code.delx.au - gnu-emacs-elpa/blob - auctex-11.86/style/babel.el

   1 ;;; babel.el --- AUCTeX style for `babel.sty'
   2
   3 ;; Copyright (C) 2005 Free Software Foundation, Inc.
   4
   5 ;; Author: Ralf Angeli <angeli@iwi.uni-sb.de>
   6 ;; Maintainer: auctex-devel@gnu.org
   7 ;; Created: 2005-05-29
   8 ;; Keywords: tex
   9
  10 ;; This file is part of AUCTeX.
  11
  12 ;; AUCTeX is free software; you can redistribute it and/or modify it
  13 ;; under the terms of the GNU General Public License as published by
  14 ;; the Free Software Foundation; either version 3, or (at your option)
  15 ;; any later version.
  16
  17 ;; AUCTeX is distributed in the hope that it will be useful, but
  18 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20 ;; General Public License for more details.
  21
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with AUCTeX; see the file COPYING.  If not, write to the Free
  24 ;; Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  25 ;; 02110-1301, USA.
  26
  27 ;;; Commentary:
  28
  29 ;; This file adds support for `babel.sty'.
  30
  31 ;;; Code:
  32
  33 (defvar LaTeX-babel-language-list
  34   '("acadian" "afrikaans" "american" "austrian""bahasa" "basque" "brazil"
  35     "brazilian" "breton" "british" "bulgarian" "canadian" "canadien"
  36     "catalan" "croatian" "czech" "danish" "dutch" "english" "esperanto"
  37     "estonian" "finnish" "francais" "frenchb" "french" "galician"
  38     "german" "germanb" "greek" "polutonikogreek" "hebrew" "hungarian"
  39     "icelandic" "irish" "italian" "latin" "lowersorbian" "magyar"
  40     "naustrian" "ngerman" "norsk" "samin" "nynorsk" "polish" "portuges"
  41     "portuguese" "romanian" "russian" "scottish" "serbian" "slovak"
  42     "slovene" "spanish" "swedish" "turkish" "ukrainian" "uppersorbian"
  43     "welsh" "UKenglish" "USenglish")
  44   "List of languages supported by the babel LaTeX package.")
  45
  46 (if (fboundp 'defvaralias)
  47     (defvaralias 'LaTeX-babel-package-options 'LaTeX-babel-language-list)
  48   (defvar LaTeX-babel-package-options LaTeX-babel-language-list
  49     "Package options for the babel package."))
  50
  51 (defun LaTeX-babel-active-languages ()
  52   "Return a list of languages used in the document."
  53   (let (active-languages)
  54     (dolist (elt LaTeX-babel-language-list)
  55       (when (member elt TeX-active-styles)
  56         (add-to-list 'active-languages (list elt))))
  57     active-languages))
  58
  59 (defun TeX-arg-babel-lang (optional &optional prompt)
  60   "Prompt for a language with completion and insert it as an argument."
  61   (TeX-argument-insert
  62    (completing-read "Language: " (LaTeX-babel-active-languages)) nil))
  63
  64 (defun LaTeX-env-babel-lang (env)
  65   "Prompt for a language and insert it as an argument of ENV."
  66   (LaTeX-insert-environment
  67    env (format "{%s}" (completing-read "Language: "
  68                                        (LaTeX-babel-active-languages)))))
  69
  70 (TeX-add-style-hook
  71  "babel"
  72  (lambda ()
  73    ;; New symbols
  74    (TeX-add-symbols
  75     '("selectlanguage" TeX-arg-babel-lang)
  76     '("foreignlanguage" TeX-arg-babel-lang t)
  77     "languagename"
  78     '("iflanguage" TeX-arg-babel-lang t nil)
  79     '("useshorthands" t)
  80     '("defineshorthand" t nil)
  81     '("aliasshorthand" t nil)
  82     '("languageshorthands" TeX-arg-babel-lang)
  83     '("shorthandon" t)
  84     '("shorthandoff" t)
  85     '("languageattribute" TeX-arg-babel-lang t))
  86    ;; New environments
  87    (LaTeX-add-environments
  88     '("otherlanguage" LaTeX-env-babel-lang)
  89     '("otherlanguage*" LaTeX-env-babel-lang)
  90     '("hyphenrules" LaTeX-env-babel-lang))
  91    ;; Fontification
  92    (when (and (featurep 'font-latex)
  93               (eq TeX-install-font-lock 'font-latex-setup))
  94      (font-latex-add-keywords '(("selectlanguage" "{")
  95                                 ("foreignlanguage" "{{")
  96                                 ("iflanguage" "{{{")
  97                                 ("languagename" "")
  98                                 ("useshorthands" "{")
  99                                 ("languageshorthands" "{")
 100                                 ("shorthandon" "{")
 101                                 ("shorthandoff" "{"))
 102                               'function)
 103      (font-latex-add-keywords '(("defineshorthand" "{{")
 104                                 ("aliasshorthand" "{{")
 105                                 ("languageattribute" "{{"))
 106                               'variable))))
 107
 108 ;;; babel.el ends here