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247 lines
9.5 KiB
EmacsLisp
247 lines
9.5 KiB
EmacsLisp
;;; cyrillic.el --- Support for Cyrillic -*- coding: iso-2022-7bit; -*-
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;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
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;; Licensed to the Free Software Foundation.
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;; Keywords: multilingual, Cyrillic
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;; The character set ISO8859-5 is supported. See
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;; http://www.ecma.ch/ecma1/STAND/ECMA-113.HTM. KOI-8 and
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;; ALTERNATIVNYJ are converted to ISO8859-5 internally.
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;;; Code:
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;; Cyrillic (general)
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;; ISO-8859-5 staff
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(make-coding-system
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'cyrillic-iso-8bit 2 ?5
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"ISO 2022 based 8-bit encoding for Cyrillic script (MIME:ISO-8859-5)"
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'(ascii cyrillic-iso8859-5 nil nil
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nil nil nil nil nil nil nil)
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'((safe-charsets ascii cyrillic-iso8859-5)
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(mime-charset . iso-8859-5)))
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(define-coding-system-alias 'iso-8859-5 'cyrillic-iso-8bit)
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(set-language-info-alist
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"Cyrillic-ISO" '((charset cyrillic-iso8859-5)
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(coding-system cyrillic-iso-8bit)
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(coding-priority cyrillic-iso-8bit)
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(input-method . "cyrillic-yawerty")
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(nonascii-translation . cyrillic-iso8859-5)
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(unibyte-display . cyrillic-iso-8bit)
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(features cyril-util)
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(sample-text . "Russian (,L@caaZXY(B) ,L7T`PRabRcYbU(B!")
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(documentation . "Support for Cyrillic ISO-8859-5."))
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'("Cyrillic"))
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;; KOI-8 staff
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(defvar cyrillic-koi8-r-decode-table
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[
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0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
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32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
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48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
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64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79
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80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95
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96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111
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112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127
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128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143
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144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159
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160 161 162 ?,Lq(B 164 165 166 167 168 169 170 171 172 173 174 175
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176 177 178 ?,L!(B 180 181 182 183 184 185 186 187 188 189 190 191
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?,Ln(B ?,LP(B ?,LQ(B ?,Lf(B ?,LT(B ?,LU(B ?,Ld(B ?,LS(B ?,Le(B ?,LX(B ?,LY(B ?,LZ(B ?,L[(B ?,L\(B ?,L](B ?,L^(B
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?,L_(B ?,Lo(B ?,L`(B ?,La(B ?,Lb(B ?,Lc(B ?,LV(B ?,LR(B ?,Ll(B ?,Lk(B ?,LW(B ?,Lh(B ?,Lm(B ?,Li(B ?,Lg(B ?,Lj(B
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?,LN(B ?,L0(B ?,L1(B ?,LF(B ?,L4(B ?,L5(B ?,LD(B ?,L3(B ?,LE(B ?,L8(B ?,L9(B ?,L:(B ?,L;(B ?,L<(B ?,L=(B ?,L>(B
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?,L?(B ?,LO(B ?,L@(B ?,LA(B ?,LB(B ?,LC(B ?,L6(B ?,L2(B ?,LL(B ?,LK(B ?,L7(B ?,LH(B ?,LM(B ?,LI(B ?,LG(B ?,LJ(B ]
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"Cyrillic KOI8-R decoding table.")
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(let ((table (make-translation-table-from-vector
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cyrillic-koi8-r-decode-table)))
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(define-translation-table 'cyrillic-koi8-r-nonascii-translation-table table)
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(define-translation-table 'cyrillic-koi8-r-encode-table
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(char-table-extra-slot table 0)))
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(define-ccl-program ccl-decode-koi8
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`(3
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((loop
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(r0 = 0)
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(read r1)
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(if (r1 < 128)
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(write-repeat r1)
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((translate-character cyrillic-koi8-r-nonascii-translation-table r0 r1)
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(write-multibyte-character r0 r1)
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(repeat))))))
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"CCL program to decode KOI8.")
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(define-ccl-program ccl-encode-koi8
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`(1
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((loop
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(read-multibyte-character r0 r1)
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(if (r0 == ,(charset-id 'cyrillic-iso8859-5))
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(translate-character cyrillic-koi8-r-encode-table r0 r1))
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(write-repeat r1))))
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"CCL program to encode KOI8.")
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(make-coding-system
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'cyrillic-koi8 4
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;; We used to use ?K. It is true that ?K is more strictly correct,
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;; but it is also used for Korean.
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;; So people who use koi8 for languages other than Russian
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;; will have to forgive us.
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?R "KOI8 8-bit encoding for Cyrillic (MIME: KOI8-R)"
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'(ccl-decode-koi8 . ccl-encode-koi8)
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`((safe-chars . ,(let ((table (make-char-table 'safe-chars))
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(i 0))
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(while (< i 256)
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(aset table (aref cyrillic-koi8-r-decode-table i) t)
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(setq i (1+ i)))
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table))
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(mime-charset . koi8-r)
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(valid-codes (0 . 127) 163 179 (192 . 255))
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(charset-origin-alist (cyrillic-iso8859-5 "KOI8-R"
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cyrillic-encode-koi8-r-char))))
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(define-coding-system-alias 'koi8-r 'cyrillic-koi8)
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(define-coding-system-alias 'koi8 'cyrillic-koi8)
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(define-ccl-program ccl-encode-koi8-font
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`(0
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((translate-character cyrillic-koi8-r-encode-table r0 r1)))
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"CCL program to encode Cyrillic chars to KOI font.")
