--- a/jdk/src/jdk.charsets/share/classes/sun/nio/cs/ext/EUC_JP.java Thu Feb 19 11:24:03 2015 -0800
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,411 +0,0 @@
-/*
- * Copyright (c) 2002, 2012, 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;
-import sun.nio.cs.SingleByte;
-import static sun.nio.cs.CharsetMapping.*;
-
-public class EUC_JP
- extends Charset
- implements HistoricallyNamedCharset
-{
- public EUC_JP() {
- super("EUC-JP", ExtendedCharsets.aliasesFor("EUC-JP"));
- }
-
- public String historicalName() {
- return "EUC_JP";
- }
-
- public boolean contains(Charset cs) {
- return ((cs.name().equals("US-ASCII"))
- || (cs instanceof JIS_X_0201)
- || (cs instanceof JIS_X_0208)
- || (cs instanceof JIS_X_0212)
- || (cs instanceof EUC_JP));
- }
-
- public CharsetDecoder newDecoder() {
- return new Decoder(this);
- }
-
- public CharsetEncoder newEncoder() {
- return new Encoder(this);
- }
-
- static class Decoder extends CharsetDecoder
- implements DelegatableDecoder {
-
- final static SingleByte.Decoder DEC0201 =
- (SingleByte.Decoder)new JIS_X_0201().newDecoder();
-
- final static DoubleByte.Decoder DEC0208 =
- (DoubleByte.Decoder)new JIS_X_0208().newDecoder();
-
- final static DoubleByte.Decoder DEC0212 =
- (DoubleByte.Decoder)new JIS_X_0212().newDecoder();
-
- private final SingleByte.Decoder dec0201;
- private final DoubleByte.Decoder dec0208;
- private final DoubleByte.Decoder dec0212;
-
- protected Decoder(Charset cs) {
- this(cs, 0.5f, 1.0f, DEC0201, DEC0208, DEC0212);
- }
-
- protected Decoder(Charset cs, float avgCpb, float maxCpb,
- SingleByte.Decoder dec0201,
- DoubleByte.Decoder dec0208,
- DoubleByte.Decoder dec0212) {
- super(cs, avgCpb, maxCpb);
- this.dec0201 = dec0201;
- this.dec0208 = dec0208;
- this.dec0212 = dec0212;
- }
-
-
- protected char decodeDouble(int byte1, int byte2) {
- if (byte1 == 0x8e) {
- if (byte2 < 0x80)
- return UNMAPPABLE_DECODING;
- return dec0201.decode((byte)byte2);
- }
- return dec0208.decodeDouble(byte1 - 0x80, byte2 - 0x80);
- }
-
- 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 = UNMAPPABLE_DECODING;
- try {
- while (sp < sl) {
- b1 = sa[sp] & 0xff;
- inputSize = 1;
-
- if ((b1 & 0x80) == 0) {
- outputChar = (char)b1;
- } else { // Multibyte char
- if (b1 == 0x8f) { // JIS0212
- if (sp + 3 > sl)
- return CoderResult.UNDERFLOW;
- b1 = sa[sp + 1] & 0xff;
- b2 = sa[sp + 2] & 0xff;
- inputSize += 2;
- if (dec0212 == null) // JIS02012 not supported
- return CoderResult.unmappableForLength(inputSize);
- outputChar = dec0212.decodeDouble(b1-0x80, b2-0x80);
- } else { // JIS0201, JIS0208
- if (sp + 2 > sl)
- return CoderResult.UNDERFLOW;
- b2 = sa[sp + 1] & 0xff;
- inputSize++;
- outputChar = decodeDouble(b1, b2);
- }
- }
- if (outputChar == UNMAPPABLE_DECODING) { // 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();
- int b1 = 0, b2 = 0;
- int inputSize = 0;
- char outputChar = UNMAPPABLE_DECODING;
-
- try {
- while (src.hasRemaining()) {
- b1 = src.get() & 0xff;
- inputSize = 1;
- if ((b1 & 0x80) == 0) {
- outputChar = (char)b1;
- } else { // Multibyte char
- if (b1 == 0x8f) { // JIS0212
- if (src.remaining() < 2)
- return CoderResult.UNDERFLOW;
- b1 = src.get() & 0xff;
- b2 = src.get() & 0xff;
- inputSize += 2;
- if (dec0212 == null) // JIS02012 not supported
- return CoderResult.unmappableForLength(inputSize);
- outputChar = dec0212.decodeDouble(b1-0x80, b2-0x80);
- } else { // JIS0201 JIS0208
- if (src.remaining() < 1)
- return CoderResult.UNDERFLOW;
- b2 = src.get() & 0xff;
- inputSize++;
- outputChar = decodeDouble(b1, b2);
- }
- }
- if (outputChar == UNMAPPABLE_DECODING) {
- return CoderResult.unmappableForLength(inputSize);
- }
- if (dst.remaining() < 1)
- return CoderResult.OVERFLOW;
- dst.put(outputChar);
- mark += inputSize;
- }
- return CoderResult.UNDERFLOW;
- } finally {
