1 ;;; egg-mlh.el --- Modeless Conversion Facility in Egg Input
2 ;;; Method Architecture
4 ;; Copyright (C) 1999, 2000 Free Software Foundation, Inc
6 ;; Author: NIIBE Yutaka <gniibe@chroot.org>
7 ;; KATAYAMA Yoshio <kate@pfu.co.jp> ; Multilingual Enhancement
9 ;; Maintainer: TOMURA Satoru <tomura@etl.go.jp>
11 ;; Keywords: mule, multilingual, input method
13 ;; This file is part of EGG.
15 ;; EGG is free software; you can redistribute it and/or modify
16 ;; it under the terms of the GNU General Public License as published by
17 ;; the Free Software Foundation; either version 2, or (at your option)
20 ;; EGG is distributed in the hope that it will be useful,
21 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
22 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 ;; GNU General Public License for more details.
25 ;; You should have received a copy of the GNU General Public License
26 ;; along with GNU Emacs; see the file COPYING. If not, write to the
27 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
28 ;; Boston, MA 02111-1307, USA.
36 (defvar mlh-default-backend "wnn")
38 (defun mlh-space-bar-backward-henkan ()
39 "If the character preceding point is / (slash),
40 Do `mlh-backward-henkan'. Then, invoke appropriate conversion, if needed.
41 Or else, execute command that space-bar invokes usually."
43 (let ((henkan-begin nil)
45 (its-disable-special-action t))
46 (if (null (assq 'Japanese egg-conversion-backend-alist))
48 (setq egg-mode-preference nil)
49 (activate-input-method (concat "japanese-egg-" mlh-default-backend)))
51 (its-select-hiragana))
54 (if (or inhibit-henkan (= henkan-begin (point)))
57 (message "Converting...")
59 (egg-convert-region henkan-begin (point))
61 (setq this-command 'self-insert-command)
62 (call-interactively 'self-insert-command))))
64 (defvar mlh-punctuations nil)
67 (setq mlh-punctuations "!()?;:"))
69 (defvar mlh-conversion-scheme-table
86 (?d . mlh-user-defined-conversion)
97 ; (?n . mlh-no-conversion)
99 (?p . mlh-upcase-letter)
102 (?s . mlh-small-letter)
103 (?t . mlh-zhongwen-tw)
106 (?w . mlh-white-space)
110 (?H . mlh-hiragana-to-kanji)
111 (?L . mlh-lisp-expression)
112 (?W . mlh-zenkaku-white)
117 (defun mlh-zenkaku-white ()
119 (skip-chars-backward "0-9")
120 (mlh-backward-henkan)
122 (goto-char end-marker)
123 (backward-delete-char 2)
124 (let* ((str (buffer-substring beg (point)))
125 (val (string-to-int str)))
126 (delete-region beg (point))
130 (insert "
\e$B!!
\e(B")
131 (setq val (1- val))))
132 (if (null henkan-begin)
133 (setq henkan-begin beg)))
136 (goto-char end-marker)
137 (backward-delete-char 2)
139 (setq henkan-begin (point)))
141 (defun mlh-upcase-letter ()
143 (skip-chars-backward "a-zA-Z0-9")
144 (mlh-backward-henkan)
146 (goto-char end-marker)
147 (backward-delete-char 2)
148 (upcase-region beg (point))
149 (if (null henkan-begin)
150 (setq henkan-begin beg)))
152 (defun mlh-capitalize ()
154 (skip-chars-backward "a-zA-Z1-9")
155 (mlh-backward-henkan)
157 (goto-char end-marker)
158 (backward-delete-char 2)
159 (capitalize-region beg (point))
160 (if (null henkan-begin)
161 (setq henkan-begin beg)))
163 (defun mlh-jis-code ()
165 (skip-chars-backward "0-9a-fA-F")
166 (mlh-backward-henkan)
167 (if (/= (- end-marker (point)) 6)
168 (error "invalid length"))
170 (let ((val (car (read-from-string
171 (concat "?\\x" (buffer-substring beg (- end-marker 2)))))))
