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;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
;; Copyright (C) 2000 Masahiro MURATA <muse@ba2.so-net.ne.jp>
;; Author: Yuuichi Teranishi <teranisi@gohome.org>
;; Masahiro MURATA <muse@ba2.so-net.ne.jp>
;; 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-vars)
(require 'elmo-util)
(require 'emu)
(require 'std11)
(require 'mime)
(require 'modb)
;;; MSGDB interface.
;;
;; MSGDB elmo-load-msgdb PATH MIME-CHARSET
;; MSGDB elmo-make-msgdb LOCATION TYPE
;; elmo-msgdb-sort-by-date MSGDB
;; elmo-flag-table-load
;; elmo-flag-table-set
;; elmo-flag-table-get
;; elmo-flag-table-save
;; elmo-msgdb-overview-save DIR OBJ
;;; Abolish
;; elmo-msgdb-get-parent-entity ENTITY MSGDB
;; elmo-msgdb-killed-list-load DIR
;; elmo-msgdb-killed-list-save DIR
;; elmo-msgdb-append-to-killed-list FOLDER MSG
;; elmo-msgdb-killed-list-length KILLED-LIST
;; elmo-msgdb-max-of-killed KILLED-LIST
;; elmo-msgdb-killed-message-p KILLED-LIST MSG
;; elmo-living-messages MESSAGES KILLED-LIST
;; elmo-msgdb-finfo-load
;; elmo-msgdb-finfo-save
;; elmo-msgdb-flist-load
;; elmo-msgdb-flist-save
;; elmo-crosspost-alist-load
;; elmo-crosspost-alist-save
;; elmo-folder-get-info
;; elmo-folder-get-info-max
;; elmo-folder-get-info-length
;; elmo-folder-get-info-unread
;;; message entity wrappers
;;
(defsubst elmo-message-entity-number (entity)
(elmo-msgdb-message-entity-number (elmo-message-entity-handler entity)
entity))
(defsubst elmo-message-entity-set-number (entity number)
(elmo-msgdb-message-entity-set-number (elmo-message-entity-handler entity)
entity
number))
(defsubst elmo-message-entity-field (entity field &optional type)
"Get message entity field value.
ENTITY is the message entity structure obtained by `elmo-message-entity'.
FIELD is the symbol of the field name.
If optional argument TYPE is specified, return converted value."
(elmo-msgdb-message-entity-field (elmo-message-entity-handler entity)
entity field type))
(defsubst elmo-message-entity-set-field (entity field value)
"Set message entity field value.
ENTITY is the message entity structure.
FIELD is the symbol of the field name.
VALUE is the field value."
(elmo-msgdb-message-entity-set-field (elmo-message-entity-handler entity)
entity field value))
(defconst elmo-msgdb-load-priorities '(legacy standard)
"Priority list of modb type for load.")
;;; Helper functions for MSGDB
;;
(defun elmo-load-msgdb (location mime-charset)
"Load the MSGDB from PATH."
(let ((msgdb (elmo-make-msgdb location elmo-msgdb-default-type mime-charset))
priorities loaded temp-modb)
(unless (elmo-msgdb-load msgdb)
(setq priorities
(delq elmo-msgdb-default-type
(copy-sequence elmo-msgdb-load-priorities)))
(while (and priorities
(not loaded))
(setq temp-modb (elmo-make-msgdb location
(car priorities)
mime-charset)
loaded (elmo-msgdb-load temp-modb)
priorities (cdr priorities)))
(when loaded
(if (eq elmo-msgdb-convert-type 'auto)
(elmo-msgdb-append msgdb temp-modb)
(setq msgdb temp-modb))))
msgdb))
(defun elmo-make-msgdb (&optional location type mime-charset)
"Make a MSGDB."
