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;;; cyrillic.el --- Support for languages which use Cyrillic characters
;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
;; Licensed to the Free Software Foundation.
;; Keywords: multilingual, Cyrillic
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; The character set ISO8859-5 is supported. KOI-8 and ALTERNATIVNYJ
;; are converted to ISO8859-5 internally.
;;; Code:
;; Cyrillic (general)
;; ISO-8859-5 staff
(make-coding-system
'cyrillic-iso-8bit 2 ?5
"ISO 2022 based 8-bit encoding for Cyrillic script (MIME:ISO-8859-5)"
'(ascii cyrillic-iso8859-5 nil nil
nil nil nil nil nil nil nil)
'((safe-charsets ascii cyrillic-iso8859-5)
(mime-charset . iso-8859-5)))
(define-coding-system-alias 'iso-8859-5 'cyrillic-iso-8bit)
(set-language-info-alist
"Cyrillic-ISO" '((charset cyrillic-iso8859-5)
(coding-system cyrillic-iso-8bit)
(coding-priority cyrillic-iso-8bit)
(input-method . "cyrillic-yawerty")
(nonascii-translation . cyrillic-iso8859-5)
(unibyte-display . cyrillic-iso-8bit)
(features cyril-util)
(sample-text . "Russian (,L@caaZXY(B) ,L7T`PRabRcYbU(B!")
(documentation . "Support for Cyrillic ISO-8859-5."))
'("Cyrillic"))
;; KOI-8 staff
(eval-and-compile
(defvar cyrillic-koi8-r-decode-table
[
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79
80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95
96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111
112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127
128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143
144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159
32 32 32 ?,Lq(B 32 32 32 32 32 32 32 32 32 32 32 32
32 32 32 ?,L!(B 32 32 32 32 32 32 32 32 32 32 32 32
?,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
?,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
?,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
?,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 ]
"Cyrillic KOI8-R decoding table.")
(defvar cyrillic-koi8-r-encode-table
(let ((table (make-vector 256 32))
(i 0))
(while (< i 256)
(let* ((ch (aref cyrillic-koi8-r-decode-table i))
(split (split-char ch)))
(if (eq (car split) 'cyrillic-iso8859-5)
(aset table (logior (nth 1 split) 128) i)
(if (/= ch 32)
(aset table ch i))))
(setq i (1+ i)))
table)
"Cyrillic KOI8-R encoding table.")
)
(define-ccl-program ccl-decode-koi8
`(3
((read r0)
(loop
(write-read-repeat r0 ,cyrillic-koi8-r-decode-table))))
"CCL program to decode KOI8.")
(define-ccl-program ccl-encode-koi8
`(1
((read r0)
(loop
(if (r0 != ,(charset-id 'cyrillic-iso8859-5))
(write-read-repeat r0)
((read r0)
(write-read-repeat r0 , cyrillic-koi8-r-encode-table))))))
"CCL program to encode KOI8.")
(make-coding-system
'cyrillic-koi8 4
;; We used to use ?K. It is true that ?K is more strictly correct,
;; but it is also used for Korean.
;; So people who use koi8 for languages other than Russian
;; will have to forgive us.
?R "KOI8 8-bit encoding for Cyrillic (MIME: KOI8-R)"
'(ccl-decode-koi8 . ccl-encode-koi8)
'((safe-charsets ascii cyrillic-iso8859-5)
(mime-charset . koi8-r)
(valid-codes (0 127) 163 179 (192 255))))
(define-coding-system-alias 'koi8-r 'cyrillic-koi8)
(define-coding-system-alias 'koi8 'cyrillic-koi8)
(define-ccl-program ccl-encode-koi8-font
`(0
((r1 |= 128)
(r1 = r1 ,cyrillic-koi8-r-encode-table)))
"CCL program to encode Cyrillic chars to KOI font.")
(setq font-ccl-encoder-alist
(cons (cons "koi8" ccl-encode-koi8-font) font-ccl-encoder-alist))
(defvar cyrillic-koi8-r-nonascii-translation-table
(make-translation-table-from-vector cyrillic-koi8-r-decode-table)
"Value of `nonascii-translation-table' in Cyrillic-KOI8 language environment..")
