author | kshefov |
Fri, 19 Sep 2014 13:00:17 +0400 | |
changeset 26718 | d0a67c728876 |
parent 25859 | 3317bb8137f4 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.nio.cs.ext; |
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import java.nio.ByteBuffer; |
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import java.nio.CharBuffer; |
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import java.nio.charset.Charset; |
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import java.nio.charset.CharsetDecoder; |
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import java.nio.charset.CharsetEncoder; |
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import java.nio.charset.CoderResult; |
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import java.util.Arrays; |
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import sun.nio.cs.Surrogate; |
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import sun.nio.cs.ArrayDecoder; |
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import sun.nio.cs.ArrayEncoder; |
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import static sun.nio.cs.CharsetMapping.*; |
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/* |
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* Four types of "DoubleByte" charsets are implemented in this class |
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* (1)DoubleByte |
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* The "mostly widely used" multibyte charset, a combination of |
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* a singlebyte character set (usually the ASCII charset) and a |
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* doublebyte character set. The codepoint values of singlebyte |
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* and doublebyte don't overlap. Microsoft's multibyte charsets |
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* and IBM's "DBCS_ASCII" charsets, such as IBM1381, 942, 943, |
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* 948, 949 and 950 are such charsets. |
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* |
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* (2)DoubleByte_EBCDIC |
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* IBM EBCDIC Mix multibyte charset. Use SO and SI to shift (switch) |
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* in and out between the singlebyte character set and doublebyte |
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* character set. |
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* |
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* (3)DoubleByte_SIMPLE_EUC |
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* It's a "simple" form of EUC encoding scheme, only have the |
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* singlebyte character set G0 and one doublebyte character set |
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* G1 are defined, G2 (with SS2) and G3 (with SS3) are not used. |
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* So it is actually the same as the "typical" type (1) mentioned |
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* above, except it return "malformed" for the SS2 and SS3 when |
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* decoding. |
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* |
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* (4)DoubleByte ONLY |
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* A "pure" doublebyte only character set. From implementation |
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* point of view, this is the type (1) with "decodeSingle" always |
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* returns unmappable. |
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* |
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* For simplicity, all implementations share the same decoding and |
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* encoding data structure. |
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* |
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* Decoding: |
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* |
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* char[][] b2c; |
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* char[] b2cSB; |
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* int b2Min, b2Max |
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* |
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* public char decodeSingle(int b) { |
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* return b2cSB.[b]; |
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* } |
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* |
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* public char decodeDouble(int b1, int b2) { |
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* if (b2 < b2Min || b2 > b2Max) |
