1 /*
   2  * Copyright (c) 2003, 2013, 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 CharacterDataUndefined extends CharacterData {
  32 
  33     int getProperties(int ch) {
  34         return 0;
  35     }
  36 
  37     int getType(int ch) {
  38         return Character.UNASSIGNED;
  39     }
  40 
  41     boolean isJavaIdentifierStart(int ch) {
  42                 return false;
  43     }
  44 
  45     boolean isJavaIdentifierPart(int ch) {
  46                 return false;
  47     }
  48 
  49     boolean isUnicodeIdentifierStart(int ch) {
  50                 return false;
  51     }
  52 
  53     boolean isUnicodeIdentifierPart(int ch) {
  54                 return false;
  55     }
  56 
  57     boolean isIdentifierIgnorable(int ch) {
  58                 return false;
  59     }
  60 
  61     int toLowerCase(int ch) {
  62                 return ch;
  63     }
  64 
  65     int toUpperCase(int ch) {
  66                 return ch;
  67     }
  68 
  69     int toTitleCase(int ch) {
  70                 return ch;
  71     }
  72 
  73     int digit(int ch, int radix) {
  74                 return -1;
  75     }
  76 
  77     int getNumericValue(int ch) {
  78                 return -1;
  79     }
  80 
  81     boolean isWhitespace(int ch) {
  82                 return false;
  83     }
  84 
  85     byte getDirectionality(int ch) {
  86                 return Character.DIRECTIONALITY_UNDEFINED;
  87     }
  88 
  89     boolean isMirrored(int ch) {
  90                 return false;
  91     }
  92 
  93     static final CharacterData instance = new CharacterDataUndefined();
  94     private CharacterDataUndefined() {};
  95 }