;; Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; modified by Shuhei KOBAYASHI <shuhei-k@jaist.ac.jp>
;; Created: 1995/6/25
;; Keywords: MIME, Base64, Quoted-Printable, uuencode, gzip64
-;; This file is part of MEL (MIME Encoding Library).
+;; 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
;;; Code:
-(require 'pccl)
+(require 'mime-def)
+(require 'poem)
+
+(defcustom mime-encoding-list
+ '("7bit" "8bit" "binary" "base64" "quoted-printable")
+ "List of Content-Transfer-Encoding. Each encoding must be string."
+ :group 'mime
+ :type '(repeat string))
+
+(defun mime-encoding-list (&optional service)
+ "Return list of Content-Transfer-Encoding.
+If SERVICE is specified, it returns available list of
+Content-Transfer-Encoding for it."
+ (if service
+ (let (dest)
+ (mapatoms (lambda (sym)
+ (or (eq sym nil)
+ (setq dest (cons (symbol-name sym) dest)))
+ )
+ (symbol-value (intern (format "%s-obarray" service))))
+ (let ((rest mel-encoding-module-alist)
+ pair)
+ (while (setq pair (car rest))
+ (let ((key (car pair)))
+ (or (member key dest)
+ (<= (length key) 1)
+ (setq dest (cons key dest))))
+ (setq rest (cdr rest)))
+ )
+ dest)
+ mime-encoding-list))
+
+(defun mime-encoding-alist (&optional service)
+ "Return table of Content-Transfer-Encoding for completion."
+ (mapcar #'list (mime-encoding-list service))
+ )
+
+(defsubst mel-use-module (name encodings)
+ (let (encoding)
+ (while (setq encoding (car encodings))
+ (set-alist 'mel-encoding-module-alist
+ encoding
+ (cons name (cdr (assoc encoding mel-encoding-module-alist))))
+ (setq encodings (cdr encodings))
+ )))
+(defsubst mel-find-function (service encoding)
+ (mel-find-function-from-obarray
+ (symbol-value (intern (format "%s-obarray" service))) encoding))
-;;; @ encoder/decoder selection framework
-;;;
-(defconst mel-stems '(dl ccl int-ext internal external)
- "List of encoder/decoder stems. First stem is most prefered.")
-
-(defmacro mel-call-next (fun formal-args)
- (let ((caller 'funcall)
- actual-args)
- (while formal-args
- (cond
- ((eq (car formal-args) '&optional) nil)
- ((eq (car formal-args) '&rest) (setq caller 'apply))
- (t (setq actual-args (cons (car formal-args) actual-args))))
- (setq formal-args (cdr formal-args)))
- `(,caller ',fun ,@(nreverse actual-args))))
-
-(put 'mel-defgeneric 'lisp-indent-function 4)
-(defmacro mel-defgeneric (prefix suffix formal-args
- &rest docstring-interactive)
- "Define a generic function named PREFIX-SUFFIX for mel.
-Arguments for the function is specified as FORMAL-ARGS as usual.
-Rest of arguments DOCSTRING-INTERACTIVE should be DOCSTRING and/or
-interactive specification placed at front of a function body.
-
-Before a generic function is called, at least one methods must be
-defined by `mel-defmethod'. If more than one methods is defined,
-preferest implementation is choosed by `mel-defpreference' and
-`mel-stems'."
- (let ((name (intern (format "%s-%s" prefix suffix)))
- (tmp (make-symbol "tmp")))
- (put name 'prefix prefix)
- (put name 'suffix suffix)
- `(progn
- (put ',name 'prefix ',prefix)
- (put ',name 'suffix ',suffix)
- (defun ,name ,formal-args
- ,@docstring-interactive
- (catch 'return
- (let ((,tmp (or (get ',name 'stems)
- (get ',prefix 'stems)
- mel-stems))
- method)
- (while ,tmp
- (when (setq method (get ',name (car ,tmp)))
- (fset ',name method)
- (throw 'return (mel-call-next ,name ,formal-args)))
- (setq ,tmp (cdr ,tmp))))
- (error ,(format "%s: no method" name)))))))
-
-(defun mel-defpreference (stems prefix &optional suffix)
- "Define a preference for a generic functions PREFIX-*
-(or PREFIX-SUFFIX if SUFFIX is non-nil) as STEMS."
