/usr/share/emacs/site-lisp/wl/elmo/elmo-localdir.el is in wl-beta 2.15.9+0.20151119-1.
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;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
;; Copyright (C) 1998,1999,2000 Masahiro MURATA <muse@ba2.so-net.ne.jp>
;; Copyright (C) 1999,2000 Kenichi OKADA <okada@opaopa.org>
;; Author: Yuuichi Teranishi <teranisi@gohome.org>
;; Masahiro MURATA <muse@ba2.so-net.ne.jp>
;; Kenichi OKADA <okada@opaopa.org>
;; Keywords: mail, net news
;; This file is part of ELMO (Elisp Library for Message Orchestration).
;; This program 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.
;;
;; This program 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:
;;
(eval-when-compile (require 'cl))
(require 'elmo-msgdb)
(require 'elmo)
(defcustom elmo-localdir-folder-path "~/Mail"
"*Local mail directory (MH format) path."
:type 'directory
:group 'elmo)
(defvar elmo-localdir-lockfile-list nil)
;;; ELMO Local directory folder
(eval-and-compile
(luna-define-class elmo-localdir-folder (elmo-folder elmo-file-tag)
(dir-name directory))
(luna-define-internal-accessors 'elmo-localdir-folder))
;;; elmo-localdir specific methods.
(luna-define-generic elmo-localdir-folder-path (folder)
"Return local directory path of the FOLDER.")
(luna-define-generic elmo-localdir-folder-name (folder name)
"Return directory NAME for FOLDER.")
(luna-define-method elmo-localdir-folder-path ((folder elmo-localdir-folder))
elmo-localdir-folder-path)
(luna-define-method elmo-localdir-folder-name ((folder elmo-localdir-folder)
name)
name)
(luna-define-method elmo-folder-initialize ((folder
elmo-localdir-folder)
name)
(elmo-localdir-folder-set-dir-name-internal folder name)
(if (file-name-absolute-p name)
(elmo-localdir-folder-set-directory-internal
folder
(expand-file-name name))
(elmo-localdir-folder-set-directory-internal
folder
(expand-file-name
(elmo-localdir-folder-name folder name)
(elmo-localdir-folder-path folder))))
folder)
;; open, check, commit, and close are generic.
(luna-define-method elmo-folder-exists-p ((folder elmo-localdir-folder))
(file-directory-p (elmo-localdir-folder-directory-internal folder)))
(luna-define-method elmo-folder-expand-msgdb-path ((folder
elmo-localdir-folder))
(let* ((dir-name (elmo-localdir-folder-dir-name-internal folder))
(path (mapconcat
'identity
(delete ""
(mapcar
'elmo-replace-string-as-filename
(split-string
(if (file-name-absolute-p dir-name)
(expand-file-name dir-name)
dir-name)
"/")))
"/")))
(expand-file-name
path
(expand-file-name ;;"localdir" or "localdir-abs"
(concat
(symbol-name (elmo-folder-type-internal folder))
(when (file-name-absolute-p dir-name) "-abs"))
elmo-msgdb-directory))))
(luna-define-method elmo-message-file-name ((folder
elmo-localdir-folder)
number)
(expand-file-name (number-to-string number)
(elmo-localdir-folder-directory-internal folder)))
(luna-define-method elmo-folder-message-file-number-p ((folder
elmo-localdir-folder))
t)
(luna-define-method elmo-folder-message-file-directory ((folder
elmo-localdir-folder))
(elmo-localdir-folder-directory-internal folder))
(luna-define-method elmo-folder-message-make-temp-file-p
((folder elmo-localdir-folder))
t)
(luna-define-method elmo-folder-message-make-temp-files ((folder
elmo-localdir-folder)
numbers
&optional
start-number)
(let ((temp-dir (elmo-folder-make-temporary-directory folder))
(cur-number (or start-number 0)))
(dolist (number numbers)
(elmo-copy-file
(expand-file-name
(number-to-string number)
(elmo-localdir-folder-directory-internal folder))
(expand-file-name
(number-to-string (if start-number cur-number number))
temp-dir))
