linux-kernel - Re: Kernel docs: muddying the waters a bit

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Message-ID: <20160308103003.5747c76e@recife.lan>
Date:	Tue, 8 Mar 2016 10:30:03 -0300
From:	Mauro Carvalho Chehab <mchehab@....samsung.com>
To:	Dan Allen <dan@...ndevise.io>
Cc:	Jani Nikula <jani.nikula@...el.com>,
	Russel Winder <russel@...der.org.uk>,
	Keith Packard <keithp@...thp.com>,
	Jonathan Corbet <corbet@....net>,
	LKML <linux-kernel@...r.kernel.org>, linux-doc@...r.kernel.org,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Hans Verkuil <hverkuil@...all.nl>, linux-media@...r.kernel.org,
	Graham Whaley <graham.whaley@...ux.intel.com>
Subject: Re: Kernel docs: muddying the waters a bit

Em Tue, 08 Mar 2016 05:09:40 -0700
Dan Allen <dan@...ndevise.io> escreveu:

> Jani wrote:
> 
> > there was no support for chunked, or split
> > to chapters, HTML, and the single page result was simply way too big.
> >  
> 
> That's not entirely true. First, you can pre-split at the source level
> using includes and generate output for each of the masters. That's what I
> tend to do and it works really well since these are logical split points.

The problem on pre-splitting the documents and process them in separate
is that this will break cross-references. At the media uAPI Docbook,
we use a lot of cross references.

Btw, we use a lot of includes. Currently, it has 187 separate files.

We even parse the header files looking for typedefs, structs, enums,
#defines and functions, in order to produce a document that will
cross-reference the documentation.

> Second, there is a custom converter in the works to split post-generate
> (which is really what we're talking about when we compare it to the DocBook
> toolchain).
> 
> https://github.com/asciidoctor/asciidoctor-extensions-lab/blob/master/lib/multipage-html5-converter.rb
> 
> It's just a prototype, but proves it is possible by design.

I didn't test it, but I saw some comments at the web that the part
that would handle cross-references between files is not ready.

> Personally, I don't like most chunked HTML approaches because they split
> arbitrarily. We are trying to find the right balance so that the output is
> actually sensible. There's still work to do, but there are options in the
> meantime.

Well, if it is capable of creating one chunk per include file, and do
cross-references between chunks, this would work for media UAPI book.

Yet, it would be good to have the multi-chunk extension packaged
on major distros, as I don't like the idea of installing it without
using my distro's package manager.

-- 
Thanks,
Mauro