1 /* 2 * Copyright (c) 2002, 2004, 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 sun.nio.cs.ext; 27 28 import java.nio.charset.Charset; 29 import java.nio.charset.CharsetDecoder; 30 import java.nio.charset.CharsetEncoder; 31 import sun.nio.cs.HistoricallyNamedCharset; 32 import static sun.nio.cs.CharsetMapping.*; 33 34 public class MS950_HKSCS_XP extends Charset 35 { 36 public MS950_HKSCS_XP() { 37 super("x-MS950-HKSCS-XP", ExtendedCharsets.aliasesFor("x-MS950-HKSCS-XP")); 38 } 39 40 public boolean contains(Charset cs) { 41 return ((cs.name().equals("US-ASCII")) 42 || (cs instanceof MS950) 43 || (cs instanceof MS950_HKSCS_XP)); 44 } 45 46 public CharsetDecoder newDecoder() { 47 return new Decoder(this); 48 } 49 50 public CharsetEncoder newEncoder() { 51 return new Encoder(this); 52 } 53 54 static class Decoder extends HKSCS.Decoder { 55 private static DoubleByte.Decoder ms950 = 56 (DoubleByte.Decoder)new MS950().newDecoder(); 57 58 /* 59 * Note current decoder decodes 0x8BC2 --> U+F53A 60 * ie. maps to Unicode PUA. 61 * Unaccounted discrepancy between this mapping 62 * inferred from MS950/windows-950 and the published 63 * MS HKSCS mappings which maps 0x8BC2 --> U+5C22 64 * a character defined with the Unified CJK block 65 */ 66 private static char[][] b2cBmp = new char[0x100][]; 67 static { 68 initb2c(b2cBmp, HKSCS_XPMapping.b2cBmpStr); 69 } 70 71 public char decodeDoubleEx(int b1, int b2) { 72 return UNMAPPABLE_DECODING; 73 } 74 75 private Decoder(Charset cs) { 76 super(cs, ms950, b2cBmp, null); 77 } 78 } 79 80 private static class Encoder extends HKSCS.Encoder { 81 private static DoubleByte.Encoder ms950 = 82 (DoubleByte.Encoder)new MS950().newEncoder(); 83 84 /* 85 * Note current encoder encodes U+F53A --> 0x8BC2 86 * Published MS HKSCS mappings show 87 * U+5C22 <--> 0x8BC2 88 */ 89 static char[][] c2bBmp = new char[0x100][]; 90 static { 91 initc2b(c2bBmp, HKSCS_XPMapping.b2cBmpStr, null); 92 } 93 94 public int encodeSupp(int cp) { 95 return UNMAPPABLE_ENCODING; 96 } 97 98 private Encoder(Charset cs) { 99 super(cs, ms950, c2bBmp, null); 100 } 101 } 102 }