[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message]

Re: Re: If XML is too hard for a programmer, perhaps he 'd be

xml guard
> Bill de hÃ?ra Wrote:
> >And I don't understand this disdain for regular expressions over 
> >XML. Regexes are a perfectly useful tool for manipulating text.
> Certainly "If all you have is a hammer everything looks like a nail."
> applies here. (No distain, I own more than one hammer)
> Yes, XML can be serialized into a string.  That feature makes it portable. 
> But to manipulate it as a string makes it impossible to take advantage of
> properties the XML had to begin with.
> There are two worlds. The world of the "value space" and that of the
> "lexical space".  If you use a lexical space tool you run the risk of making
> a new lexical representation for which there is NO value space equivalent.
> In other words, could you make an error with a regEx tool and end up with
> invalid XML?  Yes easily, and probably often.
> If you use tools that manipulate in the "value space", then obtain the
> lexical representation that risk goes away.

Bingo.  Thus my 'impedance mismatch" and "error prone" comments.  Believe me, 
in my travels I've seen a lot of ersatz XML processing.  I've always been able 
to convince clients to chuck it, usuallya fter I demonstrate that there are 
ways to process XML just as easily as they think their hacks allow.  So my 
incredulous reaction was not because I haven't heard this claim of "regex 
first", but because it seems amazing to me that this would come from Tim.


Purchasing Stylus Studio from our online shop is Easy, Secure and Value Priced!

Buy Stylus Studio Now

Download The World's Best XML IDE!

Accelerate XML development with our award-winning XML IDE - Download a free trial today!

Don't miss another message! Subscribe to this list today.
First Name
Last Name
Subscribe in XML format
RSS 2.0
Atom 0.3

Stylus Studio has published XML-DEV in RSS and ATOM formats, enabling users to easily subcribe to the list from their preferred news reader application.

Stylus Studio Sponsored Links are added links designed to provide related and additional information to the visitors of this website. they were not included by the author in the initial post. To view the content without the Sponsor Links please click here.

Site Map | Privacy Policy | Terms of Use | Trademarks
Free Stylus Studio XML Training:
W3C Member
Stylus Studio® and DataDirect XQuery ™are products from DataDirect Technologies, is a registered trademark of Progress Software Corporation, in the U.S. and other countries. © 2004-2013 All Rights Reserved.