| /* |
| * Copyright 2006 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| package com.sun.xml.internal.rngom.util; |
| |
| public abstract class Utf16 { |
| // 110110XX XXXXXX 110111XX XXXXXX |
| static public boolean isSurrogate(char c) { |
| return (c & 0xF800) == 0xD800; |
| } |
| static public boolean isSurrogate1(char c) { |
| return (c & 0xFC00) == 0xD800; |
| } |
| static public boolean isSurrogate2(char c) { |
| return (c & 0xFC00) == 0xDC00; |
| } |
| static public int scalarValue(char c1, char c2) { |
| return (((c1 & 0x3FF) << 10) | (c2 & 0x3FF)) + 0x10000; |
| } |
| static public char surrogate1(int c) { |
| return (char)(((c - 0x10000) >> 10) | 0xD800); |
| } |
| static public char surrogate2(int c) { |
| return (char)(((c - 0x10000) & 0x3FF) | 0xDC00); |
| } |
| } |