- (let ((name (if suffix (intern (format "%s-%s" prefix suffix)) prefix)))
- (put name 'stems stems)))
-
-(defmacro mel-usemodule (file prefix stem &optional condition)
- "Declare that FILE defines functions PREFIX-STEM-*.
-
-If the form CONDITION is non-nil, it is evaluated for each methods
-PREFIX-STEM-*. If the value of CONDITION is nil, the method is NOT
-defined. In CONDITION, five variables `prefix', `stem', `suffix',
-`prefix-stem' and `prefix-stem-suffix' is available."
- (let ((prefix-stem (intern (format "%s-%s" prefix stem))))
- `(progn
- (put ',prefix-stem 'mel-condition ',(or condition t))
- (put ',prefix ',stem ,file))))
-
-(defmacro mel-defmethod (name stem &optional condition file)
- "Declare that NAME is implemented by STEM in FILE.
-
-If the form CONDITION is non-nil and evaluated to nil,
-the method is NOT declared. In CONDITION, five variables `prefix',
-`stem', `suffix', `prefix-stem' and `prefix-stem-suffix' is available.
-
-If FILE is nil, module declared with `mel-usemodule' is used."
- (let* ((prefix (get name 'prefix))
- (suffix (get name 'suffix))
- (prefix-stem (intern (format "%s-%s" prefix stem)))
- (prefix-stem-suffix (intern (format "%s-%s-%s" prefix stem suffix))))
- `(when (let ((prefix ',prefix)
- (suffix ',suffix)
- (stem ',stem)
- (prefix-stem ',prefix-stem)
- (prefix-stem-suffix ',prefix-stem-suffix))
- (and ,(or condition 't)
- (eval (get prefix-stem 'mel-condition))))
- (autoload ',prefix-stem-suffix ,(or file `(get ',prefix ',stem)))
- (put ',name ',stem ',prefix-stem-suffix))))
-
-
-;;; @ generic
+;;; @ setting for modules
;;;
-(mel-defgeneric base64 encode-string (string)
- "Encode STRING with base64.")
-(mel-defgeneric base64 decode-string (string)
- "Decode STRING with base64.")
-(mel-defgeneric base64 encode-region (start end)
- "Encode current region with base64."
- (interactive "r"))
-(mel-defgeneric base64 decode-region (start end)
- "Decode current region with base64."
- (interactive "r"))
-(mel-defgeneric base64 insert-encoded-file (filename)
- "Insert a file named FILENAME as base64 encoded form."
- (interactive (list (read-file-name "Insert encoded file: "))))
-(mel-defgeneric base64 write-decoded-region (start end filename)
- "Decode and write base64 encoded current region to a file named FILENAME."
- (interactive
- (list (region-beginning) (region-end)
- (read-file-name "Write decoded region to file: "))))
-(mel-defgeneric base64 encoded-length (string))
-
-(mel-defgeneric quoted-printable encode-string (string)
- "Encode STRING with quoted-printable.")
-(mel-defgeneric quoted-printable decode-string (string)
- "Decode STRING with quoted-printable.")
-(mel-defgeneric quoted-printable encode-region (start end)
- "Encode current region with quoted-printable."
- (interactive "r"))
-(mel-defgeneric quoted-printable decode-region (start end)
- "Decode current region with quoted-printable."
- (interactive "r"))
-(mel-defgeneric quoted-printable insert-encoded-file (filename)
- "Insert a file named FILENAME as quoted-printable encoded form."
- (interactive (list (read-file-name "Insert encoded file: "))))
-(mel-defgeneric quoted-printable write-decoded-region (start end filename)
- "Decode and write quoted-printable encoded current region to a file
-named FILENAME."
- (interactive
- (list (region-beginning) (region-end)
- (read-file-name "Write decoded region to file: "))))
-
-(mel-defgeneric q-encoding encode-string (string &optional mode)
- "Encode STRING with Q-encoding.
