wl/wl-folder.el

   1 ;;; wl-folder.el -- Folder mode for Wanderlust.
   2
   3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
   4 ;; Copyright (C) 1998,1999,2000 Masahiro MURATA <muse@ba2.so-net.ne.jp>
   5
   6 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
   7 ;;      Masahiro MURATA <muse@ba2.so-net.ne.jp>
   8 ;; Keywords: mail, net news
   9
  10 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
  11
  12 ;; This program is free software; you can redistribute it and/or modify
  13 ;; it under the terms of the GNU General Public License as published by
  14 ;; the Free Software Foundation; either version 2, or (at your option)
  15 ;; any later version.
  16 ;;
  17 ;; This program is distributed in the hope that it will be useful,
  18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;; GNU General Public License for more details.
  21 ;;
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  25 ;; Boston, MA 02111-1307, USA.
  26 ;;
  27
  28 ;;; Commentary:
  29 ;;
  30
  31 ;;; Code:
  32 ;;
  33
  34 (require 'elmo-vars)
  35 (require 'elmo-util)
  36 (require 'elmo)
  37 (require 'wl-vars)
  38 (condition-case ()
  39     (require 'easymenu) ; needed here.
  40   (error))
  41
  42 (eval-when-compile
  43   (require 'cl)
  44   (require 'wl-util)
  45   (provide 'wl-folder)
  46   (require 'wl)
  47   (require 'elmo-nntp))
  48
  49 (defvar wl-folder-buffer-name "Folder")
  50 (defvar wl-folder-entity nil)           ; desktop entity.
  51 (defvar wl-folder-group-alist nil)      ; opened or closed
  52 (defvar wl-folder-entity-id nil) ; id
  53 (defvar wl-folder-entity-hashtb nil)
  54 (defvar wl-folder-entity-id-name-hashtb nil)
  55 (defvar wl-folder-elmo-folder-hashtb nil)  ; name => elmo folder structure
  56
  57 (defvar wl-folder-newsgroups-hashtb nil)
  58 (defvar wl-folder-info-alist-modified nil)
  59 (defvar wl-folder-completion-function nil)
  60
  61 (defvar wl-folder-mode-map nil)
  62
  63 (defvar wl-folder-buffer-disp-summary nil)
  64 (defvar wl-folder-buffer-cur-entity-id nil)
  65 (defvar wl-folder-buffer-cur-path nil)
  66 (defvar wl-folder-buffer-cur-point nil)
  67
  68 (make-variable-buffer-local 'wl-folder-buffer-disp-summary)
  69 (make-variable-buffer-local 'wl-folder-buffer-cur-entity-id)
  70 (make-variable-buffer-local 'wl-folder-buffer-cur-path)
  71 (make-variable-buffer-local 'wl-folder-buffer-cur-point)
  72
  73 (defconst wl-folder-entity-regexp "^\\([ ]*\\)\\(\\[[\\+-]\\]\\)?\\([^\\[].+\\):[-*0-9]+/[-*0-9]+/[-*0-9]+")
  74 (defconst wl-folder-group-regexp  "^\\([ ]*\\)\\[\\([\\+-]\\)\\]\\(.+\\):[-0-9-]+/[0-9-]+/[0-9-]+\n")
  75 ;;                              1:indent 2:opened 3:group-name
  76 (defconst wl-folder-unsync-regexp ":[^0\\*][0-9]*/[0-9\\*-]+/[0-9\\*-]+$")
  77
  78 (defvar wl-folder-mode-menu-spec
  79   '("Folder"
  80     ["Enter Current Folder" wl-folder-jump-to-current-entity t]
  81     ["Prev Folder"          wl-folder-prev-entity t]
  82     ["Next Folder"          wl-folder-next-entity t]
  83     ["Check Current Folder" wl-folder-check-current-entity t]
  84     ["Sync Current Folder"  wl-folder-sync-current-entity t]
  85 ;    ["Drop Current Folder" wl-folder-drop-unsync-current-entity t]
  86     ["Prefetch Current Folder" wl-folder-prefetch-current-entity t]
  87     ["Mark as Read all Current Folder" wl-folder-mark-as-read-all-current-entity t]
  88     ["Expire Current Folder" wl-folder-expire-current-entity t]
  89     ["Empty trash" wl-folder-empty-trash t]
  90     ["Flush queue" wl-folder-flush-queue t]
  91     ["Open All" wl-folder-open-all t]
  92     ["Open All Unread folder" wl-folder-open-all-unread-folder t]
  93     ["Close All" wl-folder-close-all t]
  94     ("Folder Manager"
  95      ["Add folder" wl-fldmgr-add t]
  96      ["Add group" wl-fldmgr-make-group t]
  97      ["Copy" wl-fldmgr-copy t]
  98      ["Cut" wl-fldmgr-cut t]
  99      ["Paste" wl-fldmgr-yank t]
 100      ["Set petname" wl-fldmgr-set-petname t]
 101      ["Rename" wl-fldmgr-rename t]
 102      ["Save" wl-fldmgr-save-folders t]
 103      "----"
 104      ["Unsubscribe" wl-fldmgr-unsubscribe t]
 105      ["Display all" wl-fldmgr-access-display-all t])
 106     "----"
 107     ["Write a message" wl-draft t]
 108     "----"
 109     ["Toggle Plug Status" wl-toggle-plugged t]
 110     ["Change Plug Status" wl-plugged-change t]
 111     "----"
 112     ["Save Current Status"  wl-save t]
 113     ["Update Satus"         wl-status-update t]
 114     ["Exit"                 wl-exit t]
 115     ))
 116
 117 (if wl-on-xemacs
 118     (defun wl-folder-setup-mouse ()
 119       (define-key wl-folder-mode-map 'button2 'wl-folder-click)
 120       (define-key wl-folder-mode-map 'button4 'wl-folder-prev-entity)
 121       (define-key wl-folder-mode-map 'button5 'wl-folder-next-entity)
 122       (define-key wl-folder-mode-map [(shift button4)]
 123         'wl-folder-prev-unread)
 124       (define-key wl-folder-mode-map [(shift button5)]
 125         'wl-folder-next-unread))
 126   (defun wl-folder-setup-mouse ()
 127     (define-key wl-folder-mode-map [mouse-2] 'wl-folder-click)
 128     (define-key wl-folder-mode-map [mouse-4] 'wl-folder-prev-entity)
 129     (define-key wl-folder-mode-map [mouse-5] 'wl-folder-next-entity)
 130     (define-key wl-folder-mode-map [S-mouse-4] 'wl-folder-prev-unread)
 131     (define-key wl-folder-mode-map [S-mouse-5] 'wl-folder-next-unread)))
 132
 133 (if wl-folder-mode-map
 134     nil
 135   (setq wl-folder-mode-map (make-sparse-keymap))
 136   (define-key wl-folder-mode-map " "    'wl-folder-jump-to-current-entity)
 137 ;  (define-key wl-folder-mode-map "\M- " 'wl-folder-open-close)
 138   (define-key wl-folder-mode-map "/"    'wl-folder-open-close)
 139   (define-key wl-folder-mode-map "\C-m" 'wl-folder-jump-to-current-entity)
 140   (define-key wl-folder-mode-map "\M-\C-m" 'wl-folder-update-recursive-current-entity)
 141   (define-key wl-folder-mode-map "rc"    'wl-folder-mark-as-read-all-region)
 142   (define-key wl-folder-mode-map "c"    'wl-folder-mark-as-read-all-current-entity)
 143   (define-key wl-folder-mode-map "g"    'wl-folder-goto-folder)
 144   (define-key wl-folder-mode-map "j"    'wl-folder-jump-to-current-entity)
 145   (define-key wl-folder-mode-map "w"    'wl-draft)
 146   (define-key wl-folder-mode-map "W"    'wl-folder-write-current-folder)
 147   (define-key wl-folder-mode-map "\C-c\C-o" 'wl-jump-to-draft-buffer)
 148   (define-key wl-folder-mode-map "\C-c\C-a" 'wl-addrmgr)
 149   (define-key wl-folder-mode-map "rS"   'wl-folder-sync-region)
 150   (define-key wl-folder-mode-map "S"    'wl-folder-sync-current-entity)
 151   (define-key wl-folder-mode-map "rs"   'wl-folder-check-region)
 152   (define-key wl-folder-mode-map "s"    'wl-folder-check-current-entity)
 153   (define-key wl-folder-mode-map "I"    'wl-folder-prefetch-current-entity)
 154 ;  (define-key wl-folder-mode-map "D"    'wl-folder-drop-unsync-current-entity)
 155   (define-key wl-folder-mode-map "p"    'wl-folder-prev-entity)
 156   (define-key wl-folder-mode-map "n"    'wl-folder-next-entity)
 157   (define-key wl-folder-mode-map "v"    'wl-folder-toggle-disp-summary)
 158   (define-key wl-folder-mode-map "P"    'wl-folder-prev-unread)
 159   (define-key wl-folder-mode-map "N"    'wl-folder-next-unread)
 160   (define-key wl-folder-mode-map "J"    'wl-folder-jump-folder)
 161   (define-key wl-folder-mode-map "f"    'wl-folder-goto-first-unread-folder)
 162   (define-key wl-folder-mode-map "o"    'wl-folder-open-all-unread-folder)
 163   (define-key wl-folder-mode-map "["    'wl-folder-open-all)
 164   (define-key wl-folder-mode-map "]"    'wl-folder-close-all)
 165   (define-key wl-folder-mode-map "e"    'wl-folder-expire-current-entity)
 166   (define-key wl-folder-mode-map "E"    'wl-folder-empty-trash)
 167   (define-key wl-folder-mode-map "F"    'wl-folder-flush-queue)
 168   (define-key wl-folder-mode-map "q"    'wl-exit)
 169   (define-key wl-folder-mode-map "z"    'wl-folder-suspend)
 170   (define-key wl-folder-mode-map "\M-t" 'wl-toggle-plugged)
 171   (define-key wl-folder-mode-map "\C-t" 'wl-plugged-change)
 172   (define-key wl-folder-mode-map "<"    'beginning-of-buffer)
 173   (define-key wl-folder-mode-map ">"    'end-of-buffer)
 174   ;; wl-fldmgr
 175   (define-key wl-folder-mode-map "m"    'wl-fldmgr-mode-map)
 176   (define-key wl-folder-mode-map "*"    'wl-fldmgr-make-multi)
 177   (define-key wl-folder-mode-map "+"    'wl-fldmgr-make-group)
 178   (define-key wl-folder-mode-map "|"    'wl-fldmgr-make-filter)
 179   (define-key wl-folder-mode-map "\M-c" 'wl-fldmgr-copy)
 180   (define-key wl-folder-mode-map "\M-w" 'wl-fldmgr-copy-region)
 181   (define-key wl-folder-mode-map "\C-k" 'wl-fldmgr-cut)
 182   (define-key wl-folder-mode-map "\C-w" 'wl-fldmgr-cut-region)
 183   (define-key wl-folder-mode-map "\C-y" 'wl-fldmgr-yank)
 184   (define-key wl-folder-mode-map "R"    'wl-fldmgr-rename)
 185   (define-key wl-folder-mode-map "u"    'wl-fldmgr-unsubscribe)
 186   (define-key wl-folder-mode-map "ru"   'wl-fldmgr-unsubscribe-region)
 187   (define-key wl-folder-mode-map "U"    'wl-fldmgr-unsubscribe-region)
 188   (define-key wl-folder-mode-map "l"    'wl-fldmgr-access-display-normal)
 189   (define-key wl-folder-mode-map "L"    'wl-fldmgr-access-display-all)
 190   (define-key wl-folder-mode-map "Z"    'wl-status-update)
 191   (define-key wl-folder-mode-map "\C-x\C-s" 'wl-save)
 192   (define-key wl-folder-mode-map "\M-s"     'wl-save)
 193   (define-key wl-folder-mode-map "\C-xk"    'wl-folder-mimic-kill-buffer)
 194   (define-key wl-folder-mode-map "\M-\C-a"
 195     'wl-folder-goto-top-of-current-folder)
 196   (define-key wl-folder-mode-map "\M-\C-e"
 197     'wl-folder-goto-bottom-of-current-folder)
 198
 199   (wl-folder-setup-mouse)
 200   (easy-menu-define
 201    wl-folder-mode-menu
 202    wl-folder-mode-map
 203    "Menu used in Folder mode."
 204    wl-folder-mode-menu-spec))
 205
 206 (defmacro wl-folder-unread-regex (group)
 207   (` (concat "^[ ]*.+:[0-9\\*-]+/[^0\\*][0-9]*/[0-9\\*-]+$"
 208              (if (, group)
 209                  "\\|^[ ]*\\[[+-]\\]"
 210                ""))))
 211
 212 (defmacro wl-folder-buffer-group-p ()
 213   (` (save-excursion (beginning-of-line)
 214                      (looking-at wl-folder-group-regexp))))
 215
 216 (defmacro wl-folder-folder-name ()
 217   (` (save-excursion
 218        (beginning-of-line)
 219        (if (or (looking-at "^[ ]*\\[[\\+-]\\]\\(.+\\):[-0-9\\*-]+/[0-9\\*-]+/[0-9\\*-]+\n")
 220                (looking-at "^[ ]*\\([^\\[].+\\):.*\n"))
 221            (wl-match-buffer 1)))))
 222
 223 (defmacro wl-folder-entity-name ()
 224   (` (save-excursion
 225        (beginning-of-line)
 226        (if (looking-at "^[ ]*\\([^\\[].+\\):.*\n")
 227            (wl-match-buffer 1)))))
 228
 229 (defun wl-folder-buffer-search-group (group)
 230   (re-search-forward
 231    (concat
 232     "^\\([ \t]*\\)\\[[\\+-]\\]"
 233     (regexp-quote group) ":[-0-9-]+/[0-9-]+/[0-9-]+") nil t))
 234
 235 (defun wl-folder-buffer-search-entity (folder &optional searchname)
 236   (let ((search (or searchname (wl-folder-get-petname folder))))
 237     (re-search-forward
 238      (concat
 239       "^[ \t]*"
 240       (regexp-quote search) ":[-0-9\\*-]+/[0-9\\*-]+/[0-9\\*-]+") nil t)))
 241
 242 (defsubst wl-folder-get-folder-name-by-id (entity-id &optional hashtb)
 243   (and (numberp entity-id)
 244        (elmo-get-hash-val (format "#%d" entity-id)
 245                           (or hashtb wl-folder-entity-id-name-hashtb))))
 246
 247 (defsubst wl-folder-set-id-name (entity-id entity &optional hashtb)
 248   (and (numberp entity-id)
 249        (elmo-set-hash-val (format "#%d" entity-id)
 250                           entity (or hashtb wl-folder-entity-id-name-hashtb))))
 251
 252 (defmacro wl-folder-get-entity-id (entity)
 253   (` (or (get-text-property 0
 254                             'wl-folder-entity-id
 255                             (, entity))
 256          (, entity)))) ;; for nemacs
 257
 258 (defmacro wl-folder-get-entity-from-buffer (&optional getid)
 259   (` (let ((id (get-text-property (point)
 260                                   'wl-folder-entity-id)))
 261        (if (not id) ;; for nemacs
 262            (wl-folder-get-realname (wl-folder-folder-name))
 263          (if (, getid)
 264              id
 265            (wl-folder-get-folder-name-by-id id))))))
 266
 267 (defmacro wl-folder-entity-exists-p (entity &optional hashtb)
 268   (` (let ((sym (intern-soft (, entity)
 269                              (or (, hashtb) wl-folder-entity-hashtb))))
 270        (and sym (boundp sym)))))
 271
 272 (defmacro wl-folder-clear-entity-info (entity &optional hashtb)
 273   (` (let ((sym (intern-soft (, entity)
 274                              (or (, hashtb) wl-folder-entity-hashtb))))
 275        (if (boundp sym)
 276            (makunbound sym)))))
 277
 278 (defmacro wl-folder-get-entity-info (entity &optional hashtb)
 279   (` (elmo-get-hash-val (, entity) (or (, hashtb) wl-folder-entity-hashtb))))
 280
 281 (defmacro wl-folder-set-entity-info (entity value &optional hashtb)
 282   (` (let* ((hashtb (or (, hashtb) wl-folder-entity-hashtb))
 283             (info (wl-folder-get-entity-info (, entity) hashtb)))
 284        (elmo-set-hash-val (, entity)
 285                           (if (< (length (, value)) 4)
 286                               (append (, value) (list (nth 3 info)))
 287                             (, value))
 288                           hashtb))))
 289
 290 (defun wl-folder-persistent-p (folder)
 291   (or (and (wl-folder-search-entity-by-name folder wl-folder-entity
 292                                             'folder)
 293            t)   ; on Folder mode.
