home *** CD-ROM | disk | FTP | other *** search
- ;;; mh-pick --- make a search pattern and search for a message in mh-e
- ;; Time-stamp: <95/08/19 16:45:16 gildea>
-
- ;; Copyright (C) 1993, 1995 Free Software Foundation, Inc.
-
- ;; This file is part of mh-e, 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:
-
- ;; Internal support for mh-e package.
-
- ;;; Change Log:
-
- ;; $Id: mh-pick.el,v 1.5 1996/01/14 07:34:30 erik Exp $
-
- ;;; Code:
-
- (provide 'mh-pick)
- (require 'mh-e)
-
- (defvar mh-pick-mode-hook nil
- "Invoked in `mh-pick-mode' on a new pattern.")
-
- ;;; Internal variables:
-
- (defvar mh-pick-mode-map (make-sparse-keymap)
- "Keymap for searching folder.")
-
- (defvar mh-searching-folder nil) ;Folder this pick is searching.
-
- (defun mh-search-folder (folder)
- "Search FOLDER for messages matching a pattern.
- Add the messages found to the sequence named `search'."
- (interactive (list (mh-prompt-for-folder "Search"
- mh-current-folder
- t)))
- (switch-to-buffer-other-window "pick-pattern")
- (if (or (zerop (buffer-size))
- (not (y-or-n-p "Reuse pattern? ")))
- (mh-make-pick-template)
- (message ""))
- (setq mh-searching-folder folder))
-
- (defun mh-make-pick-template ()
- ;; Initialize the current buffer with a template for a pick pattern.
- (erase-buffer)
- (insert "From: \n"
- "To: \n"
- "Cc: \n"
- "Date: \n"
- "Subject: \n"
- "---------\n")
- (mh-pick-mode)
- (goto-char (point-min))
- (end-of-line))
-
- (put 'mh-pick-mode 'mode-class 'special)
-
- (defun mh-pick-mode ()
- "Mode for creating search templates in mh-e.\\<mh-pick-mode-map>
- After each field name, enter the pattern to search for. If a field's
- value does not matter for the search, leave it empty. To search the
- entire message, supply the pattern in the \"body\" of the template.
- Each non-empty field must be matched for a message to be selected.
- To effect a logical \"or\", use \\[mh-search-folder] multiple times.
- When you have finished, type \\[mh-do-pick-search] to do the search.
- \\{mh-pick-mode-map}
- Turning on mh-pick-mode calls the value of the variable mh-pick-mode-hook
- if that value is non-nil."
- (interactive)
- (kill-all-local-variables)
- (make-local-variable 'mh-searching-folder)
- (use-local-map mh-pick-mode-map)
- (setq major-mode 'mh-pick-mode)
- (mh-set-mode-name "MH-Pick")
- (run-hooks 'mh-pick-mode-hook))
-
-
- (defun mh-do-pick-search ()
- "Find messages that match the qualifications in the current pattern buffer.
- Messages are searched for in the folder named in mh-searching-folder.
- Add the messages found to the sequence named `search'."
- (interactive)
- (let ((pattern-buffer (buffer-name))
- (searching-buffer mh-searching-folder)
- range
- msgs
- (finding-messages t)
- (pattern nil)
- (new-buffer nil))
- (save-excursion
- (cond ((get-buffer searching-buffer)
- (set-buffer searching-buffer)
- (setq range (list (format "%d-%d"
- mh-first-msg-num mh-last-msg-num))))
- (t
- (mh-make-folder searching-buffer)
- (setq range '("all"))
- (setq new-buffer t))))
- (message "Searching...")
- (goto-char (point-min))
- (while (and range
- (setq pattern (mh-next-pick-field pattern-buffer)))
- (setq msgs (mh-seq-from-command searching-buffer
- 'search
- (mh-list-to-string
- (list "pick" pattern searching-buffer
- "-list"
- (mh-coalesce-msg-list range)))))
- (setq range msgs)) ;restrict the pick range for next pass
- (message "Searching...done")
- (if new-buffer
- (mh-scan-folder searching-buffer msgs)
- (switch-to-buffer searching-buffer))
- (mh-add-msgs-to-seq msgs 'search)
- (delete-other-windows)))
-
-
- (defun mh-seq-from-command (folder seq seq-command)
- ;; In FOLDER, make a sequence named SEQ by executing COMMAND.
- ;; COMMAND is a list. The first element is a program name
- ;; and the subsequent elements are its arguments, all strings.
- (let ((msg)
- (msgs ())
- (case-fold-search t))
- (save-excursion
- (save-window-excursion
- (if (eq 0 (apply 'mh-exec-cmd-quiet nil seq-command))
- ;; "pick" outputs one number per line
- (while (setq msg (car (mh-read-msg-list)))
- (setq msgs (cons msg msgs))
- (forward-line 1))))
- (set-buffer folder)
- (setq msgs (nreverse msgs)) ;put in ascending order
- msgs)))
-
-
- (defun mh-next-pick-field (buffer)
- ;; Return the next piece of a pick argument that can be extracted from the
- ;; BUFFER.
- ;; Return a list like ("--fieldname" "pattern") or ("-search" "bodypat")
- ;; or NIL if no pieces remain.
- (set-buffer buffer)
- (let ((case-fold-search t))
- (cond ((eobp)
- nil)
- ((re-search-forward "^\\([a-z][^: \t\n]*\\):[ \t]*\\([a-z0-9].*\\)$" nil t)
- (let* ((component
- (format "--%s"
- (downcase (buffer-substring (match-beginning 1)
- (match-end 1)))))
- (pat (buffer-substring (match-beginning 2) (match-end 2))))
- (forward-line 1)
- (list component pat)))
- ((re-search-forward "^-*$" nil t)
- (forward-char 1)
- (let ((body (buffer-substring (point) (point-max))))
- (if (and (> (length body) 0) (not (equal body "\n")))
- (list "-search" body)
- nil)))
- (t
- nil))))
-
- ;;; Build the pick-mode keymap:
-
- (define-key mh-pick-mode-map "\C-c\C-c" 'mh-do-pick-search)
- (define-key mh-pick-mode-map "\C-c\C-f\C-b" 'mh-to-field)
- (define-key mh-pick-mode-map "\C-c\C-f\C-c" 'mh-to-field)
- (define-key mh-pick-mode-map "\C-c\C-f\C-d" 'mh-to-field)
- (define-key mh-pick-mode-map "\C-c\C-f\C-f" 'mh-to-field)
- (define-key mh-pick-mode-map "\C-c\C-f\C-r" 'mh-to-field)
- (define-key mh-pick-mode-map "\C-c\C-f\C-s" 'mh-to-field)
- (define-key mh-pick-mode-map "\C-c\C-f\C-t" 'mh-to-field)
- (define-key mh-pick-mode-map "\C-c\C-fb" 'mh-to-field)
- (define-key mh-pick-mode-map "\C-c\C-fc" 'mh-to-field)
- (define-key mh-pick-mode-map "\C-c\C-fd" 'mh-to-field)
- (define-key mh-pick-mode-map "\C-c\C-ff" 'mh-to-field)
- (define-key mh-pick-mode-map "\C-c\C-fr" 'mh-to-field)
- (define-key mh-pick-mode-map "\C-c\C-fs" 'mh-to-field)
- (define-key mh-pick-mode-map "\C-c\C-ft" 'mh-to-field)
-