1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
;;; indian.el --- Quail packages for inputting Indian
;; Copyright (C) 2000, 2001 Free Software Foundation, Inc.
;; Author: KAWABATA, Taichi <[email protected]>
;; 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 Indian Scripts.
;;; Code:
(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)))
;; This needs to be seen by quail-update-leim-list-file, but cannot be
;; commented out because quail-update-leim-list-file ignores
;; commented-out lines.
(if nil
(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.")
(if nil
(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.")
(if nil
(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 quail-indian-flatten-list (lst)
"Flatten the nested LIST so that there would be no innner list."
(if (listp lst)
(apply 'append (mapcar 'quail-indian-flatten-list lst))
(list lst)))
(defun quail-define-inscript-package (char-table key-table pkgname lang title
docstring)
(setq char-table (quail-indian-flatten-list char-table))
(setq key-table (quail-indian-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)
(dolist (key key-table)
(let ((val (pop char-table)))
(if (and key val)
(quail-defrule
(if (char-valid-p key) (char-to-string key) key)
(if (stringp val) (vector val) val))))))
;;
(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
?' ?\" ?\[ ?{ ?C ;; CEREBRALS
?l ?L ?o ?O ?v ?V ;; DENTALS
?h ?H ?y ?Y ?c ;; LABIALS
?/ ?j ?J ?n ?N "N]" ?b ;; SEMIVOWELS
?M ?< ?m ?u ;; SIBILANTS
"k]" "K]" "i]" "p]" "[]" "{]" "H]" "/]" ;; NUKTAS
?% ?&)
(;; Misc Symbols (7)
?X ?x ?_ ">]" ?d "X]" ?>)
(;; Digits
?0 ?1 ?2 ?3 ?4 ?5 ?6 ?7 ?8 ?9)
(;; Inscripts
?# ?$ ?^ ?* ?\])))
(if nil
(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.")
;;; indian.el ends here
|
