| /* ***** 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 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. |
| * |
| * Alternatively, the contents of this file may be used under the terms of |
| * 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"), |
| * 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 ***** */ |
| |
| package org.mozilla.intl.chardet ; |
| |
| import java.lang.*; |
| |
| public abstract class nsVerifier { |
| |
| static final byte eStart = (byte)0; |
| static final byte eError = (byte)1; |
| static final byte eItsMe = (byte)2; |
| static final int eidxSft4bits = 3; |
| static final int eSftMsk4bits = 7; |
| static final int eBitSft4bits = 2; |
| static final int eUnitMsk4bits = 0x0000000F; |
| |
| nsVerifier() { |
| } |
| |
| public abstract String charset() ; |
| public abstract int stFactor() ; |
| public abstract int[] cclass() ; |
| public abstract int[] states() ; |
| |
| public abstract boolean isUCS2() ; |
| |
| public static byte getNextState(nsVerifier v, byte b, byte s) { |
| |
| return (byte) ( 0xFF & |
| (((v.states()[(( |
| (s*v.stFactor()+(((v.cclass()[((b&0xFF)>>v.eidxSft4bits)]) |
| >> ((b & v.eSftMsk4bits) << v.eBitSft4bits)) |
| & v.eUnitMsk4bits ))&0xFF) |
| >> v.eidxSft4bits) ]) >> ((( |
| (s*v.stFactor()+(((v.cclass()[((b&0xFF)>>v.eidxSft4bits)]) |
| >> ((b & v.eSftMsk4bits) << v.eBitSft4bits)) |
| & v.eUnitMsk4bits ))&0xFF) |
| & v.eSftMsk4bits) << v.eBitSft4bits)) & v.eUnitMsk4bits ) |
| ) ; |
| |
| } |
| |
| |
| } |