2019-03-01 19:01:32 -05:00
|
|
|
|
;;; ol-gnus.el --- Links to Gnus Groups and Messages -*- lexical-binding: t; -*-
|
2008-03-14 13:22:03 -04:00
|
|
|
|
|
2021-01-01 14:55:31 -05:00
|
|
|
|
;; Copyright (C) 2004-2021 Free Software Foundation, Inc.
|
2008-03-14 13:22:03 -04:00
|
|
|
|
|
|
|
|
|
;; Author: Carsten Dominik <carsten at orgmode dot org>
|
2008-11-19 06:22:43 -05:00
|
|
|
|
;; Tassilo Horn <tassilo at member dot fsf dot org>
|
2008-03-14 13:22:03 -04:00
|
|
|
|
;; Keywords: outlines, hypermedia, calendar, wp
|
2018-01-16 11:22:00 -05:00
|
|
|
|
;; Homepage: https://orgmode.org
|
2008-03-14 13:22:03 -04:00
|
|
|
|
;;
|
|
|
|
|
;; This file is part of GNU Emacs.
|
|
|
|
|
;;
|
2008-05-06 08:45:52 -04:00
|
|
|
|
;; GNU Emacs is free software: you can redistribute it and/or modify
|
2008-03-14 13:22:03 -04:00
|
|
|
|
;; it under the terms of the GNU General Public License as published by
|
2008-05-06 08:45:52 -04:00
|
|
|
|
;; the Free Software Foundation, either version 3 of the License, or
|
|
|
|
|
;; (at your option) any later version.
|
2008-03-14 13:22:03 -04:00
|
|
|
|
|
|
|
|
|
;; 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
|
2017-09-13 18:52:52 -04:00
|
|
|
|
;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
|
2008-03-14 13:22:03 -04:00
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
|
;;
|
|
|
|
|
;;; Commentary:
|
|
|
|
|
|
2016-10-11 12:00:08 -04:00
|
|
|
|
;; This file implements links to Gnus groups and messages from within Org.
|
2016-08-23 16:13:56 -04:00
|
|
|
|
;; Org mode loads this module by default - if this is not what you want,
|
2008-03-14 13:22:03 -04:00
|
|
|
|
;; configure the variable `org-modules'.
|
|
|
|
|
|
2008-03-21 12:10:23 -04:00
|
|
|
|
;;; Code:
|
|
|
|
|
|
2017-12-03 10:22:45 -05:00
|
|
|
|
(require 'gnus-sum)
|
2012-09-06 13:54:28 -04:00
|
|
|
|
(require 'gnus-util)
|
2017-12-03 10:22:45 -05:00
|
|
|
|
(require 'nnheader)
|
2020-09-07 23:17:30 -04:00
|
|
|
|
(or (require 'nnselect nil t) ; Emacs >= 28
|
|
|
|
|
(require 'nnir nil t)) ; Emacs < 28
|
2018-11-26 18:04:41 -05:00
|
|
|
|
(require 'ol)
|
2008-03-14 13:22:03 -04:00
|
|
|
|
|
2017-06-05 08:30:45 -04:00
|
|
|
|
|
|
|
|
|
;;; Declare external functions and variables
|
2014-06-13 06:26:10 -04:00
|
|
|
|
|
2017-12-03 10:22:45 -05:00
|
|
|
|
(declare-function gnus-activate-group "gnus-start" (group &optional scan dont-check method dont-sub-check))
|
|
|
|
|
(declare-function gnus-find-method-for-group "gnus" (group &optional info))
|
2018-03-03 17:31:25 -05:00
|
|
|
|
(declare-function gnus-article-show-summary "gnus-art" ())
|
2017-12-03 10:22:45 -05:00
|
|
|
|
(declare-function gnus-group-group-name "gnus-group")
|
|
|
|
|
(declare-function gnus-group-jump-to-group "gnus-group" (group &optional prompt))
|
|
|
|
|
(declare-function gnus-group-read-group "gnus-group" (&optional all no-article group select-articles))
|
2009-09-07 11:40:58 -04:00
|
|
|
|
(declare-function message-fetch-field "message" (header &optional not-all))
|
2017-12-03 10:22:45 -05:00
|
|
|
|
(declare-function message-generate-headers "message" (headers))
|
|
|
|
|
(declare-function message-narrow-to-headers "message")
|
|
|
|
|
(declare-function message-tokenize-header "message" (header &optional separator))
|
|
|
|
|
(declare-function message-unquote-tokens "message" (elems))
|
2014-06-13 06:26:10 -04:00
|
|
|
|
(declare-function nnvirtual-map-article "nnvirtual" (article))
|
|
|
|
|
|
2017-12-03 10:22:45 -05:00
|
|
|
|
(defvar gnus-newsgroup-name)
|
|
|
|
|
(defvar gnus-summary-buffer)
|
|
|
|
|
(defvar gnus-other-frame-object)
|
|
|
|
|
|
2017-06-05 08:30:45 -04:00
|
|
|
|
|
|
|
|
|
;;; Customization variables
|
2008-03-14 13:22:03 -04:00
|
|
|
|
|
2008-11-19 06:22:43 -05:00
|
|
|
|
(defcustom org-gnus-prefer-web-links nil
|
2020-02-12 03:57:43 -05:00
|
|
|
|
"If non-nil, `org-store-link' creates web links to Google groups.
