RE: Using XML SAX and DOM parsers for RPG

["Haas, Matt" <Matt.Haas@xxxxxxxxxxxxxxxxxxx>]

Ray,

Have you checked out the AlphaWorks site 
(http://www.alphaworks.ibm.com/tech/xml4rpg)? There are examples included with 
it. Note that the example that loads XML data into the database is very poorly 
written. IBM wrote a white paper on it (there's a link in the documentation to 
it) that you should read to see what is going on. Once you remove the stupidity 
from the code, it's not to bad. Besides the generally stupid coding, two of the 
four variables that are alloc'd are never dealloc'd so if you call the sample 
in a loop, it will eventually blow up. You can either add the dealloc for them 
or define them in the D specs and remove the alloc and dealloc lines.

Also, this has since become a separate product starting with V5R1. Right no, 
it's equivalent to what you get from AlphaWorks so you may want to check out 
the InfoCenter for samples and documentation as well.

As far as learning about XML itself, there is a very good tutorial at 
http://www.w3schools.com/xml/. Go through the XML tutorial and then the DTD 
tutorial (it builds on the XML tutorial).

You will likely be using the IFS quite a bit for this. If you use the parser 
for reading and writing XML files, you don't have to worry about to many 
details of it. The parser does the file IO for you.

Matt

-----Original Message-----
From: Ray Nainy [mailto:ray_456@hotmail.com]
Sent: Monday, September 23, 2002 9:12 PM
To: rpg400-l@midrange.com
Subject: Using XML SAX and DOM parsers for RPG


Hello Everyone,

I need some help in how to use SAX/DOM parsers for RPG to create, read and
update XML files using RPG. What are Document Type Definition(DTD)
standards?
Do I need to use IFS for this?
Is there any documentation/website available on this subject?

Thanks for all your help.

:)




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