-If MODE is `text', `comment' or `phrase', the result is appropriate for
-unstructured field, comment or phrase in structured field.
-If MODE is nil, the result is appropriate for phrase.")
-(mel-defgeneric q-encoding decode-string (string)
- "Decode STRING with Q-encoding.")
-(mel-defgeneric q-encoding encoded-length (string &optional mode))
-
-(mel-defgeneric uuencode encode-region (start end)
- "Encode current region by unofficial uuencode format."
- (interactive "*r"))
-(mel-defgeneric uuencode decode-region (start end)
- "Decode current region by unofficial uuencode format."
- (interactive "*r"))
-(mel-defgeneric uuencode insert-encoded-file (filename)
- "Insert file encoded by unofficial uuencode format."
- (interactive (list (read-file-name "Insert encoded file: "))))
-(mel-defgeneric uuencode write-decoded-region (start end filename)
- "Decode and write current region encoded by uuencode into FILENAME."
- (interactive
- (list (region-beginning) (region-end)
- (read-file-name "Write decoded region to file: "))))
-
-(mel-defgeneric gzip64 encode-region (start end)
- "Encode current region by unofficial gzip64 format."
- (interactive "*r"))
-(mel-defgeneric gzip64 decode-region (start end)
- "Decode current region by unofficial gzip64 format."
- (interactive "*r"))
-(mel-defgeneric gzip64 insert-encoded-file (filename)
- "Insert file encoded by unofficial gzip64 format."
- (interactive (list (read-file-name "Insert encoded file: "))))
-(mel-defgeneric gzip64 write-decoded-region (start end filename)
- "Decode and write current region encoded by gzip64 into FILENAME."
- (interactive
- (list (region-beginning) (region-end)
- (read-file-name "Write decoded region to file: "))))
-
-
-;;; @ method
-;;;
-
-;; mel-dl
-(defvar base64-dl-module
- (and (fboundp 'dynamic-link)
- (let ((path (expand-file-name "base64.so" exec-directory)))
- (and (file-exists-p path)
- path))))
-
-(mel-usemodule "mel-dl" base64 dl base64-dl-module)
-
-(mel-defmethod base64-encode-string dl)
-(mel-defmethod base64-decode-string dl)
-(mel-defmethod base64-encode-region dl)
-(mel-defmethod base64-decode-region dl)
-
-;; mel-b
-(mel-usemodule "mel-b" base64 internal)
-(mel-usemodule "mel-b" base64 external)
-(mel-usemodule "mel-b" base64 int-ext)
-
-(mel-defmethod base64-encode-string internal)
-(mel-defmethod base64-decode-string internal)
-(mel-defmethod base64-encode-region internal)
-(mel-defmethod base64-decode-region internal)
-(mel-defmethod base64-insert-encoded-file internal)
-(mel-defmethod base64-write-decoded-region internal)
-
-(mel-defmethod base64-encode-string external)
-(mel-defmethod base64-decode-string external)
-(mel-defmethod base64-encode-region external)
-(mel-defmethod base64-decode-region external)
-(mel-defmethod base64-insert-encoded-file external)
-(mel-defmethod base64-write-decoded-region external)
-
-(mel-defmethod base64-encoded-length internal)
-
-(mel-defmethod base64-decode-string int-ext)
-(mel-defmethod base64-encode-region int-ext)
-(mel-defmethod base64-decode-region int-ext)
-(mel-defmethod base64-insert-encoded-file int-ext)
-(mel-defmethod base64-write-decoded-region int-ext)
-
-;; mel-q
-(mel-usemodule "mel-q" quoted-printable internal)
-(mel-usemodule "mel-q" quoted-printable external)
-(mel-usemodule "mel-q" quoted-printable int-ext)
-(mel-usemodule "mel-q" q-encoding internal)
-
-(mel-defmethod quoted-printable-encode-string internal)
-(mel-defmethod quoted-printable-decode-string internal)
-(mel-defmethod quoted-printable-encode-region internal)
-(mel-defmethod quoted-printable-decode-region internal)
-
-(mel-defmethod quoted-printable-encode-string external)
-(mel-defmethod quoted-printable-decode-string external)
