| /* |
| * Copyright (c) 2006, 2011, 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 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; |
| } |
| } |
| } |
| } |