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-rw-r--r--lisp/language/vietnamese.el148
1 files changed, 139 insertions, 9 deletions
diff --git a/lisp/language/vietnamese.el b/lisp/language/vietnamese.el
index c79c84e9631..aa1c71a8191 100644
--- a/lisp/language/vietnamese.el
+++ b/lisp/language/vietnamese.el
@@ -24,7 +24,8 @@
;;; Commentary:
-;; For Vietnames, the character sets VISCII and VSCII are supported.
+;; For Vietnames, the character sets VISCII, VSCII and TCVN-5712 are
+;; supported.
;;; Code:
@@ -53,6 +54,9 @@
(define-translation-table 'viet-viscii-encode-table
(char-table-extra-slot table 0)))
+;;;
+;;; VSCII is a pre-version of TCVN-5712 and deprecated
+;;;
(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
@@ -78,6 +82,57 @@
(define-translation-table 'viet-vscii-encode-table
(char-table-extra-slot table 0)))
+;; Does not support combining characters in the range [176, 180]
+(defvar viet-tcvn-decode-table
+ [;; TCVN 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 ?,2q(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 ?,1_(B ?,1p(B ?,2"(B
+ 176 177 178 179 180 ?,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 TCVN-5712 decoding table.")
+
+(let ((table (make-translation-table-from-vector viet-tcvn-decode-table)))
+ (define-translation-table 'viet-tcvn-nonascii-translation-table table)
+ (define-translation-table 'viet-tcvn-encode-table
+ (char-table-extra-slot table 0)))
+
+;; (defvar viet-vps-decode-table
+;; [;; VPS is a full 8-bit code.
+;; 0 1 ?,2U(B ?,2'(B ?,2#(B ?,2)(B ?,2.(B 7 8 9 10 11 12 13 14 15
+;; ?,28(B ?,2w(B ?,25(B ?,2~(B ?,2x(B ?,2q(B 22 23 24 ?,2\(B 26 27 ?,2g(B ?,2f(B 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 ?,2$(B ?,2%(B ?,2&(B ?,1w(B ?,12(B ?,2e(B ?,1*(B ?,1+(B ?,1,(B ?,1.(B ?,2!(B ?,2"(B ?,2F(B
+;; ?,2*(B 145 146 ?,2+(B ?,2,(B ?,2-(B ?,2/(B ?,20(B ?,21(B ?,22(B ?,1}(B ?,1V(B ?,1\(B ?,2>(B ?,26(B ?,27(B
+;; 160 ?,1!(B ?,1"(B ?,1F(B ?,1G(B ?,1#(B ?,2^(B ?,1>(B ?,2y(B ?,16(B ?,17(B ?,1^(B ?,2{(B ?,2Q(B ?,1~(B ?,2W(B
+;; ?,11(B ?,2X(B ?,2O(B ?,2[(B ?,2m(B ?,2l(B ?,15(B ?,2o(B ?,2n(B ?,2s(B ?,1X(B ?,1f(B ?,2r(B ?,2v(B ?,2u(B ?,1q(B
+;; ?,1%(B ?,2a(B ?,2b(B ?,1$(B ?,1&(B ?,1g(B ?,1'(B ?,1p(B ?,1k(B ?,2i(B ?,2j(B ?,1)(B ?,1o(B ?,1-(B ?,18(B ?,1[(B
+;; ?,2_(B ?,2|(B ?,10(B ?,1/(B ?,2t(B ?,1v(B ?,1=(B ?,2h(B ?,1W(B ?,1Q(B ?,2z(B ?,1{(B ?,1_(B ?,2}(B ?,2k(B 223
+;; ?,1`(B ?,1a(B ?,1b(B ?,1c(B ?,1d(B ?,1U(B ?,1e(B 231 ?,1h(B ?,1i(B ?,1j(B ?,1((B ?,1l(B ?,1m(B 238 ?,1n(B
+;; ?,2G(B ?,2p(B ?,1r(B ?,1s(B ?,1t(B ?,1u(B 246 ?,2=(B ?,1x(B ?,1y(B ?,1z(B ?,1|(B 252 ?,2V(B ?,2((B ?,1O(B]
+;; "Vietnamese VPS decoding table.")
+;;
+;; (let ((table (make-translation-table-from-vector viet-vps-decode-table)))
+;; (define-translation-table 'viet-vps-nonascii-translation-table table)
+;; (define-translation-table 'viet-vps-encode-table
+;; (char-table-extra-slot table 0)))
+
(define-ccl-program ccl-decode-viscii
`(3
((loop
@@ -130,10 +185,61 @@
(translate-character viet-vscii-encode-table r0 r1))
"CCL program to encode Vietnamese chars to VSCII-1 font.")
+(define-ccl-program ccl-decode-tcvn
+ `(3
+ ((loop
+ (r0 = 0)
+ (read r1)
+ (translate-character viet-tcvn-nonascii-translation-table r0 r1)
+ (write-multibyte-character r0 r1)
+ (repeat))))
+ "CCL program to decode TCVN-5712.")
