;;; 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 7.65 1997/11/04 08:01:11 morioka Exp $
+;; Katsumi Yamaoka <yamaoka@jpl.org>
;; Keywords: emulation, compatibility, Mule
;; This file is part of emu.
;;;
(cond (running-emacs-19
- (require 'emu-19)
+ (require 'emu-e19)
;; Suggested by SASAKI Osamu <osamu@shuugr.bekkoame.or.jp>
;; (cf. [os2-emacs-ja:78])
(defalias 'charset-columns 'char-width)
(defalias 'charset-direction 'char-direction)
+(defun charset-chars (charset)
+ "Return the number of characters per dimension of CHARSET."
+ (if (= (logand (nth 2 (character-set charset)) 1) 1)
+ 96
+ 94))
+
;;; @ coding system
;;;
;;; @ 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-for-read *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-file-contents-as-raw-text (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.
+Like `insert-file-contents-as-binary', but it converts line-break
+code."
+ (save-excursion
+ (save-restriction
+ (narrow-to-region (point)(point))
+ (insert-file-contents-as-binary filename visit beg end replace)
+ (goto-char (point-min))
+ (while (re-search-forward "\r$" nil t)
+ (replace-match "")
+ ))))
+
+(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
;;;
(decode-coding-string string cs)
string)))
+(defun write-region-as-mime-charset (charset start end filename)
+ "Like `write-region', q.v., but code-convert by MIME CHARSET."
+ (let ((file-coding-system
+ (or (mime-charset-to-coding-system charset)
+ *noconv*)))
+ (write-region start end filename append visit)
+ ))
+
;;; @@ to coding-system
;;;
(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) . 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-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-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)
+ lc-cns5 lc-cns6 lc-cns7) . iso-2022-int-1)
))
dest)
(while alist
(catch 'not-found
(let ((pair (car alist)))
(setq dest
- (cons (mapcar (function
- (lambda (cs)
- (if (boundp cs)
- (symbol-value cs)
- (throw 'not-found nil)
- )))
- (car pair))
- (cdr pair)))))
- (setq alist (cdr alist))))
- )
+ (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))
(defvar default-mime-charset 'x-ctext
"Default value of MIME-charset.
(cons lc-ascii (find-charset-region start end))))
+;;; @ buffer representation
+;;;
+
+(defsubst-maybe set-buffer-multibyte (flag)
+ "Set the multibyte flag of the current buffer to FLAG.
+If FLAG is t, this makes the buffer a multibyte buffer.
+If FLAG is nil, this makes the buffer a single-byte buffer.
+The buffer contents remain unchanged as a sequence of bytes
+but the contents viewed as characters do change.
+\[Emacs 20.3 emulating function]"
+ (setq mc-flag flag)
+ )
+
+
;;; @ character
;;;
(defalias 'char-charset 'char-leading-char)
-(defalias 'char-length 'char-bytes)
+(defun split-char (character)
+ "Return list of charset and one or two position-codes of CHARACTER."
+ (let ((p (1- (char-bytes character)))
+ dest)
+ (while (>= p 1)
+ (setq dest (cons (- (char-component character p) 128) dest)
+ p (1- p))
+ )
+ (cons (char-charset character) dest)
+ ))
+
+(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
;;;
)
+(defalias 'looking-at-as-unibyte 'looking-at)
+
;;; @ regulation
;;;
projects / elisp / apel.git / blobdiff