lisp/gnus/gnus-mh.el

   1 ;;; gnus-mh.el --- mh-e interface for Gnus
   2
   3 ;; Copyright (C) 1994-2017 Free Software Foundation, Inc.
   4
   5 ;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
   6 ;;      Lars Magne Ingebrigtsen <larsi@gnus.org>
   7 ;; Keywords: news
   8
   9 ;; This file is part of GNU Emacs.
  10
  11 ;; GNU Emacs is free software: you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation, either version 3 of the License, or
  14 ;; (at your option) any later version.
  15
  16 ;; GNU Emacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 ;;; Commentary:
  25
  26 ;;; Send mail using mh-e.
  27
  28 ;; The following mh-e interface is all cooperative works of
  29 ;; tanaka@flab.fujitsu.CO.JP (TANAKA Hiroshi), kawabe@sra.CO.JP
  30 ;; (Yoshikatsu Kawabe), and shingu@casund.cpr.canon.co.jp (Toshiaki
  31 ;; SHINGU).
  32
  33 ;;; Code:
  34
  35 (require 'gnus)
  36 (require 'mh-e)
  37 (require 'mh-comp)
  38 (require 'gnus-msg)
  39 (require 'gnus-sum)
  40
  41 (defvar mh-lib-progs)
  42
  43 (defcustom gnus-rcvstore-options nil
  44   "Options that are passed to rcvstore, or nil.
  45 These are used when saving articles to an MH folder."
  46   :version "26.1"
  47   :group 'gnus-article
  48   :type '(repeat string))
  49
  50 (defun gnus-summary-save-article-folder (&optional arg)
  51   "Append the current article to an mh folder.
  52 If N is a positive number, save the N next articles.
  53 If N is a negative number, save the N previous articles.
  54 If N is nil and any articles have been marked with the process mark,
  55 save those articles instead."
  56   (interactive "P")
  57   (require 'gnus-art)
  58   (let ((gnus-default-article-saver 'gnus-summary-save-in-folder))
  59     (gnus-summary-save-article arg)))
  60
  61 (defun gnus-summary-save-in-folder (&optional folder)
  62   "Save this article to MH folder (using `rcvstore' in MH library).
  63 Optional argument FOLDER specifies folder name."
  64   ;; Thanks to yuki@flab.Fujitsu.JUNET and ohm@kaba.junet.
  65   (mh-find-path)
  66   (let ((folder
  67          (cond ((and (eq folder 'default)
  68                      gnus-newsgroup-last-folder)
  69                 gnus-newsgroup-last-folder)
  70                (folder folder)
  71                (t (mh-prompt-for-folder
  72                    "Save article in"
  73                    (funcall gnus-folder-save-name gnus-newsgroup-name
  74                             gnus-current-headers gnus-newsgroup-last-folder)
  75                    t))))
  76         (errbuf (gnus-get-buffer-create " *Gnus rcvstore*"))
  77         ;; Find the rcvstore program.
  78         (exec-path (cond
  79                     ((and (boundp 'mh-lib-progs) mh-lib-progs)
  80                      (cons mh-lib-progs exec-path))
  81                     (mh-lib (cons mh-lib exec-path))
  82                     (t exec-path))))
  83     (with-current-buffer gnus-original-article-buffer
  84       (save-restriction
  85         (widen)
  86         (unwind-protect
  87             (apply
  88              #'call-process-region
  89              (point-min) (point-max) "rcvstore" nil errbuf nil folder
  90              gnus-rcvstore-options)
  91           (set-buffer errbuf)
  92           (if (zerop (buffer-size))
  93               (message "Article saved in folder: %s" folder)
  94             (message "%s" (buffer-string)))
  95           (kill-buffer errbuf))))
  96     (setq gnus-newsgroup-last-folder folder)))
  97
  98 (defun gnus-Folder-save-name (newsgroup headers &optional last-folder)
  99   "Generate folder name from NEWSGROUP, HEADERS, and optional LAST-FOLDER.
 100 If variable `gnus-use-long-file-name' is nil, it is +News.group.
 101 Otherwise, it is like +news/group."
 102   (or last-folder
 103       (concat "+"
 104               (if gnus-use-long-file-name
 105                   (gnus-capitalize-newsgroup newsgroup)
 106                 (gnus-newsgroup-directory-form newsgroup)))))
 107
 108 (defun gnus-folder-save-name (newsgroup headers &optional last-folder)
 109   "Generate folder name from NEWSGROUP, HEADERS, and optional LAST-FOLDER.
 110 If variable `gnus-use-long-file-name' is nil, it is +news.group.
 111 Otherwise, it is like +news/group."
 112   (or last-folder
 113       (concat "+"
 114               (if gnus-use-long-file-name
 115                   newsgroup
 116                 (gnus-newsgroup-directory-form newsgroup)))))
 117
 118 (provide 'gnus-mh)
 119
 120 ;;; gnus-mh.el ends here