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;; Copyright (C) 2001 Yuuichi Teranishi <teranisi@gohome.org>
;; Author: Yuuichi Teranishi <teranisi@gohome.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:
;;
(require 'elmo)
(require 'elmo-map)
(require 'elmo-dop)
(require 'shimbun)
(eval-when-compile
(require 'cl)
(defun-maybe shimbun-servers-list ()))
(defcustom elmo-shimbun-check-interval 60
"*Check interval for shimbun."
:type 'integer
:group 'elmo)
(defcustom elmo-shimbun-default-index-range 2
"*Default value for the range of header indices."
:type '(choice (const :tag "all" all)
(const :tag "last" last)
(integer :tag "number"))
:group 'elmo)
(defcustom elmo-shimbun-use-cache t
"*If non-nil, use cache for each article."
:type 'boolean
:group 'elmo)
(defcustom elmo-shimbun-index-range-alist nil
"*Alist of FOLDER-REGEXP and RANGE.
FOLDER-REGEXP is the regexp for shimbun folder name.
RANGE is the range of the header indices .
See `shimbun-headers' for more detail about RANGE."
:type '(repeat (cons (regexp :tag "Folder Regexp")
(choice (const :tag "all" all)
(const :tag "last" last)
(integer :tag "number"))))
:group 'elmo)
(defcustom elmo-shimbun-update-overview-folder-list 'all
"*List of FOLDER-REGEXP.
FOLDER-REGEXP is the regexp of shimbun folder name which should be
update overview when message is fetched.
If it is the symbol `all', update overview for all shimbun folders."
:type '(choice (const :tag "All shimbun folders" all)
(repeat (regexp :tag "Folder Regexp")))
:group 'elmo)
;; Shimbun header.
(defsubst elmo-shimbun-header-extra-field (header field-name)
(let ((extra (and header (shimbun-header-extra header))))
(and extra
(cdr (assoc field-name extra)))))
(defsubst elmo-shimbun-header-set-extra-field (header field-name value)
(let ((extras (and header (shimbun-header-extra header)))
extra)
(if (setq extra (assoc field-name extras))
(setcdr extra value)
(shimbun-header-set-extra
header
(cons (cons field-name value) extras)))))
;; Shimbun mua.
(eval-and-compile
(luna-define-class shimbun-elmo-mua (shimbun-mua) (folder))
(luna-define-internal-accessors 'shimbun-elmo-mua))
(luna-define-method shimbun-mua-search-id ((mua shimbun-elmo-mua) id)
(elmo-message-entity (shimbun-elmo-mua-folder-internal mua) id))
(eval-and-compile
(luna-define-class elmo-shimbun-folder
(elmo-map-folder) (shimbun headers header-hash
entity-hash
group range last-check))
(luna-define-internal-accessors 'elmo-shimbun-folder))
(defun elmo-shimbun-folder-entity-hash (folder)
(or (elmo-shimbun-folder-entity-hash-internal folder)
(let ((overviews (elmo-folder-list-message-entities folder))
hash id)
(when overviews
(setq hash (elmo-make-hash (length overviews)))
(dolist (entity overviews)
(elmo-set-hash-val (elmo-message-entity-field entity 'message-id)
entity hash)
(when (setq id (elmo-message-entity-field entity 'x-original-id))
(elmo-set-hash-val id entity hash)))
(elmo-shimbun-folder-set-entity-hash-internal folder hash)))))
(defsubst elmo-shimbun-folder-shimbun-header (folder location)
(let ((hash (elmo-shimbun-folder-header-hash-internal folder)))
(or (and hash (elmo-get-hash-val location hash))
(let ((entity (elmo-message-entity folder location))
(elmo-hash-minimum-size 63)
header)
(when entity
(setq header (elmo-shimbun-entity-to-header entity))
(unless hash
(elmo-shimbun-folder-set-header-hash-internal
folder
(setq hash (elmo-make-hash))))
(elmo-set-hash-val (elmo-message-entity-field entity 'message-id)
header
hash)
header)))))
(defsubst elmo-shimbun-lapse-seconds (time)
(let ((now (current-time)))
(+ (* (- (car now) (car time)) 65536)
(- (nth 1 now) (nth 1 time)))))
(defsubst elmo-shimbun-headers-check-p (folder)
(or (null (elmo-shimbun-folder-last-check-internal folder))
(and (elmo-shimbun-folder-last-check-internal folder)
