Hello,
I just finished writing my GSoC proposal and I want to
have some feedback from the community. I'll try to be brief (this is
not the proposal).
The
project is about creating a new documentation tool for Haskell
projects, like Sphinx[1] for Python or Scribble[2] for Scheme. We have
Haddock, which is a great tool. It can take the sources of a project
and generate a useful API reference. But the reference is just a
fragment of the whole project documentation. So, Haddock can only do a
part of what Sphinx can do. But we have another tool, Pandoc, that
takes files of whatever markup language and transform it to another
format. And this is the more general-purposed part of Sphinx that is
missing in Haddock. So we have the tools for creating documentation as
useful as other systems, we just need the glue and several improvements.
To
achieve this project, first I'll have to use Haddock as an API.
Currently, the Haddock API is rudimentary and highly experimental, so I
would have to extend and test it. Then I would have to write a Haddock
backend which would generate the reference in an internal independent pandoc format [3].
Finally I would have to write a new command-line program that would
manage the projects or I would have to add Pandoc support in Haddock
command-line program or Haddock support in Pandoc. IMHO, I think that
will be better a new command-line program, everyone with its own
purpose.
I created an example of what would be a library documented with this system [4]. The file contains a configuration file a la cabal, a reST file (It could be markdown) and the html output. I tried to represent that the html output for the reference have to be almost the same that generates Haddock (css may differ). Note that all the entries of the Haddock reference are first-citizens entities in the documentation, so you can refer to the entries, render one entry, all or by groups (there are examples in the reST file).
I am looking forward your impressions and suggestions.
Thanks to Simon Marlow, David Waern and Conal Elliott for their suggestions and help. Thanks you all.
[1] http://sphinx.pocoo.org/
[2] http://docs.plt-scheme.org/scribble/
[3] http://hackage.haskell.org/packages/archive/pandoc/1.5.1.1/doc/html/Text-Pandoc-Definition.html#t%3APandoc
[4] http://bitbucket.org/viator/doc-example/get/tip.zip