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-;;; subfiles.el --- AUCTeX style for the subfiles package. -*- lexical-binding: t; -*-
-
-;; Copyright (C) 2016, 2018, 2020 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:
-
-(require 'tex)
-(require 'latex)
-
-;; Silence the compiler:
-(declare-function font-latex-add-keywords
- "font-latex"
- (keywords class))
-
-(declare-function reftex-compile-variables
- "reftex"
- ())
-
-(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)
- '("subfileinclude" TeX-arg-file))
-
- ;; Ensure that \subfile and \subfileinclude stay in one line
- (LaTeX-paragraph-commands-add-locally '("subfile" "subfileinclude"))
-
- ;; 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\\(?:include\\)?"
- "{\\(\\.*[^#}%\\\\\\.\n\r]+\\)\\(\\.[^#}%\\\\\\.\n\r]+\\)?}")
- 1 TeX-auto-file))
-
- ;; Tell RefTeX the same thing.
- (when (and (boundp 'reftex-include-file-commands)
- (not (string-match "subfile"
- (mapconcat #'identity
- reftex-include-file-commands
- "|"))))
- (make-local-variable 'reftex-include-file-commands)
- (add-to-list 'reftex-include-file-commands "subfile\\(?:include\\)?" t)
- (reftex-compile-variables))
-
- ;; The following code will fontify \subfile{} and
- ;; \subfileinclude{} like \input.
- (when (and (featurep 'font-latex)
- (eq TeX-install-font-lock 'font-latex-setup))
- (font-latex-add-keywords '(("subfile" "{")
- ("subfileinclude" "{"))
- 'reference)))
- TeX-dialect)
-
-;;; subfiles.el ends here