Dear BPJI read this post and thank you for illuminating some aspects of walking a DIV element in pandoc. My story is different but I tried to achieve something simpler.
I have a docx document and I want to convert it to Latex to include some special styles. . I adapted your code and all works well except that I get extra lines between the environment definition and content.
Here is my adapted code:
function Div(divclaims)
local preclaims = pandoc.RawInline('latex', '\\begin{claims}')
local postclaims = pandoc.RawInline('latex', '\\end{claims}')
local preissues = pandoc.RawInline('latex', '\\begin{issues}')
local postissues = pandoc.RawInline('latex', '\\end{issues}')
divbe=tostring(divclaims.t)
styletobe=tostring(divclaims.attr)
if (string.find(styletobe, "Claims") or string.find(styletobe, "Issues")) then
if (string.find(styletobe, "Claims")) then pre=preclaims post=postclaims print("Claim found") end
if (string.find(styletobe, "Issues")) then pre=preissues post=postissues print("Issue found") end
local content = divclaims.content
table.insert(content, 1, pre)
table.insert(content, post)
return content
end
return nil
end
The Latex looks cool, except that the table.insert adds some empty lines :
\begin{issues}
text with formatting....
\end{issues}
That baffles the Latex interpreter . My question is: how can I modify the code such that my latex output will have no extra empty lines?
\begin{issues} text text \end{issues}
Thank you in advance!
Ioan M.
On Monday, January 10, 2022 at 12:46:37 PM UTC-6 BPJ wrote:
It is neither possible nor needed to convert the whole block to HTML within the filter; rather you should just inject the start and end tags:
``````lua
-- Create these only once, for speed and resources saving!
local pre = pandoc.RawBlock('html', '<note>')
local post = pandoc.RawBlock('html', '</note>')
function Div (div)
-- The order of the classes shouldn't matter!
if div.classes:includes('replace-me') then
local content = div.content
table.insert(content, 1, pre)
table.insert(content, post)
return content
end
return nil
end
``````
Hello,
I would like to ask how you should, in general, detect and manipulate with Pandoc `block` elements. Currently, I am trying to replace `<div class='replace-me'>` tag with `<note>` tag in similar (highly simplified) HTML file:
```.{html}
<html>
<body>
<p> First line. </p>
<div class="replace-me another-class"> This should carry on to converted document. </div>
<p>End.</p>
</body>
</html>
```
I have tried to detect the `<div>` tag, use `walk_block` to get the `<div>` content and put it in `<note>` tag, I also found a code using `:walk` method. Lastly, I tried to convert `<div>` content to simple string and concatenate that in `RawInline` type:
```.{lua}
if elem.t == 'Div' and elem.classes[1] == "replace-me" then
content = pandoc.utils.stringify(elem.content)
return pandoc.RawInline('html', '<note>' .. content.. '</note>')
else
return elem
end
```
But none of that is working. I would like to ask you, how to work in general with `pandoc_walk` or `:walk` (are they the same?) and how to deal with my specific situation?
Thank you very much for any help, I ope that afterwards I will be able to help myself a little bit more :)
Regards Tomas
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