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|
;;; vietnamese.el --- Support for Vietnamese
;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
;; Licensed to the Free Software Foundation.
;; Copyright (C) 1997 MORIOKA Tomohiko
;; Keywords: multilingual, Vietnamese
;; This file is part of XEmacs.
;; XEmacs 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.
;; XEmacs 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 XEmacs; see the file COPYING. If not, write to the Free
;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
;; 02111-1307, USA.
;;; Commentary:
;; For Vietnames, the character sets VISCII and VSCII are supported.
;;; Code:
(eval-when-compile
(defvar viet-viscii-decode-table
[;; VISCII is a full 8-bit code.
0 1 ?,2F(B 3 4 ?,2G(B ?,2g(B 7 8 9 10 11 12 13 14 15
16 17 18 19 ?,2V(B 21 22 23 24 ?,2[(B 26 27 28 29 ?,2\(B 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
?,2U(B ?,2!(B ?,2"(B ?,2#(B ?,2$(B ?,2%(B ?,2&(B ?,2'(B ?,2((B ?,2)(B ?,2*(B ?,2+(B ?,2,(B ?,2-(B ?,2.(B ?,2/(B
?,20(B ?,21(B ?,22(B ?,25(B ?,2~(B ?,2>(B ?,26(B ?,27(B ?,28(B ?,2v(B ?,2w(B ?,2o(B ?,2|(B ?,2{(B ?,2x(B ?,2O(B
?,2u(B ?,1!(B ?,1"(B ?,1#(B ?,1$(B ?,1%(B ?,1&(B ?,1'(B ?,1((B ?,1)(B ?,1*(B ?,1+(B ?,1,(B ?,1-(B ?,1.(B ?,1/(B
?,10(B ?,11(B ?,12(B ?,2^(B ?,2=(B ?,15(B ?,16(B ?,17(B ?,18(B ?,2q(B ?,2Q(B ?,2W(B ?,2X(B ?,1=(B ?,1>(B ?,2_(B
?,2`(B ?,2a(B ?,2b(B ?,2c(B ?,2d(B ?,2e(B ?,1F(B ?,1G(B ?,2h(B ?,2i(B ?,2j(B ?,2k(B ?,2l(B ?,2m(B ?,2n(B ?,1O(B
?,2p(B ?,1Q(B ?,2r(B ?,2s(B ?,2t(B ?,1U(B ?,1V(B ?,1W(B ?,1X(B ?,2y(B ?,2z(B ?,1[(B ?,1\(B ?,2}(B ?,1^(B ?,1_(B
?,1`(B ?,1a(B ?,1b(B ?,1c(B ?,1d(B ?,1e(B ?,1f(B ?,1g(B ?,1h(B ?,1i(B ?,1j(B ?,1k(B ?,1l(B ?,1m(B ?,1n(B ?,1o(B
?,1p(B ?,1q(B ?,1r(B ?,1s(B ?,1t(B ?,1u(B ?,1v(B ?,1w(B ?,1x(B ?,1y(B ?,1z(B ?,1{(B ?,1|(B ?,1}(B ?,1~(B ?,2f(B ]
"Vietnamese VISCII encoding table.")
(defvar viet-viscii-encode-table
(let ((table-lower (make-vector 128 0))
(table-upper (make-vector 128 0))
(i 0)
char-component)
(while (< i 256)
(setq char-component (split-char (aref viet-viscii-decode-table i)))
(cond ((eq (car char-component) 'vietnamese-viscii-lower)
(aset table-lower (nth 1 char-component) i))
((eq (car char-component) 'vietnamese-viscii-upper)
(aset table-upper (nth 1 char-component) i)))
(setq i (1+ i)))
(cons table-lower table-upper))
"Vietnamese VISCII decoding table.
Cons of tables for decoding lower-case chars and upper-case characterss.
Both tables are indexed by the position code of Vietnamese characters.")
(defvar viet-vscii-decode-table
[;; VSCII is a full 8-bit code.
