;; 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,2F\e(B 3 4 ?\e,2G\e(B ?\e,2g\e(B 7 8 9 10 11 12 13 14 15
- 16 17 18 19 ?\e,2V\e(B 21 22 23 24 ?\e,2[\e(B 26 27 28 29 ?\e,2\\e(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
- ?\e,2U\e(B ?\e,2!\e(B ?\e,2"\e(B ?\e,2#\e(B ?\e,2$\e(B ?\e,2%\e(B ?\e,2&\e(B ?\e,2'\e(B ?\e,2(\e(B ?\e,2)\e(B ?\e,2*\e(B ?\e,2+\e(B ?\e,2,\e(B ?\e,2-\e(B ?\e,2.\e(B ?\e,2/\e(B
- ?\e,20\e(B ?\e,21\e(B ?\e,22\e(B ?\e,25\e(B ?\e,2~\e(B ?\e,2>\e(B ?\e,26\e(B ?\e,27\e(B ?\e,28\e(B ?\e,2v\e(B ?\e,2w\e(B ?\e,2o\e(B ?\e,2|\e(B ?\e,2{\e(B ?\e,2x\e(B ?\e,2O\e(B
- ?\e,2u\e(B ?\e,1!\e(B ?\e,1"\e(B ?\e,1#\e(B ?\e,1$\e(B ?\e,1%\e(B ?\e,1&\e(B ?\e,1'\e(B ?\e,1(\e(B ?\e,1)\e(B ?\e,1*\e(B ?\e,1+\e(B ?\e,1,\e(B ?\e,1-\e(B ?\e,1.\e(B ?\e,1/\e(B
- ?\e,10\e(B ?\e,11\e(B ?\e,12\e(B ?\e,2^\e(B ?\e,2=\e(B ?\e,15\e(B ?\e,16\e(B ?\e,17\e(B ?\e,18\e(B ?\e,2q\e(B ?\e,2Q\e(B ?\e,2W\e(B ?\e,2X\e(B ?\e,1=\e(B ?\e,1>\e(B ?\e,2_\e(B
- ?\e,2`\e(B ?\e,2a\e(B ?\e,2b\e(B ?\e,2c\e(B ?\e,2d\e(B ?\e,2e\e(B ?\e,1F\e(B ?\e,1G\e(B ?\e,2h\e(B ?\e,2i\e(B ?\e,2j\e(B ?\e,2k\e(B ?\e,2l\e(B ?\e,2m\e(B ?\e,2n\e(B ?\e,1O\e(B
- ?\e,2p\e(B ?\e,1Q\e(B ?\e,2r\e(B ?\e,2s\e(B ?\e,2t\e(B ?\e,1U\e(B ?\e,1V\e(B ?\e,1W\e(B ?\e,1X\e(B ?\e,2y\e(B ?\e,2z\e(B ?\e,1[\e(B ?\e,1\\e(B ?\e,2}\e(B ?\e,1^\e(B ?\e,1_\e(B
- ?\e,1`\e(B ?\e,1a\e(B ?\e,1b\e(B ?\e,1c\e(B ?\e,1d\e(B ?\e,1e\e(B ?\e,1f\e(B ?\e,1g\e(B ?\e,1h\e(B ?\e,1i\e(B ?\e,1j\e(B ?\e,1k\e(B ?\e,1l\e(B ?\e,1m\e(B ?\e,1n\e(B ?\e,1o\e(B
- ?\e,1p\e(B ?\e,1q\e(B ?\e,1r\e(B ?\e,1s\e(B ?\e,1t\e(B ?\e,1u\e(B ?\e,1v\e(B ?\e,1w\e(B ?\e,1x\e(B ?\e,1y\e(B ?\e,1z\e(B ?\e,1{\e(B ?\e,1|\e(B ?\e,1}\e(B ?\e,1~\e(B ?\e,2f\e(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
- [;; VSCII is a full 8-bit code.
