Line data    Source code

       1           0 : /*
       2             : 
       3             : NSMutableDictionaryOOExtensions.m
       4             : 
       5             : Oolite
       6             : Copyright (C) 2004-2013 Giles C Williams and contributors
       7             : 
       8             : This program is free software; you can redistribute it and/or
       9             : modify it under the terms of the GNU General Public License
      10             : as published by the Free Software Foundation; either version 2
      11             : of the License, or (at your option) any later version.
      12             : 
      13             : This program is distributed in the hope that it will be useful,
      14             : but WITHOUT ANY WARRANTY; without even the implied warranty of
      15             : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      16             : GNU General Public License for more details.
      17             : 
      18             : You should have received a copy of the GNU General Public License
      19             : along with this program; if not, write to the Free Software
      20             : Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
      21             : MA 02110-1301, USA.
      22             : 
      23             : */
      24             : 
      25             : #import <Foundation/Foundation.h>
      26             : #import "NSMutableDictionaryOOExtensions.h"
      27             : 
      28             : @implementation NSMutableDictionary (OOExtensions)
      29             : 
      30             : - (void)mergeEntriesFromDictionary:(NSDictionary *)otherDictionary
      31             : {
      32             :         NSEnumerator    *otherKeysEnum = nil;
      33             :         id                              key = nil;
      34             :          
      35             :         for (otherKeysEnum = [otherDictionary keyEnumerator]; (key = [otherKeysEnum nextObject]); )
      36             :         {
      37             :                 if (![self objectForKey:key])
      38             :                         [self setObject:[otherDictionary objectForKey:key] forKey:key];
      39             :                 else
      40             :                 {
      41             :                         BOOL merged = NO;
      42             :                         id thisObject = [self objectForKey:key];
      43             :                         id otherObject = [otherDictionary objectForKey:key];
      44             :                         
      45             :                         if ([thisObject isKindOfClass:[NSDictionary class]]&&[otherObject isKindOfClass:[NSDictionary class]]&&(![thisObject isEqual:otherObject]))
      46             :                         {
      47             :                                 NSMutableDictionary* mergeObject = [NSMutableDictionary dictionaryWithDictionary:(NSDictionary*)thisObject];
      48             :                                 [mergeObject mergeEntriesFromDictionary:(NSDictionary*)otherObject];
      49             :                                 [self setObject:mergeObject forKey:key];
      50             :                                 merged = YES;
      51             :                         }
      52             :                         
      53             :                         if ([thisObject isKindOfClass:[NSArray class]]&&[otherObject isKindOfClass:[NSArray class]]&&(![thisObject isEqual:otherObject]))
      54             :                         {
      55             :                                 NSMutableArray* mergeObject = [NSMutableArray arrayWithArray:(NSArray*)thisObject];
      56             :                                 [mergeObject addObjectsFromArray:(NSArray*)otherObject];
      57             :                                 [self setObject:mergeObject forKey:key];
      58             :                                 merged = YES;
      59             :                         }
      60             :                         
      61             :                         if (!merged)
      62             :                                 [self setObject:otherObject forKey:key];
      63             :                 }
      64             :         }       
      65             : }
      66             : 
      67             : @end