;;; egg/wnn.el --- WNN Support (high level interface) in Egg
;;;                Input Method Architecture

;; Copyright (C) 1997 Mule Project, Powered by Electrotechnical
;; Laboratory, JAPAN.
;; Project Leader: Satoru Tomura <tomura@etl.go.jp>

;; Author: NIIBE Yutaka <gniibe@mri.co.jp>
;; Maintainer: NIIBE Yutaka <gniibe@mri.co.jp>

;; This file will be part of GNU Emacs (in future).

;; 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:

;;; Code:

(defgroup wnn nil
  "Wnn interface for Tamagotchy"
  :group 'egg)

(eval-when-compile
  (defmacro WNN-const (c)
    (cond ((eq c 'BUN_SENTOU) -1)
	  ((eq c 'NO_EXIST)  1)
	  ((eq c 'NO_MATCH) 10)
	  ((eq c 'IMA_OFF)   -4)
	  ((eq c 'IMA_ON)    -3)
	  ((eq c 'HINDO_NOP) -2)
	  ((eq c 'HINDO_INC) -3))))

(defconst wnn-conversion-backend
  [ wnn-init

    wnn-start-conversion
      wnn-get-bunsetsu-converted
      wnn-get-bunsetsu-source
      wnn-list-candidates
          wnn-get-number-of-candidates
          wnn-get-current-candidate-number
          wnn-get-all-candidates
          wnn-decide-candidate
      wnn-change-bunsetsu-length
    wnn-end-conversion

    wnn-fini
 ])

;; <env> ::= [ <proc> <env-id> <daibunsetsu-info> ]

(defsubst wnnenv-create (proc env-id)
  (vector proc env-id nil))

(defsubst wnnenv-get-proc (env)
  (aref env 0))

(defsubst wnnenv-get-env-id (env)
  (aref env 1))

(defsubst wnnenv-get-daibunsetsu-info (env)
  (aref env 2))
(defsubst wnnenv-set-daibunsetsu-info (env d)
  (aset env 2 d))

;; <bunsetsu> ::= [ <env> <end> <start> <jiritsugo-end> <dic-no>
;;                  <entry> <freq> <right-now> <hinshi> <status>
;;                  <status-backward> <kangovect> <evaluation>
;;
;;                  <converted> <yomi> <fuzokugo>
;;		    <zenkouho> <freq-down>
;;                  <zenkouho-pos> ]
;;
(defsubst wnn-bunsetsu-create (e end start jiritsugo-end dic-no entry freq
			       right-now hinshi status status-backward
			       kangovect evaluation)
  (vector e end start jiritsugo-end dic-no entry freq right-now
	  hinshi status status-backward kangovect evaluation
	  nil nil nil nil nil nil))

(defsubst wnn-bunsetsu-get-env (bunsetsu)
  (aref bunsetsu 0))

(defsubst wnn-bunsetsu-get-converted (bunsetsu)
  (aref bunsetsu 13))
(defsubst wnn-bunsetsu-set-converted (bunsetsu converted)
  (aset bunsetsu 13 converted))

(defsubst wnn-bunsetsu-get-hinshi (bunsetsu)
  (aref bunsetsu 8))

(defsubst wnn-bunsetsu-get-dic-no (bunsetsu)
  (aref bunsetsu 4))

(defsubst wnn-bunsetsu-get-entry (bunsetsu)
  (aref bunsetsu 5))

(defsubst wnn-bunsetsu-get-right-now (bunsetsu)
  (aref bunsetsu 7))

(defsubst wnn-bunsetsu-get-yomi (bunsetsu)
  (aref bunsetsu 14))
(defsubst wnn-bunsetsu-set-yomi (bunsetsu yomi)
  (aset bunsetsu 14 yomi))

(defsubst wnn-bunsetsu-get-fuzokugo (bunsetsu)
  (aref bunsetsu 15))
(defsubst wnn-bunsetsu-set-fuzokugo (bunsetsu fuzokugo)
  (aset bunsetsu 15 fuzokugo))

