Code blocks in latex

Code blocks in latex

[Umut Acar]

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Is it possible to specify a programming language for lstlisting environments in latex? This is for latex to html translation with syntax highlighting. 

I got good results with markdown and html translation by using Kate XML specifications but the analogous approach doesn't seem to work with latex and lstlistings.

Thank you!

Re: Code blocks in latex

[John MacFarlane]

Yes, you can.  Not as many languages are supported.

Umut Acar <umutacar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:

> Is it possible to specify a programming language for lstlisting environments in latex? This is for latex to html translation with syntax highlighting. 
>
> I got good results with markdown and html translation by using Kate XML specifications but the analogous approach doesn't seem to work with latex and lstlistings.
>
> Thank you!
>
> -- 
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Re: Code blocks in latex

[Umut Acar]

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Indeed, it works for quite a few standard languages but are custom language 
definitions supported?  In markdown -->html conversion via custom XML 
spec's (Kate) seems possible. I got good results with that. Is this not 
supported for LaTeX --> html?

BTW, in case this question seems esoteric: I wish to use pandoc for 
teaching computer science courses, where we define our own languages for 
instructional purposes. 



On Thursday, May 30, 2019 at 1:21:04 AM UTC-4, John MacFarlane wrote:
>
>
> Yes, you can.  Not as many languages are supported. 
>
> Umut Acar <umut...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org <javascript:>> writes: 
>
> > Is it possible to specify a programming language for lstlisting 
> environments in latex? This is for latex to html translation with syntax 
> highlighting. 
> > 
> > I got good results with markdown and html translation by using Kate XML 
> specifications but the analogous approach doesn't seem to work with latex 
> and lstlistings. 
> > 
> > Thank you! 
> > 
> > -- 
> > 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-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org <javascript:>. 
> > To post to this group, send email to pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org 
> <javascript:>. 
> > To view this discussion on the web visit 
> https://groups.google.com/d/msgid/pandoc-discuss/b08442d7-e415-4491-b841-705cf46ddc1f%40googlegroups.com. 
>
> > For more options, visit https://groups.google.com/d/optout. 
>

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Re: Code blocks in latex

[John MacFarlane]

Umut Acar <umutacar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:

> Indeed, it works for quite a few standard languages but are custom language 
> definitions supported?  In markdown -->html conversion via custom XML 
> spec's (Kate) seems possible. I got good results with that. Is this not 
> supported for LaTeX --> html?

To be clear, do I understand correctly that you're
converting from LaTeX to HTML, and you want LaTeX
lstlistings environments to be converted with
highlighting?

That will work with recognized languages (those that
lstlisting environment supports).  And you can make
it work with unrecognized languages, by using a filter.
Note:

% pandoc -f latex -t native
\begin{lstlisting}[language=foobar]
hi = 3
\end{lstlisting}
^D
[CodeBlock ("",[],[("language","foobar")]) "hi = 3"]

What you need to do highlighting (using
--syntax-definitio=foobar.xml) is rather

[CodeBlock ("",["foobar"],[]) "hi = 3"]

The solution is to use a simple lua filter
that finds code blocks with a language attribute and
makes its value a class.

Re: Code blocks in latex

[John MacFarlane]

John MacFarlane <jgm-TVLZxgkOlNX2fBVCVOL8/A@public.gmane.org> writes:

> Umut Acar <umutacar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:
>
>> Indeed, it works for quite a few standard languages but are custom language 
>> definitions supported?  In markdown -->html conversion via custom XML 
>> spec's (Kate) seems possible. I got good results with that. Is this not 
>> supported for LaTeX --> html?
>
> To be clear, do I understand correctly that you're
> converting from LaTeX to HTML, and you want LaTeX
> lstlistings environments to be converted with
> highlighting?
>
> That will work with recognized languages (those that
> lstlisting environment supports).  And you can make
> it work with unrecognized languages, by using a filter.
> Note:
>
> % pandoc -f latex -t native
> \begin{lstlisting}[language=foobar]
> hi = 3
> \end{lstlisting}
> ^D
> [CodeBlock ("",[],[("language","foobar")]) "hi = 3"]
>
> What you need to do highlighting (using
> --syntax-definitio=foobar.xml) is rather
>
> [CodeBlock ("",["foobar"],[]) "hi = 3"]
>
> The solution is to use a simple lua filter
> that finds code blocks with a language attribute and
> makes its value a class.