(let* ((type (or type elmo-msgdb-default-type))
(class (intern (format "modb-%s" type))))
(require class)
(luna-make-entity class
:location location
:mime-charset mime-charset)))
(defun elmo-msgdb-extra-fields (&optional non-virtual)
(if non-virtual
(apply
#'nconc
(mapcar
(lambda (extra)
(let ((spec (assq (intern extra) modb-entity-field-extractor-alist)))
(if spec
(let ((real-fields (nth 2 spec)))
(cond ((functionp real-fields)
(funcall real-fields extra))
((listp real-fields)
(copy-sequence real-fields))))
(list extra))))
elmo-msgdb-extra-fields))
elmo-msgdb-extra-fields))
(defun elmo-msgdb-sort-by-date (msgdb)
(elmo-msgdb-sort-entities
msgdb
(lambda (x y app-data)
(condition-case nil
(elmo-time<
(elmo-message-entity-field x 'date)
(elmo-message-entity-field y 'date))
(error)))))
(defsubst elmo-msgdb-get-parent-entity (entity msgdb)
;; Set parent-ids to entity.
(setq entity (elmo-message-entity-field entity 'references))
;; In old msgdb, references's field is a string.
(when (stringp entity)
(setq entity (list entity)))
(let (parent)
(while entity
(setq entity
(if (setq parent (elmo-msgdb-message-entity msgdb (car entity)))
nil
(cdr entity))))
parent))
;;;
(defsubst elmo-msgdb-append-element (list element)
(if list
;;; (append list (list element))
(nconc list (list element))
;; list is nil
(list element)))
;;
;; number <-> Message-ID handling
;;
(defsubst elmo-msgdb-number-add (alist number id)
(let ((ret-val alist))
(setq ret-val
(elmo-msgdb-append-element ret-val (cons number id)))
ret-val))
;;; flag table
;;
(defvar elmo-flag-table-filename "flag-table")
(defun elmo-flag-table-load (dir)
"Load flag hashtable for MSGDB."
(let ((table (elmo-make-hash))
;; For backward compatibility
(seen-file (expand-file-name elmo-msgdb-seen-filename dir))
value)
(when (file-exists-p seen-file)
(dolist (msgid (elmo-object-load seen-file))
(elmo-set-hash-val msgid '(read) table))
(delete-file seen-file))
(dolist (pair (elmo-object-load
(expand-file-name elmo-flag-table-filename dir)))
(setq value (cdr pair))
(elmo-set-hash-val (car pair)
(cond ((consp value)
value)
;; Following cases for backward compatibility.
(value
(list value))
(t
'(unread)))
table))
table))
(defun elmo-flag-table-set (flag-table msg-id flags)
(elmo-set-hash-val msg-id (or flags '(read)) flag-table))
(defun elmo-flag-table-get (flag-table msg-id)
(let ((flags (elmo-get-hash-val msg-id flag-table)))
(append
(and (elmo-file-cache-exists-p msg-id)
'(cached))
(if flags
(elmo-list-delete '(cached read)
(copy-sequence flags)
#'delq)
'(new unread)))))
(defun elmo-flag-table-save (dir flag-table)
(elmo-object-save
(expand-file-name elmo-flag-table-filename dir)
(if flag-table
(let (list)
(mapatoms (lambda (atom)
(setq list (cons (cons (symbol-name atom)
(symbol-value atom))
list)))
flag-table)
list))))
;;;
;; persistent mark handling
;; (for each folder)
(defun elmo-msgdb-mark-append (alist id mark)
"Append mark."
(setq alist (elmo-msgdb-append-element alist
(list id mark))))
(defun elmo-msgdb-flag-table (msgdb &optional flag-table)
;; Make a table of msgid flag (read, answered)
(let ((flag-table (or flag-table
(elmo-make-hash (elmo-msgdb-length msgdb))))
msg-id)
(dolist (number (elmo-msgdb-list-messages msgdb))
(when (setq msg-id (elmo-msgdb-message-field msgdb number 'message-id))
(elmo-flag-table-set flag-table
msg-id
(elmo-msgdb-flags msgdb number))))
flag-table))
(defun elmo-multiple-fields-body-list (field-names &optional boundary)
"Return list of each field-bodies of FIELD-NAMES of the message header
in current buffer. If BOUNDARY is not nil, it is used as message
header separator."
