Re: Processing XSD Files

From: Craig (myspam_at_myaccount.com)
Date: 10/29/03 

Date: Wed, 29 Oct 2003 10:40:26 -0000

Hi Maarten!

Thank you very much for all your help. You've cleared a few things up, and
with this info that you've helped me with, I think I can now confidently
call my boss, and tell HER, that she's on her own! hehe...

Maatern, I created a mail account. Drop me a line sometime.

news-5@myschoolmates.com

It's one of my many spammer account, but if you're lucky, I'll reply with
one of my real accounts.

Thanks again for your help!

Craig

"Maarten Wiltink" <maarten@kittensandcats.net> wrote in message
news:3f9ef4fe$0$58712$e4fe514c@news.xs4all.nl...
> "Craig" <myspam@myaccount.com> wrote in message
> news:3f9d1e47$0$12709$fa0fcedb@lovejoy.zen.co.uk...
>
> > Most of this has shot right over my head. I can tell you though that
> > there was reference to xmlspy inside the files.
>
> They were edited using xmlspy. It's a well-known XML editor with
> support for guided editing, constrained by Schemas. Of course, in
> good style, Schemas are XML documents themselves and there is a
> Schema that describes their allowed structure, so you can easily
> edit Schemas with xmlspy, too.
>
> Meaning, this in itself means little.
>
>
> > I downloaded a trial
> > version of that, and it does seem to open up some type of structure.
> > However, I have no clue what I am looking at. It looks like a very
> > very lengthy database layout, with alot of other things linked to it.
>
> It is, pretty much. The base is EML, the Election Markup Language,
> which was designed as a vocabulary for keeping data about voters and
> elections and ballots and stuff. The 310 and 330 documents describe
> some specific XML structures (element types, "tags" to the uninitiated)
> probably meant to be useful in specific applications in this field.
>
>
> > At the moment, I haven't been asked/told to actually process them
> > (somehow). The initial question my 'boss' put to me, was... to find
> > out how we're going to read these files in Delphi.
>
> You instantiate an XML parser from somewhere, feeding it these Schemas
> for initialisation, so it becomes a parser for EML in general and those
> 310/330 extensions in particular. You then feed the parser actual source
> documents and it gives you a DOM tree, which is a collection of linked
> objects describing the XML document. This tree can be traversed and
> nodes serialised (marshalled; converted to text) into records that can
> be stored in a database.
>
> Things are likely to involve different languages at different stages.
> Expect C++ and Java. Expect ActiveX, COM, DLLs. Things I know little
> or nothing about, too (but other people do, lots).
>
> There are network databases and object databases and XML databases that
> are going to be less painful to use than straight relational databases.
> XML elements may contain lists of other elements; when both element
> types must map onto tables, records representing inner elements may need
> to point to records representing outer elements.
>
> Google for Election Markup Language and read a few things on the XML
> Coverpages and the W3C's website. One of the things I found was a quite
> marvelous article on the relationship between XML, XSL, RDF, SVG, and
> a few other things, with a beautifully awkward and awkwardly beautiful
> diagram both drawing and drawn by the very things it depicts - although
> it may mean little if the entire topic is new to you.
>
> Groetjes,
> Maarten Wiltink
>
>

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