Import Riece subtree

[packages] / xemacs-packages / riece / lisp / riece-kakasi.el

diff --git a/xemacs-packages/riece/lisp/riece-kakasi.el b/xemacs-packages/riece/lisp/riece-kakasi.el
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+;;; riece-kakasi.el --- convert Japanese to roman string by KAKASI -*- lexical-binding: t -*-
+;; Copyright (C) 1998-2004 Daiki Ueno
+
+;; Author: Daiki Ueno <ueno@unixuser.org>
+;; Created: 1998-09-28
+;; Keywords: IRC, riece
+
+;; This file is part of Riece.
+
+;; 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 version 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 GNU Emacs; see the file COPYING.  If not, write to the
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
+
+;;; Commentary:
+
+;; NOTE: This is an add-on module for Riece.
+
+;;; Code:
+
+(defconst riece-kakasi-description
+  "Convert Japanese to roman string by KAKASI.")
+
+(defvar riece-kakasi-process nil)
+
+(require 'riece-message)
+
+(defun riece-kakasi-convert-string (string)
+  (process-send-string riece-kakasi-process (concat string "\n"))
+  (with-current-buffer (process-buffer riece-kakasi-process)
+    (while (progn
+            (goto-char (point-min))
+            (not (search-forward "\n" nil t)))
+      (accept-process-output riece-kakasi-process))
+    (prog1 (buffer-substring (point-min) (1- (point)))
+      (delete-region (point-min) (point)))))
+
+(defun riece-kakasi-message-filter (message)
+  (if (get 'riece-kakasi 'riece-addon-enabled)
+      (riece-message-set-text message
+                             (riece-kakasi-convert-string
+                              (riece-message-text message))))
+  message)
+
+(defun riece-kakasi-insinuate ()
+  (add-hook 'riece-message-filter-functions 'riece-kakasi-message-filter))
+
+(defun riece-kakasi-uninstall ()
+  (remove-hook 'riece-message-filter-functions 'riece-kakasi-message-filter))
+
+(defun riece-kakasi-enable ()
+  (setq riece-kakasi-process
+       (start-process "kakasi" (generate-new-buffer " *riece-kakasi*")
+                      "kakasi" "-Ha" "-Ka" "-Ja" "-Ea" "-ka"))
+  (with-current-buffer (process-buffer riece-kakasi-process)
+    (buffer-disable-undo)
+    (erase-buffer)))
+
+(defun riece-kakasi-disable ()
+  (kill-buffer (process-buffer riece-kakasi-process)))
+
+(provide 'riece-kakasi)
+
+;;; riece-kakasi.el ends here