busting-out XML sections

[Eric Richardson]

Thomas Gagne wrote:
> 
> I have a file that looks like:
> 
> <batch>
> <order>
> <order_head/> (only one of these)
> <order_detail/> (multiples of these)
> </order>
> <order>....
> 
> </batch>
> 
> What I need is a good approach to take each <order></order> section and send
> the entire contents within it to a separate process.  I'm not worried about
> how to send it, I'm trying to figure out the best way to grab the text between
> the <order> tags.

You could use DOM and then just get a NodeList for order and then
iterate thru the node list passing the Node(s) to the sub-process. The
subprocess could grab any attributes or content and just do whatever it
does.

Hope this helps,
Eric :-)

> 
> If I use sax, I'd have to write methods for everthing that might appear
> between the tags and accumulate the text (remember, I don't want to change
> anything) into an instance variable.
> 
> I thought of using nawk or grep or python but then my scripting language would
> have to know how to parse XML to make sure it correctly detects the tags it's
> looking for.  That would be too much effort.
> 
> Niether solution sounds appealing.  It amounts to a lot of code for what's
> really a simple problem.  Maybe there's something in the SAX stuff that would
> allow me to grab everything between (and including) the <order> tags.
> 
> --
> .tom


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