(defsubst wnn-bunsetsu-get-zenkouho (bunsetsu)
  (aref bunsetsu 16))
(defsubst wnn-bunsetsu-set-zenkouho (bunsetsu z)
  (aset bunsetsu 16 z))

(defsubst wnn-bunsetsu-get-freq-down (bunsetsu)
  (aref bunsetsu 17))
(defsubst wnn-bunsetsu-set-freq-down (bunsetsu d)
  (aset bunsetsu 17 d))

(defsubst wnn-bunsetsu-get-zenkouho-pos (bunsetsu)
  (aref bunsetsu 18))
(defsubst wnn-bunsetsu-set-zenkouho-pos (bunsetsu zp)
  (aset bunsetsu 18 zp))

(defcustom wnn-server "localhost"
  "Hostname of wnn server"
  :group 'wnn
  :type 'string)

(defvar wnn-environment nil
  "Environment for WNN kana-kanji conversion")

(defun wnn-init ()
  )

(defun wnn-start-conversion (yomi)
  "Convert YOMI string to kanji, and enter conversion mode.
Return the list of bunsetsu."
  (let* ((env (wnn-get-environment wnn-dictionary-specification))
	 (result (wnnrpc-renbunsetsu-conversion env yomi
						(WNN-const BUN_SENTOU) "")))
    (wnnenv-set-daibunsetsu-info env (car result))
    (cdr result)))

(defun wnn-get-bunsetsu-converted (bunsetsu)
  (concat (wnn-bunsetsu-get-converted bunsetsu)
	  (wnn-bunsetsu-get-fuzokugo  bunsetsu)))

;; WNN-UNIQ-CANDIDATES
;;
;; Here, IMNSHO, WNN is broken.
;; WNN must/should return unique one.  The word is representative
;; among possible words with same string literal.
;;
;; With no bunsetsu information to users, users have to chose
;; the word based on the string literal only.
;; How we could update frequency?
;;
;; We'll modify WNN in future.
;;
;; 
(defun wnn-uniq-candidates (bunsetsu bunsetsu-list)
  (let ((hash-table (make-vector 31 0)) ; XXX why 31?
	(l bunsetsu-list)
	(i 0)
	n sym0 result p b sym)
    (setq sym0 (intern (wnn-get-bunsetsu-converted bunsetsu) hash-table))
    (while l
      (setq b (car l)
	    l (cdr l)
	    sym (intern (wnn-get-bunsetsu-converted b) hash-table))
      (if (null (boundp sym))		; new one
	  (let ((bl (cons b nil)))
	    (set sym b)
	    (if (eq sym0 sym)
		(wnn-bunsetsu-set-zenkouho-pos bunsetsu (setq n i)))
	    (if p
		(setq p (setcdr p bl))
	      (setq result (setq p bl)))
	    (setq i (1+ i)))))
    (wnn-bunsetsu-set-zenkouho bunsetsu result)
    n))

(defun wnn-list-candidates (bunsetsu prev-bunsetsu)
  (let* ((candidates (wnn-bunsetsu-get-zenkouho bunsetsu))
	 (yomi (concat (wnn-bunsetsu-get-yomi bunsetsu)
		       (wnn-bunsetsu-get-fuzokugo bunsetsu)))
	 (converted (concat (wnn-bunsetsu-get-converted bunsetsu)
			    (wnn-bunsetsu-get-fuzokugo bunsetsu)))
	 (env (wnn-bunsetsu-get-env bunsetsu))
	 prev-hinshi
	 prev-fuzokugo)
    (if candidates
	;; We have the candidates already.  Return the current position.
	(wnn-bunsetsu-get-zenkouho-pos bunsetsu)
      (if (null prev-bunsetsu)
	  (setq prev-hinshi -1
		prev-fuzokugo "")
	(setq prev-hinshi (wnn-bunsetsu-get-hinshi prev-bunsetsu)
	      prev-fuzokugo (wnn-bunsetsu-get-fuzokugo prev-bunsetsu)))
      (setq candidates
	    (wnnrpc-get-bunsetsu-candidates env yomi
					    prev-hinshi prev-fuzokugo))
      (wnn-uniq-candidates bunsetsu candidates))))