|
2016-10-15 11:36:47 -04:00
|
|
|
|
\\<org-mode-map>When nil, Gnus will be used for such links.
|
|
|
|
|
Using a prefix argument to the command `\\[org-store-link]' (`org-store-link')
|
2008-03-14 13:22:03 -04:00
|
|
|
|
negates this setting for the duration of the command."
|
|
|
|
|
:group 'org-link-store
|
|
|
|
|
:type 'boolean)
|
|
|
|
|
|
2012-09-25 05:55:26 -04:00
|
|
|
|
(defcustom org-gnus-no-server nil
|
|
|
|
|
"Should Gnus be started using `gnus-no-server'?"
|
|
|
|
|
:group 'org-gnus
|
2013-02-26 12:21:28 -05:00
|
|
|
|
:version "24.4"
|
|
|
|
|
:package-version '(Org . "8.0")
|
2012-09-25 05:55:26 -04:00
|
|
|
|
:type 'boolean)
|
|
|
|
|
|
2017-06-05 08:30:45 -04:00
|
|
|
|
|
|
|
|
|
;;; Install the link type
|
2008-03-14 13:22:03 -04:00
|
|
|
|
|
2017-06-05 08:30:45 -04:00
|
|
|
|
(org-link-set-parameters "gnus"
|
|
|
|
|
:follow #'org-gnus-open
|
|
|
|
|
:store #'org-gnus-store-link)
|
|
|
|
|
|
|
|
|
|
;;; Implementation
|
2008-11-19 06:22:43 -05:00
|
|
|
|
|
|
|
|
|
(defun org-gnus-group-link (group)
|
2008-11-20 08:22:46 -05:00
|
|
|
|
"Create a link to the Gnus group GROUP.
|
|
|
|
|
If GROUP is a newsgroup and `org-gnus-prefer-web-links' is
|
2020-02-12 03:57:43 -05:00
|
|
|
|
non-nil, create a link to groups.google.com. Otherwise create a
|
|
|
|
|
link to the group inside Gnus.
|
2008-11-20 08:22:46 -05:00
|
|
|
|
|
|
|
|
|
If `org-store-link' was called with a prefix arg the meaning of
|
|
|
|
|
`org-gnus-prefer-web-links' is reversed."
|
2008-11-19 06:22:43 -05:00
|
|
|
|
(let ((unprefixed-group (replace-regexp-in-string "^[^:]+:" "" group)))
|
2016-09-02 21:05:10 -04:00
|
|
|
|
(if (and (string-prefix-p "nntp" group) ;; Only for nntp groups
|
2008-11-19 06:22:43 -05:00
|
|
|
|
(org-xor current-prefix-arg
|
|
|
|
|
org-gnus-prefer-web-links))
|
2020-02-12 03:57:43 -05:00
|
|
|
|
(concat "https://groups.google.com/group/" unprefixed-group)
|
2012-08-03 13:03:21 -04:00
|
|
|
|
(concat "gnus:" group))))
|
2008-11-19 06:22:43 -05:00
|
|
|
|
|
|
|
|
|
(defun org-gnus-article-link (group newsgroups message-id x-no-archive)
|
2008-11-20 08:22:46 -05:00
|
|
|
|
"Create a link to a Gnus article.