Ultimately we may want to change pandoc so it
recognizes a language attribute if there is no
relevant class (feel free to put up an issue
about this), but this will work for now.

Re: Code blocks in latex

[Umut Acar]

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Yes, I wish to convert from latex to xml.  I don't know much about pandoc 
filters  and lua but they seem cool.  I will see if I can get this to 
work.  


On Thursday, May 30, 2019 at 1:38:40 PM UTC-4, John MacFarlane wrote:
>
> John MacFarlane <j...-TVLZxgkOlNX2fBVCVOL8/A@public.gmane.org <javascript:>> writes: 
>
> > Umut Acar <umut...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org <javascript:>> writes: 
> > 
> >> Indeed, it works for quite a few standard languages but are custom 
> language 
> >> definitions supported?  In markdown -->html conversion via custom XML 
> >> spec's (Kate) seems possible. I got good results with that. Is this not 
> >> supported for LaTeX --> html? 
> > 
> > To be clear, do I understand correctly that you're 
> > converting from LaTeX to HTML, and you want LaTeX 
> > lstlistings environments to be converted with 
> > highlighting? 
> > 
> > That will work with recognized languages (those that 
> > lstlisting environment supports).  And you can make 
> > it work with unrecognized languages, by using a filter. 
> > Note: 
> > 
> > % pandoc -f latex -t native 
> > \begin{lstlisting}[language=foobar] 
> > hi = 3 
> > \end{lstlisting} 
> > ^D 
> > [CodeBlock ("",[],[("language","foobar")]) "hi = 3"] 
> > 
> > What you need to do highlighting (using 
> > --syntax-definitio=foobar.xml) is rather 
> > 
> > [CodeBlock ("",["foobar"],[]) "hi = 3"] 
> > 
> > The solution is to use a simple lua filter 
> > that finds code blocks with a language attribute and 
> > makes its value a class. 
>
> Ultimately we may want to change pandoc so it 
> recognizes a language attribute if there is no 
> relevant class (feel free to put up an issue 
> about this), but this will work for now. 
>

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Re: Code blocks in latex

[Umut Acar]

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i meant latex to html if that matters.

On Thursday, May 30, 2019 at 6:42:47 PM UTC-4, Umut Acar wrote:
>
> Yes, I wish to convert from latex to xml.  I don't know much about pandoc 
> filters  and lua but they seem cool.  I will see if I can get this to 
> work.  
>
>
> On Thursday, May 30, 2019 at 1:38:40 PM UTC-4, John MacFarlane wrote:
>>
>> John MacFarlane <j...-TVLZxgkOlNX2fBVCVOL8/A@public.gmane.org> writes: 
>>
>> > Umut Acar <umut...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes: 
>> > 
>> >> Indeed, it works for quite a few standard languages but are custom 
>> language 
>> >> definitions supported?  In markdown -->html conversion via custom XML 
>> >> spec's (Kate) seems possible. I got good results with that. Is this 
>> not 
>> >> supported for LaTeX --> html? 
>> > 
>> > To be clear, do I understand correctly that you're 
>> > converting from LaTeX to HTML, and you want LaTeX 
>> > lstlistings environments to be converted with 
>> > highlighting? 
>> > 
>> > That will work with recognized languages (those that 
>> > lstlisting environment supports).  And you can make 
>> > it work with unrecognized languages, by using a filter. 
>> > Note: 
>> > 
>> > % pandoc -f latex -t native 
>> > \begin{lstlisting}[language=foobar] 
>> > hi = 3 
>> > \end{lstlisting} 
>> > ^D 
>> > [CodeBlock ("",[],[("language","foobar")]) "hi = 3"] 
>> > 
>> > What you need to do highlighting (using 
>> > --syntax-definitio=foobar.xml) is rather 
>> > 
>> > [CodeBlock ("",["foobar"],[]) "hi = 3"] 
>> > 
>> > The solution is to use a simple lua filter 
>> > that finds code blocks with a language attribute and 
>> > makes its value a class. 
>>
>> Ultimately we may want to change pandoc so it 
>> recognizes a language attribute if there is no 
>> relevant class (feel free to put up an issue 
>> about this), but this will work for now. 
>>
>

