/* FSNewlyAllocatedObject.m Copyright (c) 2009 Philippe Mougin. */

/* This software is open source. See the license. */

#import "FSNewlyAllocatedObject.h"

#import <objc/objc-runtime.h>

@implementation FSNewlyAllocatedObject

+ (id)newlyAllocatedObjectWithTarget:(id)theTarget

{

return [[[self alloc] initWithTarget:theTarget] autorelease];

}

- (NSString *)description

{

return [[@"Proxy for a newly allocated " stringByAppendingString:NSStringFromClass(object_getClass(target))] stringByAppendingString:@". Don't forget to initialize it and to use the object returned by the init... method instead of this proxy." ];

}

- (void)forwardInvocation:(NSInvocation *)anInvocation

{

[anInvocation setTarget:target];

[anInvocation invoke];

return;

}

/*

NSProxy (10.6) unfortunately does not support fast forwarding (i.e., forwardingTargetForSelector:)

If it does in a future version, we will be able to replace forwardInvocation: and methodSignatureForSelector: by the method below

- (id)forwardingTargetForSelector:(SEL)aSelector

{

return target;

}

*/

- (id)initWithTarget:(id)theTarget

{

retainCount = 1;

// We do not retain the target, as we stand for an object that has just been allocated but not yet initialized

// Retaining an uninitialized object is not a good idea, in particular because its retain count is not yet initialized

target = theTarget;

return self;

}

- (NSMethodSignature *)methodSignatureForSelector:(SEL)aSelector

{

return [target methodSignatureForSelector:aSelector];

}

- (NSString *)printString

{

return [self description];

}

- (id)retain

{

retainCount++;

return self;

}

- (NSUInteger)retainCount

{

return retainCount;

}

- (void)release

{

if (--retainCount == 0) [self dealloc];

}

@end