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| 1 | /* | ||
| 2 | * Copyright (c) 1996, 1998, 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.io; | ||
| 27 | |||
| 28 | /** | ||
| 29 | * The SJIS converters follow the Shift JIS definition in the JIS | ||
| 30 | * X0208:1997 standard as much as possible. The MS932 converters must | ||
| 31 | * be used where the Microsoft Code Page 932 character repertoire and | ||
| 32 | * Unicode mappings are required. | ||
| 33 | * | ||
| 34 | * @author Limin Shi | ||
| 35 | * @author Mark Son-Bell | ||
| 36 | */ | ||
| 37 | |||
| 38 | public class ByteToCharSJIS extends ByteToCharJIS0208 { | ||
| 39 | ByteToCharJIS0201 bcJIS0201 = new ByteToCharJIS0201(); | ||
| 40 | |||
| 41 | public String getCharacterEncoding() { | ||
| 42 | return "SJIS"; | ||
| 43 | } | ||
| 44 | |||
| 45 | protected char convSingleByte(int b) { | ||
| 46 | // If the high bits are all off, it's ASCII == Unicode | ||
| 47 | if ((b & 0xFF80) == 0) { | ||
| 48 | return (char)b; | ||
| 49 | } | ||
| 50 | return bcJIS0201.getUnicode(b); | ||
| 51 | } | ||
| 52 | |||
| 53 | protected char getUnicode(int c1, int c2) { | ||
| 54 | int adjust = c2 < 0x9F ? 1 : 0; | ||
| 55 | int rowOffset = c1 < 0xA0 ? 0x70 : 0xB0; | ||
| 56 | int cellOffset = (adjust == 1) ? (c2 > 0x7F ? 0x20 : 0x1F) : 0x7E; | ||
| 57 | int b1 = ((c1 - rowOffset) << 1) - adjust; | ||
| 58 | int b2 = c2 - cellOffset; | ||
| 59 | return super.getUnicode(b1, b2); | ||
| 60 | } | ||
| 61 | |||
| 62 | String prt(int i) { | ||
| 63 | return Integer.toString(i,16); | ||
| 64 | } | ||
| 65 | } | ||