 294       (catch 'found
 295         (let ((li wl-save-folder-list))
 296           (while li
 297             (if (string-match (car li) folder)
 298                 (throw 'found t))
 299             (setq li (cdr li)))))
 300       (not (catch 'found
 301              (let ((li wl-no-save-folder-list))
 302                (while li
 303                  (if (string-match (car li) folder)
 304                      (throw 'found t))
 305                  (setq li (cdr li))))))))
 306
 307 ;;; ELMO folder structure with cache.
 308 (defmacro wl-folder-get-elmo-folder (entity)
 309   "Get elmo folder structure from entity."
 310   (` (or (wl-folder-elmo-folder-cache-get (, entity))
 311          (let* ((name (elmo-string (, entity)))
 312                 (folder (elmo-make-folder name)))
 313            (wl-folder-elmo-folder-cache-put name folder)
 314            folder))))
 315
 316 (defmacro wl-folder-elmo-folder-cache-get (name &optional hashtb)
 317   "Returns a elmo folder structure associated with NAME from HASHTB.
 318 Default HASHTB is `wl-folder-elmo-folder-hashtb'."
 319   (` (elmo-get-hash-val (, name)
 320                         (or (, hashtb) wl-folder-elmo-folder-hashtb))))
 321
 322 (defmacro wl-folder-elmo-folder-cache-put (name folder &optional hashtb)
 323   "Get folder elmo folder structure on HASHTB for folder with NAME.
 324 Default HASHTB is `wl-folder-elmo-folder-hashtb'."
 325   (` (elmo-set-hash-val (, name) (, folder)
 326                         (or (, hashtb) wl-folder-elmo-folder-hashtb))))
 327
 328 (defun wl-folder-prev-entity ()
 329   (interactive)
 330   (forward-line -1))
 331
 332 (defun wl-folder-next-entity ()
 333   (interactive)
 334   (forward-line 1))
 335
 336 (defun wl-folder-prev-entity-skip-invalid (&optional hereto)
 337   "move to previous entity. skip unsubscribed or removed entity."
 338   (interactive)
 339   (if hereto
 340       (end-of-line))
 341   (if (re-search-backward wl-folder-entity-regexp nil t)
 342       (beginning-of-line)
 343     (goto-char (point-min))))
 344
 345 (defun wl-folder-next-entity-skip-invalid (&optional hereto)
 346   "Move to next entity. skip unsubscribed or removed entity."
 347   (interactive)
 348   (beginning-of-line)
 349   (if (not hereto)
 350       (forward-line 1))
 351   (if (re-search-forward wl-folder-entity-regexp nil t)
 352       (beginning-of-line)
 353     (goto-char (point-max))))
 354
 355 (defun wl-folder-search-group-entity-by-name (name entity)
 356   (wl-folder-search-entity-by-name name entity 'group))
 357
 358 (defun wl-folder-search-entity-by-name (name entity &optional type)
 359   (let ((entities (list entity))
 360         entity-stack)
 361     (catch 'done
 362       (while entities
 363         (setq entity (wl-pop entities))
 364         (cond
 365          ((consp entity)
 366           (if (and (not (eq type 'folder))
 367                    (string= name (car entity)))
 368               (throw 'done entity))
 369           (and entities
 370                (wl-push entities entity-stack))
 371           (setq entities (nth 2 entity)))
 372          ((and (not (eq type 'group))
 373                (stringp entity))
 374           (if (string= name entity)
 375               (throw 'done entity))))
 376         (unless entities
 377           (setq entities (wl-pop entity-stack)))))))
 378
 379 (defun wl-folder-search-entity-list-by-name (name entity &optional get-id)
 380   (let ((entities (list entity))
 381         entity-stack ret-val)
 382     (while entities
 383       (setq entity (wl-pop entities))
 384       (cond
 385        ((consp entity)
 386         (and entities
 387              (wl-push entities entity-stack))
 388         (setq entities (nth 2 entity)))
 389        ((stringp entity)
 390         (if (string= name entity)
 391             (wl-append ret-val (if get-id
 392                                    (list (wl-folder-get-entity-id entity))
 393                                  (list entity))))))
 394       (unless entities
 395         (setq entities (wl-pop entity-stack))))
 396     ret-val))
 397
 398 (defun wl-folder-get-prev-folder (id &optional unread)
 399   (let ((name (if (stringp id)
 400                   id
 401                 (wl-folder-get-folder-name-by-id id)))
 402         entity entity-stack last-entity finfo
 403         (entities (list wl-folder-entity)))
 404     (catch 'done
 405       (while entities
 406         (setq entity (wl-pop entities))
 407         (cond
 408          ((consp entity)
 409 ;;        (if (and (string= name (car entity))
 410 ;;                 (eq id (wl-folder-get-entity-id (car entity))))
 411 ;;            (throw 'done last-entity))
 412           (and entities
 413                (wl-push entities entity-stack))
 414           (setq entities (nth 2 entity)))
 415          ((stringp entity)
 416           (if (and (string= name entity)
 417                    ;; don't use eq, `id' is string on Nemacs.
 418                    (equal id (wl-folder-get-entity-id entity)))
 419               (throw 'done last-entity))
 420           (if (or (not unread)
 421                   (and (setq finfo (wl-folder-get-entity-info entity))
 422                        (and (nth 0 finfo)(nth 1 finfo))
 423                        (> (+ (nth 0 finfo)(nth 1 finfo)) 0)))
 424               (setq last-entity entity))))
 425         (unless entities
 426           (setq entities (wl-pop entity-stack)))))))
 427
 428 (defun wl-folder-get-next-folder (id &optional unread)
 429   (let ((name (if (stringp id)
 430                   id
 431                 (wl-folder-get-folder-name-by-id id)))
 432         entity entity-stack found finfo
 433         (entities (list wl-folder-entity)))
 434     (catch 'done
 435       (while entities
 436         (setq entity (wl-pop entities))
 437         (cond
 438          ((consp entity)
 439 ;;;       (if (and (string= name (car entity))
 440 ;;;                (eq id (wl-folder-get-entity-id (car entity))))
 441 ;;;           (setq found t))
 442           (and entities
 443                (wl-push entities entity-stack))
 444           (setq entities (nth 2 entity)))
 445          ((stringp entity)
 446           (if found
 447               (when (or (not unread)
 448                         (and (setq finfo (wl-folder-get-entity-info entity))
 449                              (and (nth 0 finfo)(nth 1 finfo))
 450                              (> (+ (nth 0 finfo)(nth 1 finfo)) 0)))
 451                 (throw 'done entity))
 452             (if (and (string= name entity)
 453                      ;; don't use eq, `id' is string on Nemacs.
 454                      (equal id (wl-folder-get-entity-id entity)))
 455                 (setq found t)))))
 456         (unless entities
 457           (setq entities (wl-pop entity-stack)))))))
 458
 459 (defun wl-folder-flush-queue ()
 460   "Flush queue."
 461   (interactive)
 462   (let ((cur-buf (current-buffer))
 463         (wl-auto-select-first nil)
 464         (wl-plugged t)
 465         emptied)
 466     (if elmo-enable-disconnected-operation
 467         (elmo-dop-queue-flush 'force)) ; Try flushing all queue.
 468     (if (not (elmo-folder-list-messages
 469               (wl-folder-get-elmo-folder wl-queue-folder)))
 470         (message "No sending queue exists.")
 471       (if wl-stay-folder-window
 472           (wl-folder-select-buffer
 473            (wl-summary-get-buffer-create wl-queue-folder)))
 474       (wl-summary-goto-folder-subr wl-queue-folder 'force-update nil)
 475       (unwind-protect
 476           (wl-draft-queue-flush)
 477         (if (get-buffer-window cur-buf)
 478             (select-window (get-buffer-window cur-buf)))
 479         (set-buffer cur-buf)
 480         (if wl-stay-folder-window
 481             (wl-folder-toggle-disp-summary 'off wl-queue-folder)
 482           (switch-to-buffer cur-buf))))))
 483
 484 (defun wl-folder-empty-trash ()
 485   "Empty trash."
 486   (interactive)
 487   (let ((cur-buf (current-buffer))
 488         (wl-auto-select-first nil)
 489         trash-buf emptied)
 490     (if wl-stay-folder-window
 491         (wl-folder-select-buffer
 492          (wl-summary-get-buffer-create wl-trash-folder)))
 493     (wl-summary-goto-folder-subr wl-trash-folder 'force-update nil nil t)
 494     (setq trash-buf (current-buffer))
 495     (unwind-protect
 496         (setq emptied (wl-summary-delete-all-msgs))
 497       (when emptied
 498         (setq wl-thread-entities nil
 499               wl-thread-entity-list nil)
 500         (if wl-summary-cache-use (wl-summary-save-view-cache))
 501         (elmo-folder-commit wl-summary-buffer-elmo-folder))
 502       (if (get-buffer-window cur-buf)
 503           (select-window (get-buffer-window cur-buf)))
 504       (set-buffer cur-buf)
 505       (if emptied
 506           (wl-folder-set-folder-updated wl-trash-folder '(0 0 0)))
 507       (if wl-stay-folder-window
 508           (wl-folder-toggle-disp-summary 'off wl-trash-folder)
 509         (switch-to-buffer cur-buf))
 510       (and trash-buf
 511            (kill-buffer trash-buf)))))
 512
 513 (defun wl-folder-goto-top-of-current-folder (&optional arg)
 514   "Move backward to the top of the current folder group.
 515 Optional argument ARG is repeart count."
 516   (interactive "P")
 517   (if (re-search-backward
 518        "^ *\\[[\\+-]\\]" nil t (if arg (prefix-numeric-value arg)))
 519       (beginning-of-line)
 520     (goto-char (point-min))))
 521
 522 (defun wl-folder-goto-bottom-of-current-folder (indent)
 523   "Move forward to the bottom of the current folder group."
 524   (interactive
 525    (let ((indent
 526           (save-excursion
 527             (beginning-of-line)
 528             (if (looking-at "^ *")
 529                 (buffer-substring (match-beginning 0)(1- (match-end 0)))
 530               ""))))
 531      (list indent)))
 532   (if (catch 'done
 533         (while (re-search-forward "^ *" nil t)
 534           (if (<= (length (match-string 0))
 535                   (length indent))
 536               (throw 'done nil)))
 537         (throw 'done t))
 538       (goto-char (point-max))))
 539
 540 (defsubst wl-folder-update-group (entity diffs &optional is-group)
 541   (save-excursion
 542     (let ((path (wl-folder-get-path
 543                  wl-folder-entity
 544                  (wl-folder-get-entity-id entity)
 545                  entity)))
 546       (if (not is-group)
 547           ;; delete itself from path
 548           (setq path (delete (nth (- (length path) 1) path) path)))
 549       (goto-char (point-min))
 550       (catch 'done
 551         (while path
 552           ;; goto the path line.
 553           (if (or (eq (car path) 0) ; update desktop
 554                   (wl-folder-buffer-search-group
 555                    (wl-folder-get-petname
 556                     (if (stringp (car path))
 557                         (car path)
 558                       (wl-folder-get-folder-name-by-id
 559                        (car path))))))
 560               ;; update it.
 561               (wl-folder-update-diff-line diffs)
 562             (throw 'done t))
 563           (setq path (cdr path)))))))
 564
 565 (defun wl-folder-maybe-load-folder-list (entity)
 566   (when (null (caddr entity))
 567     (setcdr (cdr entity)
 568             (elmo-msgdb-flist-load (car entity)))
 569     (when (cddr entity)
 570       (let (diffs)
 571         (save-excursion
 572           (wl-folder-entity-assign-id entity
 573                                       wl-folder-entity-id-name-hashtb
 574                                       t)
 575           (setq diffs (wl-fldmgr-add-entity-hashtb (list entity)))
 576           (unless (equal diffs '(0 0 0))
 577             (wl-folder-update-group (car entity) diffs t)))))))
 578
 579 (defsubst wl-folder-force-fetch-p (entity)
 580   (cond
 581    ((consp wl-force-fetch-folders)
 582     (wl-string-match-member entity wl-force-fetch-folders))
 583    (t
 584     wl-force-fetch-folders)))
 585
 586 (defun wl-folder-jump-to-current-entity (&optional arg)
 587   "Enter the current folder.  If optional ARG exists, update folder list."