|
2018-11-26 18:04:41 -05:00
|
|
|
|
|
2008-11-20 08:22:46 -05:00
|
|
|
|
The article is specified by its MESSAGE-ID. Additional
|
|
|
|
|
parameters are the Gnus GROUP, the NEWSGROUPS the article was
|
|
|
|
|
posted to and the X-NO-ARCHIVE header value of that article.
|
|
|
|
|
|
|
|
|
|
If GROUP is a newsgroup and `org-gnus-prefer-web-links' is
|
2020-02-12 03:57:43 -05:00
|
|
|
|
non-nil, create a link to groups.google.com.
|
2008-11-20 08:22:46 -05:00
|
|
|
|
Otherwise create a link to the article inside Gnus.
|
|
|
|
|
|
|
|
|
|
If `org-store-link' was called with a prefix arg the meaning of
|
|
|
|
|
`org-gnus-prefer-web-links' is reversed."
|
2008-11-19 06:22:43 -05:00
|
|
|
|
(if (and (org-xor current-prefix-arg org-gnus-prefer-web-links)
|
2018-11-26 18:04:41 -05:00
|
|
|
|
newsgroups ;make web links only for nntp groups
|
|
|
|
|
(not x-no-archive)) ;and if X-No-Archive isn't set
|
2020-02-12 03:57:43 -05:00
|
|
|
|
(format "https://groups.google.com/groups/search?as_umsgid=%s"
|
2018-11-26 18:04:41 -05:00
|
|
|
|
(url-encode-url message-id))
|
2012-08-03 13:03:21 -04:00
|
|
|
|
(concat "gnus:" group "#" message-id)))
|
2008-11-19 06:22:43 -05:00
|
|
|
|
|
2008-03-14 13:22:03 -04:00
|
|
|
|
(defun org-gnus-store-link ()
|
2008-03-21 12:10:23 -04:00
|
|
|
|
"Store a link to a Gnus folder or message."
|
2017-06-05 09:02:33 -04:00
|
|
|
|
(pcase major-mode
|
|
|
|
|
(`gnus-group-mode
|
|
|
|
|
(let ((group (gnus-group-group-name)))
|
|
|
|
|
(when group
|
2018-11-26 18:04:41 -05:00
|
|
|
|
(org-link-store-props :type "gnus" :group group)
|
2017-06-05 09:02:33 -04:00
|
|
|
|
(let ((description (org-gnus-group-link group)))
|
2018-11-26 18:04:41 -05:00
|
|
|
|
(org-link-add-props :link description :description description)
|
2017-06-05 09:02:33 -04:00
|
|
|
|
description))))
|
|
|
|
|
((or `gnus-summary-mode `gnus-article-mode)
|
|
|
|
|
(let* ((group
|
|
|
|
|
(pcase (gnus-find-method-for-group gnus-newsgroup-name)
|
|
|
|
|
(`(nnvirtual . ,_)
|
2017-11-29 10:17:55 -05:00
|
|
|
|
(save-excursion
|
|
|
|
|
(car (nnvirtual-map-article (gnus-summary-article-number)))))
|
2020-09-07 23:17:30 -04:00
|
|
|
|
(`(,(or `nnselect `nnir) . ,_) ; nnir is for Emacs < 28.
|
2017-11-29 13:37:07 -05:00
|
|
|
|
(save-excursion
|
2020-09-07 23:17:30 -04:00
|
|
|
|
(cond
|
|
|
|
|
((fboundp 'nnselect-article-group)
|
|
|
|
|
(nnselect-article-group (gnus-summary-article-number)))
|
|
|
|
|
((fboundp 'nnir-article-group)
|
|
|
|
|
(nnir-article-group (gnus-summary-article-number)))
|
|
|
|
|
(t
|
|
|
|
|
(error "No article-group variant bound")))))
|
2017-06-05 09:02:33 -04:00
|
|
|
|
(_ gnus-newsgroup-name)))
|
2018-03-03 17:31:25 -05:00
|
|
|
|
(header (if (eq major-mode 'gnus-article-mode)
|
|
|
|
|
;; When in an article, first move to summary
|
|
|
|
|
;; buffer, with point on the summary of the
|
|
|
|
|
;; current article before extracting headers.