0 ?,2z(B ?,2x(B 3 ?,2W(B ?,2X(B ?,2f(B 7 8 9 10 11 12 13 14 15
16 ?,2Q(B ?,2_(B ?,2O(B ?,2V(B ?,2[(B ?,2}(B ?,2\(B 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
?,2`(B ?,2d(B ?,2c(B ?,2a(B ?,2U(B ?,2#(B ?,2'(B ?,2h(B ?,2k(B ?,2((B ?,2i(B ?,2)(B ?,2.(B ?,2l(B ?,2o(B ?,2n(B
?,2m(B ?,28(B ?,2r(B ?,2v(B ?,2u(B ?,2s(B ?,2w(B ?,25(B ?,26(B ?,27(B ?,2^(B ?,2>(B ?,2~(B ?,2y(B ?,2|(B ?,2{(B
160 ?,2e(B ?,2b(B ?,2j(B ?,2t(B ?,2=(B ?,2_(B ?,2p(B ?,1e(B ?,1b(B ?,1j(B ?,1t(B ?,1>(B ?,1y(B ?,1p(B ?,2"(B
192 193 194 195 196 ?,1`(B ?,1d(B ?,1c(B ?,1a(B ?,1U(B ?,2F(B ?,1"(B ?,1F(B ?,1G(B ?,1!(B ?,2G(B
?,2!(B ?,2%(B ?,2&(B ?,2g(B ?,2%(B ?,2+(B ?,1#(B ?,1%(B ?,1&(B ?,1g(B ?,1$(B ?,1'(B ?,1h(B ?,2,(B ?,1k(B ?,1((B
?,1i(B ?,1)(B ?,1+(B ?,1,(B ?,1-(B ?,1*(B ?,1.(B ?,1l(B ?,1o(B ?,2-(B ?,2*(B ?,20(B ?,1n(B ?,1m(B ?,18(B ?,1r(B
?,21(B ?,1v(B ?,1u(B ?,1s(B ?,1w(B ?,10(B ?,11(B ?,12(B ?,1/(B ?,15(B ?,16(B ?,17(B ?,1^(B ?,1>(B ?,1~(B ?,1y(B
?,22(B ?,1|(B ?,1{(B ?,1z(B ?,1x(B ?,1W(B ?,1X(B ?,1f(B ?,1Q(B ?,1q(B ?,1O(B ?,1V(B ?,1[(B ?,1}(B ?,1\(B ?,2/(B]
"Vietnamese VSCII code table.")
(defvar viet-vscii-encode-table
(let ((table-lower (make-vector 128 0))
(table-upper (make-vector 128 0))
(i 0)
char-component)
(while (< i 256)
(setq char-component (split-char (aref viet-vscii-decode-table i)))
(cond ((eq (car char-component) 'vietnamese-viscii-lower)
(aset table-lower (nth 1 char-component) i))
((eq (car char-component) 'vietnamese-viscii-upper)
(aset table-upper (nth 1 char-component) i)))
(setq i (1+ i)))
(cons table-lower table-upper))
"Vietnamese VSCII decoding table.
Cons of tables for decoding lower-case chars and upper-case characterss.
Both tables are indexed by the position code of Vietnamese characters.")
)
(define-ccl-program ccl-read-viscii
`(((read r0)
(loop
(write-read-repeat r0 ,viet-viscii-decode-table))
))
"CCL program to read VISCII 1.1")
;; (define-ccl-program ccl-decode-viscii
;; `(3
;; ((read r0)
;; (loop
;; (write-read-repeat r0 ,viet-viscii-decode-table))
;; ))
;; "CCL program to decode VISCII 1.1")
;; Multibyte form of a Vietnamese character is as follows (3-byte):
;; LEADING-CODE-PRIVATE-11 LEADING-CODE-EXTENDED-11 POSITION-CODE
;; where LEADING-CODE-EXTENDED-11 for Vietnamese is
;; `vietnamese-viscii-lower' or `vietnamese-viscii-upper'.