172 (insert (make-char 'japanese-jisx0208 (/ val 256) (% val 256)))
173 (delete-region (point) end-marker))
174 (if (null henkan-begin)
175 (setq henkan-begin beg)))
177 (defun mlh-lisp-expression ()
179 (let ((stab (syntax-table)))
182 (set-syntax-table emacs-lisp-mode-syntax-table)
184 (set-syntax-table stab)))
185 (mlh-backward-henkan)
187 (goto-char end-marker)
188 (backward-delete-char 2)
190 (buffer-substring beg (point)))
191 (exp (car (read-from-string exp-str)))
193 (delete-region beg (point))
194 (insert (format "%s" result)))
195 (if (null henkan-begin)
196 (setq henkan-begin beg)))
199 (goto-char end-marker)
200 (backward-delete-char 2)
201 (setq henkan-begin (point)))
203 (defun mlh-no-conversion ()
205 (skip-chars-backward "\041-\056\060-\176")
206 (mlh-backward-henkan)
208 (goto-char end-marker)
209 (backward-delete-char 2)
210 (if (null henkan-begin)
211 (setq henkan-begin beg)))
213 (fset 'mlh-small-letter (symbol-function 'mlh-no-conversion))
215 (defun mlh-white-space ()
217 (skip-chars-backward "0-9")
218 (mlh-backward-henkan)
220 (goto-char end-marker)
221 (backward-delete-char 2)
222 (let* ((str (buffer-substring beg (point)))
223 (val (string-to-int str)))
224 (delete-region beg (point))
227 (insert (make-string val ?\ )))
228 (if (null henkan-begin)
229 (setq henkan-begin beg)))
231 (defun mlh-execute ()
233 (if (fboundp 'mlh-userdef-function)
234 (mlh-userdef-function)
235 (mlh-backward-henkan)
237 (goto-char end-marker)
238 (backward-delete-char 2)
239 (if (null henkan-begin)
240 (setq henkan-begin beg))))
242 (defun mlh-backward-henkan ()
243 "For each words seperated by / (slash), do conversion.
244 Accoding to a character preceding slash, conversion scheme are selected.
246 CHAR. MNEMONIC CONVERSION SCHEME
248 H Hiragana to kanji Convert Hiragana to Kanji
249 L Lisp Evaluate as Emacs-Lisp expression
250 W zenkaku White space Insert Zenkaku spaces
251 X eXit Quit going backward, insert space
252 Z Zenkaku Convert to Zenkaku
253 c Capitalize Capitalize
254 d user Definition Convert with user definition table
255 f Firagana ?? Convert to Hiragana
256 g Greek letter Convert to single greek letter
257 h Hangul Convert to Hangul
258 j Jis-code Convert to character which has code
259 k Katakana Convert to Katakana
260 l Ligature Ligature (not implemented yet)
261 p uPcase letter uPcase
262 q Quit Quit going backward
263 s Small letter No conversion
264 w White space Insert spaces
265 x eXecute Call user defined function
266 z Zhongwen Convert to Zhongwen
267 OTHERWISE Convert to KANJI
269 (if (eq (preceding-char) ?/)
270 (let ((end-marker (point-marker))
273 (set-marker-insertion-type end-marker t)
277 (setq char (preceding-char))
279 ((setq scheme (assq char mlh-conversion-scheme-table))
280 (funcall (cdr scheme)))
282 (goto-char end-marker)))
287 (goto-char end-marker))))
288 (set-marker end-marker nil)))))
291 (defvar mlh-syntax-table nil
292 "Syntax table of mlh, which are used to determine spacing.")
295 (setq mlh-syntax-table (copy-syntax-table emacs-lisp-mode-syntax-table))
296 (modify-syntax-entry ?! "." mlh-syntax-table)
297 (modify-syntax-entry ?$ "'" mlh-syntax-table)
298 (modify-syntax-entry ?% "'" mlh-syntax-table)
299 (modify-syntax-entry ?& "'" mlh-syntax-table)
300 (modify-syntax-entry ?{ "(}" mlh-syntax-table)
301 (modify-syntax-entry ?} "){" mlh-syntax-table)
304 ;;; XXX RTFM, gniibe!