(defun wnn-get-number-of-candidates (bunsetsu)
  (let ((l (wnn-bunsetsu-get-zenkouho bunsetsu)))
    (if l
	(length l)
      nil)))

(defun wnn-get-current-candidate-number (bunsetsu)
  (wnn-bunsetsu-get-zenkouho-pos bunsetsu))

(defun wnn-get-all-candidates (bunsetsu)
  (let* ((l (wnn-bunsetsu-get-zenkouho bunsetsu))
	 (result (cons nil nil))
	 (r result))
    (catch 'break
      (while t
	(let ((candidate (car l)))
	  (setcar r (concat (wnn-bunsetsu-get-converted candidate)
			    (wnn-bunsetsu-get-fuzokugo candidate)))
	  (if (null (setq l (cdr l)))
	      (throw 'break nil)
	    (setq r (setcdr r (cons nil nil)))))))
    result))

(defun wnn-decide-candidate (bunsetsu candidate-pos)
  (let* ((candidate-list (wnn-bunsetsu-get-zenkouho bunsetsu))
	 (candidate (nth candidate-pos candidate-list)))
    (wnn-bunsetsu-set-zenkouho candidate candidate-list)
    (wnn-bunsetsu-set-zenkouho-pos candidate candidate-pos)
    candidate))

;;
;;
(defun wnn-change-bunsetsu-length (b0 b1 b2 len)
  (let ((yomi (concat
	       (wnn-get-bunsetsu-source b1)
	       (if b2 (wnn-get-bunsetsu-source b2))))
	(env (wnn-bunsetsu-get-env b1))
	yomi1 yomi2 prev-hinshi prev-fuzokugo
	bunsetsu1 bunsetsu2)
    (if (null b0)
	(setq prev-hinshi -1
	      prev-fuzokugo "")
      (setq prev-hinshi (wnn-bunsetsu-get-hinshi b0)
	    prev-fuzokugo (wnn-bunsetsu-get-fuzokugo b0)))
    (save-match-data
      (string-match (concat "^\\(" (make-string len ?.) "\\)\\(.*$\\)") yomi)
      (setq yomi1 (match-string 1 yomi))
      (setq yomi2 (match-string 2 yomi)))
    (setq bunsetsu1
	  (car (wnnrpc-tanbunsetsu-conversion env yomi1
					      prev-hinshi prev-fuzokugo)))
    ;; Only set once.
    (wnn-bunsetsu-set-freq-down bunsetsu1
				(or (wnn-bunsetsu-get-freq-down b1)
				    (if b2
					(list b1 b2)
				      (list b1))))
    (if (< 0 (length yomi2))
	;; RENBUNSETSU? XXX
	(setq bunsetsu2
	      (car (wnnrpc-tanbunsetsu-conversion
		    env yomi2
		    (wnn-bunsetsu-get-hinshi bunsetsu1)
		    (wnn-bunsetsu-get-fuzokugo bunsetsu1))))
      (setq bunsetsu2 nil))
    (if bunsetsu2
	(list bunsetsu1 bunsetsu2)
      (list bunsetsu1))))


(defun wnn-get-bunsetsu-source (bunsetsu)
  (concat (wnn-bunsetsu-get-yomi bunsetsu)
	  (wnn-bunsetsu-get-fuzokugo bunsetsu)))

(defun wnn-end-conversion (bunsetsu-info-list)
  (let ((env (wnn-bunsetsu-get-env (car bunsetsu-info-list))))
    (wnn-update-frequency env bunsetsu-info-list)
    (wnnenv-set-daibunsetsu-info env nil)))

(defvar wnn-sticky-environment-flag nil
  "*Flag which specifies sticky environment.")

