Initial revision

lisp/score-mode.el

@@ -0,0 +1,110 @@
+;;; score-mode.el --- mode for editing Gnus score files
+;; Copyright (C) 1996 Free Software Foundation, Inc.
+
+;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
+;; Keywords: news, mail
+
+;; 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 2, 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; see the file COPYING.  If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Commentary:
+
+;;; Code:
+
+(require 'easymenu)
+(require 'timezone)
+(eval-when-compile (require 'cl))
+
+(defvar gnus-score-mode-hook nil
+  "*Hook run in score mode buffers.")
+
+(defvar gnus-score-menu-hook nil
+  "*Hook run after creating the score mode menu.")
+
+(defvar gnus-score-edit-exit-function nil
+  "Function run on exit from the score buffer.")
+
+(defvar gnus-score-mode-map nil)
+(unless gnus-score-mode-map
+  (setq gnus-score-mode-map (copy-keymap emacs-lisp-mode-map))
+  (define-key gnus-score-mode-map "\C-c\C-c" 'gnus-score-edit-exit)
+  (define-key gnus-score-mode-map "\C-c\C-d" 'gnus-score-edit-insert-date)
+  (define-key gnus-score-mode-map "\C-c\C-p" 'gnus-score-pretty-print))
+
+;;;###autoload
+(defun gnus-score-mode ()
+  "Mode for editing Gnus score files.
+This mode is an extended emacs-lisp mode.
+
+\\{gnus-score-mode-map}"
+  (interactive)
+  (kill-all-local-variables)
+  (use-local-map gnus-score-mode-map)
+  (when menu-bar-mode
+    (gnus-score-make-menu-bar))
+  (set-syntax-table emacs-lisp-mode-syntax-table)
+  (setq major-mode 'gnus-score-mode)
+  (setq mode-name "Score")
+  (lisp-mode-variables nil)
+  (make-local-variable 'gnus-score-edit-exit-function)
+  (run-hooks 'emacs-lisp-mode-hook 'gnus-score-mode-hook))
+
+(defun gnus-score-make-menu-bar ()
+  (unless (boundp 'gnus-score-menu)
+    (easy-menu-define
+     gnus-score-menu gnus-score-mode-map ""
+     '("Score"
+       ["Exit" gnus-score-edit-exit t]
+       ["Insert date" gnus-score-edit-insert-date t]
+       ["Format" gnus-score-pretty-print t]))
+    (run-hooks 'gnus-score-menu-hook)))
+
+(defun gnus-score-edit-insert-date ()
+  "Insert date in numerical format."
+  (interactive)
+  (princ (gnus-score-day-number (current-time)) (current-buffer)))
+
+(defun gnus-score-pretty-print ()
+  "Format the current score file."
+  (interactive)
+  (goto-char (point-min))
+  (let ((form (read (current-buffer))))
+    (erase-buffer)
+    (pp form (current-buffer)))
+  (goto-char (point-min)))
+
+(defun gnus-score-edit-exit ()
+  "Stop editing the score file."
+  (interactive)
+  (unless (file-exists-p (file-name-directory (buffer-file-name)))
+    (make-directory (file-name-directory (buffer-file-name)) t))
+  (save-buffer)
+  (bury-buffer (current-buffer))
+  (let ((buf (current-buffer)))
+    (when gnus-score-edit-exit-function
+      (funcall gnus-score-edit-exit-function))
+    (when (eq buf (current-buffer))
+      (switch-to-buffer (other-buffer (current-buffer))))))
+
+(defun gnus-score-day-number (time)
+  (let ((dat (decode-time time)))
+    (timezone-absolute-from-gregorian
+     (nth 4 dat) (nth 3 dat) (nth 5 dat))))
+
+(provide 'score-mode)
+
+;;; score-mode.el ends here