-(mel-defmethod quoted-printable-encode-region external)
-(mel-defmethod quoted-printable-decode-region external)
-(mel-defmethod quoted-printable-insert-encoded-file external)
-(mel-defmethod quoted-printable-write-decoded-region external)
-
-(mel-defmethod quoted-printable-encode-region int-ext)
-(mel-defmethod quoted-printable-decode-region int-ext)
-
-(mel-defmethod q-encoding-encode-string internal)
-(mel-defmethod q-encoding-decode-string internal)
-(mel-defmethod q-encoding-encoded-length internal)
-
-;; mel-u
-(mel-usemodule "mel-u" uuencode external)
-
-(mel-defmethod uuencode-encode-region external)
-(mel-defmethod uuencode-decode-region external)
-(mel-defmethod uuencode-insert-encoded-file external)
-(mel-defmethod uuencode-write-decoded-region external)
-
-;; mel-g
-(mel-usemodule "mel-g" gzip64 external)
-
-(mel-defmethod gzip64-encode-region external)
-(mel-defmethod gzip64-decode-region external)
-(mel-defmethod gzip64-insert-encoded-file external)
-(mel-defmethod gzip64-write-decoded-region external)
-
-;; mel-ccl
-(mel-usemodule "mel-ccl" base64 ccl (fboundp 'make-ccl-coding-system))
-(mel-usemodule "mel-ccl" quoted-printable ccl (fboundp 'make-ccl-coding-system))
-(mel-usemodule "mel-ccl" q-encoding ccl (fboundp 'make-ccl-coding-system))
-
-(mel-defmethod base64-encode-string ccl (not (broken-p 'ccl-execute-eof-block-on-encoding-some)))
-(mel-defmethod base64-encode-region ccl (not (broken-p 'ccl-execute-eof-block-on-encoding-some)))
-(mel-defmethod base64-insert-encoded-file ccl (not (broken-p 'ccl-execute-eof-block-on-encoding-some)))
-
-(mel-defmethod quoted-printable-encode-string ccl (not (broken-p 'ccl-execute-eof-block-on-encoding-some)))
-(mel-defmethod quoted-printable-encode-region ccl (not (broken-p 'ccl-execute-eof-block-on-encoding-some)))
-(mel-defmethod quoted-printable-insert-encoded-file ccl (not (broken-p 'ccl-execute-eof-block-on-encoding-some)))
-
-(mel-defmethod base64-decode-string ccl)
-(mel-defmethod base64-decode-region ccl)
-(mel-defmethod base64-write-decoded-region ccl)
-
-(mel-defmethod quoted-printable-decode-string ccl)
-(mel-defmethod quoted-printable-decode-region ccl)
-(mel-defmethod quoted-printable-write-decoded-region ccl)
-
-(mel-defmethod q-encoding-encode-string ccl)
-(mel-defmethod q-encoding-decode-string ccl)
-
-(mel-defmethod q-encoding-encoded-length ccl (not (featurep 'xemacs)))
+(mel-define-backend "7bit")
+(mel-define-method-function (mime-encode-string string (nil "7bit"))
+ 'identity)
+(mel-define-method-function (mime-decode-string string (nil "7bit"))
+ 'identity)
+(mel-define-method mime-encode-region (start end (nil "7bit")))
+(mel-define-method mime-decode-region (start end (nil "7bit")))
+(mel-define-method-function (mime-insert-encoded-file filename (nil "7bit"))
+ 'insert-file-contents-as-binary)
+(mel-define-method-function (mime-write-decoded-region
+ start end filename (nil "7bit"))
+ 'write-region-as-binary)
+
+(mel-define-backend "8bit" ("7bit"))
+
+(mel-define-backend "binary" ("8bit"))
+
+(defvar mel-b-builtin
+ (and (fboundp 'base64-encode-string)
+ (subrp (symbol-function 'base64-encode-string))))
+
+(when mel-b-builtin
+ (mel-define-backend "base64")
+ (mel-define-method-function (mime-encode-string string (nil "base64"))
+ 'base64-encode-string)
+ (mel-define-method-function (mime-decode-string string (nil "base64"))
+ 'base64-decode-string)
+ (mel-define-method-function (mime-encode-region start end (nil "base64"))
+ 'base64-encode-region)
+ (mel-define-method-function (mime-decode-region start end (nil "base64"))
+ 'base64-decode-region)
+ (mel-define-method mime-insert-encoded-file (filename (nil "base64"))
+ "Encode contents of file FILENAME to base64, and insert the result.