 588   (interactive "P")
 589   (beginning-of-line)
 590   (let (entity beg end indent opened fname err fld-name)
 591     (cond
 592      ((looking-at wl-folder-group-regexp)
 593       (save-excursion
 594         (setq fname (wl-folder-get-realname (wl-match-buffer 3)))
 595         (setq indent (wl-match-buffer 1))
 596         (setq opened (wl-match-buffer 2))
 597         (if (string= opened "+")
 598             (progn
 599               (setq entity (wl-folder-search-group-entity-by-name
 600                             fname
 601                             wl-folder-entity))
 602               (setq beg (point))
 603               (if arg
 604                   (wl-folder-update-recursive-current-entity entity)
 605                 ;; insert as opened
 606                 (setcdr (assoc (car entity) wl-folder-group-alist) t)
 607                 (if (eq 'access (cadr entity))
 608                     (wl-folder-maybe-load-folder-list entity))
 609                 ;(condition-case errobj
 610                     (progn
 611                       (if (or (wl-folder-force-fetch-p (car entity))
 612                               (and
 613                                (eq 'access (cadr entity))
 614                                (null (caddr entity))))
 615                           (wl-folder-update-newest indent entity)
 616                         (wl-folder-insert-entity indent entity))
 617                       (wl-highlight-folder-path wl-folder-buffer-cur-path))
 618                  ; (quit
 619                  ;  (setq err t)
 620                  ;  (setcdr (assoc fname wl-folder-group-alist) nil))
 621                  ; (error
 622                  ;  (elmo-display-error errobj t)
 623                  ;  (ding)
 624                  ;  (setq err t)
 625                  ;  (setcdr (assoc fname wl-folder-group-alist) nil)))
 626                 (if (not err)
 627                     (let ((buffer-read-only nil))
 628                       (delete-region (save-excursion (beginning-of-line)
 629                                                      (point))
 630                                      (save-excursion (end-of-line)
 631                                                      (+ 1 (point))))))))
 632           (setq beg (point))
 633           (end-of-line)
 634           (save-match-data
 635             (setq end
 636                   (progn (wl-folder-goto-bottom-of-current-folder indent)
 637                          (beginning-of-line)
 638                          (point))))
 639           (setq entity (wl-folder-search-group-entity-by-name
 640                         fname
 641                         wl-folder-entity))
 642           (let ((buffer-read-only nil))
 643             (delete-region beg end))
 644           (setcdr (assoc (car entity) wl-folder-group-alist) nil)
 645           (wl-folder-insert-entity indent entity) ; insert entity
 646           (forward-line -1)
 647           (wl-highlight-folder-path wl-folder-buffer-cur-path)
 648 ;         (wl-delete-all-overlays)
 649 ;         (wl-highlight-folder-current-line)
 650           )))
 651      ((setq fld-name (wl-folder-entity-name))
 652       (wl-folder-set-current-entity-id
 653        (get-text-property (point) 'wl-folder-entity-id))
 654       (setq fld-name (wl-folder-get-folder-name-by-id
 655                       wl-folder-buffer-cur-entity-id))
 656       (let ((summary-buf (wl-summary-get-buffer-create fld-name arg))
 657             error-selecting)
 658         (if (or wl-stay-folder-window wl-summary-use-frame)
 659             (wl-folder-select-buffer summary-buf)
 660           (if (and summary-buf
 661                    (get-buffer-window summary-buf))
 662               (delete-window)))
 663         (wl-summary-goto-folder-subr fld-name
 664                                      (wl-summary-get-sync-range
 665                                       (wl-folder-get-elmo-folder fld-name))
 666                                      nil arg t)))))
 667   (set-buffer-modified-p nil))
 668
 669 (defun wl-folder-close-entity (entity)
 670   (let ((entities (list entity))
 671         entity-stack)
 672     (while entities
 673       (setq entity (wl-pop entities))
 674       (cond
 675        ((consp entity)
 676         (setcdr (assoc (car entity) wl-folder-group-alist) nil)
 677         (and entities
 678              (wl-push entities entity-stack))
 679         (setq entities (nth 2 entity))))
 680       (unless entities
 681         (setq entities (wl-pop entity-stack))))))
 682
 683 (defun wl-folder-update-recursive-current-entity (&optional entity)
 684   (interactive)
 685   (when (wl-folder-buffer-group-p)
 686     (cond
 687      ((string= (wl-match-buffer 2) "+")
 688       (save-excursion
 689         (if entity ()
 690           (setq entity
 691                 (wl-folder-search-group-entity-by-name
 692                  (wl-folder-get-realname (wl-match-buffer 3))
 693                  wl-folder-entity)))
 694         (let ((inhibit-read-only t)
 695               (entities (list entity))
 696               entity-stack err indent)
 697           (while (and entities (not err))
 698             (setq entity (wl-pop entities))
 699             (cond
 700              ((consp entity)
 701               (wl-folder-close-entity entity)
 702               (setcdr (assoc (car entity) wl-folder-group-alist) t)
 703               (unless (wl-folder-buffer-search-group
 704                        (wl-folder-get-petname (car entity)))
 705                 (error "%s: not found group" (car entity)))
 706               (setq indent (wl-match-buffer 1))
 707               (if (eq 'access (cadr entity))
 708                   (wl-folder-maybe-load-folder-list entity))
 709               (beginning-of-line)
 710               (setq err nil)
 711               (save-excursion
 712                 (condition-case errobj
 713                     (wl-folder-update-newest indent entity)
 714                   (quit
 715                    (setq err t)
 716                    (setcdr (assoc (car entity) wl-folder-group-alist) nil))
 717                   (error
 718                    (elmo-display-error errobj t)
 719                    (ding)
 720                    (setq err t)
 721                    (setcdr (assoc (car entity) wl-folder-group-alist) nil)))
 722                 (if (not err)
 723                     (delete-region (save-excursion (beginning-of-line)
 724                                                    (point))
 725                                    (save-excursion (end-of-line)
 726                                                    (+ 1 (point))))))
 727               ;;
 728               (and entities
 729                    (wl-push entities entity-stack))
 730               (setq entities (nth 2 entity))))
 731             (unless entities
 732               (setq entities (wl-pop entity-stack)))))
 733         (set-buffer-modified-p nil)))
 734      (t
 735       (wl-folder-jump-to-current-entity)))))
 736
 737 (defun wl-folder-no-auto-check-folder-p (folder)
 738   (if (stringp folder)
 739       (if (catch 'found
 740             (let ((li wl-auto-check-folder-list))
 741               (while li
 742                 (if (string-match (car li) folder)
 743                     (throw 'found t))
 744                 (setq li (cdr li)))))
 745           nil
 746         (catch 'found
 747           (let ((li wl-auto-uncheck-folder-list))
 748             (while li
 749               (if (string-match (car li) folder)
 750                   (throw 'found t))     ; no check!
 751               (setq li (cdr li))))))))
 752
 753 (defsubst wl-folder-add-folder-info (pre-value value)
 754   (list
 755    (+ (or (nth 0 pre-value) 0) (or (nth 0 value) 0))
 756    (+ (or (nth 1 pre-value) 0) (or (nth 1 value) 0))
 757    (+ (or (nth 2 pre-value) 0) (or (nth 2 value) 0))))
 758
 759 (defun wl-folder-check-entity (entity &optional auto)
 760   "Check unsync message number."
 761   (let ((start-pos (point))
 762         ret-val)
 763     (run-hooks 'wl-folder-check-entity-pre-hook)
 764     (if (and (consp entity)             ;; group entity
 765              wl-folder-check-async)     ;; very fast
 766         (setq ret-val (wl-folder-check-entity-async entity auto))
 767       (save-excursion
 768         (cond
 769          ((consp entity)
 770           (let ((flist (if auto
 771                            (elmo-delete-if
 772                             'wl-folder-no-auto-check-folder-p
 773                             (nth 2 entity))
 774                          (nth 2 entity)))
 775                 (wl-folder-check-entity-pre-hook nil)
 776                 (wl-folder-check-entity-hook nil)
 777                 new unread all)
 778             (while flist
 779               (setq ret-val
 780                     (wl-folder-add-folder-info
 781                      ret-val
 782                      (wl-folder-check-entity (car flist))))
 783               (setq flist (cdr flist)))
 784             ;(wl-folder-buffer-search-entity (car entity))
 785             ;(wl-folder-update-line ret-val)
 786             ))
 787          ((stringp entity)
 788           (message "Checking \"%s\"" entity)
 789           (setq ret-val (wl-folder-check-one-entity
 790                          entity))
 791           (goto-char start-pos)
 792           (sit-for 0))
 793          (t
 794           (message "Uncheck(unplugged) \"%s\"" entity)))))
 795     (if ret-val
 796         (message "Checking \"%s\" is done."
 797                  (if (consp entity) (car entity) entity)))
 798     (run-hooks 'wl-folder-check-entity-hook)
 799     ret-val))
 800
 801 (defun wl-folder-check-one-entity (entity)
 802   (let* ((folder (wl-folder-get-elmo-folder entity))
 803          (nums (condition-case err
 804                    (if (wl-string-match-member entity wl-strict-diff-folders)
 805                        (elmo-strict-folder-diff folder)
 806                      (elmo-folder-diff folder))
 807                  (error
 808                   ;; maybe not exist folder.
 809                   (if (and (not (memq 'elmo-open-error
 810                                       (get (car err) 'error-conditions)))
 811                            (not (elmo-folder-exists-p folder)))
 812                       (wl-folder-create-subr folder)
 813                     (signal (car err) (cdr err))))))
 814          (new (elmo-diff-new nums))
 815          (nums (cons (elmo-diff-unread nums) (elmo-diff-all nums)))
 816          unread unsync nomif)
 817     (if (and (eq wl-folder-notify-deleted 'sync)
 818              (car nums)
 819              (or (> 0 (car nums)) (> 0 (cdr nums))))
 820         (progn
 821           (wl-folder-sync-entity entity)
 822           (setq nums (elmo-folder-diff folder)))
 823       (unless wl-folder-notify-deleted
 824         (setq unsync (if (and (car nums) (> 0 (car nums))) 0 (car nums)))
 825         (setq nomif (if (and (car nums) (> 0 (cdr nums))) 0 (cdr nums)))
 826         (setq nums (cons unsync nomif)))
 827       (setq unread (or ;; If server diff, All unreads are
 828                         ; treated as unsync.
 829                     (if (elmo-folder-use-flag-p folder)
 830                         (car nums))
 831                     (elmo-folder-get-info-unread folder)
 832                     (wl-summary-count-unread (elmo-msgdb-mark-load
 833                                               (elmo-folder-msgdb-path
 834                                                folder)))))
 835       (setq unread (min unread (- (or (cdr nums) 0) (or (car nums) 0))))
 836       (when new (setq unread (- unread new)))
 837       (wl-folder-entity-hashtb-set wl-folder-entity-hashtb entity
 838                                    (list (or new (car nums))
 839                                          unread
 840                                          (cdr nums))
 841                                    (get-buffer wl-folder-buffer-name)))
 842     (setq wl-folder-info-alist-modified t)
 843     (sit-for 0)
 844     (list (if wl-folder-notify-deleted
 845               (car nums)
 846             (or new (max (or (car nums) 0)))) unread (cdr nums))))
 847
 848 (defun wl-folder-check-entity-async (entity &optional auto)
 849   (let ((elmo-nntp-groups-async t)
 850         (elist (if auto
 851                    (elmo-delete-if
 852                     'wl-folder-no-auto-check-folder-p
 853                     (wl-folder-get-entity-list entity))
 854                  (wl-folder-get-entity-list entity)))
 855         (nntp-connection-keys nil)
 856         name folder folder-list
 857         sync-folder-list
 858         async-folder-list
 859         server
 860         ret-val)
 861     (while elist
 862       (setq folder (wl-folder-get-elmo-folder (car elist)))
 863       (if (not (elmo-folder-plugged-p folder))
 864           (message "Uncheck \"%s\"" (car elist))
 865         (setq folder-list
 866               (elmo-folder-get-primitive-list folder))
 867         (cond ((elmo-folder-contains-type folder 'nntp)
 868                (wl-append async-folder-list (list folder))
 869                (while folder-list
 870                  (when (eq (elmo-folder-type-internal (car folder-list))
 871                            'nntp)
 872                    (when (not (string=
 873                                server
 874                                (elmo-net-folder-server-internal
 875                                 (car folder-list))))
 876                      (setq server (elmo-net-folder-server-internal
 877                                    (car folder-list)))
 878                      (message "Checking on \"%s\"" server))
 879                    (setq nntp-connection-keys
 880                          (elmo-nntp-get-folders-info-prepare
 881                           (car folder-list)
 882                           nntp-connection-keys)))
 883                  (setq folder-list (cdr folder-list))))
 884               (t
 885                (wl-append sync-folder-list (list folder)))))
 886       (setq elist (cdr elist)))
 887     ;; check local entity at first
 888     (while (setq folder (pop sync-folder-list))
 889       (if (not (elmo-folder-plugged-p folder))
 890           (message "Uncheck \"%s\"" (elmo-folder-name-internal folder))
 891         (message "Checking \"%s\"" (elmo-folder-name-internal folder))
 892         (setq ret-val
 893               (wl-folder-add-folder-info
 894                ret-val
 895                (wl-folder-check-one-entity (elmo-folder-name-internal
 896                                             folder))))
 897         ;;(sit-for 0)
 898         ))
 899     ;; check network entity at last
 900     (when async-folder-list
 901       (elmo-nntp-get-folders-info nntp-connection-keys)
 902       (while (setq folder (pop async-folder-list))
 903         (if (not (elmo-folder-plugged-p folder))
 904             (message "Uncheck \"%s\"" (elmo-folder-name-internal folder))
 905           (message "Checking \"%s\"" (elmo-folder-name-internal folder))
 906           (setq ret-val
 907                 (wl-folder-add-folder-info
 908                  ret-val
 909                  (wl-folder-check-one-entity (elmo-folder-name-internal
 910                                               folder))))
 911           ;;(sit-for 0)
 912           )))
 913     ret-val))
 914
 915 ;;
 916 (defun wl-folder-resume-entity-hashtb-by-finfo (entity-hashtb info-alist)
 917   "Resume unread info for entity alist."
 918   (let (info)
 919     (while info-alist
 920       (setq info (nth 1 (car info-alist)))
 921       (wl-folder-set-entity-info (caar info-alist)
 922                                  (list (nth 2 info)(nth 3 info)(nth 1 info))
 923                                  entity-hashtb)
 924       (setq info-alist (cdr info-alist)))))
 925
 926 (defun wl-folder-move-path (path)
 927   (let ((fp (if (consp path)
 928                 path
 929               ;; path is entity-id
 930               (wl-folder-get-path wl-folder-entity path))))
 931     (goto-char (point-min))
 932     (while (and fp
 933                 (not (eobp)))
 934       (when (equal (car fp)
 935                    (wl-folder-get-entity-from-buffer t))
 936         (setq fp (cdr fp))
 937         (setq wl-folder-buffer-cur-point (point)))
 938       (forward-line 1))
 939     (and wl-folder-buffer-cur-point
 940          (goto-char wl-folder-buffer-cur-point))))
 941
 942 (defun wl-folder-set-current-entity-id (entity-id)
 943   (let ((buf (get-buffer wl-folder-buffer-name)))
 944     (if buf
 945         (save-excursion
 946           (set-buffer buf)
 947           (setq wl-folder-buffer-cur-entity-id entity-id)
 948           (setq wl-folder-buffer-cur-path (wl-folder-get-path wl-folder-entity
 949                                                               entity-id))
 950           (wl-highlight-folder-path wl-folder-buffer-cur-path)
 951           (and wl-folder-move-cur-folder
 952                wl-folder-buffer-cur-point
 953                (goto-char wl-folder-buffer-cur-point))))
 954     (if (eq (current-buffer) buf)
 955         (and wl-folder-move-cur-folder
 956              wl-folder-buffer-cur-point
 957              (goto-char wl-folder-buffer-cur-point)))))
 958
 959 (defun wl-folder-check-current-entity ()
 960   "Check folder at position.
 961 If current line is group folder, check all sub entries."
 962   (interactive)
 963   (let* ((entity-name (wl-folder-get-entity-from-buffer))
 964          (group (wl-folder-buffer-group-p))
 965          (desktop (string= entity-name wl-folder-desktop-name)))
 966     (when entity-name
 967       (wl-folder-check-entity
 968        (if group
 969            (wl-folder-search-group-entity-by-name entity-name
 970                                                   wl-folder-entity)
 971          entity-name)
 972        desktop))))
 973
 974 (defun wl-folder-sync-entity (entity &optional unread-only)
 975   "Synchronize the msgdb of ENTITY."
 976   (cond
 977    ((consp entity)
 978     (let ((flist (nth 2 entity)))
 979       (while flist
 980         (wl-folder-sync-entity (car flist) unread-only)
 981         (setq flist (cdr flist)))))
 982    ((stringp entity)
 983     (let* ((folder (wl-folder-get-elmo-folder entity))
 984            (nums (wl-folder-get-entity-info entity))
 985            (wl-summary-highlight (if (or (wl-summary-sticky-p folder)
 986                                          (wl-summary-always-sticky-folder-p
 987                                           folder))
 988                                      wl-summary-highlight))
 989            wl-auto-select-first new unread)
 990       (setq new (or (car nums) 0))
 991       (setq unread (or (cadr nums) 0))
 992       (if (or (not unread-only)
 993               (or (< 0 new) (< 0 unread)))
 994           (let ((wl-summary-buffer-name (concat
 995                                          wl-summary-buffer-name
 996                                          (symbol-name this-command)))
 997                 (wl-summary-use-frame nil)
 998                 (wl-summary-always-sticky-folder-list nil))
 999             (save-window-excursion
1000               (save-excursion
1001                 (wl-summary-goto-folder-subr entity
1002                                              (wl-summary-get-sync-range
1003                                               folder)
1004                                              nil nil nil t)
1005                 (wl-summary-exit)))))))))
1006
1007 (defun wl-folder-sync-current-entity (&optional unread-only)
1008   "Synchronize the folder at position.
