;;; emu-mule.el --- emu module for Mule 1.* and Mule 2.*
-;; Copyright (C) 1995,1996,1997 MORIOKA Tomohiko
+;; Copyright (C) 1995,1996,1997,1998 MORIOKA Tomohiko
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Version: $Id: emu-mule.el,v 7.62 1997/04/05 16:18:10 morioka Exp $
+;; Katsumi Yamaoka <yamaoka@jpl.org>
;; Keywords: emulation, compatibility, Mule
;; This file is part of emu.
;;; @ character set
;;;
+(defalias 'make-char 'make-character)
+
(defalias 'find-non-ascii-charset-string 'find-charset-string)
(defalias 'find-non-ascii-charset-region 'find-charset-region)
(defun encode-coding-region (start end coding-system)
"Encode the text between START and END to CODING-SYSTEM.
-\[emu-mule.el; EMACS 20 emulating function]"
+\[EMACS 20 emulating function]"
(code-convert-region start end *internal* coding-system)
)
+(defun decode-coding-region (start end coding-system)
+ "Decode the text between START and END which is encoded in CODING-SYSTEM.
+\[EMACS 20 emulating function]"
+ (code-convert-region start end coding-system *internal*)
+ )
+
+(defun encode-coding-string (str coding-system)
+ "Encode the STRING to CODING-SYSTEM.
+\[EMACS 20 emulating function]"
+ (code-convert-string str *internal* coding-system)
+ )
+
(defun decode-coding-string (str coding-system)
"Decode the string STR which is encoded in CODING-SYSTEM.
-\[emu-mule.el]"
+\[EMACS 20 emulating function]"
(let ((len (length str))
ret)
(while (and
;;; @ binary access
;;;
-(defun insert-binary-file-contents-literally
- (filename &optional visit beg end replace)
+(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 (mc-flag
+ (file-coding-system *noconv*))
+ (insert-file-contents filename visit beg end replace)
+ ))
+
+(defalias 'insert-binary-file-contents 'insert-file-contents-as-binary)
+(make-obsolete 'insert-binary-file-contents 'insert-file-contents-as-binary)
+
+(defun insert-binary-file-contents-literally (filename
+ &optional visit beg end replace)
"Like `insert-file-contents-literally', q.v., but don't code conversion.
A buffer may be modified in several ways after reading into the buffer due
to advanced Emacs features, such as file-name-handlers, format decoding,
find-file-hooks, etc.
This function ensures that none of these modifications will take place."
(let (mc-flag
- (file-coding-system *noconv*)
- )
+ (file-coding-system *noconv*))
(insert-file-contents-literally filename visit beg end replace)
))
+(if running-emacs-19_29-or-later
+ ;; for MULE 2.3 based on Emacs 19.34.
+ (defun write-region-as-binary (start end filename
+ &optional append visit lockname)
+ "Like `write-region', q.v., but don't code conversion."
+ (let (mc-flag
+ (file-coding-system *noconv*))
+ (write-region start end filename append visit lockname)
+ ))
+ ;; for MULE 2.3 based on Emacs 19.28.
+ (defun write-region-as-binary (start end filename
+ &optional append visit lockname)
+ "Like `write-region', q.v., but don't code conversion."
+ (let (mc-flag
+ (file-coding-system *noconv*))
+ (write-region start end filename append visit)
+ ))
+ )
+
;;; @ MIME charset
;;;
-(defvar charsets-mime-charset-alist
- (list
- (cons (list lc-ascii) 'us-ascii)
- (cons (list lc-ascii lc-ltn1) 'iso-8859-1)
- (cons (list lc-ascii lc-ltn2) 'iso-8859-2)
- (cons (list lc-ascii lc-ltn3) 'iso-8859-3)
- (cons (list lc-ascii lc-ltn4) 'iso-8859-4)
-;;;(cons (list lc-ascii lc-crl) 'iso-8859-5)
- (cons (list lc-ascii lc-crl) 'koi8-r)
- (cons (list lc-ascii lc-arb) 'iso-8859-6)
- (cons (list lc-ascii lc-grk) 'iso-8859-7)
- (cons (list lc-ascii lc-hbw) 'iso-8859-8)
- (cons (list lc-ascii lc-ltn5) 'iso-8859-9)
- (cons (list lc-ascii lc-roman lc-jpold lc-jp) 'iso-2022-jp)
- (cons (list lc-ascii lc-kr) 'euc-kr)
- (cons (list lc-ascii lc-cn) 'gb2312)
- (cons (list lc-ascii lc-big5-1 lc-big5-2) 'big5)
- (cons (list lc-ascii lc-roman lc-ltn1 lc-grk
- lc-jpold lc-cn lc-jp lc-kr lc-jp2) 'iso-2022-jp-2)
- (cons (list lc-ascii lc-roman lc-ltn1 lc-grk
- lc-jpold lc-cn lc-jp lc-kr lc-jp2
- lc-cns1 lc-cns2) 'iso-2022-int-1)
- (cons (list lc-ascii lc-roman
- lc-ltn1 lc-ltn2 lc-crl lc-grk
- lc-jpold lc-cn lc-jp lc-kr lc-jp2
- lc-cns1 lc-cns2 lc-cns3 lc-cns4
- lc-cns5 lc-cns6 lc-cns7) 'iso-2022-int-1)
- ))
-
-(defvar default-mime-charset 'x-ctext)
+(defun encode-mime-charset-region (start end charset)
+ "Encode the text between START and END as MIME CHARSET."
