/
CPProxy.j
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/
CPProxy.j
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/*
* CPProxy.j
* Foundation
*
* Created by Francisco Tolmasky.
* Copyright 2009, 280 North, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@import "CPException.j"
@import "CPInvocation.j"
@import "CPObject.j"
@import "CPString.j"
@implementation CPProxy
{
Class isa;
}
+ (void)load
{
}
+ (void)initialize
{
}
+ (Class)class
{
return self;
}
+ (id)alloc
{
return class_createInstance(self);
}
+ (BOOL)respondsToSelector:(SEL)selector
{
return !!class_getInstanceMethod(isa, aSelector);
}
- (CPMethodSignature)methodSignatureForSelector:(SEL)aSelector
{
[CPException raise:CPInvalidArgumentException
reason:@"-methodSignatureForSelector: called on abstract CPProxy class."];
}
- (void)forwardInvocation:(CPInvocation)anInvocation
{
[CPException raise:CPInvalidArgumentException
reason:@"-forwardInvocation: called on abstract CPProxy class."];
}
// FIXME: This should be moved to the runtime?
- (void)forward:(SEL)aSelector :(marg_list)args
{
return [CPObject methodForSelector:_cmd](self, _cmd, aSelector, args);
}
- (unsigned)hash
{
return [self UID];
}
- (unsigned)UID
{
if (typeof self._UID === "undefined")
self._UID = objj_generateObjectUID();
return self._UID;
}
- (BOOL)isEqual:(id)anObject
{
return self === anObject;
}
- (id)self
{
return self;
}
- (Class)class
{
return isa;
}
- (Class)superclass
{
return class_getSuperclass(isa);
}
- (id)performSelector:(SEL)aSelector
{
return self.isa.objj_msgSend0(self, aSelector);
}
- (id)performSelector:(SEL)aSelector withObject:(id)anObject
{
return self.isa.objj_msgSend1(self, aSelector, anObject);
}
- (id)performSelector:(SEL)aSelector withObject:(id)anObject withObject:(id)anotherObject
{
return self.isa.objj_msgSend2(self, aSelector, anObject, anotherObject);
}
- (BOOL)isProxy
{
return YES;
}
- (BOOL)isKindOfClass:(Class)aClass
{
var signature = [self methodSignatureForSelector:_cmd],
invocation = [CPInvocation invocationWithMethodSignature:signature];
[self forwardInvocation:invocation];
return [invocation returnValue];
}
- (BOOL)isMemberOfClass:(Class)aClass
{
var signature = [self methodSignatureForSelector:_cmd],
invocation = [CPInvocation invocationWithMethodSignature:signature];
[self forwardInvocation:invocation];
return [invocation returnValue];
}
- (BOOL)respondsToSelector:(SEL)aSelector
{
var signature = [self methodSignatureForSelector:_cmd],
invocation = [CPInvocation invocationWithMethodSignature:signature];
[self forwardInvocation:invocation];
return [invocation returnValue];
}
- (CPString)description
{
return "<" + class_getName(isa) + " 0x" + [CPString stringWithHash:[self UID]] + ">";
}
@end