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Imported (working) versions of {class,protocol}_conformsToProtocol() from libobjc2.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@30587 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
David Chisnall 2010-06-06 14:07:11 +00:00
parent a55187bd91
commit 521538ed20
1 changed files with 45 additions and 25 deletions
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68
Source/ObjectiveC2/runtime.c
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@ -250,28 +250,6 @@ class_addProtocol(Class cls, Protocol * protocol)
return YES; return YES;
} }
BOOL
class_conformsToProtocol(Class cls, Protocol * protocol)
{
struct objc_protocol_list *protocols;
for (protocols = cls->protocols;
protocols != NULL; protocols = protocols->next)
{
int i;
for (i = 0; i < protocols->count; i++)
{
if (strcmp(protocols->list[i]->protocol_name,
protocol->protocol_name) == 0)
{
return YES;
}
}
}
return NO;
}
Ivar * Ivar *
class_copyIvarList(Class cls, unsigned int *outCount) class_copyIvarList(Class cls, unsigned int *outCount)
{ {
@ -1060,9 +1038,51 @@ objc_getProtocol(const char *name)
return p; return p;
} }
BOOL BOOL protocol_conformsToProtocol(Protocol *p1, Protocol *p2)
protocol_conformsToProtocol(Protocol * p, Protocol * other)
{ {
struct objc_protocol_list *list = p1->protocol_list;
// A protocol trivially conforms to itself
if (strcmp(p1->protocol_name, p2->protocol_name) == 0) { return YES; }
for (list = p1->protocol_list ; list != NULL ; list = list->next)
{
int i;
for (i=0 ; i<list->count ; i++)
{
if (strcmp(list->list[i]->protocol_name, p2->protocol_name) == 0)
{
return YES;
}
if (protocol_conformsToProtocol((Protocol*)list->list[i], p2))
{
return YES;
}
}
}
return NO;
}
BOOL class_conformsToProtocol(Class cls, Protocol *protocol)
{
struct objc_protocol_list *protocols;
for (protocols = cls->protocols;
protocols != NULL ; protocols = protocols->next)
{
int i;
for (i=0 ; i<protocols->count ; i++)
{
Protocol *p1 = (Protocol*)protocols->list[i];
if (strcmp(p1->protocol_name, protocol->protocol_name) == 0)
{
return YES;
}
if (protocol_conformsToProtocol(p1, protocol))
{
return YES;
}
}
}
return NO; return NO;
} }