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* return UNMAPPABLE_DECODING; |
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* return b2c[b1][b2 - b2Min]; |
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* } |
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* |
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* (1)b2Min, b2Max are the corresponding min and max value of the |
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* low-half of the double-byte. |
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* (2)The high 8-bit/b1 of the double-byte are used to indexed into |
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* b2c array. |
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* |
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* Encoding: |
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* |
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* char[] c2b; |
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* char[] c2bIndex; |
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* |
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* public int encodeChar(char ch) { |
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* return c2b[c2bIndex[ch >> 8] + (ch & 0xff)]; |
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* } |
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* |
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*/ |
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public class DoubleByte { |
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public final static char[] B2C_UNMAPPABLE; |
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static { |
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B2C_UNMAPPABLE = new char[0x100]; |
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Arrays.fill(B2C_UNMAPPABLE, UNMAPPABLE_DECODING); |
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} |
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public static class Decoder extends CharsetDecoder |
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implements DelegatableDecoder, ArrayDecoder |
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{ |
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final char[][] b2c; |
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final char[] b2cSB; |
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final int b2Min; |
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final int b2Max; |
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// for SimpleEUC override |
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protected CoderResult crMalformedOrUnderFlow(int b) { |
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return CoderResult.UNDERFLOW; |
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} |
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protected CoderResult crMalformedOrUnmappable(int b1, int b2) { |
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if (b2c[b1] == B2C_UNMAPPABLE || // isNotLeadingByte(b1) |
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b2c[b2] != B2C_UNMAPPABLE || // isLeadingByte(b2) |
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decodeSingle(b2) != UNMAPPABLE_DECODING) { // isSingle(b2) |
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return CoderResult.malformedForLength(1); |
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} |
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return CoderResult.unmappableForLength(2); |
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} |
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Decoder(Charset cs, float avgcpb, float maxcpb, |
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char[][] b2c, char[] b2cSB, |
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int b2Min, int b2Max) { |
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super(cs, avgcpb, maxcpb); |
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this.b2c = b2c; |
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this.b2cSB = b2cSB; |
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this.b2Min = b2Min; |
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this.b2Max = b2Max; |
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} |
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Decoder(Charset cs, char[][] b2c, char[] b2cSB, int b2Min, int b2Max) { |
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this(cs, 0.5f, 1.0f, b2c, b2cSB, b2Min, b2Max); |
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} |
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protected CoderResult decodeArrayLoop(ByteBuffer src, CharBuffer dst) { |
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byte[] sa = src.array(); |
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int sp = src.arrayOffset() + src.position(); |