|
|
|
|
|
(save-window-excursion
|
|
|
|
|
(save-excursion
|
|
|
|
|
(gnus-article-show-summary)
|
|
|
|
|
(gnus-summary-article-header)))
|
2017-06-05 09:02:33 -04:00
|
|
|
|
(gnus-summary-article-header)))
|
|
|
|
|
(from (mail-header-from header))
|
|
|
|
|
(message-id (org-unbracket-string "<" ">" (mail-header-id header)))
|
|
|
|
|
(date (org-trim (mail-header-date header)))
|
|
|
|
|
;; Remove text properties of subject string to avoid Emacs
|
|
|
|
|
;; bug #3506.
|
|
|
|
|
(subject (org-no-properties
|
|
|
|
|
(copy-sequence (mail-header-subject header))))
|
|
|
|
|
(to (cdr (assq 'To (mail-header-extra header))))
|
|
|
|
|
newsgroups x-no-archive)
|
|
|
|
|
;; Fetching an article is an expensive operation; newsgroup and
|
|
|
|
|
;; x-no-archive are only needed for web links.
|
|
|
|
|
(when (org-xor current-prefix-arg org-gnus-prefer-web-links)
|
|
|
|
|
;; Make sure the original article buffer is up-to-date.
|
|
|
|
|
(save-window-excursion (gnus-summary-select-article))
|
|
|
|
|
(setq to (or to (gnus-fetch-original-field "To")))
|
|
|
|
|
(setq newsgroups (gnus-fetch-original-field "Newsgroups"))
|
|
|
|
|
(setq x-no-archive (gnus-fetch-original-field "x-no-archive")))
|
2018-11-26 18:04:41 -05:00
|
|
|
|
(org-link-store-props :type "gnus" :from from :date date :subject subject
|
2017-06-05 09:02:33 -04:00
|
|
|
|
:message-id message-id :group group :to to)
|
|
|
|
|
(let ((link (org-gnus-article-link
|
|
|
|
|
group newsgroups message-id x-no-archive))
|
2018-11-26 18:04:41 -05:00
|
|
|
|
(description (org-link-email-description)))
|
|
|
|
|
(org-link-add-props :link link :description description)
|
2017-06-05 09:02:33 -04:00
|
|
|
|
link)))
|
|
|
|
|
(`message-mode
|
|
|
|
|
(setq org-store-link-plist nil) ;reset
|
|
|
|
|
(save-excursion
|
|
|
|
|
(save-restriction
|
|
|
|
|
(message-narrow-to-headers)
|
|
|
|
|
(unless (message-fetch-field "Message-ID")
|
|
|
|
|
(message-generate-headers '(Message-ID)))
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
(re-search-forward "^Message-ID:" nil t)
|
|
|
|
|
(put-text-property (line-beginning-position) (line-end-position)
|
|
|
|
|
'message-deletable nil)
|
|
|
|
|
(let ((gcc (org-last (message-unquote-tokens
|
|
|
|
|
(message-tokenize-header
|
|
|
|
|
(mail-fetch-field "gcc" nil t) " ,"))))
|
|
|
|
|
(id (org-unbracket-string "<" ">"
|
|
|
|
|
(mail-fetch-field "Message-ID")))
|
|
|
|
|
(to (mail-fetch-field "To"))
|
|
|
|
|
(from (mail-fetch-field "From"))
|
|
|
|
|
(subject (mail-fetch-field "Subject"))
|
2021-03-11 13:07:37 -05:00
|
|
|
|
) ;; newsgroup xarchive ;those are always nil for gcc
|
2017-06-05 09:02:33 -04:00
|
|
|
|
(unless gcc (error "Can not create link: No Gcc header found"))
|
2018-11-26 18:04:41 -05:00
|
|
|
|
(org-link-store-props :type "gnus" :from from :subject subject
|
2017-06-05 09:02:33 -04:00
|
|
|
|
:message-id id :group gcc :to to)
|
2021-03-11 13:07:37 -05:00
|
|
|
|
(let ((link (org-gnus-article-link gcc nil id nil)) ;;newsgroup xarchive
|
2018-11-26 18:04:41 -05:00
|
|
|
|
(description (org-link-email-description)))
|
|
|
|
|
(org-link-add-props :link link :description description)
|
2017-06-05 09:02:33 -04:00
|
|
|
|
link)))))))
|
2008-03-14 13:22:03 -04:00
|
|
|
|
|
2010-09-20 15:49:08 -04:00
|
|
|
|
(defun org-gnus-open-nntp (path)
|
|
|
|
|
"Follow the nntp: link specified by PATH."
