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Enumerating RDF::Format

From: Nicholas Humfrey <nicholas.humfrey@bbc.co.uk>
Date: Sun, 13 May 2012 12:33:25 +0100
To: <public-rdf-ruby@w3.org>
Message-ID: <CBD55A95.71CD9%nicholas.humfrey@bbc.co.uk>
Hello,

I have been using RDF.rb gem as part of dbpedialite.org for a couple of
years now. I opened an issue about enumerating the registered list of
RDF::Formats:

https://github.com/bendiken/rdf/issues/16

Time has passed and this still isn't possible, so I thought I would try and
come up with a patch. Specifically, I want iterate through the registered
list of formats and get:

* The format name (eg 'RDF/XML' or 'N-Triples')
* The default (most official) content type (eg 'text/turtle')
* The default file suffix (eg .rdf or .trix)

This is used to generate a <link rel="alternate"> and hyperlinks to other
formats in the HTML page.

Unfortunately the internal data structures currently make this difficult and
there is no name for a format stored (other than deriving it from the class
name). For the time being I have decided to resort to storing it in my own
data structure:
http://github.com/njh/dbpedialite/blob/master/lib/formats.rb


Is this a problem for anybody else?


nick.


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Received on Sunday, 13 May 2012 11:34:02 GMT

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