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c052c904ff
Same comments as per 2012-05-01T06:59:34Z!rgm@gnu.org, for lisp/term: Not that compiling these will bring any noticeable speed benefit, but there's really no reason not to compile them. The extra disk space and build time is negligible, and it might reveal use of obsolete functions, bugs, etc.
86 lines
2.8 KiB
EmacsLisp
86 lines
2.8 KiB
EmacsLisp
;;; lao.el --- support for Lao -*- coding: utf-8 -*-
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;; Copyright (C) 2001-2012 Free Software Foundation, Inc.
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;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
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;; 2007, 2008, 2009, 2010, 2011
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;; National Institute of Advanced Industrial Science and Technology (AIST)
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;; Registration Number H14PRO021
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;; Copyright (C) 2003
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;; National Institute of Advanced Industrial Science and Technology (AIST)
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;; Registration Number H13PRO009
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;; Keywords: multilingual, Lao
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(define-coding-system 'lao
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"8-bit encoding for ASCII (MSB=0) and LAO (MSB=1)."
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:coding-type 'charset
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:mnemonic ?L
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:charset-list '(lao))
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(set-language-info-alist
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"Lao" '((charset lao)
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(coding-system lao)
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(coding-priority lao)
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(input-method . "lao")
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(unibyte-display . lao)
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(features lao-util)
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(documentation . t)))
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(let ((consonant "ກ-ຮໜໝ")
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(tone "່-໌")
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(vowel-upper-lower "ັິ-ົໍ")
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(semivowel-lower "ຼ")
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(fallback-rule [nil 0 compose-gstring-for-graphic]))
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;; target characters regexp
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;; ----------------- ------
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(dolist (l `((,vowel-upper-lower . "[c].[t]?")
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(,tone . "[c].")
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(,semivowel-lower . "[c].[v][t]?")
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(,semivowel-lower . "[c].[t]")))
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(let* ((chars (car l))
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(len (length chars))
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;; Replace `c', `t', `v' to consonant, tone, and vowel.
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(regexp (mapconcat #'(lambda (c)
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(cond ((= c ?c) consonant)
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((= c ?t) tone)
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((= c ?v) vowel-upper-lower)
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(t (string c))))
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(cdr l) ""))
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;; Element of composition-function-table.
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(elt (list (vector regexp 1 'lao-composition-function)
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fallback-rule))
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ch)
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(dotimes (i len)
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(setq ch (aref chars i))
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(if (and (> i 1) (= (aref chars (1- i)) ?-))
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;; End of character range.
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(set-char-table-range composition-function-table
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(cons (aref chars (- i 2)) ch) elt)
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(if (or (= (1+ i) len)
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(and (/= ch ?-) (/= (aref chars (1+ i)) ?-)))
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;; A character not forming a range.
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(set-char-table-range composition-function-table ch elt)))))))
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(provide 'lao)
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;;; lao.el ends here
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