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;;; mew-virtual.el --- Virtual mode for Mew
;; Author: Kazu Yamamoto <Kazu@Mew.org>
;; Created: Oct 2, 1996
;;; Code:
(require 'mew)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Virtual info
;;;
(defvar mew-vinfo-list
'("func" "lra" "top" "db" "column"
"mode" ;; 'selection or 'thread
"physical-folder"
"original-folder")) ;; tt back from Thread
(mew-blinfo-defun 'mew-vinfo mew-vinfo-list)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Virtual mode
;;;
(defun mew-virtual-mode ()
"A major mode to visualize messages in a virtual folder.
\\{mew-summary-mode-map}"
(interactive)
(setq major-mode 'mew-virtual-mode)
(setq mode-line-buffer-identification (mew-mode-line-id))
(use-local-map mew-summary-mode-map)
(setq buffer-read-only t)
(setq truncate-lines t)
;;
(make-local-variable 'tab-width)
(make-local-variable 'search-invisible)
(setq search-invisible nil)
(unless (mew-thread-p)
(jit-lock-register 'mew-summary-cook-region))
(mew-sinfo-set-disp-msg t)
;;
(mew-summary-mode-name mew-mode-name-virtual)
(mew-summary-setup-mode-line)
(mew-summary-setup-decoration)
(mew-highlight-cursor-line)
(run-hooks 'mew-virtual-mode-hook))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Making Virtual mode
;;;
(defun mew-summary-selection-by-pick (&optional regionp)
"Making selection according to a specified pick pattern.
'mewl' or 'grep' is called as a picking command. If called with
'\\[universal-argument]', the target is the region."
(interactive "P")
(mew-pickable
(mew-summary-with-mewl
(let* ((ofolder (mew-summary-folder-name 'ext))
(vfolder (mew-folder-to-selection ofolder))
(pfolder (mew-summary-physical-folder))
(msgs (mew-summary-pick-msgs pfolder regionp))
(prompt (format "%s/%s virtual" mew-prog-mewl mew-prog-grep))
(prog mew-prog-grep)
(opts mew-prog-grep-opts)
mew-inherit-pick-mewlp
grepp pattern prog-opts-pat
rfolder lra)
(if (not msgs)
(message "No message")
(setq pattern (mew-input-pick-pattern prompt))
(cond
((string= pattern "")
(setq prog-opts-pat (mew-input-pick-command prog opts))
(mew-set '(prog opts pattern) prog-opts-pat)
(setq grepp t))
(t
(setq pattern (mew-pick-canonicalize-pattern pattern))
(unless mew-inherit-pick-mewlp (setq grepp t))))
(if (and grepp (not (mew-which-exec prog)))
(message "'%s' not found" prog)
(setq rfolder (mew-expand-folder2 pfolder))
(setq lra (list (cons rfolder pfolder)))
(mew-summary-switch-to-folder vfolder)
(when (mew-summary-exclusive-p)
(mew-vinfo-set-mode 'selection)
(mew-vinfo-set-physical-folder pfolder)
(mew-vinfo-set-original-folder ofolder)
(cond
(grepp
(mew-sinfo-set-find-key pattern)
(message "Picking messages in %s..." pfolder)
(mew-summary-selection-by-pick-with-grep prog opts pattern pfolder msgs rfolder lra))
(t
(mew-sinfo-set-find-key nil)
(message "Picking messages in %s..." pfolder)
(mew-summary-selection-by-pick-with-mewl pattern pfolder msgs rfolder lra))))))))))
(defun mew-summary-selection-by-pick-with-mewl (pattern folder src-msgs rfolder lra)
"Create selection with 'mewl'"
(let ((opts (list "-a" "-p" pattern "-b" mew-mail-path))
(range (mew-summary-pick-range src-msgs)))
(setq rfolder (mew-scan-mewl-folder rfolder))
(if range
(setq opts (nconc opts (list rfolder range)))
(setq opts (nconc opts (list rfolder))))
(mew-local-retrieve 'vir opts nil lra)))
(defun mew-summary-selection-by-pick-with-grep (prog opts pattern folder msgs rfolder lra)
"Create selection with 'grep'"
(interactive)
(let ((file-rttl (mew-summary-selection-by-pick-with-grep1 prog opts pattern rfolder msgs))
file rttl func args)
(mew-set '(file rttl) file-rttl)
(setq func `(lambda () (mew-delete-file ,file)))
(setq args (list "-i" file))
(mew-local-retrieve 'vir args func lra nil rttl)))
(defun mew-summary-selection-by-pick-with-grep1 (prog opts pattern folder msgs)
(let ((dir (mew-expand-folder folder))
(file (mew-make-temp-name))
(rttl 0) nxt)
(if (= (length msgs) 1) (setq msgs (cons null-device msgs)))
(if pattern (setq pattern (mew-cs-encode-arg pattern)))
