1 ;;; mule-coding.el --- Coding-system functions for Mule.
3 ;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
4 ;; Licensed to the Free Software Foundation.
5 ;; Copyright (C) 1995 Amdahl Corporation.
6 ;; Copyright (C) 1995 Sun Microsystems.
7 ;; Copyright (C) 1997 MORIOKA Tomohiko
9 ;; This file is part of XEmacs.
11 ;; XEmacs is free software; you can redistribute it and/or modify it
12 ;; under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; XEmacs 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 XEmacs; 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 ;;; split off of mule.el and mostly moved to coding.el
32 (defun coding-system-force-on-output (coding-system register)
33 "Return the 'force-on-output property of CODING-SYSTEM for the specified REGISTER."
34 (check-type register integer)
35 (coding-system-property
38 (0 'force-g0-on-output)
39 (1 'force-g1-on-output)
40 (2 'force-g2-on-output)
41 (3 'force-g3-on-output)
42 (t (signal 'args-out-of-range (list register 0 3))))))
44 (defun coding-system-short (coding-system)
45 "Return the 'short property of CODING-SYSTEM."
46 (coding-system-property coding-system 'short))
48 (defun coding-system-no-ascii-eol (coding-system)
49 "Return the 'no-ascii-eol property of CODING-SYSTEM."
50 (coding-system-property coding-system 'no-ascii-eol))
52 (defun coding-system-no-ascii-cntl (coding-system)
53 "Return the 'no-ascii-cntl property of CODING-SYSTEM."
54 (coding-system-property coding-system 'no-ascii-cntl))
56 (defun coding-system-seven (coding-system)
57 "Return the 'seven property of CODING-SYSTEM."
58 (coding-system-property coding-system 'seven))
60 (defun coding-system-lock-shift (coding-system)
61 "Return the 'lock-shift property of CODING-SYSTEM."
62 (coding-system-property coding-system 'lock-shift))
64 ;;(defun coding-system-use-japanese-jisx0201-roman (coding-system)
65 ;; "Return the 'use-japanese-jisx0201-roman property of CODING-SYSTEM."
66 ;; (coding-system-property coding-system 'use-japanese-jisx0201-roman))
68 ;;(defun coding-system-use-japanese-jisx0208-1978 (coding-system)
69 ;; "Return the 'use-japanese-jisx0208-1978 property of CODING-SYSTEM."
70 ;; (coding-system-property coding-system 'use-japanese-jisx0208-2978))
72 (defun coding-system-no-iso6429 (coding-system)
73 "Return the 'no-iso6429 property of CODING-SYSTEM."
74 (coding-system-property coding-system 'no-iso6429))
76 (defun coding-system-ccl-encode (coding-system)
77 "Return the CCL 'encode property of CODING-SYSTEM."
78 (coding-system-property coding-system 'encode))
80 (defun coding-system-ccl-decode (coding-system)
81 "Return the CCL 'decode property of CODING-SYSTEM."
82 (coding-system-property coding-system 'decode))
85 ;;;; Definitions of predefined coding systems
89 "Coding-system used in X as Compound Text Encoding."
91 charset-g1 latin-iso8859-1
95 ;;; iso-8859-1 and ctext are aliases.
97 ;; (copy-coding-system 'ctext 'iso-8859-1)
99 'iso-8859-1 'no-conversion
100 "Coding-system used in X as Compound Text Encoding."
101 '(eol-type nil mnemonic "Noconv"))
104 'iso-2022-8bit-ss2 'iso2022
105 "ISO-2022 coding system using SS2 for 96-charset in 8-bit code."
107 charset-g1 latin-iso8859-1
108 charset-g2 t ;; unspecified but can be used later.
114 'iso-2022-7bit-ss2 'iso2022
115 "ISO-2022 coding system using SS2 for 96-charset in 7-bit code."
117 charset-g2 t ;; unspecified but can be used later.
123 ;; (copy-coding-system 'iso-2022-7bit-ss2 'iso-2022-jp-2)
125 'iso-2022-jp-2 'iso2022
126 "ISO-2022 coding system using SS2 for 96-charset in 7-bit code."
128 charset-g2 t ;; unspecified but can be used later.
135 'iso-2022-7bit 'iso2022
136 "ISO 2022 based 7-bit encoding using only G0"
142 ;; compatibility for old XEmacsen
143 (copy-coding-system 'iso-2022-7bit 'iso-2022-7)
147 "ISO-2022 eight-bit coding system. No single-shift or locking-shift."
149 charset-g1 latin-iso8859-1
155 'escape-quoted 'iso2022
156 "ISO-2022 eight-bit coding system with escape quoting; used for .ELC files."
158 charset-g1 latin-iso8859-1
165 'iso-2022-lock 'iso2022
166 "ISO-2022 coding system using Locking-Shift for 96-charset."
168 charset-g1 t ;; unspecified but can be used later.
174 ;; initialize the coding categories to something semi-reasonable
175 ;; so that the remaining Lisp files can contain extended characters.
176 ;; (They will be in ISO-7 format)
178 (if (featurep 'utf-2000)
179 (set-coding-priority-list '(iso-8-2 iso-8-designate iso-8-1
180 iso-7 iso-lock-shift utf-8 no-conversion))
181 (set-coding-priority-list '(iso-8-2 iso-8-designate iso-8-1
182 iso-7 iso-lock-shift no-conversion)))
184 (set-coding-category-system 'iso-7 'iso-2022-7)
185 (set-coding-category-system 'iso-8-designate 'ctext)
186 (set-coding-category-system 'iso-8-1 'ctext)
187 (set-coding-category-system 'iso-lock-shift 'iso-2022-lock)
188 (set-coding-category-system 'no-conversion 'no-conversion)
190 (setq-default buffer-file-coding-system 'iso-2022-8)
192 ;;; mule-coding.el ends here