1 /* |
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2 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 package sun.nio.cs.ext; |
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27 |
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28 import java.nio.charset.Charset; |
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29 import java.nio.charset.CharsetDecoder; |
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30 import java.nio.charset.CharsetEncoder; |
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31 import sun.nio.cs.HistoricallyNamedCharset; |
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32 import static sun.nio.cs.CharsetMapping.*; |
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33 |
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34 public class MS950_HKSCS_XP extends Charset |
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35 { |
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36 public MS950_HKSCS_XP() { |
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37 super("x-MS950-HKSCS-XP", ExtendedCharsets.aliasesFor("x-MS950-HKSCS-XP")); |
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38 } |
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39 |
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40 public boolean contains(Charset cs) { |
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41 return ((cs.name().equals("US-ASCII")) |
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42 || (cs instanceof MS950) |
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43 || (cs instanceof MS950_HKSCS_XP)); |
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44 } |
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45 |
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46 public CharsetDecoder newDecoder() { |
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47 return new Decoder(this); |
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48 } |
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49 |
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50 public CharsetEncoder newEncoder() { |
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51 return new Encoder(this); |
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52 } |
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53 |
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54 static class Decoder extends HKSCS.Decoder { |
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55 private static DoubleByte.Decoder ms950 = |
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56 (DoubleByte.Decoder)new MS950().newDecoder(); |
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57 |
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58 /* |
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59 * Note current decoder decodes 0x8BC2 --> U+F53A |
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60 * ie. maps to Unicode PUA. |
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61 * Unaccounted discrepancy between this mapping |
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62 * inferred from MS950/windows-950 and the published |
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63 * MS HKSCS mappings which maps 0x8BC2 --> U+5C22 |
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64 * a character defined with the Unified CJK block |
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65 */ |
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66 private static char[][] b2cBmp = new char[0x100][]; |
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67 static { |
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68 initb2c(b2cBmp, HKSCS_XPMapping.b2cBmpStr); |
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69 } |
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70 |
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71 public char decodeDoubleEx(int b1, int b2) { |
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72 return UNMAPPABLE_DECODING; |
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73 } |
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74 |
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75 private Decoder(Charset cs) { |
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76 super(cs, ms950, b2cBmp, null); |
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77 } |
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78 } |
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79 |
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80 private static class Encoder extends HKSCS.Encoder { |
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81 private static DoubleByte.Encoder ms950 = |
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82 (DoubleByte.Encoder)new MS950().newEncoder(); |
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83 |
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84 /* |
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85 * Note current encoder encodes U+F53A --> 0x8BC2 |
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86 * Published MS HKSCS mappings show |
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87 * U+5C22 <--> 0x8BC2 |
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88 */ |
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89 static char[][] c2bBmp = new char[0x100][]; |
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90 static { |
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91 initc2b(c2bBmp, HKSCS_XPMapping.b2cBmpStr, null); |
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92 } |
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93 |
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94 public int encodeSupp(int cp) { |
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95 return UNMAPPABLE_ENCODING; |
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96 } |
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97 |
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98 private Encoder(Charset cs) { |
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99 super(cs, ms950, c2bBmp, null); |
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100 } |
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101 } |
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102 } |
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