(incf cur-number))
temp-dir))
(defun elmo-localdir-msgdb-create-entity (msgdb dir number)
(elmo-msgdb-create-message-entity-from-file
(elmo-msgdb-message-entity-handler msgdb)
number (expand-file-name (number-to-string number) dir)))
(luna-define-method elmo-folder-msgdb-create ((folder elmo-localdir-folder)
numbers
flag-table)
(when numbers
(let ((dir (elmo-localdir-folder-directory-internal folder))
(new-msgdb (elmo-make-msgdb))
entity message-id flags)
(elmo-with-progress-display (elmo-folder-msgdb-create (length numbers))
"Creating msgdb"
(dolist (number numbers)
(setq entity (elmo-localdir-msgdb-create-entity
new-msgdb dir number))
(when entity
(setq message-id (elmo-message-entity-field entity 'message-id)
flags (elmo-flag-table-get flag-table message-id))
(elmo-global-flags-set flags folder number message-id)
(elmo-msgdb-append-entity new-msgdb entity flags))
(elmo-progress-notify 'elmo-folder-msgdb-create)))
new-msgdb)))
(luna-define-method elmo-folder-list-subfolders ((folder elmo-localdir-folder)
&optional one-level)
(elmo-mapcar-list-of-list
(lambda (x) (concat (elmo-folder-prefix-internal folder) x))
(elmo-list-subdirectories
(elmo-localdir-folder-path folder)
(or (elmo-localdir-folder-dir-name-internal folder) "")
one-level)))
(defsubst elmo-localdir-list-subr (folder &optional nonsort)
(let ((flist (mapcar 'string-to-number
(directory-files
(elmo-localdir-folder-directory-internal folder)
nil "^[0-9]+$" t)))
(killed (elmo-msgdb-killed-list-load (elmo-folder-msgdb-path folder))))
(if nonsort
(cons (elmo-max-of-list flist)
(if killed
(- (length flist)
(elmo-msgdb-killed-list-length killed))
(length flist)))
(sort flist '<))))
(luna-define-method elmo-folder-append-buffer ((folder elmo-localdir-folder)
&optional flags number
return-number)
(let ((filename (elmo-message-file-name
folder
(or number
(1+ (car (elmo-folder-status folder)))))))
(when (and (file-writable-p filename)
(not (file-exists-p filename)))
(write-region-as-binary
(point-min) (point-max) filename nil 'no-msg)
(elmo-folder-preserve-flags
folder (elmo-msgdb-get-message-id-from-buffer) flags)
(if return-number
(car (elmo-folder-status folder))
t))))
(defun elmo-folder-append-messages-*-localdir (folder
src-folder
numbers
same-number)
(let ((src-msgdb-exists (not (zerop (elmo-folder-length src-folder))))
(dir (elmo-localdir-folder-directory-internal folder))
(table (elmo-folder-flag-table folder))
(succeeds numbers)
(next-num (1+ (car (elmo-folder-status folder))))
flags id)
(while numbers
(setq flags (elmo-message-flags src-folder (car numbers)))
(elmo-copy-file
(elmo-message-file-name src-folder (car numbers))
(expand-file-name
(number-to-string
(if same-number (car numbers) next-num))
dir))
;; save flag-table only when src folder's msgdb is loaded.
(when (setq id (and src-msgdb-exists
(elmo-message-field src-folder (car numbers)
'message-id)))
(elmo-flag-table-set table id flags))
(elmo-progress-notify 'elmo-folder-move-messages)
(if (and (setq numbers (cdr numbers))
(not same-number))
(setq next-num
(if (elmo-localdir-locked-p)
;; MDA is running.
(1+ (car (elmo-folder-status folder)))
(1+ next-num)))))
(when (elmo-folder-persistent-p folder)
(elmo-folder-close-flag-table folder))
succeeds))
(luna-define-method elmo-folder-delete-messages-internal
((folder elmo-localdir-folder) numbers)
(dolist (number numbers)
(elmo-localdir-delete-message folder number))
t)
(defun elmo-localdir-delete-message (folder number)
"Delete message in the FOLDER with NUMBER."
(let ((filename (elmo-message-file-name folder number)))
(when (and (string-match "[0-9]+" filename) ; for safety.
