#import "DeepCopy.h"


@implementation NSDictionary (DeepMutableCopy)

- (id)deepMutableCopy
{
	NSMutableDictionary* rv = [[NSMutableDictionary alloc] initWithCapacity:[self count]];
	NSArray* keys = [self allKeys];

    NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
	for (id k in keys)
	{
		[rv setObject:[[[self valueForKey:k] deepMutableCopy] autorelease] forKey:k];
	}
	[pool release];

	return rv;
}

@end


@implementation NSArray (DeepMutableCopy)

- (id)deepMutableCopy
{
	int n = [self count];
	NSMutableArray* rv = [[NSMutableArray alloc] initWithCapacity:n];
	
    NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
	for (int i = 0; i < n; i++)
	{
		[rv insertObject:[[[self objectAtIndex:i] deepMutableCopy] autorelease] atIndex:i];
	}
	[pool release];
	
	return rv;
}

@end


@implementation NSString (DeepMutableCopy)

- (id)deepMutableCopy
{
	return [self mutableCopy];
}

@end


@implementation NSDate (DeepMutableCopy)

- (id)deepMutableCopy
{
	return [self copy];
}

@end


@implementation NSData (DeepMutableCopy)

- (id)deepMutableCopy
{
	return [self mutableCopy];
}

@end


@implementation NSNumber (DeepMutableCopy)

- (id)deepMutableCopy
{
	return [self copy];
}

@end


@implementation NSNull (DeepMutableCopy)

- (id)deepMutableCopy
{
    return self;
}

@end