1 files changed, 43 insertions, 0 deletions
diff --git a/Source/NSDictionary_DeepMutableCopy.m b/Source/NSDictionary_DeepMutableCopy.m
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+++ b/Source/NSDictionary_DeepMutableCopy.m
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+//
+//  NSDictionary_DeepMutableCopy.m
+//
+//  Created by Matt Gemmell on 02/05/2008.
+//  Copyright 2008 Instinctive Code. All rights reserved.
+//
+
+#import "NSDictionary_DeepMutableCopy.h"
+
+
+@implementation NSDictionary (DeepMutableCopy)
+
+
+- (NSMutableDictionary *)deepMutableCopy;
+{
+    NSMutableDictionary *newDictionary;
+    NSEnumerator *keyEnumerator;
+    id anObject;
+    id aKey;
+	
+    newDictionary = [self mutableCopy];
+    // Run through the new dictionary and replace any objects that respond to -deepMutableCopy or -mutableCopy with copies.
+    keyEnumerator = [[newDictionary allKeys] objectEnumerator];
+    while ((aKey = [keyEnumerator nextObject])) {
+        anObject = [newDictionary objectForKey:aKey];
+        if ([anObject respondsToSelector:@selector(deepMutableCopy)]) {
+            anObject = [anObject deepMutableCopy];
+            [newDictionary setObject:anObject forKey:aKey];
+            [anObject release];
+        } else if ([anObject respondsToSelector:@selector(mutableCopyWithZone:)]) {
+            anObject = [anObject mutableCopyWithZone:nil];
+            [newDictionary setObject:anObject forKey:aKey];
+            [anObject release];
+        } else {
+			[newDictionary setObject:anObject forKey:aKey];
+		}
+    }
+	
+    return newDictionary;
+}
+
+
+@end