--- /dev/null
+;; quail/indian.el -- Quail packages for inputting Indian
+
+;; Copyright (C) 2000, 2001 Free Software Foundation, Inc.
+
+;; Author: KAWABATA, Taichi <kawabata@m17n.org>
+
+;; Keywords: multilingual, input method, Indian, Devanagari
+
+;; 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 2, 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; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Commentary:
+
+;; History:
+
+;; 2000.12.12
+;; Totally re-written from devanagari.el to handle multiple Inidan Scripts.
+
+;;; Code:
+
+(require 'cl)
+(require 'quail)
+(require 'devan-util)
+(require 'ind-util)
+
+(defun quail-indian-preceding-char-position (position)
+ "Return the position of preceding composite character."
+ (let (prec-composed)
+ (if (char-valid-p (char-before position)) ;; range o.k.
+ (if (setq prec-composed (find-composition (1- position)))
+ (car prec-composed)
+ (1- position))
+ nil)))
+
+(defvar quail-indian-update-preceding-char nil)
+(make-variable-frame-local 'quail-indian-update-preceding-char)
+
+;;; update function
+
+;; CONTROL-FLAG is integer (n)
+;; quail-current-key :: keyboard input.
+;; Only first n can be translated.
+;; quail-current-string :: corresonding string. Translated when last
+;; time CONTROL-FLAG is nil.
+;; todo :: (1) put last (len-n) char to unrread-command-event.
+;; (2) put translated string to quail-current-string.
+;;
+;; CONTROL-FLAG is t (terminate) or nil (proceed the translation)
+;; quail-current-key :: keyboard input.
+;; quail-current-string :: corresponding string. Created by database.
+;; todo :: (1) put modified translated string to quail-current-string.
+
+(defun quail-indian-update-translation (control-flag)
+ ;;(message "input control-flag=%s, string=%s, key=%s"
+ ;; control-flag quail-current-str quail-current-key)
+ ;; make quail-current-str string when possible.
+ (if (char-valid-p quail-current-str)
+ (setq quail-current-str (char-to-string quail-current-str)))
+ ;; reset quail-indian-update-preceding-char if it's initial.
+ (if (= (overlay-start quail-overlay) (overlay-end quail-overlay))
+ (setq quail-indian-update-preceding-char nil))
+ ;; set quial-indian-update-preceding-char if appropriate.
+ (let* (prec-char-position composition-regexp
+ prec-char-str candidate-str match-pos match-end)
+ (when (and quail-current-str
+ (null input-method-use-echo-area)
+ (null input-method-exit-on-first-char)
+ (setq prec-char-position
+ (quail-indian-preceding-char-position
+ (overlay-start quail-overlay)))
+ (setq composition-regexp
+ (if prec-char-position
+ (caar (elt composition-function-table
+ (char-after prec-char-position)))))
+ ;; (null quail-indian-update-preceding-char)
+ (setq prec-char-str
+ (buffer-substring prec-char-position
+ (overlay-start quail-overlay))
+ candidate-str (concat prec-char-str quail-current-str)
+ match-pos (string-match composition-regexp candidate-str)
+ match-end (match-end 0))
+ (> match-end (length prec-char-str)))
+ (setq quail-indian-update-preceding-char prec-char-str)
+ (delete-region prec-char-position
+ (overlay-start quail-overlay))))
+ ;; make quail-current-str string when possible.
+ (if (null quail-current-str)
+ (setq quail-current-str ""))
+ ;; set quail-current-str unless control-flag is number.
+ (if (numberp control-flag)
+ (setq quail-indian-update-preceding-char nil
+ quail-current-str
+ (if (equal quail-current-str "")
+ (substring quail-current-key 0 control-flag)
+ (indian-compose-string quail-current-str))
+ unread-command-events
+ (string-to-list
+ (substring quail-current-key control-flag)))
+ (if quail-indian-update-preceding-char
+ (setq quail-current-str
+ (concat quail-indian-update-preceding-char
+ quail-current-str)))
+ (setq quail-current-str
+ (indian-compose-string quail-current-str)))
+ (when (eq t control-flag)
+ ;; reset preceding-char if translation is terminated.
+ (setq quail-indian-update-preceding-char nil))
+ ;; compose to previous char if it looks possible.