+It calls external base64 encoder specified by
+`base64-external-encoder'. So you must install the program (maybe
+mmencode included in metamail or XEmacs package)."
+ (interactive (list (read-file-name "Insert encoded file: ")))
+ (insert (base64-encode-string
+ (with-temp-buffer
+ (set-buffer-multibyte nil)
+ (insert-file-contents-as-binary filename)
+ (buffer-string))))
+ (or (bolp)
+ (insert "\n"))
+ )
+
+ (mel-define-method-function (encoded-text-encode-string string (nil "B"))
+ 'base64-encode-string)
+ (mel-define-method encoded-text-decode-string (string (nil "B"))
+ (if (and (string-match B-encoded-text-regexp string)
+ (string= string (match-string 0 string)))
+ (base64-decode-string string)
+ (error "Invalid encoded-text %s" string)))
+ )
+
+(mel-use-module 'mel-b-el '("base64" "B"))
+(mel-use-module 'mel-q '("quoted-printable" "Q"))
+(mel-use-module 'mel-g '("x-gzip64"))
+(mel-use-module 'mel-u '("x-uue" "x-uuencode"))
+
+(defvar mel-b-ccl-module
+ (and (featurep 'mule)
+ (progn
+ (require 'path-util)
+ (module-installed-p 'mel-b-ccl)
+ )))
+
+(defvar mel-q-ccl-module
+ (and (featurep 'mule)
+ (progn
+ (require 'path-util)
+ (module-installed-p 'mel-q-ccl)
+ )))
+
+(if mel-b-ccl-module
+ (mel-use-module 'mel-b-ccl '("base64" "B"))
+ )
+
+(if mel-q-ccl-module
+ (mel-use-module 'mel-q-ccl '("quoted-printable" "Q"))
+ )
+
+(if base64-dl-module
+ (mel-use-module 'mel-b-dl '("base64" "B"))
+ )
;;; @ region
;;;
;;;###autoload
-(defvar mime-encoding-method-alist
- '(("base64" . base64-encode-region)
- ("quoted-printable" . quoted-printable-encode-region)
- ;; Not standard, their use is DISCOURAGED.
- ;; ("x-uue" . uuencode-encode-region)
- ;; ("x-gzip64" . gzip64-encode-region)
- ("7bit")
- ("8bit")
- ("binary")
- )
- "Alist of encoding vs. corresponding method to encode region.
-Each element looks like (STRING . FUNCTION) or (STRING . nil).
-STRING is content-transfer-encoding.
-FUNCTION is region encoder and nil means not to encode.")
-
-;;;###autoload
-(defvar mime-decoding-method-alist
- `(("base64" . base64-decode-region)
- ("quoted-printable" . quoted-printable-decode-region)
- ("x-uue" . uuencode-decode-region)
- ("x-uuencode" . uuencode-decode-region)
- ("x-gzip64" . gzip64-decode-region)
- ,@(when (fboundp 'base64-dl-decode-region)
- '(("base64-dl" . base64-dl-decode-region)))
- ,@(when (fboundp 'base64-ccl-decode-region)
- '(("base64-ccl" . base64-ccl-decode-region)))
- ,@(when (fboundp 'base64-internal-decode-region)
- '(("base64-internal" . base64-internal-decode-region)))
- ,@(when (fboundp 'base64-external-decode-region)
- '(("base64-external" . base64-external-decode-region)))
- ,@(when (fboundp 'base64-int-ext-decode-region)
- '(("base64-int-ext" . base64-int-ext-decode-region)))
- ,@(when (fboundp 'quoted-printable-internal-decode-region)
- '(("quoted-printable-internal"
- . quoted-printable-internal-decode-region)))
- ,@(when (fboundp 'quoted-printable-ccl-decode-region)
- '(("quoted-printable-ccl"
- . quoted-printable-ccl-decode-region)))
- ,@(when (fboundp 'quoted-printable-external-decode-region)
- '(("quoted-printable-external"
- . quoted-printable-external-decode-region)))
- ,@(when (fboundp 'quoted-printable-int-ext-decode-region)
- '(("quoted-printable-int-ext"
- . quoted-printable-int-ext-decode-region)))
- )
- "Alist of encoding vs. corresponding method to decode region.
