Re: Translating style sheets in reader on HTML input

[Frank Bergmann <pandoc-eSlkCAlw8VwAvxtiuMwx3w@public.gmane.org>]

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Hi William,
awesome, thank you!
Frank

On 25.06.22 13:23, William Lupton wrote:
> Yes, lua filters operate on the AST (abstract syntax tree).
>
> I think that some pre-processing will be necessary because (AFAIK) the 
> Para (p) element doesn't retain attributes in the AST.
>
> Here's an example using HTML derived from yours (the p element is 
> wrapped in a div). Note: I think perhaps the lua div logic could be 
> simpler, but this seems to work.
>
> % cat kursiv.html
> <span class="Kursiv">span-text-with-class</span>
> <div class="Normal_fett"><p>para-text-class-from-div</p></div>
>
> % pandoc kursiv.html -L kursiv.lua
> <em><span>span-text-with-class</span></em>
> <div>
> <p><strong>para-text-class-from-div</strong></p>
> </div>
>
> % cat kursiv.lua
> function Span(span)
>     local class, index = span.attr.classes:find('Kursiv')
>     if class then
>         span.attr.classes:remove(index)
>         return pandoc.Emph({span})
>     end
> end
>
> function Div(div)
>     local class, index = div.attr.classes:find('Normal_fett')
>     if class then
>         div.attr.classes:remove(index)
>         div.content = div.content:map(
>             function(elem)
>                 elem.content = {pandoc.Strong(elem.content)}
>                 return elem
>             end
>         )
>         return div
>     end
> end
>
> On Sat, 25 Jun 2022 at 10:34, Frank Bergmann <pandoc-eSlkCAlw8VwAvxtiuMwx3w@public.gmane.org> wrote:
>
>     Hi,
>
>     this time I have some questions.
>
>     As far as I understood the lua scripting it is not working on actual
>     input but just on already translated native format.
>     What I need is to do some "translations" on raw HTML input.
>     (BTW - actual output here is asciidoc.)
>
>     My issue is that the "HTML" input has a lot of styles like these:
>
>     <span class="Kursiv">
>     <span class="FettUnterstrichen">
>     <p class="Normal_fett">
>     <p class="rml10_101__Normal_fett">
>     <p class="rml10_112__Normal_fett">
>     <p class="rml10_114__Normal_fett">
>     <p class="rml10_11__Normal_fett">
>     <p class="rml10_122__Normal_fett">
>     <p class="rml10_124__Normal_fett">
>     <p class="rml10_133__Normal_fett">
>     <p class="rml10_136__Normal_fett">
>     <p class="rml10_138__Normal_fett">
>     <p class="rml10_177__Normal_fett">
>     <span class="Fett">
>     <span class="FettUnterstrichen">
>
>     (Note: kursiv=italic/emphasized, fett=bold, unterstrichen=underline)
>
>     Is there a way in pandoc to "translate" styles like e.g. the ones
>     with
>     "fett" to e.g. a simple HTML tag "<b>" before internally doing the
>     actual translation to native and then to output format?
>     Can a lua script be used for this?
>     Or do I need to write a translator of my own and run it BEFORE
>     using pandoc?
>
>     (Note: The "HTML" input is coming from Adobe RoboHelp.)
>
>     kind regards,
>     Frank
>
>     -- 
>     Frank Bergmann, Pödinghauser Str. 5, D-32051 Herford, Tel.
>     +49-5221-9249753
>     SAP Hybris & Linux LPIC-3, E-Mail tx2014-VEyjnN4Vo9k@public.gmane.org, USt-IdNr
>     DE237314606
>     http://tdyn.de/freel  -- Redirect to profile at freelancermap
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>
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-- 
Frank Bergmann, Pödinghauser Str. 5, D-32051 Herford, Tel. +49-5221-9249753
SAP Hybris & Linux LPIC-3, E-Mailtx2014-VEyjnN4Vo9k@public.gmane.org, USt-IdNr DE237314606
http://tdyn.de/freel   -- Redirect to profile at freelancermap
http://www.gulp.de/freiberufler/2HNKY2YHW.html   -- Profile at GULP

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