--- /dev/null
+;;; sieve-mode.el --- Sieve code editing commands for Emacs
+
+;; Copyright (C) 2001-2016 Free Software Foundation, Inc.
+
+;; Author: Simon Josefsson <simon@josefsson.org>
+
+;; This file is part of GNU Emacs.
+
+;; 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.
+
+;; 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 GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; This file contain editing mode functions and font-lock support for
+;; editing Sieve scripts. It sets up C-mode with support for
+;; sieve-style #-comments and a lightly hacked syntax table. It was
+;; strongly influenced by awk-mode.el.
+;;
+;; Put something similar to the following in your .emacs to use this file:
+;;
+;; (load "~/lisp/sieve")
+;; (setq auto-mode-alist (cons '("\\.siv\\'" . sieve-mode) auto-mode-alist))
+;;
+;; References:
+;;
+;; RFC 3028,
+;; "Sieve: A Mail Filtering Language",
+;; by Tim Showalter.
+;;
+;; Release history:
+;;
+;; 2001-03-02 version 1.0 posted to gnu.emacs.sources
+;; version 1.1 change file extension into ".siv" (official one)
+;; added keymap and menubar to hook into sieve-manage
+;; 2001-10-31 version 1.2 committed to Oort Gnus
+
+;;; Code:
+
+(autoload 'sieve-manage "sieve")
+(autoload 'sieve-upload "sieve")
+(eval-when-compile
+ (require 'font-lock))
+
+(defgroup sieve nil
+ "Sieve."
+ :group 'languages)
+
+(defcustom sieve-mode-hook nil
+ "Hook run in sieve mode buffers."
+ :group 'sieve
+ :type 'hook)
+
+;; Font-lock
+
+(defvar sieve-control-commands-face 'sieve-control-commands
+ "Face name used for Sieve Control Commands.")
+
+(defface sieve-control-commands
+ '((((type tty) (class color)) (:foreground "blue" :weight light))
+ (((class grayscale) (background light)) (:foreground "LightGray" :bold t))
+ (((class grayscale) (background dark)) (:foreground "DimGray" :bold t))
+ (((class color) (background light)) (:foreground "Orchid"))
+ (((class color) (background dark)) (:foreground "LightSteelBlue"))
+ (t (:bold t)))
+ "Face used for Sieve Control Commands."
+ :group 'sieve)
+;; backward-compatibility alias
+(put 'sieve-control-commands-face 'face-alias 'sieve-control-commands)
+(put 'sieve-control-commands-face 'obsolete-face "22.1")
+
+(defvar sieve-action-commands-face 'sieve-action-commands
+ "Face name used for Sieve Action Commands.")
+
+(defface sieve-action-commands
+ '((((type tty) (class color)) (:foreground "blue" :weight bold))
+ (((class color) (background light)) (:foreground "Blue"))
+ (((class color) (background dark)) (:foreground "LightSkyBlue"))
+ (t (:inverse-video t :bold t)))
+ "Face used for Sieve Action Commands."
+ :group 'sieve)
+;; backward-compatibility alias
+(put 'sieve-action-commands-face 'face-alias 'sieve-action-commands)
+(put 'sieve-action-commands-face 'obsolete-face "22.1")
+
+(defvar sieve-test-commands-face 'sieve-test-commands
+ "Face name used for Sieve Test Commands.")
+
+(defface sieve-test-commands
+ '((((type tty) (class color)) (:foreground "magenta"))
+ (((class grayscale) (background light))
+ (:foreground "LightGray" :bold t :underline t))
+ (((class grayscale) (background dark))
+ (:foreground "Gray50" :bold t :underline t))
+ (((class color) (background light)) (:foreground "CadetBlue"))
+ (((class color) (background dark)) (:foreground "Aquamarine"))
+ (t (:bold t :underline t)))
+ "Face used for Sieve Test Commands."
+ :group 'sieve)
+;; backward-compatibility alias
+(put 'sieve-test-commands-face 'face-alias 'sieve-test-commands)
+(put 'sieve-test-commands-face 'obsolete-face "22.1")
+
+(defvar sieve-tagged-arguments-face 'sieve-tagged-arguments
+ "Face name used for Sieve Tagged Arguments.")
+
+(defface sieve-tagged-arguments
+ '((((type tty) (class color)) (:foreground "cyan" :weight bold))
+ (((class grayscale) (background light)) (:foreground "LightGray" :bold t))
+ (((class grayscale) (background dark)) (:foreground "DimGray" :bold t))
+ (((class color) (background light)) (:foreground "Purple"))
+ (((class color) (background dark)) (:foreground "Cyan"))
+ (t (:bold t)))
+ "Face used for Sieve Tagged Arguments."
