[elpa] externals/auctex 7a1ebbf 08/27: Add support for algorithm style

[Tassilo Horn]

branch: externals/auctex
commit 7a1ebbf331be4961605a388a6a9157d9b4be32bc
Author: Uwe Brauer <oub@mat.ucm.es>
Commit: Tassilo Horn <tsdh@gnu.org>

    Add support for algorithm style
    
    * Makefile.in (STYLESRC): Add algorithm style
    
    * style/algorithm.el: Add support for the algorithm style
---
 Makefile.in        |  2 +-
 style/algorithm.el | 80 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 81 insertions(+), 1 deletion(-)

diff --git a/Makefile.in b/Makefile.in
index 6e599c3..d84d04a 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -172,7 +172,7 @@ STYLESRC = style/prosper.el \
           style/changelog.el style/ltugboat.el  style/beamerswitch.el \
           style/multitoc.el  style/fbox.el      style/xkcdcolors.el \
           style/ltxguide.el  style/revtex4-2.el style/overpic.el \
-          style/tex-live.el
+          style/tex-live.el  style/algorithm.el
 
 STYLEELC = $(STYLESRC:.el=.elc)
 
diff --git a/style/algorithm.el b/style/algorithm.el
new file mode 100644
index 0000000..8004002
--- /dev/null
+++ b/style/algorithm.el
@@ -0,0 +1,80 @@
+;;; algorithm.el --- AUCTeX style for the (LaTeX) algorithm package
+
+;; Copyright (C) 2020 Free Software Foundation, Inc.
+
+;; Author: Uwe Brauer <oub@mat.ucm.es>
+;; Created: 2020-01-26
+;; 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 the algorithm package.
+
+;;; Code:
+
+(defvar LaTeX-algorithm-package-options
+  '("section")
+  "Package options for the algorithm package.")
+
+
+(defun LaTeX-env-algorithm (environment)
+  "Insert a algorithm-like ENVIRONMENT with caption and label."
+  (let* ((pos (completing-read (TeX-argument-prompt t nil "Position")
+                              '(("H"))))
+        (caption (TeX-read-string "Caption: "))
+        (short-caption (when (>= (length caption) 
LaTeX-short-caption-prompt-length)
+                         (TeX-read-string "(Optional) Short caption: "))))
+    (LaTeX-insert-environment environment
+                             (concat
+                              (unless (zerop (length pos))
+                                (concat LaTeX-optop pos LaTeX-optcl))))
+    ;; top caption -- do nothing if user skips caption
+    (unless (zerop (length caption))
+      ;; insert `\caption[short-caption]{caption':
+      (insert TeX-esc "caption")
+      (when (and short-caption (not (string= short-caption "")))
+       (insert LaTeX-optop short-caption LaTeX-optcl))
+      (insert TeX-grop caption)
+      ;; ask for a label and insert it
+;      (LaTeX-label environment 'environment)
+      ;; the longtable `\caption' is equivalent to a
+      ;; `\multicolumn', so it needs a `\\' at the
+      ;; end of the line.  Prior to that, add } to
+      ;; close `\caption{'
+      (insert TeX-grcl "")
+      ;; fill the caption
+      (LaTeX-fill-paragraph)
+      ;; Insert a new line and indent
+      (LaTeX-newline)
+      (LaTeX-label environment 'environment)
+      (LaTeX-newline)
+      (indent-according-to-mode))))
+
+
+(TeX-add-style-hook
+ "algorithm"
+ (lambda ()
+   (LaTeX-add-environments
+    '("algorithm"  LaTeX-env-algorithm ))
+   (TeX-add-symbols
+    '("listofalgorithms" 0))
+      LaTeX-dialect))
+
+
+;;; algorithm.el ends here