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116 lines
3.6 KiB
EmacsLisp
116 lines
3.6 KiB
EmacsLisp
;;; score-mode.el --- mode for editing Gnus score files
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;; Copyright (C) 1996, 2001-2019 Free Software Foundation, Inc.
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;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
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;; Keywords: news, mail
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(require 'mm-util) ; for mm-universal-coding-system
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(require 'gnus-util) ; for gnus-pp, gnus-run-mode-hooks
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(defcustom gnus-score-edit-done-hook nil
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"Hook run at the end of closing the score buffer."
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:group 'gnus-score
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:type 'hook)
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(defcustom gnus-score-mode-hook nil
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"Hook run in score mode buffers."
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:group 'gnus-score
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:type 'hook)
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(defcustom gnus-score-menu-hook nil
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"Hook run after creating the score mode menu."
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:group 'gnus-score
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:type 'hook)
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(defvar gnus-score-edit-exit-function nil
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"Function run on exit from the score buffer.")
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(defvar gnus-score-mode-map
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(let ((map (make-sparse-keymap)))
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(set-keymap-parent map emacs-lisp-mode-map)
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(define-key map "\C-c\C-c" 'gnus-score-edit-exit)
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(define-key map "\C-c\C-d" 'gnus-score-edit-insert-date)
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(define-key map "\C-c\C-p" 'gnus-score-pretty-print)
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map))
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(defvar score-mode-syntax-table
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(let ((table (copy-syntax-table lisp-mode-syntax-table)))
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(modify-syntax-entry ?| "w" table)
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table)
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"Syntax table used in score-mode buffers.")
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;; We need this to cope with non-ASCII scoring.
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(defvar score-mode-coding-system mm-universal-coding-system)
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;;;###autoload
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(define-derived-mode gnus-score-mode emacs-lisp-mode "Score"
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"Mode for editing Gnus score files.
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This mode is an extended emacs-lisp mode.
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\\{gnus-score-mode-map}"
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(gnus-score-make-menu-bar)
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(make-local-variable 'gnus-score-edit-exit-function))
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(defun gnus-score-make-menu-bar ()
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(unless (boundp 'gnus-score-menu)
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(easy-menu-define
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gnus-score-menu gnus-score-mode-map ""
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'("Score"
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["Exit" gnus-score-edit-exit t]
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["Insert date" gnus-score-edit-insert-date t]
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["Format" gnus-score-pretty-print t]))
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(run-hooks 'gnus-score-menu-hook)))
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(defun gnus-score-edit-insert-date ()
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"Insert date in numerical format."
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(interactive)
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(princ (time-to-days nil) (current-buffer)))
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(defun gnus-score-pretty-print ()
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"Format the current score file."
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(interactive)
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(goto-char (point-min))
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(let ((form (read (current-buffer))))
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(erase-buffer)
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(let ((emacs-lisp-mode-syntax-table score-mode-syntax-table))
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(gnus-pp form)))
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(goto-char (point-min)))
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(defun gnus-score-edit-exit ()
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"Stop editing the score file."
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(interactive)
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(unless (file-exists-p (file-name-directory (buffer-file-name)))
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(make-directory (file-name-directory (buffer-file-name)) t))
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(let ((coding-system-for-write score-mode-coding-system))
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(save-buffer))
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(bury-buffer (current-buffer))
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(let ((buf (current-buffer)))
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(when gnus-score-edit-exit-function
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(funcall gnus-score-edit-exit-function))
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(when (eq buf (current-buffer))
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(switch-to-buffer (other-buffer (current-buffer))))))
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(provide 'score-mode)
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;;; score-mode.el ends here
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