- 0 ?\e,2z\e(B ?\e,2x\e(B 3 ?\e,2W\e(B ?\e,2X\e(B ?\e,2f\e(B 7 8 9 10 11 12 13 14 15
- 16 ?\e,2Q\e(B ?\e,2_\e(B ?\e,2O\e(B ?\e,2V\e(B ?\e,2[\e(B ?\e,2}\e(B ?\e,2\\e(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
- ?\e,2`\e(B ?\e,2d\e(B ?\e,2c\e(B ?\e,2a\e(B ?\e,2U\e(B ?\e,2#\e(B ?\e,2'\e(B ?\e,2h\e(B ?\e,2k\e(B ?\e,2(\e(B ?\e,2i\e(B ?\e,2)\e(B ?\e,2.\e(B ?\e,2l\e(B ?\e,2o\e(B ?\e,2n\e(B
- ?\e,2m\e(B ?\e,28\e(B ?\e,2r\e(B ?\e,2v\e(B ?\e,2u\e(B ?\e,2s\e(B ?\e,2w\e(B ?\e,25\e(B ?\e,26\e(B ?\e,27\e(B ?\e,2^\e(B ?\e,2>\e(B ?\e,2~\e(B ?\e,2y\e(B ?\e,2|\e(B ?\e,2{\e(B
- 160 ?\e,2e\e(B ?\e,2b\e(B ?\e,2j\e(B ?\e,2t\e(B ?\e,2=\e(B ?\e,2_\e(B ?\e,2p\e(B ?\e,1e\e(B ?\e,1b\e(B ?\e,1j\e(B ?\e,1t\e(B ?\e,1>\e(B ?\e,1y\e(B ?\e,1p\e(B ?\e,2"\e(B
- 192 193 194 195 196 ?\e,1`\e(B ?\e,1d\e(B ?\e,1c\e(B ?\e,1a\e(B ?\e,1U\e(B ?\e,2F\e(B ?\e,1"\e(B ?\e,1F\e(B ?\e,1G\e(B ?\e,1!\e(B ?\e,2G\e(B
- ?\e,2!\e(B ?\e,2%\e(B ?\e,2&\e(B ?\e,2g\e(B ?\e,2%\e(B ?\e,2+\e(B ?\e,1#\e(B ?\e,1%\e(B ?\e,1&\e(B ?\e,1g\e(B ?\e,1$\e(B ?\e,1'\e(B ?\e,1h\e(B ?\e,2,\e(B ?\e,1k\e(B ?\e,1(\e(B
- ?\e,1i\e(B ?\e,1)\e(B ?\e,1+\e(B ?\e,1,\e(B ?\e,1-\e(B ?\e,1*\e(B ?\e,1.\e(B ?\e,1l\e(B ?\e,1o\e(B ?\e,2-\e(B ?\e,2*\e(B ?\e,20\e(B ?\e,1n\e(B ?\e,1m\e(B ?\e,18\e(B ?\e,1r\e(B
- ?\e,21\e(B ?\e,1v\e(B ?\e,1u\e(B ?\e,1s\e(B ?\e,1w\e(B ?\e,10\e(B ?\e,11\e(B ?\e,12\e(B ?\e,1/\e(B ?\e,15\e(B ?\e,16\e(B ?\e,17\e(B ?\e,1^\e(B ?\e,1>\e(B ?\e,1~\e(B ?\e,1y\e(B
- ?\e,22\e(B ?\e,1|\e(B ?\e,1{\e(B ?\e,1z\e(B ?\e,1x\e(B ?\e,1W\e(B ?\e,1X\e(B ?\e,1f\e(B ?\e,1Q\e(B ?\e,1q\e(B ?\e,1O\e(B ?\e,1V\e(B ?\e,1[\e(B ?\e,1}\e(B ?\e,1\\e(B ?\e,2/\e(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")
-
-;; 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-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-vscii-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.")
-
-
-(make-coding-system
- 'viscii 'ccl
- "Coding-system used for VISCII 1.1."
- `(mnemonic "VISCII"
- decode ,ccl-decode-viscii
- encode ,ccl-encode-viscii))
-
-;; it is not correct, but XEmacs doesn't have `ccl' category...
-(coding-system-put 'viscii 'category 'iso-8-1)
-
-;; (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
- '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"
-;; '(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)
+(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"
+ composite t))
+ (define-coding-system-alias 'tcvn-5712 'vscii-2)
+ )
+
+;;; [tomo] CCL based implementations were moved into viet-ccl.el.
(make-coding-system
'viqr 'no-conversion
;; (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))
-
-;; (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)
- (coding-system viscii vscii viqr)
- (coding-priority viscii)
+ "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,1`\e(Bo b\e,1U\e(Bn")
+ (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.
projects / chise / xemacs-chise.git- / commitdiff