From: morioka <morioka>
Date: Sat, 20 Jun 1998 20:58:32 +0000 (+0000)
Subject: (mime-string-decoding-method-alist): New variable.
X-Git-Tag: flim-1_5_0~16
X-Git-Url: http://git.chise.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dffc86833d4794229d30c034041869f17f1a88fe;p=elisp%2Fflim.git

(mime-string-decoding-method-alist): New variable.
(mime-decode-string): New function.
---

diff --git a/mel.el b/mel.el
index 01efaf2..bb8150d 100644
--- a/mel.el
+++ b/mel.el
@@ -149,6 +149,19 @@ STRING is content-transfer-encoding.
 FUNCTION is region decoder.")
 
 ;;;###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-encode-region (start end encoding)
   "Encode region START to END of current buffer using ENCODING.
 ENCODING must be string.  If ENCODING is found in
@@ -182,6 +195,21 @@ region by its value."
 	(funcall f start end)
       )))
 
+;;;###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)
+	))))
+
 
 ;;; @ file
 ;;;