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int sl = src.arrayOffset() + src.limit(); |
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char[] da = dst.array(); |
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int dp = dst.arrayOffset() + dst.position(); |
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int dl = dst.arrayOffset() + dst.limit(); |
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try { |
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while (sp < sl && dp < dl) { |
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// inline the decodeSingle/Double() for better performance |
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int inSize = 1; |
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int b1 = sa[sp] & 0xff; |
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char c = b2cSB[b1]; |
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if (c == UNMAPPABLE_DECODING) { |
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if (sl - sp < 2) |
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return crMalformedOrUnderFlow(b1); |
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int b2 = sa[sp + 1] & 0xff; |
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if (b2 < b2Min || b2 > b2Max || |
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(c = b2c[b1][b2 - b2Min]) == UNMAPPABLE_DECODING) { |
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return crMalformedOrUnmappable(b1, b2); |
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} |
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inSize++; |
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} |
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da[dp++] = c; |
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sp += inSize; |
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} |
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return (sp >= sl) ? CoderResult.UNDERFLOW |
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: CoderResult.OVERFLOW; |
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} finally { |
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src.position(sp - src.arrayOffset()); |
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dst.position(dp - dst.arrayOffset()); |
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} |
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} |
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protected CoderResult decodeBufferLoop(ByteBuffer src, CharBuffer dst) { |
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int mark = src.position(); |
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try { |
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while (src.hasRemaining() && dst.hasRemaining()) { |
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int b1 = src.get() & 0xff; |
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char c = b2cSB[b1]; |
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int inSize = 1; |
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if (c == UNMAPPABLE_DECODING) { |
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if (src.remaining() < 1) |
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return crMalformedOrUnderFlow(b1); |
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int b2 = src.get() & 0xff; |
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if (b2 < b2Min || b2 > b2Max || |
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(c = b2c[b1][b2 - b2Min]) == UNMAPPABLE_DECODING) |
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return crMalformedOrUnmappable(b1, b2); |
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inSize++; |
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} |
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dst.put(c); |
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mark += inSize; |
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} |
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return src.hasRemaining()? CoderResult.OVERFLOW |
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: CoderResult.UNDERFLOW; |
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} finally { |
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src.position(mark); |
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} |
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} |
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// Make some protected methods public for use by JISAutoDetect |
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public CoderResult decodeLoop(ByteBuffer src, CharBuffer dst) { |
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if (src.hasArray() && dst.hasArray()) |
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return decodeArrayLoop(src, dst); |
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else |
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return decodeBufferLoop(src, dst); |
