mirror of
https://git.notmuchmail.org/git/notmuch
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92 lines
3 KiB
EmacsLisp
92 lines
3 KiB
EmacsLisp
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;; notmuch-address.el --- address completion with notmuch
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;;
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;; Copyright © David Edmondson
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;;
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;; This file is part of Notmuch.
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;;
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;; Notmuch is free software: you can redistribute it and/or modify it
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;; 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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;;
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;; Notmuch is distributed in the hope that it will be useful, but
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;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with Notmuch. If not, see <http://www.gnu.org/licenses/>.
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;;
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;; Authors: David Edmondson <dme@dme.org>
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(require 'message)
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;;
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(defcustom notmuch-address-command "notmuch-addresses"
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"The command which generates possible addresses. It must take a
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single argument and output a list of possible matches, one per
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line."
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:type 'string
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:group 'notmuch)
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(defvar notmuch-address-message-alist-member
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'("^\\(Resent-\\)?\\(To\\|B?Cc\\|Reply-To\\|From\\|Mail-Followup-To\\|Mail-Copies-To\\):"
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. notmuch-address-expand-name))
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(defvar notmuch-address-history nil)
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(defun notmuch-address-message-insinuate ()
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(if (not (memq notmuch-address-message-alist-member message-completion-alist))
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(setq message-completion-alist
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(push notmuch-address-message-alist-member message-completion-alist))))
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(defun notmuch-address-options (original)
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(process-lines notmuch-address-command original))
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(defun notmuch-address-expand-name ()
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(let* ((end (point))
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(beg (save-excursion
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(re-search-backward "\\(\\`\\|[\n:,]\\)[ \t]*")
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(goto-char (match-end 0))
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(point)))
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(orig (buffer-substring-no-properties beg end))
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(completion-ignore-case t)
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(options (notmuch-address-options orig))
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(chosen (if (eq (length options) 1)
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(car options)
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(completing-read "Address: " (cdr options) nil nil (car options)
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'notmuch-address-history))))
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(when chosen
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(push chosen notmuch-address-history)
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(delete-region beg end)
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(insert chosen))))
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;; Copied from `w3m-which-command'.
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(defun notmuch-address-locate-command (command)
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"Return non-nil if `command' is an executable either on
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`exec-path' or an absolute pathname."
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(when (stringp command)
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(if (and (file-name-absolute-p command)
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(file-executable-p command))
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command
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(setq command (file-name-nondirectory command))
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(catch 'found-command
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(let (bin)
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(dolist (dir exec-path)
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(setq bin (expand-file-name command dir))
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(when (or (and (file-executable-p bin)
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(not (file-directory-p bin)))
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(and (file-executable-p (setq bin (concat bin ".exe")))
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(not (file-directory-p bin))))
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(throw 'found-command bin))))))))
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;; If we can find the program specified by `notmuch-address-command',
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;; insinuate ourselves into `message-mode'.
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(when (notmuch-address-locate-command notmuch-address-command)
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(notmuch-address-message-insinuate))
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;;
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(provide 'notmuch-address)
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