-Each element looks like (STRING . FUNCTION).
-STRING is content-transfer-encoding.
-FUNCTION is region decoder.")
-
-;;;###autoload
(defun mime-encode-region (start end encoding)
"Encode region START to END of current buffer using ENCODING.
-ENCODING must be string. If ENCODING is found in
-`mime-encoding-method-alist' as its key, this function encodes the
-region by its value."
+ENCODING must be string."
(interactive
(list (region-beginning) (region-end)
(completing-read "encoding: "
- mime-encoding-method-alist
- nil t "base64"))
- )
- (let ((f (cdr (assoc encoding mime-encoding-method-alist))))
- (if f
- (funcall f start end)
- )))
+ (mime-encoding-alist)
+ nil t "base64")))
+ (funcall (mel-find-function 'mime-encode-region encoding) start end)
+ )
+
;;;###autoload
(defun mime-decode-region (start end encoding)
"Decode region START to END of current buffer using ENCODING.
-ENCODING must be string. If ENCODING is found in
-`mime-decoding-method-alist' as its key, this function decodes the
-region by its value."
+ENCODING must be string."
(interactive
(list (region-beginning) (region-end)
(completing-read "encoding: "
- mime-decoding-method-alist
- nil t "base64"))
- )
- (let ((f (cdr (assoc encoding mime-decoding-method-alist))))
- (if f
- (funcall f start end)
- )))
+ (mime-encoding-alist 'mime-decode-region)
+ nil t "base64")))
+ (funcall (mel-find-function 'mime-decode-region encoding)
+ start end))
;;; @ string
;;;
;;;###autoload
-(defvar mime-string-decoding-method-alist
- '(("base64" . base64-decode-string)
- ("quoted-printable" . quoted-printable-decode-string)
- ("7bit" . identity)
- ("8bit" . identity)
- ("binary" . identity)
- )
- "Alist of encoding vs. corresponding method to decode string.
-Each element looks like (STRING . FUNCTION).
-STRING is content-transfer-encoding.
-FUNCTION is string decoder.")
-
-;;;###autoload
(defun mime-decode-string (string encoding)
"Decode STRING using ENCODING.
ENCODING must be string. If ENCODING is found in
`mime-string-decoding-method-alist' as its key, this function decodes
the STRING by its value."
- (let ((f (cdr (assoc encoding mime-string-decoding-method-alist))))
- (if f
- (funcall f string)
- (with-temp-buffer
- (insert string)
- (mime-decode-region (point-min)(point-max) encoding)
- (buffer-string)
- ))))
+ (funcall (mel-find-function 'mime-decode-string encoding)
+ string))
+
+
+(mel-define-service encoded-text-encode-string (string encoding)
+ "Encode STRING as encoded-text using ENCODING.
+ENCODING must be string.")
+
+(mel-define-service encoded-text-decode-string (string encoding)
+ "Decode STRING as encoded-text using ENCODING.
+ENCODING must be string.")