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} |
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public int decode(byte[] src, int sp, int len, char[] dst) { |
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int dp = 0; |
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int sl = sp + len; |
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char repl = replacement().charAt(0); |
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while (sp < sl) { |
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int b1 = src[sp++] & 0xff; |
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char c = b2cSB[b1]; |
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if (c == UNMAPPABLE_DECODING) { |
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if (sp < sl) { |
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int b2 = src[sp++] & 0xff; |
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if (b2 < b2Min || b2 > b2Max || |
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(c = b2c[b1][b2 - b2Min]) == UNMAPPABLE_DECODING) { |
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if (b2c[b1] == B2C_UNMAPPABLE || // isNotLeadingByte |
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b2c[b2] != B2C_UNMAPPABLE || // isLeadingByte |
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decodeSingle(b2) != UNMAPPABLE_DECODING) { |
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sp--; |
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} |
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} |
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} |
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if (c == UNMAPPABLE_DECODING) { |
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c = repl; |
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} |
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} |
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dst[dp++] = c; |
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} |
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return dp; |
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} |
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public void implReset() { |
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super.implReset(); |
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} |
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public CoderResult implFlush(CharBuffer out) { |
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return super.implFlush(out); |
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} |
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// decode loops are not using decodeSingle/Double() for performance |
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// reason. |
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public char decodeSingle(int b) { |
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return b2cSB[b]; |
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} |
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public char decodeDouble(int b1, int b2) { |
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if (b1 < 0 || b1 > b2c.length || |
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b2 < b2Min || b2 > b2Max) |
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return UNMAPPABLE_DECODING; |
264 |
return b2c[b1][b2 - b2Min]; |
|
265 |
} |
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} |
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// IBM_EBCDIC_DBCS |
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269 |
public static class Decoder_EBCDIC extends Decoder { |
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270 |
private static final int SBCS = 0; |
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271 |
private static final int DBCS = 1; |
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private static final int SO = 0x0e; |
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private static final int SI = 0x0f; |
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private int currentState; |
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275 |
||
276 |
Decoder_EBCDIC(Charset cs, |
|
277 |
char[][] b2c, char[] b2cSB, int b2Min, int b2Max) { |
|
278 |
super(cs, b2c, b2cSB, b2Min, b2Max); |
|
279 |
} |
|
280 |
||
3052
5c9886498f31
6299219: euro sign failed to be printed in Console on Localized Windows platform with GBK encoding
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diff
changeset
|
281 |
public void implReset() { |
2921 | 282 |
currentState = SBCS; |
283 |
} |
|
284 |
||
285 |
// Check validity of dbcs ebcdic byte pair values |
|
286 |
// |
|
287 |
// First byte : 0x41 -- 0xFE |
|
288 |
// Second byte: 0x41 -- 0xFE |
|
289 |
// Doublebyte blank: 0x4040 |
|
290 |
// |
|
291 |
// The validation implementation in "old" DBCS_IBM_EBCDIC and sun.io |
|
292 |
// as |
|
293 |
// if ((b1 != 0x40 || b2 != 0x40) && |