- src.position(mark);
- }
- }
-
- // Make some protected methods public for use by JISAutoDetect
- public CoderResult decodeLoop(ByteBuffer src, CharBuffer dst) {
- if (src.hasArray() && dst.hasArray())
- return decodeArrayLoop(src, dst);
- else
- return decodeBufferLoop(src, dst);
- }
- public void implReset() {
- super.implReset();
- }
- public CoderResult implFlush(CharBuffer out) {
- return super.implFlush(out);
- }
- }
-
-
- static class Encoder extends CharsetEncoder {
-
- final static SingleByte.Encoder ENC0201 =
- (SingleByte.Encoder)new JIS_X_0201().newEncoder();
-
- final static DoubleByte.Encoder ENC0208 =
- (DoubleByte.Encoder)new JIS_X_0208().newEncoder();
-
- final static DoubleByte.Encoder ENC0212 =
- (DoubleByte.Encoder)new JIS_X_0212().newEncoder();
-
- private final Surrogate.Parser sgp = new Surrogate.Parser();
-
-
- private final SingleByte.Encoder enc0201;
- private final DoubleByte.Encoder enc0208;
- private final DoubleByte.Encoder enc0212;
-
- protected Encoder(Charset cs) {
- this(cs, 3.0f, 3.0f, ENC0201, ENC0208, ENC0212);
- }
-
- protected Encoder(Charset cs, float avgBpc, float maxBpc,
- SingleByte.Encoder enc0201,
- DoubleByte.Encoder enc0208,
- DoubleByte.Encoder enc0212) {
- super(cs, avgBpc, maxBpc);
- this.enc0201 = enc0201;
- this.enc0208 = enc0208;
- this.enc0212 = enc0212;
- }
-
- public boolean canEncode(char c) {
- byte[] encodedBytes = new byte[3];
- return encodeSingle(c, encodedBytes) != 0 ||
- encodeDouble(c) != UNMAPPABLE_ENCODING;
- }
-
- protected int encodeSingle(char inputChar, byte[] outputByte) {
- int b = enc0201.encode(inputChar);
- if (b == UNMAPPABLE_ENCODING)
- return 0;
- if (b >= 0 && b < 128) {
- outputByte[0] = (byte)b;
- return 1;
- }
- outputByte[0] = (byte)0x8e;
- outputByte[1] = (byte)b;
- return 2;
- }
-
- protected int encodeDouble(char ch) {
- int b = enc0208.encodeChar(ch);
- if (b != UNMAPPABLE_ENCODING)
- return b + 0x8080;
- if (enc0212 != null) {
- b = enc0212.encodeChar(ch);
- if (b != UNMAPPABLE_ENCODING)
- b += 0x8F8080;
- }
- return b;
- }
-
- 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);
-
- int outputSize = 0;
- byte[] outputByte;
- int inputSize = 0; // Size of input
- byte[] tmpBuf = new byte[3];
-
- try {
- while (sp < sl) {
- outputByte = tmpBuf;
- char c = sa[sp];
- if (Character.isSurrogate(c)) {
- if (sgp.parse(c, sa, sp, sl) < 0)
- return sgp.error();
- return sgp.unmappableResult();
- }
- outputSize = encodeSingle(c, outputByte);
- if (outputSize == 0) { // DoubleByte
- int ncode = encodeDouble(c);
- if (ncode != UNMAPPABLE_ENCODING) {
- if ((ncode & 0xFF0000) == 0) {
- outputByte[0] = (byte) ((ncode & 0xff00) >> 8);
- outputByte[1] = (byte) (ncode & 0xff);
- outputSize = 2;
- } else {
- outputByte[0] = (byte) 0x8f;
- outputByte[1] = (byte) ((ncode & 0xff00) >> 8);
- outputByte[2] = (byte) (ncode & 0xff);
- outputSize = 3;
- }
- } 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)
- {
- int outputSize = 0;
- byte[] outputByte;
- int inputSize = 0; // Size of input
- byte[] tmpBuf = new byte[3];
-
- int mark = src.position();
-
- try {
- while (src.hasRemaining()) {
- outputByte = tmpBuf;
- char c = src.get();
- if (Character.isSurrogate(c)) {
- if (sgp.parse(c, src) < 0)
- return sgp.error();
- return sgp.unmappableResult();
- }
- outputSize = encodeSingle(c, outputByte);
- if (outputSize == 0) { // DoubleByte
- int ncode = encodeDouble(c);
- if (ncode != UNMAPPABLE_ENCODING) {
- if ((ncode & 0xFF0000) == 0) {
- outputByte[0] = (byte) ((ncode & 0xff00) >> 8);
- outputByte[1] = (byte) (ncode & 0xff);
- outputSize = 2;
- } else {
- outputByte[0] = (byte) 0x8f;
- outputByte[1] = (byte) ((ncode & 0xff00) >> 8);
- outputByte[2] = (byte) (ncode & 0xff);
- outputSize = 3;
- }
- } 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);
- }
- }
-}