Re: ZIP archive API?

The big question we kept running up against at Mozilla is "why couldn't
this simply be implemented as a JS library?"

If performance is the argument we need to back that up with data.

/ Jonas
On May 3, 2013 10:51 AM, "Paul Bakaus" <pbakaus@zynga.com> wrote:

>  Hi Anne, Florian,
>
>  I think the first baby step, or MVP, is the unpacking that Florian
> mentions below. I would definitely like to have the API available on both
> workers and normal context.
>
>  Thanks,
> Paul
>
>   From: Florian Bösch <pyalot@gmail.com>
> Date: Fri, 3 May 2013 14:52:36 +0200
> To: Anne van Kesteren <annevk@annevk.nl>
> Cc: Paul Bakaus <pbakaus@zynga.com>, Charles McCathie Nevile <
> chaals@yandex-team.ru>, public-webapps WG <public-webapps@w3.org>, Andrea
> Marchesini <amarchesini@mozilla.com>
> Subject: Re: ZIP archive API?
>
>  I'm interested a JS API that does the following:
>
>  Unpacking:
> - Receive an archive from a Dataurl, Blob, URL object, File (as in
> filesystem API) or Arraybuffer
> - List its content and metadata
> - Unpack members to Dataurl, Blob, URL object, File or Arraybuffer
>
>  Packing:
> - Create an archive
> - Put in members passing a Dataurl, Blob, URL object, File or Arraybuffer
> - Serialize archive to Dataurl, Blob, URL object, File or Arraybuffer
>
>  To avoid the whole worker/proxy thing and to allow authors to
> selectively choose how they want to handle the data, I'd like to see
> synchronous and asynchronous versions of each. I'd make synchronicity an
> argument/flag or something to avoid API clutter like packSync, packAsync,
> writeSync, writeAsync, and rather like write(data, callback|boolean).
>
>  - Pythons zipfile API is ok, except the getinfo/setinfo stuff is a bit
> over the top: http://docs.python.org/3/library/zipfile.html
> - Pythons tarfile API is less clutered and easier to use:
> http://docs.python.org/3/library/tarfile.html
> - zip.js isn't really usable as it doesn't support the full range of types
> (Dataurl, Blob, URL object, File or Arraybuffer) and for asynchronous
> operation needs to rely on a worker, which is bothersome to setup:
> http://stuk.github.io/jszip/
>
>  My own implementation of the tar format only targets array buffers and
> works synchronously, as in.
>
>  var archive = new TarFile(arraybuffer);
> var memberArrayBuffer = archive.get('filename');
>
>
>
> On Fri, May 3, 2013 at 2:37 PM, Anne van Kesteren <annevk@annevk.nl>wrote:
>
>> On Thu, May 2, 2013 at 1:15 AM, Paul Bakaus <pbakaus@zynga.com> wrote:
>> > Still waiting for it as well. I think it'd be very useful to transfer
>> sets
>> > of assets etc.
>>
>>  Do you have anything in particular you'd like to see happen first?
>> It's pretty clear we should expose more here, but as with all things
>> we should do it in baby steps.
>>
>>
>> --
>> http://annevankesteren.nl/
>>
>
>