(defun wnn-fini ()			; XXX
  (if (null wnn-environment)
      nil
    (condition-case nil
	(progn
	  (if wnn-sticky-environment-flag
	      (wnnrpc-make-env-sticky wnn-environment)
	    (wnnrpc-make-env-unsticky wnn-environment))
	  (wnnrpc-disconnect wnn-environment))
      (error nil))
    (let ((proc (wnnenv-get-proc wnn-environment)))
      (if (eq (process-status proc) 'open)
	  (progn
	    (wnnrpc-close proc)
	    (kill-buffer (process-buffer proc))
	    (delete-process proc))))
    (setq wnn-environment nil)))

;; XXX should be array (index: server) of {C,J,K}server
(defconst wnn-jserver-port 22273)
;;
(defun wnn-comm-sentinel (proc reason)	; assume it is close
  (kill-buffer (process-buffer proc))
  (delete-process proc)
  (setq wnn-environment nil)
  (message "WNN: connection closed"))

;;
(defun wnn-open (hostname language)
  "Establish the connection to WNN server.  Return process object."
  ;; Specifying language (jserver/cserver/kserver),
  ;; open the session to WNN server, 
  (let ((buf (generate-new-buffer " *WNN*"))
	proc result)
    (condition-case result
	(setq proc (open-network-stream "WNN" buf hostname wnn-jserver-port))
      (error (progn
	       (kill-buffer buf)
	       (signal (car result) (cdr result)))))
    (process-kill-without-query proc)
    (set-process-coding-system proc 'no-conversion 'no-conversion)
    (set-process-sentinel proc 'wnn-comm-sentinel)
    (set-marker-insertion-type (process-mark proc) t)
    (save-excursion
      (set-buffer buf)
      (erase-buffer)
      (buffer-disable-undo)
      (setq enable-multibyte-characters nil))
    (setq result (wnnrpc-open proc (system-name) (user-login-name)))
    (if (< result 0)
	(let ((msg (wnnrpc-get-error-message (- result))))
	  (delete-process proc)
	  (kill-buffer buf)
	  (error "Can't open WNN session (%s %s): %s" hostname language msg))
      proc)))

(defvar wnn-dictionary-specification
  '([2 10 2 45 100 200 5 1 40 0 -100 200 -100  200 80 200 200]
    "pubdic/full.fzk"
    ["pubdic/kihon.dic"     ("kihon.h")    5 nil t]
    ["pubdic/setsuji.dic"   ("setsuji.h")  5 nil t]
    ["pubdic/koyuu.dic"     ("koyuu.h")    1 nil t]
    ["pubdic/chimei.dic"    ("chimei.h")   1 nil t]
    ["pubdic/jinmei.dic"    ("jinmei.h")   1 nil t]
    ["pubdic/special.dic"   ("special.h")  5 nil t]
    ["pubdic/computer.dic"  ("computer.h") 5 nil t]
    ["pubdic/symbol.dic"    ("symbol.h")   1 nil t]
    ["pubdic/tankan.dic"    ("tankan.h")   1 nil t]
    ["pubdic/bio.dic"       ("bio.h")      1 nil t]
    ["gerodic/g-jinmei.dic" ("g-jinmei.h") 1 nil t]
    ["wnncons/tankan2.dic"  ("tankan2.h")  1 nil t]
    ["wnncons/tankan3.dic"  ("tankan3.h")  1 nil t]
    [("ud")                 nil            5 t t])
  "")

(defcustom wnn-usr-dic-dir (concat "usr/" (user-login-name))
  "*Directory of user dictionary for Wnn."
  :group 'wnn
  :type 'string)

(defun wnn-filename (p)
  ""
  (cond ((consp p) (concat wnn-usr-dic-dir "/" (car p)))
	(t p)))

(defun wnn-open-file (proc env-id filename)
  "Open the file FILENAME on the environment ENV-ID on server process PROC.
Return file descripter.  NIL means NO-file.
On failure, return negate-encoded error code."
  (if filename
      (wnnrpc-open-file proc env-id filename)
    nil))