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Re: Code blocks in latex

[Umut Acar]

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I hacked up a lua filter that appears to work.  Thank you!  Issue opened 
here:
https://github.com/jgm/pandoc/issues/5540


On Thursday, May 30, 2019 at 6:43:26 PM UTC-4, Umut Acar wrote:
>
> i meant latex to html if that matters.
>
> On Thursday, May 30, 2019 at 6:42:47 PM UTC-4, Umut Acar wrote:
>>
>> Yes, I wish to convert from latex to xml.  I don't know much about pandoc 
>> filters  and lua but they seem cool.  I will see if I can get this to 
>> work.  
>>
>>
>> On Thursday, May 30, 2019 at 1:38:40 PM UTC-4, John MacFarlane wrote:
>>>
>>> John MacFarlane <j...-TVLZxgkOlNX2fBVCVOL8/A@public.gmane.org> writes: 
>>>
>>> > Umut Acar <umut...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes: 
>>> > 
>>> >> Indeed, it works for quite a few standard languages but are custom 
>>> language 
>>> >> definitions supported?  In markdown -->html conversion via custom XML 
>>> >> spec's (Kate) seems possible. I got good results with that. Is this 
>>> not 
>>> >> supported for LaTeX --> html? 
>>> > 
>>> > To be clear, do I understand correctly that you're 
>>> > converting from LaTeX to HTML, and you want LaTeX 
>>> > lstlistings environments to be converted with 
>>> > highlighting? 
>>> > 
>>> > That will work with recognized languages (those that 
>>> > lstlisting environment supports).  And you can make 
>>> > it work with unrecognized languages, by using a filter. 
>>> > Note: 
>>> > 
>>> > % pandoc -f latex -t native 
>>> > \begin{lstlisting}[language=foobar] 
>>> > hi = 3 
>>> > \end{lstlisting} 
>>> > ^D 
>>> > [CodeBlock ("",[],[("language","foobar")]) "hi = 3"] 
>>> > 
>>> > What you need to do highlighting (using 
>>> > --syntax-definitio=foobar.xml) is rather 
>>> > 
>>> > [CodeBlock ("",["foobar"],[]) "hi = 3"] 
>>> > 
>>> > The solution is to use a simple lua filter 
>>> > that finds code blocks with a language attribute and 
>>> > makes its value a class. 
>>>
>>> Ultimately we may want to change pandoc so it 
>>> recognizes a language attribute if there is no 
>>> relevant class (feel free to put up an issue 
>>> about this), but this will work for now. 
>>>
>>

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Re: Code blocks in latex

[Pranesh Prakash]

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This might be of use to someone else reading this thread later.  I recently 
did MD -> PDF via LaTex and did the custom highlighting in the following 
manner.

