1/* 2 * Copyright (c) 2002, 2010, 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 26package $PACKAGE$; 27 28import java.nio.charset.Charset; 29import java.nio.charset.CharsetDecoder; 30import java.nio.charset.CharsetEncoder; 31import sun.nio.cs.DoubleByte; 32import sun.nio.cs.HKSCS; 33import sun.nio.cs.HistoricallyNamedCharset; 34import static sun.nio.cs.CharsetMapping.*; 35 36public class MS950_HKSCS_XP extends Charset 37{ 38 public MS950_HKSCS_XP() { 39 super("x-MS950-HKSCS-XP", $ALIASES$); 40 } 41 42 public boolean contains(Charset cs) { 43 return ((cs.name().equals("US-ASCII")) 44 || (cs instanceof MS950) 45 || (cs instanceof MS950_HKSCS_XP)); 46 } 47 48 public CharsetDecoder newDecoder() { 49 return new Decoder(this); 50 } 51 52 public CharsetEncoder newEncoder() { 53 return new Encoder(this); 54 } 55 56 static class Decoder extends HKSCS.Decoder { 57 private static DoubleByte.Decoder ms950 = 58 (DoubleByte.Decoder)new MS950().newDecoder(); 59 60 /* 61 * Note current decoder decodes 0x8BC2 --> U+F53A 62 * ie. maps to Unicode PUA. 63 * Unaccounted discrepancy between this mapping 64 * inferred from MS950/windows-950 and the published 65 * MS HKSCS mappings which maps 0x8BC2 --> U+5C22 66 * a character defined with the Unified CJK block 67 */ 68 private static char[][] b2cBmp = new char[0x100][]; 69 static { 70 initb2c(b2cBmp, HKSCS_XPMapping.b2cBmpStr); 71 } 72 73 public char decodeDoubleEx(int b1, int b2) { 74 return UNMAPPABLE_DECODING; 75 } 76 77 private Decoder(Charset cs) { 78 super(cs, ms950, b2cBmp, null); 79 } 80 } 81 82 private static class Encoder extends HKSCS.Encoder { 83 private static DoubleByte.Encoder ms950 = 84 (DoubleByte.Encoder)new MS950().newEncoder(); 85 86 /* 87 * Note current encoder encodes U+F53A --> 0x8BC2 88 * Published MS HKSCS mappings show 89 * U+5C22 <--> 0x8BC2 90 */ 91 static char[][] c2bBmp = new char[0x100][]; 92 static { 93 initc2b(c2bBmp, HKSCS_XPMapping.b2cBmpStr, null); 94 } 95 96 public int encodeSupp(int cp) { 97 return UNMAPPABLE_ENCODING; 98 } 99 100 private Encoder(Charset cs) { 101 super(cs, ms950, c2bBmp, null); 102 } 103 } 104} 105