Re: Pandoc Lua script to filter specific markdown sub sections during PDF generation

[Henrik Klang <henrik.klang-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

[-- Attachment #1.1: Type: text/plain, Size: 2273 bytes --]

Update: your suggestions worked. Thank you for excellent support.

tisdag 1 september 2020 kl. 12:05:48 UTC+2 skrev Henrik Klang:

> I meant the entire section with both headline and body.
>
> Thanks for the suggestions guys, I will try them out!
>
> / Henrik
>
> tisdag 1 september 2020 kl. 11:35:15 UTC+2 skrev Albert Krewinkel:
>
>>
>> Denis Maier writes:
>>
>> > You mean like removing the sub section header? Or the whole subsection 
>> until the
>> > start of the next section?
>> > Both should be possible with a lua filter. The first is trivial, the 
>> second
>> > more complex (at least for me ;-). But I doubt it wouldn't be possible.
>> > The tricky part is possibly that pandoc's AST does not reveal the 
>> hierarchy
>> > here:
>> >
>> > [Header 1 ("header-1",[],[]) [Str "Header",Space,Str "1"]
>> > ,Para [Str "Text"]
>> > ,Header 2 ("header-2",[],[]) [Str "Header",Space,Str "2"]
>> > ,Para [Str "Text"]
>> > ,Header 2 ("header-2-1",[],[]) [Str "Header",Space,Str "2"]
>> > ,Para [Str "Text"]
>> > ,Header 1 ("header-1-1",[],[]) [Str "Header",Space,Str "1"]
>> > ,Para [Str "Text"]]
>> >
>> > So, I imagine you have to walk over the AST and when you encounter a 
>> "Header 2"
>> > element, you delete this and everything else until you find the next 
>> "Head 1"
>> > element.
>>
>> That's a good approach. Untested Lua:
>>
>> local keep_deleting = false
>> function Block (b)
>> if b.t == 'Header' and b.level >= 3 then
>> keep_deleting = true
>> return {}
>> elseif b.t == 'Header' then
>> keep_deleting = false
>> elseif keep_deleting then
>> return {}
>> end
>> end
>>
>> The alternative is to let pandoc wrap all sections in divs and to delete
>> those that are undesired. See
>> https://gist.github.com/tarleb/a0f41adfa7b0e5a9be441e945f843299
>>
>>
>> --
>> Albert Krewinkel
>> GPG: 8eed e3e2 e8c5 6f18 81fe e836 388d c0b2 1f63 1124
>>
>

-- 
You received this message because you are subscribed to the Google Groups "pandoc-discuss" group.
To unsubscribe from this group and stop receiving emails from it, send an email to pandoc-discuss+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org
To view this discussion on the web visit https://groups.google.com/d/msgid/pandoc-discuss/dea98b71-e65b-401e-b3df-338cd80ae369n%40googlegroups.com.

[-- Attachment #1.2: Type: text/html, Size: 3761 bytes --]