At 1:39 PM -0500 2/8/06, Kevin Windham wrote:
I have some code that reads and writes my preferences to an XML
file. The writing code is pretty straight forward. It just travels
down the chain of classes that make up the data model for my prefs
and asks each class instance to add it's properties to the xml
document.
The reading code however is somewhat inelegant it seems. I am using
an XMLReader to parse the prefs file and it gives events for the xml
entities as it reads them in. So in order to let each class instance
handle it's own stuff, I have the XMLReader instance pass those
events to methods in the various prefs classes that mirror the event
in the XMLReader. Then each pref class has to determine if the
current xml entity belongs to it, or to a class it contains. If it
is a class contained in the current class, then the original event
is passed on to the contained class, and the cycle continues down
the chain. The code works fine, but it seems inelegant to be
duplicating all those event methods in each class. My instinct tells
me that there is a better way to handle this, but I haven't come up
with it yet.
Does anyone have any suggestions?
I use the pbsw XML wrappers.
http://pbsw-code.net/code/realbasic/classes/pbsw-PropertyList/
I like them.
--
Cheers,
Dr Gerard Hammond
MacSOS Solutions
http://www.macsos.com.au
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