update.

[elisp/apel.git] / emu-e20.el

diff --git a/emu-e20.el b/emu-e20.el
index 6b97ee2..5eaafcf 100644 (file)
--- a/emu-e20.el
+++ b/emu-e20.el
@@ -1,9 +1,8 @@
-;;; emu-e20.el --- emu API implementation for Emacs/mule (19.34.91-delta)
+;;; emu-e20.el --- emu API implementation for Emacs 20.1 and 20.2
 
-;; Copyright (C) 1996,1997 Free Software Foundation, Inc.
+;; Copyright (C) 1996,1997,1998 Free Software Foundation, Inc.
 
 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Version: $Id: emu-e20.el,v 7.24 1997/09/07 02:39:24 morioka Exp $
 ;; Keywords: emulation, compatibility, Mule
 
 ;; This file is part of emu.
@@ -25,7 +24,7 @@
 
 ;;; Commentary:
 
-;;    This module requires Emacs 20.0.90 or later.
+;;    This module requires Emacs 20.1 and 20.2.
 
 ;;; Code:
 
@@ -73,9 +72,67 @@ in the region between START and END."
 (defalias 'set-process-input-coding-system 'set-process-coding-system)
 
 
+;;; @ binary access
+;;;
+
+(defun insert-file-contents-as-binary (filename
+                                      &optional visit beg end replace)
+  "Like `insert-file-contents', q.v., but don't code and format conversion.
+Like `insert-file-contents-literary', but it allows find-file-hooks,
+automatic uncompression, etc.
+
+Namely this function ensures that only format decoding and character
+code conversion will not take place."
+  (let ((flag enable-multibyte-characters)
+       (coding-system-for-read 'binary)
+       format-alist)
+    (insert-file-contents filename visit beg end replace)
+    (setq enable-multibyte-characters flag)
+    ))
+
+(defalias 'insert-binary-file-contents 'insert-file-contents-as-binary)
+(make-obsolete 'insert-binary-file-contents 'insert-file-contents-as-binary)
+
+(defalias 'insert-binary-file-contents-literally
+  'insert-file-contents-literally)
+
+
 ;;; @ MIME charset
 ;;;
 
+(defsubst encode-mime-charset-region (start end charset)
+  "Encode the text between START and END as MIME CHARSET."
+  (let (cs)
+    (if (and enable-multibyte-characters
+            (setq cs (mime-charset-to-coding-system charset)))
+       (encode-coding-region start end cs)
+      )))
+
+(defsubst decode-mime-charset-region (start end charset)
+  "Decode the text between START and END as MIME CHARSET."
+  (let (cs)
+    (if (and enable-multibyte-characters
+            (setq cs (mime-charset-to-coding-system charset)))
+       (decode-coding-region start end cs)
+      )))
+
+(defsubst encode-mime-charset-string (string charset)
+  "Encode the STRING as MIME CHARSET."
+  (let (cs)
+    (if (and enable-multibyte-characters
+            (setq cs (mime-charset-to-coding-system charset)))
+       (encode-coding-string string cs)
+      string)))
+
+(defsubst decode-mime-charset-string (string charset)
+  "Decode the STRING as MIME CHARSET."
+  (let (cs)
+    (if (and enable-multibyte-characters
+            (setq cs (mime-charset-to-coding-system charset)))
+       (decode-coding-string string cs)
+      string)))
+
+
 (defvar charsets-mime-charset-alist
   '(((ascii)                                           . us-ascii)
     ((ascii latin-iso8859-1)                           . iso-8859-1)