ObjFW  Diff

					   length: len];
	} @finally {
		[self freeMemory: str_c];
	}
	return ret;
}

- addAttribute: (OFXMLAttribute*)attr
- (void)addAttribute: (OFXMLAttribute*)attr
{
	if (attrs == nil)
		attrs = [[OFMutableArray alloc] init];

	/* FIXME: Prevent having it twice! */

	[attrs addObject: attr];

}
	return self;
}


- addAttributeWithName: (OFString*)name_
	   stringValue: (OFString*)value
- (void)addAttributeWithName: (OFString*)name_
		 stringValue: (OFString*)value
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	[self addAttribute: [OFXMLAttribute attributeWithName: name_
						       prefix: nil
						    namespace: nil
						  stringValue: value]];
	[pool release];

	return self;
}

/* TODO: Replace attribute */
/* TODO: Remove attribute */

- addChild: (OFXMLElement*)child
- (void)addChild: (OFXMLElement*)child
{
	if (stringval != nil)
		@throw [OFInvalidArgumentException newWithClass: isa
						       selector: _cmd];

	if (children == nil)
		children = [[OFMutableArray alloc] init];

	[children addObject: child];

	return self;
}

- (void)dealloc
{
	[name release];
	[attrs release];
	[stringval release];
	[children release];

	[super dealloc];
}
@end

@implementation OFString (OFXMLEscaping)
- stringByXMLEscaping
- (OFString*)stringByXMLEscaping
{
	char *str_c, *append, *tmp;
	size_t len, append_len;
	size_t i, j;
	OFString *ret;

	j = 0;