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[Emacs-diffs] Changes to emacs/lisp/mail/rmailkwd.el [lexbind]
From: |
Miles Bader |
Subject: |
[Emacs-diffs] Changes to emacs/lisp/mail/rmailkwd.el [lexbind] |
Date: |
Tue, 14 Oct 2003 19:39:44 -0400 |
Index: emacs/lisp/mail/rmailkwd.el
diff -c /dev/null emacs/lisp/mail/rmailkwd.el:1.14.8.1
*** /dev/null Tue Oct 14 19:39:44 2003
--- emacs/lisp/mail/rmailkwd.el Tue Oct 14 19:39:25 2003
***************
*** 0 ****
--- 1,275 ----
+ ;;; rmailkwd.el --- part of the "RMAIL" mail reader for Emacs
+
+ ;; Copyright (C) 1985, 1988, 1994, 2001 Free Software Foundation, Inc.
+
+ ;; Maintainer: FSF
+ ;; Keywords: mail
+
+ ;; 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 2, 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; see the file COPYING. If not, write to the
+ ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ ;; Boston, MA 02111-1307, USA.
+
+ ;;; Commentary:
+
+ ;;; Code:
+
+ ;; Global to all RMAIL buffers. It exists primarily for the sake of
+ ;; completion. It is better to use strings with the label functions
+ ;; and let them worry about making the label.
+
+ (defvar rmail-label-obarray (make-vector 47 0))
+
+ ;; Named list of symbols representing valid message attributes in RMAIL.
+
+ (defconst rmail-attributes
+ (cons 'rmail-keywords
+ (mapcar (function (lambda (s) (intern s rmail-label-obarray)))
+ '("deleted" "answered" "filed" "forwarded" "unseen" "edited"
+ "resent"))))
+
+ (defconst rmail-deleted-label (intern "deleted" rmail-label-obarray))
+
+ ;; Named list of symbols representing valid message keywords in RMAIL.
+
+ (defvar rmail-keywords)
+
+ ;;;###autoload
+ (defun rmail-add-label (string)
+ "Add LABEL to labels associated with current RMAIL message.
+ Completion is performed over known labels when reading."
+ (interactive (list (rmail-read-label "Add label")))
+ (rmail-set-label string t))
+
+ ;;;###autoload
+ (defun rmail-kill-label (string)
+ "Remove LABEL from labels associated with current RMAIL message.
+ Completion is performed over known labels when reading."
+ (interactive (list (rmail-read-label "Remove label")))
+ (rmail-set-label string nil))
+
+ ;;;###autoload
+ (defun rmail-read-label (prompt)
+ (with-current-buffer rmail-buffer
+ (if (not rmail-keywords) (rmail-parse-file-keywords))
+ (let ((result
+ (completing-read (concat prompt
+ (if rmail-last-label
+ (concat " (default "
+ (symbol-name rmail-last-label)
+ "): ")
+ ": "))
+ rmail-label-obarray
+ nil
+ nil)))
+ (if (string= result "")
+ rmail-last-label
+ (setq rmail-last-label (rmail-make-label result t))))))
+
+ (defun rmail-set-label (l state &optional n)
+ (with-current-buffer rmail-buffer
+ (rmail-maybe-set-message-counters)
+ (if (not n) (setq n rmail-current-message))
+ (aset rmail-summary-vector (1- n) nil)
+ (let* ((attribute (rmail-attribute-p l))
+ (keyword (and (not attribute)
+ (or (rmail-keyword-p l)
+ (rmail-install-keyword l))))
+ (label (or attribute keyword)))
+ (if label
+ (let ((omax (- (buffer-size) (point-max)))
+ (omin (- (buffer-size) (point-min)))
+ (buffer-read-only nil)
+ (case-fold-search t))
+ (unwind-protect
+ (save-excursion
+ (widen)
+ (goto-char (rmail-msgbeg n))
+ (forward-line 1)
+ (if (not (looking-at "[01],"))
+ nil
+ (let ((start (1+ (point)))
+ (bound))
+ (narrow-to-region (point) (progn (end-of-line) (point)))
+ (setq bound (point-max))
+ (search-backward ",," nil t)
+ (if attribute
+ (setq bound (1+ (point)))
+ (setq start (1+ (point))))
+ (goto-char start)
+ ; (while (re-search-forward "[ \t]*,[ \t]*" nil t)
+ ; (replace-match ","))
+ ; (goto-char start)
+ (if (re-search-forward
+ (concat ", " (rmail-quote-label-name label) ",")
+ bound
+ 'move)
+ (if (not state) (replace-match ","))
+ (if state (insert " " (symbol-name label) ",")))
+ (if (eq label rmail-deleted-label)
+ (rmail-set-message-deleted-p n state)))))
+ (narrow-to-region (- (buffer-size) omin) (- (buffer-size) omax))
+ (if (= n rmail-current-message) (rmail-display-labels))))))))
+
+ ;; Commented functions aren't used by RMAIL but might be nice for user
+ ;; packages that do stuff with RMAIL. Note that rmail-message-labels-p
+ ;; is in rmail.el now.
+
+ ;(defun rmail-message-label-p (label &optional n)
+ ; "Returns symbol if LABEL (attribute or keyword) on NTH or current message."
+ ; (rmail-message-labels-p (or n rmail-current-message) (regexp-quote label)))
+
+ ;(defun rmail-parse-message-labels (&optional n)
+ ; "Returns labels associated with NTH or current RMAIL message.
+ ;The result is a list of two lists of strings. The first is the
+ ;message attributes and the second is the message keywords."
