emacs/lisp/gnus/gnus-mh.el

121 lines
4.0 KiB
EmacsLisp

;;; gnus-mh.el --- mh-e interface for Gnus -*- lexical-binding: t; -*-
;; Copyright (C) 1994-2024 Free Software Foundation, Inc.
;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
;; Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
;; 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 <https://www.gnu.org/licenses/>.
;;; Commentary:
;;; Send mail using mh-e.
;; The following mh-e interface is all cooperative works of
;; tanaka@flab.fujitsu.CO.JP (TANAKA Hiroshi), kawabe@sra.CO.JP
;; (Yoshikatsu Kawabe), and shingu@casund.cpr.canon.co.jp (Toshiaki
;; SHINGU).
;;; Code:
(require 'gnus)
(require 'mh-e)
(require 'mh-comp)
(require 'gnus-msg)
(require 'gnus-sum)
(defvar mh-lib-progs)
(defcustom gnus-rcvstore-options nil
"Options that are passed to rcvstore, or nil.
These are used when saving articles to an MH folder."
:version "26.1"
:group 'gnus-article
:type '(repeat string))
(defun gnus-summary-save-article-folder (&optional arg)
"Append the current article to an mh folder.
If N is a positive number, save the N next articles.
If N is a negative number, save the N previous articles.
If N is nil and any articles have been marked with the process mark,
save those articles instead."
(interactive "P" gnus-summary-mode)
(require 'gnus-art)
(let ((gnus-default-article-saver 'gnus-summary-save-in-folder))
(gnus-summary-save-article arg)))
(defun gnus-summary-save-in-folder (&optional folder)
"Save this article to MH folder (using `rcvstore' in MH library).
Optional argument FOLDER specifies folder name."
;; Thanks to yuki@flab.Fujitsu.JUNET and ohm@kaba.junet.
(mh-find-path)
(let ((folder
(cond ((and (eq folder 'default)
gnus-newsgroup-last-folder)
gnus-newsgroup-last-folder)
(folder folder)
(t (mh-prompt-for-folder
"Save article in"
(funcall gnus-folder-save-name gnus-newsgroup-name
gnus-current-headers gnus-newsgroup-last-folder)
t))))
(errbuf (gnus-get-buffer-create " *Gnus rcvstore*"))
;; Find the rcvstore program.
(exec-path (cond
((and (boundp 'mh-lib-progs) mh-lib-progs)
(cons mh-lib-progs exec-path))
(mh-lib (cons mh-lib exec-path))
(t exec-path))))
(with-current-buffer gnus-original-article-buffer
(save-restriction
(widen)
(unwind-protect
(apply
#'call-process-region
(point-min) (point-max) "rcvstore" nil errbuf nil folder
gnus-rcvstore-options)
(set-buffer errbuf)
(if (zerop (buffer-size))
(message "Article saved in folder: %s" folder)
(message "%s" (buffer-string)))
(kill-buffer errbuf))))
(setq gnus-newsgroup-last-folder folder)))
(defun gnus-Folder-save-name (newsgroup _headers &optional last-folder)
"Generate folder name from NEWSGROUP, HEADERS, and optional LAST-FOLDER.
If variable `gnus-use-long-file-name' is nil, it is +News.group.
Otherwise, it is like +news/group."
(or last-folder
(concat "+"
(if gnus-use-long-file-name
(gnus-capitalize-newsgroup newsgroup)
(gnus-newsgroup-directory-form newsgroup)))))
(defun gnus-folder-save-name (newsgroup _headers &optional last-folder)
"Generate folder name from NEWSGROUP, HEADERS, and optional LAST-FOLDER.
If variable `gnus-use-long-file-name' is nil, it is +news.group.
Otherwise, it is like +news/group."
(or last-folder
(concat "+"
(if gnus-use-long-file-name
newsgroup
(gnus-newsgroup-directory-form newsgroup)))))
(provide 'gnus-mh)
;;; gnus-mh.el ends here