Re: Efficient XML loading [continuation of NSString from mapped NSData thread]
Re: Efficient XML loading [continuation of NSString from mapped NSData thread]
- Subject: Re: Efficient XML loading [continuation of NSString from mapped NSData thread]
- From: "Louis Gerbarg" <email@hidden>
- Date: Wed, 14 May 2008 14:13:55 -0400
NSXMLParser needs to load everything into ram first, then it starts
generating its stream of events. I recommend filing a bug asking for
it to be enhanced to support incrementally available data. It will
definitely be a dupe (I've filed it, among others I am sure)., but the
more people who ask for it, the more likely it will get engineering
resources.
For situations where you have slow connections, high latency, large
documents, and/or limited ram being able to work with the file as a
stream is definitely a competitive advantage. While I (and a lot of
other people, I am certain) have written libxml2 interfaces to achieve
that, I would much rather just use NSXMLParser in the future.
Louis
On Wed, May 14, 2008 at 11:04 AM, Jens Alfke <email@hidden> wrote:
> I am nearly always cheerfully willing to give out source code, but in this
> case I kind of see this as a competitive advantage for a product I might
> release in the future, so I'm going to keep the code to myself. It isn't
> brain surgery, or even rocket science, but it took some work; libxml2 is a
> lot lower-level than the plist API. (I didn't try using NSXMLParser, which
> is an Obj-C wrapper around libxml2; that might get you comparable
> performance with less pain.)
>
> —Jens
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