Re: NSXMLParser useless with HUGE files
Re: NSXMLParser useless with HUGE files
- Subject: Re: NSXMLParser useless with HUGE files
- From: Conrad Taylor <email@hidden>
- Date: Thu, 15 Dec 2005 20:05:45 -0800
Hi, have you tried using Xerces at apache.org? I have used this many times
with relatively huge XML files.
Good luck,
-Conrad
On 12/15/05, Ian was here <email@hidden> wrote:
>
>
I have that same problem and I upped the memory
>
requirements for my software.
>
>
>
>
--- Todd Blanchard <email@hidden> wrote:
>
>
> You could try a different parser:
>
>
>
> http://homepage.mac.com/tblanchard/ObjectiveExpat
>
>
>
>
>
> On Dec 14, 2005, at 7:26 AM, Matt Gough wrote:
>
>
>
> > I have a 1.91GB (2,048,406,952 bytes to be
>
> precise) xml file that I
>
> > am trying to parse. I thought that NSXMLParser
>
> would be able to
>
> > cope with it, but it can't as it fails with
>
> > NSXMLParserOutOfMemoryError.
>
> >
>
> >
>
> > E.g
>
> >
>
> > NSXMLParser* parser = [[NSXMLParser alloc]
>
> initWithContentsOfURL:
>
> > [NSURL fileURLWithPath:path]];
>
> >
>
> > [parser setDelegate:self];
>
> > [parser parse];
>
> > [parser release];
>
> >
>
> >
>
> > It seems that during initWithContentsOfURL it
>
> tries to read in the
>
> > entire file! Why can't it just be streamed in as
>
> needed during
>
> > [parser parse]?
>
> >
>
> > So then I thought that maybe I could do:
>
> >
>
> > NSData* mappedData = [NSData
>
> dataWithContentsOfMappedFile:path];
>
> > NSXMLParser* parser = [[NSXMLParser alloc]
>
> initWithData:mappedData];
>
> >
>
> > But it still runs out of memory.
>
> >
>
> > Would CFXMLParser be any better, or would it
>
> suffer the same problem?
>
> >
>
> >
>
> >
>
> > BTW - Can anyone suggest a text editor that is
>
> able to work with
>
> > such a file so that I can chop it down into more
>
> manageable
>
> > portions that I can parse individually and then
>
> merge the results?
>
> >
>
> > Matt Gough
>
> > Softchaos Limited
>
> > _______________________________________________
>
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