-;;; vietnamese.el --- Support for Vietnamese
+;;; vietnamese.el --- Support for Vietnamese -*- coding: iso-2022-7bit; -*-
;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
;; Licensed to the Free Software Foundation.
-;; Copyright (C) 1997 MORIOKA Tomohiko
+;; Copyright (C) 1997,2000 MORIOKA Tomohiko
;; Keywords: multilingual, Vietnamese
;;; Code:
-(eval-and-compile
-
-(defvar viet-viscii-decode-table
- [;; VISCII is a full 8-bit code.
- 0 1 ?\e.2\eNF 3 4 ?\eNG ?\eNg 7 8 9 10 11 12 13 14 15
- 16 17 18 19 ?\e.2\eNV 21 22 23 24 ?\eN[ 26 27 28 29 ?\eN\ 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
- ?\e.2\eNU ?\eN! ?\eN" ?\eN# ?\eN$ ?\eN% ?\eN& ?\eN' ?\eN( ?\eN) ?\eN* ?\eN+ ?\eN, ?\eN- ?\eN. ?\eN/
- ?\e.2\eN0 ?\eN1 ?\eN2 ?\eN5 ?\eN~ ?\eN> ?\eN6 ?\eN7 ?\eN8 ?\eNv ?\eNw ?\eNo ?\eN| ?\eN{ ?\eNx ?\eNO
- ?\e.2\eNu ?\e.1\eN! ?\eN" ?\eN# ?\eN$ ?\eN% ?\eN& ?\eN' ?\eN( ?\eN) ?\eN* ?\eN+ ?\eN, ?\eN- ?\eN. ?\eN/
- ?\e.1\eN0 ?\eN1 ?\eN2 ?\e.2\eN^ ?\eN= ?\e.1\eN5 ?\eN6 ?\eN7 ?\eN8 ?\e.2\eNq ?\eNQ ?\eNW ?\eNX ?\e.1\eN= ?\eN> ?\e.2\eN_
- ?\e.2\eN` ?\eNa ?\eNb ?\eNc ?\eNd ?\eNe ?\e.1\eNF ?\eNG ?\e.2\eNh ?\eNi ?\eNj ?\eNk ?\eNl ?\eNm ?\eNn ?\e.1\eNO
- ?\e.2\eNp ?\e.1\eNQ ?\e.2\eNr ?\eNs ?\eNt ?\e.1\eNU ?\eNV ?\eNW ?\eNX ?\e.2\eNy ?\eNz ?\e.1\eN[ ?\eN\ ?\e.2\eN} ?\e.1\eN^ ?\eN_
- ?\e.1\eN` ?\eNa ?\eNb ?\eNc ?\eNd ?\eNe ?\eNf ?\eNg ?\eNh ?\eNi ?\eNj ?\eNk ?\eNl ?\eNm ?\eNn ?\eNo
- ?\e.1\eNp ?\eNq ?\eNr ?\eNs ?\eNt ?\eNu ?\eNv ?\eNw ?\eNx ?\eNy ?\eNz ?\eN{ ?\eN| ?\eN} ?\eN~ ?\e.2\eNf ]
- "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-or-char-int (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
- [;; VSCII is a full 8-bit code.