+ (let ((cs (mime-charset-to-coding-system charset)))
+ (if cs
+ (code-convert start end *internal* cs)
+ )))
+
+(defun decode-mime-charset-region (start end charset)
+ "Decode the text between START and END as MIME CHARSET."
+ (let ((cs (mime-charset-to-coding-system charset)))
+ (if cs
+ (code-convert start end cs *internal*)
+ )))
+
+(defun encode-mime-charset-string (string charset)
+ "Encode the STRING as MIME CHARSET."
+ (let ((cs (mime-charset-to-coding-system charset)))
+ (if cs
+ (code-convert-string string *internal* cs)
+ string)))
+
+(defun decode-mime-charset-string (string charset)
+ "Decode the STRING which is encoded in MIME CHARSET."
+ (let ((cs (mime-charset-to-coding-system charset)))
+ (if cs
+ (decode-coding-string string cs)
+ string)))
+
+
+;;; @@ to coding-system
+;;;
(defvar mime-charset-coding-system-alist
'((iso-8859-1 . *ctext*)
(intern (concat (symbol-name cs) (symbol-name lbt)))
)))
-(defun detect-mime-charset-region (start end)
- "Return MIME charset for region between START and END.
-\[emu-mule.el]"
- (charsets-to-mime-charset
- (cons lc-ascii (find-charset-region start end))))
-(defun encode-mime-charset-region (start end charset)
- "Encode the text between START and END as MIME CHARSET.
-\[emu-mule.el]"
- (let ((cs (mime-charset-to-coding-system charset)))
- (if cs
- (code-convert start end *internal* cs)
- )))
+;;; @@ detection
+;;;
-(defun decode-mime-charset-region (start end charset)
- "Decode the text between START and END as MIME CHARSET.
-\[emu-mule.el]"
- (let ((cs (mime-charset-to-coding-system charset)))
- (if cs
- (code-convert start end cs *internal*)
- )))
+(defvar charsets-mime-charset-alist
+ (let ((alist
+ '(((lc-ascii) . us-ascii)
+ ((lc-ascii lc-ltn1) . iso-8859-1)
+ ((lc-ascii lc-ltn2) . iso-8859-2)
+ ((lc-ascii lc-ltn3) . iso-8859-3)
+ ((lc-ascii lc-ltn4) . iso-8859-4)
+;;; ((lc-ascii lc-crl) . iso-8859-5)
+ ((lc-ascii lc-crl) . koi8-r)
+ ((lc-ascii lc-arb) . iso-8859-6)
+ ((lc-ascii lc-grk) . iso-8859-7)
+ ((lc-ascii lc-hbw) . iso-8859-8)
+ ((lc-ascii lc-ltn5) . iso-8859-9)
+ ((lc-ascii lc-roman lc-jpold lc-jp) . iso-2022-jp)
+ ((lc-ascii lc-kr) . euc-kr)
+ ((lc-ascii lc-cn) . gb2312)
+ ((lc-ascii lc-big5-1 lc-big5-2) . big5)
+ ((lc-ascii lc-roman lc-ltn1 lc-grk
+ lc-jpold lc-cn lc-jp lc-kr
+ lc-jp2) . iso-2022-jp-2)
+ ((lc-ascii lc-roman lc-ltn1 lc-grk
+ lc-jpold lc-cn lc-jp lc-kr lc-jp2
+ lc-cns1 lc-cns2) . iso-2022-int-1)
+ ((lc-ascii lc-roman
+ lc-ltn1 lc-ltn2 lc-crl lc-grk
+ lc-jpold lc-cn lc-jp lc-kr lc-jp2
+ lc-cns1 lc-cns2 lc-cns3 lc-cns4
+ lc-cns5 lc-cns6 lc-cns7) . iso-2022-int-1)
+ ))
+ dest)
+ (while alist
+ (catch 'not-found
+ (let ((pair (car alist)))
+ (setq dest
+ (append dest
+ (list
+ (cons (mapcar (function
+ (lambda (cs)
+ (if (boundp cs)
+ (symbol-value cs)
+ (throw 'not-found nil)
+ )))
+ (car pair))
+ (cdr pair)))))))
+ (setq alist (cdr alist)))
+ dest))
-(defun encode-mime-charset-string (string charset)
- "Encode the STRING as MIME CHARSET. [emu-mule.el]"
- (let ((cs (mime-charset-to-coding-system charset)))
- (if cs
- (code-convert-string string *internal* cs)
- string)))
+(defvar default-mime-charset 'x-ctext
+ "Default value of MIME-charset.
+It is used when MIME-charset is not specified.
+It must be symbol.")
-(defun decode-mime-charset-string (string charset)
- "Decode the STRING which is encoded in MIME CHARSET. [emu-mule.el]"
- (let ((cs (mime-charset-to-coding-system charset)))
- (if cs
- (decode-coding-string string cs)
- string)))
+(defun detect-mime-charset-region (start end)
+ "Return MIME charset for region between START and END."
+ (charsets-to-mime-charset
+ (cons lc-ascii (find-charset-region start end))))
;;; @ character
(defalias 'char-charset 'char-leading-char)
-(defalias 'char-length 'char-bytes)
+(defmacro char-next-index (char index)
+ "Return index of character succeeding CHAR whose index is INDEX."
+ (` (+ index (char-bytes char))))
+
+;;; @@ obsoleted aliases
+;;;
+;;; You should not use them.
-(defalias 'char-columns 'char-width)
+(defalias 'char-length 'char-bytes)
+;;(defalias 'char-columns 'char-width)
;;; @ string