+
+(define-ccl-program ccl-encode-tcvn
+ `(1
+ ((loop
+ (read-multibyte-character r0 r1)
+ (translate-character viet-tcvn-encode-table r0 r1)
+ (write-repeat r1))))
+ "CCL program to encode TCVN-5712.")
+
+(define-ccl-program ccl-encode-tcvn-font
+ `(0
+ ;; In: R0:vietnamese-viscii-lower/vietnamese-viscii-upper
+ ;; R1:position code
+ ;; Out: R1:font code point
+ (translate-character viet-tcvn-encode-table r0 r1))
+ "CCL program to encode Vietnamese chars to TCVN-5712 font.")
+
+;; (define-ccl-program ccl-decode-vps
+;; `(3
+;; ((loop
+;; (r0 = 0)
+;; (read r1)
+;; (translate-character viet-vps-nonascii-translation-table r0 r1)
+;; (write-multibyte-character r0 r1)
+;; (repeat))))
+;; "CCL program to decode VPS.")
+;;
+;; (define-ccl-program ccl-encode-vps
+;; `(1
+;; ((loop
+;; (read-multibyte-character r0 r1)
+;; (translate-character viet-vps-encode-table r0 r1)
+;; (write-repeat r1))))
+;; "CCL program to encode VPS.")
+;;
+;; (define-ccl-program ccl-encode-vps-font
+;; `(0
+;; ;; In: R0:vietnamese-viscii-lower/vietnamese-viscii-upper
+;; ;; R1:position code
+;; ;; Out: R1:font code point
+;; (translate-character viet-vps-encode-table r0 r1))
+;; "CCL program to encode Vietnamese chars to VPS font.")
(make-coding-system
'vietnamese-viscii 4 ?V
- "8-bit encoding for Vietnamese VISCII 1.1 (MIME:VISCII)."
+ "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)
@@ -143,7 +249,7 @@
(make-coding-system
'vietnamese-vscii 4 ?v
- "8-bit encoding for Vietnamese VSCII-1."
+ "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))))
@@ -151,8 +257,26 @@
(define-coding-system-alias 'vscii 'vietnamese-vscii)
(make-coding-system
+ 'vietnamese-tcvn 4 ?t
+ "8-bit encoding for Vietnamese TCVN-5712"
+ '(ccl-decode-tcvn . ccl-encode-tcvn)
+ '((safe-charsets ascii vietnamese-viscii-lower vietnamese-viscii-upper)
+ (valid-codes (0 . 255))))
+
+(define-coding-system-alias 'tcvn 'vietnamese-tcvn)
+
+;; (make-coding-system
+;; 'vietnamese-vps 4 ?p
+;; "8-bit encoding for Vietnamese VPS"
+;; '(ccl-decode-vps . ccl-encode-vps)
+;; '((safe-charsets ascii vietnamese-viscii-lower vietnamese-viscii-upper)
+;; (valid-codes (0 . 255))))
+;;
+;; (define-coding-system-alias 'vps 'vietnamese-vps)
+
+(make-coding-system
'vietnamese-viqr 0 ?q
- "Encoding for Vietnamese latin transcription (VIQR)."
+ "Vietnamese latin transcription (VIQR)"
nil
'((safe-charsets ascii vietnamese-viscii-lower vietnamese-viscii-upper)
(post-read-conversion . viqr-post-read-conversion)
@@ -170,12 +294,15 @@
(setq font-ccl-encoder-alist
(cons '("vscii" . ccl-encode-vscii-font) font-ccl-encoder-alist))
+(setq font-ccl-encoder-alist
+ (cons '("tcvn" . ccl-encode-tcvn-font) font-ccl-encoder-alist))
+
(set-language-info-alist
"Vietnamese" `((charset vietnamese-viscii-lower vietnamese-viscii-upper)
(nonascii-translation
. ,(get 'viet-viscii-nonascii-translation-table
'translation-table))
- (coding-system vietnamese-viscii vietnamese-vscii
+ (coding-system vietnamese-viscii vietnamese-vscii vietnamese-tcvn
vietnamese-viqr)
(coding-priority vietnamese-viscii)
(input-method . "vietnamese-viqr")
@@ -183,10 +310,13 @@
(features viet-util)
(sample-text . "Vietnamese (Ti,1*(Bng Vi,1.(Bt) Ch,1`(Bo b,1U(Bn")
(documentation . "\
-For Vietnamese, Emacs uses special character sets internally.
-They can be decoded from and encoded to VISCII, 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)")
+For Vietnamese, Emacs uses special charasets internally.
+They can be decoded from and encoded to VISCII, VSCII, TCVN-5712, and
+VIQR. VSCII is deprecated in favour of TCVN-5712. Current setting
+put higher priority to the coding system VISCII than TCVN-5712. If
+you prefer TCVN-5712, please do: (prefer-coding-system 'vietnamese-tcvn).
+There are two Vietnamese input methods: VIQR and Telex, VIQR is the
+default setting.")
))
(provide 'vietnamese)
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