-;;; emu-x20.el --- emu API implementation for XEmacs 20 with mule
+;;; emu-x20.el --- emu API implementation for XEmacs with mule
-;; Copyright (C) 1995 Free Software Foundation, Inc.
-;; Copyright (C) 1994,1995,1996 MORIOKA Tomohiko
+;; Copyright (C) 1994,1995,1996,1997,1998 MORIOKA Tomohiko
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Version: $Id: emu-x20.el,v 7.37 1996/09/23 20:38:05 morioka Exp $
;; Keywords: emulation, compatibility, Mule, XEmacs
-;; 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
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
-;;; Code:
-
-(require 'cyrillic)
-(require 'emu-xemacs)
-
-(defvar xemacs-beta-version
- (if (string-match "(beta\\([0-9]+\\))" emacs-version)
- (string-to-number
- (substring emacs-version (match-beginning 1)(match-end 1))
- )))
-
-
-;;; @ character set
-;;;
+;;; Commentary:
-(defalias 'charset-description 'charset-doc-string)
+;; This module requires XEmacs 20.3-b5 or later with mule.
-(defun find-charset-string (string)
- "Return a list of charsets in the STRING except ascii.
-\[emu-x20.el; Mule emulating function]"
- (delq 'ascii (charsets-in-string string))
- )
-
-(defun find-charset-region (start end)
- "Return a list of charsets except ascii
-in the region between START and END.
-\[emu-x20.el; Mule emulating function]"
- (delq 'ascii (charsets-in-region start end))
- )
-
-;;; @@ for Mule emulation
-;;;
-
-(defconst lc-ascii 'ascii)
-(defconst lc-ltn1 'latin-1)
-(defconst lc-ltn2 'latin-2)
-(defconst lc-ltn3 'latin-3)
-(defconst lc-ltn4 'latin-4)
-(defconst lc-crl 'cyrillic)
-(defconst lc-arb 'arabic)
-(defconst lc-grk 'greek)
-(defconst lc-hbw 'hebrew)
-(defconst lc-ltn5 'latin-5)
-(defconst lc-jp 'japanese)
-(defconst lc-jp2 'japanese-2)
-(defconst lc-kr 'korean)
-(defconst lc-big5-1 'chinese-big5-1)
-(defconst lc-big5-2 'chinese-big5-2)
-(defconst lc-cn 'chinese-gb)
-(defconst lc-cns1 'chinese-cns-1)
-(defconst lc-cns2 'chinese-cns-2)
-(defconst lc-cns3 'chinese-cns-3)
-(defconst lc-cns4 'chinese-cns-4)
-(defconst lc-cns5 'chinese-cns-5)
-(defconst lc-cns6 'chinese-cns-6)
-(defconst lc-cns7 'chinese-cns-7)
-
-
-;;; @ coding-system
-;;;
-
-(defconst *noconv* 'noconv)
-(defconst *ctext* 'ctext)
-(defconst *hz* 'hz)
-(defconst *big5* 'big5)
-(defconst *euc-kr* 'euc-kr)
-(defconst *koi8* 'koi8)
+;;; Code:
-(defalias 'set-buffer-file-coding-system 'set-file-coding-system)
+;; (require 'emu-xemacs)
+;; (require 'emu-20)
-(defmacro as-binary-process (&rest body)
- `(let (selective-display ; Disable ^M to nl translation.
