77 lines
2.4 KiB
EmacsLisp
77 lines
2.4 KiB
EmacsLisp
;;; gnus-rfc1843.el --- HZ (rfc1843) decoding interface functions for Gnus -*- lexical-binding: t; -*-
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;; Copyright (C) 1998-2024 Free Software Foundation, Inc.
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;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
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;; Keywords: news HZ HZ+ mail i18n
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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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;; Usage:
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;; (require 'gnus-rfc1843)
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;; (rfc1843-gnus-setup)
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;;; Code:
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(require 'rfc1843)
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(require 'gnus-sum)
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(require 'gnus-art)
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(require 'message)
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(defun rfc1843-decode-article-body ()
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"Decode HZ encoded text in the article body."
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(if (string-match (concat "\\<\\(" rfc1843-newsgroups-regexp "\\)\\>")
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(or gnus-newsgroup-name ""))
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(save-excursion
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(save-restriction
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(message-narrow-to-head)
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(let* ((case-fold-search t)
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(ct (message-fetch-field "Content-Type" t))
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(ctl (and ct (mail-header-parse-content-type ct))))
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(if (and ctl (not (string-search "/" (car ctl))))
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(setq ctl nil))
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(goto-char (point-max))
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(widen)
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(forward-line 1)
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(narrow-to-region (point) (point-max))
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(when (or (not ctl)
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(equal (car ctl) "text/plain"))
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(rfc1843-decode-region (point) (point-max))))))))
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(defun rfc1843-gnus-setup ()
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"Setup HZ decoding for Gnus."
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(add-hook 'gnus-article-decode-hook #'rfc1843-decode-article-body t)
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(setq gnus-decode-encoded-word-function
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#'gnus-multi-decode-encoded-word-string
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gnus-decode-header-function
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#'gnus-multi-decode-header
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gnus-decode-encoded-word-methods
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(nconc gnus-decode-encoded-word-methods
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(list
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(cons (concat "\\<\\(" rfc1843-newsgroups-regexp "\\)\\>")
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'rfc1843-decode-string)))
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gnus-decode-header-methods
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(nconc gnus-decode-header-methods
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(list
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(cons (concat "\\<\\(" rfc1843-newsgroups-regexp "\\)\\>")
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'rfc1843-decode-region)))))
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(provide 'gnus-rfc1843)
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;;; gnus-rfc1843.el ends here
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