2 ;;; emu-e19.el --- Mule 2 emulation module for Emacs 19 and XEmacs 19
4 ;;; Copyright (C) 1995 Free Software Foundation, Inc.
5 ;;; Copyright (C) 1994 .. 1996 MORIOKA Tomohiko
7 ;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
9 ;;; $Id: emu-e19.el,v 7.30 1996/07/15 08:26:24 morioka Exp $
10 ;;; Keywords: emulation, compatibility, Mule, Latin-1
12 ;;; This file is part of tl (Tiny Library).
14 ;;; This program is free software; you can redistribute it and/or
15 ;;; modify it under the terms of the GNU General Public License as
16 ;;; published by the Free Software Foundation; either version 2, or
17 ;;; (at your option) any later version.
19 ;;; This program is distributed in the hope that it will be useful,
20 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
21 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 ;;; General Public License for more details.
24 ;;; You should have received a copy of the GNU General Public License
25 ;;; along with This program. If not, write to the Free Software
26 ;;; Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
30 ;;; @ version and variant specific features
34 (require 'emu-xemacs))
43 (defconst charset-ascii 0 "Character set of ASCII")
44 (defconst charset-latin-1 129 "Character set of ISO-8859-1")
46 (defun charset-description (charset)
47 "Return description of CHARSET. [emu-e19.el]"
49 (documentation-property 'charset-ascii 'variable-documentation)
50 (documentation-property 'charset-latin-1 'variable-documentation)
53 (defun charset-registry (charset)
54 "Return registry name of CHARSET. [emu-e19.el]"
59 (defun charset-columns (charset)
60 "Return number of columns a CHARSET occupies when displayed.
64 (defun charset-direction (charset)
65 "Return the direction of a character of CHARSET by
66 0 (left-to-right) or 1 (right-to-left). [emu-e19.el]"
69 (defun find-charset-string (str)
70 "Return a list of charsets in the string.
71 \[emu-e19.el; Mule emulating function]"
72 (if (string-match "[\200-\377]" str)
76 (defun find-charset-region (start end)
77 "Return a list of charsets in the region between START and END.
78 \[emu-e19.el; Mule emulating function]"
81 (narrow-to-region start end)
83 (re-search-forward "[\200-\377]" nil t)
88 ;;; @@ for Mule emulation
92 (defconst lc-ltn1 129)
98 (defconst *internal* nil)
99 (defconst *ctext* nil)
100 (defconst *noconv* nil)
102 (defun code-convert-string (str ic oc)
103 "Convert code in STRING from SOURCE code to TARGET code,
104 On successful converion, returns the result string,
105 else returns nil. [emu-e19.el; Mule emulating function]"
108 (defun code-convert-region (beg end ic oc)
109 "Convert code of the text between BEGIN and END from SOURCE
110 to TARGET. On successful conversion returns t,
111 else returns nil. [emu-e19.el; Mule emulating function]"
114 (defun code-detect-region (beg end)
115 "Detect coding-system of the text in the region
116 between START and END. [emu-e19.el; Mule emulating function]"
119 (defun set-file-coding-system (coding-system &optional force)
122 (defmacro as-binary-process (&rest body)
123 (` (let (selective-display) ; Disable ^M to nl translation.
131 (defvar charsets-mime-charset-alist
132 (list (cons (list charset-ascii) 'us-ascii)))
134 (defvar default-mime-charset 'iso-8859-1)
136 (defun detect-mime-charset-region (start end)
137 "Return MIME charset for region between START and END.
141 (narrow-to-region start end)
143 (re-search-forward "[\200-\377]" nil t)
148 (defun encode-mime-charset-region (start end charset)
149 "Encode the text between START and END as MIME CHARSET.
153 (defun decode-mime-charset-region (start end charset)
154 "Decode the text between START and END as MIME CHARSET.
158 (defun encode-mime-charset-string (string charset)
159 "Encode the STRING as MIME CHARSET. [emu-e19.el]"
162 (defun decode-mime-charset-string (string charset)
163 "Decode the STRING as MIME CHARSET. [emu-e19.el]"
170 (defun char-charset (chr)
171 "Return the character set of char CHR.
172 \[emu-e19.el; XEmacs 20 emulating function]"
177 (defun char-bytes (char)
178 "Return number of bytes a character in CHAR occupies in a buffer.
179 \[emu-e19.el; Mule emulating function]"
182 (defalias 'char-length 'char-bytes)
184 (defun char-columns (character)
185 "Return number of columns a CHARACTER occupies when displayed.
189 ;;; @@ for Mule emulation
192 (defalias 'char-width 'char-columns)
194 (defalias 'char-leading-char 'char-charset)
200 (defalias 'string-columns 'length)
202 (defun string-to-char-list (str)
203 (mapcar (function identity) str)
206 (defalias 'string-to-int-list 'string-to-char-list)
208 (defalias 'sref 'aref)
210 (defun truncate-string (str width &optional start-column)
211 "Truncate STR to fit in WIDTH columns.
212 Optional non-nil arg START-COLUMN specifies the starting column.
213 \[emu-e19.el; Mule 2.3 emulating function]"
215 (setq start-column 0))
216 (substring str start-column width)
219 ;;; @@ for Mule emulation
222 (defalias 'string-width 'length)
230 ;;; emu-e19.el ends here