- process-input-coding-system
- process-output-coding-system)
- ,@body))
-(defmacro as-binary-input-file (&rest body)
- `(let ((file-coding-system-for-read 'noconv))
- ,@body))
+(and (coding-system-property 'iso-2022-jp 'input-charset-conversion)
+ (copy-coding-system 'iso-2022-7bit 'iso-2022-jp))
-;;; @ MIME charset
+;;; @ binary access
;;;
-(defvar charsets-mime-charset-alist
- '(((ascii) . us-ascii)
- ((ascii latin-1) . iso-8859-1)
- ((ascii latin-2) . iso-8859-2)
- ((ascii latin-3) . iso-8859-3)
- ((ascii latin-4) . iso-8859-4)
-;;; ((ascii cyrillic) . iso-8859-5)
- ((ascii cyrillic) . koi8-r)
- ((ascii arabic) . iso-8859-6)
- ((ascii greek) . iso-8859-7)
- ((ascii hebrew) . iso-8859-8)
- ((ascii latin-5) . iso-8859-9)
- ((ascii japanese-old japanese) . iso-2022-jp)
- ((ascii korean) . euc-kr)
- ((ascii chinese-big5-1 chinese-big5-2) . big5)
- ((ascii japanese-old chinese-gb japanese korean
- japanese-2 latin-1 greek) . iso-2022-jp-2)
- ((ascii japanese-old chinese-gb japanese korean
- japanese-2 chinese-cns-1 chinese-cns-2
- latin-1 greek) . iso-2022-int-1)
+(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 ((coding-system-for-read 'binary)
+ format-alist)
+ (insert-file-contents filename visit beg end replace)
))
-(defvar default-mime-charset 'iso-2022-int-1)
-
-(defvar mime-charset-coding-system-alist
- '((iso-8859-1 . 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)
+(define-obsolete-function-alias '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 ((coding-system-for-read 'binary))
+ (insert-file-contents-literally filename visit beg end replace)
))
-(defun mime-charset-to-coding-system (charset)
- "Return coding-system by MIME charset. [emu-x20.el]"
- (if (stringp charset)
- (setq charset (intern (downcase charset)))
- )
- (or (cdr (assq charset mime-charset-coding-system-alist))
- (and (memq charset (coding-system-list)) charset)
- ))
-
-(defun detect-mime-charset-region (start end)
- "Return MIME charset for region between START and END.
-\[emu-x20.el]"
- (charsets-to-mime-charset (charsets-in-region start end)))
+
+;;; @ MIME charset
+;;;
(defun encode-mime-charset-region (start end charset)
- "Encode the text between START and END as MIME CHARSET.
-\[emu-x20.el]"
+ "Encode the text between START and END as MIME CHARSET."
(let ((cs (mime-charset-to-coding-system charset)))
(if cs
(encode-coding-region start end cs)
)))
(defun decode-mime-charset-region (start end charset)
- "Decode the text between START and END as MIME CHARSET.
-\[emu-x20.el]"
+ "Decode the text between START and END as MIME CHARSET."
(let ((cs (mime-charset-to-coding-system charset)))
(if cs
(decode-coding-region start end cs)
)))
-(defun encode-mime-charset-string (string charset)
- "Encode the STRING as MIME CHARSET. [emu-x20.el]"
+(defsubst encode-mime-charset-string (string charset)
+ "Encode the STRING as MIME CHARSET."
(let ((cs (mime-charset-to-coding-system charset)))
(if cs
(encode-coding-string string cs)
string)))
-(defun decode-mime-charset-string (string charset)
- "Decode the STRING as MIME CHARSET. [emu-x20.el]"
+(defsubst decode-mime-charset-string (string charset)
+ "Decode the STRING as MIME CHARSET."