1009 If current line is group folder, check all subfolders."
1010   (interactive "P")
1011   (save-excursion
1012     (let ((entity-name (wl-folder-get-entity-from-buffer))
1013           (group (wl-folder-buffer-group-p)))
1014       (when (and entity-name
1015                  (y-or-n-p (format "Sync %s?" entity-name)))
1016         (wl-folder-sync-entity
1017          (if group
1018              (wl-folder-search-group-entity-by-name entity-name
1019                                                     wl-folder-entity)
1020            entity-name)
1021          unread-only)
1022         (message "Syncing %s is done!" entity-name)))))
1023
1024 (defun wl-folder-mark-as-read-all-entity (entity)
1025   "Mark as read all messages in the ENTITY."
1026   (cond
1027    ((consp entity)
1028     (let ((flist (nth 2 entity)))
1029       (while flist
1030         (wl-folder-mark-as-read-all-entity (car flist))
1031         (setq flist (cdr flist)))))
1032    ((stringp entity)
1033     (let* ((nums (wl-folder-get-entity-info entity))
1034            (folder (wl-folder-get-elmo-folder entity))
1035            (wl-summary-highlight (if (or (wl-summary-sticky-p folder)
1036                                          (wl-summary-always-sticky-folder-p
1037                                           folder))
1038                                      wl-summary-highlight))
1039            wl-auto-select-first new unread)
1040       (setq new (or (car nums) 0))
1041       (setq unread (or (cadr nums) 0))
1042       (if (or (< 0 new) (< 0 unread))
1043           (save-window-excursion
1044             (save-excursion
1045               (let ((wl-summary-buffer-name (concat
1046                                              wl-summary-buffer-name
1047                                              (symbol-name this-command)))
1048                     (wl-summary-use-frame nil)
1049                     (wl-summary-always-sticky-folder-list nil))
1050                 (wl-summary-goto-folder-subr entity
1051                                              (wl-summary-get-sync-range folder)
1052                                              nil)
1053                 (wl-summary-mark-as-read-all)
1054                 (wl-summary-exit))))
1055         (sit-for 0))))))
1056
1057 (defun wl-folder-mark-as-read-all-current-entity ()
1058   "Mark as read all messages in the folder at position.
1059 If current line is group folder, all subfolders are marked."
1060   (interactive)
1061   (save-excursion
1062     (let ((entity-name (wl-folder-get-entity-from-buffer))
1063           (group (wl-folder-buffer-group-p))
1064           summary-buf)
1065       (when (and entity-name
1066                  (y-or-n-p (format "Mark all messages in %s as read?" entity-name)))
1067         (wl-folder-mark-as-read-all-entity
1068          (if group
1069              (wl-folder-search-group-entity-by-name entity-name
1070                                                     wl-folder-entity)
1071            entity-name))
1072         (message "All messages in %s are marked!" entity-name)))))
1073
1074 (defun wl-folder-check-region (beg end)
1075   (interactive "r")
1076   (goto-char beg)
1077   (beginning-of-line)
1078   (setq beg (point))
1079   (goto-char end)
1080   (beginning-of-line)
1081   (setq end (point))
1082   (goto-char beg)
1083   (let ((inhibit-read-only t)
1084         entity)
1085     (while (< (point) end)
1086       ;; normal folder entity
1087       (if (looking-at "^[\t ]*\\([^\\[]+\\):\\(.*\\)\n")
1088           (save-excursion
1089             (setq entity (wl-folder-get-entity-from-buffer))
1090             (if (not (elmo-folder-plugged-p (wl-folder-get-elmo-folder
1091                                              entity)))
1092                 (message "Uncheck %s" entity)
1093               (message "Checking %s" entity)
1094               (wl-folder-check-one-entity entity)
1095               (sit-for 0))))
1096       (forward-line 1)))
1097   (message ""))
1098
1099 (defun wl-folder-sync-region (beg end)
1100   (interactive "r")
1101   (goto-char beg)
1102   (beginning-of-line)
1103   (setq beg (point))
1104   (goto-char end)
1105   (end-of-line)
1106   (setq end (point))
1107   (goto-char beg)
1108   (while (< (point) end)
1109     ;; normal folder entity
1110     (if (looking-at "^[\t ]*\\([^\\[]+\\):\\(.*\\)\n")
1111         (save-excursion
1112           (let ((inhibit-read-only t)
1113                 entity)
1114             (setq entity (wl-folder-get-entity-from-buffer))
1115             (wl-folder-sync-entity entity)
1116             (message "Syncing %s is done!" entity)
1117             (sit-for 0))))
1118     (forward-line 1))
1119   (message ""))
1120
1121 (defun wl-folder-mark-as-read-all-region (beg end)
1122   (interactive "r")
1123   (goto-char beg)
1124   (beginning-of-line)
1125   (setq beg (point))
1126   (goto-char end)
1127   (end-of-line)
1128   (setq end (point))
1129   (goto-char beg)
1130   (while (< (point) end)
1131     ;; normal folder entity
1132     (if (looking-at "^[\t ]*\\([^\\[]+\\):\\(.*\\)\n")
1133         (save-excursion
1134           (let ((inhibit-read-only t)
1135                 entity)
1136             (setq entity (wl-folder-get-entity-from-buffer))
1137             (wl-folder-mark-as-read-all-entity entity)
1138             (message "All messages in %s are marked!" entity)
1139             (sit-for 0))))
1140     (forward-line 1))
1141   (message ""))
1142
1143 (defsubst wl-create-access-init-load-p (folder)
1144   (let ((no-load-regexp (when (and
1145                                (not wl-folder-init-load-access-folders)
1146                                wl-folder-init-no-load-access-folders)
1147                           (mapconcat 'identity
1148                                      wl-folder-init-no-load-access-folders
1149                                      "\\|")))
1150         (load-regexp (and wl-folder-init-load-access-folders
1151                           (mapconcat 'identity
1152                                      wl-folder-init-load-access-folders
1153                                      "\\|"))))
1154     (cond (load-regexp (string-match load-regexp folder))
1155           (t (not (and no-load-regexp
1156                        (string-match no-load-regexp folder)))))))
1157
1158 (defun wl-create-access-folder-entity (name)
1159   (let (flists flist)
1160     (when (wl-create-access-init-load-p name)
1161       (setq flists (elmo-msgdb-flist-load name)) ; load flist.
1162       (setq flist (car flists))
1163       (while flist
1164         (when (consp (car flist))
1165           (setcdr (cdar flist)
1166                   (wl-create-access-folder-entity (caar flist))))
1167         (setq flist (cdr flist)))
1168       flists)))
1169
1170 (defun wl-create-folder-entity-from-buffer ()
1171   "Create folder entity recursively."
1172   (cond
1173    ((looking-at "^[ \t]*$")             ; blank line
1174     (goto-char (+ 1(match-end 0)))
1175     'ignore)
1176    ((looking-at "^#.*$")                ; comment
1177     (goto-char (+ 1 (match-end 0)))
1178     'ignore)
1179    ((looking-at "^[\t ]*\\(.+\\)[\t ]*{[\t ]*$") ; group definition
1180     (let (name entity flist)
1181       (setq name (wl-match-buffer 1))
1182       (goto-char (+ 1 (match-end 0)))
1183       (while (setq entity (wl-create-folder-entity-from-buffer))
1184         (unless (eq entity 'ignore)
1185           (wl-append flist (list entity))))
1186       (if (looking-at "^[\t ]*}[\t ]*$") ; end of group
1187           (progn
1188             (goto-char (+ 1 (match-end 0)))
1189             (if (wl-string-assoc name wl-folder-petname-alist)
1190                 (error "%s already defined as petname" name))
1191             (list name 'group flist))
1192         (error "Syntax error in folder definition"))))
1193    ((looking-at "^[\t ]*\\([^\t \n]+\\)[\t ]*/$") ; access it!
1194     (let (name)
1195       (setq name (wl-match-buffer 1))
1196       (goto-char (+ 1 (match-end 0)))
1197 ;      (condition-case ()
1198 ;         (unwind-protect
1199 ;             (setq flist (elmo-list-folders name)))
1200 ;       (error (message "Access to folder %s failed." name)))
1201 ;;       (setq flist (elmo-msgdb-flist-load name)) ; load flist.
1202 ;;       (setq unsublist (nth 1 flist))
1203 ;;       (setq flist (car flist))
1204 ;;       (list name 'access flist unsublist)))
1205       (append (list name 'access) (wl-create-access-folder-entity name))))
1206    ;((looking-at "^[\t ]*\\([^\t \n}]+\\)[\t ]*\\(\"[^\"]*\"\\)?[\t ]*$") ; normal folder entity
1207    ((looking-at "^[\t ]*=[ \t]+\\([^\n]+\\)$"); petname definition
1208     (goto-char (+ 1 (match-end 0)))
1209     (let ((rest (elmo-match-buffer 1))
1210           petname)
1211       (when (string-match "\\(\"[^\"]*\"\\)[\t ]*$" rest)
1212         (setq petname (elmo-delete-char ?\" (elmo-match-string 1 rest)))
1213         (setq rest (substring rest 0 (match-beginning 0))))
1214       (when (string-match "^[\t ]*\\(.*[^\t ]+\\)[\t ]+$" rest)
1215         (wl-folder-append-petname (elmo-match-string 1 rest)
1216                                   petname))
1217       'ignore))
1218    ((looking-at "^[ \t]*}[ \t]*$") ; end of group
1219     nil)
1220    ((looking-at "^.*$") ; normal folder entity
1221     (goto-char (+ 1 (match-end 0)))
1222     (let ((rest (elmo-match-buffer 0))
1223           realname petname)
1224       (if (string-match "\\(\"[^\"]*\"\\)[\t ]*$" rest)
1225           (progn
1226             (setq petname (elmo-delete-char ?\" (elmo-match-string 1 rest)))
1227             (setq rest (substring rest 0 (match-beginning 0)))
1228             (when (string-match "^[\t ]*\\(.*[^\t ]+\\)[\t ]+$" rest)
1229               (wl-folder-append-petname
1230                (setq realname (elmo-match-string 1 rest))
1231                petname)
1232               realname))
1233         (if (string-match "^[\t ]*\\(.+\\)$" rest)
1234             (elmo-match-string 1 rest)
1235           rest))))))
1236
1237 (defun wl-folder-create-folder-entity ()
1238   "Create folder entries."
1239   (let ((tmp-buf (get-buffer-create " *wl-folder-tmp*"))
1240         entity ret-val)
1241     (condition-case ()
1242         (progn
1243           (with-current-buffer tmp-buf
1244             (erase-buffer)
1245             (insert-file-contents wl-folders-file)
1246             (goto-char (point-min))
1247             (while (and (not (eobp))
1248                         (setq entity (wl-create-folder-entity-from-buffer)))
1249               (unless (eq entity 'ignore)
1250                 (wl-append ret-val (list entity)))))
1251           (kill-buffer tmp-buf))
1252       (file-error nil))
1253     (setq ret-val (list wl-folder-desktop-name 'group ret-val))))
1254
1255 (defun wl-folder-entity-assign-id (entity &optional hashtb on-noid)
1256   (let ((hashtb (or hashtb
1257                     (setq wl-folder-entity-id-name-hashtb
1258                           (elmo-make-hash wl-folder-entity-id))))
1259         (entities (list entity))
1260         entity-stack)
1261     (while entities
1262       (setq entity (wl-pop entities))
1263       (cond
1264        ((consp entity)
1265         (when (not (and on-noid
1266                         (get-text-property 0
1267                                            'wl-folder-entity-id
1268                                            (car entity))))
1269           (put-text-property 0 (length (car entity))
1270                              'wl-folder-entity-id
1271                              wl-folder-entity-id
1272                              (car entity))
1273           (wl-folder-set-id-name wl-folder-entity-id
1274                                  (car entity) hashtb))
1275         (and entities
1276              (wl-push entities entity-stack))
1277         (setq entities (nth 2 entity)))
1278        ((stringp entity)
1279         (when (not (and on-noid
1280                         (get-text-property 0
1281                                            'wl-folder-entity-id
1282                                            entity)))
1283           (put-text-property 0 (length entity)
1284                              'wl-folder-entity-id
1285                              wl-folder-entity-id
1286                              entity)
1287           (wl-folder-set-id-name wl-folder-entity-id
1288                                  entity hashtb))))
1289       (setq wl-folder-entity-id (+ 1 wl-folder-entity-id))
1290       (unless entities
1291         (setq entities (wl-pop entity-stack))))))
1292
1293 (defun wl-folder-click (e)
1294   (interactive "e")
1295   (mouse-set-point e)
1296   (beginning-of-line)
1297   (save-excursion
1298     (wl-folder-jump-to-current-entity)))
1299
1300 (defun wl-folder-select-buffer (buffer)
1301   (let ((gbw (get-buffer-window buffer))
1302         exists)
1303     (if gbw
1304         (progn (select-window gbw)
1305                (setq exists t))
1306       (unless wl-summary-use-frame
1307         (condition-case ()
1308             (unwind-protect
1309                 (split-window-horizontally wl-folder-window-width)
1310               (other-window 1))
1311           (error nil))))
1312     (set-buffer buffer)
1313     (if wl-summary-use-frame
1314         (switch-to-buffer-other-frame buffer)
1315       (switch-to-buffer buffer))
1316     exists))
1317
1318 (defun wl-folder-toggle-disp-summary (&optional arg folder)
1319   (interactive)
1320   (if (or (and folder (assoc folder wl-folder-group-alist))
1321           (and (interactive-p) (wl-folder-buffer-group-p)))
1322       (error "This command is not available on Group"))
1323   (beginning-of-line)
1324   (let (wl-auto-select-first
1325         (wl-stay-folder-window t))
1326     (cond
1327      ((eq arg 'on)
1328       (setq wl-folder-buffer-disp-summary t))
1329      ((eq arg 'off)
1330       (setq wl-folder-buffer-disp-summary nil)
1331       ;; hide wl-summary window.
1332       (let ((cur-buf (current-buffer))
1333             (summary-buffer (wl-summary-get-buffer folder)))
1334         (wl-folder-select-buffer summary-buffer)
1335         (delete-window)
1336         (select-window (get-buffer-window cur-buf))))
1337      (t
1338       (setq wl-folder-buffer-disp-summary
1339             (not wl-folder-buffer-disp-summary))
1340       (let ((cur-buf (current-buffer))
1341             folder-name)
1342         (when (looking-at "^[ ]*\\([^\\[].+\\):.*\n")
1343           (setq folder-name (wl-folder-get-entity-from-buffer))
1344           (if wl-folder-buffer-disp-summary
1345               (progn
1346                 (wl-folder-select-buffer
1347                  (wl-summary-get-buffer-create folder-name))
1348                 (unwind-protect
1349                     (wl-summary-goto-folder-subr folder-name 'no-sync nil)
1350                   (select-window (get-buffer-window cur-buf))))
1351             (wl-folder-select-buffer (wl-summary-get-buffer folder-name))
1352             (delete-window)
1353             (select-window (get-buffer-window cur-buf)))))))))
1354
1355 (defun wl-folder-prev-unsync ()
1356   "Move cursor to the previous unsync folder."
1357   (interactive)
1358   (let (start-point)
1359     (setq start-point (point))
1360     (beginning-of-line)
1361     (if (re-search-backward wl-folder-unsync-regexp nil t)
1362         (beginning-of-line)
1363       (goto-char start-point)
1364       (message "No more unsync folder"))))
1365
1366 (defun wl-folder-next-unsync (&optional plugged)
1367   "Move cursor to the next unsync."
