2001-11-25 02:40:11 +00:00
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;;; devan-util.el --- Support for composing Devanagari characters
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1997-02-20 07:02:49 +00:00
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2001-11-25 02:40:11 +00:00
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;; Copyright (C) 2001 Free Software Foundation, Inc.
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1997-02-20 07:02:49 +00:00
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2001-11-25 02:40:11 +00:00
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;; Maintainer: KAWABATA, Taichi <batta@beige.ocn.ne.jp>
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;; Keywords: multilingual, Devanagari
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1997-02-20 07:02:49 +00:00
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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 2, or (at your option)
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;; 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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1997-04-07 05:12:16 +00:00
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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1997-02-20 07:02:49 +00:00
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2001-11-25 02:40:11 +00:00
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;; Created: Feb. 17. 2001
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1997-04-05 02:40:11 +00:00
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2001-11-25 02:40:11 +00:00
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;;; Commentary:
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1997-02-20 07:02:49 +00:00
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2001-11-25 02:40:11 +00:00
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;; This file provides character(Unicode) to glyph(CDAC) conversion and
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;; composition of Devanagari script characters.
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1997-02-20 07:02:49 +00:00
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;;; Code:
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2001-11-25 02:40:11 +00:00
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;; Devanagari Composable Pattern
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;; C .. Consonants
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;; V .. Vowel
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;; H .. Halant
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;; M .. Matra
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;; V .. Vowel
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;; A .. Anuswar
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;; D .. Chandrabindu
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;; (N .. Zerowidth Non Joiner)
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;; (J .. Zerowidth Joiner. )
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;; 1. vowel
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;; V(A/D)?
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;; 2. syllable : maximum of 5 consecutive consonants. (e.g. kartsnya)
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;; ((CH)?(CH)?(CH)?CH)?C(MA?|D|H)?
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(defconst devanagari-consonant
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"[$,15U(B-$,15y68(B-$,16?(B]")
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(defconst devanagari-composable-pattern
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(concat
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"\\([$,15E(B-$,15T6@6A(B][$,15A5B(B]?\\)\\|$,15C(B"
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"\\|\\("
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"\\(?:\\(?:[$,15U(B-$,15y68(B-$,16?(B]$,16-(B\\)?\\(?:[$,15U(B-$,15y68(B-$,16?(B]$,16-(B\\)?\\(?:[$,15U(B-$,15y68(B-$,16?(B]$,16-(B\\)?[$,15U(B-$,15y68(B-$,16?(B]$,16-(B\\)?"
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"[$,15U(B-$,15y68(B-$,16?(B]\\(?:$,16-(B\\|[$,15~(B-$,16-6B6C(B]?[$,15B5A(B]?\\)?"
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"\\)")
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"Regexp matching a composable sequence of Devanagari characters.")
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(defun devanagari-compose-region (from to)
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(interactive "r")
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1999-12-15 00:47:53 +00:00
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(save-excursion
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2001-11-25 02:40:11 +00:00
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(save-restriction
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(narrow-to-region from to)
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(goto-char (point-min))
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(while (re-search-forward devanagari-composable-pattern nil t)
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(devanagari-compose-syllable-region (match-beginning 0)
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(match-end 0))))))
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(defun devanagari-compose-string (string)
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(with-temp-buffer
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(insert (decompose-string string))
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(devanagari-compose-region (point-min) (point-max))
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(buffer-string)))
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(defun range (from to)
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"Make the list of the integers of range FROM to TO."
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(let (result)
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(while (<= from to) (setq result (cons to result) to (1- to))) result))
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(defun regexp-of-hashtbl-keys (hashtbl)
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"Returns the regular expression of hashtable keys."
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(let ((max-specpdl-size 1000))
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(regexp-opt
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(sort
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(let (dummy)
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(maphash (function (lambda (key val) (setq dummy (cons key dummy)))) hashtbl)
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dummy)
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(function (lambda (x y) (> (length x) (length y))))))))
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(defun devanagari-composition-function (from to pattern &optional string)
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"Compose Devanagari characters in REGION, or STRING if specified.
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Assume that the REGION or STRING must fully match the composable
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PATTERN regexp."
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(if string (devanagari-compose-syllable-string string)
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(devanagari-compose-syllable-region from to))
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(- to from))
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;; Register a function to compose Devanagari characters.
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(mapc
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(function (lambda (ucs)
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(aset composition-function-table (decode-char 'ucs ucs)
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(list (cons devanagari-composable-pattern
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'devanagari-composition-function)))))
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(nconc '(#x0903) (range #x0905 #x0939) (range #x0958 #x0961)))
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;; Notes on conversion steps.
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;; 1. chars to glyphs
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;;
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;; Rules will not be applied to the halant appeared at the end of the
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;; text. Also, the preceding/following "r" will be treated as special case.
