From: Eric Will <rakaur@...>
Date: 2008-09-28T07:10:31+09:00
Subject: Re: parsing xml (xmpp) with ruby

On Sat, Sep 27, 2008 at 5:39 PM, Robert Klemme
<shortcutter@googlemail.com> wrote:

> Well, this is not true.  You can have multiple classes cooperating in doing
> XML stream parsing.  You need one instance for receiving the events but that
> can delegate to any number of other instances.  A scheme I usually use is to
> have a class per element type and the front end instance keeps a stack of
> those.

This is how I'd implement it. I just don't wanna.

> Typically XML is parsed to instantiate classes of a particular object model
> that is built do implement the business logic (in your case message
> exchange).  It is a waste of resources to create an XML DOM and then
> traverse it in order to transform it into other objects.  Also, not all
> input data is needed in every case.  That's why stream parsing has serious
> advantages over DOM parsing.

The thing is, I'm only parsing out like 5-10 objects at a time. It's
nothing huge
to transverse, but I'm thinking it'll be a hard performance hit to keep on like
that when I try to scale.

>        robert

-- rakaur