[Moin-devel] writing a moin parser

[jacob martinson]

My immediate goal is to make the moin markup simpler, not to replicate
jspwiki syntax per se, just to make it simple enough to migrate from
jspwiki w/o resistance from our userbase.

I got a bit lost when working with the big ugly re, especially when it
came to it referencing the unicode character map.  I'm going to have
to read up a bit on how unicode works in Python.

Also, the standard wiki.py parser does some things with string
substitution I had never seen before (substituting named placeholders
with values from a dictionary, rather than substituting generic
placeholders linearly from a tuple), which kind of confused me at
first, but now that I understand it . . . I see it's a really cool way
to do a large number of substitutions.

I'll dig around some more and hopefully find a way out to freenode
from our network.

Thanks for all the info!!!

-j

On 6/14/05, Thomas Waldmann <tw-public at gmx.de> wrote:
> > are there any docs anywhere on writing a moin parser?  i.e. how a
> > parser fits in with the rest of moin, the interfaces, etc.
> 
> Not really, but there is some example code in MoinMoin/parser/*.py. :)
> 
> And it is not THAT complicated.
> 
> A parser gets the raw page text and must generate calls to the formatter
> to produce output.
> 
> The existing wiki parser does this by parsing the raw page line-per-line
> with that big ugly regular expression and doing formatter calls
> depending on what matched. It keeps some state in variables like in_pre
> or in_table.
> 
> > our users would like to be able to use a simpler wiki markup language
> > like in jspwiki.
> 
> Maybe it is a good idea to make a page on the moinmoin wiki about that
> topic. There might be 2 different scenarios:
> 
> 1) You want to make a jspwiki compatible parser as an additional parser
> for moin (because your users are used to that and you have data in that
> markup). Good luck in that case! :)
> 
> 2) You just want to improve the moinmoin default markup and parser.
> 
> We also want that, but there definitely needs to be some very concrete
> and common plan to make this work. E.g. we want to simplify the link
> markup, which is currently too complicated and too irregular. Same thing
> applies to "include" long-term. We also want to generate xhtml at some
> time, but with that line-by-line parser it won't be possible. We also
> want to use DOM to make include work better. attachments shall be
> unified (in storage as well as in linking / including).
> 
> Maybe get on #moin irc channel on irc.freenode.net to talk about it, if
> you want to help with that.
> 
> 
> 
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