-;;;
-;;; emu-mule.el --- Mule 2.* emulation module for Mule
-;;;
-;;; Copyright (C) 1995 Free Software Foundation, Inc.
-;;; Copyright (C) 1994 .. 1996 MORIOKA Tomohiko
-;;;
-;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;;; Version:
-;;; $Id: emu-mule.el,v 7.22 1996/06/10 07:32:52 morioka Exp $
-;;; Keywords: emulation, compatibility, Mule
-;;;
-;;; This file is part of tl (Tiny Library).
-;;;
-;;; This program is free software; you can redistribute it and/or
-;;; modify it under the terms of the GNU General Public License as
-;;; published by the Free Software Foundation; either version 2, or
-;;; (at your option) any later version.
-;;;
-;;; This program is distributed in the hope that it will be useful,
-;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-;;; General Public License for more details.
-;;;
-;;; You should have received a copy of the GNU General Public License
-;;; along with This program. If not, write to the Free Software
-;;; Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-;;;
+;;; emu-mule.el --- emu module for Mule 1.* and Mule 2.*
+
+;; Copyright (C) 1995,1996,1997,1998 MORIOKA Tomohiko
+
+;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Katsumi Yamaoka <yamaoka@jpl.org>
+;; Keywords: emulation, compatibility, Mule
+
+;; 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
+;; published by the Free Software Foundation; either version 2, or (at
+;; your option) any later version.
+
+;; This program is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;; General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; 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:
;;; @ version specific features
)
(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
;;;
-;; 94 character set
-(defconst charset-ascii lc-ascii "ASCII")
-(defconst charset-jisx0201-kana lc-kana "JIS X0201 Katakana")
-(defconst charset-jisx0201-latin lc-roman "JIS X0201 Latin")
-
-;; 96 character set
-(defconst charset-latin-1 lc-ltn1 "ISO-8859-1 (Latin-1)")
-(defconst charset-latin-2 lc-ltn2 "ISO-8859-2 (Latin-2)")
-(defconst charset-latin-3 lc-ltn3 "ISO-8859-3 (Latin-3)")
-(defconst charset-latin-4 lc-ltn4 "ISO-8859-4 (Latin-4)")
-(defconst charset-cyrillic lc-crl "ISO-8859-5 (Cyrillic)")
-(defconst charset-arabic lc-arb "ISO-8859-6 (Arabic)")
-(defconst charset-greek lc-grk "ISO-8859-7 (Greek)")
-(defconst charset-hebrew lc-hbw "ISO-8859-8 (Hebrew)")
-(defconst charset-latin-5 lc-ltn5 "ISO-8859-9 (Latin-5)")
-
-;; 94x94 character set
-(defconst charset-jisx0208-1978 lc-jpold "JIS X0208-1978")
-(defconst charset-gb2312 lc-cn "GB 2312-1980")
-(defconst charset-jisx0208 lc-jp "JIS X0208-1983")
-(defconst charset-ksc5601 lc-kr "KS C5601-1987")
-(defconst charset-jisx0212 lc-jp2 "JIS X0212-1990")
-(defconst charset-cns11643-1 lc-cns1 "CNS 11643-1986 plane 1")
-(defconst charset-cns11643-2 lc-cns2 "CNS 11643-1986 plane 2")
-(defconst charset-cns11643-3 lc-cns3 "CNS 11643-1986 plane 3")
-(defconst charset-cns11643-4 lc-cns4 "CNS 11643-1986 plane 4")
-(defconst charset-cns11643-5 lc-cns5 "CNS 11643-1986 plane 5")
-(defconst charset-cns11643-6 lc-cns6 "CNS 11643-1986 plane 6")
-(defconst charset-cns11643-7 lc-cns7 "CNS 11643-1986 plane 7")
-
-;; Big 5
-(defconst charset-big5-1 lc-big5-1 "Big5 Level 1")
-(defconst charset-big5-2 lc-big5-2 "Big5 Level 2")
-
-(defalias 'charset-description 'char-description)
-(defalias 'charset-registry 'char-registry)
-(defalias 'charset-columns 'char-width)
-(defalias 'charset-direction 'char-direction)
+(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)
;;; @ coding system
;;;
-(defun character-encode-string (str coding-system)
- "Encode the string STR which is encoded in CODING-SYSTEM.
-\[emu-mule.el]"
- (code-convert-string str *internal* coding-system)
+(defun encode-coding-region (start end coding-system)
+ "Encode the text between START and END to CODING-SYSTEM.
+\[EMACS 20 emulating function]"
+ (code-convert-region start end *internal* coding-system)
)
-(defun character-decode-string (str coding-system)
- "Decode the string STR which is encoded in CODING-SYSTEM.
-\[emu-mule.el]"
- (code-convert-string str coding-system *internal*)
+(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 character-encode-region (start end coding-system)
- "Encode the text between START and END which is
-encoded in CODING-SYSTEM. [emu-mule.el]"
- (code-convert start end *internal* coding-system)
+(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 character-decode-region (start end coding-system)
- "Decode the text between START and END which is
-encoded in CODING-SYSTEM. [emu-mule.el]"
- (code-convert start end coding-system *internal*)
+(defun decode-coding-string (str coding-system)
+ "Decode the string STR which is encoded in CODING-SYSTEM.
+\[EMACS 20 emulating function]"
+ (let ((len (length str))
+ ret)
+ (while (and
+ (< 0 len)
+ (null
+ (setq ret
+ (code-convert-string (substring str 0 len)
+ coding-system *internal*))
+ ))
+ (setq len (1- len))
+ )
+ (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
+ mc-flag
+ (default-process-coding-system (cons *noconv* *noconv*))
+ program-coding-system-alist)
+ (,@ body)
+ )))
+
+(defmacro as-binary-input-file (&rest body)
+ (` (let (mc-flag
+ (file-coding-system-for-read *noconv*)
+ )
+ (,@ 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)
+
+
+;;; @ 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 (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*))
+ (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
+;;;
+
+(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*)
+ (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 (concat (symbol-name cs) (symbol-name 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))))
+
+
;;; @ 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))))
-(defalias 'char-columns 'char-width)
+;;; @@ obsoleted aliases
+;;;
+;;; You should not use them.
+
+(defalias 'char-length 'char-bytes)
+;;(defalias 'char-columns 'char-width)
;;; @ string
)
+;;; @ regulation
+;;;
+
+(defun regulate-latin-char (chr)
+ (cond ((and (<= ?\e$B#A\e(B chr)(<= chr ?\e$B#Z\e(B))
+ (+ (- chr ?\e$B#A\e(B) ?A)
+ )
+ ((and (<= ?\e$B#a\e(B chr)(<= chr ?\e$B#z\e(B))
+ (+ (- chr ?\e$B#a\e(B) ?a)
+ )
+ ((eq chr ?\e$B!%\e(B) ?.)
+ ((eq chr ?\e$B!$\e(B) ?,)
+ (t chr)
+ ))
+
+(defun regulate-latin-string (str)
+ (let ((len (length str))
+ (i 0)
+ chr (dest ""))
+ (while (< i len)
+ (setq chr (sref str i))
+ (setq dest (concat dest
+ (char-to-string (regulate-latin-char chr))))
+ (setq i (+ i (char-bytes chr)))
+ )
+ dest))
+
+
;;; @ end
;;;