(> (elmo-shimbun-lapse-seconds
(elmo-shimbun-folder-last-check-internal folder))
elmo-shimbun-check-interval))))
(defun elmo-shimbun-entity-to-header (entity)
(let (message-id shimbun-id)
(if (setq message-id (elmo-message-entity-field entity 'x-original-id))
(setq shimbun-id (elmo-message-entity-field entity 'message-id))
(setq message-id (elmo-message-entity-field entity 'message-id)
shimbun-id nil))
(elmo-with-enable-multibyte
(shimbun-create-header
(elmo-message-entity-number entity)
(elmo-message-entity-field entity 'subject)
(elmo-message-entity-field entity 'from)
(elmo-time-make-date-string
(elmo-message-entity-field entity 'date))
message-id
(elmo-message-entity-field entity 'references)
(elmo-message-entity-field entity 'size)
0
(elmo-message-entity-field entity 'xref)
(and shimbun-id
(list (cons "x-shimbun-id" shimbun-id)))))))
(defsubst elmo-shimbun-folder-header-hash-setup (folder headers)
(let ((hash (or (elmo-shimbun-folder-header-hash-internal folder)
(elmo-make-hash (length headers)))))
(dolist (header headers)
(elmo-set-hash-val (shimbun-header-id header) header hash))
(elmo-shimbun-folder-set-header-hash-internal folder hash)))
(defun elmo-shimbun-get-headers (folder)
(let* ((shimbun (elmo-shimbun-folder-shimbun-internal folder))
(key (concat (shimbun-server shimbun)
"." (shimbun-current-group shimbun)))
(elmo-hash-minimum-size 63)
headers)
;; new headers.
(setq headers
(delq nil
(mapcar
(lambda (x)
(unless (elmo-message-entity folder (shimbun-header-id x))
x))
;; This takes much time.
(shimbun-headers
(elmo-shimbun-folder-shimbun-internal folder)
(elmo-shimbun-folder-range-internal folder)))))
(elmo-shimbun-folder-set-headers-internal folder headers)
(when headers
(elmo-shimbun-folder-header-hash-setup folder headers))
(elmo-shimbun-folder-set-last-check-internal folder (current-time))))
(luna-define-method elmo-folder-initialize ((folder
elmo-shimbun-folder)
name)
(if (string= name "")
folder
(let ((server-group (if (string-match "\\([^.]+\\)\\." name)
(list (match-string 1 name)
(substring name (match-end 0)))
(list name))))
(when (nth 0 server-group) ; server
(elmo-shimbun-folder-set-shimbun-internal
folder
(condition-case nil
(shimbun-open (nth 0 server-group)
(luna-make-entity 'shimbun-elmo-mua :folder folder))
(file-error
(luna-make-entity 'shimbun :server (nth 0 server-group))))))
(when (nth 1 server-group)
(elmo-shimbun-folder-set-group-internal
folder
(nth 1 server-group)))
(elmo-shimbun-folder-set-range-internal
folder
(or (cdr (elmo-string-matched-assoc (elmo-folder-name-internal folder)
elmo-shimbun-index-range-alist))
elmo-shimbun-default-index-range))
folder)))
(luna-define-method elmo-folder-open-internal ((folder elmo-shimbun-folder))
(when (elmo-shimbun-folder-shimbun-internal folder)
(shimbun-open-group
(elmo-shimbun-folder-shimbun-internal folder)
(elmo-shimbun-folder-group-internal folder))
(let ((inhibit-quit t))
(unless (elmo-location-map-alist folder)
(elmo-location-map-setup
folder
(elmo-msgdb-location-load (elmo-folder-msgdb-path folder))))
(when (and (elmo-folder-plugged-p folder)
(elmo-shimbun-headers-check-p folder))
(elmo-shimbun-get-headers folder)
(elmo-location-map-update
folder
(elmo-map-folder-list-message-locations folder))))))
(luna-define-method elmo-folder-reserve-status-p ((folder elmo-shimbun-folder))
t)
(luna-define-method elmo-folder-local-p ((folder elmo-shimbun-folder))
nil)
(luna-define-method elmo-message-use-cache-p ((folder elmo-shimbun-folder)
number)
elmo-shimbun-use-cache)
(luna-define-method elmo-folder-close-internal :after ((folder
elmo-shimbun-folder))
(shimbun-close-group
(elmo-shimbun-folder-shimbun-internal folder))
(elmo-shimbun-folder-set-headers-internal
folder nil)
(elmo-shimbun-folder-set-header-hash-internal
