tm-enriched.el

   1 ;;;
   2 ;;; $Id: tm-rich.el,v 2.2 1994/10/31 07:44:51 morioka Exp $
   3 ;;;
   4 ;;;          by MORIOKA Tomohiko  <morioka@jaist.ac.jp>
   5 ;;; modified by YAMATE Keiichirou <ics9118@sem1.info.osaka-cu.ac.jp>
   6 ;;;
   7
   8 (provide 'tm-enriched)
   9
  10 (require 'tm-view)
  11
  12 (defvar mime/text/enriched-face-list
  13   '("bold" "italic" "fixed" "underline"))
  14
  15 (cond ((and (>= (string-to-int emacs-version) 19) window-system)
  16        (require 'hilit19)
  17        (defun mime/set-face-region (b e face)
  18          (let ((sym (intern face)))
  19            (if (eq sym 'italic)
  20                (setq sym 'modeline)
  21              )
  22            (if (member sym (face-list))
  23                (progn
  24                  (hilit-unhighlight-region b e)
  25                  (hilit-region-set-face b e sym)
  26                  ))))
  27        )
  28       ((and (boundp 'NEMACS) NEMACS)
  29        (setq mime/text/enriched-face-list
  30              '("bold" "italic" "underline"))
  31        (setq mime/text/enriched-face-attribute-alist
  32              '(("bold"      . inversed-region)
  33                ("italic"    . underlined-region)
  34                ("underline" . underlined-region)
  35                ))
  36        (defun mime/set-face-region (beg end sym)
  37          (attribute-add-narrow-attribute
  38           (cdr (assoc sym mime/text/enriched-face-attribute-alist))
  39           beg end))
  40        )
  41       (t
  42        (setq mime/text/enriched-face-list
  43              nil)
  44        (defun mime/set-face-region (beg end sym)
  45          )
  46        ))
  47
  48 (defun mime/decode-text/enriched-region (beg end)
  49   (interactive "*r")
  50   (save-excursion
  51     (save-restriction
  52       (narrow-to-region beg end)
  53       (while (re-search-forward "[\n]+" nil t)
  54         (let ((str (buffer-substring (match-beginning 0)
  55                                      (match-end 0))))
  56           (if (string= str "\n")
  57               (replace-match " ")
  58             (replace-match (substring str 1))
  59             )))
  60       (goto-char beg)
  61       (let (cmd str (fb (point)) fe b e)
  62         (while (re-search-forward "<\\(<\\|[^<>\n\r \t]+>\\)" nil t)
  63           (setq b (match-beginning 0))
  64           (setq cmd (buffer-substring b (match-end 0)))
  65           (if (string= cmd "<<")
  66               (replace-match "<")
  67             (replace-match "")
  68             (setq cmd (downcase (substring cmd 1 (- (length cmd) 1))))
  69             )
  70           (cond ((string= cmd "param")
  71                  (setq b (point))
  72                  (save-excursion
  73                    (save-restriction
  74                      (if (search-forward "</param>" nil t)
  75                          (progn
  76                            (replace-match "")
  77                            (setq e (point))
  78                            )
  79                        (setq e end)
  80                        )))
  81                  (delete-region b e)
  82                  )
  83                 ((member cmd mime/text/enriched-face-list)
  84                  (setq b (point))
  85                  (save-excursion
  86                    (save-restriction
  87                      (if (re-search-forward (concat "</" cmd ">") nil t)
  88                          (progn
  89                            (replace-match "")
  90                            (setq e (point))
  91                            )
  92                        (setq e end)
  93                        )))
  94                  (mime/set-face-region b e cmd)
  95                  )))
  96         (goto-char (point-max))
  97         (if (not (eq (preceding-char) ?\n))
  98             (insert "\n")
  99           )
 100         ))))
 101
 102 (defun mime/decode-text/enriched (&optional ctl)
 103   (interactive)
 104   (save-excursion
 105     (save-restriction
 106       (let ((beg (point-min)) (end (point-max)))
 107         (goto-char (point-min))
 108         (if (search-forward "\n\n" nil t)
 109             (setq beg (match-end 0))
 110           )
 111         (mime/decode-text/enriched-region beg end)
 112         ))))
 113
 114
 115 (set-alist 'mime/content-filter-alist
 116            "text/enriched" (function mime/decode-text/enriched))
 117
 118 (set-alist 'mime/content-filter-alist
 119            "text/richtext" (function mime/decode-text/enriched))
 120