-;;;
-;;; $Id: mel-u.el,v 2.0 1995/10/30 06:01:29 morioka Exp $
-;;;
+;;; mel-u.el --- uuencode encoder/decoder.
+
+;; Copyright (C) 1995,1996,1997,1998,1999 Free Software Foundation, Inc.
+
+;; Author: MORIOKA Tomohiko <tomo@m17n.org>
+;; Created: 1995/10/25
+;; Keywords: uuencode
+
+;; This file is part of FLIM (Faithful Library about Internet Message).
+
+;; This program is free software; you can redistribute it and/or
+;; modify it under the terms of the GNU General Public License as
+;; published by the Free Software Foundation; either version 2, or (at
+;; your option) any later version.
+
+;; This program is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;; General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Code:
+
+(require 'mime-def)
+(require 'path-util)
+
+
+(mel-define-backend "x-uue")
+
;;; @ variables
;;;
(defvar uuencode-external-encoder '("uuencode" "-")
"*list of uuencode encoder program name and its arguments.")
-(defvar uuencode-external-decoder '("uudecode")
+(defvar uuencode-external-decoder '("sh" "-c" "uudecode")
"*list of uuencode decoder program name and its arguments.")
-(list "sh" "-c" (format "(cd %s; uudecode)" mime/tmp-dir))
-
-(defvar mime/tmp-dir (or (getenv "TM_TMP_DIR") "/tmp/"))
-;;; @ external encoder
+;;; @ uuencode encoder/decoder for region
;;;
-(cond ((boundp 'MULE)
- (define-program-coding-system
- nil (car uuencode-external-encoder) *noconv*)
- (define-program-coding-system
- nil (car uuencode-external-decoder) *noconv*)
- )
- ((boundp 'NEMACS)
- (define-program-kanji-code
- nil (car uuencode-external-encoder) 0)
- (define-program-kanji-code
- nil (car uuencode-external-decoder) 0)
- ))
-
-(defun uuencode-external-encode-region (beg end)
+(defun uuencode-external-encode-region (start end)
+ "Encode current region by unofficial uuencode format.
+This function uses external uuencode encoder which is specified by
+variable `uuencode-external-encoder'."
(interactive "*r")
(save-excursion
- (let ((selective-display nil) ;Disable ^M to nl translation.
- (mc-flag nil) ;Mule
- (kanji-flag nil)) ;NEmacs
+ (let ((coding-system-for-read 'binary)
+ (coding-system-for-write 'binary))
(apply (function call-process-region)
- beg end (car uuencode-external-encoder)
- t t nil (cdr uuencode-external-encoder))
- )))
+ start end (car uuencode-external-encoder)
+ t t nil
+ (cdr uuencode-external-encoder)))
+ ;; for OS/2
+ ;; regularize line break code
+ (goto-char (point-min))
+ (while (re-search-forward "\r$" nil t)
+ (replace-match ""))))
-(defun uuencode-external-decode-region (beg end)
+(defun uuencode-external-decode-region (start end)
+ "Decode current region by unofficial uuencode format.
+This function uses external uuencode decoder which is specified by
+variable `uuencode-external-decoder'."
(interactive "*r")
(save-excursion
- (let ((selective-display nil) ;Disable ^M to nl translation.
- (mc-flag nil) ;Mule
- (kanji-flag nil) ;NEmacs
- (filename (save-excursion
+ (let ((filename (save-excursion
(save-restriction
- (narrow-to-region beg end)
- (goto-char beg)
+ (narrow-to-region start end)
+ (goto-char start)
(if (re-search-forward "^begin [0-9]+ " nil t)
(if (looking-at ".+$")
(buffer-substring (match-beginning 0)
- (match-end 0)
- )
- )))))
- )
+ (match-end 0)))))))
+ (default-directory temporary-file-directory))
(if filename
- (progn
- (funcall (function call-process-region)
- beg end "sh"
- t t nil
- "-c" (format "(cd %s; %s)"
- mime/tmp-dir
- (mapconcat (function identity)
- uuencode-external-decoder
- " ")
- ))
- (setq filename (expand-file-name filename mime/tmp-dir))
- (let ((file-coding-system-for-read
- (if (boundp 'MULE) *noconv*)) ; Mule
- kanji-fileio-code) ; NEmacs
- (insert-file-contents filename)
- )
- (delete-file filename)
- ))
- )))
-
-(defalias 'uuencode-encode-region 'uuencode-external-encode-region)
-(defalias 'uuencode-decode-region 'uuencode-external-decode-region)
+ (let ((coding-system-for-read 'binary)
+ (coding-system-for-write 'binary))
+ (apply (function call-process-region)
+ start end (car uuencode-external-decoder)
+ t nil nil
+ (cdr uuencode-external-decoder))
+ (insert-file-contents filename)
+ ;; The previous line causes the buffer to be made read-only, I
+ ;; do not pretend to understand the control flow leading to this
+ ;; but suspect it has something to do with image-mode. -slb
+ ;; Use `inhibit-read-only' to avoid to force
+ ;; buffer-read-only nil. - tomo.
+ (let ((inhibit-read-only t))
+ (delete-file filename)))))))
+
+(mel-define-method-function (mime-encode-region start end (nil "x-uue"))
+ 'uuencode-external-encode-region)
+(mel-define-method-function (mime-decode-region start end (nil "x-uue"))
+ 'uuencode-external-decode-region)
+
+
+;;; @ encoder/decoder for string
+;;;
+
+(mel-define-method mime-encode-string (string (nil "x-uue"))
+ (with-temp-buffer
+ (insert string)
+ (uuencode-external-encode-region (point-min)(point-max))
+ (buffer-string)))
+
+(mel-define-method mime-decode-string (string (nil "x-uue"))
+ (with-temp-buffer
+ (insert string)
+ (uuencode-external-decode-region (point-min)(point-max))
+ (buffer-string)))
+
+
+;;; @ uuencode encoder/decoder for file
+;;;
+
+(mel-define-method mime-insert-encoded-file (filename (nil "x-uue"))
+ "Insert file encoded by unofficial uuencode format.
+This function uses external uuencode encoder which is specified by
+variable `uuencode-external-encoder'."
+ (interactive "*fInsert encoded file: ")
+ (call-process (car uuencode-external-encoder)
+ filename t nil
+ (file-name-nondirectory filename)))
+
+(mel-define-method mime-write-decoded-region (start end filename
+ (nil "x-uue"))
+ "Decode and write current region encoded by uuencode into FILENAME.
+START and END are buffer positions."
+ (interactive "*r\nFWrite decoded region to file: ")
+ (save-excursion
+ (let ((file (save-excursion
+ (save-restriction
+ (narrow-to-region start end)
+ (goto-char start)
+ (if (re-search-forward "^begin [0-9]+ " nil t)
+ (if (looking-at ".+$")
+ (buffer-substring (match-beginning 0)
+ (match-end 0)))))))
+ (default-directory temporary-file-directory))
+ (if file
+ (let ((coding-system-for-read 'binary)
+ (coding-system-for-write 'binary))
+ (apply (function call-process-region)
+ start end (car uuencode-external-decoder)
+ nil nil nil
+ (cdr uuencode-external-decoder))
+ (rename-file file filename 'overwrites))))))
;;; @ end
;;;
(provide 'mel-u)
+
+(mel-define-backend "x-uuencode" ("x-uue"))
+
+;;; mel-u.el ends here.