/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
* Jonathan Schleifer <js@heap.zone>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#include <string.h>
#import "runtime.h"
#import "runtime-private.h"
@implementation Protocol
@end
const char *
protocol_getName(Protocol *p)
{
return p->name;
}
bool
protocol_isEqual(Protocol *a, Protocol *b)
{
return (strcmp(protocol_getName(a), protocol_getName(b)) == 0);
}
bool
protocol_conformsToProtocol(Protocol *a, Protocol *b)
{
if (protocol_isEqual(a, b))
return true;
for (struct objc_protocol_list *pl = a->protocol_list;
pl != NULL; pl = pl->next)
for (long i = 0; i < pl->count; i++)
if (protocol_conformsToProtocol(pl->list[i], b))
return true;
return false;
}
bool
class_conformsToProtocol(Class cls, Protocol *p)
{
struct objc_category **cats;
if (cls == Nil)
return false;
for (struct objc_protocol_list *pl = cls->protocols;
pl != NULL; pl = pl->next)
for (long i = 0; i < pl->count; i++)
if (protocol_conformsToProtocol(pl->list[i], p))
return true;
objc_global_mutex_lock();
if ((cats = objc_categories_for_class(cls)) == NULL) {
objc_global_mutex_unlock();
return false;
}
for (long i = 0; cats[i] != NULL; i++) {
for (struct objc_protocol_list *pl = cats[i]->protocols;
pl != NULL; pl = pl->next) {
for (long j = 0; j < pl->count; j++) {
if (protocol_conformsToProtocol(
pl->list[j], p)) {
objc_global_mutex_unlock();
return true;
}
}
}
}
objc_global_mutex_unlock();
return false;
}