1 ;;; emu-e19.el --- emu module for Emacs 19 and XEmacs 19
3 ;; Copyright (C) 1995,1996 Free Software Foundation, Inc.
5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Version: $Id: emu-e19.el,v 7.39 1996/09/23 20:33:19 morioka Exp $
7 ;; Keywords: emulation, compatibility, mule, Latin-1
9 ;; This file is part of tl (Tiny Library).
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-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-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)
74 (defun find-charset-region (start end)
75 "Return a list of charsets in the region between START and END.
76 \[emu-e19.el; Mule emulating function]"
79 (narrow-to-region start end)
81 (re-search-forward "[\200-\377]" nil t)
86 ;;; @@ for old MULE emulation
90 (defconst lc-ltn1 129)
96 (defconst *internal* nil)
97 (defconst *ctext* nil)
98 (defconst *noconv* nil)
100 (defun decode-coding-string (string coding-system)
101 "Decode the STRING which is encoded in CODING-SYSTEM.
102 \[emu-e19.el; Emacs 20 emulating function]"
105 (defun encode-coding-string (string coding-system)
106 "Encode the STRING as CODING-SYSTEM.
107 \[emu-e19.el; Emacs 20 emulating function]"
110 (defun decode-coding-region (start end coding-system)
111 "Decode the text between START and END which is encoded in CODING-SYSTEM.
112 \[emu-e19.el; Emacs 20 emulating function]"
115 (defun encode-coding-region (start end coding-system)
116 "Encode the text between START and END to CODING-SYSTEM.
117 \[emu-e19.el; Emacs 20 emulating function]"
120 (defun detect-coding-region (start end)
121 "Detect coding-system of the text in the region between START and END.
122 \[emu-e19.el; Emacs 20 emulating function]"
125 (defun set-buffer-file-coding-system (coding-system &optional force)
126 "Set buffer-file-coding-system of the current buffer to CODING-SYSTEM.
127 \[emu-e19.el; Emacs 20 emulating function]"
130 (defmacro as-binary-process (&rest body)
131 (` (let (selective-display) ; Disable ^M to nl translation.
135 (defmacro as-binary-input-file (&rest body)
136 (` (let ((emx-binary-mode t)) ; Stop CRLF to LF conversion in OS/2
141 ;;; @@ for old MULE emulation
144 (defun code-convert-string (str ic oc)
145 "Convert code in STRING from SOURCE code to TARGET code,
146 On successful converion, returns the result string,
147 else returns nil. [emu-e19.el; old MULE emulating function]"
150 (defun code-convert-region (beg end ic oc)
151 "Convert code of the text between BEGIN and END from SOURCE
152 to TARGET. On successful conversion returns t,
153 else returns nil. [emu-e19.el; old MULE emulating function]"
160 (defvar charsets-mime-charset-alist
161 (list (cons (list charset-ascii) 'us-ascii)))
163 (defvar default-mime-charset 'iso-8859-1)
165 (defun mime-charset-to-coding-system (charset)
166 (if (stringp charset)
167 (setq charset (intern (downcase charset)))
169 (and (memq charset (list 'us-ascii default-mime-charset))
173 (defun detect-mime-charset-region (start end)
174 "Return MIME charset for region between START and END.
178 (narrow-to-region start end)
180 (re-search-forward "[\200-\377]" nil t)
185 (defun encode-mime-charset-region (start end charset)
186 "Encode the text between START and END as MIME CHARSET.
190 (defun decode-mime-charset-region (start end charset)
191 "Decode the text between START and END as MIME CHARSET.
195 (defun encode-mime-charset-string (string charset)
196 "Encode the STRING as MIME CHARSET. [emu-e19.el]"
199 (defun decode-mime-charset-string (string charset)
200 "Decode the STRING as MIME CHARSET. [emu-e19.el]"
207 (defun char-charset (chr)
208 "Return the character set of char CHR.
209 \[emu-e19.el; XEmacs 20 emulating function]"
214 (defun char-bytes (char)
215 "Return number of bytes a character in CHAR occupies in a buffer.
216 \[emu-e19.el; MULE emulating function]"
219 (defalias 'char-length 'char-bytes)
221 (defun char-columns (character)
222 "Return number of columns a CHARACTER occupies when displayed.
226 ;;; @@ for old MULE emulation
229 (defalias 'char-width 'char-columns)
231 (defalias 'char-leading-char 'char-charset)
237 (defalias 'string-columns 'length)
239 (defun string-to-char-list (str)
240 (mapcar (function identity) str)
243 (defalias 'string-to-int-list 'string-to-char-list)
245 (defalias 'sref 'aref)
247 (defun truncate-string (str width &optional start-column)
248 "Truncate STR to fit in WIDTH columns.
249 Optional non-nil arg START-COLUMN specifies the starting column.
250 \[emu-e19.el; MULE 2.3 emulating function]"
252 (setq start-column 0))
253 (substring str start-column width)
256 ;;; @@ for old MULE emulation
259 (defalias 'string-width 'length)
267 ;;; emu-e19.el ends here