+
+(defun base64-encoded-length (string)
+ (* (/ (+ (length string) 2) 3) 4))
+
+(defsubst Q-encoding-printable-char-p (chr mode)
+ (and (not (memq chr '(?= ?? ?_)))
+ (<= ?\ chr)(<= chr ?~)
+ (cond ((eq mode 'text) t)
+ ((eq mode 'comment)
+ (not (memq chr '(?\( ?\) ?\\)))
+ )
+ (t
+ (string-match "[A-Za-z0-9!*+/=_---]" (char-to-string chr))
+ ))))
+
+(defun Q-encoded-text-length (string &optional mode)
+ (let ((l 0)(i 0)(len (length string)) chr)
+ (while (< i len)
+ (setq chr (elt string i))
+ (if (Q-encoding-printable-char-p chr mode)
+ (setq l (+ l 1))
+ (setq l (+ l 3))
+ )
+ (setq i (+ i 1)) )
+ l))
;;; @ file
;;;
;;;###autoload
-(defvar mime-file-encoding-method-alist
- '(("base64" . base64-insert-encoded-file)
- ("quoted-printable" . quoted-printable-insert-encoded-file)
- ;; Not standard, their use is DISCOURAGED.
- ;; ("x-uue" . uuencode-insert-encoded-file)
- ;; ("x-gzip64" . gzip64-insert-encoded-file)
- ("7bit" . insert-file-contents-as-binary)
- ("8bit" . insert-file-contents-as-binary)
- ("binary" . insert-file-contents-as-binary)
- )
- "Alist of encoding vs. corresponding method to insert encoded file.
-Each element looks like (STRING . FUNCTION).
-STRING is content-transfer-encoding.
-FUNCTION is function to insert encoded file.")
-
-;;;###autoload
-(defvar mime-file-decoding-method-alist
- `(("base64" . base64-write-decoded-region)
- ("quoted-printable" . quoted-printable-write-decoded-region)
- ("x-uue" . uuencode-write-decoded-region)
- ("x-gzip64" . gzip64-write-decoded-region)
- ("7bit" . write-region-as-binary)
- ("8bit" . write-region-as-binary)
- ("binary" . write-region-as-binary)
- ,@(when (fboundp 'base64-internal-write-decoded-region)
- '(("base64-internal" . base64-internal-write-decoded-region)))
- ,@(when (fboundp 'base64-external-write-decoded-region)
- '(("base64-external" . base64-external-write-decoded-region)))
- ,@(when (fboundp 'base64-int-ext-write-decoded-region)
- '(("base64-int-ext" . base64-int-ext-write-decoded-region)))
- ,@(when (fboundp 'base64-ccl-write-decoded-region)
- '(("base64-ccl" . base64-ccl-write-decoded-region)))
- ,@(when (fboundp 'quoted-printable-external-write-decoded-region)
- '(("quoted-printable-external"
- . quoted-printable-external-write-decoded-region)))
- ,@(when (fboundp 'quoted-printable-ccl-write-decoded-region)
- '(("quoted-printable-ccl"
- . quoted-printable-ccl-write-decoded-region)))
- )
- "Alist of encoding vs. corresponding method to write decoded region to file.
-Each element looks like (STRING . FUNCTION).
-STRING is content-transfer-encoding.
-FUNCTION is function to write decoded region to file.")
-
-;;;###autoload
(defun mime-insert-encoded-file (filename encoding)
"Insert file FILENAME encoded by ENCODING format."
(interactive
(list (read-file-name "Insert encoded file: ")
(completing-read "encoding: "
- mime-encoding-method-alist
- nil t "base64"))
- )
- (let ((f (cdr (assoc encoding mime-file-encoding-method-alist))))
- (if f
- (funcall f filename)
- )))
+ (mime-encoding-alist)
+ nil t "base64")))
+ (funcall (mel-find-function 'mime-insert-encoded-file encoding)
+ filename))
+
;;;###autoload
(defun mime-write-decoded-region (start end filename encoding)
(list (region-beginning) (region-end)
(read-file-name "Write decoded region to file: ")
(completing-read "encoding: "
- mime-file-decoding-method-alist
+ (mime-encoding-alist 'mime-write-decoded-region)
nil t "base64")))
- (let ((f (cdr (assoc encoding mime-file-decoding-method-alist))))
- (if f
- (funcall f start end filename)
- )))
+ (funcall (mel-find-function 'mime-write-decoded-region encoding)
+ start end filename))
;;; @ end