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;; 2. glyphs reordering.
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;;
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;; The glyphs are split by halant, and each glyph groups are
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;; re-ordered in the following order.
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;;
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;; Note that `consonant-glyph' mentioned here does not contain the
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;; vertical bar (right modifier) attached at the right of the
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;; consonant.
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1997-02-20 07:02:49 +00:00
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;;
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2001-11-25 02:40:11 +00:00
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;; If the glyph-group contains right modifier,
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;; (1) consonant-glyphs/vowels, with nukta sign
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;; (2) spacing
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;; (3) right modifier (may be matra)
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;; (4) top matra
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;; (5) preceding "r"
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;; (6) anuswar
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;; (7) following "r"
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;; (8) bottom matra or halant.
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;;
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2001-11-25 02:40:11 +00:00
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;; Otherwise,
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;; (1) consonant-glyph/vowels, with nukta sign
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;; (3) left matra
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;; (4) top matra
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;; (5) preceding "r"
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;; (6) anuswar
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;; (7) following "r"
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;; (8) bottom matra or halant.
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;; (2) spacing
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;; 3. glyph to glyph
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;;
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;; For better display, some glyph display would be tuned.
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;; 4. Composition.
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;;
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;; left modifiers will be attached at the left.
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;; others will be attached right.
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;; Problem::
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;; Can we generalize this methods to other Indian scripts?
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2001-11-26 00:05:57 +00:00
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(defvar dev-char-glyph
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'(("$,15E(B" . "$,4 K(B")
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("$,15F(B" . "$,4 K\"(B)")
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("$,15~(B" . "$,4\"(B)")
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("$,15G(B" . "$,4 \(B")
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2001-11-26 13:11:51 +00:00
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("$,15(B" . "$,4\"(B*")
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("$,155A(B" . "$,4\"(B*\$,4\"(B&")
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2001-11-26 00:05:57 +00:00
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("$,15H(B" . "$,4 \"'(B")
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2001-11-26 13:11:51 +00:00
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("$,15H5A(B" . "$,4 \"'\"(B&")
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("$,16 (B" . "$,4\"(B2")
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2001-11-26 11:39:36 +00:00
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("$,16 5A(B" . "$,4\"2\"&(B")
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2001-11-26 00:05:57 +00:00
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("$,15I(B" . "$,4 ](B")
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2001-11-26 13:11:51 +00:00
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("$,16!(B" . "$,4\"(B6")
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("$,15J(B" . "$,4 ^\"(BP")
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("$,16"(B" . "$,4\"(B:")
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("$,15K(B" . "$,4 `\"(BQ")
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("$,16#(B" . "$,4\"(B>")
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;;("$,15L(B" . nil) ; not implemented.
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("$,16$(B" . "$,4\"(B?")
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("$,15M(B" . "$,4 b\"(BL")
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("$,15M5A(B" . "$,4 b\"(B$")
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("$,15M5B(B" . "$,4 b\"(B$")
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("$,16%(B" . "\$,4\"(BL")
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("$,15N(B" . "$,4 b\"(B@")
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2001-11-26 11:39:36 +00:00
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("$,15N5A(B" . "$,4 b\"@\"&(B")
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2001-11-26 13:11:51 +00:00
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("$,16&(B" . "\$,4\"(B@")
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("$,16&5A(B" . "\$,4\"(B@\$,4\"(B&")
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2001-11-26 00:05:57 +00:00
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("$,15O(B" . "$,4 b(B")
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2001-11-26 13:11:51 +00:00
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("$,16'(B" . "\$,4\"(BD")
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("$,16'5A(B" . "\$,4\"(BD\$,4\"(B&")
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("$,15P(B" . "$,4 b\"(BD")
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2001-11-26 11:39:36 +00:00
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("$,15P5A(B" . "$,4 b\"D\"&(B")
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2001-11-26 13:11:51 +00:00
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("$,16((B" . "\$,4\"(BH")
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("$,16(5A(B" . "\$,4\"(BH\$,4\"(B&")
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2001-11-26 11:39:36 +00:00
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("$,15Q(B" . "$,4 K\")\"L(B") ;; special rule for reodering.
