elmo/elmo-nmz.el

   1 ;;; elmo-nmz.el --- Namazu interface for ELMO.
   2
   3 ;; Copyright (C) 2000 Yuuichi Teranishi <teranisi@gohome.org>
   4
   5 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
   6 ;; Keywords: mail, net news
   7
   8 ;; This file is part of ELMO (Elisp Library for Message Orchestration).
   9
  10 ;; This program is free software; you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation; either version 2, or (at your option)
  13 ;; any later version.
  14 ;;
  15 ;; This program is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19 ;;
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23 ;; Boston, MA 02111-1307, USA.
  24 ;;
  25
  26 ;;; Commentary:
  27 ;;
  28
  29 ;;; Code:
  30 ;;
  31 (require 'elmo)
  32 (require 'elmo-map)
  33 (require 'mime-edit)
  34
  35 (defcustom elmo-nmz-default-index-path "~/Mail"
  36   "*Default index path for namazu.
  37 If the value is a list, all elements are used as index paths for namazu."
  38   :type 'directory
  39   :group 'elmo)
  40
  41 (defcustom elmo-nmz-prog "namazu"
  42   "*Program name of namazu."
  43   :type 'string
  44   :group 'elmo)
  45
  46 (defcustom elmo-nmz-charset 'iso-2022-jp
  47   "*Charset for namazu argument."
  48   :type 'symbol
  49   :group 'elmo)
  50
  51 (defcustom elmo-nmz-args '("--all" "--list" "--early")
  52   "*Argument list for namazu to list matched files."
  53   :type '(repeat string)
  54   :group 'elmo)
  55
  56 (defcustom elmo-nmz-index-alias-alist nil
  57   "*Alist of ALIAS and INDEX-PATH."
  58   :type '(repeat (cons (string :tag "Alias Name")
  59                        (choice (directory :tag "Index Path")
  60                                (repeat (directory :tag "Index Path")))))
  61   :group 'elmo)
  62
  63 ;;; "namazu search"
  64 (eval-and-compile
  65   (luna-define-class elmo-nmz-folder
  66                      (elmo-map-folder) (pattern index-path))
  67   (luna-define-internal-accessors 'elmo-nmz-folder))
  68
  69 (luna-define-method elmo-folder-initialize ((folder
  70                                              elmo-nmz-folder)
  71                                             name)
  72   (with-temp-buffer
  73     (insert "[" name)
  74     (goto-char (point-min))
  75     (forward-sexp)
  76     (elmo-nmz-folder-set-pattern-internal folder
  77                                           (buffer-substring
  78                                            (+ 1 (point-min))
  79                                            (- (point) 1)))
  80     (let ((index (buffer-substring (point) (point-max))))
  81       (elmo-nmz-folder-set-index-path-internal
  82        folder
  83        (cond ((cdr (assoc index elmo-nmz-index-alias-alist)))
  84              ((eq (length index) 0)
  85               elmo-nmz-default-index-path)
  86              (t
  87               index))))
  88     folder))
  89
  90 (luna-define-method elmo-folder-expand-msgdb-path ((folder
  91                                                     elmo-nmz-folder))
  92   (expand-file-name
  93    (elmo-replace-string-as-filename
  94     (elmo-folder-name-internal folder))
  95    (expand-file-name "nmz" elmo-msgdb-directory)))
  96
  97 (defun elmo-nmz-msgdb-create-entity (folder number)
  98   "Create msgdb entity for the message in the FOLDER with NUMBER."
  99   (let ((location (elmo-map-message-location folder number))
 100         entity uid)
 101     (setq entity (elmo-msgdb-create-overview-entity-from-file number location))
 102     (unless (or (> (length (elmo-msgdb-overview-entity-get-to entity)) 0)
 103                 (> (length (elmo-msgdb-overview-entity-get-cc entity)) 0)
 104                 (not (string= (elmo-msgdb-overview-entity-get-subject entity)
 105                               elmo-no-subject)))
 106       (elmo-msgdb-overview-entity-set-subject entity location)
 107       (setq uid (nth 2 (file-attributes location)))
 108       (elmo-msgdb-overview-entity-set-from entity
 109                                            (concat
 110                                             (user-full-name uid)
 111                                             " <"(user-login-name uid) "@"
 112                                             (system-name) ">")))
 113     entity))
 114
 115 (luna-define-method elmo-folder-msgdb-create ((folder elmo-nmz-folder)
 116                                               numlist new-mark
 117                                               already-mark seen-mark
 118                                               important-mark
 119                                               seen-list)
 120   (let* (overview number-alist mark-alist entity
 121                   i percent num pair)
 122     (setq num (length numlist))
 123     (setq i 0)
 124     (message "Creating msgdb...")
 125     (while numlist
 126       (setq entity
 127             (elmo-nmz-msgdb-create-entity
 128              folder (car numlist)))
 129       (when entity
 130         (setq overview
 131               (elmo-msgdb-append-element
 132                overview entity))
 133         (setq number-alist
 134               (elmo-msgdb-number-add number-alist
 135                                      (elmo-msgdb-overview-entity-get-number
 136                                       entity)
 137                                      (elmo-msgdb-overview-entity-get-id
 138                                       entity)))
 139         (setq mark-alist
 140               (elmo-msgdb-mark-append
 141                mark-alist
 142                (elmo-msgdb-overview-entity-get-number
 143                 entity)
 144                (or (elmo-msgdb-global-mark-get
 145                     (elmo-msgdb-overview-entity-get-id
 146                      entity))
 147                    new-mark))))
 148       (when (> num elmo-display-progress-threshold)
 149         (setq i (1+ i))
 150         (setq percent (/ (* i 100) num))
 151         (elmo-display-progress
 152          'elmo-folder-msgdb-create "Creating msgdb..."