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(setq font-ccl-encoder-alist
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(cons '("koi8" . ccl-encode-koi8-font) font-ccl-encoder-alist))
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(set-language-info-alist
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"Cyrillic-KOI8" `((charset cyrillic-iso8859-5)
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(nonascii-translation
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. ,(get 'cyrillic-koi8-r-nonascii-translation-table
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'translation-table))
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(coding-system cyrillic-koi8)
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(coding-priority cyrillic-koi8)
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(input-method . "cyrillic-jcuken")
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(features cyril-util)
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(unibyte-display . cyrillic-koi8)
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(sample-text . "Russian (,L@caaZXY(B) ,L7T`PRabRcYbU(B!")
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(documentation . "Support for Cyrillic KOI8-R."))
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'("Cyrillic"))
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;;; ALTERNATIVNYJ staff
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(defvar cyrillic-alternativnyj-decode-table
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[
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0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
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32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
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48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
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64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79
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80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95
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96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111
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112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127
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?,L0(B ?,L1(B ?,L2(B ?,L3(B ?,L4(B ?,L5(B ?,L6(B ?,L7(B ?,L8(B ?,L9(B ?,L:(B ?,L;(B ?,L<(B ?,L=(B ?,L>(B ?,L?(B
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?,L@(B ?,LA(B ?,LB(B ?,LC(B ?,LD(B ?,LE(B ?,LF(B ?,LG(B ?,LH(B ?,LI(B ?,LJ(B ?,LK(B ?,LL(B ?,LM(B ?,LN(B ?,LO(B
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?,LP(B ?,LQ(B ?,LR(B ?,LS(B ?,LT(B ?,LU(B ?,LV(B ?,LW(B ?,LX(B ?,LY(B ?,LZ(B ?,L[(B ?,L\(B ?,L](B ?,L^(B ?,L_(B
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176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191
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192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207
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208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223
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?,L`(B ?,La(B ?,Lb(B ?,Lc(B ?,Ld(B ?,Le(B ?,Lf(B ?,Lg(B ?,Lh(B ?,Li(B ?,Lj(B ?,Lk(B ?,Ll(B ?,Lm(B ?,Ln(B ?,Lo(B
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?,L!(B ?,Lq(B 242 243 244 245 246 247 248 249 250 251 252 253 254 ?,Lp(B]
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"Cyrillic ALTERNATIVNYJ decoding table.")
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(let ((table (make-translation-table-from-vector
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cyrillic-alternativnyj-decode-table)))
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(define-translation-table 'cyrillic-alternativnyj-nonascii-translation-table
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table)
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(define-translation-table 'cyrillic-alternativnyj-encode-table
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(char-table-extra-slot table 0)))
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(define-ccl-program ccl-decode-alternativnyj
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`(3
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((loop
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(r0 = 0)
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(read r1)
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(if (r1 < 128)
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(write-repeat r1)
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((translate-character cyrillic-alternativnyj-nonascii-translation-table
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r0 r1)
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(write-multibyte-character r0 r1)
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(repeat))))))
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"CCL program to decode Alternativnyj.")
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(define-ccl-program ccl-encode-alternativnyj
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`(1
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((loop
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(read-multibyte-character r0 r1)
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(translate-character cyrillic-alternativnyj-encode-table r0 r1)
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(write-repeat r1))))
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"CCL program to encode Alternativnyj.")
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(make-coding-system
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'cyrillic-alternativnyj 4 ?A
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"ALTERNATIVNYJ 8-bit encoding for Cyrillic"
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'(ccl-decode-alternativnyj . ccl-encode-alternativnyj)
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`((safe-chars . ,(let ((table (make-char-table 'safe-chars))
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(i 0))
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(while (< i 256)
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(aset table (aref cyrillic-alternativnyj-decode-table i)
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t)
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(setq i (1+ i)))
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table))
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(valid-codes (0 . 175) (224 . 241) 255)
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(charset-origin-alist (cyrillic-iso8859-5 "ALTERNATIVNYJ"
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cyrillic-encode-koi8-r-char))))
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(define-coding-system-alias 'alternativnyj 'cyrillic-alternativnyj)
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(define-ccl-program ccl-encode-alternativnyj-font
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'(0
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((translate-character cyrillic-alternativnyj-encode-table r0 r1)))
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"CCL program to encode Cyrillic chars to Alternativnyj font.")
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(setq font-ccl-encoder-alist
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(cons '("alternativnyj" . ccl-encode-alternativnyj-font)
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font-ccl-encoder-alist))
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(set-language-info-alist
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"Cyrillic-ALT" `((charset cyrillic-iso8859-5)
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(nonascii-translation
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. ,(get 'cyrillic-alternativnyj-nonascii-translation-table
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'translation-table))
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(coding-system cyrillic-alternativnyj)
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(coding-priority cyrillic-alternativnyj)
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(input-method . "cyrillic-jcuken")
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(features cyril-util)
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(unibyte-display . cyrillic-alternativnyj)
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(sample-text . "Russian (,L@caaZXY(B) ,L7T`PRabRcYbU(B!")
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(documentation . "Support for Cyrillic ALTERNATIVNYJ."))
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'("Cyrillic"))
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(provide 'cyrillic)
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;;; cyrillic.el ends here
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