148 lines
5.7 KiB
EmacsLisp
148 lines
5.7 KiB
EmacsLisp
;;; ob-latex.el --- org-babel functions for latex "evaluation"
|
|
|
|
;; Copyright (C) 2009, 2010 Free Software Foundation, Inc.
|
|
|
|
;; Author: Eric Schulte
|
|
;; Keywords: literate programming, reproducible research
|
|
;; Homepage: http://orgmode.org
|
|
;; Version: 0.01
|
|
|
|
;; This file is part of GNU Emacs.
|
|
|
|
;; GNU Emacs is free software: you can redistribute it and/or modify
|
|
;; it under the terms of the GNU General Public License as published by
|
|
;; the Free Software Foundation, either version 3 of the License, or
|
|
;; (at your option) any later version.
|
|
|
|
;; GNU Emacs is distributed in the hope that it will be useful,
|
|
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
;; GNU General Public License for more details.
|
|
|
|
;; You should have received a copy of the GNU General Public License
|
|
;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
;;; Commentary:
|
|
|
|
;; Org-Babel support for evaluating LaTeX source code.
|
|
;;
|
|
;; Currently on evaluation this returns raw LaTeX code, unless a :file
|
|
;; header argument is given in which case small png or pdf files will
|
|
;; be created directly form the latex source code.
|
|
|
|
;;; Code:
|
|
(require 'ob)
|
|
(require 'org-latex)
|
|
|
|
(add-to-list 'org-babel-tangle-lang-exts '("latex" . "tex"))
|
|
|
|
(defvar org-babel-default-header-args:latex
|
|
'((:results . "latex") (:exports . "results"))
|
|
"Default arguments to use when evaluating a latex source block.")
|
|
|
|
(defun org-babel-expand-body:latex (body params &optional processed-params)
|
|
"Expand BODY according to PARAMS, return the expanded body."
|
|
(mapc (lambda (pair) ;; replace variables
|
|
(setq body
|
|
(replace-regexp-in-string
|
|
(regexp-quote (format "%S" (car pair)))
|
|
(if (stringp (cdr pair))
|
|
(cdr pair) (format "%S" (cdr pair)))
|
|
body))) (nth 1 (org-babel-process-params params)))
|
|
body)
|
|
|
|
(defun org-babel-execute:latex (body params)
|
|
"Execute a block of Latex code with org-babel. This function is
|
|
called by `org-babel-execute-src-block'."
|
|
(message "executing Latex source code block")
|
|
(setq body (org-babel-expand-body:latex body params))
|
|
(if (cdr (assoc :file params))
|
|
(let ((out-file (cdr (assoc :file params)))
|
|
(tex-file (make-temp-file "org-babel-latex" nil ".tex"))
|
|
(pdfheight (cdr (assoc :pdfheight params)))
|
|
(pdfwidth (cdr (assoc :pdfwidth params)))
|
|
(in-buffer (not (string= "no" (cdr (assoc :buffer params)))))
|
|
(org-export-latex-packages-alist
|
|
(append (cdr (assoc :packages params))
|
|
org-export-latex-packages-alist)))
|
|
(cond
|
|
((string-match "\\.png$" out-file)
|
|
(org-create-formula-image
|
|
body out-file org-format-latex-options in-buffer))
|
|
((string-match "\\.pdf$" out-file)
|
|
(org-babel-latex-body-to-tex-file tex-file body pdfheight pdfwidth)
|
|
(when (file-exists-p out-file) (delete-file out-file))
|
|
(rename-file (org-babel-latex-tex-to-pdf tex-file) out-file))
|
|
((string-match "\\.\\([^\\.]+\\)$" out-file)
|
|
(error
|
|
(message "can not create %s files, please specify a .png or .pdf file"
|
|
(match-string 1 out-file)))))
|
|
out-file)
|
|
body))
|
|
|
|
(defun org-babel-latex-body-to-tex-file (tex-file body &optional height width)
|
|
"Place the contents of BODY into TEX-FILE. Extracted from
|
|
`org-create-formula-image' in org.el."
|
|
(with-temp-file tex-file
|
|
(insert (org-splice-latex-header
|
|
org-format-latex-header
|
|
(delq
|
|
nil
|
|
(mapcar
|
|
(lambda (el) (unless (and (listp el) (string= "hyperref" (cadr el)))
|
|
el))
|
|
org-export-latex-default-packages-alist))
|
|
org-export-latex-packages-alist
|
|
org-format-latex-header-extra)
|
|
(if height (concat "\n" (format "\\pdfpageheight %s" height)) "")
|
|
(if width (concat "\n" (format "\\pdfpagewidth %s" width)) "")
|
|
(if org-format-latex-header-extra
|
|
(concat "\n" org-format-latex-header-extra)
|
|
"")
|
|
"\n\\begin{document}\n" body "\n\\end{document}\n")
|
|
(org-export-latex-fix-inputenc)))
|
|
|
|
(defun org-babel-latex-tex-to-pdf (tex-file)
|
|
"Generate a pdf according to the contents TEX-FILE. Extracted
|
|
from `org-export-as-pdf' in org-latex.el."
|
|
(let* ((wconfig (current-window-configuration))
|
|
(default-directory (file-name-directory tex-file))
|
|
(base (file-name-sans-extension tex-file))
|
|
(pdffile (concat base ".pdf"))
|
|
(cmds org-latex-to-pdf-process)
|
|
(outbuf (get-buffer-create "*Org PDF LaTeX Output*"))
|
|
cmd)
|
|
(if (and cmds (symbolp cmds))
|
|
(funcall cmds tex-file)
|
|
(while cmds
|
|
(setq cmd (pop cmds))
|
|
(while (string-match "%b" cmd)
|
|
(setq cmd (replace-match
|
|
(save-match-data
|
|
(shell-quote-argument base))
|
|
t t cmd)))
|
|
(while (string-match "%s" cmd)
|
|
(setq cmd (replace-match
|
|
(save-match-data
|
|
(shell-quote-argument tex-file))
|
|
t t cmd)))
|
|
(shell-command cmd outbuf outbuf)))
|
|
(if (not (file-exists-p pdffile))
|
|
(error "PDF file was not produced from %s" tex-file)
|
|
(set-window-configuration wconfig)
|
|
(when org-export-pdf-remove-logfiles
|
|
(dolist (ext org-export-pdf-logfiles)
|
|
(setq tex-file (concat base "." ext))
|
|
(and (file-exists-p tex-file) (delete-file tex-file))))
|
|
pdffile)))
|
|
|
|
(defun org-babel-prep-session:latex (session params)
|
|
"Create a session named SESSION according to PARAMS."
|
|
(error "Latex does not support sessions"))
|
|
|
|
(provide 'ob-latex)
|
|
|
|
;; arch-tag: 1f13f7e2-26de-4c24-9274-9f331d4c6ff3
|
|
|
|
;;; ob-latex.el ends here
|