1 ;;; emu-e19.el --- emu module for Emacs 19 and XEmacs 19
3 ;; Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Version: $Id: emu-e19.el,v 7.43 1997/01/29 14:58:00 morioka Exp $
7 ;; Keywords: emulation, compatibility, mule, Latin-1
9 ;; This file is part of emu.
11 ;; This program is free software; you can redistribute it and/or
12 ;; modify it under the terms of the GNU General Public License as
13 ;; published by the Free Software Foundation; either version 2, or (at
14 ;; your option) any later version.
16 ;; This program is distributed in the hope that it will be useful, but
17 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ;; General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
28 ;;; @ version and variant specific features
32 (require 'emu-xemacs))
41 (defconst charset-ascii 0 "Character set of ASCII")
42 (defconst charset-latin-iso8859-1 129 "Character set of ISO-8859-1")
44 (defun charset-description (charset)
45 "Return description of CHARSET. [emu-e19.el]"
47 (documentation-property 'charset-ascii 'variable-documentation)
48 (documentation-property 'charset-latin-iso8859-1 'variable-documentation)
51 (defun charset-registry (charset)
52 "Return registry name of CHARSET. [emu-e19.el]"
57 (defun charset-columns (charset)
58 "Return number of columns a CHARSET occupies when displayed.
62 (defun charset-direction (charset)
63 "Return the direction of a character of CHARSET by
64 0 (left-to-right) or 1 (right-to-left). [emu-e19.el]"
67 (defun find-charset-string (str)
68 "Return a list of charsets in the string.
69 \[emu-e19.el; Mule emulating function]"
70 (if (string-match "[\200-\377]" str)
71 (list charset-latin-iso8859-1)
74 (defalias 'find-non-ascii-charset-string 'find-charset-string)
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)
85 (list charset-latin-iso8859-1)
88 (defalias 'find-non-ascii-charset-region 'find-charset-region)
94 (defconst *internal* nil)
95 (defconst *ctext* nil)
96 (defconst *noconv* nil)
98 (defun decode-coding-string (string coding-system)
99 "Decode the STRING which is encoded in CODING-SYSTEM.
100 \[emu-e19.el; Emacs 20 emulating function]"
103 (defun encode-coding-string (string coding-system)
104 "Encode the STRING as CODING-SYSTEM.
105 \[emu-e19.el; Emacs 20 emulating function]"
108 (defun decode-coding-region (start end coding-system)
109 "Decode the text between START and END which is encoded in CODING-SYSTEM.
110 \[emu-e19.el; Emacs 20 emulating function]"
113 (defun encode-coding-region (start end coding-system)
114 "Encode the text between START and END to CODING-SYSTEM.
115 \[emu-e19.el; Emacs 20 emulating function]"
118 (defun detect-coding-region (start end)
119 "Detect coding-system of the text in the region between START and END.
120 \[emu-e19.el; Emacs 20 emulating function]"
123 (defun set-buffer-file-coding-system (coding-system &optional force)
124 "Set buffer-file-coding-system of the current buffer to CODING-SYSTEM.
125 \[emu-e19.el; Emacs 20 emulating function]"
128 (defmacro as-binary-process (&rest body)
129 (` (let (selective-display) ; Disable ^M to nl translation.
133 (defmacro as-binary-input-file (&rest body)
134 (` (let ((emx-binary-mode t)) ; Stop CRLF to LF conversion in OS/2
138 (defmacro as-binary-output-file (&rest body)
139 (` (let ((emx-binary-mode t)) ; Stop CRLF to LF conversion in OS/2
144 ;;; @@ for old MULE emulation
147 (defun code-convert-string (str ic oc)
148 "Convert code in STRING from SOURCE code to TARGET code,
149 On successful converion, returns the result string,
150 else returns nil. [emu-e19.el; old MULE emulating function]"
153 (defun code-convert-region (beg end ic oc)
154 "Convert code of the text between BEGIN and END from SOURCE
155 to TARGET. On successful conversion returns t,
156 else returns nil. [emu-e19.el; old MULE emulating function]"
163 (defvar charsets-mime-charset-alist
164 (list (cons (list charset-ascii) 'us-ascii)))
166 (defvar default-mime-charset 'iso-8859-1)
168 (defun mime-charset-to-coding-system (charset)
169 (if (stringp charset)
170 (setq charset (intern (downcase charset)))
172 (and (memq charset (list 'us-ascii default-mime-charset))
176 (defun detect-mime-charset-region (start end)
177 "Return MIME charset for region between START and END.
181 (narrow-to-region start end)
183 (re-search-forward "[\200-\377]" nil t)
188 (defun encode-mime-charset-region (start end charset)
189 "Encode the text between START and END as MIME CHARSET.
193 (defun decode-mime-charset-region (start end charset)
194 "Decode the text between START and END as MIME CHARSET.
198 (defun encode-mime-charset-string (string charset)
199 "Encode the STRING as MIME CHARSET. [emu-e19.el]"
202 (defun decode-mime-charset-string (string charset)
203 "Decode the STRING as MIME CHARSET. [emu-e19.el]"
210 (defun char-charset (chr)
211 "Return the character set of char CHR.
212 \[emu-e19.el; XEmacs 20 emulating function]"
215 charset-latin-iso8859-1))
217 (defun char-bytes (char)
218 "Return number of bytes a character in CHAR occupies in a buffer.
219 \[emu-e19.el; MULE emulating function]"
222 (defalias 'char-length 'char-bytes)
224 (defun char-columns (character)
225 "Return number of columns a CHARACTER occupies when displayed.
229 ;;; @@ for old MULE emulation
232 (defalias 'char-width 'char-columns)
234 (defalias 'char-leading-char 'char-charset)
240 (defalias 'string-columns 'length)
242 (defun string-to-char-list (str)
243 (mapcar (function identity) str)
246 (defalias 'string-to-int-list 'string-to-char-list)
248 (defalias 'sref 'aref)
250 (defun truncate-string (str width &optional start-column)
251 "Truncate STR to fit in WIDTH columns.
252 Optional non-nil arg START-COLUMN specifies the starting column.
253 \[emu-e19.el; MULE 2.3 emulating function]"
255 (setq start-column 0))
256 (substring str start-column width)
259 ;;; @@ for old MULE emulation
262 (defalias 'string-width 'length)
270 ;;; emu-e19.el ends here