(defun wnn-create-directory (proc env-id path)
  "Create directory to the path."
  (let ((dir (directory-file-name path))
	create-list)
    (while (and dir (/= (wnnrpc-access proc env-id 0 dir) 0))
      (setq create-list (cons dir create-list)
	    dir (file-name-directory dir))
      (if dir
	  (setq dir (directory-file-name dir))))
    (if (null create-list)
	t				; Already exist.
      ;; Only query once.
      (if (y-or-n-p (format "ディレクトリ(%s)が有りません。作りますか? " path))
	  (catch 'return
	    (while create-list
	      (let* ((dir (car create-list))
		     (ret (wnnrpc-mkdir proc env-id dir)))
		(if (< ret 0)
		    (progn
		      (message "ディレクトリ(%s)の作成に失敗しました" dir)
		      (throw 'return nil))))
	      (setq create-list (cdr create-list)))
	    ;; Success
	    (message "ディレクトリ(%s)を作りました" path)
	    t)
	;; Failure
	nil))))

(defun wnn-open-dictionary (proc env-id dicname mode)
  (let ((dictionary (wnn-open-file proc env-id dicname)))
    (if (null dictionary)
	(throw 'wnn-set-dictionary-tag nil)
      (while (< dictionary 0)
	(let ((err-code (- dictionary)))
	  (if (or (null mode) (/= err-code (WNN-const NO_EXIST)))
	      (let ((msg (wnnrpc-get-error-message err-code)))
		(message "辞書ファイル(%s)がありません: %s" dicname msg)
		(throw 'wnn-set-dictionary-tag nil)) ; Failure
	    ;; Try to create new one
	    (if (and (y-or-n-p
		      (format "辞書ファイル(%s)がありません。作りますか? "
			      dicname))
		     (wnn-create-directory proc env-id
					   (file-name-directory dicname))
		     (= (wnnrpc-create-dictionary proc env-id dicname) 0))
		(progn
		  (message "辞書ファイル(%s)を作りました" dicname)
		  (setq dictionary
			(wnnrpc-open-file proc env-id dicname)))
	      (throw 'wnn-set-dictionary-tag nil)))))
      dictionary)))

(defun wnn-open-frequency (proc env-id freqname mode dic)
  (let ((frequency (wnn-open-file proc env-id freqname)))
    (if (null frequency)
	(setq frequency -1)
      (while (< frequency 0)
	(let ((err-code (- frequency)))
	  (if (or (null mode) (/= err-code (WNN-const NO_EXIST)))
	      (let ((msg (wnnrpc-get-error-message err-code)))
		(message "頻度ファイル(%s)がありません: %s" freqname msg)
		(throw 'wnn-set-dictionary-tag nil)) ; Failure
	    ;; Try to create new one
	    (if (and (y-or-n-p
		      (format "頻度ファイル(%s)がありません。作りますか? "
			      freqname))
		     (wnn-create-directory proc env-id
					   (file-name-directory freqname))
		     (= (wnnrpc-create-frequency proc env-id freqname dic) 0))
		(progn
		  (message "頻度ファイル(%s)を作りました" freqname)
		  (setq frequency
			(wnnrpc-open-file proc env-id freqname)))
	      (throw 'wnn-set-dictionary-tag nil))))))
      frequency))

;; Using local file (uploading/downloading) is not supported yet.
;; Password is not supported (Password is questionable feature, anyway)
(defun wnn-set-dictionary (proc env-id reverse-flag dic-spec)
  ""
  (catch 'wnn-set-dictionary-tag
    (let ((dicname (wnn-filename (aref dic-spec 0)))
	  (freqname (wnn-filename (aref dic-spec 1)))
	  (priority  (aref dic-spec 2))
	  (dic-mode  (aref dic-spec 3))
	  (freq-mode (aref dic-spec 4))
	  dictionary frequency)
      (setq dictionary (wnn-open-dictionary proc env-id dicname dic-mode))
      (setq frequency
	    (wnn-open-frequency proc env-id freqname freq-mode dictionary))
      (wnn-set-dictionary-sub proc env-id reverse-flag
			      dictionary frequency priority dic-mode
			      freq-mode dicname freqname))))

