;;; dns-mode.el --- a mode for viewing/editing Domain Name System master files
-;; Copyright (c) 2000, 2001, 2003, 2004 Free Software Foundation, Inc.
+
+;; Copyright (C) 2000-2001, 2004-2016 Free Software Foundation, Inc.
;; Author: Simon Josefsson <simon@josefsson.org>
-;; Keywords: DNS master zone file SOA
+;; Keywords: DNS master zone file SOA comm
-;; This file is not part of GNU Emacs.
+;; This file is part of GNU Emacs.
-;; This file 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 2, or (at your
-;; option) any later version.
+;; GNU Emacs 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 of the License, or
+;; (at your option) any later version.
-;; This file 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.
+;; GNU Emacs 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 This file; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; C-c C-s Increment SOA serial.
;; Understands YYYYMMDDNN, Unix time, and serial number formats,
;; and complains if it fail to find SOA serial.
-;;
-;; Put something similar to the following in your ~/.emacs to use this file:
-;;
-;; (load "~/path/to/dns-mode.el")
-;; (setq auto-mode-alist (cons '("\\.soa\\'" . dns-mode) auto-mode-alist))
;;; References:
;;; Release history:
-;; 2004-09-11 posted on gnu.emacs.sources
+;; 2004-09-11 Posted on gnu.emacs.sources.
+;; 2004-09-13 Ported to XEmacs.
+;; 2004-09-14 Installed in Emacs CVS.
;;; Code:
(defgroup dns-mode nil
- "DNS master file mode configuration.")
+ "DNS master file mode configuration."
+ :group 'data)
(defconst dns-mode-classes '("IN" "CS" "CH" "HS")
"List of strings with known DNS classes.")
"Name of face used for DNS classes, e.g., IN.")
(defcustom dns-mode-font-lock-keywords
- `(("^$ORIGIN" 0 dns-mode-control-entity-face)
- ("^$INCLUDE" 0 dns-mode-control-entity-face)
- ("^$[a-z0-9A-Z]+" 0 dns-mode-bad-control-entity-face)
- (,(regexp-opt dns-mode-classes) 0 dns-mode-class-face)
- (,(regexp-opt dns-mode-types) 0 dns-mode-type-face))
+ `(("^$ORIGIN" 0 ,dns-mode-control-entity-face)
+ ("^$INCLUDE" 0 ,dns-mode-control-entity-face)
+ ("^$[a-z0-9A-Z]+" 0 ,dns-mode-bad-control-entity-face)
+ (,(regexp-opt dns-mode-classes) 0 ,dns-mode-class-face)
+ (,(regexp-opt dns-mode-types) 0 ,dns-mode-type-face))
"Font lock keywords used to highlight text in DNS master file mode."
:type 'sexp
:group 'dns-mode)
+(defcustom dns-mode-soa-auto-increment-serial t
+ "Whether to increment the SOA serial number automatically.
+
+If this variable is t, the serial number is incremented upon each save of
+the file. If it is `ask', Emacs asks for confirmation whether it should
+increment the serial upon saving. If nil, serials must be incremented
+manually with \\[dns-mode-soa-increment-serial]."
+ :type '(choice (const :tag "Always" t)
+ (const :tag "Ask" ask)
+ (const :tag "Never" nil))
+ :group 'dns-mode)
+
;; Syntax table.
(defvar dns-mode-syntax-table
(unless (featurep 'xemacs)
(set (make-local-variable 'font-lock-defaults)
'(dns-mode-font-lock-keywords nil nil ((?_ . "w")))))
- (easy-menu-add-item nil nil dns-mode-menu))
+ (add-hook 'before-save-hook 'dns-mode-soa-maybe-increment-serial
+ nil t)
+ (easy-menu-add dns-mode-menu dns-mode-map))
+
+;;;###autoload (defalias 'zone-mode 'dns-mode)
;; Tools.
(message "Replaced old serial %s with %s" serial new))
(error "Cannot locate serial number in SOA record"))))))
+(defun dns-mode-soa-maybe-increment-serial ()
+ "Increment SOA serial if needed.
+
+This function is run from `before-save-hook'."
+ (when (and (buffer-modified-p)
+ dns-mode-soa-auto-increment-serial
+ (or (eq dns-mode-soa-auto-increment-serial t)
+ (y-or-n-p "Increment SOA serial? ")))
+ ;; If `dns-mode-soa-increment-serial' signals an error saving will
+ ;; fail but that probably means that the serial should be fixed to
+ ;; comply with the RFC anyway! -rfr
+ (progn (dns-mode-soa-increment-serial)
+ ;; We return nil in case this is used in write-contents-functions.
+ nil)))
+
(provide 'dns-mode)
;;; dns-mode.el ends here
projects / gnus / blobdiff