(set-language-info-alist
"Cyrillic-KOI8" `((charset cyrillic-iso8859-5)
(nonascii-translation
. ,cyrillic-koi8-r-nonascii-translation-table)
(charset-origin-alist
(cyrillic-iso8859-5 "KOI8-R" cyrillic-encode-koi8-r-char))
(coding-system cyrillic-koi8)
(coding-priority cyrillic-koi8)
(input-method . "cyrillic-yawerty")
(features cyril-util)
(unibyte-display . cyrillic-koi8)
(sample-text . "Russian (,L@caaZXY(B) ,L7T`PRabRcYbU(B!")
(documentation . "Support for Cyrillic KOI8-R."))
'("Cyrillic"))
;;; ALTERNATIVNYJ staff
(eval-and-compile
(defvar cyrillic-alternativnyj-decode-table
[
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79
80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95
96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111
112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127
?,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
?,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
?,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
32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32
32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32
32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32
?,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
?,L!(B ?,Lq(B 32 32 32 32 32 32 32 32 32 32 32 32 32 ?,Lp(B]
"Cyrillic ALTERNATIVNYJ decoding table.")
(defvar cyrillic-alternativnyj-encode-table
(let ((table (make-vector 256 32))
(i 0))
(while (< i 256)
(let* ((ch (aref cyrillic-alternativnyj-decode-table i))
(split (split-char ch)))
(if (eq (car split) 'cyrillic-iso8859-5)
(aset table (nth 1 split) i)
(if (/= ch 32)
(aset table ch i))))
(setq i (1+ i)))
table)
"Cyrillic ALTERNATIVNYJ encoding table.")
)
(define-ccl-program ccl-decode-alternativnyj
`(3
((read r0)
(loop
(write-read-repeat r0 ,cyrillic-alternativnyj-decode-table))))
"CCL program to decode Alternativnyj.")
(define-ccl-program ccl-encode-alternativnyj
`(1
((read r0)
(loop
(if (r0 != ,(charset-id 'cyrillic-iso8859-5))
(write-read-repeat r0)
((read r0)
(write-read-repeat r0 ,cyrillic-alternativnyj-encode-table))))))
"CCL program to encode Alternativnyj.")
(make-coding-system
'cyrillic-alternativnyj 4 ?A
"ALTERNATIVNYJ 8-bit encoding for Cyrillic"
'(ccl-decode-alternativnyj . ccl-encode-alternativnyj)
'((safe-charsets ascii cyrillic-iso8859-5)
(valid-codes (0 175) (224 241) 255)))
(define-coding-system-alias 'alternativnyj 'cyrillic-alternativnyj)
(define-ccl-program ccl-encode-alternativnyj-font
'(0
((r1 |= 128)
(r1 = r1 ,cyrillic-alternativnyj-encode-table)))
"CCL program to encode Cyrillic chars to Alternativnyj font.")
(setq font-ccl-encoder-alist
(cons (cons "alternativnyj" ccl-encode-alternativnyj-font)
font-ccl-encoder-alist))
(defvar cyrillic-alternativnyj-nonascii-translation-table
(make-translation-table-from-vector cyrillic-alternativnyj-decode-table)
"Value of `nonascii-translation-table' in Cyrillic-ALT language environment.")
(set-language-info-alist
"Cyrillic-ALT" `((charset cyrillic-iso8859-5)
(nonascii-translation
. ,cyrillic-alternativnyj-nonascii-translation-table)
(charset-origin-alist
(cyrillic-iso8859-5 "ALTERNATIVNYJ"
cyrillic-encode-koi8-r-char))
(coding-system cyrillic-alternativnyj)
(coding-priority cyrillic-alternativnyj)
(input-method . "cyrillic-yawerty")
(features cyril-util)
(unibyte-display . cyrillic-alternativnyj)
(sample-text . "Russian (,L@caaZXY(B) ,L7T`PRabRcYbU(B!")
(documentation . "Support for Cyrillic ALTERNATIVNYJ."))
'("Cyrillic"))
;;; cyrillic.el ends here
|
