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;;; lao.el --- Quail package for inputting Lao characters -*- lexical-binding: t; -*-
;; 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
|
