95 lines
3.1 KiB
EmacsLisp
95 lines
3.1 KiB
EmacsLisp
;;; ethiopic.el --- support for Ethiopic -*- coding: utf-8-emacs; lexical-binding: t; -*-
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;; Copyright (C) 1997, 2001-2024 Free Software Foundation, Inc.
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;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
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;; 2005, 2006, 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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;; Keywords: multilingual, Ethiopic
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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 <https://www.gnu.org/licenses/>.
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;; Author: TAKAHASHI Naoto <ntakahas@m17n.org>
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;;; Commentary:
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;; Note: This file includes several codepoints outside of the Unicode
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;; 0..#x10FFFF range, which are characters that were not unified into
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;; Unicode. Therefore, this file is encoded in utf-8-emacs, because
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;; UTF-8 cannot encode such codepoints. We include these codepoints
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;; literally in the file to have them displayed by suitable fonts,
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;; which makes maintenance easier.
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;;; Code:
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(define-ccl-program ccl-encode-ethio-font
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'(0
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;; In: R0:ethiopic (not checked)
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;; R1:position code 1
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;; R2:position code 2
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;; Out: R1:font code point 1
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;; R2:font code point 2
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((r1 -= 33)
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(r2 -= 33)
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(r1 *= 94)
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(r2 += r1)
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(if (r2 < 256)
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(r1 = #x12)
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(if (r2 < 448)
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((r1 = #x13) (r2 -= 256))
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((r1 = #xfd) (r2 -= 208))
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))))
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"CCL program to encode an Ethiopic code to code point of Ethiopic font.")
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(setq font-ccl-encoder-alist
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(cons (cons (purecopy "ethiopic") ccl-encode-ethio-font) font-ccl-encoder-alist))
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(set-language-info-alist
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"Ethiopic" '((setup-function . setup-ethiopic-environment-internal)
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(exit-function . exit-ethiopic-environment)
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(charset ethiopic)
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(coding-system utf-8-emacs)
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(coding-priority utf-8-emacs)
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(input-method . "ethiopic")
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(features ethio-util)
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(sample-text . "ፊደል")
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(documentation .
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"This language environment provides these function key bindings:
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[f3] ethio-fidel-to-sera-buffer
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[S-f3] ethio-fidel-to-sera-region
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[C-f3] ethio-fidel-to-sera-marker
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[f4] ethio-sera-to-fidel-buffer
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[S-f4] ethio-sera-to-fidel-region
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[C-f4] ethio-sera-to-fidel-marker
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[S-f5] ethio-toggle-punctuation
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[S-f6] ethio-modify-vowel
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[S-f7] ethio-replace-space
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[S-f9] ethio-replace-space
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[C-f9] ethio-toggle-space"
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)))
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;; For automatic composition
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(aset composition-function-table ?<3F><EFBFBD><EFBFBD><EFBFBD> #'ethio-composition-function)
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(aset composition-function-table ?፟ #'ethio-composition-function)
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(provide 'ethiopic)
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;;; ethiopic.el ends here
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