ObjFW  Diff

#import "OFList.h"
#import "OFString.h"
#import "OFXMLElement.h"
#import "OFAutoreleasePool.h"

#import "OFEnumerationMutationException.h"
#import "OFInvalidArgumentException.h"

#import "macros.h"

@implementation OFList
+ list
{
	return [[[self alloc] init] autorelease];
}

- init
- initWithSerialization: (OFXMLElement*)element
{
	self = [super init];
	self = [self init];

	@try {
		OFAutoreleasePool *pool, *pool2;
		OFEnumerator *enumerator;
		OFXMLElement *child;
	firstListObject = NULL;
	lastListObject = NULL;

		pool = [[OFAutoreleasePool alloc] init];

		if (![[element name] isEqual: @"object"] ||
		    ![[element namespace] isEqual: OF_SERIALIZATION_NS] ||
		    ![[[element attributeForName: @"class"] stringValue]
		    isEqual: [isa className]])
			@throw [OFInvalidArgumentException newWithClass: isa
							       selector: _cmd];

		enumerator = [[element
		    elementsForName: @"object"
			  namespace: OF_SERIALIZATION_NS] objectEnumerator];
		pool2 = [[OFAutoreleasePool alloc] init];
		while ((child = [enumerator nextObject]) != nil) {
			id object = [OFSerialization
			    objectByDeserializingXMLElement: child];

			[self appendObject: object];

			[pool2 releaseObjects];
		}

		[pool release];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	of_list_object_t *iter;

	[listObject->object release];

	[self freeMemory: listObject];
}

- (id)firstObject
{
	if (firstListObject != NULL)
	return (firstListObject != NULL ? firstListObject->object : nil);
		return firstListObject->object;

	return nil;
}

- (id)lastObject
{
	if (lastListObject != NULL)
	return (lastListObject != NULL ? lastListObject->object : nil);
		return lastListObject->object;

	return nil;
}

- (size_t)count
{
	return count;
}