+ ;;(message " out control-flag=%s, string=%s, key=%s"
+ ;; control-flag quail-current-str quail-current-key)
+ control-flag)
+
+;;;
+;;; Input by transliteration
+;;;
+
+(defun quail-define-indian-trans-package (hashtbls pkgname
+ lang title doc)
+ (funcall 'quail-define-package pkgname lang title t doc
+ nil nil nil nil nil nil t nil
+ 'quail-indian-update-translation)
+ (maphash
+ '(lambda (key val)
+ (quail-defrule key (if (= (length val) 1)
+ (string-to-char val)
+ (vector val))))
+ (cdr hashtbls)))
+
+;;
+
+;; (quail-define-package "devanagari-itrans" "Devanagari" "DevIT" t "Devanagari ITRANS")
+(quail-define-indian-trans-package
+ indian-dev-itrans-v5-hash "devanagari-itrans" "Devanagari" "DevIT"
+ "Devanagari transliteration by ITRANS method.")
+
+;; (quail-define-package "devanagari-kyoto-harvard" "Devanagari" "DevKH" t "Devanagari Kyoto-Harvard")
+(quail-define-indian-trans-package
+ indian-dev-kyoto-harvard-hash
+ "devanagari-kyoto-harvard" "Devanagari" "DevKH"
+ "Devanagari transliteration by Kyoto-Harvard method.")
+
+;; (quail-define-package "devanagari-aiba" "Devanagari" "DevAB" t "Devanagari Aiba")
+(quail-define-indian-trans-package
+ indian-dev-aiba-hash "devanagari-aiba" "Devanagari" "DevAB"
+ "Devanagari transliteration by Aiba-method.")
+
+;;;
+;;; Input by Inscript
+;;;
+
+(defun flatten-list (lst)
+ "Flatten the nested LIST so that there would be no innner list."
+ (if (listp lst)
+ (apply 'append (mapcar 'flatten-list lst))
+ (list lst)))
+
+(defun quail-define-inscript-package (char-table key-table pkgname lang title
+ docstring)
+ (setq char-table (flatten-list char-table))
+ (setq key-table (flatten-list key-table))
+ (funcall 'quail-define-package pkgname lang title nil docstring
+ nil nil nil nil nil nil nil nil
+ 'quail-indian-update-translation
+ )
+ (mapcar*
+ '(lambda (key val)
+ (and key val
+ (quail-defrule
+ (if (char-valid-p key) (char-to-string key) key)
+ (if (stringp val) (vector val) val))))
+ key-table char-table))
+
+;;
+
+(defvar inscript-dev-keytable
+ '(
+ (;; VOWELS (18)
+ (?D nil) (?E ?e) (?F ?f) (?R ?r) (?G ?g) (?T ?t)
+ (?+ ?=) ("F]" "f]") (?! ?@) (?Z ?z) (?S ?s) (?W ?w)
+ (?| ?\\) (?~ ?`) (?A ?a) (?Q ?q) ("+]" "=]") ("R]" "r]"))
+ (;; CONSONANTS (42)
+ ?k ?K ?i ?I ?U ;; GRUTTALS
+ ?\; ?: ?p ?P ?} ;; PALATALS
+ ?' ?\" ?\[ ?{ ?C ;; CEREBRALS
+ ?l ?L ?o ?O ?v ?V ;; DENTALS
+ ?h ?H ?y ?Y ?c ;; LABIALS
+ ?/ ?j ?J ?n ?N "N]" ?b ;; SEMIVOWELS
+ ?M ?< ?m ?u ;; SIBILANTS
+ "k]" "K]" "i]" "p]" "[]" "{]" "H]" "/]" ;; NUKTAS
+ ?% ?&)
+ (;; Misc Symbols (7)
+ ?X ?x ?_ ">]" ?d "X]" ?>)
+ (;; Digits
+ ?0 ?1 ?2 ?3 ?4 ?5 ?6 ?7 ?8 ?9)
+ (;; Inscripts
+ ?# ?$ ?^ ?* ?\])))
+
+;; (quail-define-package "devanagari-inscript" "Devanagari" "DevIS" t "Devanagari keyboard Inscript")
+(quail-define-inscript-package
+ indian-dev-base-table inscript-dev-keytable
+ "devanagari-inscript" "Devanagari" "DevIS"
+ "Devanagari keyboard Inscript.")
+
+;; quail/indian.el ends here.
projects / emacs.git / commitdiff