From 3f4a0d5370ae6c34afe180df96add3b8522f4af1 Mon Sep 17 00:00:00 2001 From: mattkae Date: Wed, 11 May 2022 09:23:58 -0400 Subject: initial commit --- elpa/org-9.5.2/ol-gnus.el | 272 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 272 insertions(+) create mode 100644 elpa/org-9.5.2/ol-gnus.el (limited to 'elpa/org-9.5.2/ol-gnus.el') diff --git a/elpa/org-9.5.2/ol-gnus.el b/elpa/org-9.5.2/ol-gnus.el new file mode 100644 index 0000000..72bdd73 --- /dev/null +++ b/elpa/org-9.5.2/ol-gnus.el @@ -0,0 +1,272 @@ +;;; ol-gnus.el --- Links to Gnus Groups and Messages -*- lexical-binding: t; -*- + +;; Copyright (C) 2004-2021 Free Software Foundation, Inc. + +;; Author: Carsten Dominik +;; Tassilo Horn +;; Keywords: outlines, hypermedia, calendar, wp +;; Homepage: https://orgmode.org +;; +;; 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 . +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +;; +;;; Commentary: + +;; This file implements links to Gnus groups and messages from within Org. +;; Org mode loads this module by default - if this is not what you want, +;; configure the variable `org-modules'. + +;;; Code: + +(require 'gnus-sum) +(require 'gnus-util) +(require 'nnheader) +(or (require 'nnselect nil t) ; Emacs >= 28 + (require 'nnir nil t)) ; Emacs < 28 +(require 'ol) + + +;;; Declare external functions and variables + +(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)) +(declare-function gnus-article-show-summary "gnus-art" ()) +(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)) +(declare-function message-fetch-field "message" (header &optional not-all)) +(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)) +(declare-function nnvirtual-map-article "nnvirtual" (article)) + +(defvar gnus-newsgroup-name) +(defvar gnus-summary-buffer) +(defvar gnus-other-frame-object) + + +;;; Customization variables + +(defcustom org-gnus-prefer-web-links nil + "If non-nil, `org-store-link' creates web links to Google groups. +\\When nil, Gnus will be used for such links. +Using a prefix argument to the command `\\[org-store-link]' (`org-store-link') +negates this setting for the duration of the command." + :group 'org-link-store + :type 'boolean) + +(defcustom org-gnus-no-server nil + "Should Gnus be started using `gnus-no-server'?" + :group 'org-gnus + :version "24.4" + :package-version '(Org . "8.0") + :type 'boolean) + + +;;; Install the link type + +(org-link-set-parameters "gnus" + :follow #'org-gnus-open + :store #'org-gnus-store-link) + +;;; Implementation + +(defun org-gnus-group-link (group) + "Create a link to the Gnus group GROUP. +If GROUP is a newsgroup and `org-gnus-prefer-web-links' is +non-nil, create a link to groups.google.com. Otherwise create a +link to the group inside Gnus. + +If `org-store-link' was called with a prefix arg the meaning of +`org-gnus-prefer-web-links' is reversed." + (let ((unprefixed-group (replace-regexp-in-string "^[^:]+:" "" group))) + (if (and (string-prefix-p "nntp" group) ;; Only for nntp groups + (org-xor current-prefix-arg + org-gnus-prefer-web-links)) + (concat "https://groups.google.com/group/" unprefixed-group) + (concat "gnus:" group)))) + +(defun org-gnus-article-link (group newsgroups message-id x-no-archive) + "Create a link to a Gnus article. + +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 +non-nil, create a link to groups.google.com. +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." + (if (and (org-xor current-prefix-arg org-gnus-prefer-web-links) + newsgroups ;make web links only for nntp groups + (not x-no-archive)) ;and if X-No-Archive isn't set + (format "https://groups.google.com/groups/search?as_umsgid=%s" + (url-encode-url message-id)) + (concat "gnus:" group "#" message-id))) + +(defun org-gnus-store-link () + "Store a link to a Gnus folder or message." + (pcase major-mode + (`gnus-group-mode + (let ((group (gnus-group-group-name))) + (when group + (org-link-store-props :type "gnus" :group group) + (let ((description (org-gnus-group-link group))) + (org-link-add-props :link description :description description) + description)))) + ((or `gnus-summary-mode `gnus-article-mode) + (let* ((group + (pcase (gnus-find-method-for-group gnus-newsgroup-name) + (`(nnvirtual . ,_) + (save-excursion + (car (nnvirtual-map-article (gnus-summary-article-number))))) + (`(,(or `nnselect `nnir) . ,_) ; nnir is for Emacs < 28. + (save-excursion + (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"))))) + (_ gnus-newsgroup-name))) + (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))) + (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"))) + (org-link-store-props :type "gnus" :from from :date date :subject subject + :message-id message-id :group group :to to) + (let ((link (org-gnus-article-link + group newsgroups message-id x-no-archive)) + (description (org-link-email-description))) + (org-link-add-props :link link :description description) + 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")) + ) ;; newsgroup xarchive ;those are always nil for gcc + (unless gcc (error "Can not create link: No Gcc header found")) + (org-link-store-props :type "gnus" :from from :subject subject + :message-id id :group gcc :to to) + (let ((link (org-gnus-article-link gcc nil id nil)) ;;newsgroup xarchive + (description (org-link-email-description))) + (org-link-add-props :link link :description description) + link))))))) + +(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))) + +(defun org-gnus-open (path _) + "Follow the Gnus message or folder link specified by PATH." + (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))) + (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))) + (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) + ;; Stop on integer overflows. Note: We + ;; can drop this once we require at least + ;; Emacs 27, which supports bignums. + (> articles 0)) + (setq group-opened (gnus-group-read-group articles t group)) + (setq articles (if (< articles 16) + (1+ articles) + (* articles 2)))) + (if group-opened + (gnus-summary-goto-article article nil t) + (message msg)))))) + (quit + (message "Couldn't follow Gnus link. The linked group is empty.")))) + (group (gnus-group-jump-to-group group))))) + +(defun org-gnus-no-new-news () + "Like `\\[gnus]' but doesn't check for new news." + (cond ((gnus-alive-p) nil) + (org-gnus-no-server (gnus-no-server)) + (t (gnus)))) + +(provide 'ol-gnus) + +;;; ol-gnus.el ends here -- cgit v1.2.1