (id)init
  27 {
  28         if (self = [super init])
  29         {
  30                 breakpoints = (NSMutableDictionary *)[[NSUserDefaults standardUserDefaults] objectForKey:kdBreakpoints];
  31                 if (!breakpoints)
  32                 {
  33                         breakpoints = [NSMutableDictionary dictionary];
  34                 }
  35         }
  36         return self;
  37 }
  38
  39 /**
  40  * Returns the shared manager (singleton)
  41  */
  42 + (BreakpointManager *)sharedManager
  43 {
  44         static BreakpointManager *manager;
  45         if (!manager)
  46         {
  47                 manager = [[BreakpointManager alloc] init];
  48         }
  49         return manager;
  50 }
  51
  52 /**
  53  * Registers a breakpoint at a given line
  54  */
  55 - (void)addBreakpoint:(Breakpoint *)bp;
  56 {
  57         NSMutableSet *lines = [breakpoints valueForKey:[bp file]];
  58         if (lines == nil)
  59         {
  60                 lines = [NSMutableSet setWithObject:bp];
  61                 [breakpoints setValue:lines forKey:[bp file]];
  62         }
  63         else
  64         {
  65                 [lines addObject:bp];
  66         }
  67         // TODO: use NSDictionary to store breakoints because we can only archive defaults in NSUserDefaults
  68         //[[NSUserDefaults standardUserDefaults] setObject:breakpoints forKey:kdBreakpoints];
  69         //NSLog(@"breakpoints = %@", breakpoints);
  70 }
  71
  72 /**
  73  * Removes a breakpoint at a given line/file combination, or nil if nothing was removed
  74  */
  75 - (Breakpoint *)removeBreakpointAt:(int)line inFile:(NSString *)file
  76 {
  77         NSMutableSet *lines = [breakpoints valueForKey:file];
  78         for (Breakpoint *b in lines)
  79         {
  80                 if ([b line] == line)
  81                 {
  82                         [lines removeObject:b];
  83                         // TODO: use NSDictionary
  84                         //[[NSUserDefaults standardUserDefaults] setObject:breakpoints forKey:kdBreakpoints];
  85                         return b;
  86                 }
  87         }
  88         return nil;
  89 }
  90
  91 /**
  92  * Returns all the breakpoints for a given file
  93  */
  94 - (NSSet *)breakpointsForFile:(NSString *)file
  95 {
  96         return [breakpoints valueForKey:file];
  97 }
  98
  99 /**
 100  * Checks to see if a given file has a breakpoint on a given line
 101  */
 102 - (BOOL)hasBreakpointAt:(int)line inFile:(NSString *)file
 103 {
 104         NSSet *lines = [breakpoints valueForKey:file];
 105         if (!lines)
 106         {
 107                 return NO;
 108         }
 109         for (Breakpoint *b in lines)
 110         {
 111                 if ([b line] == line)
 112                 {
 113                         return YES;
 114                 }
 115         }
 116         return NO;
 117 }
 118
 119 @end