Improved links to usenet messages on the web.
Tassilo Horn writes: here's the promised refactoring of org-gnus.el: - Rename org-usenet-links-prefer-google to org-gnus-prefer-web-links - Make that option work for gmane - Only make weblinks if the article is in a newsgroup - Only make weblinks if the article has no X-No-Archive header There is little drawback: - Gnus stored some headers in an array and makes them instantly available. Unfortunately that doesn't apply to X-No-Archive, so I have to select and widen the article buffer and parse anew.
This commit is contained in:
Carsten Dominik
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2133adf81b
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ec8ed4c55e
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@ -3,6 +3,7 @@
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;; Copyright (C) 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
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;; Author: Carsten Dominik <carsten at orgmode dot org>
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;; Tassilo Horn <tassilo at member dot fsf dot org>
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;; Keywords: outlines, hypermedia, calendar, wp
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;; Homepage: http://orgmode.org
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;; Version: 6.12trans
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@ -37,7 +38,11 @@
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;; Customization variables
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(defcustom org-usenet-links-prefer-google nil
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(when (fboundp 'defvaralias)
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(defvaralias 'org-usenet-links-prefer-google 'org-gnus-prefer-web-links
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"Deprecated name for `org-gnus-prefer-web-links'."))
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(defcustom org-gnus-prefer-web-links nil
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"Non-nil means, `org-store-link' will create web links to Google groups.
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When nil, Gnus will be used for such links.
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Using a prefix arg to the command \\[org-store-link] (`org-store-link')
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@ -57,50 +62,69 @@ negates this setting for the duration of the command."
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(add-hook 'org-store-link-functions 'org-gnus-store-link)
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;; Implementation
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(defun org-gnus-group-link (group)
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(debug)
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(let ((unprefixed-group (replace-regexp-in-string "^[^:]+:" "" group)))
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(if (and (string-match "^nntp" group) ;; Only for nntp groups
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(org-xor current-prefix-arg
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org-gnus-prefer-web-links))
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(concat (if (string-match "gmane" unprefixed-group)
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"http://news.gmane.org/"
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"http://groups.google.com/group/")
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unprefixed-group)
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(concat "gnus:" group))))
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(defun org-gnus-article-link (group newsgroups message-id x-no-archive)
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(if (and (org-xor current-prefix-arg org-gnus-prefer-web-links)
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newsgroups ;; Make web links only for nntp groups
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(not x-no-archive)) ;; and if X-No-Archive isn't set.
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(format (if (string-match "gmane\\." newsgroups)
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"http://mid.gmane.org/%s"
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"http://groups.google.com/groups/search?as_umsgid=%s")
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(org-fixup-message-id-for-http
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(replace-regexp-in-string "[<>]" "" message-id)))
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(org-make-link "gnus:" group "#" message-id)))
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(defun org-gnus-store-link ()
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"Store a link to a Gnus folder or message."
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(cond
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((eq major-mode 'gnus-group-mode)
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(let ((group (cond ((fboundp 'gnus-group-group-name) ; depending on Gnus
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(gnus-group-group-name)) ; version
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((fboundp 'gnus-group-name)
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(gnus-group-name))
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(t "???")))
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desc link)
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(let* ((group (cond ((fboundp 'gnus-group-group-name) ; depending on Gnus
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(gnus-group-group-name)) ; version
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((fboundp 'gnus-group-name)
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(gnus-group-name))
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(t "???")))
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desc link)
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(unless group (error "Not on a group"))
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(org-store-link-props :type "gnus" :group group)
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(setq desc (concat
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(if (org-xor current-prefix-arg
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org-usenet-links-prefer-google)
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"http://groups.google.com/groups?group="
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"gnus:")
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group)
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(setq desc (org-gnus-group-link group)
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link (org-make-link desc))
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(org-add-link-props :link link :description desc)
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link))
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((memq major-mode '(gnus-summary-mode gnus-article-mode))
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(and (eq major-mode 'gnus-article-mode) (gnus-article-show-summary))
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(and (eq major-mode 'gnus-summary-mode) (gnus-summary-show-article))
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(let* ((group gnus-newsgroup-name)
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(article (gnus-summary-article-number))
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(header (gnus-summary-article-header article))
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(from (mail-header-from header))
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(message-id (mail-header-id header))
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(date (mail-header-date header))
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(extra (mail-header-extra header))
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(to (cdr (assoc 'To extra)))
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(header (with-current-buffer gnus-article-buffer
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(gnus-summary-toggle-header 1)
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(goto-char (point-min))
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(mail-header-extract-no-properties)))
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(from (mail-header 'from header))
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(message-id (mail-header 'message-id header))
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(date (mail-header 'date header))
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(to (mail-header 'to header))
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(newsgroups (mail-header 'newsgroups header))
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(x-no-archive (mail-header 'x-no-archive header))
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(subject (gnus-summary-subject-string))
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desc link)
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(org-store-link-props :type "gnus" :from from :subject subject
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:message-id message-id :group group :to to)
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(setq desc (org-email-link-description))
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(if (org-xor current-prefix-arg org-usenet-links-prefer-google)
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(setq link
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(format "http://groups.google.com/groups?as_umsgid=%s"
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(org-fixup-message-id-for-http message-id)))
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(setq link (org-make-link "gnus:" group "#"
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(or message-id
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(number-to-string article)))))
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(setq desc (org-email-link-description)
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link (org-gnus-article-link group newsgroups message-id x-no-archive))
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(org-add-link-props :link link :description desc)
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link))))
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