01: /*
02: * Copyright 2006 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any questions.
24: */
25:
26: package java.lang;
27:
28: abstract class CharacterData {
29: abstract int getProperties(int ch);
30:
31: abstract int getType(int ch);
32:
33: abstract boolean isWhitespace(int ch);
34:
35: abstract boolean isMirrored(int ch);
36:
37: abstract boolean isJavaIdentifierStart(int ch);
38:
39: abstract boolean isJavaIdentifierPart(int ch);
40:
41: abstract boolean isUnicodeIdentifierStart(int ch);
42:
43: abstract boolean isUnicodeIdentifierPart(int ch);
44:
45: abstract boolean isIdentifierIgnorable(int ch);
46:
47: abstract int toLowerCase(int ch);
48:
49: abstract int toUpperCase(int ch);
50:
51: abstract int toTitleCase(int ch);
52:
53: abstract int digit(int ch, int radix);
54:
55: abstract int getNumericValue(int ch);
56:
57: abstract byte getDirectionality(int ch);
58:
59: //need to implement for JSR204
60: int toUpperCaseEx(int ch) {
61: return toUpperCase(ch);
62: }
63:
64: char[] toUpperCaseCharArray(int ch) {
65: return null;
66: }
67:
68: // Character <= 0xff (basic latin) is handled by internal fast-path
69: // to avoid initializing large tables.
70: // Note: performance of this "fast-path" code may be sub-optimal
71: // in negative cases for some accessors due to complicated ranges.
72: // Should revisit after optimization of table initialization.
73:
74: static final CharacterData of(int ch) {
75: if (ch >>> 8 == 0) { // fast-path
76: return CharacterDataLatin1.instance;
77: } else {
78: switch (ch >>> 16) { //plane 00-16
79: case (0):
80: return CharacterData00.instance;
81: case (1):
82: return CharacterData01.instance;
83: case (2):
84: return CharacterData02.instance;
85: case (14):
86: return CharacterData0E.instance;
87: case (15): // Private Use
88: case (16): // Private Use
89: return CharacterDataPrivateUse.instance;
90: default:
91: return CharacterDataUndefined.instance;
92: }
93: }
94: }
95: }
| 