(define-ccl-program ccl-write-viscii
`(((read r0)
(loop
(if (r0 < 128)
(write-read-repeat r0)
(if (r0 != 154)
(write-read-repeat r0)
((read-if (r0 == 163)
((read r0)
(r0 -= 160)
(write-read-repeat r0 ,(car viet-viscii-encode-table))
(if (r0 == 164)
((read r0)
(r0 -= 160)
(write-read-repeat r0 ,(cdr viet-viscii-encode-table)))
(write-read-repeat r0))))))))))
"CCL program to write VISCII 1.1")
;; (define-ccl-program ccl-encode-viscii
;; `(1
;; ((read r0)
;; (loop
;; (if (r0 < 128)
;; ;; ASCII
;; (write-read-repeat r0)
;; ;; not ASCII
;; (if (r0 != ,leading-code-private-11)
;; ;; not Vietnamese
;; (write-read-repeat r0)
;; ((read-if (r0 == ,(charset-id 'vietnamese-viscii-lower))
;; (;; Vietnamese lower
;; (read r0)
;; (r0 -= 128)
;; (write-read-repeat r0 ,(car viet-viscii-encode-table)))
;; (if (r0 == ,(charset-id 'vietnamese-viscii-upper))
;; (;; Vietnamese upper
;; (read r0)
;; (r0 -= 128)
;; (write-read-repeat r0 ,(cdr viet-viscii-encode-table)))
;; ;; not Vietnamese
;; (write-read-repeat r0)))))))))
;; "CCL program to encode VISCII 1.1")
(define-ccl-program ccl-vietnamese-lower-to-viscii
`(((r1 = r1
,(car viet-viscii-encode-table))))
"CCL program to convert chars of 'vietnamese-lower to VISCII 1.1 font")
(define-ccl-program ccl-vietnamese-upper-to-viscii
`(((r1 = r1
,(cdr viet-viscii-encode-table))))
"CCL program to convert chars of 'vietnamese-upper to VISCII 1.1 font")
;; (define-ccl-program ccl-encode-viscii-font
;; `(0
;; ;; In: R0:vietnamese-viscii-lower/vietnamese-viscii-upper
;; ;; R1:position code
;; ;; Out: R1:font code point
;; (if (r0 == ,(charset-id 'vietnamese-viscii-lower))
;; (r1 = r1 ,(car viet-viscii-encode-table))
;; (r1 = r1 ,(cdr viet-viscii-encode-table)))
;; )
;; "CCL program to encode Vietnamese chars to VISCII 1.1 font")
(define-ccl-program ccl-read-vscii
`(((read r0)
(loop
(write-read-repeat r0 ,viet-vscii-decode-table))
))
"CCL program to read VSCII-1.")
;; (define-ccl-program ccl-decode-vscii
;; `(3
;; ((read r0)
;; (loop
;; (write-read-repeat r0 ,viet-vscii-decode-table))
;; ))
;; "CCL program to decode VSCII-1.")
(define-ccl-program ccl-write-vscii
`(((read r0)
(loop
(if (r0 < 128)
(write-read-repeat r0)
(if (r0 != 154)
(write-read-repeat r0)
(read-if (r0 == 163)
((read r0)
(r0 -= 160)
(write-read-repeat r0 ,(car viet-vscii-encode-table)))
(if (r0 == 164)
((read r0)
(r0 -= 160)
(write-read-repeat
r0 ,(cdr viet-viscii-encode-table)))
(write-read-repeat r0))))))))
"CCL program to write VSCII-1.")
;; (define-ccl-program ccl-encode-vscii
;; `(1
;; ((read r0)
;; (loop
;; (if (r0 < 128)
;; ;; ASCII
;; (write-read-repeat r0)
;; ;; not ASCII
;; (if (r0 != ,leading-code-private-11)
;; ;; not Vietnamese
;; (write-read-repeat r0)
;; (read-if (r0 == ,(charset-id 'vietnamese-viscii-lower))
;; (;; Vietnamese lower
;; (read r0)
;; (r0 -= 128)
;; (write-read-repeat r0 ,(car viet-vscii-encode-table)))
;; (if (r0 == ,(charset-id 'vietnamese-viscii-upper))
;; (;; Vietnamese upper
;; (read r0)
;; (r0 -= 128)
;; (write-read-repeat r0 ,(cdr viet-viscii-encode-table)))
;; ;; not Vietnamese
;; (write-read-repeat r0))))))))
;; "CCL program to encode VSCII-1.")
(define-ccl-program ccl-vietnamese-lower-to-vscii
'(((r1 = r1
[ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 190 187 198 202 199 200 203 207 209 213 210 211 212 214 232
229 230 231 0 0 233 234 235 222 0 0 0 0 0 237 0
0 0 0 0 0 0 188 189 0 0 0 0 0 0 0 250
0 248 0 0 0 185 251 245 246 0 0 252 254 0 236 0
181 184 169 183 182 168 247 201 204 208 170 206 215 221 220 216
174 249 223 227 171 226 225 228 244 239 243 242 241 253 238 0
])))
"CCL program to convert chars of 'vietnamese-lower to VSCII-1 font.")