(save-excursion
(save-restriction
(std11-narrow-to-header boundary)
(let* ((case-fold-search t)
(s-rest field-names)
field-name field-body)
(while (setq field-name (car s-rest))
(goto-char (point-min))
(while (re-search-forward (concat "^" field-name ":[ \t]*") nil t)
(setq field-body
(nconc field-body
(list (buffer-substring-no-properties
(match-end 0) (std11-field-end))))))
(setq s-rest (cdr s-rest)))
field-body))))
(defsubst elmo-msgdb-remove-field-string (string)
(if (string-match (concat std11-field-head-regexp "[ \t]*") string)
(substring string (match-end 0))
string))
(defsubst elmo-msgdb-seen-load (dir)
(elmo-object-load (expand-file-name
elmo-msgdb-seen-filename
dir)))
(defsubst elmo-msgdb-out-of-date-messages (msgdb)
(dolist (number (elmo-msgdb-list-flagged msgdb 'new))
(elmo-msgdb-unset-flag msgdb number 'new)))
;;
;; deleted message handling
;;
(defun elmo-msgdb-killed-list-load (dir)
(elmo-object-load
(expand-file-name elmo-msgdb-killed-filename dir)
nil t))
(defun elmo-msgdb-killed-list-save (dir killed-list)
(elmo-object-save
(expand-file-name elmo-msgdb-killed-filename dir)
killed-list))
(defun elmo-msgdb-killed-message-p (killed-list msg)
(elmo-number-set-member msg killed-list))
(defun elmo-msgdb-set-as-killed (killed-list msg)
(elmo-number-set-append killed-list msg))
(defun elmo-msgdb-killed-list-length (killed-list)
(let ((killed killed-list)
(ret-val 0))
(while (car killed)
(if (consp (car killed))
(setq ret-val (+ ret-val 1 (- (cdar killed) (caar killed))))
(setq ret-val (+ ret-val 1)))
(setq killed (cdr killed)))
ret-val))
(defun elmo-msgdb-max-of-killed (killed-list)
(let ((klist killed-list)
(max 0)
k)
(while (car klist)
(if (< max
(setq k
(if (consp (car klist))
(cdar klist)
(car klist))))
(setq max k))
(setq klist (cdr klist)))
max))
(defun elmo-living-messages (messages killed-list)
(if killed-list
(delq nil
(mapcar (lambda (number)
(unless (elmo-number-set-member number killed-list)
number))
messages))
messages))
(defun elmo-msgdb-finfo-load ()
(elmo-object-load (expand-file-name
elmo-msgdb-finfo-filename
elmo-msgdb-directory)
elmo-mime-charset t))
(defun elmo-msgdb-finfo-save (finfo)
(elmo-object-save (expand-file-name
elmo-msgdb-finfo-filename
elmo-msgdb-directory)
finfo elmo-mime-charset))
(defun elmo-msgdb-flist-load (fname)
(let ((flist-file (expand-file-name
elmo-msgdb-flist-filename
(expand-file-name
(elmo-safe-filename fname)
(expand-file-name "folder" elmo-msgdb-directory)))))
(elmo-object-load flist-file elmo-mime-charset t)))
(defun elmo-msgdb-flist-save (fname flist)
(let ((flist-file (expand-file-name
elmo-msgdb-flist-filename
(expand-file-name
(elmo-safe-filename fname)
(expand-file-name "folder" elmo-msgdb-directory)))))
(elmo-object-save flist-file flist elmo-mime-charset)))
(defun elmo-crosspost-alist-load ()
(elmo-object-load (expand-file-name
elmo-crosspost-alist-filename
elmo-msgdb-directory)
nil t))
(defun elmo-crosspost-alist-save (alist)
(elmo-object-save (expand-file-name
elmo-crosspost-alist-filename
elmo-msgdb-directory)
alist))
(defsubst elmo-folder-get-info (folder &optional hashtb)
(elmo-get-hash-val folder
(or hashtb elmo-folder-info-hashtb)))
(defun elmo-folder-get-info-max (folder)
"Get folder info from cache."