 153          percent))
 154       (setq numlist (cdr numlist)))
 155     (message "Creating msgdb...done.")
 156     (list overview number-alist mark-alist)))
 157
 158 (luna-define-method elmo-folder-message-file-p ((folder elmo-nmz-folder))
 159   t)
 160
 161 (luna-define-method elmo-message-file-name ((folder elmo-nmz-folder)
 162                                             number)
 163   (elmo-map-message-location folder number))
 164
 165 (luna-define-method elmo-folder-message-make-temp-file-p
 166   ((folder elmo-nmz-folder))
 167   t)
 168
 169 (luna-define-method elmo-folder-diff ((folder elmo-nmz-folder)
 170                                       &optional numbers)
 171   (cons nil nil))
 172
 173 (luna-define-method elmo-folder-message-make-temp-files ((folder
 174                                                           elmo-nmz-folder)
 175                                                          numbers
 176                                                          &optional
 177                                                          start-number)
 178   (let ((temp-dir (elmo-folder-make-temporary-directory folder))
 179         (cur-number (if start-number 0)))
 180     (dolist (number numbers)
 181       (elmo-copy-file
 182        (elmo-message-file-name folder number)
 183        (expand-file-name
 184         (int-to-string (if start-number (incf cur-number) number))
 185         temp-dir)))
 186     temp-dir))
 187
 188 (luna-define-method elmo-map-message-fetch ((folder elmo-nmz-folder)
 189                                             location strategy
 190                                             &optional section unseen)
 191   (when (file-exists-p location)
 192     (prog1
 193         (insert-file-contents-as-binary location)
 194       (unless (or (std11-field-body "To")
 195                   (std11-field-body "Cc")
 196                   (std11-field-body "Subject"))
 197         (let (charset guess uid)
 198           (erase-buffer)
 199           (set-buffer-multibyte t)
 200           (insert-file-contents location)
 201           (setq charset (detect-mime-charset-region (point-min)
 202                                                     (point-max)))
 203           (goto-char (point-min))
 204           (setq guess (mime-find-file-type location))
 205           (setq uid (nth 2 (file-attributes location)))
 206           (insert "From: " (concat (user-full-name uid)
 207                                    " <"(user-login-name uid) "@"
 208                                    (system-name) ">") "\n")
 209           (insert "Subject: " location "\n")
 210           (insert "Content-Type: "
 211                   (concat (nth 0 guess) "/" (nth 1 guess))
 212                   "; charset=" (upcase (symbol-name charset))
 213                   "\nMIME-Version: 1.0\n\n")
 214           (encode-mime-charset-region (point-min) (point-max) charset)
 215           (set-buffer-multibyte nil))))))
 216
 217 (luna-define-method elmo-map-folder-list-message-locations
 218   ((folder elmo-nmz-folder))
 219   (let (bol locations)
 220     (with-temp-buffer
 221       (apply 'call-process elmo-nmz-prog nil t t
 222              (append elmo-nmz-args
 223                      (list
 224                       (encode-mime-charset-string
 225                        (elmo-nmz-folder-pattern-internal folder)
 226                        elmo-nmz-charset))
 227                      (if (listp (elmo-nmz-folder-index-path-internal folder))
 228                          (mapcar
 229                           'expand-file-name
 230                           (elmo-nmz-folder-index-path-internal folder))
 231                        (list
 232                         (expand-file-name
 233                          (elmo-nmz-folder-index-path-internal folder))))))
 234       (goto-char (point-min))
 235       (while (not (eobp))
 236         (beginning-of-line)
 237         (setq bol (if (looking-at "^file://") (match-end 0)(point)))
 238         (end-of-line)
 239         (setq locations (cons (buffer-substring bol (point)) locations))
 240         (forward-line 1))
 241       locations)))
 242
 243 (luna-define-method elmo-folder-exists-p ((folder elmo-nmz-folder))
 244   t)
 245
 246 (luna-define-method elmo-folder-search ((folder elmo-nmz-folder)
 247                                         condition &optional from-msgs)
 248   (let* ((msgs (or from-msgs (elmo-folder-list-messages folder)))
 249          (orig msgs)
 250          (i 0)
 251          case-fold-search matches
 252          percent num
 253          (num (length msgs)))
 254     (while msgs
 255       (if (elmo-file-field-condition-match
 256            (elmo-map-message-location folder (car msgs))
 257            condition
 258            (car msgs)
 259            orig)
 260           (setq matches (cons (car msgs) matches)))
 261        (setq i (1+ i))
 262        (setq percent (/ (* i 100) num))
 263        (elmo-display-progress
 264         'elmo-nmz-search "Searching..."
 265         percent)
 266        (setq msgs (cdr msgs)))
 267     matches))
 268
 269 ;;; To override elmo-map-folder methods.
 270 (luna-define-method elmo-folder-list-unreads-internal
 271   ((folder elmo-nmz-folder) unread-marks &optional mark-alist)
 272   t)
 273
 274 (luna-define-method elmo-folder-unmark-important ((folder elmo-nmz-folder)
 275                                                   numbers)
 276   t)
 277
 278 (luna-define-method elmo-folder-mark-as-important ((folder elmo-nmz-folder)
 279                                                    numbers)
 280   t)
 281
 282 (luna-define-method elmo-folder-unmark-read ((folder elmo-nmz-folder) numbers)
 283   t)
 284
 285 (luna-define-method elmo-folder-mark-as-read ((folder elmo-nmz-folder) numbers)
 286   t)
 287
 288 (require 'product)
 289 (product-provide (provide 'elmo-nmz) (require 'elmo-version))
 290
 291 ;;; elmo-nmz.el ends here