|
294 |
// (b2 < 0x41 || b2 > 0xfe)) {...} |
|
295 |
// is not correct/complete (range check for b1) |
|
296 |
// |
|
297 |
private static boolean isDoubleByte(int b1, int b2) { |
|
298 |
return (0x41 <= b1 && b1 <= 0xfe && 0x41 <= b2 && b2 <= 0xfe) |
|
299 |
|| (b1 == 0x40 && b2 == 0x40); // DBCS-HOST SPACE |
|
300 |
} |
|
301 |
||
302 |
protected CoderResult decodeArrayLoop(ByteBuffer src, CharBuffer dst) { |
|
303 |
byte[] sa = src.array(); |
|
304 |
int sp = src.arrayOffset() + src.position(); |
|
305 |
int sl = src.arrayOffset() + src.limit(); |
|
306 |
char[] da = dst.array(); |
|
307 |
int dp = dst.arrayOffset() + dst.position(); |
|
308 |
int dl = dst.arrayOffset() + dst.limit(); |
|
309 |
||
310 |
try { |
|
311 |
// don't check dp/dl together here, it's possible to |
|
312 |
// decdoe a SO/SI without space in output buffer. |
|
313 |
while (sp < sl) { |
|
314 |
int b1 = sa[sp] & 0xff; |
|
315 |
int inSize = 1; |
|
316 |
if (b1 == SO) { // Shift out |
|
317 |
if (currentState != SBCS) |
|
318 |
return CoderResult.malformedForLength(1); |
|
319 |
else |
|
320 |
currentState = DBCS; |
|
321 |
} else if (b1 == SI) { |
|
322 |
if (currentState != DBCS) |
|
323 |
return CoderResult.malformedForLength(1); |
|
324 |
else |
|
325 |
currentState = SBCS; |
|
326 |
} else { |
|
327 |
char c = UNMAPPABLE_DECODING; |
|
328 |
if (currentState == SBCS) { |
|
329 |
c = b2cSB[b1]; |
|
330 |
if (c == UNMAPPABLE_DECODING) |
|
331 |
return CoderResult.unmappableForLength(1); |
|
332 |
} else { |
|
333 |
if (sl - sp < 2) |
|
334 |
return CoderResult.UNDERFLOW; |
|
335 |
int b2 = sa[sp + 1] & 0xff; |
|
336 |
if (b2 < b2Min || b2 > b2Max || |
|
337 |
(c = b2c[b1][b2 - b2Min]) == UNMAPPABLE_DECODING) { |
|
338 |
if (!isDoubleByte(b1, b2)) |
|
339 |
return CoderResult.malformedForLength(2); |
|
340 |
return CoderResult.unmappableForLength(2); |
|
341 |
} |
|
342 |
inSize++; |
|
343 |
} |
|
344 |
if (dl - dp < 1) |
|
345 |
return CoderResult.OVERFLOW; |
|
346 |
||
347 |
da[dp++] = c; |
|
348 |
} |
|
349 |
sp += inSize; |
|
350 |
} |
|
351 |
return CoderResult.UNDERFLOW; |
|
352 |
} finally { |
|
353 |
src.position(sp - src.arrayOffset()); |
|
354 |
dst.position(dp - dst.arrayOffset()); |
|
355 |
} |
|
356 |
} |
|
357 |
||
358 |
protected CoderResult decodeBufferLoop(ByteBuffer src, CharBuffer dst) { |
|
359 |
int mark = src.position(); |
|
360 |
try { |
|
361 |
while (src.hasRemaining()) { |
|
362 |
int b1 = src.get() & 0xff; |
|
363 |
int inSize = 1; |
|
364 |
if (b1 == SO) { // Shift out |
|
365 |
if (currentState != SBCS) |
|
366 |
return CoderResult.malformedForLength(1); |
|
367 |
else |
|
368 |
currentState = DBCS; |
|
369 |
} else if (b1 == SI) { |
|
370 |
if (currentState != DBCS) |
|
371 |
return CoderResult.malformedForLength(1); |
|
372 |
else |
|
373 |
currentState = SBCS; |
|
374 |
} else { |
|
375 |
char c = UNMAPPABLE_DECODING; |
|
376 |
if (currentState == SBCS) { |
|
377 |
c = b2cSB[b1]; |
|
378 |
if (c == UNMAPPABLE_DECODING) |
|
379 |
return CoderResult.unmappableForLength(1); |
|
380 |
} else { |
|
381 |
if (src.remaining() < 1) |
|
382 |
return CoderResult.UNDERFLOW; |
|
383 |
int b2 = src.get()&0xff; |
|
384 |
if (b2 < b2Min || b2 > b2Max || |
|
385 |
(c = b2c[b1][b2 - b2Min]) == UNMAPPABLE_DECODING) { |
|
386 |
if (!isDoubleByte(b1, b2)) |
|
387 |
return CoderResult.malformedForLength(2); |
|
388 |
return CoderResult.unmappableForLength(2); |
|
389 |
} |
|
390 |
inSize++; |
|
391 |
} |
|
392 |
||
393 |
if (dst.remaining() < 1) |
|
394 |
return CoderResult.OVERFLOW; |
|
395 |
||
396 |
dst.put(c); |
|
397 |
} |
|
398 |
mark += inSize; |
|
399 |
} |
|
400 |
return CoderResult.UNDERFLOW; |
|
401 |
} finally { |
|
402 |
src.position(mark); |
|
403 |
} |
|
404 |
} |
|
13257
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
405 |
|
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
406 |
public int decode(byte[] src, int sp, int len, char[] dst) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
407 |
int dp = 0; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
408 |
int sl = sp + len; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
409 |
currentState = SBCS; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
410 |
char repl = replacement().charAt(0); |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
411 |
while (sp < sl) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
412 |
int b1 = src[sp++] & 0xff; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
413 |
if (b1 == SO) { // Shift out |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
414 |
if (currentState != SBCS) |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
415 |
dst[dp++] = repl; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
416 |
else |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
417 |
currentState = DBCS; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
418 |
} else if (b1 == SI) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