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("$,15Q5A(B" . "$,4 K\")\"$(B")
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("$,15Q5B(B" . "$,4 K\")\"$(B")
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("$,16)(B" . "\$,4\")\"L(B")
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("$,16)5A(B" . "\$,4\")\"$(B")
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("$,16)5B(B" . "\$,4\")\"$(B")
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("$,15R(B" . "$,4 K\")\"@(B")
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2001-11-26 13:11:51 +00:00
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("$,15R5A(B" . "$,4 K\")\"@\"(B&")
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2001-11-26 11:39:36 +00:00
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("$,16*(B" . "\$,4\")\"@(B")
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2001-11-26 13:11:51 +00:00
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("$,16*5A(B" . "\$,4\")\"@\"(B&")
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2001-11-26 11:39:36 +00:00
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("$,15S(B" . "$,4 K\")\"D(B")
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2001-11-26 13:11:51 +00:00
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("$,15S5A(B" . "$,4 K\")\"D\"(B&")
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2001-11-26 11:39:36 +00:00
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("$,16+(B" . "\$,4\")\"D(B")
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2001-11-26 13:11:51 +00:00
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("$,16+5A(B" . "\$,4\")\"D\"(B&")
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2001-11-26 11:39:36 +00:00
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("$,15T(B" . "$,4 K\")\"H(B")
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2001-11-26 13:11:51 +00:00
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("$,15T5A(B" . "$,4 K\")\"H\"(B&")
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2001-11-26 11:39:36 +00:00
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("$,16,(B" . "\$,4\")\"H(B")
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2001-11-26 13:11:51 +00:00
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("$,16,5A(B" . "\$,4\")\"H\"(B&")
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("$,16@(B" . "$,4 a\"(BQ")
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2001-11-26 00:05:57 +00:00
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;;("$,16B(B" . nil)
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;;("$,16A(B" . nil)
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;;("$,16C(B" . nil)
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;; GRUTTALS
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2001-11-26 13:11:51 +00:00
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("$,15U(B" . "$,4 e\"(BR")
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2001-11-26 00:05:57 +00:00
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("$,15U6-(B" . "$,4 c(B")
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2001-11-26 13:11:51 +00:00
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("$,15U6-5p(B" . "$,4 g\"(BR")
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("$,15U6-5d(B" . "$,4 h\"(BR")
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("$,15U6-5w(B" . "$,4 i\"(B)")
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2001-11-26 00:05:57 +00:00
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("$,15U6-5w6-(B" . "$,4 i(B")
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2001-11-26 13:11:51 +00:00
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("$,15V(B" . "$,4 j\"(B)")
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2001-11-26 00:05:57 +00:00
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("$,15V6-(B" . "$,4 j(B")
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2001-11-26 13:11:51 +00:00
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("$,15V6-5p(B" . "$,4 l\"(B)")
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2001-11-26 00:05:57 +00:00
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("$,15V6-5p6-(B" . "$,4 l(B")
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2001-11-26 13:11:51 +00:00
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("$,15W(B" . "$,4 m\"(B)")
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2001-11-26 00:05:57 +00:00
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("$,15W6-(B" . "$,4 m(B")
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2001-11-26 13:11:51 +00:00
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("$,15W6-5p(B" . "$,4 o\"(B)")
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2001-11-26 00:05:57 +00:00
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("$,15W6-5p6-(B" . "$,4 o(B")
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2001-11-26 13:11:51 +00:00
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("$,15X(B" . "$,4 p\"(B)")
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2001-11-26 00:05:57 +00:00
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("$,15X6-(B" . "$,4 p(B")
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2001-11-26 13:11:51 +00:00
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("$,15X6-5p(B" . "$,4 q\"(B)")
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2001-11-26 00:05:57 +00:00
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("$,15X6-5p6-(B" . "$,4 q(B")
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2001-11-26 13:11:51 +00:00
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("$,15Y(B" . "$,4 r\"(BS")
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2001-11-26 00:05:57 +00:00
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;; PALATALS
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2001-11-26 13:11:51 +00:00
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("$,15Z(B" . "$,4 s\"(B)")
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2001-11-26 00:05:57 +00:00
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("$,15Z6-(B" . "$,4 s(B")
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2001-11-26 13:11:51 +00:00