1368   (interactive)
1369   (let (start-point entity)
1370     (setq start-point (point))
1371     (end-of-line)
1372     (if (catch 'found
1373           (while (re-search-forward wl-folder-unsync-regexp nil t)
1374             (if (or (wl-folder-buffer-group-p)
1375                     (not plugged)
1376                     (setq entity
1377                           (wl-folder-get-realname
1378                            (wl-folder-folder-name)))
1379                     (elmo-folder-plugged-p entity))
1380                 (throw 'found t))))
1381         (beginning-of-line)
1382       (goto-char start-point)
1383       (message "No more unsync folder"))))
1384
1385 (defun wl-folder-prev-unread (&optional group)
1386   "Move cursor to the previous unread folder."
1387   (interactive "P")
1388   (let (start-point)
1389     (setq start-point (point))
1390     (beginning-of-line)
1391     (if (re-search-backward (wl-folder-unread-regex group) nil t)
1392         (progn
1393           (beginning-of-line)
1394           (wl-folder-folder-name))
1395       (goto-char start-point)
1396       (message "No more unread folder")
1397       nil)))
1398
1399 (defun wl-folder-next-unread (&optional group)
1400   "Move cursor to the next unread folder."
1401   (interactive "P")
1402   (let (start-point)
1403     (setq start-point (point))
1404     (end-of-line)
1405     (if (re-search-forward (wl-folder-unread-regex group) nil t)
1406         (progn
1407           (beginning-of-line)
1408           (wl-folder-folder-name))
1409       (goto-char start-point)
1410       (message "No more unread folder")
1411       nil)))
1412
1413 (defun wl-folder-mode ()
1414   "Major mode for Wanderlust Folder.
1415 See Info under Wanderlust for full documentation.
1416
1417 Special commands:
1418 \\{wl-folder-mode-map}
1419
1420 Entering Folder mode calls the value of `wl-folder-mode-hook'."
1421   (interactive)
1422   (setq major-mode 'wl-folder-mode)
1423   (setq mode-name "Folder")
1424   (use-local-map wl-folder-mode-map)
1425   (setq buffer-read-only t)
1426   (setq inhibit-read-only nil)
1427   (setq truncate-lines t)
1428   (setq wl-folder-buffer-cur-entity-id nil
1429         wl-folder-buffer-cur-path nil
1430         wl-folder-buffer-cur-point nil)
1431   (wl-mode-line-buffer-identification)
1432   (easy-menu-add wl-folder-mode-menu)
1433   ;; This hook may contain the functions `wl-folder-init-icons' and
1434   ;; `wl-setup-folder' for reasons of system internal to accord
1435   ;; facilities for the Emacs variants.
1436   (run-hooks 'wl-folder-mode-hook))
1437
1438 (defun wl-folder-append-petname (realname petname)
1439   (let (pentry)
1440     ;; check group name.
1441     (if (wl-folder-search-group-entity-by-name petname wl-folder-entity)
1442         (error "%s already defined as group name" petname))
1443     (when (setq pentry (wl-string-assoc realname wl-folder-petname-alist))
1444       (setq wl-folder-petname-alist
1445             (delete pentry wl-folder-petname-alist)))
1446     (wl-append wl-folder-petname-alist
1447                (list (cons realname petname)))))
1448
1449 (defun wl-folder (&optional arg)
1450   (interactive "P")
1451   (let (initialize folder-buf)
1452     (if (setq folder-buf (get-buffer wl-folder-buffer-name))
1453         (if wl-folder-use-frame
1454             (let (select-frame)
1455               (save-selected-window
1456                 (dolist (frame (visible-frame-list))
1457                   (select-frame frame)
1458                   (if (get-buffer-window folder-buf)
1459                       (setq select-frame frame))))
1460               (if select-frame
1461                   (select-frame select-frame)
1462                 (switch-to-buffer folder-buf)))
1463           (switch-to-buffer folder-buf))
1464       (if wl-folder-use-frame
1465           (switch-to-buffer-other-frame
1466            (get-buffer-create wl-folder-buffer-name))
1467         (switch-to-buffer (get-buffer-create wl-folder-buffer-name)))
1468       (set-buffer wl-folder-buffer-name)
1469       (wl-folder-mode)
1470       ;; Initialization.
1471       (setq wl-folder-entity-id 0)
1472       (wl-folder-entity-assign-id wl-folder-entity)
1473       (setq wl-folder-entity-hashtb
1474             (wl-folder-create-entity-hashtb wl-folder-entity))
1475       (setq wl-folder-elmo-folder-hashtb (elmo-make-hash wl-folder-entity-id))
1476       (setq wl-folder-group-alist
1477             (wl-folder-create-group-alist wl-folder-entity))
1478       (setq wl-folder-newsgroups-hashtb
1479             (wl-folder-create-newsgroups-hashtb wl-folder-entity))
1480       (wl-folder-init-info-hashtb)
1481       (let ((inhibit-read-only t)
1482             (buffer-read-only nil))
1483         (erase-buffer)
1484         (setcdr (assoc (car wl-folder-entity) wl-folder-group-alist) t)
1485         (save-excursion
1486           (wl-folder-insert-entity " " wl-folder-entity)))
1487       (sit-for 0)
1488       (set-buffer-modified-p nil)
1489       (setq initialize t))
1490     initialize))
1491
1492 (defun wl-folder-auto-check ()
1493   "Check and update folders in `wl-auto-check-folder-name'."
1494   (interactive)
1495   (when (get-buffer wl-folder-buffer-name)
1496     (switch-to-buffer  wl-folder-buffer-name)
1497     (cond
1498      ((eq wl-auto-check-folder-name 'none))
1499      ((or (consp wl-auto-check-folder-name)
1500           (stringp wl-auto-check-folder-name))
1501       (let ((folder-list (if (consp wl-auto-check-folder-name)
1502                              wl-auto-check-folder-name
1503                            (list wl-auto-check-folder-name)))
1504             entity)
1505         (while folder-list
1506           (if (setq entity (wl-folder-search-entity-by-name
1507                             (car folder-list)
1508                             wl-folder-entity))
1509               (wl-folder-check-entity entity 'auto))
1510           (setq folder-list (cdr folder-list)))))
1511      (t
1512       (wl-folder-check-entity wl-folder-entity 'auto)))))
1513
1514 (defun wl-folder-set-folder-updated (name value)
1515   (save-excursion
1516     (let (buf)
1517       (if (setq buf (get-buffer wl-folder-buffer-name))
1518           (wl-folder-entity-hashtb-set
1519            wl-folder-entity-hashtb name value buf))
1520       (setq wl-folder-info-alist-modified t))))
1521
1522 (defun wl-folder-calc-finfo (entity)
1523   ;; calcurate finfo without inserting.
1524   (let ((entities (list entity))
1525         entity-stack
1526         new unread all nums)
1527     (while entities
1528       (setq entity (wl-pop entities))
1529       (cond
1530        ((consp entity)
1531         (and entities
1532              (wl-push entities entity-stack))
1533         (setq entities (nth 2 entity)))
1534        ((stringp entity)
1535         (setq nums (wl-folder-get-entity-info entity))
1536         (setq new    (+ (or new 0) (or (nth 0 nums) 0)))
1537         (setq unread (+ (or unread 0)
1538                         (or (and (nth 0 nums)(nth 1 nums)
1539                                  (+ (nth 0 nums)(nth 1 nums))) 0)))
1540         (setq all    (+ (or all 0) (or (nth 2 nums) 0)))))
1541       (unless entities
1542         (setq entities (wl-pop entity-stack))))
1543     (list new unread all)))
1544
1545 (defsubst wl-folder-make-save-access-list (list)
1546   (mapcar '(lambda (x)
1547              (cond
1548               ((consp x)
1549                (list (elmo-string (car x)) 'access))
1550               (t
1551                (elmo-string x))))
1552           list))
1553
1554 (defun wl-folder-update-newest (indent entity)
1555   (let (ret-val new unread all)
1556     (cond
1557      ((consp entity)
1558       (let ((inhibit-read-only t)
1559             (buffer-read-only nil)
1560             (flist (nth 2 entity))
1561             (as-opened (cdr (assoc (car entity) wl-folder-group-alist)))
1562             beg
1563             )
1564         (setq beg (point))
1565         (if as-opened
1566             (let (update-flist flist-unsub new-flist removed group-name-end)
1567               (when (and (eq (cadr entity) 'access)
1568                          (elmo-folder-plugged-p
1569                           (wl-folder-get-elmo-folder (car entity))))
1570                 (message "Fetching folder entries...")
1571                 (when (setq new-flist
1572                             (elmo-folder-list-subfolders
1573                              (wl-folder-get-elmo-folder (car entity))
1574                              (wl-string-member
1575                               (car entity)
1576                               wl-folder-hierarchy-access-folders)))
1577                   (setq update-flist
1578                         (wl-folder-update-access-group entity new-flist))
1579                   (setq flist (nth 1 update-flist))
1580                   (when (car update-flist) ;; diff
1581                     (setq flist-unsub (nth 2 update-flist))
1582                     (setq removed (nth 3 update-flist))
1583                     (elmo-msgdb-flist-save
1584                      (car entity)
1585                      (list
1586                       (wl-folder-make-save-access-list flist)
1587                       (wl-folder-make-save-access-list flist-unsub)))
1588                     (wl-folder-entity-assign-id
1589                      entity
1590                      wl-folder-entity-id-name-hashtb
1591                      t)
1592                     (setq wl-folder-entity-hashtb
1593                           (wl-folder-create-entity-hashtb
1594                            entity
1595                            wl-folder-entity-hashtb
1596                            t))
1597                     (setq wl-folder-newsgroups-hashtb
1598                           (or
1599                            (wl-folder-create-newsgroups-hashtb
1600                             entity nil)
1601                            wl-folder-newsgroups-hashtb))))
1602                 (message "Fetching folder entries...done"))
1603               (wl-folder-insert-entity indent entity))))))))
1604
1605 (defun wl-folder-insert-entity (indent entity &optional onlygroup)
1606   (let (ret-val new unread all)
1607     (cond
1608      ((consp entity)
1609       (let ((inhibit-read-only t)
1610             (buffer-read-only nil)
1611             (flist (nth 2 entity))
1612             (as-opened (cdr (assoc (car entity) wl-folder-group-alist)))
1613             beg
1614             )
1615 ;;;     (insert indent "[" (if as-opened "-" "+") "]" (car entity) "\n")
1616 ;;;     (save-excursion (forward-line -1)
1617 ;;;                     (wl-highlight-folder-current-line))
1618         (setq beg (point))
1619         (if (and as-opened
1620                  (not onlygroup))
1621             (let (update-flist flist-unsub new-flist removed group-name-end)
1622 ;;;           (when (and (eq (cadr entity) 'access)
1623 ;;;                      newest)
1624 ;;;             (message "fetching folder entries...")
1625 ;;;             (when (setq new-flist
1626 ;;;                         (elmo-list-folders
1627 ;;;                          (elmo-string (car entity))
1628 ;;;                          (wl-string-member
1629 ;;;                           (car entity)
1630 ;;;                           wl-folder-hierarchy-access-folders)
1631 ;;;                          ))
1632 ;;;               (setq update-flist
1633 ;;;                     (wl-folder-update-access-group entity new-flist))
1634 ;;;               (setq flist (nth 1 update-flist))
1635 ;;;               (when (car update-flist) ;; diff
1636 ;;;                 (setq flist-unsub (nth 2 update-flist))
1637 ;;;                 (setq removed (nth 3 update-flist))
1638 ;;;                 (elmo-msgdb-flist-save
1639 ;;;                  (car entity)
1640 ;;;                  (list
1641 ;;;                   (wl-folder-make-save-access-list flist)
1642 ;;;                   (wl-folder-make-save-access-list flist-unsub)))
1643 ;;;                 ;;
1644 ;;;                 ;; reconstruct wl-folder-entity-id-name-hashtb and
1645 ;;;                 ;;           wl-folder-entity-hashtb
1646 ;;;                 ;;
1647 ;;;                 (wl-folder-entity-assign-id
1648 ;;;                  entity
1649 ;;;                  wl-folder-entity-id-name-hashtb
1650 ;;;                  t)
1651 ;;;                 (setq wl-folder-entity-hashtb
1652 ;;;                       (wl-folder-create-entity-hashtb
1653 ;;;                        entity
1654 ;;;                        wl-folder-entity-hashtb
1655 ;;;                        t))
1656 ;;;                 (setq wl-folder-newsgroups-hashtb
1657 ;;;                       (or
1658 ;;;                        (wl-folder-create-newsgroups-hashtb
1659 ;;;                         entity nil)
1660 ;;;                        wl-folder-newsgroups-hashtb))))
1661 ;;;             (message "fetching folder entries...done"))
1662               (insert indent "[" (if as-opened "-" "+") "]"
1663                       (wl-folder-get-petname (car entity)))
1664               (setq group-name-end (point))
1665               (insert ":0/0/0\n")
1666               (put-text-property beg (point) 'wl-folder-entity-id
1667                                  (get-text-property 0 'wl-folder-entity-id
1668                                                     (car entity)))
1669               (when removed
1670                 (setq beg (point))
1671                 (while removed
1672                   (insert indent "  "
1673                           wl-folder-removed-mark
1674                           (if (listp (car removed))
1675                               (concat "[+]" (caar removed))
1676                             (car removed))
1677                           "\n")
1678                   (save-excursion (forward-line -1)
1679                                   (wl-highlight-folder-current-line))
1680                   (setq removed (cdr removed)))
1681                 (remove-text-properties beg (point) '(wl-folder-entity-id)))
1682               (let* ((len (length flist))
1683                      (mes (> len 100))
1684                      (i 0))
1685                 (while flist
1686                   (setq ret-val
1687                         (wl-folder-insert-entity
1688                          (concat indent "  ") (car flist)))
1689                   (setq new    (+ (or new 0) (or (nth 0 ret-val) 0)))
1690                   (setq unread (+ (or unread 0) (or (nth 1 ret-val) 0)))
1691                   (setq all    (+ (or all 0) (or (nth 2 ret-val) 0)))
1692                   (when (and mes
1693                              (> len elmo-display-progress-threshold))
1694                     (setq i (1+ i))
1695                     (elmo-display-progress
1696                      'wl-folder-insert-entity "Inserting group %s..."
