AttributeMap (was Re: Announcement: SAX 1998-01-12 Draft)

James Clark jjc at
Thu Jan 15 12:08:09 GMT 1998

Matthew Gertner wrote:

> >At the very least provide an isEmpty() so that I don't have to do the
> >allocation in the common case there are no attributes.
> I didn't understand this. Why is an AttributeList interface inherently more
> efficient than AttributeMap? The use of an AttributeMap interface doesn't
> imply the creation of an object per start tag, any more than AttributeList
> does. 

Because to iterate over the AttributeMap an Enumeration object has to
get allocated.  AttributeList allows iteration over the attributes
without having to do any allocation.


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