I indicated the language in the beginning of the code block:

``` {.xml}


Then I created an xml.tex file with the following content:

% Contents of xml.tex
\usepackage{xcolor}
\definecolor{maroon}{rgb}{0.5,0,0}
\definecolor{darkgreen}{rgb}{0,0.5,0}
\lstdefinelanguage{xml}
{ 
  morestring=[s]{"}{"},
  morecomment=[s]{?}{?},
  morecomment=[s]{!--}{--},
  commentstyle=\color{gray},
  moredelim=[s][\color{black}]{>}{<},
  moredelim=[s][\color{red}]{\ }{=},
  stringstyle=\color{blue},
  identifierstyle=\color{maroon}
}


\lstset{
  basicstyle=\ttfamily,
  columns=fullflexible,
  showstringspaces=false,
  commentstyle=\color{gray}\upshape,
  numbers=left,
  numberstyle=\footnotesize,
  backgroundcolor=\color[RGB]{248,248,248},
  breaklines=true,
  breakatwhitespace=true,
  breakautoindent=true,
  escapeinside={\%*}{*)},
}


Then I called pandoc using the line:

$ pandoc -f markdown+smart+raw_tex article.md --standalone --listings -H xml
.tex -H footnotes.tex --bibliography biblio.bib --csl chicago-fullnote-
bibliography.csl -o article.pdf

That generated the right highlighting in the PDF file.

When I tried generating an HTML file, the custom highlighting did not carry 
over, though the XML syntax was highlighted.

Regards,
Pranesh

On Friday, 31 May 2019 09:48:40 UTC+5:30, Umut Acar wrote:
>
> I hacked up a lua filter that appears to work.  Thank you!  Issue opened 
> here:
> https://github.com/jgm/pandoc/issues/5540
>
>
> On Thursday, May 30, 2019 at 6:43:26 PM UTC-4, Umut Acar wrote:
>>
>> i meant latex to html if that matters.
>>
>> On Thursday, May 30, 2019 at 6:42:47 PM UTC-4, Umut Acar wrote:
>>>
>>> Yes, I wish to convert from latex to xml.  I don't know much about 
>>> pandoc filters  and lua but they seem cool.  I will see if I can get this 
>>> to work.  
>>>
>>>
>>> On Thursday, May 30, 2019 at 1:38:40 PM UTC-4, John MacFarlane wrote:
>>>>
>>>> John MacFarlane <j...-TVLZxgkOlNX2fBVCVOL8/A@public.gmane.org> writes: 
>>>>
>>>> > Umut Acar <umut...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes: 
>>>> > 
>>>> >> Indeed, it works for quite a few standard languages but are custom 
>>>> language 
>>>> >> definitions supported?  In markdown -->html conversion via custom 
>>>> XML 
>>>> >> spec's (Kate) seems possible. I got good results with that. Is this 
>>>> not 
>>>> >> supported for LaTeX --> html? 
>>>> > 
>>>> > To be clear, do I understand correctly that you're 
>>>> > converting from LaTeX to HTML, and you want LaTeX 
>>>> > lstlistings environments to be converted with 
>>>> > highlighting? 
>>>> > 
>>>> > That will work with recognized languages (those that 
>>>> > lstlisting environment supports).  And you can make 
>>>> > it work with unrecognized languages, by using a filter. 
>>>> > Note: 
>>>> > 
>>>> > % pandoc -f latex -t native 
>>>> > \begin{lstlisting}[language=foobar] 
>>>> > hi = 3 
>>>> > \end{lstlisting} 
>>>> > ^D 
>>>> > [CodeBlock ("",[],[("language","foobar")]) "hi = 3"] 
>>>> > 
>>>> > What you need to do highlighting (using 
>>>> > --syntax-definitio=foobar.xml) is rather 
>>>> > 
>>>> > [CodeBlock ("",["foobar"],[]) "hi = 3"] 
>>>> > 
>>>> > The solution is to use a simple lua filter 
>>>> > that finds code blocks with a language attribute and 
>>>> > makes its value a class. 
>>>>
>>>> Ultimately we may want to change pandoc so it 
>>>> recognizes a language attribute if there is no 
>>>> relevant class (feel free to put up an issue 
>>>> about this), but this will work for now. 
>>>>
>>>

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Re: Code blocks in latex

[John MacFarlane]

--listings only works with LaTeX.
Custom highlighting defined with the listings package
won't carry over to other formats.

Pranesh Prakash <the.solipsist-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:

