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67 lines
2.0 KiB
EmacsLisp
67 lines
2.0 KiB
EmacsLisp
;;; nnregistry.el --- access to articles via Gnus' message-id registry
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;;; -*- coding: utf-8 -*-
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;; Copyright (C) 2010-2020 Free Software Foundation, Inc.
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;; Author: Ludovic Courtès <ludo@gnu.org>
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;; Keywords: news, mail
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; This file provides the `nnregistry' Gnus back-end. It can be used
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;; in `gnus-refer-article-method' to quickly search for a message by
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;; id, regardless of the back-end that stores it. See the Gnus manual
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;; for usage examples and more information.
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;;; Code:
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(require 'nnoo)
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(require 'gnus-registry)
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(require 'gnus-int)
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(nnoo-declare nnregistry)
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(deffoo nnregistry-server-opened (server)
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gnus-registry-enabled)
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(deffoo nnregistry-close-server (server &optional defs)
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t)
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(deffoo nnregistry-status-message (server)
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nil)
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(deffoo nnregistry-open-server (server &optional defs)
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gnus-registry-enabled)
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(defvar nnregistry-within-nnregistry nil)
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(deffoo nnregistry-request-article (id &optional group server buffer)
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(and (not nnregistry-within-nnregistry)
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(let* ((nnregistry-within-nnregistry t)
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(group (nth 0 (gnus-registry-get-id-key id 'group)))
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(gnus-override-method nil))
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(message "nnregistry: requesting article `%s' in group `%s'"
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id group)
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(and group
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(gnus-check-group group)
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(gnus-request-article id group buffer)))))
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(provide 'nnregistry)
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;;; nnregistry.el ends here
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