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("$,15Z6-5p(B" . "$,4 t\"(B)")
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2001-11-26 00:05:57 +00:00
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("$,15Z6-5p6-(B" . "$,4 t(B")
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2001-11-26 13:11:51 +00:00
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|
("$,15[(B" . "$,4 u\"(BT")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15\(B" . "$,4 v\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15\6-(B" . "$,4 v(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15\6-5p(B" . "$,4 x\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15\6-5p6-(B" . "$,4 x(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15\6-5^(B" . "$,4 y\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15\6-5^6-(B" . "$,4 y(B")
|
|
|
|
|
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15](B" . "$,4 z\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15]6-(B" . "$,4 z(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15]6-5p(B" . "$,4 {\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15]6-5p6-(B" . "$,4 {(B")
|
|
|
|
|
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15^(B" . "$,4 |\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15^6-(B" . "$,4 |(B")
|
|
|
|
|
;; CEREBRALS
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15_(B" . "$,4 }\"(BU")
|
|
|
|
|
("$,15_6-5_(B" . "$,4 ~\"(BU")
|
|
|
|
|
("$,15_6-5`(B" . "$,4 \"(BU")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15`(B" . "$,4! \"(BV")
|
|
|
|
|
("$,15`6-5`(B" . "$,4!!\"(BV")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
|
2001-11-26 11:39:36 +00:00
|
|
|
|
("$,15a(B" . "$,4!\"\"W(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15a6-5a(B" . "$,4!$\"(BW")
|
|
|
|
|
("$,15a6-5b(B" . "$,4!%\"(BW")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15b(B" . "$,4!&\"(BX")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15c(B" . "$,4!(\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15c6-(B" . "$,4!((B")
|
|
|
|
|
;; DENTALS
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15d(B" . "$,4!)\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15d6-(B" . "$,4!)(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15d6-5p(B" . "$,4!*\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15d6-5p6-(B" . "$,4!*(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15d6-5d(B" . "$,4!+\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15d6-5d6-(B" . "$,4!+(B")
|
|
|
|
|
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15e(B" . "$,4!,\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15e6-(B" . "$,4!,(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15e6-5p(B" . "$,4!-\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15e6-5p6-(B" . "$,4!-(B")
|
|
|
|
|
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15f(B" . "$,4!.\"(BY")
|
|
|
|
|
("$,15f6#(B" . "$,4!/\"(BY")
|
|
|
|
|
("$,15f6-5p(B" . "$,4!0\"(BY")
|
|
|
|
|
("$,15f6-5f(B" . "$,4!1\"(BY")
|
|
|
|
|
("$,15f6-5g(B" . "$,4!2\"(BY")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15f6-5n(B" . "$,4!3(B")
|
|
|
|
|
("$,15f6-5o(B" . "$,4!4(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15f6-5u(B" . "$,4!5\"(BY")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15g(B" . "$,4!6\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15g6-(B" . "$,4!6(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15g6-5p(B" . "$,4!7\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15g6-5p6-(B" . "$,4!7(B")
|
|
|
|
|
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15h(B" . "$,4!8\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15h6-(B" . "$,4!8(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15h6-5p(B" . "$,4!9\"(B)")
|
|
|
|
|
("$,15h6-5p6-(B" . "$,4!9\"(B)")
|
|
|
|
|
("$,15h6-5h(B" . "$,4!:\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15h6-5h6-(B" . "$,4!:(B")
|
|
|
|
|
|
2001-11-26 11:57:02 +00:00
|
|
|
|
("$,15i(B" . "$,4!8\"#\")(B")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
;; LABIALS
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15j(B" . "$,4!;\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15j6-(B" . "$,4!;(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15j6-5p(B" . "$,4!<\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15j6-5p6-(B" . "$,4!<(B")
|
|
|
|
|
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15k(B" . "$,4!a\"(B[")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15k6-(B" . "$,4!=(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15k6-5p(B" . "$,4!c\"(B[")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15l(B" . "$,4!d\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15l6-(B" . "$,4!d(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15l6-5p(B" . "$,4!e\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15l6-5p6-(B" . "$,4!e(B")
|
|
|
|
|
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15m(B" . "$,4!f\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15m6-(B" . "$,4!f(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15m6-5p(B" . "$,4!g\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15m6-5p6-(B" . "$,4!g(B")
|
|
|
|
|
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15n(B" . "$,4!h\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15n6-(B" . "$,4!h(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15n6-5p(B" . "$,4!i\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15n6-5p6-(B" . "$,4!i(B")
|
|
|
|
|
;; SEMIVOWELS
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15o(B" . "$,4!j\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15o6-(B" . "$,4!j(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15o6-5p(B" . "$,4!k\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15o6-5p6-(B" . "$,4!k(B")
|
|
|
|
|
("$,16-5o(B" . "$,4!l(B") ;; when every ohter lig. fails.
|
|
|
|
|
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15p(B" . "$,4!n\"(BW")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
;; ("$,15p6-(B" . "\$,4"'(B") ;; special case. only the topmost pos.
|
2001-11-26 11:57:02 +00:00
|
|
|
|
("$,15q(B" . "$,4!n\"#\"W(B")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15q6-(B" . "$,4!m(B") ;; IS 13194 speical rule.
