Re: Cocoa-dev Digest, Vol 9, Issue 751
Re: Cocoa-dev Digest, Vol 9, Issue 751
- Subject: Re: Cocoa-dev Digest, Vol 9, Issue 751
- From: Glen Low <email@hidden>
- Date: Tue, 30 Oct 2012 20:07:00 +0800
All
On 30/10/2012, at 12:44 AM, email@hidden wrote:
> From: Jens Alfke
> Subject: Re: zlib, objective-zip, NSDataCategory
> Date: 30 October 2012 12:44:37 AM AWST
> To: Michael Brian Bentley
> Cc: email@hidden
>
>
>
> On Oct 25, 2012, at 3:01 PM, Michael Brian Bentley <email@hidden> wrote:
>
>> I would like to work with zlib using preset dictionaries, and was searching around for a good place to start working with the library in objective c. I've been looking at Objective-Zip, and at cocoadev.com's NSDataCategory at http://cocoadev.com/wiki/NSDataCategory.
>
>
> I tend to use the GTM (Google Toolkit for Mac) wrapper.
> Another library was just announced here two days ago:
That would be my library. I have some private classes there that might be of help:
ZZDeflateOutputStream -- a NSOutputStream that deflates bytes from a NSFileHandle.
ZZInflateInputStream -- a NSInputStream that inflates bytes from a NSData (typically this would be memory-mapped from your file).
Quite a few Cocoa API's use NSStream's e.g. XML parsing, plist loading.
They are wrappers around the zlib calls.
There's currently no option for presetting dictionaries but you could probably hack it in.
https://github.com/pixelglow/zipzap
Cheers
G.
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