(eval-and-compile
(defvar viet-viscii-decode-table
[ 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 decoding 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 encoding table.
Cons of tables for encoding lower-case chars and upper-case characters.
Both tables are indexed by the position code of Vietnamese characters.")
(defvar viet-vscii-decode-table
[ 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 decoding 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 encoding table.
Cons of tables for encoding lower-case chars and upper-case characters.
Both tables are indexed by the position code of Vietnamese characters.")
)
(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")
(define-ccl-program ccl-encode-viscii
`(1
((read r0)
(loop
(if (r0 < 128)
(write-read-repeat r0)
(if (r0 != ,leading-code-private-11)
(write-read-repeat r0)
((read-if (r0 == ,(charset-id 'vietnamese-viscii-lower))
( (read r0)
(r0 -= 128)
(write-read-repeat r0 ,(car viet-viscii-encode-table)))
(if (r0 == ,(charset-id 'vietnamese-viscii-upper))
( (read r0)
(r0 -= 128)
(write-read-repeat r0 ,(cdr viet-viscii-encode-table)))
(write-read-repeat r0)))))))))
"CCL program to encode VISCII 1.1")
(define-ccl-program ccl-encode-viscii-font
`(0
(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-decode-vscii
`(3
((read r0)
(loop
(write-read-repeat r0 ,viet-vscii-decode-table))
))
"CCL program to decode VSCII-1.")
(define-ccl-program ccl-encode-vscii
`(1
((read r0)
(loop
(if (r0 < 128)
(write-read-repeat r0)
(if (r0 != ,leading-code-private-11)
(write-read-repeat r0)
(read-if (r0 == ,(charset-id 'vietnamese-viscii-lower))
( (read r0)
(r0 -= 128)
(write-read-repeat r0 ,(car viet-vscii-encode-table)))
(if (r0 == ,(charset-id 'vietnamese-viscii-upper))
( (read r0)
(r0 -= 128)
(write-read-repeat r0 ,(cdr viet-vscii-encode-table)))
(write-read-repeat r0))))))))
"CCL program to encode VSCII-1.")
(define-ccl-program ccl-encode-vscii-font
`(0
(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
'vietnamese-viscii 4 ?V
"8-bit encoding for Vietnamese VISCII 1.1 (MIME:VISCII)"
'(ccl-decode-viscii . ccl-encode-viscii)
'((safe-charsets ascii vietnamese-viscii-lower vietnamese-viscii-upper)
(mime-charset . viscii)
(valid-codes (0 . 255))))
(define-coding-system-alias 'viscii 'vietnamese-viscii)
(make-coding-system
'vietnamese-vscii 4 ?v
"8-bit encoding for Vietnamese VSCII-1"
'(ccl-decode-vscii . ccl-encode-vscii)
'((safe-charsets ascii vietnamese-viscii-lower vietnamese-viscii-upper)
(valid-codes (0 . 255))))
(define-coding-system-alias 'vscii 'vietnamese-vscii)
(make-coding-system
'vietnamese-viqr 0 ?q
"Vietnamese latin transcription (VIQR)"
nil
'((safe-charsets ascii vietnamese-viscii-lower vietnamese-viscii-upper)
(post-read-conversion . viqr-post-read-conversion)
(pre-write-conversion . viqr-pre-write-conversion)
(charset-origin-alist
(vietnamese-viscii-lower "VISCII" viet-encode-viscii-char)
(vietnamese-viscii-upper "VISCII" viet-encode-viscii-char))))
(define-coding-system-alias 'viqr 'vietnamese-viqr)
(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))
(defvar viet-viscii-nonascii-translation-table
(make-translation-table-from-vector viet-viscii-decode-table)
"Value of `nonascii-translation-table' in Vietnamese language environment.")
(set-language-info-alist
"Vietnamese" `((charset vietnamese-viscii-lower vietnamese-viscii-upper)
(nonascii-translation
. ,viet-viscii-nonascii-translation-table)
(coding-system vietnamese-viscii vietnamese-vscii
vietnamese-viqr)
(coding-priority vietnamese-viscii)
(input-method . "vietnamese-viqr")
(unibyte-display . vietnamese-viscii)
(features viet-util)
(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.
Current setting put higher priority to the coding system VISCII than VSCII.
If you prefer VSCII, please do: (prefer-coding-system 'vietnamese-vscii)")
))