/*
* eXist Open Source Native XML Database
* Copyright (C) 2010 The eXist Project
* http://exist-db.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2
* of the License, 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
*/
package org.exist.util;
/**
* @author <a href="mailto:shabanovd@gmail.com">Dmitriy Shabanov</a>
*
*/
public class UTF16CharacterSet {
public static final int NONBMP_MIN = 0x10000;
public static final int NONBMP_MAX = 0x10FFFF;
public static final char SURROGATE1_MIN = 0xD800;
public static final char SURROGATE1_MAX = 0xDBFF;
public static final char SURROGATE2_MIN = 0xDC00;
public static final char SURROGATE2_MAX = 0xDFFF;
public static int combinePair(char high, char low) {
return (high - SURROGATE1_MIN) * 0x400 + (low - SURROGATE2_MIN) + NONBMP_MIN;
}
}