folder nil)
(elmo-shimbun-folder-set-entity-hash-internal
folder nil)
(elmo-shimbun-folder-set-last-check-internal
folder nil))
(luna-define-method elmo-folder-plugged-p ((folder elmo-shimbun-folder))
(if (elmo-shimbun-folder-shimbun-internal folder)
(elmo-plugged-p
"shimbun"
(shimbun-server (elmo-shimbun-folder-shimbun-internal folder))
nil nil
(shimbun-server (elmo-shimbun-folder-shimbun-internal folder)))
t))
(luna-define-method elmo-folder-set-plugged ((folder elmo-shimbun-folder)
plugged &optional add)
(elmo-set-plugged plugged
"shimbun"
(shimbun-server
(elmo-shimbun-folder-shimbun-internal folder))
nil nil nil
(shimbun-server
(elmo-shimbun-folder-shimbun-internal folder))
add))
(luna-define-method elmo-net-port-info ((folder elmo-shimbun-folder))
(list "shimbun"
(shimbun-server
(elmo-shimbun-folder-shimbun-internal folder))
nil))
(luna-define-method elmo-folder-check :around ((folder elmo-shimbun-folder))
(when (shimbun-current-group
(elmo-shimbun-folder-shimbun-internal folder))
(when (and (elmo-folder-plugged-p folder)
(elmo-shimbun-headers-check-p folder))
(elmo-shimbun-get-headers folder)
(luna-call-next-method))))
(luna-define-method elmo-folder-clear :around ((folder elmo-shimbun-folder)
&optional keep-killed)
(elmo-shimbun-folder-set-headers-internal folder nil)
(elmo-shimbun-folder-set-header-hash-internal folder nil)
(elmo-shimbun-folder-set-entity-hash-internal folder nil)
(elmo-shimbun-folder-set-last-check-internal folder nil)
(luna-call-next-method))
(luna-define-method elmo-folder-expand-msgdb-path ((folder
elmo-shimbun-folder))
(expand-file-name
(concat (shimbun-server
(elmo-shimbun-folder-shimbun-internal folder))
"/"
(elmo-shimbun-folder-group-internal folder))
(expand-file-name "shimbun" elmo-msgdb-directory)))
(defun elmo-shimbun-msgdb-create-entity (folder number)
(let ((header (elmo-shimbun-folder-shimbun-header
folder
(elmo-map-message-location folder number)))
ov)
(when header
(with-temp-buffer
(shimbun-header-insert
(elmo-shimbun-folder-shimbun-internal folder)
header)
(setq ov (elmo-msgdb-create-message-entity-from-header
(elmo-msgdb-message-entity-handler
(elmo-folder-msgdb-internal folder)) number))
(elmo-message-entity-set-field
ov
'xref (shimbun-header-xref header)))
ov)))
(luna-define-method elmo-folder-msgdb-create ((folder elmo-shimbun-folder)
numlist flag-table)
(let ((new-msgdb (elmo-make-msgdb))
entity msgid flags)
(elmo-with-progress-display (elmo-folder-msgdb-create (length numlist))
"Creating msgdb"
(dolist (number numlist)
(setq entity (elmo-shimbun-msgdb-create-entity folder number))
(when entity
(setq msgid (elmo-message-entity-field entity 'message-id)
flags (elmo-flag-table-get flag-table msgid))
(elmo-global-flags-set flags folder number msgid)
(elmo-msgdb-append-entity new-msgdb entity flags))
(elmo-progress-notify 'elmo-folder-msgdb-create)))
new-msgdb))
(luna-define-method elmo-folder-message-file-p ((folder elmo-shimbun-folder))
nil)
(defsubst elmo-shimbun-update-overview (folder entity shimbun-id header)
(let ((message-id (shimbun-header-id header))
references)
(when (elmo-msgdb-update-entity
(elmo-folder-msgdb folder)
entity
(nconc
(unless (string= shimbun-id message-id)
(elmo-shimbun-header-set-extra-field
header "x-shimbun-id" shimbun-id)
(elmo-set-hash-val message-id
entity
(elmo-shimbun-folder-entity-hash folder))
(elmo-set-hash-val shimbun-id
entity
(elmo-shimbun-folder-entity-hash folder))
(list (cons 'x-original-id message-id)))
(list
(cons 'from (shimbun-header-from header 'no-encode))
(cons 'subject (shimbun-header-subject header 'no-encode))
(cons 'date (shimbun-header-date header))
(cons 'references
(elmo-msgdb-get-references-from-header)))))
(elmo-emit-signal 'update-overview folder
(elmo-message-entity-number entity)))))