> This might be of use to someone else reading this thread later.  I recently 
> did MD -> PDF via LaTex and did the custom highlighting in the following 
> manner.
>
> I indicated the language in the beginning of the code block:
>
> ``` {.xml}
>
>
> Then I created an xml.tex file with the following content:
>
> % Contents of xml.tex
> \usepackage{xcolor}
> \definecolor{maroon}{rgb}{0.5,0,0}
> \definecolor{darkgreen}{rgb}{0,0.5,0}
> \lstdefinelanguage{xml}
> { 
>   morestring=[s]{"}{"},
>   morecomment=[s]{?}{?},
>   morecomment=[s]{!--}{--},
>   commentstyle=\color{gray},
>   moredelim=[s][\color{black}]{>}{<},
>   moredelim=[s][\color{red}]{\ }{=},
>   stringstyle=\color{blue},
>   identifierstyle=\color{maroon}
> }
>
>
> \lstset{
>   basicstyle=\ttfamily,
>   columns=fullflexible,
>   showstringspaces=false,
>   commentstyle=\color{gray}\upshape,
>   numbers=left,
>   numberstyle=\footnotesize,
>   backgroundcolor=\color[RGB]{248,248,248},
>   breaklines=true,
>   breakatwhitespace=true,
>   breakautoindent=true,
>   escapeinside={\%*}{*)},
> }
>
>
> Then I called pandoc using the line:
>
> $ pandoc -f markdown+smart+raw_tex article.md --standalone --listings -H xml
> .tex -H footnotes.tex --bibliography biblio.bib --csl chicago-fullnote-
> bibliography.csl -o article.pdf
>
> That generated the right highlighting in the PDF file.
>
> When I tried generating an HTML file, the custom highlighting did not carry 
> over, though the XML syntax was highlighted.
>
> Regards,
> Pranesh
>
> On Friday, 31 May 2019 09:48:40 UTC+5:30, Umut Acar wrote:
>>
>> I hacked up a lua filter that appears to work.  Thank you!  Issue opened 
>> here:
>> https://github.com/jgm/pandoc/issues/5540
>>
>>
>> On Thursday, May 30, 2019 at 6:43:26 PM UTC-4, Umut Acar wrote:
>>>
>>> i meant latex to html if that matters.
>>>
>>> On Thursday, May 30, 2019 at 6:42:47 PM UTC-4, Umut Acar wrote:
>>>>
>>>> Yes, I wish to convert from latex to xml.  I don't know much about 
>>>> pandoc filters  and lua but they seem cool.  I will see if I can get this 
>>>> to work.  
>>>>
>>>>
>>>> On Thursday, May 30, 2019 at 1:38:40 PM UTC-4, John MacFarlane wrote:
>>>>>
>>>>> John MacFarlane <j...-TVLZxgkOlNX2fBVCVOL8/A@public.gmane.org> writes: 
>>>>>
>>>>> > Umut Acar <umut...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes: 
>>>>> > 
>>>>> >> Indeed, it works for quite a few standard languages but are custom 
>>>>> language 
>>>>> >> definitions supported?  In markdown -->html conversion via custom 
>>>>> XML 
>>>>> >> spec's (Kate) seems possible. I got good results with that. Is this 
>>>>> not 
>>>>> >> supported for LaTeX --> html? 
>>>>> > 
>>>>> > To be clear, do I understand correctly that you're 
>>>>> > converting from LaTeX to HTML, and you want LaTeX 
>>>>> > lstlistings environments to be converted with 
>>>>> > highlighting? 
>>>>> > 
>>>>> > That will work with recognized languages (those that 
>>>>> > lstlisting environment supports).  And you can make 
>>>>> > it work with unrecognized languages, by using a filter. 
>>>>> > Note: 
>>>>> > 
>>>>> > % pandoc -f latex -t native 
>>>>> > \begin{lstlisting}[language=foobar] 
>>>>> > hi = 3 
>>>>> > \end{lstlisting} 
>>>>> > ^D 
>>>>> > [CodeBlock ("",[],[("language","foobar")]) "hi = 3"] 
>>>>> > 
>>>>> > What you need to do highlighting (using 
>>>>> > --syntax-definitio=foobar.xml) is rather 
>>>>> > 
>>>>> > [CodeBlock ("",["foobar"],[]) "hi = 3"] 
>>>>> > 
>>>>> > The solution is to use a simple lua filter 
>>>>> > that finds code blocks with a language attribute and 
>>>>> > makes its value a class. 
>>>>>
>>>>> Ultimately we may want to change pandoc so it 
>>>>> recognizes a language attribute if there is no 
>>>>> relevant class (feel free to put up an issue 
>>>>> about this), but this will work for now. 
>>>>>
>>>>
>
> -- 
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