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15p6!(B" . "$,4!o\"(B[")
|
|
|
|
|
("$,15p6"(B" . "$,4!p\"(B\\")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15r(B" . "$,4!q\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15r6-(B" . "$,4!q(B")
|
|
|
|
|
("$,15s(B" . "$,4!s(B")
|
|
|
|
|
("$,15s6-(B" . "$,4!r(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15t(B" . "$,4!s\"(B#")
|
|
|
|
|
("$,15t6-(B" . "$,4!r\"(B#")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15u(B" . "$,4!t\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15u6-(B" . "$,4!t(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15u6-5p(B" . "$,4!u\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15u6-5p6-(B" . "$,4!u(B")
|
|
|
|
|
;; SIBILANTS
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15v(B" . "$,4!v\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15v6-(B" . "$,4!v(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15v6-5u(B" . "$,4!w\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15v6-5u6-(B" . "$,4!w(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15v6-5p(B" . "$,4!x\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15v6-5p6-(B" . "$,4!x(B")
|
|
|
|
|
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15w(B" . "$,4!y\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15w6-(B" . "$,4!y(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15x(B" . "$,4!z\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15x6-(B" . "$,4!z(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15x6-5p(B" . "$,4!{\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15x6-5p6-(B" . "$,4!{(B")
|
|
|
|
|
|
|
|
|
|
("$,15y(B" . "$,4!}(B")
|
|
|
|
|
("$,15y6-(B" . "$,4!|(B")
|
|
|
|
|
("$,15y6#(B" . "$,4!~(B")
|
|
|
|
|
("$,15y6-5p(B" . "$,4!(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15y6-5n(B" . "$,4\"(B ")
|
|
|
|
|
("$,15y6-5o(B" . "$,4\"(B!")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
;; NUKTAS
|
2001-11-26 11:57:02 +00:00
|
|
|
|
("$,168(B" . "$,4 f\"R\"S(B")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,1686-(B" . "$,4 d(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,169(B" . "$,4 k\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,1696-(B" . "$,4 k(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,16:(B" . "$,4 n\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,16:6-(B" . "$,4 n(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,16;(B" . "$,4 w\"(B)")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,16;6-(B" . "$,4 w(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,16<(B" . "$,4!#\"(BW")
|
|
|
|
|
("$,16=(B" . "$,4!'\"(BX")
|
|
|
|
|
("$,16>(B" . "$,4!b\"(B[")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,16>6-(B" . "$,4!>(B")
|
2001-11-26 11:57:02 +00:00
|
|
|
|
("$,16?(B" . "$,4!j\"#\")(B")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
;; misc modifiers.
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15A(B" . "\$,4\"(B$")
|
|
|
|
|
("$,15B(B" . "\$,4\"(B&")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15C(B" . "$,4 F(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,15|(B" . "$,4\"(B#")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
("$,15}(B" . "$,4 E(B")
|
2001-11-26 11:39:36 +00:00
|
|
|
|
("$,16-(B" . "$,4\"\"(B")
|
2001-11-26 13:11:51 +00:00
|
|
|
|
("$,16-5p(B" . "$,4\"(B%") ;; following "r"
|
2001-11-26 00:05:57 +00:00
|
|
|
|
;; ("$,160(B" . "$,4 D(B")
|
|
|
|
|
;; ("$,16D(B" . "$,4 J(B")
|
|
|
|
|
;; ("$,16F(B" . "")
|
|
|
|
|
;; ("$,16G(B" . "")
|
|
|
|
|
;; ("$,16H(B" . "")
|
|
|
|
|
;; ("$,16I(B" . "")
|
|
|
|
|
;; ("$,16J(B" . "")
|
|
|
|
|
;; ("$,16K(B" . "")
|
|
|
|
|
;; ("$,16L(B" . "")
|
|
|
|
|
;; ("$,16M(B" . "")
|
|
|
|
|
;; ("$,16N(B" . "")
|
|
|
|
|
;; ("$,16O(B" . "")
|
|
|
|
|
)
|
|
|
|
|
"Devanagari characters to glyphs conversion table.
|
|
|
|
|
Default value contains only the basic rules. You may add your own
|
|
|
|
|
preferred rule from the sanskrit fonts." )
|
2001-11-25 02:40:11 +00:00
|
|
|
|
|
|
|
|
|
(defvar dev-char-glyph-hash
|
|
|
|
|
(let* ((hash (makehash 'equal)))
|
|
|
|
|
(mapc (function (lambda (x) (puthash (car x) (cdr x) hash)))
|
|
|
|
|
dev-char-glyph)
|
|
|
|
|
hash))
|
|
|
|
|
|
|
|
|
|
(defvar dev-char-glyph-regexp
|
|
|
|
|
(regexp-of-hashtbl-keys dev-char-glyph-hash))
|
|
|
|
|
|
|
|
|
|
;; glyph-to-glyph conversion table.
|
|
|
|
|
;; it is supposed that glyphs are ordered in
|
|
|
|
|
;; [consonant/nukta] - [matra/halant] - [preceding-r] - [anuswar].
