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elpa/auctex-11.91.0/style/subfiles.el

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+;;; subfiles.el --- AUCTeX style for the subfiles package.
+
+;; Copyright (C) 2016 Free Software Foundation, Inc.
+
+;; Author: Uwe Brauer <oub@mat.ucm.es>
+;; Created: 07 Nov 2016
+;; 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.
+
+;; Acknowledgements
+;; Mosè Giordano <mose@gnu.org>
+;; Arash Esbati <arash@gnu.org>
+
+;;; Commentary:
+
+;; This file adds support for the subfiles package.
+
+;;; Code:
+
+(defvar LaTeX-subfiles-package-options nil
+  "Package options for the subfiles package.")
+
+(defun LaTeX-subfiles-class-options ()
+  "Return name of the main file relative to current subfile."
+  (file-relative-name
+   (read-file-name
+    "Main file: " nil nil nil nil
+    (lambda (texfiles)
+      (string-match "\\.tex$" texfiles)))
+   (TeX-master-directory)))
+
+(TeX-add-style-hook
+ "subfiles"
+ (lambda ()
+
+   ;; The following code will run `TeX-run-style-hooks' on the subfile
+   ;; master file.  Thanks to Mosè Giordano <mose@gnu.org> for
+   ;; presenting a better solution using `assoc'.
+   (let ((master-file (cadr (assoc "subfiles" LaTeX-provided-class-options))))
+     (when (stringp master-file)
+       (TeX-run-style-hooks
+	(file-name-sans-extension master-file))))
+
+   (TeX-add-symbols
+    '("subfile" TeX-arg-file))
+
+   ;; Ensure that \subfile stays in one line
+   (LaTeX-paragraph-commands-add-locally "subfile")
+
+   ;; Tell AUCTeX that \subfile loads a file.  regexp is the same as
+   ;; for \input or \include.  This will run `TeX-run-style-hooks' on
+   ;; subfile(s) when master file is loaded.
+   (TeX-auto-add-regexp
+    `(,(concat
+	"\\\\subfile"
+	"{\\(\\.*[^#}%\\\\\\.\n\r]+\\)\\(\\.[^#}%\\\\\\.\n\r]+\\)?}")
+      1 TeX-auto-file))
+
+   ;; Tell RefTeX the same thing.
+   (when (and (boundp 'reftex-include-file-commands)
+	      (not (member "subfile" reftex-include-file-commands)))
+     (add-to-list 'reftex-include-file-commands "subfile" t)
+     (reftex-compile-variables))
+
+   ;; The following code will fontify `\subfile{}' like \input.
+   (when (and (featurep 'font-latex)
+	      (eq TeX-install-font-lock 'font-latex-setup))
+     (font-latex-add-keywords '(("subfile" "{"))
+			      'reference)))
+ LaTeX-dialect)
+
+;;; subfiles.el ends here