(defun wnn-set-dictionary-sub (proc env-id reverse-flag
			       dictionary frequency priority dic-mode
			       freq-mode dicname freqname)
  (let ((trying t))
    (while trying
      (let ((ret (wnnrpc-set-dictionary proc env-id reverse-flag
					dictionary frequency
					priority dic-mode freq-mode)))
	(if (< ret 0)
	    (let ((err-code (- ret)))
	      (if (or (null freq-mode) (/= err-code (WNN-const NO_MATCH)))
		  (let ((msg (wnnrpc-get-error-message (- ret))))
		    (message "WNN: Error on setting dictionary (%s, %s): %s"
			     dicname freqname msg)
		    (setq trying nil))	; done
		;; No-match: Create new frequency and try it again
		(wnnrpc-discard-file proc env-id frequency) ; XXX: error?
		(setq frequency
		      (wnn-query-del/create-frequency proc env-id freqname
						      dictionary))))
	  ;; done sucessfully
	  (setq trying nil))))))

(defun wnn-query-del/create-frequency (proc env-id freqname dictionary)
  (if (y-or-n-p
       (format "辞書と頻度(%s)の整合性がありません。作り直しますか? "
	       freqname))
      (progn
	(wnnrpc-remove-file proc freqname) ; XXX: error?
	(wnnrpc-create-frequency proc env-id freqname dictionary) ; XXX: error?
	(message "頻度ファイル(%s)を作りました" freqname)
	(wnnrpc-open-file proc env-id freqname)) ; XXX: error?
    -1))

(defun wnn-get-environment (dic-spec)
  "Return WNN Environemt.  If none, create new environment.
Take one argument DIC-SPEC for dictionary specification."
  (if wnn-environment
      wnn-environment
    (let ((username (user-login-name))
	  (proc (wnn-open wnn-server "ja_JP")))
      (setq wnn-environment
	    (wnn-create-environment proc username nil dic-spec)))))

(defun wnn-create-environment (proc username reverse-flag spec)
  ""
  ;; Create new data structure: something like wnn_buf
  ;; Process, Environment-ID and Daibunsetsu-info.
  (let (env env-id parameters)
    (setq env-id (wnnrpc-connect proc username))
    (if (< env-id 0)
	(let ((msg (wnnrpc-get-error-message (- env-id))))
	  (error "Can't connect new WNN environment: %s" msg)))
    (setq parameters (car spec))
    (setq spec (cdr spec))
    (let ((filename (wnn-filename (car spec)))
	  fuzokugo-fid ret)
      (setq fuzokugo-fid (wnn-open-file proc env-id filename))
      (if (null fuzokugo-fid)
	  (setq fuzokugo-fid -1)
	(if (< fuzokugo-fid 0)
	    (let ((msg (wnnrpc-get-error-message (- fuzokugo-fid))))
	      (message "WNN: Can't open fuzokugo file (%s): %s" filename msg)
	      (setq fuzokugo-fid -1))))
      (setq ret (wnnrpc-set-fuzokugo-file proc env-id fuzokugo-fid))
      (if (< ret 0)
	  (let ((msg (wnnrpc-get-error-message (- ret))))
	    (message "WNN: Error on setting fuzokugo (%s): %s" filename msg))))
    (setq spec (cdr spec))
    (while spec
      (let ((dic-spec (car spec)))
	(wnn-set-dictionary proc env-id reverse-flag dic-spec)
	(setq spec (cdr spec))))
    (wnnrpc-set-conversion-parameters proc env-id parameters)
    (setq env (wnnenv-create proc env-id))
    env))