|
|
|
|
|
|
2001-11-26 00:05:57 +00:00
|
|
|
|
(defvar dev-glyph-glyph
|
2001-11-26 13:11:51 +00:00
|
|
|
|
'(("\$,4\"(B'\$,4\"(B&" . "\$,4\"(B(")
|
|
|
|
|
("\$,4\"(B'\$,4\"(B$" . "\$,4\"(B(")
|
|
|
|
|
("$,4\"(B*\$,4\"(B&" . "$,4\"(B+")
|
|
|
|
|
("$,4\"(B*\$,4\"(B'" . "$,4\"(B,")
|
|
|
|
|
("$,4\"(B*\$,4\"(B'\$,4\"(B&" . "$,4\"(B-")
|
|
|
|
|
("$,4\"(B2\$,4\"(B&" . "$,4\"(B3")
|
|
|
|
|
("$,4\"(B2\$,4\"(B'" . "$,4\"(B4")
|
|
|
|
|
("$,4\"(B2\$,4\"(B'\$,4\"(B&" . "$,4\"(B5")
|
|
|
|
|
("$,4\"(B#\$,4\"(B6" . "$,4\"(B7")
|
|
|
|
|
("$,4\"(B%\$,4\"(B6" . "$,4\"(B8")
|
|
|
|
|
;;("$,4\"(B6" . "$,4\"(B9")
|
|
|
|
|
("$,4\"(B#\$,4\"(B:" . "$,4\"(B;")
|
|
|
|
|
("$,4\"(B%\$,4\"(B:" . "$,4\"(B<")
|
|
|
|
|
;;("$,4\"(B:" . "$,4\"(B=")
|
|
|
|
|
("\$,4\"(B@\$,4\"(B&" . "\$,4\"(BA")
|
|
|
|
|
("\$,4\"(B@\$,4\"(B'" . "\$,4\"(BB")
|
|
|
|
|
("\$,4\"(B@\$,4\"(B'\$,4\"(B&" . "\$,4\"(BC")
|
|
|
|
|
("\$,4\"(BD\$,4\"(B&" . "\$,4\"(BE")
|
|
|
|
|
("\$,4\"(BD\$,4\"(B'" . "\$,4\"(BF")
|
|
|
|
|
("\$,4\"(BD\$,4\"(B'\$,4\"(B&" . "\$,4\"(BG")
|
|
|
|
|
("\$,4\"(BH\$,4\"(B&" . "\$,4\"(BI")
|
|
|
|
|
("\$,4\"(BH\$,4\"(B'" . "\$,4\"(BJ")
|
|
|
|
|
("\$,4\"(BH\$,4\"(B'\$,4\"(B&" . "\$,4\"(BK")
|
|
|
|
|
("\$,4\"(BL\$,4\"(B&" . "\$,4\"(BM")
|
|
|
|
|
("\$,4\"(BL\$,4\"(B'" . "\$,4\"(BN")
|
|
|
|
|
("\$,4\"(BL\$,4\"(B'\$,4\"(B&" . "\$,4\"(BO")
|
2001-11-26 00:05:57 +00:00
|
|
|
|
))
|
2001-11-25 02:40:11 +00:00
|
|
|
|
(defvar dev-glyph-glyph-hash
|
|
|
|
|
(let* ((hash (makehash 'equal)))
|
|
|
|
|
(mapc (function (lambda (x) (puthash (car x) (cdr x) hash)))
|
|
|
|
|
dev-glyph-glyph)
|
|
|
|
|
hash))
|
|
|
|
|
(defvar dev-glyph-glyph-regexp
|
|
|
|
|
(regexp-of-hashtbl-keys dev-glyph-glyph-hash))
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
;; yet another glyph-to-glyph conversions.
|
2001-11-26 00:05:57 +00:00
|
|
|
|
(defvar dev-glyph-glyph-2
|
2001-11-26 13:11:51 +00:00
|
|
|
|
'(("$,4\"(B*" . "$,4\"(B.")
|
|
|
|
|
("$,4\"(B+" . "$,4\"(B/")
|
|
|
|
|
("$,4\"(B," . "$,4\"(B0")
|
|
|
|
|
("$,4\"(B-" . "$,4\"(B1")))
|
2001-11-25 02:40:11 +00:00
|
|
|
|
(defvar dev-glyph-glyph-2-hash
|
|
|
|
|
(let* ((hash (makehash 'equal)))
|
|
|
|
|
(mapc (function (lambda (x) (puthash (car x) (cdr x) hash)))
|
|
|
|
|
dev-glyph-glyph-2)
|
|
|
|
|
hash))
|
|
|
|
|
(defvar dev-glyph-glyph-2-regexp
|
|
|
|
|
(regexp-of-hashtbl-keys dev-glyph-glyph-2-hash))
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(defun dev-charseq (from &optional to)
|
|
|
|
|
(if (null to) (setq to from))
|
|
|
|
|
(mapcar (function (lambda (x) (indian-glyph-char x 'devanagari)))
|
|
|
|
|
(range from to)))
|
|
|
|
|
|
|
|
|
|
(defvar dev-glyph-cvn
|
|
|
|
|
(append
|
|
|
|
|
(dev-charseq #x2b)
|
|
|
|
|
(dev-charseq #x3c #xc1)
|
|
|
|
|
(dev-charseq #xc3))
|
|
|
|
|
"Devanagari Consonants/Vowels/Nukta Glyphs")
|
|
|
|
|
|
|
|
|
|
(defvar dev-glyph-space
|
|
|
|
|
(dev-charseq #xf0 #xfe)
|
|
|
|
|
"Devanagari Spacing Glyphs")
|
|
|
|
|
|
|
|
|
|
(defvar dev-glyph-right-modifier
|
|
|
|
|
(append
|
|
|
|
|
(dev-charseq #xc9)
|
|
|
|
|
(dev-charseq #xd2 #xd5))
|
|
|
|
|
"Devanagari Modifiers attached at the right side.")