(file-exists-p filename)
(file-writable-p filename)
(not (file-directory-p filename)))
(delete-file filename)
t)))
(luna-define-method elmo-message-fetch-internal ((folder elmo-localdir-folder)
number strategy
&optional section unread)
(let ((filename (elmo-message-file-name folder number)))
(when (file-exists-p filename)
(insert-file-contents-as-raw-text filename))))
(luna-define-method elmo-folder-list-messages-internal
((folder elmo-localdir-folder) &optional nohide)
(elmo-localdir-list-subr folder))
(luna-define-method elmo-folder-status ((folder elmo-localdir-folder))
(elmo-localdir-list-subr folder t))
(luna-define-method elmo-folder-creatable-p ((folder elmo-localdir-folder))
t)
(luna-define-method elmo-folder-writable-p ((folder elmo-localdir-folder))
t)
(luna-define-method elmo-folder-create ((folder elmo-localdir-folder))
(let ((dir (elmo-localdir-folder-directory-internal folder)))
(if (file-directory-p dir)
()
(if (file-exists-p dir)
(error "Create folder failed")
(elmo-make-directory dir))
t)))
(luna-define-method elmo-folder-delete ((folder elmo-localdir-folder))
(let ((msgs (and (elmo-folder-exists-p folder)
(elmo-folder-list-messages folder))))
(when (yes-or-no-p (format "%sDelete msgdb and substance of \"%s\"? "
(if (> (length msgs) 0)
(format "%d msg(s) exists. " (length msgs))
"")
(elmo-folder-name-internal folder)))
(let ((dir (elmo-localdir-folder-directory-internal folder)))
(if (not (file-directory-p dir))
(error "No such directory: %s" dir)
(elmo-delete-match-files dir "[0-9]+" t)))
(elmo-msgdb-delete-path folder)
t)))
(luna-define-method elmo-folder-rename-internal ((folder elmo-localdir-folder)
new-folder)
(let* ((old (elmo-localdir-folder-directory-internal folder))
(new (elmo-localdir-folder-directory-internal new-folder))
(new-dir (directory-file-name (file-name-directory new))))
(unless (file-directory-p old)
(error "No such directory: %s" old))
(when (file-exists-p new)
(error "Already exists directory: %s" new))
(unless (file-directory-p new-dir)
(elmo-make-directory new-dir))
(rename-file old new)
t))
(luna-define-method elmo-folder-pack-numbers ((folder elmo-localdir-folder))
(let* ((dir (elmo-localdir-folder-directory-internal folder))
(msgdb (elmo-folder-msgdb folder))
(new-msgdb (elmo-make-msgdb (elmo-folder-msgdb-path folder)))
(numbers (sort (elmo-folder-list-messages
folder
nil
(not elmo-pack-number-check-strict))
'<))
(new-number 1) ; first ordinal position in localdir
entity)
(elmo-with-progress-display (elmo-folder-pack-numbers (length numbers))
"Packing"
(dolist (old-number numbers)
(setq entity (elmo-msgdb-message-entity msgdb old-number))
(when (/= old-number new-number)
(elmo-bind-directory dir
;; xxx nfs,hardlink
(rename-file (number-to-string old-number)
(number-to-string new-number) t))
(elmo-message-entity-set-number entity new-number))
(elmo-msgdb-append-entity new-msgdb entity
(elmo-msgdb-flags msgdb old-number))
(elmo-emit-signal 'message-number-changed folder old-number new-number)
(setq new-number (1+ new-number))))
(message "Packing...done")
(elmo-folder-set-msgdb-internal folder new-msgdb)))
(luna-define-method elmo-folder-message-file-p ((folder elmo-localdir-folder))
t)
(defun elmo-localdir-locked-p ()
(if elmo-localdir-lockfile-list
(let ((lock elmo-localdir-lockfile-list))
(catch 'found
(while lock
(if (file-exists-p (car lock))
(throw 'found t))
(setq lock (cdr lock)))))))
(autoload 'elmo-global-flags-set "elmo-flag")
(require 'product)
(product-provide (provide 'elmo-localdir) (require 'elmo-version))
;;; elmo-localdir.el ends here
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