| 1 | ;;; score-mode.el --- mode for editing Gnus score files |
| 2 | |
| 3 | ;; Copyright (C) 1996, 2001-2012 Free Software Foundation, Inc. |
| 4 | |
| 5 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> |
| 6 | ;; Keywords: news, mail |
| 7 | |
| 8 | ;; This file is part of GNU Emacs. |
| 9 | |
| 10 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
| 11 | ;; it under the terms of the GNU General Public License as published by |
| 12 | ;; the Free Software Foundation, either version 3 of the License, or |
| 13 | ;; (at your option) any later version. |
| 14 | |
| 15 | ;; GNU Emacs is distributed in the hope that it will be useful, |
| 16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | ;; GNU General Public License for more details. |
| 19 | |
| 20 | ;; You should have received a copy of the GNU General Public License |
| 21 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
| 22 | |
| 23 | ;;; Commentary: |
| 24 | |
| 25 | ;;; Code: |
| 26 | |
| 27 | (eval-when-compile (require 'cl)) |
| 28 | (require 'mm-util) ; for mm-universal-coding-system |
| 29 | (require 'gnus-util) ; for gnus-pp, gnus-run-mode-hooks |
| 30 | |
| 31 | (defvar gnus-score-edit-done-hook nil |
| 32 | "*Hook run at the end of closing the score buffer.") |
| 33 | |
| 34 | (defvar gnus-score-mode-hook nil |
| 35 | "*Hook run in score mode buffers.") |
| 36 | |
| 37 | (defvar gnus-score-menu-hook nil |
| 38 | "*Hook run after creating the score mode menu.") |
| 39 | |
| 40 | (defvar gnus-score-edit-exit-function nil |
| 41 | "Function run on exit from the score buffer.") |
| 42 | |
| 43 | (defvar gnus-score-mode-map nil) |
| 44 | (unless gnus-score-mode-map |
| 45 | (setq gnus-score-mode-map (make-sparse-keymap)) |
| 46 | (set-keymap-parent gnus-score-mode-map emacs-lisp-mode-map) |
| 47 | (define-key gnus-score-mode-map "\C-c\C-c" 'gnus-score-edit-exit) |
| 48 | (define-key gnus-score-mode-map "\C-c\C-d" 'gnus-score-edit-insert-date) |
| 49 | (define-key gnus-score-mode-map "\C-c\C-p" 'gnus-score-pretty-print)) |
| 50 | |
| 51 | (defvar score-mode-syntax-table |
| 52 | (let ((table (copy-syntax-table lisp-mode-syntax-table))) |
| 53 | (modify-syntax-entry ?| "w" table) |
| 54 | table) |
| 55 | "Syntax table used in score-mode buffers.") |
| 56 | |
| 57 | ;; We need this to cope with non-ASCII scoring. |
| 58 | (defvar score-mode-coding-system mm-universal-coding-system) |
| 59 | |
| 60 | ;;;###autoload |
| 61 | (defun gnus-score-mode () |
| 62 | "Mode for editing Gnus score files. |
| 63 | This mode is an extended emacs-lisp mode. |
| 64 | |
| 65 | \\{gnus-score-mode-map}" |
| 66 | (interactive) |
| 67 | (kill-all-local-variables) |
| 68 | (use-local-map gnus-score-mode-map) |
| 69 | (gnus-score-make-menu-bar) |
| 70 | (set-syntax-table score-mode-syntax-table) |
| 71 | (setq major-mode 'gnus-score-mode) |
| 72 | (setq mode-name "Score") |
| 73 | (lisp-mode-variables nil) |
| 74 | (make-local-variable 'gnus-score-edit-exit-function) |
| 75 | (gnus-run-mode-hooks 'emacs-lisp-mode-hook 'gnus-score-mode-hook)) |
| 76 | |
| 77 | (defun gnus-score-make-menu-bar () |
| 78 | (unless (boundp 'gnus-score-menu) |
| 79 | (easy-menu-define |
| 80 | gnus-score-menu gnus-score-mode-map "" |
| 81 | '("Score" |
| 82 | ["Exit" gnus-score-edit-exit t] |
| 83 | ["Insert date" gnus-score-edit-insert-date t] |
| 84 | ["Format" gnus-score-pretty-print t])) |
| 85 | (run-hooks 'gnus-score-menu-hook))) |
| 86 | |
| 87 | (defun gnus-score-edit-insert-date () |
| 88 | "Insert date in numerical format." |
| 89 | (interactive) |
| 90 | (princ (time-to-days (current-time)) (current-buffer))) |
| 91 | |
| 92 | (defun gnus-score-pretty-print () |
| 93 | "Format the current score file." |
| 94 | (interactive) |
| 95 | (goto-char (point-min)) |
| 96 | (let ((form (read (current-buffer)))) |
| 97 | (erase-buffer) |
| 98 | (let ((emacs-lisp-mode-syntax-table score-mode-syntax-table)) |
| 99 | (gnus-pp form))) |
| 100 | (goto-char (point-min))) |
| 101 | |
| 102 | (defun gnus-score-edit-exit () |
| 103 | "Stop editing the score file." |
| 104 | (interactive) |
| 105 | (unless (file-exists-p (file-name-directory (buffer-file-name))) |
| 106 | (make-directory (file-name-directory (buffer-file-name)) t)) |
| 107 | (let ((coding-system-for-write score-mode-coding-system)) |
| 108 | (save-buffer)) |
| 109 | (bury-buffer (current-buffer)) |
| 110 | (let ((buf (current-buffer))) |
| 111 | (when gnus-score-edit-exit-function |
| 112 | (funcall gnus-score-edit-exit-function)) |
| 113 | (when (eq buf (current-buffer)) |
| 114 | (switch-to-buffer (other-buffer (current-buffer)))))) |
| 115 | |
| 116 | (provide 'score-mode) |
| 117 | |
| 118 | ;;; score-mode.el ends here |