+ :group 'sieve)
+;; backward-compatibility alias
+(put 'sieve-tagged-arguments-face 'face-alias 'sieve-tagged-arguments)
+(put 'sieve-tagged-arguments-face 'obsolete-face "22.1")
+
+
+(defconst sieve-font-lock-keywords
+ (eval-when-compile
+ (list
+ ;; control commands
+ (cons (regexp-opt '("require" "if" "else" "elsif" "stop")
+ 'words)
+ 'sieve-control-commands-face)
+ ;; action commands
+ (cons (regexp-opt '("fileinto" "redirect" "reject" "keep" "discard")
+ 'words)
+ 'sieve-action-commands-face)
+ ;; test commands
+ (cons (regexp-opt '("address" "allof" "anyof" "exists" "false"
+ "true" "header" "not" "size" "envelope"
+ "body")
+ 'words)
+ 'sieve-test-commands-face)
+ (cons "\\Sw+:\\sw+"
+ 'sieve-tagged-arguments-face))))
+
+;; Syntax table
+
+(defvar sieve-mode-syntax-table nil
+ "Syntax table in use in sieve-mode buffers.")
+
+(if sieve-mode-syntax-table
+ ()
+ (setq sieve-mode-syntax-table (make-syntax-table))
+ (modify-syntax-entry ?\\ "\\" sieve-mode-syntax-table)
+ (modify-syntax-entry ?\n "> " sieve-mode-syntax-table)
+ (modify-syntax-entry ?\f "> " sieve-mode-syntax-table)
+ (modify-syntax-entry ?\# "< " sieve-mode-syntax-table)
+ (modify-syntax-entry ?/ "." sieve-mode-syntax-table)
+ (modify-syntax-entry ?* "." sieve-mode-syntax-table)
+ (modify-syntax-entry ?+ "." sieve-mode-syntax-table)
+ (modify-syntax-entry ?- "." sieve-mode-syntax-table)
+ (modify-syntax-entry ?= "." sieve-mode-syntax-table)
+ (modify-syntax-entry ?% "." sieve-mode-syntax-table)
+ (modify-syntax-entry ?< "." sieve-mode-syntax-table)
+ (modify-syntax-entry ?> "." sieve-mode-syntax-table)
+ (modify-syntax-entry ?& "." sieve-mode-syntax-table)
+ (modify-syntax-entry ?| "." sieve-mode-syntax-table)
+ (modify-syntax-entry ?_ "_" sieve-mode-syntax-table)
+ (modify-syntax-entry ?\' "\"" sieve-mode-syntax-table))
+
+;; Key map definition
+
+(defvar sieve-mode-map
+ (let ((map (make-sparse-keymap)))
+ (define-key map "\C-c\C-l" 'sieve-upload)
+ (define-key map "\C-c\C-c" 'sieve-upload-and-kill)
+ (define-key map "\C-c\C-m" 'sieve-manage)
+ map)
+ "Key map used in sieve mode.")
+
+;; Menu definition
+
+(defvar sieve-mode-menu nil
+ "Menubar used in sieve mode.")
+
+;; Code for Sieve editing mode.
+(autoload 'easy-menu-add-item "easymenu")
+
+;;;###autoload
+(define-derived-mode sieve-mode c-mode "Sieve"
+ "Major mode for editing Sieve code.
+This is much like C mode except for the syntax of comments. Its keymap
+inherits from C mode's and it has the same variables for customizing
+indentation. It has its own abbrev table and its own syntax table.
+
+Turning on Sieve mode runs `sieve-mode-hook'."
+ (set (make-local-variable 'paragraph-start) (concat "$\\|" page-delimiter))
+ (set (make-local-variable 'paragraph-separate) paragraph-start)
+ (set (make-local-variable 'comment-start) "#")
+ (set (make-local-variable 'comment-end) "")
+ ;;(set (make-local-variable 'comment-start-skip) "\\(^\\|\\s-\\);?#+ *")
+ (set (make-local-variable 'comment-start-skip) "#+ *")
+ (unless (featurep 'xemacs)
+ (set (make-local-variable 'font-lock-defaults)
+ '(sieve-font-lock-keywords nil nil ((?_ . "w")))))
+ (easy-menu-add-item nil nil sieve-mode-menu))
+
+;; Menu
+
+(easy-menu-define sieve-mode-menu sieve-mode-map
+ "Sieve Menu."
+ '("Sieve"
+ ["Upload script" sieve-upload t]
+ ["Manage scripts on server" sieve-manage t]))
+
+(provide 'sieve-mode)
+
+;; sieve-mode.el ends here
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