419 |
if (currentState != DBCS) |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
420 |
dst[dp++] = repl; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
421 |
else |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
422 |
currentState = SBCS; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
423 |
} else { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
424 |
char c = UNMAPPABLE_DECODING; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
425 |
if (currentState == SBCS) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
426 |
c = b2cSB[b1]; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
427 |
if (c == UNMAPPABLE_DECODING) |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
428 |
c = repl; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
429 |
} else { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
430 |
if (sl == sp) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
431 |
c = repl; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
432 |
} else { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
433 |
int b2 = src[sp++] & 0xff; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
434 |
if (b2 < b2Min || b2 > b2Max || |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
435 |
(c = b2c[b1][b2 - b2Min]) == UNMAPPABLE_DECODING) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
436 |
c = repl; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
437 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
438 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
439 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
440 |
dst[dp++] = c; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
441 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
442 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
443 |
return dp; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
444 |
} |
2921 | 445 |
} |
446 |
||
13366
2f5fdf6d8c22
6653797: Reimplement JDK charset repository charsets.jar
sherman
parents:
13257
diff
changeset
|
447 |
// DBCS_ONLY |
2f5fdf6d8c22
6653797: Reimplement JDK charset repository charsets.jar
sherman
parents:
13257
diff
changeset
|
448 |
public static class Decoder_DBCSONLY extends Decoder { |
2f5fdf6d8c22
6653797: Reimplement JDK charset repository charsets.jar
sherman
parents:
13257
diff
changeset
|
449 |
static final char[] b2cSB_UNMAPPABLE; |
2921 | 450 |
static { |
13366
2f5fdf6d8c22
6653797: Reimplement JDK charset repository charsets.jar
sherman
parents:
13257
diff
changeset
|
451 |
b2cSB_UNMAPPABLE = new char[0x100]; |
2f5fdf6d8c22
6653797: Reimplement JDK charset repository charsets.jar
sherman
parents:
13257
diff
changeset
|
452 |
Arrays.fill(b2cSB_UNMAPPABLE, UNMAPPABLE_DECODING); |
2921 | 453 |
} |
13366
2f5fdf6d8c22
6653797: Reimplement JDK charset repository charsets.jar
sherman
parents:
13257
diff
changeset
|
454 |
Decoder_DBCSONLY(Charset cs, char[][] b2c, char[] b2cSB, int b2Min, int b2Max) { |
2f5fdf6d8c22
6653797: Reimplement JDK charset repository charsets.jar
sherman
parents:
13257
diff
changeset
|
455 |
super(cs, 0.5f, 1.0f, b2c, b2cSB_UNMAPPABLE, b2Min, b2Max); |
2921 | 456 |
} |
457 |
} |
|
458 |
||
459 |
// EUC_SIMPLE |
|
460 |
// The only thing we need to "override" is to check SS2/SS3 and |
|
461 |
// return "malformed" if found |
|
462 |
public static class Decoder_EUC_SIM extends Decoder { |
|
463 |
private final int SS2 = 0x8E; |
|
464 |
private final int SS3 = 0x8F; |
|
465 |
||
466 |
Decoder_EUC_SIM(Charset cs, |
|
467 |
char[][] b2c, char[] b2cSB, int b2Min, int b2Max) { |
|
468 |
super(cs, b2c, b2cSB, b2Min, b2Max); |
|
469 |
} |
|
470 |
||
471 |
// No support provided for G2/G3 for SimpleEUC |
|
472 |
protected CoderResult crMalformedOrUnderFlow(int b) { |
|
473 |
if (b == SS2 || b == SS3 ) |
|
474 |
return CoderResult.malformedForLength(1); |
|
475 |
return CoderResult.UNDERFLOW; |
|
476 |
} |
|
477 |
||
21309
5adf83468a1d
8008386: (cs) Unmappable leading should be decoded to replacement.
sherman
parents:
17723
diff
changeset
|
478 |
protected CoderResult crMalformedOrUnmappable(int b1, int b2) { |
5adf83468a1d
8008386: (cs) Unmappable leading should be decoded to replacement.
sherman
parents:
17723
diff
changeset
|
479 |
if (b1 == SS2 || b1 == SS3 ) |
2921 | 480 |
return CoderResult.malformedForLength(1); |
481 |
return CoderResult.unmappableForLength(2); |
|
482 |
} |
|
13257
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
483 |
|
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
484 |
public int decode(byte[] src, int sp, int len, char[] dst) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
485 |
int dp = 0; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
486 |
int sl = sp + len; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
487 |
char repl = replacement().charAt(0); |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
488 |
while (sp < sl) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
