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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
-