/*
 * Copyright (c) 2006, 2018, Oracle and/or its affiliates. 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. Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package java.lang;

abstract class CharacterData {
 abstract int getProperties(int ch);
 abstract int getType(int ch);
 abstract boolean isDigit(int ch);
 abstract boolean isLowerCase(int ch);
 abstract boolean isUpperCase(int ch);
 abstract boolean isWhitespace(int ch);
 abstract boolean isMirrored(int ch);
 abstract boolean isJavaIdentifierStart(int ch);
 abstract boolean isJavaIdentifierPart(int ch);
 abstract boolean isUnicodeIdentifierStart(int ch);
 abstract boolean isUnicodeIdentifierPart(int ch);
 abstract boolean isIdentifierIgnorable(int ch);
 abstract int toLowerCase(int ch);
 abstract int toUpperCase(int ch);
 abstract int toTitleCase(int ch);
 abstract int digit(int ch, int radix);
 abstract int getNumericValue(int ch);
 abstract byte getDirectionality(int ch);

 //need to implement for JSR204
 int toUpperCaseEx(int ch) {
 return toUpperCase(ch);
 }

 char[] toUpperCaseCharArray(int ch) {
 return null;
 }

 boolean isOtherLowercase(int ch) {
 return false;
 }

 boolean isOtherUppercase(int ch) {
 return false;
 }

 boolean isOtherAlphabetic(int ch) {
 return false;
 }

 boolean isIdeographic(int ch) {
 return false;
 }

 // Character <= 0xff (basic latin) is handled by internal fast-path
 // to avoid initializing large tables.
 // Note: performance of this "fast-path" code may be sub-optimal
 // in negative cases for some accessors due to complicated ranges.
 // Should revisit after optimization of table initialization.

 static final CharacterData of(int ch) {
 if (ch >>> 8 == 0) { // fast-path
 return CharacterDataLatin1.instance;
 } else {
 switch(ch >>> 16) { //plane 00-16
 case(0):
 return CharacterData00.instance;
 case(1):
 return CharacterData01.instance;
 case(2):
 return CharacterData02.instance;
 case(14):
 return CharacterData0E.instance;
 case(15): // Private Use
 case(16): // Private Use
 return CharacterDataPrivateUse.instance;
 default:
 return CharacterDataUndefined.instance;
 }
 }
 }
}