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

Re: XSLT with DOM or SAX ?


saxon sax
Razvan MIHAIU wrote:

>> Provided that DOM is hugely inefficient for performing XSLT, most XSLT 
>> processors always build their own proprietary optimized tree 
>> representation of an input XML to work with.
>> Given that it's clear that DOM is just a waste of memory here - use 
>> SAX instead.
>>
>    I do not understand. An XSLT processor can require random access to 
> the XML instance. With SAX you would be forced to pass the document 
> multiple times.

Nope, it just builds optimized in-memory XML tree to work with. Just 
take a look at Xalan or Saxon's sources.
This is actually hot spot for various optimizations in XSLT, e.g. see 
http://xml.apache.org/xalan-j/dtm.html.

>    Are you suggesting to use SAX to build an in-memory representation of 
> XML other than DOM ?

Sure. Unless your source XML is already in DOM, what's the point to use 
DOM if XSLT processor's building its own in-memory representation?

-- 
Oleg Tkachenko
http://blog.tkachenko.com
Multiconn Technologies, Israel


PURCHASE STYLUS STUDIO ONLINE TODAY!

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.
Email
First Name
Last Name
Company
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.