|
|
|
|
|
|
|
|
|
|
(defvar dev-glyph-right-modifier-regexp
|
|
|
|
|
(concat "[" dev-glyph-right-modifier "]"))
|
|
|
|
|
|
|
|
|
|
(defvar dev-glyph-left-matra
|
|
|
|
|
(dev-charseq #xca #xd1)
|
|
|
|
|
"Devanagari Matras attached at the left side.")
|
|
|
|
|
|
|
|
|
|
(defvar dev-glyph-top-matra
|
|
|
|
|
(dev-charseq #xe0 #xef)
|
|
|
|
|
"Devanagari Matras attached at the top side.")
|
|
|
|
|
|
|
|
|
|
(defvar dev-glyph-bottom-modifier
|
|
|
|
|
(append
|
|
|
|
|
(dev-charseq #xd6 #xdf)
|
|
|
|
|
(dev-charseq #xc2))
|
|
|
|
|
"Devanagari Modifiers attached at the bottom.")
|
|
|
|
|
|
|
|
|
|
(defvar dev-glyph-order
|
|
|
|
|
`((,dev-glyph-cvn . 1)
|
|
|
|
|
(,dev-glyph-space . 2)
|
|
|
|
|
(,dev-glyph-right-modifier . 3)
|
|
|
|
|
(,dev-glyph-left-matra . 3) ;; processed by reference point.
|
|
|
|
|
(,dev-glyph-top-matra . 4)
|
|
|
|
|
(,(dev-charseq #xc7 #xc8) . 5)
|
|
|
|
|
(,(dev-charseq #xc6) . 6)
|
|
|
|
|
(,(dev-charseq #xc5) . 7)
|
|
|
|
|
(,dev-glyph-bottom-modifier . 8)))
|
|
|
|
|
|
|
|
|
|
(mapc
|
|
|
|
|
(function (lambda (x)
|
|
|
|
|
(mapc
|
|
|
|
|
(function (lambda (y)
|
|
|
|
|
(put-char-code-property y 'composition-order (cdr x))))
|
|
|
|
|
(car x))))
|
|
|
|
|
dev-glyph-order)
|
|
|
|
|
|
|
|
|
|
(mapc
|
|
|
|
|
(function (lambda (x)
|
|
|
|
|
(put-char-code-property x 'reference-point '(3 . 5))))
|
|
|
|
|
dev-glyph-left-matra)
|
|
|
|
|
|
|
|
|
|
(defun devanagari-compose-syllable-string (string)
|
|
|
|
|
(with-temp-buffer
|
|
|
|
|
(insert (decompose-string string))
|
|
|
|
|
(devanagari-compose-syllable-region (point-min) (point-max))
|
|
|
|
|
(buffer-string)))
|
|
|
|
|
|
2001-11-26 00:05:57 +00:00
|
|
|
|
(defun devanagari-compose-syllable-region (from to)
|
|
|
|
|
"Compose devanagari syllable in region FROM to TO."
|
|
|
|
|
(let ((glyph-str nil) (cons-num 0) glyph-str-list
|
|
|
|
|
(last-halant nil) (preceding-r nil) (last-modifier nil)
|
|
|
|
|
(last-char (char-before to)) match-str
|
|
|
|
|
glyph-block split-pos)
|
|
|
|
|
(save-excursion
|
|
|
|
|
(save-restriction
|
|
|
|
|
;;; *** char-to-glyph conversion ***
|
|
|
|
|
;; Special rule 1. -- Last halant must be preserved.
|
|
|
|
|
(if (eq last-char ?$,16-(B)
|
|
|
|
|
(progn
|
|
|
|
|
(setq last-halant t)
|
|
|
|
|
(narrow-to-region from (1- to)))
|
|
|
|
|
(narrow-to-region from to)
|
|
|
|
|
;; note if the last char is modifier.
