* filter to inject raw TeX command based on header attributes
@ 2021-12-23 15:14 bapt auguie
[not found] ` <CAGCXF28DUfNvU8cVDjydiqg+TUwzOhdrWL5w5xc8Ua-MXA6BBA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
0 siblings, 1 reply; 4+ messages in thread
From: bapt auguie @ 2021-12-23 15:14 UTC (permalink / raw)
To: pandoc-discuss-/JYPxA39Uh5TLH3MbocFFw
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Hi,
I'd like to make use of pandoc's header attributes (
https://pandoc.org/MANUAL.html#extension-header_attributes) to inject a
custom LaTeX \renewcommand{} definition in specific sections. My goal is to
have a minimalist markdown file for my CV (no tables or raw LaTeX, just
simple lists and #headers), and have a Lua filter identify which sections
have specific formatting needs (e.g wrap inside a 3-column table), which
will be taken care of by LaTeX.
Consider this input markdown,
> # qualifications {#id1 .CV content=list}
>
> ## 2011 | can type, delete, copy and paste
> ## 2021 | can *format*, sometimes
>
> # work in progress {#id2 .CV content=freetext}
>
> ## Beside lists, I am hoping to learn to format free text too, *someday*.
>
I would like to walk the AST, and immediately after headers with a specific
attribute, inject a \renewcommand{} based on the header's attributes, such
as (dummy example),
\renewcommand\subsection[1]{\textbf{#1}}
for sections with content=list and
\renewcommand\subsection[1]{\textit{#1}}
with content=freetext.
This is obviously a contrived example, the actual command I'm using is
actually to split a sub-header and format it as a table (dates | job
position | location) or various other tasks (e.g. changing emphasis colours
for different sections etc.).
I'm not familiar enough with the pandoc AST or lua to figure this out; I
looked at a related example ( * noexport-subtrees.lua *
<https://gist.github.com/tarleb/a0f41adfa7b0e5a9be441e945f843299#file-noexport-subtrees-lua>)
but here the situation is a bit different, as I need to create an
additional element (raw tex string) and append it to the original header.
Many thanks,
baptiste
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: filter to inject raw TeX command based on header attributes
[not found] ` <CAGCXF28DUfNvU8cVDjydiqg+TUwzOhdrWL5w5xc8Ua-MXA6BBA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
@ 2021-12-29 19:41 ` John MacFarlane
[not found] ` <m2a6gjyza0.fsf-jF64zX8BO0+FqBokazbCQ6OPv3vYUT2dxr7GGTnW70NeoWH0uzbU5w@public.gmane.org>
0 siblings, 1 reply; 4+ messages in thread
From: John MacFarlane @ 2021-12-29 19:41 UTC (permalink / raw)
To: bapt auguie, pandoc-discuss-/JYPxA39Uh5TLH3MbocFFw
bapt auguie <auguieba-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:
> I would like to walk the AST, and immediately after headers with a specific
> attribute, inject a \renewcommand{} based on the header's attributes, such
> as (dummy example),
>
> \renewcommand\subsection[1]{\textbf{#1}}
This is pretty easy. You would have a function
function Header(el)
local attr = el.attributes
-- you can do attr['foo'] to get the value of the 'foo' attribute
-- now create a string with the macro:
local macro = ...
return { el, pandoc.RawBlock("latex", macro) }
end
You can fill in the blanks.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: filter to inject raw TeX command based on header attributes
[not found] ` <m2a6gjyza0.fsf-jF64zX8BO0+FqBokazbCQ6OPv3vYUT2dxr7GGTnW70NeoWH0uzbU5w@public.gmane.org>
@ 2021-12-29 20:45 ` bapt auguie
[not found] ` <CAGCXF2_r6G_sMQWmxyXKA5i29gRFLtOG5Z-WowKXkHASThsGqQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
0 siblings, 1 reply; 4+ messages in thread
From: bapt auguie @ 2021-12-29 20:45 UTC (permalink / raw)
To: John MacFarlane; +Cc: pandoc-discuss-/JYPxA39Uh5TLH3MbocFFw
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Excellent, I managed to adapt it and it works a charm!
Thanks,
b.
On Wed, 29 Dec 2021 at 20:42, John MacFarlane <jgm-TVLZxgkOlNX2fBVCVOL8/A@public.gmane.org> wrote:
> bapt auguie <auguieba-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:
>
> > I would like to walk the AST, and immediately after headers with a
> specific
> > attribute, inject a \renewcommand{} based on the header's attributes,
> such
> > as (dummy example),
> >
> > \renewcommand\subsection[1]{\textbf{#1}}
>
> This is pretty easy. You would have a function
>
> function Header(el)
> local attr = el.attributes
> -- you can do attr['foo'] to get the value of the 'foo' attribute
> -- now create a string with the macro:
> local macro = ...
> return { el, pandoc.RawBlock("latex", macro) }
> end
>
> You can fill in the blanks.
>
>
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: filter to inject raw TeX command based on header attributes
[not found] ` <CAGCXF2_r6G_sMQWmxyXKA5i29gRFLtOG5Z-WowKXkHASThsGqQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
@ 2021-12-31 11:52 ` BPJ
0 siblings, 0 replies; 4+ messages in thread
From: BPJ @ 2021-12-31 11:52 UTC (permalink / raw)
To: pandoc-discuss
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I think I mentioned this recently but a useful trick when using a filter to
convert most code spans/blocks into raws or something else is to use a
dummy class `.code` on those which don't have any other class(es) and
shouldn't be converted:
``````lua
local function no_code_class (it) return it ~= 'code' end
function Code (elem)
-- Skip if it has any classes
if 0 < #elem.classes then
-- Remove the 'code' class
elem.classes = elem.classes:filter(no_code_class)
return elem
else
-- Do whatever you want with a "bare" Code e.g.
return pandoc.RawInline(SOME_FORMAT, elem.text)
end
end
``````
Den ons 29 dec. 2021 21:46bapt auguie <auguieba-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> skrev:
> Excellent, I managed to adapt it and it works a charm!
>
> Thanks,
>
> b.
>
> On Wed, 29 Dec 2021 at 20:42, John MacFarlane <jgm-TVLZxgkOlNX2fBVCVOL8/A@public.gmane.org> wrote:
>
>> bapt auguie <auguieba-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:
>>
>> > I would like to walk the AST, and immediately after headers with a
>> specific
>> > attribute, inject a \renewcommand{} based on the header's attributes,
>> such
>> > as (dummy example),
>> >
>> > \renewcommand\subsection[1]{\textbf{#1}}
>>
>> This is pretty easy. You would have a function
>>
>> function Header(el)
>> local attr = el.attributes
>> -- you can do attr['foo'] to get the value of the 'foo' attribute
>> -- now create a string with the macro:
>> local macro = ...
>> return { el, pandoc.RawBlock("latex", macro) }
>> end
>>
>> You can fill in the blanks.
>>
>> --
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> To view this discussion on the web visit
> https://groups.google.com/d/msgid/pandoc-discuss/CAGCXF2_r6G_sMQWmxyXKA5i29gRFLtOG5Z-WowKXkHASThsGqQ%40mail.gmail.com
> <https://groups.google.com/d/msgid/pandoc-discuss/CAGCXF2_r6G_sMQWmxyXKA5i29gRFLtOG5Z-WowKXkHASThsGqQ%40mail.gmail.com?utm_medium=email&utm_source=footer>
> .
>
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2021-12-23 15:14 filter to inject raw TeX command based on header attributes bapt auguie
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2021-12-29 19:41 ` John MacFarlane
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