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4e756c2469
Delete most declare-function calls. (pmail-keywords, pmail-deleted-label, pmail-attributes): Vars deleted. (pmail-attribute-p, pmail-keyword-p): Fns deleted. (pmail-keywords, pmail-parse-file-keywords, pmail-install-keyword): (pmail-force-make-label, pmail-quote-label-name): Fns deleted. (pmail-last-label, pmail-last-multi-labels): Vars moved from pmail.el. (pmail-read-label): Don't switch buffers, don't parse file keywords. (pmail-set-label): Major rewrite. (pmail-next-labeled-message): Call pmail-get-labels and match it.
175 lines
5.9 KiB
EmacsLisp
175 lines
5.9 KiB
EmacsLisp
;;; pmailkwd.el --- part of the "PMAIL" mail reader for Emacs
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;; Copyright (C) 1985, 1988, 1994, 2001, 2002, 2003, 2004,
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;; 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
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;; Maintainer: FSF
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;; Keywords: 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 <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(require 'pmail)
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;; Global to all PMAIL buffers. It exists primarily for the sake of
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;; completion. It is better to use strings with the label functions
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;; and let them worry about making the label.
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(defvar pmail-label-obarray (make-vector 47 0))
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(mapc (function (lambda (s) (intern s pmail-label-obarray)))
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'("deleted" "answered" "filed" "forwarded" "unseen" "edited"
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"resent"))
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(defun pmail-make-label (s)
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(intern (downcase s) pmail-label-obarray))
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;;;###autoload
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(defun pmail-add-label (string)
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"Add LABEL to labels associated with current PMAIL message.
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Performs completion over known labels when reading."
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(interactive (list (pmail-read-label "Add label")))
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(pmail-set-label string t))
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;;;###autoload
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(defun pmail-kill-label (string)
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"Remove LABEL from labels associated with current PMAIL message.
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Performs completion over known labels when reading."
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(interactive (list (pmail-read-label "Remove label")))
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(pmail-set-label string nil))
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;; Last individual label specified to a or k.
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(defvar pmail-last-label nil)
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;; Last set of values specified to C-M-n, C-M-p, C-M-s or C-M-l.
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(defvar pmail-last-multi-labels nil)
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;;;###autoload
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(defun pmail-read-label (prompt)
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(let ((result
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(completing-read (concat prompt
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(if pmail-last-label
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(concat " (default "
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(symbol-name pmail-last-label)
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"): ")
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": "))
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pmail-label-obarray
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nil
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nil)))
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(if (string= result "")
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pmail-last-label
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(setq pmail-last-label (pmail-make-label result)))))
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(defun pmail-set-label (label state &optional msg)
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"Set LABEL as present or absent according to STATE in message MSG."
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(with-current-buffer pmail-buffer
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(pmail-maybe-set-message-counters)
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(if (not msg) (setq msg pmail-current-message))
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;; Force recalculation of summary for this message.
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(aset pmail-summary-vector (1- msg) nil)
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(let (attr-index)
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;; Is this label an attribute?
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(dotimes (i (length pmail-attr-array))
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(if (string= (cadr (aref pmail-attr-array i)) label)
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(setq attr-index i)))
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(if attr-index
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;; If so, set it as an attribute.
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(pmail-set-attribute attr-index state msg)
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;; Is this keyword already present in msg's keyword list?
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(let* ((header (pmail-get-header pmail-keyword-header msg))
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(regexp (concat ", " (regexp-quote (symbol-name label)) ","))
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(present (string-match regexp (concat ", " header ","))))
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;; If current state is not correct,
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(unless (eq present state)
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;; either add it or delete it.
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(pmail-set-header
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pmail-keyword-header msg
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(if state
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;; Add this keyword at the end.
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(if (and header (not (string= header "")))
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(concat header ", " (symbol-name label))
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(symbol-name label))
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;; Delete this keyword.
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(let ((before (substring header 0
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(max 0 (- (match-beginning 0) 2))))
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(after (substring header
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(min (length header)
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(- (match-end 0) 1)))))
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(cond ((string= before "")
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after)
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((string= after "")
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before)
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(t (concat before ", " after)))))))))
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(if (= msg pmail-current-message)
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(pmail-display-labels)))))
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;; Motion on messages with keywords.
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;;;###autoload
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(defun pmail-previous-labeled-message (n labels)
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"Show previous message with one of the labels LABELS.
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LABELS should be a comma-separated list of label names.
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If LABELS is empty, the last set of labels specified is used.
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With prefix argument N moves backward N messages with these labels."
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(interactive "p\nsMove to previous msg with labels: ")
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(pmail-next-labeled-message (- n) labels))
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(declare-function mail-comma-list-regexp "mail-utils" (labels))
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;;;###autoload
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(defun pmail-next-labeled-message (n labels)
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"Show next message with one of the labels LABELS.
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LABELS should be a comma-separated list of label names.
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If LABELS is empty, the last set of labels specified is used.
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With prefix argument N moves forward N messages with these labels."
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(interactive "p\nsMove to next msg with labels: ")
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(if (string= labels "")
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(setq labels pmail-last-multi-labels))
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(or labels
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(error "No labels to find have been specified previously"))
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(set-buffer pmail-buffer)
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(setq pmail-last-multi-labels labels)
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(pmail-maybe-set-message-counters)
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(let ((lastwin pmail-current-message)
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(current pmail-current-message)
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(regexp (concat ", ?\\("
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(mail-comma-list-regexp labels)
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"\\),")))
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(while (and (> n 0) (< current pmail-total-messages))
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(setq current (1+ current))
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(if (string-match regexp (pmail-get-labels current))
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(setq lastwin current n (1- n))))
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(while (and (< n 0) (> current 1))
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(setq current (1- current))
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(if (string-match regexp (pmail-get-labels current))
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(setq lastwin current n (1+ n))))
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(if (< n 0)
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(error "No previous message with labels %s" labels)
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(if (> n 0)
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(error "No following message with labels %s" labels)
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(pmail-show-message lastwin)))))
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(provide 'pmailkwd)
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;; Local Variables:
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;; change-log-default-name: "ChangeLog.pmail"
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;; End:
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;; arch-tag: 1149979c-8e47-4333-9629-cf3dc887a6a7
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;;; pmailkwd.el ends here
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