ObjFW  Check-in [ef8d57bd4e]

 *	  object.
 *
 * @param object The object which is checked for being in the set
 * @return A boolean whether the set contains the specified object
 */
- (bool)containsObject: (nullable ObjectType)object;

/*!
 * @brief Returns the value for the specified key
 *
 * If the key starts with an `@`, the `@` is stripped and
 * `[super valueForKey:]` is called.
 * If the key does not start with an `@`, a new set with the value for the
 * specified key for each object is returned.
 *
 * @note Unlike with @ref OFArray, any nil values are removed!
 *
 * @param key The key of the value to return
 * @return The value for the specified key
 */
- (nullable id)valueForKey: (OFString*)key;

/*!
 * @brief Set the value for the specified key
 *
 * If the key starts with an `@`, the `@` is stripped and
 * `[super setValue:forKey:]` is called.
 * If the key does not start with an `@`, @ref setValue:forKey: is called for
 * each object.
 *
 * @note A @ref OFNull value is translated to nil!
 *
 * @param value The value for the specified key
 * @param key The key of the value to set
 */
- (void)setValue: (nullable id)value
	  forKey: (OFString*)key;

/*!
 * @brief Returns an OFEnumerator to enumerate through all objects of the set.
 *
 * @returns An OFEnumerator to enumerate through all objects of the set
 */
- (OFEnumerator OF_GENERIC(ObjectType)*)objectEnumerator;

#include <stdlib.h>

#import "OFSet.h"
#import "OFSet_hashtable.h"
#import "OFString.h"
#import "OFArray.h"
#import "OFXMLElement.h"
#import "OFNull.h"

static struct {
	Class isa;
} placeholder;

@interface OFSet_placeholder: OFSet
@end

	OF_INVALID_INIT_METHOD
}

- (size_t)count
{
	OF_UNRECOGNIZED_SELECTOR
}

- (id)valueForKey: (OFString*)key
{
	OFMutableSet *ret;

	if ([key hasPrefix: @"@"]) {
		void *pool = objc_autoreleasePoolPush();
		id ret;

		key = [key substringWithRange: of_range(1, [key length] - 1)];
		ret = [[super valueForKey: key] retain];

		objc_autoreleasePoolPop(pool);

		return [ret autorelease];
	}

	ret = [OFMutableSet setWithCapacity: [self count]];

	for (id object in self) {
		id value = [object valueForKey: key];

		if (value != nil)
			[ret addObject: value];
	}

	[ret makeImmutable];

	return ret;
}

- (void)setValue: (id)value
	  forKey: (OFString*)key
{
	if ([key hasPrefix: @"@"]) {
		void *pool = objc_autoreleasePoolPush();

		key = [key substringWithRange: of_range(1, [key length] - 1)];
		[super setValue: value
			 forKey: key];

		objc_autoreleasePoolPop(pool);
		return;
	}

	if (value == [OFNull null])
		value = nil;

	for (id object in self)
		[object setValue: value
			  forKey: key];
}

- (bool)containsObject: (id)object
{
	OF_UNRECOGNIZED_SELECTOR
}

- (OFEnumerator*)objectEnumerator

 * file.
 */

#include "config.h"

#import "OFSet.h"
#import "OFArray.h"
#import "OFNumber.h"
#import "OFAutoreleasePool.h"

#import "OFEnumerationMutationException.h"

#import "TestsAppDelegate.h"

static OFString *module = @"OFSet";

			[mutableSet removeObject: s];
	} @catch (OFEnumerationMutationException *e) {
		ok = true;
	}

	TEST(@"Detection of mutation during Fast Enumeration", ok);

	TEST(@"-[valueForKey:]",
	    [(set1 = [[OFSet setWithObjects: @"a", @"ab", @"abc", @"b", nil]
	    valueForKey: @"length"]) isEqual: [OFSet setWithObjects:
	    [OFNumber numberWithSize: 1], [OFNumber numberWithSize: 2],
	    [OFNumber numberWithSize: 3], nil]] &&
	    [[set1 valueForKey: @"@count"] isEqual:
	    [OFNumber numberWithSize: 3]])

	[pool drain];
}
@end