(with-temp-buffer
(mew-set-buffer-multibyte t)
(cd dir)
(mew-piolet mew-cs-text-for-read mew-cs-text-for-write
(mew-alet ;; xxx
(while msgs
(goto-char (point-max))
(setq nxt (nthcdr mew-prog-grep-max-msgs msgs))
(if nxt (mew-ntake mew-prog-grep-max-msgs msgs))
(apply 'call-process prog nil t nil
(append opts (and pattern (list pattern)) msgs))
(setq msgs nxt)))
(setq msgs nil)
(goto-char (point-min))
(while (re-search-forward mew-regex-message-files2 nil t)
(setq msgs (cons (mew-match-string 1) msgs))
(forward-line))
(setq msgs (mew-uniq-list msgs))
(setq msgs (mapcar 'string-to-number msgs))
(setq msgs (sort msgs '<))
(setq msgs (mapcar 'number-to-string msgs)))
(mew-erase-buffer)
(setq rttl (length msgs))
(insert "CD: " folder "\n")
(mapc (lambda (x) (insert (mew-msg-get-filename x) "\n")) msgs)
(mew-frwlet mew-cs-text-for-read mew-cs-text-for-write
(write-region (point-min) (point-max) file nil 'no-msg))
(list file rttl))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; mark virtual
;;;
(defun mew-summary-selection-by-mark (&optional ask-mark)
"Making selection for messages marked with '*'.
If called with '\\[universal-argument]', you can specify a target mark."
(interactive "P")
(if (not (mew-pickable))
(message "This command cannot be used in this folder")
(let* ((ofolder (mew-summary-folder-name 'ext))
(vfolder (mew-folder-to-selection ofolder))
(pfolder (mew-summary-physical-folder))
(mark mew-mark-review)
(start (point))
(case-fold-search nil)
beg line med regex)
(if ask-mark (setq mark (mew-input-mark)))
(setq regex (mew-mark-regex mark))
;;
(mew-summary-switch-to-folder vfolder)
(mew-vinfo-set-mode 'selection)
(mew-vinfo-set-physical-folder pfolder)
(mew-vinfo-set-original-folder ofolder)
(mew-erase-buffer)
;;
(set-buffer pfolder)
(goto-char (point-min))
(while (re-search-forward regex nil t)
(beginning-of-line)
(setq beg (point))
(forward-line)
;; This must be buffer-substring
(setq line (buffer-substring beg (point)))
(with-current-buffer vfolder
(mew-elet
(insert line)
(save-excursion
(when (and (search-backward "\r")
(setq med (point))
(looking-at mew-regex-sumsyn-short))
(goto-char (match-beginning 1))
(insert pfolder)
(put-text-property med (point) 'invisible t))))))
(goto-char start)
(set-buffer vfolder)
(mew-summary-set-count-line)
;; Unmarking in both Summary and Thread
(if (char-equal mark mew-mark-review)
(mew-mark-undo-mark mark 'no-msg 'virtual-only)))))
(provide 'mew-virtual)
;;; Copyright Notice:
;; Copyright (C) 1996-2010 Mew developing team.
;; All rights reserved.
;; Redistribution and use in source and binary forms, with or without
;; modification, are permitted provided that the following conditions
;; are met:
;;
;; 1. Redistributions of source code must retain the above copyright
;; notice, this list of conditions and the following disclaimer.
;; 2. Redistributions in binary form must reproduce the above copyright
;; notice, this list of conditions and the following disclaimer in the
;; documentation and/or other materials provided with the distribution.
;; 3. Neither the name of the team nor the names of its contributors
;; may be used to endorse or promote products derived from this software
;; without specific prior written permission.
;;
;; THIS SOFTWARE IS PROVIDED BY THE TEAM AND CONTRIBUTORS ``AS IS'' AND
;; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
;; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
;; PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE TEAM OR CONTRIBUTORS BE
;; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
;; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
;; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
;; BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
;; WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
;; OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
;; IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;; mew-virtual.el ends here
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