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;;; array.el --- AUCTeX style for `array.sty' -*- lexical-binding: t; -*-
;; Copyright (C) 2013-2021 Free Software Foundation, Inc.
;; Author: Mads Jensen <mje@inducks.org>
;; 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 file adds support for `array.sty'
;;; Code:
(require 'tex)
(require 'latex)
;; Silence the compiler:
(declare-function font-latex-add-keywords
"font-latex"
(keywords class))
(TeX-auto-add-type "array-newcolumntype" "LaTeX")
(defvar LaTeX-array-newcolumntype-regexp
'("\\\\newcolumntype{\\([^}]+\\)}"
1 LaTeX-auto-array-newcolumntype)
"Matches the argument of `\\newcolumntype' from `array'
package.")
(defun LaTeX-array-auto-prepare ()
"Clear `LaTeX-auto-array-newcolumntype' before parsing."
(setq LaTeX-auto-array-newcolumntype nil))
(defun LaTeX-array-auto-cleanup ()
"Move parsed column specification from
`LaTeX-auto-array-newcolumntype' to `LaTeX-array-column-letters'."
(when (LaTeX-array-newcolumntype-list)
(LaTeX-array-update-column-letters)))
(defun LaTeX-array-update-column-letters ()
"Update and uniquify the value of `LaTeX-array-column-letters'
and make it buffer local. "
(set (make-local-variable 'LaTeX-array-column-letters)
(mapconcat #'identity
(TeX-delete-duplicate-strings
(split-string
(concat LaTeX-array-column-letters
(mapconcat #'car (LaTeX-array-newcolumntype-list) ""))
"" t))
"")))
(add-hook 'TeX-auto-prepare-hook #'LaTeX-array-auto-prepare t)
(add-hook 'TeX-auto-cleanup-hook #'LaTeX-array-auto-cleanup t)
(add-hook 'TeX-update-style-hook #'TeX-auto-parse t)
(TeX-add-style-hook
"array"
(lambda ()
(TeX-auto-add-regexp LaTeX-array-newcolumntype-regexp)
(TeX-add-symbols
'("newcolumntype"
(TeX-arg-eval
(lambda ()
(let ((col (TeX-read-string "Column type: ")))
(LaTeX-add-array-newcolumntypes col)
(LaTeX-array-update-column-letters)
(format "%s" col))))
[ "Number of arguments" ] t)
'("showcols" 0)
'("firsthline" 0)
'("lasthline" 0))
;; `array.sty' adds a couple of new lengths. They're added here, rather than
;; in the `TeX-add-symbols' block.
(LaTeX-add-lengths "extratabsurround" "extrarowheight")
;; `array.sty' adds some new column specification letters.
(set (make-local-variable 'LaTeX-array-column-letters)
(concat LaTeX-array-column-letters "m" "b" "w" "W"))
;; Fontification
(when (and (featurep 'font-latex)
(eq TeX-install-font-lock 'font-latex-setup))
(font-latex-add-keywords '(("newcolumntype" "{[{"))
'function)))
TeX-dialect)
(defvar LaTeX-array-package-options nil
"Package options for array.")
;; array.el ends here
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