elmo/mmelmo.el

   1 ;;; mmelmo.el -- mm-backend by ELMO.
   2
   3 ;; Copyright 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
   4
   5 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
   6 ;; Keywords: mail, net news
   7 ;; Time-stamp: <00/03/07 17:00:43 teranisi>
   8
   9 ;; This file is part of ELMO (Elisp Library for Message Orchestration).
  10
  11 ;; This program is free software; you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation; either version 2, or (at your option)
  14 ;; any later version.
  15 ;;
  16 ;; This program is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20 ;;
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  24 ;; Boston, MA 02111-1307, USA.
  25 ;;
  26
  27 ;;; Commentary:
  28 ;;
  29
  30 ;;; Code:
  31 ;;
  32
  33 (require 'elmo-vars)
  34 (require 'elmo-util)
  35 (require 'mime-parse)
  36 (require 'mmbuffer)
  37
  38 (defvar mmelmo-header-max-column fill-column
  39   "*Inserted header is folded with this value.
  40 If function is specified, its return value is used.")
  41
  42 (defvar mmelmo-header-inserted-hook nil
  43   "*A hook called when header is inserted.")
  44
  45 (defvar mmelmo-entity-content-inserted-hook nil
  46   "*A hook called when entity-content is inserted.")
  47
  48 (defun mmelmo-get-original-buffer ()
  49   (save-excursion
  50     (let (ret-val)
  51       (if (setq ret-val
  52                 (get-buffer (concat mmelmo-entity-buffer-name "0")))
  53           ret-val
  54         (set-buffer (setq ret-val
  55                           (get-buffer-create
  56                            (concat mmelmo-entity-buffer-name "0"))))
  57         (mmelmo-original-mode)
  58         ret-val))))
  59
  60 (defun mmelmo-cleanup-entity-buffers ()
  61   "Cleanup entity buffers of mmelmo."
  62   (mapcar (lambda (x)
  63             (if (string-match mmelmo-entity-buffer-name x)
  64                 (kill-buffer x)))
  65           (mapcar 'buffer-name (buffer-list))))
  66
  67 (defun mmelmo-insert-sorted-header-from-buffer (buffer
  68                                                 start end
  69                                                 &optional invisible-fields
  70                                                 visible-fields
  71                                                 sorted-fields)
  72   (let ((the-buf (current-buffer))
  73         (mode-obj (mime-find-field-presentation-method 'wide))
  74         field-decoder
  75         f-b p f-e field-name field field-body
  76         vf-alist (sl sorted-fields))
  77     (save-excursion
  78       (set-buffer buffer)
  79       (save-restriction
  80         (narrow-to-region start end)
  81         (goto-char start)
  82         (while (re-search-forward std11-field-head-regexp nil t)
  83           (setq f-b (match-beginning 0)
  84                 p (match-end 0)
  85                 field-name (buffer-substring f-b p)
  86                 f-e (std11-field-end))
  87           (when (mime-visible-field-p field-name
  88                                       visible-fields invisible-fields)
  89             (setq field (intern
  90                          (capitalize (buffer-substring f-b (1- p))))
  91                   field-body (buffer-substring p f-e)
  92                   field-decoder (inline (mime-find-field-decoder-internal
  93                                          field mode-obj)))
  94             (setq vf-alist (append (list
  95                                     (cons field-name
  96                                           (list field-body field-decoder)))
  97                                    vf-alist))))
  98         (and vf-alist
  99              (setq vf-alist
 100                    (sort vf-alist
 101                          (function (lambda (s d)
 102                                      (let ((n 0) re
 103                                            (sf (car s))
 104                                            (df (car d)))
 105                                        (catch 'done
 106                                          (while (setq re (nth n sl))
 107                                            (setq n (1+ n))
 108                                            (and (string-match re sf)
 109                                                 (throw 'done t))
 110                                            (and (string-match re df)
 111                                                 (throw 'done nil)))
 112                                          t)))))))
 113         (with-current-buffer the-buf
 114           (while vf-alist
 115             (let* ((vf (car vf-alist))
 116                    (field-name (car vf))
 117                    (field-body (car (cdr vf)))
 118                    (field-decoder (car (cdr (cdr vf)))))
 119               (insert field-name)
 120               (insert (if field-decoder
 121                           (funcall field-decoder field-body
 122                                    (string-width field-name)
 123                                    (if (functionp mmelmo-header-max-column)
 124                                        (funcall mmelmo-header-max-column)
 125                                      mmelmo-header-max-column))
 126                         ;; Don't decode
 127                         field-body))
 128               (insert "\n"))
 129             (setq vf-alist (cdr vf-alist)))
 130           (run-hooks 'mmelmo-header-inserted-hook))))))
 131
 132 (defun mmelmo-original-mode ()
 133   (setq major-mode 'mmelmo-original-mode)
 134   (setq buffer-read-only t)
 135   (elmo-set-buffer-multibyte nil)
 136   (setq mode-name "MMELMO-Original"))
 137
 138 ;; For FLIMs without rfc2231 feature .
 139 (if (not (fboundp 'mime-parse-parameters-from-list))
 140     (defun mime-parse-parameters-from-list (attrlist)
 141       (let (ret-val)
 142         (if (not (eq (% (length attrlist) 2) 0))
 143             (message "Invalid attributes."))
 144         (while attrlist
 145           (setq ret-val (append ret-val
 146                                 (list (cons (downcase (car attrlist))
 147                                             (downcase (car (cdr attrlist)))))))
 148           (setq attrlist (cdr (cdr attrlist))))
 149         ret-val)))
 150
 151 (provide 'mmelmo) ; for circular dependency.
 152 (static-if (fboundp 'luna-define-method)
 153     ;; FLIM 1.13 or later
 154     (require 'mmelmo-2)
 155   ;; FLIM 1.12
 156   (require 'mmelmo-1))
 157
 158
 159 ;;; mmelmo.el ends here