(define-ccl-program ccl-vietnamese-upper-to-vscii
'(((r1 = r1
[ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 192 175 133 0 196 194 134 137 139 218 197 205 217 140 255
219 224 240 0 0 151 152 153 145 0 0 0 0 165 155 0
0 0 0 0 0 0 186 191 0 0 0 0 0 0 0 19
0 17 0 0 0 132 20 4 5 0 0 21 23 0 154 166
128 131 162 130 129 161 6 195 135 138 163 136 141 144 143 142
167 0 146 149 164 148 147 150 2 157 1 159 158 22 156 0
])))
"CCL program to convert chars of 'vietnamese-upper to VSCII-1 font.")
;; (define-ccl-program ccl-encode-vscii-font
;; `(0
;; ;; In: R0:vietnamese-viscii-lower/vietnamese-viscii-upper
;; ;; R1:position code
;; ;; Out: R1:font code point
;; (if (r0 == ,(charset-id 'vietnamese-viscii-lower))
;; (r1 = r1 ,(car viet-vscii-encode-table))
;; (r1 = r1 ,(cdr viet-vscii-encode-table)))
;; )
;; "CCL program to encode Vietnamese chars to VSCII-1 font.")
(make-coding-system
'viscii 'ccl
"Coding-system used for VISCII 1.1."
`(mnemonic "VISCII"
decode ,ccl-read-viscii
encode ,ccl-write-viscii))
;; (make-coding-system
;; 'vietnamese-viscii 4 ?V
;; "8-bit encoding for Vietnamese VISCII 1.1 (MIME:VISCII)"
;; (cons ccl-decode-viscii ccl-encode-viscii))
;; (define-coding-system-alias 'viscii 'vietnamese-viscii)
(make-coding-system
'vscii 'ccl
"Coding-system used for VSCII 1.1."
`(mnemonic "VSCII"
decode ,ccl-read-vscii
encode ,ccl-write-vscii))
;; (make-coding-system
;; 'vietnamese-vscii 4 ?v
;; "8-bit encoding for Vietnamese VSCII-1"
;; (cons ccl-decode-vscii ccl-encode-vscii))
;; (define-coding-system-alias 'vscii 'vietnamese-vscii)
(make-coding-system
'viqr 'no-conversion
"Coding-system used for VIQR."
'(mnemonic "VIQR"
eol-type lf
post-read-conversion viqr-post-read-conversion
pre-write-conversion viqr-pre-write-conversion))
;; (make-coding-system
;; 'vietnamese-viqr 0 ?q
;; "Vietnamese latin transcription (VIQR)"
;; nil)
;; (put 'vietnamese-viqr 'post-read-conversion 'viqr-post-read-conversion)
;; (put 'vietnamese-viqr 'pre-write-conversion 'viqr-pre-write-conversion)
;; (define-coding-system-alias 'viqr 'vietnamese-viqr)
;; For VISCII users
(set-charset-ccl-program 'vietnamese-viscii-lower
ccl-vietnamese-lower-to-viscii)
(set-charset-ccl-program 'vietnamese-viscii-upper
ccl-vietnamese-upper-to-viscii)
;; For VSCII users
;; (set-charset-ccl-program 'vietnamese-lower ccl-vietnamese-lower-to-vscii)
;; (set-charset-ccl-program 'vietnamese-upper ccl-vietnamese-upper-to-vscii)
;; (setq font-ccl-encoder-alist
;; (cons (cons "viscii" ccl-encode-viscii-font) font-ccl-encoder-alist))
;; (setq font-ccl-encoder-alist
;; (cons (cons "vscii" ccl-encode-vscii-font) font-ccl-encoder-alist))
(set-language-info-alist
"Vietnamese" '((setup-function . setup-vietnamese-environment)
(charset . (vietnamese-viscii-lower
vietnamese-viscii-upper))
(coding-system . (viscii vscii viqr))
(sample-text . "Vietnamese (Ti,1*(Bng Vi,1.(Bt) Ch,1`(Bo b,1U(Bn")
(documentation . "\
For Vietnamese, Emacs uses special charasets internally.
They can be decoded from and encoded to VISCC, VSCII, and VIQR.")
))
;;; vietnamese.el ends here
|