(let ((cs (mime-charset-to-coding-system charset)))
(if cs
(decode-coding-string string cs)
string)))
-;;; @ character
-;;;
+(defvar charsets-mime-charset-alist
+ '(((ascii) . us-ascii)
+ ((ascii latin-iso8859-1) . iso-8859-1)
+ ((ascii latin-iso8859-2) . iso-8859-2)
+ ((ascii latin-iso8859-3) . iso-8859-3)
+ ((ascii latin-iso8859-4) . iso-8859-4)
+ ((ascii cyrillic-iso8859-5) . iso-8859-5)
+;;; ((ascii cyrillic-iso8859-5) . koi8-r)
+ ((ascii arabic-iso8859-6) . iso-8859-6)
+ ((ascii greek-iso8859-7) . iso-8859-7)
+ ((ascii hebrew-iso8859-8) . iso-8859-8)
+ ((ascii latin-iso8859-9) . iso-8859-9)
+ ((ascii latin-jisx0201
+ japanese-jisx0208-1978 japanese-jisx0208) . iso-2022-jp)
+ ((ascii korean-ksc5601) . euc-kr)
+ ((ascii chinese-gb2312) . cn-gb-2312)
+ ((ascii chinese-big5-1 chinese-big5-2) . cn-big5)
+ ((ascii latin-iso8859-1 greek-iso8859-7
+ latin-jisx0201 japanese-jisx0208-1978
+ chinese-gb2312 japanese-jisx0208
+ korean-ksc5601 japanese-jisx0212) . iso-2022-jp-2)
+ ((ascii latin-iso8859-1 greek-iso8859-7
+ latin-jisx0201 japanese-jisx0208-1978
+ chinese-gb2312 japanese-jisx0208
+ korean-ksc5601 japanese-jisx0212
+ chinese-cns11643-1 chinese-cns11643-2) . iso-2022-int-1)
+ ((ascii latin-iso8859-1 latin-iso8859-2
+ cyrillic-iso8859-5 greek-iso8859-7
+ latin-jisx0201 japanese-jisx0208-1978
+ chinese-gb2312 japanese-jisx0208
+ korean-ksc5601 japanese-jisx0212
+ chinese-cns11643-1 chinese-cns11643-2
+ chinese-cns11643-3 chinese-cns11643-4
+ chinese-cns11643-5 chinese-cns11643-6
+ chinese-cns11643-7) . iso-2022-int-1)
+ ))
+
+(defun detect-mime-charset-region (start end)
+ "Return MIME charset for region between START and END."
+ (charsets-to-mime-charset (charsets-in-region start end)))
-(defun char-bytes (chr) 1)
-(defun char-length (character)
- "Return number of elements a CHARACTER occupies in a string or buffer.
-\[emu-x20.el]"
- 1)
+;;; @ character
+;;;
-(defun char-columns (character)
- "Return number of columns a CHARACTER occupies when displayed.
-\[emu-x20.el]"
- (charset-columns (char-charset character))
- )
+(defmacro char-next-index (char index)
+ "Return index of character succeeding CHAR whose index is INDEX."
+ `(1+ ,index))
;;; @@ Mule emulating aliases
;;;
;;; You should not use them.
-(defalias 'char-width 'char-columns)
-
-(defalias 'char-leading-char 'char-charset)
+;;(defalias 'char-leading-char 'char-charset)
(defun char-category (character)
"Return string of category mnemonics for CHAR in TABLE.
CHAR can be any multilingual character
-TABLE defaults to the current buffer's category table.
-\[emu-x20.el; Mule emulating function]"
+TABLE defaults to the current buffer's category table."
(mapconcat (lambda (chr)
(char-to-string (int-char chr))
)
;;; @ string
;;;
-(defun string-columns (string)
- "Return number of columns STRING occupies when displayed.
-\[emu-x20.el]"
- (let ((col 0)
- (len (length string))
- (i 0))
- (while (< i len)
- (setq col (+ col (char-columns (aref string i))))
- (setq i (1+ i))
- )
- col))
-
-(defalias 'string-width 'string-column)
-
(defun string-to-int-list (str)
(mapcar #'char-int str)
)
-(defalias 'sref 'aref)
-
-(defun truncate-string (str width &optional start-column)
- "Truncate STR to fit in WIDTH columns.
-Optional non-nil arg START-COLUMN specifies the starting column.
-\[emu-x20.el; Mule 2.3 emulating function]"
- (or start-column
- (setq start-column 0))
- (substring str start-column width)
- )
-
;;; @ end
;;;