| /* |
| * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| */ |
| |
| package sun.nio.cs.ext; |
| |
| import java.nio.ByteBuffer; |
| import java.nio.CharBuffer; |
| import java.nio.charset.Charset; |
| import java.nio.charset.CharsetDecoder; |
| import java.nio.charset.CharsetEncoder; |
| import java.nio.charset.CoderResult; |
| import sun.nio.cs.HistoricallyNamedCharset; |
| import sun.nio.cs.Surrogate; |
| |
| public class EUC_JP_Open |
| extends Charset |
| implements HistoricallyNamedCharset |
| { |
| public EUC_JP_Open() { |
| super("x-eucJP-Open", ExtendedCharsets.aliasesFor("x-eucJP-Open")); |
| } |
| |
| public String historicalName() { |
| return "EUC_JP_Solaris"; |
| } |
| |
| public boolean contains(Charset cs) { |
| return ((cs.name().equals("US-ASCII")) |
| || (cs instanceof JIS_X_0201) |
| || (cs instanceof EUC_JP)); |
| } |
| |
| public CharsetDecoder newDecoder() { |
| return new Decoder(this); |
| } |
| |
| public CharsetEncoder newEncoder() { |
| |
| // Need to force the replacement byte to 0x3f |
| // because JIS_X_0208_Encoder defines its own |
| // alternative 2 byte substitution to permit it |
| // to exist as a self-standing Encoder |
| |
| byte[] replacementBytes = { (byte)0x3f }; |
| return new Encoder(this).replaceWith(replacementBytes); |
| } |
| |
| private static class Decoder extends EUC_JP.Decoder { |
| JIS_X_0201.Decoder decoderJ0201; |
| JIS_X_0212_Solaris_Decoder decodeMappingJ0212; |
| JIS_X_0208_Solaris_Decoder decodeMappingJ0208; |
| |
| short[] j0208Index1; |
| String[] j0208Index2; |
| |
| protected final char REPLACE_CHAR='\uFFFD'; |
| |
| private Decoder(Charset cs) { |
| super(cs); |
| decoderJ0201 = new JIS_X_0201.Decoder(cs); |
| decodeMappingJ0212 = new JIS_X_0212_Solaris_Decoder(cs); |
| decodeMappingJ0208 = new JIS_X_0208_Solaris_Decoder(cs); |
| decodeMappingJ0208.start = 0xa1; |
| decodeMappingJ0208.end = 0xfe; |
| j0208Index1 = decodeMappingJ0208.getIndex1(); |
| j0208Index2 = decodeMappingJ0208.getIndex2(); |
| } |
| |
| |
| protected char decode0212(int byte1, int byte2) { |
| return decodeMappingJ0212.decodeDouble(byte1, byte2); |
| |
| } |
| |
| protected char decodeDouble(int byte1, int byte2) { |
| if (byte1 == 0x8e) { |
| return decoderJ0201.decode(byte2 - 256); |
| } |
| |
| if (((byte1 < 0) |
| || (byte1 > decodeMappingJ0208.getIndex1().length)) |
| || ((byte2 < decodeMappingJ0208.start) |
| || (byte2 > decodeMappingJ0208.end))) |
| return REPLACE_CHAR; |
| |
| char result = super.decodeDouble(byte1, byte2); |
| if (result != '\uFFFD') { |
| return result; |
| } else { |
| int n = (j0208Index1[byte1 - 0x80] & 0xf) * |
| (decodeMappingJ0208.end - decodeMappingJ0208.start + 1) |
| + (byte2 - decodeMappingJ0208.start); |
| return j0208Index2[j0208Index1[byte1 - 0x80] >> 4].charAt(n); |
| } |
| } |
| } |
| |
| |
| private static class Encoder extends EUC_JP.Encoder { |
| |
| JIS_X_0201.Encoder encoderJ0201; |
| JIS_X_0212_Solaris_Encoder encoderJ0212; |
| JIS_X_0208_Solaris_Encoder encoderJ0208; |
| |
| short[] j0208Index1; |
| String[] j0208Index2; |
| |
| private final Surrogate.Parser sgp = new Surrogate.Parser(); |
| |
| private Encoder(Charset cs) { |
| super(cs); |
| encoderJ0201 = new JIS_X_0201.Encoder(cs); |
| encoderJ0212 = new JIS_X_0212_Solaris_Encoder(cs); |
| encoderJ0208 = new JIS_X_0208_Solaris_Encoder(cs); |
| j0208Index1 = encoderJ0208.getIndex1(); |
| j0208Index2 = encoderJ0208.getIndex2(); |
| } |
| |
| protected int encodeSingle(char inputChar, byte[] outputByte) { |
| byte b; |
| |
| if (inputChar == 0) { |
| outputByte[0] = (byte)0; |
| return 1; |
| } |
| |
| if ((b = encoderJ0201.encode(inputChar)) == 0) |
| return 0; |
| |
| if (b > 0 && b < 128) { |
| outputByte[0] = b; |
| return 1; |
| } |
| |
| outputByte[0] = (byte)0x8e; |
| outputByte[1] = b; |
| return 2; |
| } |
| |
| protected int encodeDouble(char ch) { |
| int r = super.encodeDouble(ch); |
| if (r != 0) { |
| return r; |
| } |
| else { |
| int offset = j0208Index1[((ch & 0xff00) >> 8 )] << 8; |
| r = j0208Index2[offset >> 12].charAt((offset & 0xfff) + |
| (ch & 0xFF)); |
| if (r > 0x7500) |
| return 0x8F8080 + encoderJ0212.encodeDouble(ch); |
| } |
| return (r==0 ? 0: r + 0x8080); |
| } |
| } |
| } |