1 ;;; emu-e20.el --- emu API implementation for Emacs 20.1 and 20.2
3 ;; Copyright (C) 1996,1997,1998 Free Software Foundation, Inc.
5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Keywords: emulation, compatibility, Mule
8 ;; This file is part of emu.
10 ;; This program is free software; you can redistribute it and/or
11 ;; modify it under the terms of the GNU General Public License as
12 ;; published by the Free Software Foundation; either version 2, or (at
13 ;; your option) any later version.
15 ;; This program is distributed in the hope that it will be useful, but
16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ;; General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
27 ;; This module requires Emacs 20.1 and 20.2.
33 (defun fontset-pixel-size (fontset)
34 (let* ((info (fontset-info fontset))
35 (height (aref info 1))
37 (cond ((> height 0) height)
38 ((string-match "-\\([0-9]+\\)-" fontset)
40 (substring fontset (match-beginning 1)(match-end 1))
50 ;; (defalias 'charset-columns 'charset-width)
52 (defun find-non-ascii-charset-string (string)
53 "Return a list of charsets in the STRING except ascii."
54 (delq 'ascii (find-charset-string string))
57 (defun find-non-ascii-charset-region (start end)
58 "Return a list of charsets except ascii
59 in the region between START and END."
60 (delq 'ascii (find-charset-string (buffer-substring start end)))
67 (defsubst-maybe find-coding-system (obj)
68 "Return OBJ if it is a coding-system."
69 (if (coding-system-p obj)
72 (defalias 'set-process-input-coding-system 'set-process-coding-system)
78 (defun insert-file-contents-as-binary (filename
79 &optional visit beg end replace)
80 "Like `insert-file-contents', q.v., but don't code and format conversion.
81 Like `insert-file-contents-literary', but it allows find-file-hooks,
82 automatic uncompression, etc.
84 Namely this function ensures that only format decoding and character
85 code conversion will not take place."
86 (let ((flag enable-multibyte-characters)
87 (coding-system-for-read 'binary)
89 (insert-file-contents filename visit beg end replace)
90 (setq enable-multibyte-characters flag)
93 (defalias 'insert-binary-file-contents 'insert-file-contents-as-binary)
94 (make-obsolete 'insert-binary-file-contents 'insert-file-contents-as-binary)
96 (defalias 'insert-binary-file-contents-literally
97 'insert-file-contents-literally)
103 (defsubst encode-mime-charset-region (start end charset)
104 "Encode the text between START and END as MIME CHARSET."
106 (if (and enable-multibyte-characters
107 (setq cs (mime-charset-to-coding-system charset)))
108 (encode-coding-region start end cs)
111 (defsubst decode-mime-charset-region (start end charset)
112 "Decode the text between START and END as MIME CHARSET."
114 (if (and enable-multibyte-characters
115 (setq cs (mime-charset-to-coding-system charset)))
116 (decode-coding-region start end cs)
119 (defsubst encode-mime-charset-string (string charset)
120 "Encode the STRING as MIME CHARSET."
122 (if (and enable-multibyte-characters
123 (setq cs (mime-charset-to-coding-system charset)))
124 (encode-coding-string string cs)
127 (defsubst decode-mime-charset-string (string charset)
128 "Decode the STRING as MIME CHARSET."
130 (if (and enable-multibyte-characters
131 (setq cs (mime-charset-to-coding-system charset)))
132 (decode-coding-string string cs)
136 (defvar charsets-mime-charset-alist
137 '(((ascii) . us-ascii)
138 ((ascii latin-iso8859-1) . iso-8859-1)
139 ((ascii latin-iso8859-2) . iso-8859-2)
140 ((ascii latin-iso8859-3) . iso-8859-3)
141 ((ascii latin-iso8859-4) . iso-8859-4)
142 ;;; ((ascii cyrillic-iso8859-5) . iso-8859-5)
143 ((ascii cyrillic-iso8859-5) . koi8-r)
144 ((ascii arabic-iso8859-6) . iso-8859-6)
145 ((ascii greek-iso8859-7) . iso-8859-7)
146 ((ascii hebrew-iso8859-8) . iso-8859-8)
147 ((ascii latin-iso8859-9) . iso-8859-9)
148 ((ascii latin-jisx0201
149 japanese-jisx0208-1978 japanese-jisx0208) . iso-2022-jp)
150 ((ascii korean-ksc5601) . euc-kr)
151 ((ascii chinese-gb2312) . cn-gb-2312)
152 ((ascii chinese-big5-1 chinese-big5-2) . cn-big5)
153 ((ascii latin-iso8859-1 greek-iso8859-7
154 latin-jisx0201 japanese-jisx0208-1978
155 chinese-gb2312 japanese-jisx0208
156 korean-ksc5601 japanese-jisx0212) . iso-2022-jp-2)
157 ((ascii latin-iso8859-1 greek-iso8859-7
158 latin-jisx0201 japanese-jisx0208-1978
159 chinese-gb2312 japanese-jisx0208
160 korean-ksc5601 japanese-jisx0212
161 chinese-cns11643-1 chinese-cns11643-2) . iso-2022-int-1)
162 ((ascii latin-iso8859-1 latin-iso8859-2
163 cyrillic-iso8859-5 greek-iso8859-7
164 latin-jisx0201 japanese-jisx0208-1978
165 chinese-gb2312 japanese-jisx0208
166 korean-ksc5601 japanese-jisx0212
167 chinese-cns11643-1 chinese-cns11643-2
168 chinese-cns11643-3 chinese-cns11643-4
169 chinese-cns11643-5 chinese-cns11643-6
170 chinese-cns11643-7) . iso-2022-int-1)
177 (defmacro char-next-index (char index)
178 "Return index of character succeeding CHAR whose index is INDEX."
179 `(+ index (char-bytes char)))
181 ;;; @@ Mule emulating aliases
183 ;;; You should not use them.
185 (defun char-category (character)
186 "Return string of category mnemonics for CHAR in TABLE.
187 CHAR can be any multilingual character
188 TABLE defaults to the current buffer's category table."
189 (category-set-mnemonics (char-category-set character))
192 ;;; @@ obsoleted aliases
194 ;;; You should not use them.
196 (defalias 'char-length 'char-bytes)
197 ;;(defalias 'char-columns 'char-width)
203 (defalias 'string-columns 'string-width)
205 (defalias 'sset 'store-substring)
207 (defun string-to-char-list (string)
208 "Return a list of which elements are characters in the STRING."
209 (let* ((len (length string))
213 (setq chr (sref string i))
214 (setq l (cons chr l))
215 (setq i (+ i (char-bytes chr)))
220 (defalias 'string-to-int-list 'string-to-char-list)
230 ;;; emu-e20.el ends here