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comparison lisp/tl/emu-x20.el @ 4:b82b59fe008d r19-15b3

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Import from CVS: tag r19-15b3
author cvs
date Mon, 13 Aug 2007 08:46:56 +0200
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3:30df88044ec6 4:b82b59fe008d
1 ;;;
2 ;;; emu-x20.el --- Mule 2 emulation module for XEmacs 20 with Mule
3 ;;;
4 ;;; Copyright (C) 1995 Free Software Foundation, Inc.
5 ;;; Copyright (C) 1994 .. 1996 MORIOKA Tomohiko
6 ;;;
7 ;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
8 ;;; Version:
9 ;;; $Id: emu-x20.el,v 1.1.1.1 1996/12/18 03:55:31 steve Exp $
10 ;;; Keywords: emulation, compatibility, Mule, XEmacs
11 ;;;
12 ;;; This file is part of tl (Tiny Library).
13 ;;;
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.
18 ;;;
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.
23 ;;;
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.
27 ;;;
28 ;;; Code:
29
30 (defvar xemacs-beta-version
31 (if (string-match "(beta\\([0-9]+\\))" emacs-version)
32 (string-to-number
33 (substring emacs-version (match-beginning 1)(match-end 1))
34 )))
35
36
37 ;;; @ character set
38 ;;;
39
40 (defalias 'char-leading-char 'char-charset)
41
42 (defun find-charset-string (string)
43 "Return a list of charsets in the STRING except ascii.
44 \[emu-x20.el; Mule emulating function]"
45 (delq 'ascii (charsets-in-string string))
46 )
47
48 (defun find-charset-region (start end)
49 "Return a list of charsets except ascii
50 in the region between START and END.
51 \[emu-x20.el; Mule emulating function]"
52 (delq 'ascii (charsets-in-region start end))
53 )
54
55 (defconst lc-ascii 'ascii)
56 (defconst lc-ltn1 'latin-1)
57 (defconst lc-ltn2 'latin-2)
58 (defconst lc-ltn3 'latin-3)
59 (defconst lc-ltn4 'latin-4)
60 (defconst lc-crl 'cyrillic)
61 (defconst lc-arb 'arabic)
62 (defconst lc-grk 'greek)
63 (defconst lc-hbw 'hebrew)
64 (defconst lc-ltn5 'latin-5)
65 (defconst lc-jp 'japanese)
66 (defconst lc-jp2 'japanese-2)
67 (defconst lc-kr 'korean)
68 (defconst lc-big5-1 'chinese-big5-1)
69 (defconst lc-big5-2 'chinese-big5-2)
70 (defconst lc-cn 'chinese-gb)
71 (defconst lc-cns1 'chinese-cns-1)
72 (defconst lc-cns2 'chinese-cns-2)
73 (defconst lc-cns3 'chinese-cns-3)
74 (defconst lc-cns4 'chinese-cns-4)
75 (defconst lc-cns5 'chinese-cns-5)
76 (defconst lc-cns6 'chinese-cns-6)
77 (defconst lc-cns7 'chinese-cns-7)
78
79
80 ;;; @ coding-system
81 ;;;
82
83 (defconst *noconv* 'noconv)
84 (defconst *ctext* 'ctext)
85 (defconst *hz* 'hz)
86 (defconst *big5* 'big5)
87 (defconst *euc-kr* 'euc-kr)
88 (defconst *koi8* nil)
89
90 (defvar code-converter-is-broken
91 (and xemacs-beta-version (<= xemacs-beta-version 18)))
92
93 (if code-converter-is-broken
94 (progn
95 ;;;
96 (defun decode-coding-region (start end coding-system &optional buffer)
97 "Decode the text between START and END which is encoded in CODING-SYSTEM.
98 \[emu-x20.el; XEmacs 20 emulating function]"
99 (save-excursion
100 (if buffer
101 (set-buffer buffer)
102 )
103 (save-restriction
104 (narrow-to-region start end)
105 (let ((process-output-coding-system 'noconv)
106 (process-input-coding-system coding-system))
107 (call-process-region start end "cat" t t nil)
108 ))))
109
110 (defun encode-coding-region (start end coding-system &optional buffer)
111 "Encode the text between START and END which is encoded in CODING-SYSTEM.
112 \[emu-x20.el; XEmacs 20 emulating function]"
113 (save-excursion
114 (if buffer
115 (set-buffer buffer)
116 )
117 (save-restriction
118 (narrow-to-region start end)
119 (let ((process-output-coding-system coding-system)
120 (process-input-coding-system 'noconv))
121 (call-process-region start end "cat" t t nil)
122 ))))
123 ;;;
124 ))
125
126
127 ;;; @ character and string
128 ;;;
129
130 (defun char-bytes (chr) 1)
131 (defun char-width (chr) 1)
132
133 (defalias 'string-width 'length)
134
135 (defalias 'sref 'aref)
136
137 (defun truncate-string (str width &optional start-column)
138 "Truncate STR to fit in WIDTH columns.
139 Optional non-nil arg START-COLUMN specifies the starting column.
140 \[emu-x20.el; Mule 2.3 emulating function]"
141 (or start-column
142 (setq start-column 0))
143 (substring str start-column width)
144 )
145
146
147 ;;; @ etc
148 ;;;
149
150 (require 'emu-xemacs)
151
152
153 ;;; @ end
154 ;;;
155
156 (provide 'emu-x20)
157
158 ;;; emu-x20.el ends here