/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * 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
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 *
 * 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 mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
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 * either of 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"),
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package com.knowgate.dfs.chardet ;

public class nsDetector extends nsPSMDetector 
			implements nsICharsetDetector {

	nsICharsetDetectionObserver mObserver = null ;

	public nsDetector() {
		super() ;
	}

	public nsDetector(int langFlag) {
		super(langFlag) ;
	}

	public void Init(nsICharsetDetectionObserver aObserver) {

	  	mObserver = aObserver ;
		return ;

	}

	public boolean DoIt(byte[] aBuf, int aLen, boolean oDontFeedMe) {

		if (aBuf == null || oDontFeedMe )
		    return false ;

		this.HandleData(aBuf, aLen) ;	
		return mDone ;
	}

	public void Done() {
		this.DataEnd() ;
		return ;
	}

	public void Report(String charset) {
		if (mObserver != null)
		    mObserver.Notify(charset)  ;
	}

	public boolean isAscii(byte[] aBuf, int aLen) {

                for(int i=0; i<aLen; i++) {
                   if ((0x0080 & aBuf[i]) != 0) {
                      return false ;
                   }
                }
		return true ;
	}
}