305 (defvar mlh-space-control
307 (("al".?w).("al".?w))
308 (("al".?w).("al".?_))
309 (("al".?w).("Hj|".?e))
310 (("al".?w).("Cj|".?e))
311 (("al".?_).("al".?w))
312 (("al".?_).("al".?_))
313 (("al".?_).("Hj|".?e))
314 (("al".?_).("Cj|".?e))
315 (("al".?.).("al".?w))
316 (("al".?.).("al".?_))
317 (("al".?_).("Hj|".?e))
318 (("al".?_).("Cj|".?e))
319 (("Hj|".?e).("al".?w))
320 (("Cj|".?e).("al".?w))
321 (("Hj|".?e).("al".?_))
322 (("Cj|".?e).("al".?_))
324 "Alist that determines inserting space.")
326 (defun mlh-do-spacing ()
327 "Arrange spacing as you like."
330 (let ((s-tab (syntax-table))
335 (set-syntax-table mlh-syntax-table)
336 (setq s-pc (char-syntax (preceding-char))
337 s-fc (char-syntax (following-char))))
338 (set-syntax-table s-tab))
339 (setq c-pc (category-set-mnemonics (char-category-set (preceding-char)))
340 c-fc (category-set-mnemonics (char-category-set (following-char))))
341 (if (member (cons (cons c-pc s-pc) (cons c-fc s-fc)) mlh-space-control)
344 (>= henkan-begin (point))
345 (setq henkan-begin (1+ henkan-begin)))
348 (defvar mlh-select-mode-map (make-keymap))
350 ;;; acutually this map is not necessary now. for future extention
351 (defvar mlh-select-mode-esc-map (make-keymap))
353 (define-key mlh-select-mode-map [t] 'undefined)
354 (define-key mlh-select-mode-esc-map [t] 'undefined)
358 (define-key mlh-select-mode-map (char-to-string ch)
359 'mlh-select-kakutei-and-self-insert)
362 (define-key mlh-select-mode-map "\C-m" 'mlh-select-kakutei-and-self-insert)
363 (define-key mlh-select-mode-map "\C-b" 'mlh-select-prev-candidate)
364 (define-key mlh-select-mode-map "\C-f" 'mlh-select-next-candidate)
365 (define-key mlh-select-mode-map "\177" 'mlh-select-prev-candidate)
366 (define-key mlh-select-mode-map " " 'mlh-select-next-candidate)
367 (define-key mlh-select-mode-map "/" 'mlh-select-kakutei)
369 (if (eq window-system 'x)
371 (define-key mlh-select-mode-map [return] 'mlh-select-kakutei-and-self-insert)
372 (define-key mlh-select-mode-map [delete] 'mlh-select-prev-candidate)
375 (defun mlh-select-insert-candidate (n)
376 (delete-region beg (point))
377 (insert (nth n candidates)))
379 (defun mlh-select-prev-candidate ()
381 (setq current-candidate (1- current-candidate))
382 (if (< current-candidate 0)
383 (setq current-candidate (1- number-of-candidates)))
384 (mlh-select-insert-candidate current-candidate))
386 (defun mlh-select-next-candidate ()
388 (setq current-candidate (1+ current-candidate))
389 (if (>= current-candidate number-of-candidates)
390 (setq current-candidate 0))
391 (mlh-select-insert-candidate current-candidate))
393 (defun mlh-recursive-edit-select (beg end candidates)
394 (mlh-select-insert-candidate 0)
395 (and (boundp 'disable-undo) (setq disable-undo t))
396 (let ((old-local-map (current-local-map))
397 (number-of-candidates (length candidates))
398 (current-candidate 0))
399 (use-local-map mlh-select-mode-map)
401 (use-local-map old-local-map)))
403 (defun mlh-select-kakutei-and-self-insert ()
405 (setq unread-command-events (list last-command-event))
406 (mlh-select-kakutei))
408 (defun mlh-select-kakutei ()
410 (and (boundp 'disable-undo) (setq disable-undo nil))
411 (exit-recursive-edit))
413 (defun mlh-user-defined-conversion ()
415 (skip-chars-backward "-a-zA-Z")
416 (mlh-backward-henkan)
418 (goto-char end-marker)
419 (backward-delete-char 2)
420 (let* ((str (buffer-substring beg (point)))
421 (userdef (mlh-userdef<==string str)))
422 (cond ((stringp userdef)
423 (delete-region beg (point))
426 (delete-region beg (point))
427 ;; (add-userdef) (insert new-userdef)
430 (mlh-recursive-edit-select beg (point) userdef))))
431 (if (null henkan-begin)
432 (setq henkan-begin beg)))
434 (defvar mlh-userdef-table nil
435 "Convertion table of words(string) to another words(string).")
