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" "--late")
  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 (defvar elmo-nmz-use-drive-letter (if (memq system-type
  64                                             '(OS/2 emx windows-nt)) t nil)
  65   "*If non-nil, do a drive letter conversion (e.g. /a|/ => a:/).")
  66
  67 ;;; "namazu search"
  68 (eval-and-compile
  69   (luna-define-class elmo-nmz-folder
  70                      (elmo-map-folder) (pattern index-path))
  71   (luna-define-internal-accessors 'elmo-nmz-folder))
  72
  73 (luna-define-method elmo-folder-initialize ((folder
  74                                              elmo-nmz-folder)
  75                                             name)
  76   (with-temp-buffer
  77     (insert "[" name)
  78     (goto-char (point-min))
  79     (forward-sexp)
  80     (elmo-nmz-folder-set-pattern-internal folder
  81                                           (buffer-substring
  82                                            (+ 1 (point-min))
  83                                            (- (point) 1)))
  84     (let ((index (buffer-substring (point) (point-max))))
  85       (elmo-nmz-folder-set-index-path-internal
  86        folder
  87        (cond ((cdr (assoc index elmo-nmz-index-alias-alist)))
  88              ((eq (length index) 0)
  89               elmo-nmz-default-index-path)
  90              (t
  91               index))))
  92     folder))
  93
  94 (luna-define-method elmo-folder-expand-msgdb-path ((folder
  95                                                     elmo-nmz-folder))
  96   (expand-file-name
  97    (elmo-replace-string-as-filename
  98     (elmo-folder-name-internal folder))
  99    (expand-file-name "nmz" elmo-msgdb-directory)))
 100
 101 (defun elmo-nmz-msgdb-create-entity (folder number)
 102   "Create msgdb entity for the message in the FOLDER with NUMBER."
 103   (let ((location (expand-file-name (elmo-map-message-location folder number)))
 104         entity uid)
 105     (setq entity (elmo-msgdb-create-overview-entity-from-file number location))
 106     (unless (or (> (length (elmo-msgdb-overview-entity-get-to entity)) 0)
 107                 (> (length (elmo-msgdb-overview-entity-get-cc entity)) 0)
 108                 (not (string= (elmo-msgdb-overview-entity-get-subject entity)
 109                               elmo-no-subject)))
 110       (elmo-msgdb-overview-entity-set-subject entity location)
 111       (setq uid (nth 2 (file-attributes location)))
 112       (elmo-msgdb-overview-entity-set-from entity
 113                                            (concat
 114                                             (user-full-name uid)
 115                                             " <"(user-login-name uid) "@"
 116                                             (system-name) ">")))
 117     entity))
 118
 119 (luna-define-method elmo-folder-msgdb-create ((folder elmo-nmz-folder)
 120                                               numlist seen-list)
 121   (let* (overview number-alist mark-alist entity
 122                   i percent num pair)
 123     (setq num (length numlist))
 124     (setq i 0)
 125     (message "Creating msgdb...")
 126     (while numlist
 127       (setq entity
 128             (elmo-nmz-msgdb-create-entity
 129              folder (car numlist)))
 130       (when entity
 131         (setq overview
 132               (elmo-msgdb-append-element
 133                overview entity))
 134         (setq number-alist
 135               (elmo-msgdb-number-add number-alist
 136                                      (elmo-msgdb-overview-entity-get-number
 137                                       entity)
 138                                      (elmo-msgdb-overview-entity-get-id
 139                                       entity)))
 140         (setq mark-alist
 141               (elmo-msgdb-mark-append
 142                mark-alist
 143                (elmo-msgdb-overview-entity-get-number
 144                 entity)
 145                (or (elmo-msgdb-global-mark-get
 146                     (elmo-msgdb-overview-entity-get-id
 147                      entity))
 148                    elmo-msgdb-new-mark))))
 149       (when (> num elmo-display-progress-threshold)
 150         (setq i (1+ i))
 151         (setq percent (/ (* i 100) num))
 152         (elmo-display-progress
 153          'elmo-folder-msgdb-create "Creating msgdb..."