+ ; (let (atts keys)
+ ; (save-restriction
+ ; (widen)
+ ; (goto-char (rmail-msgbeg (or n rmail-current-message)))
+ ; (forward-line 1)
+ ; (or (looking-at "[01],") (error "Malformed label line"))
+ ; (forward-char 2)
+ ; (while (looking-at "[ \t]*\\([^ \t\n,]+\\),")
+ ; (setq atts (cons (buffer-substring (match-beginning 1) (match-end 1))
+ ; atts))
+ ; (goto-char (match-end 0)))
+ ; (or (looking-at ",") (error "Malformed label line"))
+ ; (forward-char 1)
+ ; (while (looking-at "[ \t]*\\([^ \t\n,]+\\),")
+ ; (setq keys (cons (buffer-substring (match-beginning 1) (match-end 1))
+ ; keys))
+ ; (goto-char (match-end 0)))
+ ; (or (looking-at "[ \t]*$") (error "Malformed label line"))
+ ; (list (nreverse atts) (nreverse keys)))))
+
+ (defun rmail-attribute-p (s)
+ (let ((symbol (rmail-make-label s)))
+ (if (memq symbol (cdr rmail-attributes)) symbol)))
+
+ (defun rmail-keyword-p (s)
+ (let ((symbol (rmail-make-label s)))
+ (if (memq symbol (cdr (rmail-keywords))) symbol)))
+
+ (defun rmail-make-label (s &optional forcep)
+ (cond ((symbolp s) s)
+ (forcep (intern (downcase s) rmail-label-obarray))
+ (t (intern-soft (downcase s) rmail-label-obarray))))
+
+ (defun rmail-force-make-label (s)
+ (intern (downcase s) rmail-label-obarray))
+
+ (defun rmail-quote-label-name (label)
+ (regexp-quote (symbol-name (rmail-make-label label t))))
+
+ ;; Motion on messages with keywords.
+
+ ;;;###autoload
+ (defun rmail-previous-labeled-message (n labels)
+ "Show previous message with one of the labels LABELS.
+ LABELS should be a comma-separated list of label names.
+ If LABELS is empty, the last set of labels specified is used.
+ With prefix argument N moves backward N messages with these labels."
+ (interactive "p\nsMove to previous msg with labels: ")
+ (rmail-next-labeled-message (- n) labels))
+
+ ;;;###autoload
+ (defun rmail-next-labeled-message (n labels)
+ "Show next message with one of the labels LABELS.
+ LABELS should be a comma-separated list of label names.
+ If LABELS is empty, the last set of labels specified is used.
+ With prefix argument N moves forward N messages with these labels."
+ (interactive "p\nsMove to next msg with labels: ")
+ (if (string= labels "")
+ (setq labels rmail-last-multi-labels))
+ (or labels
+ (error "No labels to find have been specified previously"))
+ (set-buffer rmail-buffer)
+ (setq rmail-last-multi-labels labels)
+ (rmail-maybe-set-message-counters)
+ (let ((lastwin rmail-current-message)
+ (current rmail-current-message)
+ (regexp (concat ", ?\\("
+ (mail-comma-list-regexp labels)
+ "\\),")))
+ (save-restriction
+ (widen)
+ (while (and (> n 0) (< current rmail-total-messages))
+ (setq current (1+ current))
+ (if (rmail-message-labels-p current regexp)
+ (setq lastwin current n (1- n))))
+ (while (and (< n 0) (> current 1))
+ (setq current (1- current))
+ (if (rmail-message-labels-p current regexp)
+ (setq lastwin current n (1+ n)))))
+ (rmail-show-message lastwin)
+ (if (< n 0)
+ (message "No previous message with labels %s" labels))
+ (if (> n 0)
+ (message "No following message with labels %s" labels))))
+
+ ;;; Manipulate the file's Labels option.
+
+ ;; Return a list of symbols for all
+ ;; the keywords (labels) recorded in this file's Labels option.
+ (defun rmail-keywords ()
+ (or rmail-keywords (rmail-parse-file-keywords)))
+
+ ;; Set rmail-keywords to a list of symbols for all
+ ;; the keywords (labels) recorded in this file's Labels option.
+ (defun rmail-parse-file-keywords ()
+ (save-restriction
+ (save-excursion
+ (widen)
+ (goto-char 1)
+ (setq rmail-keywords
+ (if (search-forward "\nLabels:" (rmail-msgbeg 1) t)
+ (progn
+ (narrow-to-region (point) (progn (end-of-line) (point)))
+ (goto-char (point-min))
+ (cons 'rmail-keywords
+ (mapcar 'rmail-force-make-label
+ (mail-parse-comma-list)))))))))
+
+ ;; Add WORD to the list in the file's Labels option.
+ ;; Any keyword used for the first time needs this done.
+ (defun rmail-install-keyword (word)
+ (let ((keyword (rmail-make-label word t))
+ (keywords (rmail-keywords)))
+ (if (not (or (rmail-attribute-p keyword)
+ (rmail-keyword-p keyword)))
+ (let ((omin (- (buffer-size) (point-min)))
+ (omax (- (buffer-size) (point-max))))
+ (unwind-protect
+ (save-excursion
+ (widen)
+ (goto-char 1)
+ (let ((case-fold-search t)
+ (buffer-read-only nil))
+ (or (search-forward "\nLabels:" nil t)
+ (progn
+ (end-of-line)
+ (insert "\nLabels:")))
+ (delete-region (point) (progn (end-of-line) (point)))
+ (setcdr keywords (cons keyword (cdr keywords)))
+ (while (setq keywords (cdr keywords))
+ (insert (symbol-name (car keywords)) ","))
+ (delete-char -1)))
+ (narrow-to-region (- (buffer-size) omin)
+ (- (buffer-size) omax)))))
+ keyword))
+
+ ;;; arch-tag: b26b3392-99ca-4e1d-933a-dab59b04e9a8
+ ;;; rmailkwd.el ends here
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Miles Bader <=