Re: Changing LaTeX output for citations inside footnotes

[Lyndon Drake <isenguard-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

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My command line is:

pandoc -dbookends-latex --template 
/Users/lyndon/.local/share/pandoc/templates/book.latex 
--lua-filter=/Users/lyndon/.local/share/pandoc/filters/latex-footcite.lua 
-s -o thesis_jeremiah_32.tex jer-32-thesis.md

It's definitely picking up the lua file because if I have a syntax error, 
pandoc tells me. But I don't get any output.

On Thursday, 28 July 2022 at 21:32:06 UTC+1 denis...-NSENcxR/0n0@public.gmane.org wrote:

> How do you run this ?
>
> I’ve tested with a minimal markdown file :
>
>  
>
> ```markdown
>
> asdf
>
> ```
>
>  
>
> Run with :
>
> pandoc asdf.md -t mylatex.lua
>
>  
>
> Result :
>
> got here
>
> asdf
>
>  
>
> So, it prints the first print statement of the writer.
>
>  
>
> Denis
>
>  
>
> *Von:* pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org <pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org> *Im 
> Auftrag von *Lyndon Drake
> *Gesendet:* Donnerstag, 28. Juli 2022 19:17
> *An:* pandoc-discuss <pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
> *Betreff:* Re: Changing LaTeX output for citations inside footnotes
>
>  
>
> Thanks for this - exactly what I needed. I've added my attempt at the code 
> below, but I must be missing some basic part of it because it doesn't do 
> anything. I added a couple of print statements that never get executed:
>
>  
>
> ```
>
> function Writer(doc, opts)
>     print "got here"
>     local filter = {
>         Note = function(el)
>             return el:walk {
>                 Cite = function(el)
>                     -- processing logic
>                     print "got further"
>                     local citation = ""
>                     if #el.citations > 1 then
>                         if citations[1].mode == "AuthorInText" then
>                             citation = '\\textcites*'
>                         elseif citations[1].mode == "SuppressAuthor" then
>                             citation = '\\cites*'
>                         elseif citations[1].mode == "NormalCitation" then
>                             citation = '\\cites'
>                         end
>                     else
>                         if citations[1].mode == "AuthorInText" then
>                             citation = '\\textcite*'
>                         elseif citations[1].mode == "SuppressAuthor" then
>                             citation = '\\cite*'
>                         elseif citations[1].mode == "NormalCitation" then
>                             citation = '\\cite'
>                         end
>                     end
>                     for c in el.citations do
>                         if c.prefix ~= "" then
>                             citation = citation .. '[' .. c.prefix .. ']'
>                         end
>                         if c.suffix ~= "" then
>                             citation = citation .. '[' .. c.suffix .. ']'
>                         end
>                         citation = citation .. '{' .. c.id .. '}'
>                     end
>                     return pandoc.RawInline('latex', citation)
>                 end
>             }
>         end
>     }
>     return pandoc.write(doc:walk(filter), 'latex', opts)
> end
>
> ```
>
>  
>
> Apologies for what must be a very basic question, but what am I missing 
> here?
>
> On Wednesday, 27 July 2022 at 11:27:32 UTC+1 denis...-NSENcxR/0n0@public.gmane.org wrote:
>
> What kind of example do you need? I only know about the examples in the 
> documentation.
>
>  
>
> I think this here is a nice one :
>
>
> https://pandoc.org/lua-filters.html#modifying-pandocs-manual.txt-for-man-pages
>
>  
>
> Or : the new style writer
>
> https://pandoc.org/custom-writers.html#example-modified-markdown-writer
>
>  
>
> So, something like this here could be start:
>
>  
>
> ```
>
> function Writer(doc, opts)
>
>   local filter = {
>
>     Note = function(el)
>
>         return el:walk {
>
>           Cite = function(el)
>
>             -- processing logic
>
>            return pandoc.RawInline('latex', 
> '\\cite[prenote][postnote]{key}')
>
>           end
>
>       }
>
>     end
>
>   }
>
>   return pandoc.write(doc:walk(filter), 'latex', opts)
>
> end
>
> ```
>
>  
>
> I don’t think you can get the current writer in Lua.
>
>  
>
>  
>
> *Von:* pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org <pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org> *Im 
> Auftrag von *Lyndon Drake
> *Gesendet:* Dienstag, 26. Juli 2022 11:00
> *An:* pandoc-discuss <pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
> *Betreff:* Re: Changing LaTeX output for citations inside footnotes
>
>  
>
> Thanks for this. I can see how that could work.
>
>  
>
> Can you point me to another example that uses the walk function?
>
>  
>
> Regarding a new-style Lua writer, is there a way to get the current LaTeX 
> writer as Lua code? Or is it just the Haskell code? (I once knew Haskell 
> but that was rather a long time ago.)
>
> On Monday, 25 July 2022 at 22:02:38 UTC+1 denis...-NSENcxR/0n0@public.gmane.org wrote:
>
> I can't come up with a code example now, bit you can use the walk function 
> (https://pandoc.org/lua-filters.html#type-block:walk) to modify the 
> citations with a given mode inside notes. You'll need to build the citation 
> via Pandoc.RawInline 
> Maybe that would be a good example of a new style Lua writer. 
> ________________________________________ 
> Von: pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org <pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org> im Auftrag 
> von Lyndon Drake <isen...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 
> Gesendet: Montag, 25. Juli 2022 21:46:28 
> An: pandoc-discuss 
> Betreff: Changing LaTeX output for citations inside footnotes 
>
> Hi, 
>
> So this is a slightly odd request, which really comes because of the 
> unusual behaviour of the specific BibLaTeX bibliography style I'm using. In 
> that style, \textcite inside a footnote produces an unwanted result. \cite 
> produces the expected output. I have generally just gone through and 
> hand-edited my Pandoc-produced LaTeX files when they get to the final copy 
> stage, but that's painful, and I also thought that maybe this is possible 
> to do in a Lua filter. 
>
> But I don't quite know where to start - obviously this is a bit different 
> from the internal Pandoc citations. I'm going to begin the filter with 
> this: 
>
> if FORMAT:match 'latex' then <https://pandoc.org/lua-filters.html#cb9-3> 
> function 
>
> but what would the function be? If it is Footnote, then I don't really 
> want the AST, I want the LaTeX that forms the footnote contents, and I 
> suppose then I can just replace any occurrences of the string \textcite 
> with the string \cite? 
>
> Any help would be awesome! 
>
> Best, 
> Lyndon 
>
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