 154          percent))
 155       (setq numlist (cdr numlist)))
 156     (message "Creating msgdb...done")
 157     (list overview number-alist mark-alist)))
 158
 159 (luna-define-method elmo-folder-message-file-p ((folder elmo-nmz-folder))
 160   t)
 161
 162 (luna-define-method elmo-message-file-name ((folder elmo-nmz-folder)
 163                                             number)
 164   (elmo-map-message-location folder number))
 165
 166 (luna-define-method elmo-folder-message-make-temp-file-p
 167   ((folder elmo-nmz-folder))
 168   t)
 169
 170 (luna-define-method elmo-folder-diff ((folder elmo-nmz-folder)
 171                                       &optional numbers)
 172   (cons nil nil))
 173
 174 (luna-define-method elmo-folder-message-make-temp-files ((folder
 175                                                           elmo-nmz-folder)
 176                                                          numbers
 177                                                          &optional
 178                                                          start-number)
 179   (let ((temp-dir (elmo-folder-make-temporary-directory folder))
 180         (cur-number (if start-number 0)))
 181     (dolist (number numbers)
 182       (elmo-copy-file
 183        (elmo-message-file-name folder number)
 184        (expand-file-name
 185         (int-to-string (if start-number (incf cur-number) number))
 186         temp-dir)))
 187     temp-dir))
 188
 189 (luna-define-method elmo-map-message-fetch ((folder elmo-nmz-folder)
 190                                             location strategy
 191                                             &optional section unseen)
 192   (when (file-exists-p location)
 193     (prog1
 194         (insert-file-contents-as-binary (expand-file-name location))
 195       (unless (or (std11-field-body "To")
 196                   (std11-field-body "Cc")
 197                   (std11-field-body "Subject"))
 198         (let (charset guess uid)
 199           (erase-buffer)
 200           (set-buffer-multibyte t)
 201           (insert-file-contents (expand-file-name location))
 202           (setq charset (detect-mime-charset-region (point-min)
 203                                                     (point-max)))
 204           (goto-char (point-min))
 205           (setq guess (mime-find-file-type location))
 206           (setq uid (nth 2 (file-attributes location)))
 207           (insert "From: " (concat (user-full-name uid)
 208                                    " <"(user-login-name uid) "@"
 209                                    (system-name) ">") "\n")
 210           (insert "Subject: " location "\n")
 211           (insert "Content-Type: "
 212                   (concat (nth 0 guess) "/" (nth 1 guess))
 213                   "; charset=" (upcase (symbol-name charset))
 214                   "\nMIME-Version: 1.0\n\n")
 215           (encode-mime-charset-region (point-min) (point-max) charset)
 216           (set-buffer-multibyte nil))))))
 217
 218 (luna-define-method elmo-map-folder-list-message-locations
 219   ((folder elmo-nmz-folder))
 220   (let (bol locations)
 221     (with-temp-buffer
 222       (apply 'call-process elmo-nmz-prog nil t t
 223              (append elmo-nmz-args
 224                      (list
 225                       (encode-mime-charset-string
 226                        (elmo-nmz-folder-pattern-internal folder)
 227                        elmo-nmz-charset))
 228                      (if (listp (elmo-nmz-folder-index-path-internal folder))
 229                          (mapcar
 230                           'expand-file-name
 231                           (elmo-nmz-folder-index-path-internal folder))
 232                        (list
 233                         (expand-file-name
 234                          (elmo-nmz-folder-index-path-internal folder))))))
 235       (goto-char (point-min))
 236       (while (not (eobp))
 237         (beginning-of-line)
 238         ;; convert url to file path.
 239         (when (looking-at "^file://")
 240           (replace-match ""))
 241         (when (and elmo-nmz-use-drive-letter
 242                    (looking-at "^/\\([A-Za-z]\\)|/"))
 243           (replace-match "\\1:/")
 244           (beginning-of-line))
 245         (setq bol (point))
 246         (end-of-line)
 247         (setq locations (cons (buffer-substring bol (point)) locations))
 248         (forward-line 1))
 249       (nreverse locations))))
 250
 251 (luna-define-method elmo-folder-exists-p ((folder elmo-nmz-folder))
 252   t)
 253
 254 (require 'product)
 255 (product-provide (provide 'elmo-nmz) (require 'elmo-version))
 256
 257 ;;; elmo-nmz.el ends here