437 (defun mlh-userdef<==string (str)
438 "Convert string to another string with `mlh-userdef-table'"
439 (cdr (assoc str mlh-userdef-table)))
441 (defvar mlh-kanji-function 'mlh-kanji-with-henkan-region-function)
444 (funcall mlh-kanji-function))
446 (defun mlh-kanji-with-henkan-region-function ()
447 (skip-chars-backward "-a-z,.'N[]")
448 (mlh-backward-henkan)
449 (setq inhibit-henkan nil)
451 (goto-char end-marker)
453 (its-translate-region-internal beg (point))
454 (delete-region (point) end-marker)
455 (if (null henkan-begin)
456 (setq henkan-begin beg)))
458 (defun mlh-hiragana ()
460 (skip-chars-backward "-a-z,.'N[]")
461 (mlh-backward-henkan)
463 (goto-char end-marker)
465 (its-translate-region-internal beg (point))
466 (delete-region (point) end-marker)
467 (setq henkan-begin (point)))
469 (defun mlh-hiragana-to-kanji ()
471 (skip-chars-backward "
\e$B$!
\e(B-
\e$B$s!<
\e(B")
472 (mlh-backward-henkan)
474 (setq inhibit-henkan nil)
475 (goto-char end-marker)
476 (backward-delete-char 2)
477 (if (null henkan-begin)
478 (setq henkan-begin beg)))
480 (defun mlh-katakana ()
482 (skip-chars-backward "-a-z,.'N[]")
483 (mlh-backward-henkan)
485 (goto-char end-marker)
487 (its-translate-region-internal beg (point))
488 (japanese-katakana-region beg (point))
489 (delete-region (point) end-marker)
490 (if (null henkan-begin)
491 (setq henkan-begin beg)))
493 (defun mlh-zenkaku ()
495 (skip-chars-backward "\041-\056\060-\176")
496 (mlh-backward-henkan)
498 (goto-char end-marker)
499 (backward-delete-char 2)
500 (japanese-zenkaku-region beg (point))
501 (if (null henkan-begin)
502 (setq henkan-begin beg)))
506 (skip-chars-backward "a-zEO-RTW,.[]")
507 (mlh-backward-henkan)
509 (setq inhibit-henkan nil)
510 (goto-char end-marker)
512 (let (its-current-map its-current-language)
513 (its-select-hangul nil t)
514 (its-translate-region-internal beg (point)))
515 (delete-region (point) end-marker)
516 (if (null henkan-begin)
517 (setq henkan-begin beg)))
519 (defun mlh-zhongwen ()
521 (skip-chars-backward "a-z0-4 ,.[]")
522 (mlh-backward-henkan)
524 (setq inhibit-henkan nil)
525 (goto-char end-marker)
527 (let (its-current-map its-current-language)
528 (its-select-pinyin-cn nil t)
529 (its-translate-region-internal beg (point)))
530 (delete-region (point) end-marker)
531 (if (null henkan-begin)
532 (setq henkan-begin beg)))
534 (defun mlh-zhongwen-tw ()
536 (skip-chars-backward "a-z0-4,.[]")
537 (mlh-backward-henkan)
539 (setq inhibit-henkan nil)
540 (goto-char end-marker)
542 (let (its-current-map its-current-language)
543 (its-select-pinyin-tw nil t)
544 (its-translate-region-internal beg (point)))
545 (delete-region (point) end-marker)
546 (if (null henkan-begin)
547 (setq henkan-begin beg)))
550 ;;; egg-mlh.el ends here.