1697                      (/ (* i 100) len) (car entity)))
1698                   (setq flist (cdr flist))))
1699               (save-excursion
1700                 (goto-char group-name-end)
1701                 (delete-region (point) (save-excursion (end-of-line)
1702                                                        (point)))
1703                 (insert (format ":%d/%d/%d" (or new 0)
1704                                 (or unread 0) (or all 0)))
1705                 (setq ret-val (list new unread all))
1706                 (wl-highlight-folder-current-line ret-val)))
1707           (setq ret-val (wl-folder-calc-finfo entity))
1708           (insert indent "[" (if as-opened "-" "+") "]"
1709                   (wl-folder-get-petname (car entity))
1710                   (format ":%d/%d/%d"
1711                           (or (nth 0 ret-val) 0)
1712                           (or (nth 1 ret-val) 0)
1713                           (or (nth 2 ret-val) 0))
1714                   "\n")
1715           (put-text-property beg (point) 'wl-folder-entity-id
1716                              (get-text-property 0 'wl-folder-entity-id
1717                                                 (car entity)))
1718           (save-excursion (forward-line -1)
1719                           (wl-highlight-folder-current-line ret-val)))))
1720      ((stringp entity)
1721       (let* ((inhibit-read-only t)
1722              (buffer-read-only nil)
1723              (nums (wl-folder-get-entity-info entity))
1724              beg)
1725         (setq beg (point))
1726         (insert indent (wl-folder-get-petname entity)
1727                 (format ":%s/%s/%s\n"
1728                         (or (setq new (nth 0 nums)) "*")
1729                         (or (setq unread (and (nth 0 nums)(nth 1 nums)
1730                                               (+ (nth 0 nums)(nth 1 nums))))
1731                             "*")
1732                         (or (setq all (nth 2 nums)) "*")))
1733         (put-text-property beg (point) 'wl-folder-entity-id
1734                            (get-text-property 0 'wl-folder-entity-id entity))
1735         (save-excursion (forward-line -1)
1736                         (wl-highlight-folder-current-line nums))
1737         (setq ret-val (list new unread all)))))
1738     (set-buffer-modified-p nil)
1739     ret-val))
1740
1741 (defun wl-folder-check-all ()
1742   (interactive)
1743   (wl-folder-check-entity wl-folder-entity))
1744
1745 (defun wl-folder-entity-hashtb-set (entity-hashtb name value buffer)
1746   (let (cur-val
1747         (new-diff 0)
1748         (unread-diff 0)
1749         (all-diff 0)
1750         diffs
1751         entity-list)
1752     (setq cur-val (wl-folder-get-entity-info name entity-hashtb))
1753     (setq new-diff    (- (or (nth 0 value) 0) (or (nth 0 cur-val) 0)))
1754     (setq unread-diff
1755           (+ new-diff
1756              (- (or (nth 1 value) 0) (or (nth 1 cur-val) 0))))
1757     (setq all-diff    (- (or (nth 2 value) 0) (or (nth 2 cur-val) 0)))
1758     (setq diffs (list new-diff unread-diff all-diff))
1759     (unless (and (nth 0 cur-val)
1760                  (equal diffs '(0 0 0)))
1761       (wl-folder-set-entity-info name value entity-hashtb)
1762       (save-match-data
1763         (with-current-buffer buffer
1764           (save-excursion
1765             (setq entity-list (wl-folder-search-entity-list-by-name
1766                                name wl-folder-entity))
1767             (while entity-list
1768               (wl-folder-update-group (car entity-list) diffs)
1769               (setq entity-list (cdr entity-list)))
1770             (goto-char (point-min))
1771             (while (wl-folder-buffer-search-entity name)
1772               (wl-folder-update-line value))))))))
1773
1774 (defun wl-folder-update-unread (folder unread)
1775 ;  (save-window-excursion
1776     (let ((buf (get-buffer wl-folder-buffer-name))
1777           cur-unread
1778           (unread-diff 0)
1779           ;;(fld (elmo-string folder))
1780           value newvalue entity-list)
1781 ;;; Update folder-info
1782 ;;;    (elmo-folder-set-info-hashtb fld nil nil nil unread)
1783       (setq cur-unread (or (nth 1 (wl-folder-get-entity-info folder)) 0))
1784       (setq unread-diff (- (or unread 0) cur-unread))
1785       (setq value (wl-folder-get-entity-info folder))
1786       (setq newvalue (list (nth 0 value)
1787                            unread
1788                            (nth 2 value)))
1789       (wl-folder-set-entity-info folder newvalue)
1790       (setq wl-folder-info-alist-modified t)
1791       (when (and buf
1792                  (not (eq unread-diff 0)))
1793         (save-match-data
1794           (with-current-buffer buf
1795             (save-excursion
1796               (setq entity-list (wl-folder-search-entity-list-by-name
1797                                  folder wl-folder-entity))
1798               (while entity-list
1799                 (wl-folder-update-group (car entity-list) (list 0
1800                                                                 unread-diff
1801                                                                 0))
1802                 (setq entity-list (cdr entity-list)))
1803               (goto-char (point-min))
1804               (while (wl-folder-buffer-search-entity folder)
1805                 (wl-folder-update-line newvalue))))))));)
1806
1807 (defun wl-folder-create-entity-hashtb (entity &optional hashtb reconst)
1808   (let ((hashtb (or hashtb (elmo-make-hash wl-folder-entity-id)))
1809         (entities (list entity))
1810         entity-stack)
1811     (while entities
1812       (setq entity (wl-pop entities))
1813       (cond
1814        ((consp entity)
1815         (and entities
1816              (wl-push entities entity-stack))
1817         (setq entities (nth 2 entity)))
1818        ((stringp entity)
1819         (when (not (and reconst
1820                         (wl-folder-get-entity-info entity)))
1821           (wl-folder-set-entity-info entity
1822                                      nil
1823                                      hashtb))))
1824       (unless entities
1825         (setq entities (wl-pop entity-stack))))
1826     hashtb))
1827
1828 ;; Unsync number is reserved.
1829 ;;(defun wl-folder-reconstruct-entity-hashtb (entity &optional hashtb id-name)
1830 ;;  (let* ((hashtb (or hashtb (elmo-make-hash wl-folder-entity-id)))
1831 ;;       (entities (list entity))
1832 ;;       entity-stack)
1833 ;;    (while entities
1834 ;;      (setq entity (wl-pop entities))
1835 ;;      (cond
1836 ;;       ((consp entity)
1837 ;;      (if id-name
1838 ;;          (wl-folder-set-id-name (wl-folder-get-entity-id (car entity))
1839 ;;                                 (car entity)))
1840 ;;      (and entities
1841 ;;           (wl-push entities entity-stack))
1842 ;;      (setq entities (nth 2 entity))
1843 ;;      )
1844 ;;       ((stringp entity)
1845 ;;      (wl-folder-set-entity-info entity
1846 ;;                                 (wl-folder-get-entity-info entity)
1847 ;;                                 hashtb)
1848 ;;      (if id-name
1849 ;;          (wl-folder-set-id-name (wl-folder-get-entity-id entity)
1850 ;;                                 entity))))
1851 ;;      (unless entities
1852 ;;      (setq entities (wl-pop entity-stack))))
1853 ;;    hashtb))
1854
1855 (defun wl-folder-create-newsgroups-from-nntp-access (entity)
1856   (let ((flist (nth 2 entity))
1857         folders)
1858     (while flist
1859       (wl-append folders
1860                  (cond
1861                   ((consp (car flist))
1862                    (wl-folder-create-newsgroups-from-nntp-access (car flist)))
1863                   (t
1864                    (list
1865                     (elmo-nntp-folder-group-internal
1866                      (wl-folder-get-elmo-folder (car flist)))))))
1867       (setq flist (cdr flist)))
1868     folders))
1869
1870 (defun wl-folder-create-newsgroups-hashtb (entity &optional is-list info)
1871   "Create NNTP group hashtable for ENTITY."
1872   (let ((entities (if is-list entity (list entity)))
1873         entity-stack folder-list newsgroups newsgroup make-hashtb)
1874     (and info (message "Creating newsgroups..."))
1875     (while entities
1876       (setq entity (wl-pop entities))
1877       (cond
1878        ((consp entity)
1879         (if (eq (nth 1 entity) 'access)
1880             (when (eq (elmo-folder-type-internal
1881                        (elmo-make-folder (car entity))) 'nntp)
1882               (wl-append newsgroups
1883                          (wl-folder-create-newsgroups-from-nntp-access entity))
1884               (setq make-hashtb t))
1885           (and entities
1886                (wl-push entities entity-stack))
1887           (setq entities (nth 2 entity))))
1888        ((stringp entity)
1889         (setq folder-list (elmo-folder-get-primitive-list
1890                            (elmo-make-folder entity)))
1891         (while folder-list
1892           (when (and (eq (elmo-folder-type-internal (car folder-list))
1893                          'nntp)
1894                      (setq newsgroup (elmo-nntp-folder-group-internal
1895                                       (car folder-list))))
1896             (wl-append newsgroups (list (elmo-string newsgroup))))
1897           (setq folder-list (cdr folder-list)))))
1898       (unless entities
1899         (setq entities (wl-pop entity-stack))))
1900     (and info (message "Creating newsgroups...done"))
1901     (if (or newsgroups make-hashtb)
1902         (elmo-setup-subscribed-newsgroups newsgroups))))
1903
1904 (defun wl-folder-get-path (entity target-id &optional string)
1905   (let ((entities (list entity))
1906         entity-stack result-path)
1907     (reverse
1908      (catch 'done
1909        (while entities
1910          (setq entity (wl-pop entities))
1911          (cond
1912           ((consp entity)
1913            (if (and (or (not string) (string= string (car entity)))
1914                     ;; don't use eq, `id' is string on Nemacs.
1915                     (equal target-id (wl-folder-get-entity-id (car entity))))
1916                (throw 'done
1917                       (wl-push target-id result-path))
1918              (wl-push (wl-folder-get-entity-id (car entity)) result-path))
1919            (wl-push entities entity-stack)
1920            (setq entities (nth 2 entity)))
1921           ((stringp entity)
1922            (if (and (or (not string) (string= string entity))
1923                     ;; don't use eq, `id' is string on Nemacs.
1924                     (equal target-id (wl-folder-get-entity-id entity)))
1925                (throw 'done
1926                       (wl-push target-id result-path)))))
1927          (unless entities
1928            (while (and entity-stack
1929                        (not entities))
1930              (setq result-path (cdr result-path))
1931              (setq entities (wl-pop entity-stack)))))))))
1932
1933 (defun wl-folder-create-group-alist (entity)
1934   (if (consp entity)
1935       (let ((flist (nth 2 entity))
1936             (cur-alist (list (cons (car entity) nil)))
1937              append-alist)
1938         (while flist
1939           (if (consp (car flist))
1940               (wl-append append-alist
1941                          (wl-folder-create-group-alist (car flist))))
1942           (setq flist (cdr flist)))
1943         (append cur-alist append-alist))))
1944
1945 (defun wl-folder-init-info-hashtb ()
1946   (let ((info-alist (and wl-folder-info-save
1947                          (elmo-msgdb-finfo-load))))
1948     (elmo-folder-info-make-hashtb
1949      info-alist
1950      wl-folder-entity-hashtb)))
1951 ;;; (wl-folder-resume-entity-hashtb-by-finfo
1952 ;;;  wl-folder-entity-hashtb
1953 ;;;  info-alist)))
1954
1955 (defun wl-folder-cleanup-variables ()
1956   (setq wl-folder-entity nil
1957         wl-folder-entity-hashtb nil
1958         wl-folder-entity-id-name-hashtb nil
1959         wl-folder-group-alist nil
1960         wl-folder-petname-alist nil
1961         wl-folder-newsgroups-hashtb nil
1962         wl-fldmgr-cut-entity-list nil
1963         wl-fldmgr-modified nil
1964         wl-fldmgr-modified-access-list nil
1965         wl-score-cache nil
1966         ))
1967
1968 (defun wl-make-plugged-alist ()
1969   (let ((entity-list (wl-folder-get-entity-list wl-folder-entity))
1970         (add (not wl-reset-plugged-alist)))
1971     (while entity-list
1972       (elmo-folder-set-plugged
1973        (wl-folder-get-elmo-folder (car entity-list)) wl-plugged add)
1974       (setq entity-list (cdr entity-list)))
1975     ;; smtp posting server
1976     (when wl-smtp-posting-server
1977       (elmo-set-plugged wl-plugged
1978                         wl-smtp-posting-server  ; server
1979                         (or (and (boundp 'smtp-service) smtp-service)
1980                             "smtp")     ; port
1981                         wl-smtp-connection-type
1982                         nil nil "smtp" add))
1983     ;; nntp posting server
1984     (when wl-nntp-posting-server
1985       (elmo-set-plugged wl-plugged
1986                         wl-nntp-posting-server
1987                         wl-nntp-posting-stream-type
1988                         wl-nntp-posting-port
1989                         nil nil "nntp" add))
1990     (run-hooks 'wl-make-plugged-hook)))
1991
1992 (defvar wl-folder-init-function 'wl-local-folder-init)
1993
1994 (defun wl-folder-init ()
1995   "Return top-level folder entity."
1996   (interactive)
1997   (if wl-use-acap
1998       (wl-acap-init)
1999     (funcall wl-folder-init-function)))
2000
2001 (defun wl-local-folder-init ()
2002   "Initialize local folder."
2003   (message "Initializing folder...")
2004   (setq wl-folder-entity (wl-folder-create-folder-entity))
2005   (message "Initializing folder...done"))
2006
2007 (defun wl-folder-get-realname (petname)
2008   (or (car
2009        (wl-string-rassoc
2010         petname
2011         wl-folder-petname-alist))
2012       petname))
2013
2014 (defun wl-folder-get-petname (name)
2015   (or (cdr
2016        (wl-string-assoc
2017         name
2018         wl-folder-petname-alist))
2019       name))
2020
2021 (defun wl-folder-get-entity-with-petname ()
2022   (let ((alist wl-folder-petname-alist)
2023         (hashtb (copy-sequence wl-folder-entity-hashtb)))
2024     (while alist
2025       (wl-folder-set-entity-info (cdar alist) nil hashtb)
2026       (setq alist (cdr alist)))
2027     hashtb))
2028
2029 (defun wl-folder-get-newsgroups (folder)
2030   "Return Newsgroups field value string for FOLDER newsgroup.
2031 If FOLDER is multi, return comma separated string (cross post)."
2032   (let ((flist (elmo-folder-get-primitive-list
2033                 (wl-folder-get-elmo-folder folder))) ; multi
2034         newsgroups fld ret)
2035     (while (setq fld (car flist))
2036       (if (setq ret
2037                 (cond ((eq 'nntp (elmo-folder-type-internal fld))
2038                        (elmo-nntp-folder-group-internal fld))
2039                       ((eq 'localnews (elmo-folder-type-internal fld))
2040                        (elmo-replace-in-string
2041                         (elmo-nntp-folder-group-internal fld)
2042                         "/" "\\."))))
2043           ;; append newsgroup
2044           (setq newsgroups (if (stringp newsgroups)
2045                                (concat newsgroups "," ret)
2046                              ret)))
2047       (setq flist (cdr flist)))
2048     (list nil nil newsgroups)))
2049
2050 (defun wl-folder-guess-mailing-list-by-refile-rule (entity)
2051   "Return ML address guess by FOLDER.
2052 Use `wl-subscribed-mailing-list' and `wl-refile-rule-alist'."
2053   (let ((flist
2054          (elmo-folder-get-primitive-list
2055           (wl-folder-get-elmo-folder entity)))
2056         fld ret mlist)
2057     (while (setq fld (car flist))
2058       (if (setq ret
2059                 (wl-folder-guess-mailing-list-by-refile-rule-subr
2060                  (elmo-folder-name-internal fld)))
2061           (setq mlist (if (stringp mlist)
2062                           (concat mlist ", " ret)
2063                         ret)))
2064       (setq flist (cdr flist)))
2065     (if mlist
2066         (list mlist nil nil))))
2067
2068 (defun wl-folder-guess-mailing-list-by-refile-rule-subr (entity)
2069   (unless (memq (elmo-folder-type entity)
2070                 '(localnews nntp))
2071     (let ((rules wl-refile-rule-alist)
2072           tokey toalist)
2073       (while rules
2074         (if (or (and (stringp (car (car rules)))
2075                      (string-match "[Tt]o" (car (car rules))))
2076                 (and (listp (car (car rules)))
2077                      (elmo-string-matched-member "to" (car (car rules))
2078                                                  'case-ignore)))
2079             (setq toalist (append toalist (cdr (car rules)))))
2080         (setq rules (cdr rules)))
2081       (setq tokey (car (rassoc entity toalist)))
2082 ;;;     (setq histkey (car (rassoc folder wl-refile-alist)))
2083       ;; case-ignore search `wl-subscribed-mailing-list'
2084       (if (stringp tokey)
2085           (elmo-string-matched-member tokey wl-subscribed-mailing-list t)))))
2086
2087 (defun wl-folder-guess-mailing-list-by-folder-name (entity)
2088   "Return ML address guess by FOLDER name's last hierarchy.