|
|
|
|
|
(if (or (eq last-char ?$,15A(B) (eq last-char ?$,15B(B))
|
|
|
|
|
(setq last-modifier t)))
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
;; Special rule 2. -- preceding "r halant" must be modifier.
|
|
|
|
|
(when (looking-at "$,15p6-(B.")
|
|
|
|
|
(setq preceding-r t)
|
|
|
|
|
(goto-char (+ 2 (point))))
|
|
|
|
|
;; translate the rest characters into glyphs
|
|
|
|
|
(while (re-search-forward dev-char-glyph-regexp nil t)
|
|
|
|
|
(setq match-str (match-string 0))
|
|
|
|
|
(setq glyph-str
|
|
|
|
|
(concat glyph-str
|
|
|
|
|
(gethash match-str dev-char-glyph-hash)))
|
|
|
|
|
;; count the number of consonant-glyhs.
|
|
|
|
|
(if (string-match devanagari-consonant match-str)
|
|
|
|
|
(setq cons-num (1+ cons-num))))
|
|
|
|
|
;; preceding-r must be attached before the anuswar if exists.
|
|
|
|
|
(if preceding-r
|
|
|
|
|
(if last-modifier
|
|
|
|
|
(setq glyph-str (concat (substring glyph-str 0 -1)
|
2001-11-26 13:11:51 +00:00
|
|
|
|
"$,4\"(B'" (substring glyph-str -1)))
|
|
|
|
|
(setq glyph-str (concat glyph-str "$,4\"(B'"))))
|
2001-11-26 11:50:26 +00:00
|
|
|
|
(if last-halant (setq glyph-str (concat glyph-str "$,4\"\"(B")))
|
2001-11-26 00:05:57 +00:00
|
|
|
|
;;; *** glyph-to-glyph conversion ***
|
|
|
|
|
(when (string-match dev-glyph-glyph-regexp glyph-str)
|
|
|
|
|
(setq glyph-str
|
|
|
|
|
(replace-match (gethash (match-string 0 glyph-str)
|
|
|
|
|
dev-glyph-glyph-hash)
|
|
|
|
|
nil t glyph-str))
|
|
|
|
|
(if (and (> cons-num 1)
|
|
|
|
|
(string-match dev-glyph-glyph-2-regexp glyph-str))
|
|
|
|
|
(setq glyph-str
|
|
|
|
|
(replace-match (gethash (match-string 0 glyph-str)
|
|
|
|
|
dev-glyph-glyph-2-hash)
|
|
|
|
|
nil t glyph-str))))
|
|
|
|
|
;;; *** glyph reordering ***
|
2001-11-26 11:50:26 +00:00
|
|
|
|
(while (setq split-pos (string-match "$,4\"\"(B\\|.$" glyph-str))
|
2001-11-26 00:05:57 +00:00
|
|
|
|
(setq glyph-block (substring glyph-str 0 (1+ split-pos)))
|
|
|
|
|
(setq glyph-str (substring glyph-str (1+ split-pos)))
|
|
|
|
|
(setq
|
|
|
|
|
glyph-block
|
|
|
|
|
(if (string-match dev-glyph-right-modifier-regexp glyph-block)
|
|
|
|
|
(sort (string-to-list glyph-block)
|
|
|
|
|
(function (lambda (x y)
|
|
|
|
|
(< (get-char-code-property x 'composition-order)
|
|
|
|
|
(get-char-code-property y 'composition-order)))))
|
|
|
|
|
(sort (string-to-list glyph-block)
|
|
|
|
|
(function (lambda (x y)
|
|
|
|
|
(let ((xo (get-char-code-property x 'composition-order))
|
|
|
|
|
(yo (get-char-code-property y 'composition-order)))
|
|
|
|
|
(if (= xo 2) nil (if (= yo 2) t (< xo yo)))))))))
|
|
|
|
|
(setq glyph-str-list (nconc glyph-str-list glyph-block)))
|
|
|
|
|
;; concatenate and attach reference-points.
|
|
|
|
|
(setq glyph-str
|
|
|
|
|
(cdr
|
|
|
|
|
(apply
|
|
|
|
|
'nconc
|
|
|
|
|
(mapcar
|
|
|
|
|
(function (lambda (x)
|
|
|
|
|
(list
|
|
|
|
|
(or (get-char-code-property x 'reference-point)
|
|
|
|
|
'(5 . 3) ;; default reference point.
|
|
|
|
|
)
|
|
|
|
|
x)))
|
|
|
|
|
glyph-str-list))))))
|
|
|
|
|
(compose-region from to glyph-str)))
|
1997-02-20 07:02:49 +00:00
|
|
|
|
|
1997-06-18 13:06:17 +00:00
|
|
|
|
(provide 'devan-util)
|