Thanks Mark,
Best,
Pierre
Le 31 juil. 04, à 05:48, Mark Brownell a écrit :
On Friday, July 30, 2004, at 05:59 PM, Troy Rollins wrote:
For those of us who aren't familiar with the term "pull-parser", I'll ask some indulgence. Like most of us, I parse a lot of string content, and I'm familiar with a number of models for parsing XML content, for instance. But, what specifically is a pull-parser and how does #1926 make it possible / better?
--
Troy
OK school time.
from here: http://otn.oracle.com/tech/xml/xdk/staxpreview.html
"Oracle StAX Pull Parser Preview
A new XML document parsing technology is being developed as part of the Java Community Process to supplement DOM and SAX. Called Streaming API for XML or StAX, this technology is being developed under JSR-173 and is in its final draft stage. StAX parsing has significant advantages over DOM and SAX which are discussed in the Sep/Oct. issue of Oracle Magazine in the article - Parsing XML Efficiently.
StAX gives parsing control to you through either a simple iterator-based API and an underlying stream of events or a cursor style object API. Methods such as next() and hasNext() allow you to pull the event by asking for next one rather than handling it in a callback. This gives you precise control over XML document processing. As distinct from other event-based approaches StAX allows you to stop processing the document, skip ahead to sections of the document, or get subsections of the document."
More on pull-parsers at here: http://www.xmlpull.org/
So...
These new split functions would allow us to set our own rules for next(), nextTag(), and nextText() while streaming fragments out of of full XML documents. This is because we would have high speed functions to pull data out of large documents and the need for not relying on the streaming method would leave those current pull-parser implementations further behind.
MTML breaks the rules in a way that XML was never meant to. MTML element type tag sets can begin within an other tag set and end outside these other tag sets. This would break most XML parsers and even some of the new streaming designs that are designed as implementations of pull-parsing. All this adds up to the designer of the data structure being able to run modified and simple data transfers. "This is a good thing" Martha Stewart. It's better to dust off your competitors if you can offer the option. Development time within RunRev including this kind of data structuring can be a winning combination for you when it comes to offering services.
HTH,
Mark
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