(luna-define-method elmo-map-message-fetch ((folder elmo-shimbun-folder)
location strategy
&optional section unseen)
(if (elmo-folder-plugged-p folder)
(let ((header (elmo-shimbun-folder-shimbun-header
folder
location))
shimbun-id)
(shimbun-article (elmo-shimbun-folder-shimbun-internal folder)
header)
(when (or (eq elmo-shimbun-update-overview-folder-list 'all)
(elmo-string-match-member
(elmo-folder-name-internal folder)
elmo-shimbun-update-overview-folder-list))
(let ((entity (elmo-message-entity folder location)))
(when entity
(elmo-shimbun-update-overview folder entity location header))))
(when (setq shimbun-id
(elmo-shimbun-header-extra-field header "x-shimbun-id"))
(goto-char (point-min))
(insert (format "X-Shimbun-Id: %s\n" shimbun-id)))
t)
(error "Unplugged")))
(luna-define-method elmo-message-encache :around ((folder
elmo-shimbun-folder)
number &optional read)
(if (elmo-folder-plugged-p folder)
(luna-call-next-method)
(if elmo-enable-disconnected-operation
(elmo-message-encache-dop folder number read)
(error "Unplugged"))))
(luna-define-method elmo-folder-list-messages-internal :around
((folder elmo-shimbun-folder) &optional nohide)
(if (elmo-folder-plugged-p folder)
(luna-call-next-method)
t))
(luna-define-method elmo-map-folder-list-message-locations
((folder elmo-shimbun-folder))
(let ((expire-days (shimbun-article-expiration-days
(elmo-shimbun-folder-shimbun-internal folder))))
(elmo-uniq-list
(nconc
(delq nil
(mapcar
(lambda (ov)
(when (and (elmo-message-entity-field ov 'xref)
(if expire-days
(< (elmo-shimbun-lapse-seconds
(elmo-message-entity-field ov 'date))
(* expire-days 86400 ; seconds per day
))
t))
(elmo-message-entity-field ov 'message-id)))
(elmo-folder-list-message-entities folder)))
(mapcar
(lambda (header)
(or (elmo-shimbun-header-extra-field header "x-shimbun-id")
(shimbun-header-id header)))
(elmo-shimbun-folder-headers-internal folder))))))
(luna-define-method elmo-folder-list-subfolders ((folder elmo-shimbun-folder)
&optional one-level)
(let ((prefix (elmo-folder-prefix-internal folder)))
(cond ((elmo-shimbun-folder-shimbun-internal folder)
(unless (elmo-shimbun-folder-group-internal folder)
(mapcar
(lambda (fld)
(concat prefix
(shimbun-server
(elmo-shimbun-folder-shimbun-internal folder))
"." fld))
(shimbun-groups (elmo-shimbun-folder-shimbun-internal folder)))))
;; the rest are for "@/" group
(one-level
(mapcar
(lambda (server) (list (concat prefix server)))
(shimbun-servers-list)))
(t
(let (folders)
(dolist (server (shimbun-servers-list))
(setq folders
(append folders
(mapcar
(lambda (group) (concat prefix server "." group))
(shimbun-groups
(elmo-shimbun-folder-shimbun-internal
(elmo-get-folder (concat prefix server))))))))
folders)))))
(luna-define-method elmo-folder-exists-p ((folder elmo-shimbun-folder))
(if (elmo-shimbun-folder-group-internal folder)
(if (fboundp 'shimbun-group-p)
(shimbun-group-p (elmo-shimbun-folder-shimbun-internal folder)
(elmo-shimbun-folder-group-internal folder))
(member
(elmo-shimbun-folder-group-internal folder)
(shimbun-groups (elmo-shimbun-folder-shimbun-internal folder))))
t))
(luna-define-method elmo-folder-delete-messages ((folder elmo-shimbun-folder)
numbers)
(elmo-folder-kill-messages folder numbers)
t)
(luna-define-method elmo-message-entity-parent ((folder elmo-shimbun-folder)
entity)
(let ((references (elmo-message-entity-field entity 'references))
parent)
;; In old msgdb, references's field is a string.
(when (stringp references)
(setq references (list references)))
(while references
(setq references
(if (setq parent (elmo-get-hash-val
(car references)
(elmo-shimbun-folder-entity-hash folder)))
nil
(cdr references))))
parent))
(require 'product)
(product-provide (provide 'elmo-shimbun) (require 'elmo-version))
;;; elmo-shimbun.el ends here
|