2089 Use `wl-subscribed-mailing-list'."
2090   (let ((flist
2091          (elmo-folder-get-primitive-list
2092           (wl-folder-get-elmo-folder entity)))
2093         fld ret mlist)
2094     (while (setq fld (car flist))
2095       (if (setq ret
2096                 (wl-folder-guess-mailing-list-by-folder-name-subr
2097                  (elmo-folder-name-internal fld)))
2098           (setq mlist (if (stringp mlist)
2099                           (concat mlist ", " ret)
2100                         ret)))
2101       (setq flist (cdr flist)))
2102     (if mlist
2103         (list mlist nil nil))))
2104
2105 (defun wl-folder-guess-mailing-list-by-folder-name-subr (entity)
2106   (when (memq (elmo-folder-type entity)
2107               '(localdir imap4 maildir))
2108     (let (key foldername)
2109       ;; Get foldername and Remove folder type symbol.
2110       (setq foldername (substring entity 1))
2111       (if (string-match "@" foldername)
2112           (setq foldername (substring foldername 0 (match-beginning 0))))
2113       (when (string-match "[^\\./]+$" foldername)
2114         (setq key (regexp-quote
2115                    (concat (substring foldername (match-beginning 0)) "@")))
2116         (elmo-string-matched-member
2117          key wl-subscribed-mailing-list 'case-ignore)))))
2118
2119 (defun wl-folder-update-diff-line (diffs)
2120   (let ((inhibit-read-only t)
2121         (buffer-read-only nil)
2122         cur-new new-new
2123         cur-unread new-unread
2124         cur-all new-all
2125         id)
2126     (save-excursion
2127       (beginning-of-line)
2128       (setq id (get-text-property (point) 'wl-folder-entity-id))
2129       (when (looking-at "^[ ]*\\(.*\\):\\([0-9\\*-]*\\)/\\([0-9\\*-]*\\)/\\([0-9\\*]*\\)")
2130         ;;(looking-at "^[ ]*\\([^\\[].+\\):\\([0-9\\*-]*/[0-9\\*-]*/[0-9\\*]*\\)")
2131         (setq cur-new (string-to-int
2132                        (wl-match-buffer 2)))
2133         (setq cur-unread (string-to-int
2134                           (wl-match-buffer 3)))
2135         (setq cur-all (string-to-int
2136                        (wl-match-buffer 4)))
2137         (delete-region (match-beginning 2)
2138                        (match-end 4))
2139         (goto-char (match-beginning 2))
2140         (insert (format "%s/%s/%s"
2141                         (setq new-new (+ cur-new (nth 0 diffs)))
2142                         (setq new-unread (+ cur-unread (nth 1 diffs)))
2143                         (setq new-all (+ cur-all (nth 2 diffs)))))
2144         (put-text-property (match-beginning 2) (point)
2145                            'wl-folder-entity-id id)
2146         (if wl-use-highlight-mouse-line
2147             (put-text-property (match-beginning 2) (point)
2148                                'mouse-face 'highlight))
2149         (wl-highlight-folder-group-line (list new-new new-unread new-all))
2150         (setq buffer-read-only t)
2151         (set-buffer-modified-p nil)))))
2152
2153 (defun wl-folder-update-line (nums &optional is-group)
2154   (let ((inhibit-read-only t)
2155         (buffer-read-only nil)
2156         id)
2157     (save-excursion
2158       (beginning-of-line)
2159       (setq id (get-text-property (point) 'wl-folder-entity-id))
2160       (if (looking-at "^[ ]*\\(.*\\):\\([0-9\\*-]*/[0-9\\*-]*/[0-9\\*]*\\)")
2161 ;;;       (looking-at "^[ ]*\\([^\\[].+\\):\\([0-9\\*-]*/[0-9\\*-]*/[0-9\\*]*\\)")
2162           (progn
2163             (delete-region (match-beginning 2)
2164                            (match-end 2))
2165             (goto-char (match-beginning 2))
2166             (insert (format "%s/%s/%s"
2167                             (or (nth 0 nums) "*")
2168                             (or (and (nth 0 nums)(nth 1 nums)
2169                                      (+ (nth 0 nums)(nth 1 nums)))
2170                                 "*")
2171                             (or (nth 2 nums) "*")))
2172             (put-text-property (match-beginning 2) (point)
2173                                'wl-folder-entity-id id)
2174             (if is-group
2175                 ;; update only colors
2176                 (wl-highlight-folder-group-line nums)
2177               (wl-highlight-folder-current-line nums))
2178             (beginning-of-line)
2179             (set-buffer-modified-p nil))))))
2180
2181 (defun wl-folder-goto-folder (&optional arg)
2182   (interactive "P")
2183   (wl-folder-goto-folder-subr nil arg))
2184
2185 (defun wl-folder-goto-folder-subr (&optional folder sticky)
2186   (beginning-of-line)
2187   (let (summary-buf fld-name entity id error-selecting)
2188 ;;; (setq fld-name (wl-folder-get-entity-from-buffer))
2189 ;;; (if (or (null fld-name)
2190 ;;;         (assoc fld-name wl-folder-group-alist))
2191     (setq fld-name wl-default-folder)
2192     (setq fld-name (or folder
2193                        (wl-summary-read-folder fld-name)))
2194     (if (and (setq entity
2195                    (wl-folder-search-entity-by-name fld-name
2196                                                     wl-folder-entity
2197                                                     'folder))
2198              (setq id (wl-folder-get-entity-id entity)))
2199         (wl-folder-set-current-entity-id id))
2200     (setq summary-buf (wl-summary-get-buffer-create fld-name sticky))
2201     (if (or wl-stay-folder-window wl-summary-use-frame)
2202         (wl-folder-select-buffer summary-buf)
2203       (if (and summary-buf
2204                (get-buffer-window summary-buf))
2205           (delete-window)))
2206     (wl-summary-goto-folder-subr fld-name
2207                                  (wl-summary-get-sync-range
2208                                   (wl-folder-get-elmo-folder fld-name))
2209                                  nil sticky t)))
2210
2211 (defun wl-folder-suspend ()
2212   (interactive)
2213   (run-hooks 'wl-folder-suspend-hook)
2214   (wl-folder-info-save)
2215   (elmo-crosspost-message-alist-save)
2216   (elmo-quit)
2217   ;(if (fboundp 'mmelmo-cleanup-entity-buffers)
2218   ;(mmelmo-cleanup-entity-buffers))
2219   (bury-buffer wl-folder-buffer-name)
2220   (delete-windows-on wl-folder-buffer-name t))
2221
2222 (defun wl-folder-info-save ()
2223   (when (and wl-folder-info-save
2224              wl-folder-info-alist-modified)
2225     (let ((entities (list wl-folder-entity))
2226           entity entity-stack info-alist info)
2227       (while entities
2228         (setq entity (wl-pop entities))
2229         (cond
2230          ((consp entity)
2231           (and entities
2232                (wl-push entities entity-stack))
2233           (setq entities (nth 2 entity)))
2234          ((stringp entity)
2235           (when (and (setq info (elmo-folder-get-info
2236                                  (wl-folder-get-elmo-folder entity)))
2237                      (not (equal info '(nil))))
2238             (if (listp info)
2239                 (wl-append info-alist (list (list (elmo-string entity)
2240                                                   (list (nth 3 info)  ;; max
2241                                                         (nth 2 info)  ;; length
2242                                                         (nth 0 info)  ;; new
2243                                                         (nth 1 info)) ;; unread
2244                                                   )))))))
2245         (unless entities
2246           (setq entities (wl-pop entity-stack))))
2247       (elmo-msgdb-finfo-save info-alist)
2248       (setq wl-folder-info-alist-modified nil))))
2249
2250 (defun wl-folder-goto-first-unread-folder (&optional arg)
2251   (interactive "P")
2252   (let ((entities (list wl-folder-entity))
2253         entity entity-stack ret-val
2254         first-entity finfo)
2255     (setq first-entity
2256           (catch 'done
2257             (while entities
2258               (setq entity (wl-pop entities))
2259               (cond
2260                ((consp entity)
2261                 (and entities
2262                      (wl-push entities entity-stack))
2263                 (setq entities (nth 2 entity)))
2264                ((stringp entity)
2265                 (if (and (setq finfo (wl-folder-get-entity-info entity))
2266                          (and (nth 0 finfo)(nth 1 finfo))
2267                          (> (+ (nth 0 finfo)(nth 1 finfo)) 0))
2268                     (throw 'done entity))
2269                 (wl-append ret-val (list entity))))
2270               (unless entities
2271                 (setq entities (wl-pop entity-stack))))))
2272     (if first-entity
2273         (progn
2274           (when arg
2275             (wl-folder-jump-folder first-entity)
2276             (sit-for 0))
2277           (wl-folder-goto-folder-subr first-entity))
2278       (message "No unread folder"))))
2279
2280 (defun wl-folder-jump-folder (&optional fld-name noopen)
2281   (interactive)
2282   (if (not fld-name)
2283       (setq fld-name (wl-summary-read-folder wl-default-folder)))
2284   (goto-char (point-min))
2285   (if (not noopen)
2286       (wl-folder-open-folder fld-name))
2287   (and (wl-folder-buffer-search-entity fld-name)
2288        (beginning-of-line)))
2289
2290 (defun wl-folder-get-entity-list (entity)
2291   (let ((entities (list entity))
2292         entity-stack ret-val)
2293     (while entities
2294       (setq entity (wl-pop entities))
2295       (cond
2296        ((consp entity)
2297         (and entities
2298              (wl-push entities entity-stack))
2299         (setq entities (nth 2 entity)))
2300        ((stringp entity)
2301         (wl-append ret-val (list entity))))
2302       (unless entities
2303         (setq entities (wl-pop entity-stack))))
2304     ret-val))
2305
2306 (defun wl-folder-open-unread-folder (entity)
2307   (save-excursion
2308     (let ((alist (wl-folder-get-entity-list entity))
2309           (unread 0)
2310           finfo path-list path id)
2311       (while alist
2312         (when (and (setq finfo (wl-folder-get-entity-info (car alist)))
2313                    (nth 0 finfo) (nth 1 finfo)
2314                    (> (+ (nth 0 finfo)(nth 1 finfo)) 0))
2315           (setq unread (+ unread (+ (nth 0 finfo)(nth 1 finfo))))
2316           (setq id (wl-folder-get-entity-id (car alist)))
2317           (setq path (delete id (wl-folder-get-path
2318                                  wl-folder-entity
2319                                  id
2320                                  (car alist))))
2321           (if (not (member path path-list))
2322               (wl-append path-list (list path))))
2323         (setq alist (cdr alist)))
2324       (while path-list
2325         (wl-folder-open-folder-sub (car path-list))
2326         (setq path-list (cdr path-list)))
2327       (message "%s unread folder"
2328                (if (> unread 0) unread "No")))))
2329
2330 (defun wl-folder-open-unread-current-entity ()
2331   (interactive)
2332   (let ((entity-name (wl-folder-get-entity-from-buffer))
2333         (group (wl-folder-buffer-group-p)))
2334     (when entity-name
2335       (wl-folder-open-unread-folder
2336        (if group
2337            (wl-folder-search-group-entity-by-name entity-name
2338                                                   wl-folder-entity)
2339          entity-name)))))
2340
2341 (defun wl-folder-open-only-unread-folder ()
2342   (interactive)
2343   (let ((id (progn
2344               (wl-folder-prev-entity-skip-invalid t)
2345               (wl-folder-get-entity-from-buffer t))))
2346     (wl-folder-open-all-unread-folder)
2347     (save-excursion
2348       (goto-char (point-max))
2349       (while (and (re-search-backward
2350                    "^[ ]*\\[[-]\\].+:0/0/[0-9-]+" nil t)
2351                   (not (bobp)))
2352         (wl-folder-jump-to-current-entity) ;; close it
2353         ))
2354     (wl-folder-move-path id)
2355     (recenter)))
2356
2357 (defun wl-folder-open-all-unread-folder (&optional arg)
2358   (interactive "P")
2359   (let ((id (progn
2360               (wl-folder-prev-entity-skip-invalid t)
2361               (wl-folder-get-entity-from-buffer t))))
2362     (wl-folder-open-unread-folder wl-folder-entity)
2363     (if (not arg)
2364         (wl-folder-move-path id)
2365       (goto-char (point-min))
2366       (wl-folder-next-unread t))))
2367
2368 (defun wl-folder-open-folder (&optional fld-name)
2369   (interactive)
2370   (if (not fld-name)
2371       (setq fld-name (wl-summary-read-folder wl-default-folder)))
2372   (let* ((id (wl-folder-get-entity-id
2373               (wl-folder-search-entity-by-name fld-name wl-folder-entity
2374                                                'folder)))
2375          (path (and id (wl-folder-get-path wl-folder-entity id))))
2376       (if path
2377           (wl-folder-open-folder-sub path))))
2378
2379 (defun wl-folder-open-folder-sub (path)
2380   (let ((inhibit-read-only t)
2381         (buffer-read-only nil)
2382         indent name entity
2383         err)
2384     (save-excursion
2385       (goto-char (point-min))
2386       (while (and path
2387                   (wl-folder-buffer-search-group
2388                    (wl-folder-get-petname
2389                     (if (stringp (car path))
2390                         (car path)
2391                       (wl-folder-get-folder-name-by-id
2392                        (car path))))))
2393         (beginning-of-line)
2394         (setq path (cdr path))
2395         (if (and (looking-at wl-folder-group-regexp)
2396                  (string= "+" (wl-match-buffer 2)));; closed group
2397             (save-excursion
2398               (setq indent (wl-match-buffer 1))
2399               (setq name (wl-folder-get-realname (wl-match-buffer 3)))
2400               (setq entity (wl-folder-search-group-entity-by-name
2401                             name
2402                             wl-folder-entity))
2403               ;; insert as opened
2404               (setcdr (assoc (car entity) wl-folder-group-alist) t)
2405               (if (eq 'access (cadr entity))
2406                   (wl-folder-maybe-load-folder-list entity))
2407               (wl-folder-insert-entity indent entity)
2408               (delete-region (save-excursion (beginning-of-line)
2409                                              (point))
2410                              (save-excursion (end-of-line)
2411                                              (+ 1 (point)))))))
2412       (set-buffer-modified-p nil))))
2413
2414 (defun wl-folder-open-all-pre ()
2415   (let ((entities (list wl-folder-entity))
2416         entity entity-stack group-entry)
2417     (while entities
2418       (setq entity (wl-pop entities))
2419       (cond
2420        ((consp entity)
2421         (unless (or (not (setq group-entry
2422                                (assoc (car entity) wl-folder-group-alist)))
2423                     (cdr group-entry))
2424           (setcdr group-entry t)
2425           (when (eq 'access (cadr entity))
2426             (wl-folder-maybe-load-folder-list entity)))
2427         (and entities
2428              (wl-push entities entity-stack))
2429         (setq entities (nth 2 entity))))
2430       (unless entities
2431         (setq entities (wl-pop entity-stack))))))
2432
2433 (defun wl-folder-open-all (&optional refresh)
2434   (interactive "P")
2435   (let* ((inhibit-read-only t)
2436          (buffer-read-only nil)
2437          (len (length wl-folder-group-alist))
2438          (i 0)
2439          indent name entity)
2440     (if refresh
2441         (let ((id (progn
2442                     (wl-folder-prev-entity-skip-invalid t)
2443                     (wl-folder-get-entity-from-buffer t)))
2444               (alist wl-folder-group-alist))
2445           (while alist
2446             (setcdr (pop alist) t))
2447           (erase-buffer)
2448           (wl-folder-insert-entity " " wl-folder-entity)
2449           (wl-folder-move-path id))
2450       (message "Opening all folders...")
