+(defsubst eliminate-top-spaces (string)
+ "Eliminate top sequence of space or tab in STRING."
+ (if (string-match "^[ \t]+" string)
+ (substring string (match-end 0))
+ string))
+
+(defun mime-edit-decode-multipart-in-buffer (content-type not-decode-text)
+ (let* ((subtype
+ (or
+ (cdr (assoc (mime-content-type-parameter content-type "protocol")
+ '(("application/pgp-encrypted" . pgp-encrypted)
+ ("application/pgp-signature" . pgp-signed))))
+ (mime-content-type-subtype content-type)))
+ (boundary (mime-content-type-parameter content-type "boundary"))
+ (boundary-pat (concat "\n--" (regexp-quote boundary) "[ \t]*\n")))
+ (re-search-forward boundary-pat nil t)
+ (let ((bb (match-beginning 0)) eb tag)
+ (setq tag (format "\n--<<%s>>-{\n" subtype))
+ (goto-char bb)
+ (insert tag)
+ (setq bb (+ bb (length tag)))
+ (re-search-forward
+ (concat "\n--" (regexp-quote boundary) "--[ \t]*\n")
+ nil t)
+ (setq eb (match-beginning 0))
+ (replace-match (format "--}-<<%s>>\n" subtype))
+ (save-restriction
+ (narrow-to-region bb eb)
+ (goto-char (point-min))
+ (while (re-search-forward boundary-pat nil t)
+ (let ((beg (match-beginning 0))
+ end)
+ (delete-region beg (match-end 0))
+ (save-excursion
+ (if (re-search-forward boundary-pat nil t)
+ (setq end (match-beginning 0))
+ (setq end (point-max))
+ )
+ (save-restriction
+ (narrow-to-region beg end)
+ (cond
+ ((eq subtype 'pgp-encrypted)
+ (when (and
+ (progn
+ (goto-char (point-min))
+ (re-search-forward "^-+BEGIN PGP MESSAGE-+$"
+ nil t))
+ (prog1
+ (save-window-excursion
+ (pgg-decrypt-region (match-beginning 0)
+ (point-max)))
+ (delete-region (point-min)(point-max))))
+ (insert-buffer-substring pgg-output-buffer)
+ (mime-edit-decode-message-in-buffer
+ nil not-decode-text)
+ (delete-region (goto-char (point-min))
+ (if (search-forward "\n\n" nil t)
+ (match-end 0)
+ (point-min)))
+ (goto-char (point-max))
+ ))
+ (t
+ (mime-edit-decode-message-in-buffer
+ (if (eq subtype 'digest)
+ (eval-when-compile
+ (make-mime-content-type 'message 'rfc822))
+ )
+ not-decode-text)
+ (goto-char (point-max))
+ ))
+ ))))
+ ))
+ (goto-char (point-min))
+ (or (= (point-min) 1)
+ (delete-region (point-min)
+ (if (search-forward "\n\n" nil t)
+ (match-end 0)
+ (point-min)
+ )))
+ ))
+
+(defun mime-edit-decode-single-part-in-buffer
+ (content-type not-decode-text &optional content-disposition)
+ (let* ((type (mime-content-type-primary-type content-type))
+ (subtype (mime-content-type-subtype content-type))
+ (ctype (format "%s/%s" type subtype))
+ charset
+ (pstr (let ((bytes (+ 14 (length ctype))))
+ (mapconcat (function
+ (lambda (attr)
+ (if (string= (car attr) "charset")
+ (progn
+ (setq charset (cdr attr))
+ "")
+ (let* ((str (concat (car attr)
+ "=" (cdr attr)))
+ (bs (length str)))
+ (setq bytes (+ bytes bs 2))
+ (if (< bytes 76)
+ (concat "; " str)
+ (setq bytes (+ bs 1))
+ (concat ";\n " str)
+ )
+ ))))
+ (mime-content-type-parameters content-type) "")))
+ encoding
+ encoded
+ (limit (save-excursion
+ (if (search-forward "\n\n" nil t)
+ (1- (point)))))
+ (disposition-type
+ (mime-content-disposition-type content-disposition))
+ (disposition-str
+ (if disposition-type
+ (let ((bytes (+ 21 (length (format "%s" disposition-type)))))
+ (mapconcat (function
+ (lambda (attr)
+ (let* ((str (concat
+ (car attr)
+ "="
+ (if (string-equal "filename"
+ (car attr))
+ (std11-wrap-as-quoted-string
+ (cdr attr))
+ (cdr attr))))
+ (bs (length str)))
+ (setq bytes (+ bytes bs 2))
+ (if (< bytes 76)
+ (concat "; " str)
+ (setq bytes (+ bs 1))
+ (concat ";\n " str)
+ )
+ )))
+ (mime-content-disposition-parameters
+ content-disposition)
+ ""))))
+ )
+ (if disposition-type
+ (setq pstr (format "%s\nContent-Disposition: %s%s"
+ pstr disposition-type disposition-str))
+ )
+ (save-excursion
+ (if (re-search-forward
+ "^Content-Transfer-Encoding:" limit t)
+ (let ((beg (match-beginning 0))
+ (hbeg (match-end 0))
+ (end (std11-field-end limit)))
+ (setq encoding
+ (downcase
+ (eliminate-top-spaces
+ (std11-unfold-string
+ (buffer-substring hbeg end)))))
+ (if (or charset (eq type 'text))
+ (progn
+ (delete-region beg (1+ end))
+ (goto-char (point-min))
+ (if (search-forward "\n\n" nil t)
+ (progn
+ (mime-decode-region
+ (match-end 0)(point-max) encoding)
+ (setq encoded t
+ encoding nil)
+ )))))))
+ (if (or encoded (not not-decode-text))
+ (progn
+ (save-excursion
+ (goto-char (point-min))
+ (while (re-search-forward "\r\n" nil t)
+ (replace-match "\n")
+ ))
+ (decode-mime-charset-region (point-min)(point-max)
+ (or charset default-mime-charset))
+ ))
+ (let ((he (if (re-search-forward "^$" nil t)
+ (match-end 0)
+ (point-min)
+ )))
+ (if (and (eq type 'text)
+ (eq subtype 'x-rot13-47-48))
+ (mule-caesar-region he (point-max))
+ )
+ (if (= (point-min) 1)
+ (progn
+ (goto-char he)
+ (insert
+ (concat "\n"
+ (mime-create-tag
+ (format "%s/%s%s" type subtype pstr)
+ encoding)))
+ )
+ (delete-region (point-min) he)
+ (insert
+ (mime-create-tag (format "%s/%s%s" type subtype pstr)
+ encoding))
+ ))
+ ))
+
+;;;###autoload
+(defun mime-edit-decode-message-in-buffer (&optional default-content-type
+ not-decode-text)