;;; skk-comp.el --- $BJd40$N$?$a$N%W%m%0%i%`(B
;; Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
;; Masahiko Sato <masahiko@kuis.kyoto-u.ac.jp>

;; Author: Masahiko Sato <masahiko@kuis.kyoto-u.ac.jp>
;; Maintainer: Mikio Nakajima <minakaji@osaka.email.ne.jp>
;; Version: $Id: skk-comp.el,v 1.1 1997/12/02 08:48:37 steve Exp $
;; Keywords: japanese
;; Last Modified: $Date: 1997/12/02 08:48:37 $

;; This program 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 versions 2, or (at your option)
;; any later version.

;; This program 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 SKK, see the file COPYING.  If not, write to the Free
;; Software Foundation Inc., 59 Temple Place - Suite 330, Boston,
;; MA 02111-1307, USA.

;;; Commentary:
;; Following people contributed modifications to skk.el (Alphabetic order):
;;      Hitoshi SUZUKI <h-suzuki@ael.fujitsu.co.jp>
;;      Mikio Nakajima <minakaji@osaka.email.ne.jp>

;;; Change log:
;; version 1.2.1 released 1997.2.2 (derived from the skk.el 8.6)

;;; Code:
(require 'skk-foreword)
(require 'skk-vars)
;; Elib version 1.0 required.
(require 'stack-m)

;;; -- user variables
(defvar skk-dabbrev-like-completion nil
  "*Non-nil $B$G$"$l$P!"(Bdabbrev-expand $B$K;w$?8+=P$78l$NJd40$r9T$&!#(B
$B$D$^$j!"(Bskk-insert-period $B$d(B skk-abbrev-period $B$GJd40$r9T$C$?>l9g$K!":G8e$KJd(B
$B40$5$l$?8l$K$D$$$F99$KJd40$,9T$o$l$k!#(B
$BNc$($P!"(B

  \"$B$5(B\" -> \"$B$5$H$&(B\" -> \"$B$5$H$&$;$s$;$$(B\"

nil $B$G$"$l$P!"@hF,$NJ8;z$r6&DL$K$9$kJ8;zNs$K$D$$$FJd40$,9T$J$o$l$k!#(B
$BNc$($P!"(B

  \"$B$5(B\" -> \"$B$5$H$&(B\" -> \"$B$5$$$H$&(B\" -> \"$B$5$/$i(B\"" )

(defvar skk-comp-load-hook nil
  "*skk-comp.el $B$r%m!<%I$7$?8e$K%3!<%k$5$l$k%U%C%/!#(B" )

;;; -- internal variables
;; ---- buffer local variables
;; $B6uJ8;zNs$KBP$7$F(B skk-completion $B$r8F$V$3$H$b$"$j$&$k$N$G!"(B"" $B$r(B nil $B$G$OBe(B
;; $BMQ$G$-$J$$!#(B
(skk-deflocalvar skk-completion-word ""
  "$BJd40$9$Y$-8+=P$78l!#(B
skk-dabbrev-like-completion $B$,(B non-nil $B$N>l9g$O!">o$K:G8e$KJd40$7$?8+=P$78l$,(B
$BBeF~$5$l$k!#(B" )
;; $B<-=qEPO?;~%_%K%P%C%U%!$GJd40$7$?>l9g!"85$N%P%C%U%!$KLa$C$?$H$-$K(B 
;; skk-completion-word $B$NCM$,GK2u$5$l$F$$$J$$J}$,%Y%?!<!#(B

;; skk-completion-stack $B$O%P%C%U%!%m!<%+%kCM$G$"$j!"$7$+$b(B stack-m.el $B$G$OGK2u(B
;; $BE*$K%j%9%H$rA`:n$9$k$N$G=i4|CM$O(B nil $B$K$7$F$*$/I,MW$,$"$k!#(B
(skk-deflocalvar skk-completion-stack nil
  "$BJd40$7$?8l$rJ]B8$7$F$*$/%9%?%C%/!#(B
skk-previous-completion $B$G$O!"%9%?%C%/$+$i%]%C%W$7$F0JA0$KJd40$7$?8l$KLa$k!#(B" )

