1 /* 2 * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package java.lang; 27 28 /** The CharacterData class encapsulates the large tables found in 29 Java.lang.Character. */ 30 31 class CharacterDataPrivateUse extends CharacterData { 32 getProperties(int ch)33 int getProperties(int ch) { 34 return 0; 35 } 36 getType(int ch)37 int getType(int ch) { 38 return (ch & 0xFFFE) == 0xFFFE 39 ? Character.UNASSIGNED 40 : Character.PRIVATE_USE; 41 } 42 isJavaIdentifierStart(int ch)43 boolean isJavaIdentifierStart(int ch) { 44 return false; 45 } 46 isJavaIdentifierPart(int ch)47 boolean isJavaIdentifierPart(int ch) { 48 return false; 49 } 50 isUnicodeIdentifierStart(int ch)51 boolean isUnicodeIdentifierStart(int ch) { 52 return false; 53 } 54 isUnicodeIdentifierPart(int ch)55 boolean isUnicodeIdentifierPart(int ch) { 56 return false; 57 } 58 isIdentifierIgnorable(int ch)59 boolean isIdentifierIgnorable(int ch) { 60 return false; 61 } 62 toLowerCase(int ch)63 int toLowerCase(int ch) { 64 return ch; 65 } 66 toUpperCase(int ch)67 int toUpperCase(int ch) { 68 return ch; 69 } 70 toTitleCase(int ch)71 int toTitleCase(int ch) { 72 return ch; 73 } 74 digit(int ch, int radix)75 int digit(int ch, int radix) { 76 return -1; 77 } 78 getNumericValue(int ch)79 int getNumericValue(int ch) { 80 return -1; 81 } 82 isDigit(int ch)83 boolean isDigit(int ch) { 84 return false; 85 } 86 isLowerCase(int ch)87 boolean isLowerCase(int ch) { 88 return false; 89 } 90 isUpperCase(int ch)91 boolean isUpperCase(int ch) { 92 return false; 93 } 94 isWhitespace(int ch)95 boolean isWhitespace(int ch) { 96 return false; 97 } 98 getDirectionality(int ch)99 byte getDirectionality(int ch) { 100 return (ch & 0xFFFE) == 0xFFFE 101 ? Character.DIRECTIONALITY_UNDEFINED 102 : Character.DIRECTIONALITY_LEFT_TO_RIGHT; 103 } 104 isMirrored(int ch)105 boolean isMirrored(int ch) { 106 return false; 107 } 108 109 static final CharacterData instance = new CharacterDataPrivateUse(); CharacterDataPrivateUse()110 private CharacterDataPrivateUse() {}; 111 } 112