(nth 3 (elmo-folder-get-info folder)))
(defun elmo-folder-get-info-length (folder)
(nth 2 (elmo-folder-get-info folder)))
(defun elmo-folder-get-info-unread (folder)
(nth 1 (elmo-folder-get-info folder)))
(defsubst elmo-msgdb-location-load (dir)
(elmo-object-load
(expand-file-name
elmo-msgdb-location-filename
dir)))
(defsubst elmo-msgdb-location-add (alist number location)
(let ((ret-val alist))
(setq ret-val
(elmo-msgdb-append-element ret-val (cons number location)))
ret-val))
(defsubst elmo-msgdb-location-save (dir alist)
(elmo-object-save
(expand-file-name
elmo-msgdb-location-filename
dir) alist))
;;; For backward compatibility.
(defsubst elmo-msgdb-overview-entity-get-number (entity)
(elmo-message-entity-number entity))
(defsubst elmo-msgdb-overview-entity-set-number (entity number)
(elmo-message-entity-set-number entity number))
(defsubst elmo-msgdb-overview-entity-get-references (entity)
(elmo-message-entity-field entity 'references))
(defsubst elmo-msgdb-overview-entity-set-references (entity references)
(elmo-message-entity-set-field entity 'references references))
(defsubst elmo-msgdb-overview-entity-get-from-no-decode (entity)
(elmo-mime-charset-encode-string
(elmo-message-entity-field entity 'from) elmo-mime-charset))
(defsubst elmo-msgdb-overview-entity-get-from (entity)
(elmo-message-entity-field entity 'from))
(defsubst elmo-msgdb-overview-entity-set-from (entity from)
(elmo-message-entity-set-field entity 'from from))
(defsubst elmo-msgdb-overview-entity-get-subject (entity)
(elmo-message-entity-field entity 'subject))
(defsubst elmo-msgdb-overview-entity-get-subject-no-decode (entity)
(elmo-mime-charset-encode-string
(elmo-message-entity-field entity 'subject) elmo-mime-charset))
(defsubst elmo-msgdb-overview-entity-set-subject (entity subject)
(elmo-message-entity-set-field entity 'subject subject))
(defsubst elmo-msgdb-overview-entity-get-date (entity)
(elmo-message-entity-field entity 'date 'string))
(defsubst elmo-msgdb-overview-entity-set-date (entity date)
(elmo-message-entity-set-field entity 'date date))
(defsubst elmo-msgdb-overview-entity-get-to (entity)
(elmo-message-entity-field entity 'to 'string))
(defsubst elmo-msgdb-overview-entity-get-cc (entity)
(elmo-message-entity-field entity 'cc 'string))
(defsubst elmo-msgdb-overview-entity-get-size (entity)
(elmo-message-entity-field entity 'size))
(defsubst elmo-msgdb-overview-entity-set-size (entity size)
(elmo-message-entity-set-field entity 'size size))
(defsubst elmo-msgdb-overview-entity-get-extra (entity)
;; Truely obsolete.
)
(defsubst elmo-msgdb-overview-entity-set-extra (entity extra)
;; Truely obsolete.
)
(defsubst elmo-msgdb-overview-entity-get-extra-field (entity
field-name)
(elmo-message-entity-field entity (intern field-name)))
(defsubst elmo-msgdb-overview-entity-set-extra-field (entity
field-name
value)
(elmo-message-entity-set-field entity (intern field-name) value))
(require 'product)
(product-provide (provide 'elmo-msgdb) (require 'elmo-version))
;;; elmo-msgdb.el ends here
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