[MacRuby-devel] mechanize and macgems
Eloy Duran
eloy.de.enige at gmail.com
Mon Dec 28 03:26:37 PST 2009
Hi,
Work on a FFI interface for Nokogiri has already been started by the
author, you can find it here: http://github.com/tenderlove/nokogiri/tree/macruby
I have no idea on how good or not it works, though.
Eloy
On 27 dec 2009, at 09:34, Conrad Taylor wrote:
> Jarred, after further analysis in regards to installing an earlier
> version of the Mechanize gem (i.e. 0.8.5), it has a couple of
> runtime dependencies:
>
> hpricot >= 0.5.0, Note: This gem contains C Ruby native extensions.
>
> hoe >= 1.8.2, Note: This gem contains pure Ruby code.
>
> Thus, you'll still have issues installing earlier version of
> Mechanize gem like version 0.8.5 because it depends on a gem which
> has C Ruby native
> extensions. I have been reading many threads on moving away from
> using C Ruby extensions to using FFI which allows any client that
> supports FFI to
> easily connect to native librarie(s). The benefit would be to allow
> one to do the following:
>
> For example, using Nokogiri as an example:
>
> a) build a Nokogiri interface and push the sources to github.com
> b) push the Nokogiri library sources to
> 1) to MacPorts, Linux distros, and so
> 2) to github.com
>
> BTW, this is very similar to what we need to do today to interact
> with MySQL, PostgreSQL, and SQLite3 relational databases from Ruby.
> However, Ruby FFI makes this process much easier. Lastly, you can
> read more about FFI here:
>
> http://mwrc2009.confreaks.com/13-mar-2009-16-10-ffi-jeremy-hinegardner.html
> http://wiki.github.com/ffi/ffi
> http://www.igvita.com/2009/01/15/bridging-mri-jruby-rubinius-with-ffi/
> http://blog.headius.com/2008/10/ffi-for-ruby-now-available.html
> http://www.rubyinside.com/ruby-ffi-library-calling-external-libraries-now-easier-1293.html
>
> Good luck,
>
> -Conrad
>
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> MacRuby-devel at lists.macosforge.org
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