Customized DokuWiki's Interwiki links

Customized DokuWiki's Interwiki links

[Denis Bitouzé]

Hi,

DokuWiki's defines default Interwiki links, e.g.:

    `[[wp>InterWiki]]`

that will result in a DokuWiki site into a link with:

-   text: "InterWiki"
- target: https://en.wikipedia.org/wiki/InterWiki

Fortunately, pandoc is aware of them:

  ┌────
  │ https://hackage.haskell.org/package/pandoc-2.11.2/docs/src/Text.Pandoc.Readers.DokuWiki.html#splitInterwiki
  └────

But DokuWiki lets the user define his own Interwiki links e.g., with the
following in some config file:

    `faquk     https://texfaq.org/{URL}`

the code :

    `[[faquk>FAQ-mathml|Math on the Web]]`

will result in a DokuWiki site into a link with:

-   text: "Math on the Web"
- target: https://texfaq.org/FAQ-mathml

Currently, such a customized link is considered by pandoc as a not
Interwiki link and would result into a link with:

-   text: "Math on the Web"
- target: https://www.google.com/search?q=a4&btnI=lucky

I guess extending the handling of such DokuWiki's Interwiki links
shouldn't be made at a Haskell level but as a (Lua) filter.

Do you see an easy way to achieve this (Lua filters are still a pain for
me)?

Thanks!
-- 
Denis

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Re: Customized DokuWiki's Interwiki links

[John MacFarlane]

>    `[[faquk>FAQ-mathml|Math on the Web]]`

Yes, we have no way in pandoc to parse the asciidoc
config file.  I suppose we could parse it as a link
with destination "FAQ-mathml", text "Math on the Web",
and a special attribute `interwiki="faquk"`.
A lua filter could then check this attribute.

But I'm not sure that gives you any more real
power than the current system; you can use a
filter to check the link for a faquk> prefix
and modify it accordingly.

Re: Customized DokuWiki's Interwiki links

[Denis Bitouzé]

Le 03/12/20 à 11h37, John MacFarlane a écrit :

>>    `[[faquk>FAQ-mathml|Math on the Web]]`
>
> Yes, we have no way in pandoc to parse the asciidoc
> config file.  I suppose we could parse it as a link
> with destination "FAQ-mathml", text "Math on the Web",
> and a special attribute `interwiki="faquk"`.
> A lua filter could then check this attribute.
>
> But I'm not sure that gives you any more real
> power than the current system; you can use a
> filter to check the link for a faquk> prefix
> and modify it accordingly.

Unfortunately, the prefix is lost while processing `pandoc`:

--8<---------------cut here---------------start------------->8---
$ echo -e "[[faquk>FAQ-mathml|Math on the Web]]" | pandoc -f dokuwiki -t native
--8<---------------cut here---------------end--------------->8---

returns:

  ┌────
  │ [Para [Link ("",[],[]) [Str "Math",Space,Str "on",Space,Str "the",Space,Str "Web"] ("https://www.google.com/search?q=FAQ-mathml&btnI=lucky","")]]
  └────

where `faquk` is missing.
-- 
Denis

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Re: Customized DokuWiki's Interwiki links

[John MacFarlane]

Denis Bitouzé <denis.bitouze-PToOLB6qFnLddoiwg0DPyg@public.gmane.org> writes:

> Le 03/12/20 à 11h37, John MacFarlane a écrit :
>
>>>    `[[faquk>FAQ-mathml|Math on the Web]]`
>>
>> Yes, we have no way in pandoc to parse the asciidoc
>> config file.  I suppose we could parse it as a link
>> with destination "FAQ-mathml", text "Math on the Web",
>> and a special attribute `interwiki="faquk"`.
>> A lua filter could then check this attribute.
>>
>> But I'm not sure that gives you any more real
>> power than the current system; you can use a
>> filter to check the link for a faquk> prefix
>> and modify it accordingly.
>
> Unfortunately, the prefix is lost while processing `pandoc`:

Ah, I see. Well, then a code change would be needed for this.

