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Re: [Orgmode] [PATCH] fontified source-code on latex export with listing


From: Eric Schulte
Subject: Re: [Orgmode] [PATCH] fontified source-code on latex export with listings package
Date: Tue, 11 Aug 2009 07:01:57 -0600
User-agent: Gnus/5.110011 (No Gnus v0.11) Emacs/23.1.50 (darwin)

Carsten Dominik <address@hidden> writes:

> I have added the patch, thanks!
>

Thanks for adding the patch.

>
> Eric, color setup is relative complex, which i why I don't want
> to discuss this in detail in the manual.  Maybe you could write
> a Worg page about this, and/or a FAQ entry?
>

I've added a FAQ entry to worg which encapsulates the *very little* I do
know about using the listings and color packages in LaTeX documents.

http://orgmode.org/worg/org-faq.php#fontified_source_code_w_latex

Best -- Eric

>
> - Carsten
>
> On Aug 8, 2009, at 8:59 PM, Eric Schulte wrote:
>
>> Hi,
>>
>> The attached patch allows for fontified source code blocks on export
>> to
>> LaTeX.  It does this using the 'listings' latex package.  A new
>> variable
>> is introduced; `org-export-latex-listings' which should be set to
>> non-nil for source-code to be exported as listings blocks.  This
>> variable defaults to nil in which case the current practice of
>> exporting
>> source code to verbatim latex blocks remains unchanged.
>>
>> To use this functionality add the following to your org-mode config.
>>
>> --8<---------------cut here---------------start------------->8---
>>  ;; tell org to use listings
>>  (setq org-export-latex-listings t)
>>
>>  ;; you must include the listings package
>>  (add-to-list 'org-export-latex-packages-alist '("" "listings"))
>>
>>  ;; if you want colored source code then you need to include the
>> color package
>>  (add-to-list 'org-export-latex-packages-alist '("" "color"))
>> --8<---------------cut here---------------end--------------->8---
>>
>> In addition to the patch, I'm attaching an example org-mode file,
>> along
>> with the generated LaTeX file and PDF file.
>>
>> Do you think this would be appropriate for inclusion into org-mode?
>>
>> Thanks -- Eric
>>
>> diff --git a/lisp/org-exp.el b/lisp/org-exp.el
>> index 00fd6c8..9de5e5f 100644
>> --- a/lisp/org-exp.el
>> +++ b/lisp/org-exp.el
>> @@ -2204,6 +2204,8 @@ in the list) and remove property and value
>> from the list in LISTVAR."
>> (defvar htmlp)  ;; dynamically scoped
>> (defvar latexp)  ;; dynamically scoped
>> (defvar org-export-latex-verbatim-wrap) ;; defined in org-latex.el
>> +(defvar org-export-latex-listings) ;; defined in org-latex.el
>> +(defvar org-export-latex-listings-langs) ;; defined in org-latex.el
>>
>> (defun org-export-format-source-code-or-example
>>   (backend lang code &optional opts indent)
>> @@ -2310,8 +2312,20 @@ INDENT was the original indentation of the
>> block."
>>           ((eq backend 'latex)
>>            (setq rtn (org-export-number-lines rtn 'latex 0 0 num
>> cont rpllbl fmt))
>>            (concat "\n#+BEGIN_LaTeX\n"
>> -                  (org-add-props (concat (car 
>> org-export-latex-verbatim-wrap)
>> -                                         rtn (cdr 
>> org-export-latex-verbatim-wrap))
>> +                  (org-add-props
>> +                          (if org-export-latex-listings
>> +                              (concat
>> +                               (if lang
>> +                                   (let* ((lang-sym (intern (concat
>> ":" lang)))
>> +                                          (lstlang (or (plist-get
>> org-export-latex-listings-langs
>> +
>> lang-sym)
>> +                                                       lang)))
>> +                                     (format "\\lstset{language=%s}
>> \n" lstlang))
>> +                                 "")
>> +                               "\\begin{lstlisting}\n"
>> +                               rtn "\\end{lstlisting}\n")
>> +                            (concat (car org-export-latex-verbatim-
>> wrap)
>> +                                    rtn (cdr org-export-latex-
>> verbatim-wrap)))
>>                        '(org-protected t))
>>                    "#+END_LaTeX\n\n"))
>>           ((eq backend 'ascii)
>> diff --git a/lisp/org-latex.el b/lisp/org-latex.el
>> index fdf9ae2..f80e221 100644
>> --- a/lisp/org-latex.el
>> +++ b/lisp/org-latex.el
>> @@ -69,6 +69,9 @@
>>        org-deadline-string "\\|"
>>        org-closed-string"\\)")
>>   "Regexp matching special time planning keywords plus the time
>> after it.")
>> +(defvar org-export-latex-listings nil
>> +  "If non-nil then source code blocks will be fontified using the
>> +listings package.")
>>
>> (defvar latexp)    ; dynamically scoped from org.el
>> (defvar re-quote)  ; dynamically scoped from org.el
>> @@ -297,6 +300,12 @@ Defaults to \\begin{verbatim} and \
>> \end{verbatim}."
>>   :type '(cons (string :tag "Open")
>>             (string :tag "Close")))
>>
>> +(defcustom org-export-latex-listings-langs
>> +  '(:emacs-lisp "lisp")
>> +  "Property list mapping languages to their listing language
>> counterpart."
>> +  :group 'org-export-latex
>> +  :type 'plist)
>> +
>> (defcustom org-export-latex-remove-from-headlines
>>   '(:todo nil :priority nil :tags nil)
>>   "A plist of keywords to remove from headlines. OBSOLETE.
>> <
>> listngs
>> .org
>> >
>> <
>> listngs
>> .tex><listngs.pdf>_______________________________________________
>> Emacs-orgmode mailing list
>> Remember: use `Reply All' to send replies to the list.
>> address@hidden
>> http://lists.gnu.org/mailman/listinfo/emacs-orgmode




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