-;;; emu-mule.el --- Mule 2.* emulation module for Mule
+;;; emu-mule.el --- emu module for Mule 1.* and Mule 2.*
-;; Copyright (C) 1995,1996 Free Software Foundation, Inc.
+;; Copyright (C) 1995,1996,1997,1998 MORIOKA Tomohiko
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Version:
-;; $Id: emu-mule.el,v 7.52 1996/09/18 08:32:56 morioka Exp $
+;; Katsumi Yamaoka <yamaoka@jpl.org>
;; Keywords: emulation, compatibility, Mule
-;; This file is part of tl (Tiny Library).
+;; This file is part of emu.
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with This program; see the file COPYING. If not, write to
-;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Code:
;;;
(cond (running-emacs-19
- (require 'emu-19)
+ (require 'emu-e19)
;; Suggested by SASAKI Osamu <osamu@shuugr.bekkoame.or.jp>
;; (cf. [os2-emacs-ja:78])
)
(running-emacs-18
(require 'emu-18)
- (defun tl:make-overlay (beg end &optional buffer type))
- (defun tl:overlay-put (overlay prop value))
+ (defun make-overlay (beg end &optional buffer type))
+ (defun overlay-put (overlay prop value))
))
;;; @ 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)
+
(defalias 'charset-bytes 'char-bytes)
(defalias 'charset-description 'char-description)
(defalias 'charset-registry 'char-registry)
(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
;;;
(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
(concat ret (substring str len))
))
+(defalias 'detect-coding-region 'code-detect-region)
+
+(defalias 'set-buffer-file-coding-system 'set-file-coding-system)
+
(defmacro as-binary-process (&rest body)
(` (let (selective-display ; Disable ^M to nl translation.
;; Mule
(,@ body)
)))
+(defmacro as-binary-output-file (&rest body)
+ (` (let (mc-flag
+ (file-coding-system *noconv*)
+ )
+ (,@ body)
+ )))
+
(defalias 'set-process-input-coding-system 'set-process-coding-system)
-;;; @ MIME charset
+;;; @ binary access
;;;
-(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 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)
+ ))
-(defvar mime-charset-coding-system-alist
- '((iso-8859-1 . *ctext*)
- (x-ctext . *ctext*)
- (gb2312 . *euc-china*)
- (koi8-r . *koi8*)
- (iso-2022-jp-2 . *iso-2022-ss2-7*)
- (x-iso-2022-jp-2 . *iso-2022-ss2-7*)
- (shift_jis . *sjis*)
- (x-shiftjis . *sjis*)
+(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*))
+ (insert-file-contents-literally filename visit beg end replace)
))
-(defun mime-charset-to-coding-system (charset)
- (if (stringp charset)
- (setq charset (intern (downcase charset)))
- )
- (or (cdr (assq charset mime-charset-coding-system-alist))
- (let ((cs (intern (concat "*" (symbol-name charset) "*"))))
- (and (coding-system-p cs) cs)
- )))
+(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)
+ ))
+ )
-(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 write-region-as-raw-text-CRLF (start end filename
+ &optional append visit lockname)
+ "Like `write-region', q.v., but don't code conversion."
+ (let ((the-buf (current-buffer)))
+ (with-temp-buffer
+ (insert-buffer-substring the-buf start end)
+ (goto-char (point-min))
+ (while (re-search-forward "\\(\\=\\|[^\r]\\)\n" nil t)
+ (replace-match "\\1\r\n")
+ )
+ (write-region-as-binary (point-min)(point-max)
+ filename append visit lockname)
+ )))
+
+
+;;; @ MIME charset
+;;;
(defun encode-mime-charset-region (start end charset)
- "Encode the text between START and END as MIME CHARSET.
-\[emu-mule.el]"
+ "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.
-\[emu-mule.el]"
- (let ((cs (mime-charset-to-coding-system charset)))
+(defun decode-mime-charset-region (start end charset &optional lbt)
+ "Decode the text between START and END as MIME CHARSET."
+ (let ((cs (mime-charset-to-coding-system charset lbt)))
(if cs
(code-convert start end cs *internal*)
)))
(defun encode-mime-charset-string (string charset)
- "Encode the STRING as MIME CHARSET. [emu-mule.el]"
+ "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. [emu-mule.el]"
- (let ((cs (mime-charset-to-coding-system charset)))
+(defun decode-mime-charset-string (string charset &optional lbt)
+ "Decode the STRING which is encoded in MIME CHARSET."
+ (let ((cs (mime-charset-to-coding-system charset lbt)))
(if cs
(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 mime-charset-coding-system-alist
+ '((iso-8859-1 . *ctext*)
+ (x-ctext . *ctext*)
+ (gb2312 . *euc-china*)
+ (koi8-r . *koi8*)
+ (iso-2022-jp-2 . *iso-2022-ss2-7*)
+ (x-iso-2022-jp-2 . *iso-2022-ss2-7*)
+ (shift_jis . *sjis*)
+ (x-shiftjis . *sjis*)
+ ))
+
+(defun mime-charset-to-coding-system (charset &optional lbt)
+ (if (stringp charset)
+ (setq charset (intern (downcase charset)))
+ )
+ (let ((cs
+ (or (cdr (assq charset mime-charset-coding-system-alist))
+ (let ((cs (intern (concat "*" (symbol-name charset) "*"))))
+ (and (coding-system-p cs) cs)
+ ))))
+ (if (or (null lbt)
+ (null cs))
+ cs
+ (intern (format "%s%s" cs (cond ((eq lbt 'CRLF) 'dos)
+ ((eq lbt 'LF) 'unix)
+ ((eq lbt 'CR) 'mac)
+ (t lbt))))
+ )))
+
+
+;;; @@ detection
+;;;
+
+(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))
+
+(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 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))))
+
+
+;;; @ 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)
+ ))
-(defalias 'char-columns 'char-width)
+(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-length 'char-bytes)
+;;(defalias 'char-columns 'char-width)
;;; @ string
;;;
)
+(defalias 'looking-at-as-unibyte 'looking-at)
+
;;; @ regulation
;;;