summaryrefslogtreecommitdiff
path: root/lisp/leim/quail/lao.el
blob: af3b5892629f5eb1c3c95799eccfbae8d340ab05 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
;;; lao.el --- Quail package for inputting Lao characters  -*-coding: utf-8;-*-

;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
;;   2006, 2007, 2008, 2009, 2010, 2011
;;   National Institute of Advanced Industrial Science and Technology (AIST)
;;   Registration Number H14PRO021

;; Keywords: multilingual, input method, Lao

;; This file is part of GNU Emacs.

;; GNU Emacs 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 3 of the License, or
;; (at your option) any later version.

;; GNU Emacs 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 GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.

;;; Commentary:

;;; Code:

(require 'quail)
(require 'lao-util)

(defun quail-lao-update-translation (control-flag)
  (if (integerp control-flag)
      ;; Non-composable character typed.
      (setq quail-current-str
	    (buffer-substring (overlay-start quail-overlay)
			      (overlay-end quail-overlay))
	    unread-command-events
	    (append
	     (substring quail-current-key control-flag)
             unread-command-events))
    (setq quail-current-str
	  (compose-string (quail-lookup-map-and-concat quail-current-key))))
  control-flag)

(defvar lao-key-alist
  '(("!" . "1")
    ("\"" . "=")
    ("#" . "3")
    ("$" . "4")
    ("&" . "5")
    ("%" . "໌")
    ("'" . "ງ")
    ("(" . "7")
    (")" . "8")
    ("*" . "6")
    ("+" . ["ໍ່"])
    ("," . "ມ")
    ("-" . "ຊ")
    ("." . "ໃ")
    ("/" . "ຝ")
    ("0" . "ຂ")
    ("1" . "ຢ")
    ("2" . "ຟ")
    ("3" . "ໂ")
    ("4" . "ຖ")
    ("5" . "ຸ")
    ("6" . "ູ")
    ("7" . "ຄ")
    ("8" . "ຕ")
    ("9" . "ຈ")
    (":" . "%")
    (";" . "ວ")
    ("<" . "ໝ")
    ("=" . "ໍ")
    (">" . "$")
    ("?" . ")")
    ("@" . "2")
    ("A" . ["ັ້"])
    ("B" . ["ຶ້"])
    ("C" . "ຯ")
    ("D" . ".")
    ("E" . ["ຳ້"])
    ("F" . ",")
    ("G" . ":")
    ("H" . "໊")
    ("I" . "ຮ")
    ("J" . "໋")
    ("K" . "!")
    ("L" . "?")
    ("M" . "ໆ")
    ("N" . ["ື້"])
    ("O" . "ໜ")
    ("P" . "ຽ")
    ("Q" . ["ົ້"])
    ("R" . "_")
    ("S" . ";")
    ("T" . "+")
    ("U" . ["ີ້"])
    ("V" . "x")
    ("W" . "0")
    ("X" . "(")
    ("Y" . ["ິ້"])
    ("Z" . "\"")
    ("[" . "ບ")
    ("]" . "ລ")
    ("^" . "ຼ")
    ("_" . "9")
    ("`" . "ງ")
    ("a" . "ັ")
    ("b" . "ຶ")
    ("c" . "ແ")
    ("d" . "ກ")
    ("e" . "ຳ")
    ("f" . "ດ")
    ("g" . "ເ")
    ("h" . "້")
    ("i" . "ຣ")
    ("j" . "່")
    ("k" . "າ")
    ("l" . "ສ")
    ("m" . "ທ")
    ("n" . "ື")
    ("o" . "ນ")
    ("p" . "ຍ")
    ("q" . "ົ")
    ("r" . "ພ")
    ("s" . "ຫ")
    ("t" . "ະ")
    ("u" . "ີ")
    ("v" . "ອ")
    ("w" . "ໄ")
    ("x" . "ປ")
    ("y" . "ິ")
    ("z" . "ຜ")
    ("{" . "-")
    ("|" . ["ຫຼ"])
    ("}" . "/")
    ("~" . "໌")
    ("\\0" . "໐")
    ("\\1" . "໑")
    ("\\2" . "໒")
    ("\\3" . "໓")
    ("\\4" . "໔")
    ("\\5" . "໕")
    ("\\6" . "໖")
    ("\\7" . "໗")
    ("\\8" . "໘")
    ("\\9" . "໙")
    )
  "Alist of key sequences vs the corresponding Lao string to input.
This variable is for the input method \"lao\".
If you change the value of this variable while quail/lao is already loaded,
you need to re-load it to properly re-initialize related alists.")

;; Temporary variable to initialize lao-consonant-key-alist, etc.
(defconst lao-key-alist-vector
  (let ((tail lao-key-alist)
	consonant-key-alist semivowel-key-alist vowel-key-alist
	voweltone-key-alist tone-key-alist other-key-alist
	elt phonetic-type)
    (while tail
      (setq elt (car tail) tail (cdr tail))
      (if (stringp (cdr elt))
	  (setq phonetic-type (get-char-code-property (aref (cdr elt) 0)
						      'phonetic-type))
	(setq phonetic-type (get-char-code-property (aref (aref (cdr elt) 0) 0)
						    'phonetic-type))
	(aset (cdr elt) 0 (compose-string (aref (cdr elt) 0))))
      (cond ((eq phonetic-type 'consonant)
	     (setq consonant-key-alist (cons elt consonant-key-alist)))
	    ((memq phonetic-type '(vowel-upper vowel-lower))
	     (if (stringp (cdr elt))
		 (setq vowel-key-alist (cons elt vowel-key-alist))
	       (setq voweltone-key-alist (cons elt voweltone-key-alist))))
	    ((eq  phonetic-type 'tone)
	     (setq tone-key-alist (cons elt tone-key-alist)))
	    ((eq phonetic-type 'semivowel-lower)
	     (setq semivowel-key-alist (cons elt semivowel-key-alist)))
	    (t
	     (setq other-key-alist (cons elt other-key-alist)))))
    (vector consonant-key-alist semivowel-key-alist vowel-key-alist
	    voweltone-key-alist tone-key-alist other-key-alist)))

(defconst lao-consonant-key-alist (aref lao-key-alist-vector 0))
(defconst lao-semivowel-key-alist (aref lao-key-alist-vector 1))
(defconst lao-vowel-key-alist (aref lao-key-alist-vector 2))
(defconst lao-voweltone-key-alist (aref lao-key-alist-vector 3))
(defconst lao-tone-key-alist (aref lao-key-alist-vector 4))
(defconst lao-other-key-alist (aref lao-key-alist-vector 5))

;; Done with it.
(makunbound 'lao-key-alist-vector)

(quail-define-package
 "lao" "Lao" "ລ" t
 "Lao input method simulating Lao keyboard layout based on Thai TIS620"
 nil t t t t nil nil nil 'quail-lao-update-translation nil t)

(quail-install-map
 (quail-map-from-table
  '((base-state (lao-consonant-key-alist . svt-state)
		lao-vowel-key-alist
		lao-voweltone-key-alist
		lao-tone-key-alist
		lao-other-key-alist)
    (svt-state (lao-semivowel-key-alist . v-state)
	       (lao-vowel-key-alist . t-state)
	       lao-voweltone-key-alist
	       lao-tone-key-alist)
    (v-state (lao-vowel-key-alist . t-state))
    (t-state lao-tone-key-alist))))

;;; lao.el ends here