--- /dev/null 2012-04-30 09:02:14.886776105 -0700 +++ new/test/sun/nio/cs/OLD/EUC_JP_LINUX_OLD.java 2012-07-19 09:43:01.000000000 -0700 @@ -0,0 +1,367 @@ +/* + * Copyright (c) 2002, 2010, 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. + */ + +/* + */ + +import java.nio.*; +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_LINUX_OLD + extends Charset + implements HistoricallyNamedCharset +{ + public EUC_JP_LINUX_OLD() { + super("x-euc-jp-linux_OLD", null); + } + + public String historicalName() { + return "EUC_JP_LINUX"; + } + + public boolean contains(Charset cs) { + return ((cs instanceof JIS_X_0201_OLD) + || (cs.name().equals("US-ASCII")) + || (cs instanceof EUC_JP_LINUX_OLD)); + } + + public CharsetDecoder newDecoder() { + return new Decoder(this); + } + + public CharsetEncoder newEncoder() { + return new Encoder(this); + } + + private static class Decoder extends CharsetDecoder { + JIS_X_0201_OLD.Decoder decoderJ0201; + protected final char REPLACE_CHAR='\uFFFD'; + + private static final int start = 0xa1; + private static final int end = 0xfe; + private static final short[] jis0208Index1 = + JIS_X_0208_Decoder.getIndex1(); + private static final String[] jis0208Index2 = + JIS_X_0208_Decoder.getIndex2(); + + private Decoder(Charset cs) { + super(cs, 1.0f, 1.0f); + decoderJ0201 = new JIS_X_0201_OLD.Decoder(cs); + } + + protected char convSingleByte(int b) { + if (b < 0 || b > 0x7f) + return REPLACE_CHAR; + return decoderJ0201.decode(b); + } + + protected char decodeDouble(int byte1, int byte2) { + if (byte1 == 0x8e) { + return decoderJ0201.decode(byte2 - 256); + } + + if (((byte1 < 0) || (byte1 > jis0208Index1.length)) + || ((byte2 < start) || (byte2 > end))) + return REPLACE_CHAR; + + int n = (jis0208Index1[byte1 - 0x80] & 0xf) * (end - start + 1) + + (byte2 - start); + return jis0208Index2[jis0208Index1[byte1 - 0x80] >> 4].charAt(n); + } + + private CoderResult decodeArrayLoop(ByteBuffer src, + CharBuffer dst) + { + byte[] sa = src.array(); + int sp = src.arrayOffset() + src.position(); + int sl = src.arrayOffset() + src.limit(); + assert (sp <= sl); + sp = (sp <= sl ? sp : sl); + + char[] da = dst.array(); + int dp = dst.arrayOffset() + dst.position(); + int dl = dst.arrayOffset() + dst.limit(); + assert (dp <= dl); + dp = (dp <= dl ? dp : dl); + + int b1 = 0, b2 = 0; + int inputSize = 0; + char outputChar = REPLACE_CHAR; // U+FFFD; + + try { + while (sp < sl) { + b1 = sa[sp] & 0xff; + inputSize = 1; + if ((b1 & 0x80) == 0) { + outputChar = (char)b1; + } + else { // Multibyte char + if ((b1 & 0xff) == 0x8f) { // JIS0212 + if (sp + 3 > sl) + return CoderResult.UNDERFLOW; + inputSize = 3; + return CoderResult.unmappableForLength(inputSize); // substitute + } else { + // JIS0208 + if (sp + 2 > sl) + return CoderResult.UNDERFLOW; + b2 = sa[sp + 1] & 0xff; + inputSize = 2; + outputChar = decodeDouble(b1, b2); + } + } + if (outputChar == REPLACE_CHAR) { // can't be decoded + return CoderResult.unmappableForLength(inputSize); + } + if (dp + 1 > dl) + return CoderResult.OVERFLOW; + da[dp++] = outputChar; + sp += inputSize; + } + return CoderResult.UNDERFLOW; + } finally { + src.position(sp - src.arrayOffset()); + dst.position(dp - dst.arrayOffset()); + } + } + + private CoderResult decodeBufferLoop(ByteBuffer src, + CharBuffer dst) + { + int mark = src.position(); + char outputChar = REPLACE_CHAR; // U+FFFD; + + try { + while (src.hasRemaining()) { + int b1 = src.get() & 0xff; + int inputSize = 1; + + if ((b1 & 0x80) == 0) { + outputChar = (char)b1; + } else { // Multibyte char + + if ((b1 & 0xff) == 0x8f) { // JIS0212 not supported + if (src.remaining() < 2) + return CoderResult.UNDERFLOW; + return CoderResult.unmappableForLength(3); + } else { + // JIS0208 + if (src.remaining() < 1) + return CoderResult.UNDERFLOW; + int b2 = src.get() & 0xff; + inputSize++; + outputChar = decodeDouble(b1, b2); + } + } + + if (outputChar == REPLACE_CHAR) + return CoderResult.unmappableForLength(inputSize); + if (dst.remaining() < 1) + return CoderResult.OVERFLOW; + dst.put(outputChar); + mark += inputSize; + } + return CoderResult.UNDERFLOW; + } finally { + src.position(mark); + } + } + + protected CoderResult decodeLoop(ByteBuffer src, + CharBuffer dst) + { + if (src.hasArray() && dst.hasArray()) + return decodeArrayLoop(src, dst); + else + return decodeBufferLoop(src, dst); + } + } + + + private static class Encoder extends CharsetEncoder { + + JIS_X_0201_OLD.Encoder encoderJ0201; + + private final Surrogate.Parser sgp = new Surrogate.Parser(); + private static final short[] jis0208Index1 = + JIS_X_0208_Encoder.getIndex1(); + private static final String[] jis0208Index2 = + JIS_X_0208_Encoder.getIndex2(); + + private Encoder(Charset cs) { + super(cs, 2.0f, 2.0f); + encoderJ0201 = new JIS_X_0201_OLD.Encoder(cs); + } + + public boolean canEncode(char c) { + byte[] encodedBytes = new byte[2]; + + if (encodeSingle(c, encodedBytes) == 0) { //doublebyte + if (encodeDouble(c) == 0) + return false; + } + return true; + } + + 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 offset = jis0208Index1[((ch & 0xff00) >> 8 )] << 8; + int r = jis0208Index2[offset >> 12].charAt((offset & 0xfff) + (ch & 0xff)); + if (r != 0) + return r + 0x8080; + return r; + } + + private CoderResult encodeArrayLoop(CharBuffer src, + ByteBuffer dst) + { + char[] sa = src.array(); + int sp = src.arrayOffset() + src.position(); + int sl = src.arrayOffset() + src.limit(); + assert (sp <= sl); + sp = (sp <= sl ? sp : sl); + byte[] da = dst.array(); + int dp = dst.arrayOffset() + dst.position(); + int dl = dst.arrayOffset() + dst.limit(); + assert (dp <= dl); + dp = (dp <= dl ? dp : dl); + + final byte[] outputByte = new byte[2]; + + try { + while (sp < sl) { + char c = sa[sp]; + + if (Character.isSurrogate(c)) { + if (sgp.parse(c, sa, sp, sl) < 0) + return sgp.error(); + return sgp.unmappableResult(); + } + + int outputSize = encodeSingle(c, outputByte); + if (outputSize == 0) { // DoubleByte + int ncode = encodeDouble(c); + if (ncode != 0 && ((ncode & 0xFF0000) == 0)) { + outputByte[0] = (byte) ((ncode & 0xff00) >> 8); + outputByte[1] = (byte) (ncode & 0xff); + outputSize = 2; + } else { + return CoderResult.unmappableForLength(1); + } + } + + if (dl - dp < outputSize) + return CoderResult.OVERFLOW; + // Put the byte in the output buffer + for (int i = 0; i < outputSize; i++) { + da[dp++] = outputByte[i]; + } + sp++; + } + return CoderResult.UNDERFLOW; + } finally { + src.position(sp - src.arrayOffset()); + dst.position(dp - dst.arrayOffset()); + } + } + + private CoderResult encodeBufferLoop(CharBuffer src, + ByteBuffer dst) + { + final byte[] outputByte = new byte[4]; + int mark = src.position(); + + try { + while (src.hasRemaining()) { + char c = src.get(); + if (Character.isSurrogate(c)) { + if (sgp.parse(c, src) < 0) + return sgp.error(); + return sgp.unmappableResult(); + } + + int outputSize = encodeSingle(c, outputByte); + if (outputSize == 0) { // DoubleByte + int ncode = encodeDouble(c); + if (ncode != 0 ) { + if ((ncode & 0xFF0000) == 0) { + outputByte[0] = (byte) ((ncode & 0xff00) >> 8); + outputByte[1] = (byte) (ncode & 0xff); + outputSize = 2; + } + } else { + return CoderResult.unmappableForLength(1); + } + } + + if (dst.remaining() < outputSize) + return CoderResult.OVERFLOW; + + // Put the byte in the output buffer + for (int i = 0; i < outputSize; i++) { + dst.put(outputByte[i]); + } + mark++; + } + return CoderResult.UNDERFLOW; + } finally { + src.position(mark); + } + } + + protected CoderResult encodeLoop(CharBuffer src, + ByteBuffer dst) + { + if (src.hasArray() && dst.hasArray()) + return encodeArrayLoop(src, dst); + else + return encodeBufferLoop(src, dst); + } + } +}