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 
  33     int getProperties(int ch) {
  34         return 0;
  35     }
  36 
  37     int getType(int ch) {
  38         return (ch & 0xFFFE) == 0xFFFE
  39             ? Character.UNASSIGNED
  40             : Character.PRIVATE_USE;
  41     }
  42 
  43     boolean isJavaIdentifierStart(int ch) {
  44         return false;
  45     }
  46 
  47     boolean isJavaIdentifierPart(int ch) {
  48         return false;
  49     }
  50 
  51     boolean isUnicodeIdentifierStart(int ch) {
  52         return false;
  53     }
  54 
  55     boolean isUnicodeIdentifierPart(int ch) {
  56         return false;
  57     }
  58 
  59     boolean isIdentifierIgnorable(int ch) {
  60         return false;
  61     }
  62 
  63     int toLowerCase(int ch) {
  64         return ch;
  65     }
  66 
  67     int toUpperCase(int ch) {
  68         return ch;
  69     }
  70 
  71     int toTitleCase(int ch) {
  72         return ch;
  73     }
  74 
  75     int digit(int ch, int radix) {
  76         return -1;
  77     }
  78 
  79     int getNumericValue(int ch) {
  80         return -1;
  81     }
  82 
  83     boolean isDigit(int ch) {
  84         return false;
  85     }
  86 
  87     boolean isLowerCase(int ch) {
  88         return false;
  89     }
  90 
  91     boolean isUpperCase(int ch) {
  92         return false;
  93     }
  94 
  95     boolean isWhitespace(int ch) {
  96         return false;
  97     }
  98 
  99     byte getDirectionality(int ch) {
 100         return (ch & 0xFFFE) == 0xFFFE
 101             ? Character.DIRECTIONALITY_UNDEFINED
 102             : Character.DIRECTIONALITY_LEFT_TO_RIGHT;
 103     }
 104 
 105     boolean isMirrored(int ch) {
 106         return false;
 107     }
 108 
 109     static final CharacterData instance = new CharacterDataPrivateUse();
 110     private CharacterDataPrivateUse() {};
 111 }
 112 
 113