;;;
;;; $Id: tm-rich.el,v 1.1 1994/09/05 14:34:06 morioka Exp morioka $
;;;

(provide 'tm-rich)

(require 'tm-view)
(require 'assoc)
(require 'hilit19)

      
(defun mime/get-text/enriched-face (str)
  (let ((sym (intern str)))
    (if (eq sym 'italic)
	'modeline
      sym)))

(defun mime/decode-text/enriched-region (beg end)
  (interactive "*r")
  (save-excursion
    (save-restriction
      (narrow-to-region beg end)
      (goto-char beg)
      (let (cmd sym (fb (point)) fe b e)
	(while (re-search-forward
		"[ \t\n\r]*<[^<>\n\r \t]+>[ \t\n\r]*" nil t)
	  (setq cmd (buffer-substring (match-beginning 0) (match-end 0)))
	  (replace-match "")
	  (string-match "^[ \t\n\r]*<" cmd)
	  (setq cmd (substring cmd (match-end 0)))
	  (string-match ">[ \t\n\r]*$" cmd)
	  (setq cmd (substring cmd 0 (match-beginning 0)))
	  (setq sym (mime/get-text/enriched-face cmd))
	  (cond ((string= cmd "nl")
		 (fill-region fb (point) t)
		 (insert "\n")
		 (setq fb (point))
		 )
		((member sym (face-list))
		 (if (not (bolp))
		     (insert " ")
		   )
		 (setq b (point))
		 (save-excursion
		   (save-restriction
		     (if (re-search-forward (concat "[ \t\n\r]*</"
						    cmd ">[ \t\n\r]*")
					    nil t)
			 (progn
			   (replace-match " ")
			   (setq e (- (point) 1))
			   )
		       (setq e end)
		       )))
		 (hilit-unhighlight-region b e)
		 (hilit-region-set-face b e sym)
		 )))
	(fill-region fb (point) t)
	))))

(defun mime/decode-text/enriched-body ()
  (interactive)
  (save-excursion
    (save-restriction
      (let ((beg (point-min)) (end (point-max)))
	(goto-char (point-min))
	(if (search-forward "\n\n" nil t)
	    (setq beg (match-end 0))
	  )
	(mime/decode-text/enriched-region beg end)
	))))


(aput 'mime/content-filter-alist
      "text/enriched" (function mime/decode-text/enriched-body))

(aput 'mime/content-filter-alist
      "text/richtext" (function mime/decode-text/enriched-body))