2451       (wl-folder-open-all-pre)
2452       (save-excursion
2453         (goto-char (point-min))
2454         (while (re-search-forward
2455                 "^\\([ ]*\\)\\[\\([+]\\)\\]\\(.+\\):[-0-9-]+/[0-9-]+/[0-9-]+\n"
2456                 nil t)
2457           (setq indent (wl-match-buffer 1))
2458           (setq name (wl-folder-get-realname (wl-match-buffer 3)))
2459           (setq entity (wl-folder-search-group-entity-by-name
2460                         name
2461                         wl-folder-entity))
2462           ;; insert as opened
2463           (setcdr (assoc (car entity) wl-folder-group-alist) t)
2464           (forward-line -1)
2465           (wl-folder-insert-entity indent entity)
2466           (delete-region (save-excursion (beginning-of-line)
2467                                          (point))
2468                          (save-excursion (end-of-line)
2469                                          (+ 1 (point))))
2470           (when (> len elmo-display-progress-threshold)
2471             (setq i (1+ i))
2472             (if (or (zerop (% i 5)) (= i len))
2473                 (elmo-display-progress
2474                  'wl-folder-open-all "Opening all folders..."
2475                  (/ (* i 100) len)))))
2476         (when (> len elmo-display-progress-threshold)
2477           (elmo-display-progress
2478            'wl-folder-open-all "Opening all folders..." 100))))
2479     (message "Opening all folders...done")
2480     (set-buffer-modified-p nil)))
2481
2482 (defun wl-folder-close-all ()
2483   (interactive)
2484   (let ((inhibit-read-only t)
2485         (buffer-read-only nil)
2486         (alist wl-folder-group-alist)
2487         (id (progn
2488               (wl-folder-prev-entity-skip-invalid t)
2489               (wl-folder-get-entity-from-buffer t))))
2490     (while alist
2491       (setcdr (car alist) nil)
2492       (setq alist (cdr alist)))
2493     (setcdr (assoc (car wl-folder-entity) wl-folder-group-alist) t)
2494     (erase-buffer)
2495     (wl-folder-insert-entity " " wl-folder-entity)
2496     (wl-folder-move-path id)
2497     (recenter)
2498     (set-buffer-modified-p nil)))
2499
2500 (defun wl-folder-open-close ()
2501   "Open or close parent entity."
2502   (interactive)
2503   (save-excursion
2504     (beginning-of-line)
2505     (if (wl-folder-buffer-group-p)
2506         ;; if group (whether opend or closed.)
2507         (wl-folder-jump-to-current-entity)
2508       ;; if folder
2509       (let (indent)
2510         (setq indent (save-excursion
2511                        (re-search-forward "\\([ ]*\\)." nil t)
2512                        (wl-match-buffer 1)))
2513         (while (looking-at indent)
2514           (forward-line -1)))
2515       (wl-folder-jump-to-current-entity))))
2516
2517 (defsubst wl-folder-access-subscribe-p (group folder)
2518   (let (subscr regexp match)
2519     (if (setq subscr (wl-get-assoc-list-value
2520                       wl-folder-access-subscribe-alist
2521                       group))
2522         (progn
2523           (setq regexp (mapconcat 'identity (cdr subscr) "\\|"))
2524           (setq match (string-match regexp folder))
2525           (if (car subscr)
2526               match
2527             (not match)))
2528       t)))
2529
2530 (defun wl-folder-update-access-group (entity new-flist)
2531   (let* ((flist (nth 2 entity))
2532          (unsubscribes (nth 3 entity))
2533          (len (+ (length flist) (length unsubscribes)))
2534          (i 0)
2535          diff new-unsubscribes removes
2536          subscribed-list folder group entry)
2537     ;; check subscribed groups
2538     (while flist
2539       (cond
2540        ((listp (car flist))     ;; group
2541         (setq group (elmo-string (caar flist)))
2542         (cond
2543          ((assoc group new-flist)       ;; found in new-flist
2544           (setq new-flist (delete (assoc group new-flist)
2545                                   new-flist))
2546           (if (wl-folder-access-subscribe-p (car entity) group)
2547               (wl-append subscribed-list (list (car flist)))
2548             (wl-append new-unsubscribes (list (car flist)))
2549             (setq diff t)))
2550          (t
2551           (setq wl-folder-group-alist
2552                 (delete (wl-string-assoc group wl-folder-group-alist)
2553                         wl-folder-group-alist))
2554           (wl-append removes (list (list group))))))
2555        (t                       ;; folder
2556         (setq folder (elmo-string (car flist)))
2557         (cond
2558          ((member folder new-flist)     ;; found in new-flist
2559           (setq new-flist (delete folder new-flist))
2560           (if (wl-folder-access-subscribe-p (car entity) folder)
2561               (wl-append subscribed-list (list (car flist)))
2562             (wl-append new-unsubscribes (list folder))
2563             (setq diff t)))
2564          (t
2565           (wl-append removes (list folder))))))
2566       (when (> len elmo-display-progress-threshold)
2567         (setq i (1+ i))
2568         (if (or (zerop (% i 10)) (= i len))
2569             (elmo-display-progress
2570              'wl-folder-update-access-group "Updating access group..."
2571              (/ (* i 100) len))))
2572       (setq flist (cdr flist)))
2573     ;; check unsubscribed groups
2574     (while unsubscribes
2575       (cond
2576        ((listp (car unsubscribes))
2577         (when (setq entry (assoc (caar unsubscribes) new-flist))
2578           (setq new-flist (delete entry new-flist))
2579           (wl-append new-unsubscribes (list (car unsubscribes)))))
2580        (t
2581         (when (member (car unsubscribes) new-flist)
2582           (setq new-flist (delete (car unsubscribes) new-flist))
2583           (wl-append new-unsubscribes (list (car unsubscribes))))))
2584       (when (> len elmo-display-progress-threshold)
2585         (setq i (1+ i))
2586         (if (or (zerop (% i 10)) (= i len))
2587             (elmo-display-progress
2588              'wl-folder-update-access-group "Updating access group..."
2589              (/ (* i 100) len))))
2590       (setq unsubscribes (cdr unsubscribes)))
2591     ;;
2592     (if (or new-flist removes)
2593         (setq diff t))
2594     (setq new-flist
2595           (mapcar '(lambda (x)
2596                      (cond ((consp x) (list (car x) 'access))
2597                            (t x)))
2598                   new-flist))
2599     ;; check new groups
2600     (let ((new-list new-flist))
2601       (while new-list
2602         (if (not (wl-folder-access-subscribe-p
2603                   (car entity)
2604                   (if (listp (car new-list))
2605                       (caar new-list)
2606                     (car new-list))))
2607             ;; auto unsubscribe
2608             (progn
2609               (wl-append new-unsubscribes (list (car new-list)))
2610               (setq new-flist (delete (car new-list) new-flist)))
2611           (cond
2612            ((listp (car new-list))
2613             ;; check group exists
2614             (if (wl-string-assoc (caar new-list) wl-folder-group-alist)
2615                 (progn
2616                   (message "%s: group already exists." (caar new-list))
2617                   (sit-for 1)
2618                   (wl-append new-unsubscribes (list (car new-list)))
2619                   (setq new-flist (delete (car new-list) new-flist)))
2620               (wl-append wl-folder-group-alist
2621                          (list (cons (caar new-list) nil)))))))
2622         (setq new-list (cdr new-list))))
2623     (if new-flist
2624         (message "%d new folder(s)." (length new-flist))
2625       (message "Updating access group...done"))
2626     (wl-append new-flist subscribed-list)       ;; new is first
2627     (run-hooks 'wl-folder-update-access-group-hook)
2628     (setcdr (cdr entity) (list new-flist new-unsubscribes))
2629     (list diff new-flist new-unsubscribes removes)))
2630
2631 (defun wl-folder-prefetch-entity (entity)
2632   "Prefetch all new messages in the ENTITY."
2633   (cond
2634    ((consp entity)
2635     (let ((flist (nth 2 entity))
2636           (sum-done 0)
2637           (sum-all 0)
2638           result)
2639       (while flist
2640         (setq result (wl-folder-prefetch-entity (car flist)))
2641         (setq sum-done (+ sum-done (car result)))
2642         (setq sum-all (+ sum-all (cdr result)))
2643         (setq flist (cdr flist)))
2644       (message "Prefetched %d/%d message(s) in \"%s\"."
2645                sum-done sum-all
2646                (wl-folder-get-petname (car entity)))
2647       (cons sum-done sum-all)))
2648    ((stringp entity)
2649     (let* ((folder (wl-folder-get-elmo-folder entity))
2650            (nums (wl-folder-get-entity-info entity))
2651            (wl-summary-highlight (if (or (wl-summary-sticky-p folder)
2652                                          (wl-summary-always-sticky-folder-p
2653                                           folder))
2654                                      wl-summary-highlight))
2655            wl-summary-exit-next-move
2656            wl-auto-select-first ret-val
2657            count)
2658       (setq count (or (car nums) 0))
2659       (setq count (+ count (wl-folder-count-incorporates folder)))
2660       (if (or (null (car nums)) ; unknown
2661               (< 0 count))
2662           (save-window-excursion
2663             (save-excursion
2664               (let ((wl-summary-buffer-name (concat
2665                                              wl-summary-buffer-name
2666                                              (symbol-name this-command)))
2667                     (wl-summary-use-frame nil)
2668                     (wl-summary-always-sticky-folder-list nil))
2669                 (wl-summary-goto-folder-subr entity
2670                                              (wl-summary-get-sync-range
2671                                               folder)
2672                                              nil)
2673                 (setq ret-val (wl-summary-incorporate))
2674                 (wl-summary-exit)
2675                 ret-val)))
2676         (cons 0 0))))))
2677
2678 (defun wl-folder-count-incorporates (folder)
2679   (let ((marks (elmo-msgdb-mark-load
2680                 (elmo-folder-msgdb-path folder)))
2681         (sum 0))
2682     (while marks
2683       (if (member (cadr (car marks))
2684                   wl-summary-incorporate-marks)
2685           (incf sum))
2686       (setq marks (cdr marks)))
2687     sum))
2688
2689 (defun wl-folder-prefetch-current-entity (&optional no-check)
2690   "Prefetch all uncached messages in the folder at position.
2691 If current line is group folder, all subfolders are prefetched."
2692   (interactive "P")
2693   (save-excursion
2694     (let ((entity-name (wl-folder-get-entity-from-buffer))
2695           (group (wl-folder-buffer-group-p))
2696           wl-folder-check-entity-hook
2697           summary-buf entity)
2698       (when entity-name
2699         (setq entity
2700               (if group
2701                   (wl-folder-search-group-entity-by-name entity-name
2702                                                          wl-folder-entity)
2703                 entity-name))
2704         (if (not no-check)
2705             (wl-folder-check-entity entity))
2706         (wl-folder-prefetch-entity entity)))))
2707
2708 ;(defun wl-folder-drop-unsync-entity (entity)
2709 ;  "Drop all unsync messages in the ENTITY."
2710 ;  (cond
2711 ;   ((consp entity)
2712 ;    (let ((flist (nth 2 entity)))
2713 ;      (while flist
2714 ;       (wl-folder-drop-unsync-entity (car flist))
2715 ;       (setq flist (cdr flist)))))
2716 ;   ((stringp entity)
2717 ;    (let ((nums (wl-folder-get-entity-info entity))
2718 ;         wl-summary-highlight wl-auto-select-first new)
2719 ;      (setq new (or (car nums) 0))
2720 ;      (if (< 0 new)
2721 ;         (save-window-excursion
2722 ;           (save-excursion
2723 ;             (let ((wl-summary-buffer-name (concat
2724 ;                                            wl-summary-buffer-name
2725 ;                                            (symbol-name this-command))))
2726 ;               (wl-summary-goto-folder-subr entity 'no-sync nil)
2727 ;               (wl-summary-drop-unsync)
2728 ;               (wl-summary-exit)))))))))
2729
2730 ;(defun wl-folder-drop-unsync-current-entity (&optional force-check)
2731 ;  "Drop all unsync messages in the folder at position.
2732 ;If current line is group folder, all subfolders are dropped.
2733 ;If optional arg exists, don't check any folders."
2734 ;  (interactive "P")
2735 ;  (save-excursion
2736 ;    (let ((entity-name (wl-folder-get-entity-from-buffer))
2737 ;         (group (wl-folder-buffer-group-p))
2738 ;         wl-folder-check-entity-hook
2739 ;         summary-buf entity)
2740 ;      (when (and entity-name
2741 ;                (y-or-n-p (format
2742 ;                           "Drop all unsync messages in %s?" entity-name)))
2743 ;       (setq entity
2744 ;             (if group
2745 ;                 (wl-folder-search-group-entity-by-name entity-name
2746 ;                                                        wl-folder-entity)
2747 ;               entity-name))
2748 ;       (if (null force-check)
2749 ;           (wl-folder-check-entity entity))
2750 ;       (wl-folder-drop-unsync-entity entity)
2751 ;       (message "All unsync messages in %s are dropped!" entity-name)))))
2752
2753 (defun wl-folder-write-current-folder ()
2754   "Write message to current folder's newsgroup or mailing-list.
2755 Call `wl-summary-write-current-folder' with current folder name."
2756   (interactive)
2757   (unless (wl-folder-buffer-group-p)
2758     (wl-summary-write-current-folder
2759      (wl-folder-get-realname (wl-folder-entity-name)))))
2760
2761 (defun wl-folder-mimic-kill-buffer ()
2762   "Kill the current (Folder) buffer with query."
2763   (interactive)
2764   (let ((bufname (read-buffer (format "Kill buffer: (default %s) "
2765                                       (buffer-name))))
2766         wl-interactive-exit)
2767     (if (or (not bufname)
2768             (string-equal bufname "")
2769             (string-equal bufname (buffer-name)))
2770         (wl-exit)
2771       (kill-buffer bufname))))
2772
2773 (defun wl-folder-create-subr (folder)
2774   (if (not (elmo-folder-creatable-p folder))
2775       (error "Folder %s is not found" (elmo-folder-name-internal folder))
2776     (if (y-or-n-p
2777          (format "Folder %s does not exist, create it?"
2778                  (elmo-folder-name-internal folder)))
2779         (progn
2780           (setq wl-folder-entity-hashtb
2781                 (wl-folder-create-entity-hashtb
2782                  (elmo-folder-name-internal folder)
2783                  wl-folder-entity-hashtb))
2784           (unless (elmo-folder-create folder)
2785             (error "Create folder failed")))
2786       (error "Folder %s is not created" (elmo-folder-name-internal folder)))))
2787
2788 (defun wl-folder-confirm-existence (folder &optional force)
2789   (if force
2790       (unless (elmo-folder-exists-p folder)
2791         (wl-folder-create-subr folder))
2792     (unless (or (wl-folder-entity-exists-p (elmo-folder-name-internal folder))
2793                 (file-exists-p (elmo-folder-msgdb-path folder))
2794                 (elmo-folder-exists-p folder))
2795       (wl-folder-create-subr folder))))
2796
2797 (require 'product)
2798 (product-provide (provide 'wl-folder) (require 'wl-version))
2799
2800 ;;; wl-folder.el ends here