(defun wnn-update-frequency (env bunsetsu-info-list)
  (let ((l bunsetsu-info-list))
    (while l
      (let* ((b (car l))
	     (fd (wnn-bunsetsu-get-freq-down b))
	     (z (wnn-bunsetsu-get-zenkouho b)))
	(while fd
	  (let* ((fdb (car fd))
		 (dic-no (wnn-bunsetsu-get-dic-no fdb))
		 (entry (wnn-bunsetsu-get-entry fdb)))
	    (wnnrpc-set-frequency env dic-no entry
				  (WNN-const IMA_OFF) (WNN-const HINDO_NOP))
	    (setq fd (cdr fd))))
	(while z
	  (let* ((zb (car z))
		 (right-now (wnn-bunsetsu-get-right-now zb))
		 (dic-no (wnn-bunsetsu-get-dic-no zb))
		 (entry (wnn-bunsetsu-get-entry zb)))
	    (if (and (/= right-now 0) (/= dic-no -1))
		(wnnrpc-set-frequency env dic-no entry (WNN-const IMA_OFF)
				      (WNN-const HINDO_NOP)))
	    (setq z (cdr z))))
	(let ((dic-no (wnn-bunsetsu-get-dic-no b))
	      (entry (wnn-bunsetsu-get-entry b)))
	  (if (/= dic-no -1)
	      (wnnrpc-set-frequency env dic-no entry 
				    (WNN-const IMA_ON)
				    (WNN-const HINDO_INC))))
	(setq l (cdr l))))))

;;; XXX Need alternative implementation
;(defun wnn-set-conversion-mode ()
;  (jl-set-environment))

(defun wnn-save-dictionaries ()
  (for-each-environment
   js-dic-list
   (while (< i count)
     dic => id
     js-file-write
     hindo => id
     js-file-write)))

(defun wnn-version (proc)
  "Return version number string of WNN server."
  (format "%x" (wnnrpc-version proc)))

(defun wnn-dai-bunsetsu-p ()
  (jl-dai-top ))

(defun wnn-next-dai-bunsetsu-pos ()
  XXX)

;;; not implemented yet (NIY)
(defun wnn-delete-dictionary ()
  (dj-delete-dic XXX))

;;; NIY, might never be implemented
(defun wnn-server-inspect ())

;;; NIY
(defun wnn-list-dictionaries ()
  (jl-dic-list))

;;; NIY
(defun wnn-get-conversion-parameters ()
  (js-get-parameters))

;;; Dictionary management (word registration) is not implemented yet.

;; XXX: local file loaded into the server: Not supported yet
;(defun wnn-list-dictionaries (env)
;  (wnnrpc-get-dictionary-list-with-environment env))

(defun wnn-find-dictionary-by-id (id dic-list)
  (catch 'return
    (while dic-list
      (let ((dic (car dic-list)))
	(if (= (wnndic-get-id dic) id)
	    (throw 'return dic)
	  (setq dic-list (cdr dic-list)))))))

(defun wnn-dict-name (dic)
  (let ((name (wnndic-get-comment dic)))
    (if (string= name "")
	(file-name-nondirectory (wnndic-get-dictname dic))
      name)))

(defun wnn-list-writable-dictionaries-byname (env)
  (let ((dic-list (wnnrpc-get-dictionary-list-with-environment env))
	(w-id-list (wnnrpc-get-writable-dictionary-id-list env)))
    (mapcar (function (lambda (id)
			(let ((dic (wnn-find-dictionary-by-id id dic-list)))
			  (cons (wnn-dict-name dic) dic))))
	    w-id-list)))

(defun wnn-hinshi-list (env dic name)
  (let ((dic-number (wnndic-get-id dic)))
    (wnnrpc-get-hinshi-list env dic-number name)))

(defun wnn-hinshi-number (env hinshi-name)
  (wnnrpc-hinshi-number (wnnenv-get-proc env) hinshi-name))

(defun wnn-add-word (env dic yomi kanji comment hinshi-id initial-freq)
  (let ((dic-number (wnndic-get-id dic)))
    (wnnrpc-add-word env dic-number yomi kanji comment
		     hinshi-id initial-freq)))

(provide 'egg/wnn)

;;; egg/wnn.el ends here.