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Re: Customized DokuWiki's Interwiki links

[Denis Bitouzé]

Le 04/12/20 à 14h51, John MacFarlane a écrit :

>> Unfortunately, the prefix is lost while processing `pandoc`:
>
> Ah, I see. Well, then a code change would be needed for this.

OK.

I don't want to put extra pressure on anybody :) but do you plan to do
this change and, if so, at what time scale?

Of course, I would understand an answer such as: "Releases come when
they come!". But I'm asking because I'm a bit in a hurry so, in such
a case, I would preprocess the DokuWiki files, e.g. replacing (with
e.g. `sed`) strings such as:

  ┌────
  │ [[faquk>FAQ-mathml|Math on the Web]]
  └────

by:

  ┌────
  │ [faquk>FAQ-mathml|Math on the Web]
  └────

in order Pandoc doesn't consider them as links but just as strings and
use a Lua filter in order Pandoc export them as required by
reStructuredText.
-- 
Denis

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Re: Customized DokuWiki's Interwiki links

[Denis Bitouzé]

Le 05/12/20 à 11h36, Denis Bitouzé a écrit :

> Le 04/12/20 à 14h51, John MacFarlane a écrit :
>
>>> Unfortunately, the prefix is lost while processing `pandoc`:
>>
>> Ah, I see. Well, then a code change would be needed for this.
>
> OK.
>
> I don't want to put extra pressure on anybody :) but do you plan to do
> this change and, if so, at what time scale?
>
> Of course, I would understand an answer such as: "Releases come when
> they come!". But I'm asking because I'm a bit in a hurry so, in such
> a case, I would preprocess the DokuWiki files, e.g. replacing (with
> e.g. `sed`) strings such as:
>
>   ┌────
>   │ [[faquk>FAQ-mathml|Math on the Web]]
>   └────
>
> by:
>
>   ┌────
>   │ [faquk>FAQ-mathml|Math on the Web]
>   └────
>
> in order Pandoc doesn't consider them as links but just as strings and
> use a Lua filter in order Pandoc export them as required by
> reStructuredText.

Well, not that easy: suppose I replace `[[` and `]]`, not by `[` and `]`
(stupid idea: would be confusing), but by something really special,
say `µµ` and `§§`.

In such a case, it's easy with a Lua to replace something like:

  ┌────
  │ µµprefix>urlComplement|text§§
  └────

into:

  ┌────
  │ :prefix:`text <urlComplement>`
  └────

or, depending on the case:

  ┌────
  │ :prefix:`urlComplement`
  └────

Here is a test case:

--8<---------------cut here---------------start------------->8---
function shortLink (link)
   local prefix
   local urlComplement
   local text
   local sLink
   if string.match(link, "|") then
      prefix, urlComplement, text = string.match(link, "(%a+)>(%g+)|(.+)§§")
   else
      prefix, urlComplement    = string.match(link, "(%a+)>(%g+)§§")
   end
   if text and urlComplement ~= text then
      sLink = ":" .. prefix .. ":`" .. text .. " <" .. urlComplement .. ">`"
   else
      sLink = ":" .. prefix .. ":`" .. urlComplement .. "`"
   end
   -- return sLink
   print(sLink)
end

link = "µµfaquk>FAQ-mathml|Math on the Web§§"
shortLink (link)

link = "µµctanpkg>html|html§§"
shortLink (link)

link = "µµctanpkg>rtf2tex§§"
shortLink (link)
--8<---------------cut here---------------end--------------->8---

Unfortunately ;), Pandoc preprocess such strings into:

  ┌────
  │ [Para [Str "\181\181faquk>FAQ-mathml|Math",Space,Str "on",Space,Str "the",Space,Str "Web\167\167"]
  │ ,Para [Str "\181\181ctanpkg>html|html\167\167"]
  │ ,Para [Str "\181\181ctanpkg>rtf2tex\167\167"]]
  └────

Much less handy :$
--
Denis

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