|
|
|
|
|
(let* ((spec (split-string path "/"))
|
|
|
|
|
(server (split-string (nth 2 spec) "@"))
|
|
|
|
|
(group (nth 3 spec))
|
|
|
|
|
(article (nth 4 spec)))
|
|
|
|
|
(org-gnus-follow-link
|
|
|
|
|
(format "nntp+%s:%s" (or (cdr server) (car server)) group)
|
|
|
|
|
article)))
|
|
|
|
|
|
2020-02-17 05:28:50 -05:00
|
|
|
|
(defun org-gnus-open (path _)
|
2008-03-21 12:10:23 -04:00
|
|
|
|
"Follow the Gnus message or folder link specified by PATH."
|
2017-06-05 08:35:24 -04:00
|
|
|
|
(unless (string-match "\\`\\([^#]+\\)\\(#\\(.*\\)\\)?" path)
|
|
|
|
|
(error "Error in Gnus link %S" path))
|
|
|
|
|
(let ((group (match-string-no-properties 1 path))
|
|
|
|
|
(article (match-string-no-properties 3 path)))
|
2008-03-14 13:22:03 -04:00
|
|
|
|
(org-gnus-follow-link group article)))
|
|
|
|
|
|
|
|
|
|
(defun org-gnus-follow-link (&optional group article)
|
|
|
|
|
"Follow a Gnus link to GROUP and ARTICLE."
|
|
|
|
|
(require 'gnus)
|
|
|
|
|
(funcall (cdr (assq 'gnus org-link-frame-setup)))
|
2017-06-05 03:19:11 -04:00
|
|
|
|
(when gnus-other-frame-object (select-frame gnus-other-frame-object))
|
|
|
|
|
(let ((group (org-no-properties group))
|
|
|
|
|
(article (org-no-properties article)))
|
|
|
|
|
(cond
|
|
|
|
|
((and group article)
|
|
|
|
|
(gnus-activate-group group)
|
|
|
|
|
(condition-case nil
|
|
|
|
|
(let ((msg "Couldn't follow Gnus link. Summary couldn't be opened."))
|
|
|
|
|
(pcase (gnus-find-method-for-group group)
|
|
|
|
|
(`(nndoc . ,_)
|
|
|
|
|
(if (gnus-group-read-group t nil group)
|
|
|
|
|
(gnus-summary-goto-article article nil t)
|
|
|
|
|
(message msg)))
|
|
|
|
|
(_
|
|
|
|
|
(let ((articles 1)
|
|
|
|
|
group-opened)
|
|
|
|
|
(while (and (not group-opened)
|
2019-07-23 23:10:09 -04:00
|
|
|
|
;; Stop on integer overflows. Note: We
|
|
|
|
|
;; can drop this once we require at least
|
|
|
|
|
;; Emacs 27, which supports bignums.
|
2017-06-05 03:19:11 -04:00
|
|
|
|
(> articles 0))
|
|
|
|
|
(setq group-opened (gnus-group-read-group articles t group))
|
|
|
|
|
(setq articles (if (< articles 16)
|
|
|
|
|
(1+ articles)
|
|
|
|
|
(* articles 2))))
|
|
|
|
|
(if group-opened
|
2010-04-04 01:52:57 -04:00
|
|
|
|
(gnus-summary-goto-article article nil t)
|
2017-06-05 03:19:11 -04:00
|
|
|
|
(message msg))))))
|
|
|
|
|
(quit
|
|
|
|
|
(message "Couldn't follow Gnus link. The linked group is empty."))))
|
|
|
|
|
(group (gnus-group-jump-to-group group)))))
|
2008-03-14 13:22:03 -04:00
|
|
|
|
|
2008-10-29 04:54:15 -04:00
|
|
|
|
(defun org-gnus-no-new-news ()
|
2015-08-22 16:51:38 -04:00
|
|
|
|
"Like `\\[gnus]' but doesn't check for new news."
|
2017-06-05 08:35:24 -04:00
|
|
|
|
(cond ((gnus-alive-p) nil)
|
|
|
|
|
(org-gnus-no-server (gnus-no-server))
|
|
|
|
|
(t (gnus))))
|
2008-10-29 04:54:15 -04:00
|
|
|
|
|
2019-03-01 19:01:32 -05:00
|
|
|
|
(provide 'ol-gnus)
|
2008-03-14 13:22:03 -04:00
|
|
|
|
|
2019-03-01 19:01:32 -05:00
|
|
|
|
;;; ol-gnus.el ends here
|