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//
// InvocationRecorder.m
// Notation
//
/*Copyright (c) 2010, Zachary Schneirov. All rights reserved.
This file is part of Notational Velocity.
Notational Velocity is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Notational Velocity is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Notational Velocity. If not, see <http://www.gnu.org/licenses/>. */
#import "InvocationRecorder.h"
@implementation InvocationRecorder
+ (id)invocationRecorder {
return [[[self alloc] init] autorelease];
}
- (void)dealloc {
[target release];
[invocation release];
[super dealloc];
}
- (id)target {
return target;
}
- (NSInvocation *)invocation {
return invocation;
}
- (NSMethodSignature *)methodSignatureForSelector:(SEL)aSEL {
//check the superclass first
NSMethodSignature *theMethodSignature = [super methodSignatureForSelector:aSEL];
return theMethodSignature ? theMethodSignature : [target methodSignatureForSelector:aSEL];
}
- (void)forwardInvocation:(NSInvocation *)anInvocation {
if (invocation != anInvocation) {
[invocation autorelease];
invocation = [anInvocation retain];
[anInvocation setTarget:target];
[invocation retainArguments];
}
}
- (id)prepareWithInvocationTarget:(id)aTarget {
if (target != aTarget) {
[target autorelease];
target = [aTarget retain];
}
return self;
}
@end
@implementation ComparableInvocation
- (id)initWithInvocation:(NSInvocation*)anInvocation {
if ([super init]) {
if (!(innerInvocation = [anInvocation retain]))
return nil;
}
return self;
}
- (void)dealloc {
[innerInvocation release];
[super dealloc];
}
- (void)invoke {
[innerInvocation invoke];
}
- (NSUInteger)hash {
//this is alright for now
return [[innerInvocation methodSignature] hash];
}
- (NSInvocation*)invocation {
return innerInvocation;
}
- (BOOL)isEqual:(id)anObject {
NSInvocation *anInvocation = [anObject invocation];
//targets should have pointer equality to ensure they are the same object
return [innerInvocation target] == [anInvocation target] &&
[innerInvocation selector] == [anInvocation selector] &&
[[innerInvocation methodSignature] isEqual:[anInvocation methodSignature]];
}
@end
@implementation NSInvocation (MissingMethods)
- (NSString*)description {
return [NSString stringWithFormat:@"%@: %s", [self target], [self selector]];
}
@end
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