Hello, Here is a patch that allows the use of a format string in custom-lang-environments.
From e4731375eaf622df0187d47d949fb9f4e53330be Mon Sep 17 00:00:00 2001
From: Alan Schmitt <alan.schm...@polytechnique.org>
Date: Wed, 25 Nov 2015 08:48:58 +0100
Subject: [PATCH] ox-latex: Extend custom-lang-environments
* lisp/ox-latex.el (org-latex-custom-lang-environments): extend the
documentation string.
* lisp/ox-latex.el (org-latex-src-block): allow a custom language
environment to be a format string to be directly inserted.
---
lisp/ox-latex.el | 50 ++++++++++++++++++++++++++++++++++++++++----------
1 file changed, 40 insertions(+), 10 deletions(-)
diff --git a/lisp/ox-latex.el b/lisp/ox-latex.el
index bbf7f41..1b0bff5 100644
--- a/lisp/ox-latex.el
+++ b/lisp/ox-latex.el
@@ -1025,17 +1025,40 @@ block-specific options, you may use the following syntax:
"Alist mapping languages to language-specific LaTeX environments.
It is used during export of src blocks by the listings and minted
-latex packages. For example,
+latex packages. The environment may either be a simple string,
+composed of only letters and numbers. In this case, the string is
+directly the name of the latex environment to use. The environment
+may also be a format string. In this case the format string will be
+directly exported. This format string may contain these elements:
+
+ %c for the formatted source
+ %C for the caption
+ %f for the float attribute
+ %l for an appropriate label
+
+For example,
(setq org-latex-custom-lang-environments
- '((python \"pythoncode\")))
+ '((python \"pythoncode\")
+ (ocaml \"\\\\begin{listing}\\n\\\\begin{minted}{ocaml}%c\\\\end{minted}\\n\\\\caption{%C}\\n\\\\label{%l}\")))
would have the effect that if org encounters begin_src python
during latex export it will output
\\begin{pythoncode}
<src block body>
- \\end{pythoncode}")
+ \\end{pythoncode}
+
+and if org encounters begin_src ocaml during latex export it will
+output
+
+ \\begin{listing}
+ \\begin{minted}{ocaml}
+ <src block body>
+ \\end{minted}
+ \\caption{<caption>}
+ \\label{<label>}
+ \\end{listing}")
;;;; Compilation
@@ -2756,13 +2779,20 @@ contextual information."
(org-export-format-code-default src-block info))))))
;; Case 2. Custom environment.
(custom-env
- (let ((caption-str (org-latex--caption/label-string src-block info)))
- (format "\\begin{%s}\n%s\\end{%s}\n"
- custom-env
- (concat (and caption-above-p caption-str)
- (org-export-format-code-default src-block info)
- (and (not caption-above-p) caption-str))
- custom-env)))
+ (let ((caption-str (org-latex--caption/label-string src-block info))
+ (formatted-src (org-export-format-code-default src-block info)))
+ (if (string-match-p "\\`[a-zA-Z0-9]+\\'" custom-env)
+ (format "\\begin{%s}\n%s\\end{%s}\n"
+ custom-env
+ (concat (and caption-above-p caption-str)
+ formatted-src
+ (and (not caption-above-p) caption-str))
+ custom-env)
+ (format-spec custom-env
+ `((?c . ,formatted-src)
+ (?C . ,caption)
+ (?f . ,float)
+ (?l . ,(org-latex--label src-block info)))))))
;; Case 3. Use minted package.
((eq listings 'minted)
(let* ((caption-str (org-latex--caption/label-string src-block info))
--
2.6.3
Best, Alan -- OpenPGP Key ID : 040D0A3B4ED2E5C7 Athmospheric CO₂ (Updated November 22, 2015, Mauna Loa Obs.): 400.35 ppm
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