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;;; alphanum.el --- AUCTeX style for `alphanum.sty' -*- lexical-binding: t; -*-
;; Copyright (C) 2004, 2018, 2020 Free Software Foundation, Inc.
;; Author: Frank Küster <frank@kuesterei.ch>
;; Maintainer: auctex-devel@gnu.org
;; Keywords: tex
;; This file is part of AUCTeX.
;; AUCTeX 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, or (at your option)
;; any later version.
;; AUCTeX 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 AUCTeX; see the file COPYING. If not, write to the Free
;; Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
;; 02110-1301, USA.
;;; Commentary:
;; This is file alphanum.el, which makes AUCTeX usable with jura.cls
;; and its style file alphanum.sty.
;;
;; Contributed by Frank Küster <frank@kuesterei.ch>. The code for
;; reftex has been written by Carsten Dominik, the maintainer of
;; reftex, but all the errors are mine.
;;; Code:
(require 'tex)
(require 'latex)
;; Silence the compiler:
(declare-function reftex-match-string "reftex" (n))
(defvar reftex-section-regexp)
(defun reftex-get-section-level-alphanum ()
(save-excursion ; preserve position
(save-match-data ; preserve matching data (important!)
;; Go back to the beginning of the sectioning command
(goto-char (match-beginning 0))
;; Define an initial level number, depending on the current macro.
(let* ((macro (reftex-match-string 3)) ; "toc" or "sub"
(lev (cond ((string= macro "toc") 1) ; min level for "toc"
((string= macro "sub") 2) ; min level for "sub"
(t 0)))
;; Make a regular expression which will match sectioning commands
;; and the levelup macro.
(re (concat "\\(^[^%]*\\\\levelup\\>\\)"
"\\|"
"\\(" reftex-section-regexp "\\)")))
;; Now parse backwards for all sectioning and levelup macros,
;; and keep track of the relative level changes.
(while (re-search-backward re nil t)
(cond
((match-beginning 1)
;; levelup matched, reduce level counter
(setq lev (1- lev)))
((string= (reftex-match-string 4) "toc")
;; a toc entry, nothing changes
)
((string= (reftex-match-string 4) "sub")
;; a sub entry, increase level counter
(setq lev (1+ lev)))))
;; return the level
lev))))
(TeX-add-style-hook
"alphanum"
(lambda ()
(LaTeX-largest-level-set "chapter")
(TeX-add-symbols
'("levelup" (TeX-arg-literal " ")))
(make-local-variable 'LaTeX-section-list)
(LaTeX-section-list-add-locally
'(("part" 0)
;; the levels don't make sense with alphanum, I randomly chose 0...
("toc" 0)
("sub" 0))
t)
(setq LaTeX-section-label
'(("part" . "part:")
("toc" . "sec:")
("sub" . "sec:")))
;;
;; ****************** reftex part ******************
;; this won't work in multifile documents, but at least there is
;; something.
(if (fboundp 'reftex-add-section-levels)
(reftex-add-section-levels
'(("toc" . reftex-get-section-level-alphanum)
("sub" . reftex-get-section-level-alphanum)))))
TeX-dialect)
;; Local Variables:
;; coding: utf-8
;; End:
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