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Completed rewrite with some testing.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@19181 72102866-910b-0410-8b05-ffd578937521
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CaS 2004-04-25 07:40:19 +00:00
parent 96c253eee4
commit 0b2f72a36f
5 changed files with 63 additions and 22 deletions
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65
Source/NSProtocolChecker.m
View file

@ -61,20 +61,24 @@
*/
- (void) forwardInvocation: (NSInvocation*)anInvocation
{
if (GSObjCIsInstance(_myTarget)
&& ![_myProtocol descriptionForInstanceMethod: [anInvocation selector]])
if (GSObjCIsInstance(_myTarget))
{
[NSException raise: NSInvalidArgumentException
format: @"<%s -%@> not declared",
[_myProtocol name], NSStringFromSelector([anInvocation selector])];
if (![_myProtocol descriptionForInstanceMethod: [anInvocation selector]])
{
[NSException raise: NSInvalidArgumentException
format: @"<%s -%@> not declared",
[_myProtocol name], NSStringFromSelector([anInvocation selector])];
}
}
else if (![_myProtocol descriptionForClassMethod: [anInvocation selector]])
else
{
[NSException raise: NSInvalidArgumentException
format: @"<%s +%@> not declared",
[_myProtocol name], NSStringFromSelector([anInvocation selector])];
if (![_myProtocol descriptionForClassMethod: [anInvocation selector]])
{
[NSException raise: NSInvalidArgumentException
format: @"<%s +%@> not declared",
[_myProtocol name], NSStringFromSelector([anInvocation selector])];
}
}
[anInvocation invokeWithTarget: _myTarget];
}
@ -94,15 +98,25 @@
*/
- (id) initWithTarget: (NSObject*)anObject protocol: (Protocol*)aProtocol
{
self = [super init];
if (self != nil)
{
_myProtocol = aProtocol;
ASSIGN(_myTarget, anObject);
}
_myProtocol = aProtocol;
ASSIGN(_myTarget, anObject);
return self;
}
- (IMP) methodForSelector: (SEL)aSelector
{
return get_imp(GSObjCClass((id)self), aSelector);
}
- (NSMethodSignature*) methodSignatureForSelector: (SEL)aSelector
{
if (aSelector == _cmd || [self respondsToSelector: aSelector] == YES)
{
return [_myTarget methodSignatureForSelector: aSelector];
}
return nil;
}
/**
* Returns the protocol object the checker uses to verify whether a
* given message should be forwarded to its delegate.
@ -112,6 +126,25 @@
return _myProtocol;
}
- (BOOL) respondsToSelector: (SEL)aSelector
{
if (GSObjCIsInstance(_myTarget))
{
if ([_myProtocol descriptionForInstanceMethod: aSelector])
{
return YES;
}
}
else
{
if ([_myProtocol descriptionForClassMethod: aSelector])
{
return YES;
}
}
return NO;
}
/**
* Returns the target of the NSProtocolChecker.
*/