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   Re: XML and LDAP: Common APIs?

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  • From: mark hu <mark@fintrack.com>
  • To: lauren@sqwest.bc.ca, xml-dev@lists.xml.org
  • Date: Thu, 24 Aug 2000 15:05:52 -0400

Yes, I agree - and the stuff I am working on today is bring a collection of
XML objects ( in which every object has the same XML structure ), and the
number of objects could be changed very often, and futher the relation-ship
between these objects are parent and child, and one root level parent could
any number child and again these child could have multi-level sub child ,
and so on ..... all these objects are linked together baed on 2 of the XML
tags ( e.g. nodeIDTag and parentIDTag ) - if it's NULL value means root
level parent, if it's not NULL follows this rule: all the parentIDTag in a
child note would has the value of its nearest parentIDTag value, so all the
objects would eventually construct a OBJECT TREE, and on the browser side -
I'll construct the whole TREE as a TREE VIEW list .... is there any good
idea to do this ????? right now, I am counting the max level of the TREE
level first ( both vertical and horizontal ... ), then go through a loop
based on these 2 params to creat vertical based objects collection ( which
has its nearest parent on the left ), then I have a JavaScript code to
generate client side TREE VIEW which takes these collections to populate all
the nodes value ..... thanks.




"Life Is a Such a B......"

----- Original Message -----
From: Lauren Wood <lauren@sqwest.bc.ca>
To: <xml-dev@lists.xml.org>
Sent: Thursday, August 24, 2000 12:27 PM
Subject: Re: XML and LDAP: Common APIs?

> On 24 Aug 2000, at 13:58, Jeff Turner wrote:
> > Hi,
> >
> > I was just thinking how similar the XML and LDAP data models are. LDAP
> > gives you a tree, where each node can contain data -and- can act as a
> > namespace for other nodes. This corresponds pretty closely to XML (or
> > maybe SML).
> >
> > Has anyone explored the possibility of crossover APIs for accessing all
> > these 'tree-like' data structures in a standardised way? I'd like to be
> > able to traverse an LDAP directory with DOM or SAX.
> I can't see any reason why this shouldn't work; as long as you have
> some sort of tree structure, why not use getParentNode and have it
> return as close to the same thing as possible? Not everything from
> DOM or SAX will be applicable, but it would be good to have those
> methods which do the same thing being called the same as well,
> so the meaning is recognisable.
> On a side note, I've even had people talk to me about using DOM
> methods to walk a text document, where you map the lines into
> the equivalents of elements, with the line breaks being the
> demarcation between them. Then you can apply (some) DOM
> methods to the resulting tree. I'm still not sure why anyone would
> *want* to do this, but it's possible.
> Lauren


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