/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is FireDictionary.
 *
 * The Initial Developer of the Original Code is 
 * Noriaki Hamamoto <nori@firedictionary.com>.
 * Portions created by the Initial Developer are Copyright (C) 2005
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */
 
 /**
 * A class for translating history file from a old plain text style to
 * a new xml style.
 */
 function FDHistoryTranslator(oldfile){
 	var istream = new FDInputStream(oldfile.getFile());
	 var xmlHistory = new FDXmlHistory();
	 var history;
	 var lines;
	 var i;
  istream.setCharset("UTF-8");
  
	/**
  * FDHistoryTranslator(FDFile oldfile)
  *  Constructor of this class.
  *
  * @param oldfile file ocject which refer the old history file.
  */
  history = istream.readAsUnicode();
  lines = history.split("\n");
	 for ( i=lines.length - 2 ; i>0 ; i-=3 ){
	 	xmlHistory.create({
		  keyword:      lines[i-2].substring(2, lines[i-2].length - 2),
		  result:       lines[i-1],
		  url:          "",
		  title:        "",
		  sentence:     "",
		  pickedupword: "",
		  category:     ""
		});
	 }
		
 	/**
 	 * Return the XML document of the history.
 	 *
 	 * @return the XML document of the history
 	 */
 	this.getXmlHistory = function(){
 		return xmlHistory;
 	}
 }