- 0 ?\e.2\eNz ?\eNx 3 ?\eNW ?\eNX ?\eNf 7 8 9 10 11 12 13 14 15
- 16 ?\e.2\eNQ ?\eN_ ?\eNO ?\eNV ?\eN[ ?\eN} ?\eN\ 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
- ?\e.2\eN` ?\eNd ?\eNc ?\eNa ?\eNU ?\eN# ?\eN' ?\eNh ?\eNk ?\eN( ?\eNi ?\eN) ?\eN. ?\eNl ?\eNo ?\eNn
- ?\e.2\eNm ?\eN8 ?\eNr ?\eNv ?\eNu ?\eNs ?\eNw ?\eN5 ?\eN6 ?\eN7 ?\eN^ ?\eN> ?\eN~ ?\eNy ?\eN| ?\eN{
- 160 ?\e.2\eNe ?\eNb ?\eNj ?\eNt ?\eN= ?\eN_ ?\eNp ?\e.1\eNe ?\eNb ?\eNj ?\eNt ?\eN> ?\eNy ?\eNp ?\e.2\eN"
- 192 193 194 195 196 ?\e.1\eN` ?\eNd ?\eNc ?\eNa ?\eNU ?\e.2\eNF ?\e.1\eN" ?\eNF ?\eNG ?\eN! ?\e.2\eNG
- ?\e.2\eN! ?\eN% ?\eN& ?\eNg ?\eN% ?\eN+ ?\e.1\eN# ?\eN% ?\eN& ?\eNg ?\eN$ ?\eN' ?\eNh ?\e.2\eN, ?\e.1\eNk ?\eN(
- ?\e.1\eNi ?\eN) ?\eN+ ?\eN, ?\eN- ?\eN* ?\eN. ?\eNl ?\eNo ?\e.2\eN- ?\eN* ?\eN0 ?\e.1\eNn ?\eNm ?\eN8 ?\eNr
- ?\e.2\eN1 ?\e.1\eNv ?\eNu ?\eNs ?\eNw ?\eN0 ?\eN1 ?\eN2 ?\eN/ ?\eN5 ?\eN6 ?\eN7 ?\eN^ ?\eN> ?\eN~ ?\eNy
- ?\e.2\eN2 ?\e.1\eN| ?\eN{ ?\eNz ?\eNx ?\eNW ?\eNX ?\eNf ?\eNQ ?\eNq ?\eNO ?\eNV ?\eN[ ?\eN} ?\eN\ ?\e.2\eN/]
- "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-or-char-int (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")
-
-;; 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'.
-
-(defvar leading-code-private-11 #x9E)
-
-(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-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-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)
- ;; 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-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.")
+(when (featurep 'utf-2000)
+ (make-coding-system
+ 'vscii-2 'iso2022
+ "TCVN 5712 (VSCII 2)."
+ '(charset-g0 ascii
+ charset-g1 latin-tcvn5712
+ charset-g2 t ;; unspecified but can be used later.
+ short t
+ mnemonic "VIET/ISO8"))
+ (define-coding-system-alias 'tcvn-5712 'vscii-2)
+ )
-
-(make-coding-system
- 'viscii 'ccl
- "Coding-system used for VISCII 1.1."
- `(mnemonic "VISCII"
- decode ,ccl-decode-viscii
- encode ,ccl-encode-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-decode-vscii
- encode ,ccl-encode-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)
+;;; [tomo] CCL based implementations were moved into viet-ccl.el.
(make-coding-system
'viqr 'no-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)
+;; 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)
-;; For VISCII users
-(set-charset-ccl-program 'vietnamese-viscii-lower
- ccl-encode-viscii-font)
-(set-charset-ccl-program 'vietnamese-viscii-upper
- ccl-encode-viscii-font)
-;; For VSCII users
-(set-charset-ccl-program 'vietnamese-viscii-lower ccl-encode-vscii-font)
-(set-charset-ccl-program 'vietnamese-viscii-upper ccl-encode-vscii-font)
-
-;; (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\e.1\eN*ng Vi\eN.t) Ch\eN`o b\eNUn")
+ "Vietnamese" `((charset vietnamese-viscii-lower vietnamese-viscii-upper)
+ ,(if (find-coding-system 'vscii-2)
+ ;; viscii will be supported in UTF-2000
+ '(coding-system vscii-2 viqr)
+ '(coding-system viscii vscii viqr))
+ ,(if (find-coding-system 'vscii-2)
+ '(coding-priority vscii-2)
+ '(coding-priority viscii))
+ (input-method . "vietnamese-viqr")
+ (features viet-util)
+ (sample-text . "Vietnamese (Ti\e,1*\e(Bng Vi\e,1.\e(Bt) Ch\e,A`\e(Bo b\e,1U\e(Bn")
(documentation . "\
-For Vietnamese, Emacs uses special charasets internally.
-They can be decoded from and encoded to VISCC, VSCII, and VIQR.")
+For Vietnamese, Emacs uses special charsets 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)")
))
;;; vietnamese.el ends here
projects / chise / xemacs-chise.git.1 / blobdiff