;;;###skk-autoload
(defun skk-start-henkan-with-completion (arg)
  "$B"&%b!<%I$GFI$_$NJd40$r9T$J$C$?8e!"JQ49$9$k!#(B
$B$=$l0J30$N%b!<%I$G$O%*%j%8%J%k$N%-!<%^%C%W$K3d$jIU$1$i$l$?%3%^%s%I$r%(%_%e%l!<(B
$B%H$9$k!#(B"
  (interactive "*P")
  (if (and skk-henkan-on (not skk-henkan-active))
      (progn
        (skk-completion (not (eq last-command 'skk-completion)))
        (skk-start-henkan arg) )
    (skk-emulate-original-map arg) ))

;;;###skk-autoload
(defun skk-completion (first)
  ;; skk-try-completion $B$N%5%V%k!<%A%s!#(B
  (let ((inhibit-quit t)
        skk-num-list
        completion-word c-word )
    (if first
        (setq skk-completion-word
              (skk-buffer-substring skk-henkan-start-point (point))
              skk-completion-stack (stack-create) )
      (if skk-dabbrev-like-completion
          (setq skk-completion-word
                (skk-buffer-substring skk-henkan-start-point (point)) )))
    (if (string= skk-completion-word "")
        (skk-error "$B6uJ8;z$+$iJd40$9$k$3$H$O$G$-$^$;$s!*(B"
                   "Cannot complete an empty string!" ))
    ;; skk-completion-word $B$O%P%C%U%!%m!<%+%kCM$J$N$G!"<-=q%P%C%U%!$K0\$kA0$K(B
    ;; $B0l;~JQ?t$K0\$7JQ$($F$*$/!#(B
    (setq completion-word skk-completion-word)
    (with-current-buffer (skk-get-jisyo-buffer skk-jisyo)
      (if first (goto-char skk-okuri-nasi-min))
      (save-match-data
        ;; $B8zN($,NI$$$h$&$K(B kanji-flag, mc-flag, enable-multibyte-characters
        ;; $B$r(B nil $B$K$7$F$*$/!#(B
        ;; case-fold-search $B$O!"<-=q%P%C%U%!$G$O>o$K(B nil$B!#(B
        (let (mc-flag)
          ;;enable-multibyte-characters)
          (while
              (and (not c-word)
                   (search-forward
                    (concat "\n" 
                            (if skk-use-numeric-conversion
                                (skk-compute-numeric-henkan-key completion-word)
                              completion-word ))
                    nil t ))
            (if (eq (following-char) 32) ;SPC                      
                nil
              (setq c-word (concat completion-word
                                   (skk-buffer-substring
                                    ;; $B8+=P$78l$K6uGr$O4^$^$l$J$$!#(B" /" $B$r%5!<(B
                                    ;; $B%A$9$kI,MW$O$J$$!#(B
                                    (point) (1- (search-forward " ")) ))))))))
    ;; $B<-=q%P%C%U%!$N30!#(B
    (if (not c-word)
        (if skk-japanese-message-and-error
            (error "\"%s\" $B$GJd40$9$Y$-8+=P$78l$O(B%s$B$"$j$^$;$s(B"
                   skk-completion-word (if first "" "$BB>$K(B") )
          (error "No %scompletions for \"%s\""
                 (if first "" "more ") skk-completion-word ))
      (stack-push skk-completion-stack c-word)
      (delete-region skk-henkan-start-point (point))
      (insert c-word) )))

;;;###skk-autoload
(defun skk-previous-completion ()
  ;; skk-abbrev-comma, skk-insert-comma $B$N%5%V%k!<%A%s!#D>A0$KJd40$r9T$C$?8+(B
  ;; $B=P$7$rA^F~$9$k!#(B
  (let ((inhibit-quit t)
        c-word )
    (setq c-word (stack-pop skk-completion-stack))
    (if (string= c-word
                 (skk-buffer-substring skk-henkan-start-point (point)) )
        ;;(null (memq last-command '(skk-abbrev-comma skk-insert-comma)))
        ;; $B%]%C%W$7$?8l$,%P%C%U%!$N%]%$%s%HD>A0$K$"$kJ8;zNs$HF1$8$@$C$?$i(B 1 $B$D(B
        ;; $B<N$F$k!#(B
        (setq c-word (stack-pop skk-completion-stack)) )
    (delete-region skk-henkan-start-point (point))
    (if c-word
        (insert c-word)
      (insert skk-completion-word)
      (skk-error "\"%s\"$B$GJd40$9$Y$-8+=P$78l$OB>$K$"$j$^$;$s(B"
                 "No more previous completions for \"%s\""
                 skk-completion-word ))
    (setq this-command 'skk-completion) ))

(run-hooks 'skk-comp-load-hook)

(provide 'skk-comp)
;;; skk-comp.el ends here