/*
* Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im>
*
* 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 "ObjFWRT.h"
#import "private.h"
@implementation Protocol
@end
const char *
protocol_getName(Protocol *protocol)
{
return protocol->name;
}
bool
protocol_isEqual(Protocol *protocol1, Protocol *protocol2)
{
return (strcmp(protocol_getName(protocol1),
protocol_getName(protocol2)) == 0);
}
bool
protocol_conformsToProtocol(Protocol *protocol1, Protocol *protocol2)
{
if (protocol_isEqual(protocol1, protocol2))
return true;
for (struct objc_protocol_list *protocolList = protocol1->protocolList;
protocolList != NULL; protocolList = protocolList->next)
for (long i = 0; i < protocolList->count; i++)
if (protocol_conformsToProtocol(protocolList->list[i],
protocol2))
return true;
return false;
}
bool
class_conformsToProtocol(Class class, Protocol *protocol)
{
struct objc_category **categories;
if (class == Nil)
return false;
for (struct objc_protocol_list *protocolList = class->protocols;
protocolList != NULL; protocolList = protocolList->next)
for (long i = 0; i < protocolList->count; i++)
if (protocol_conformsToProtocol(protocolList->list[i],
protocol))
return true;
objc_globalMutex_lock();
if ((categories = objc_categoriesForClass(class)) == NULL) {
objc_globalMutex_unlock();
return false;
}
for (long i = 0; categories[i] != NULL; i++) {
for (struct objc_protocol_list *protocolList =
categories[i]->protocols; protocolList != NULL;
protocolList = protocolList->next) {
for (long j = 0; j < protocolList->count; j++) {
if (protocol_conformsToProtocol(
protocolList->list[j], protocol)) {
objc_globalMutex_unlock();
return true;
}
}
}
}
objc_globalMutex_unlock();
return false;
}