489 |
int b1 = src[sp++] & 0xff; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
490 |
char c = b2cSB[b1]; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
491 |
if (c == UNMAPPABLE_DECODING) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
492 |
if (sp < sl) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
493 |
int b2 = src[sp++] & 0xff; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
494 |
if (b2 < b2Min || b2 > b2Max || |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
495 |
(c = b2c[b1][b2 - b2Min]) == UNMAPPABLE_DECODING) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
496 |
if (b1 == SS2 || b1 == SS3) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
497 |
sp--; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
498 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
499 |
c = repl; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
500 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
501 |
} else { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
502 |
c = repl; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
503 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
504 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
505 |
dst[dp++] = c; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
506 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
507 |
return dp; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
508 |
} |
2921 | 509 |
} |
510 |
||
13257
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
511 |
public static class Encoder extends CharsetEncoder |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
512 |
implements ArrayEncoder |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
513 |
{ |
2921 | 514 |
final int MAX_SINGLEBYTE = 0xff; |
515 |
private final char[] c2b; |
|
516 |
private final char[] c2bIndex; |
|
517 |
Surrogate.Parser sgp; |
|
518 |
||
3052
5c9886498f31
6299219: euro sign failed to be printed in Console on Localized Windows platform with GBK encoding
sherman
parents:
2921
diff
changeset
|
519 |
protected Encoder(Charset cs, char[] c2b, char[] c2bIndex) { |
2921 | 520 |
super(cs, 2.0f, 2.0f); |
521 |
this.c2b = c2b; |
|
522 |
this.c2bIndex = c2bIndex; |
|
523 |
} |
|
524 |
||
525 |
Encoder(Charset cs, float avg, float max, byte[] repl, char[] c2b, char[] c2bIndex) { |
|
526 |
super(cs, avg, max, repl); |
|
527 |
this.c2b = c2b; |
|
528 |
this.c2bIndex = c2bIndex; |
|
529 |
} |
|
530 |
||
531 |
public boolean canEncode(char c) { |
|
532 |
return encodeChar(c) != UNMAPPABLE_ENCODING; |
|
533 |
} |
|
534 |
||
535 |
Surrogate.Parser sgp() { |
|
536 |
if (sgp == null) |
|
537 |
sgp = new Surrogate.Parser(); |
|
538 |
return sgp; |
|
539 |
} |
|
540 |
||
541 |
protected CoderResult encodeArrayLoop(CharBuffer src, ByteBuffer dst) { |
|
542 |
char[] sa = src.array(); |
|
543 |
int sp = src.arrayOffset() + src.position(); |
|
544 |
int sl = src.arrayOffset() + src.limit(); |
|
545 |
||
546 |
byte[] da = dst.array(); |
|
547 |
int dp = dst.arrayOffset() + dst.position(); |
|
548 |
int dl = dst.arrayOffset() + dst.limit(); |
|
549 |
||
550 |
try { |
|
551 |
while (sp < sl) { |
|
552 |
char c = sa[sp]; |
|
553 |
int bb = encodeChar(c); |
|
554 |
if (bb == UNMAPPABLE_ENCODING) { |
|
3714 | 555 |
if (Character.isSurrogate(c)) { |
2921 | 556 |
if (sgp().parse(c, sa, sp, sl) < 0) |
557 |
return sgp.error(); |
|
558 |
return sgp.unmappableResult(); |
|
559 |
} |
|
560 |
return CoderResult.unmappableForLength(1); |
|
561 |
} |
|
562 |
||
563 |
if (bb > MAX_SINGLEBYTE) { // DoubleByte |
|
564 |
if (dl - dp < 2) |
|
565 |
return CoderResult.OVERFLOW; |
|
566 |
da[dp++] = (byte)(bb >> 8); |
|
567 |
da[dp++] = (byte)bb; |
|
568 |
} else { // SingleByte |
|
569 |
if (dl - dp < 1) |
|
570 |
return CoderResult.OVERFLOW; |
|
571 |
da[dp++] = (byte)bb; |
|
572 |
} |
|
573 |
||
574 |
sp++; |
|
575 |
} |
|
576 |
return CoderResult.UNDERFLOW; |
|
577 |
} finally { |
|
578 |
src.position(sp - src.arrayOffset()); |
|
579 |
dst.position(dp - dst.arrayOffset()); |
|
580 |
} |
|
581 |
} |
|
582 |
||
583 |
protected CoderResult encodeBufferLoop(CharBuffer src, ByteBuffer dst) { |
|
584 |
int mark = src.position(); |
|
585 |
try { |
|
586 |
while (src.hasRemaining()) { |
|
587 |
char c = src.get(); |
|
588 |
int bb = encodeChar(c); |
|
589 |
if (bb == UNMAPPABLE_ENCODING) { |
|
3714 | 590 |
if (Character.isSurrogate(c)) { |
2921 | 591 |
if (sgp().parse(c, src) < 0) |
592 |
return sgp.error(); |
|
593 |
return sgp.unmappableResult(); |
|
594 |
} |
|
595 |
return CoderResult.unmappableForLength(1); |
|
596 |
} |
|
597 |
if (bb > MAX_SINGLEBYTE) { // DoubleByte |
|
598 |
if (dst.remaining() < 2) |
|
599 |
return CoderResult.OVERFLOW; |
|
600 |
dst.put((byte)(bb >> 8)); |
|
601 |
dst.put((byte)(bb)); |
|
602 |
} else { |
|
603 |
if (dst.remaining() < 1) |
|
604 |
return CoderResult.OVERFLOW; |
|
605 |
dst.put((byte)bb); |
|
606 |
} |
|
607 |
mark++; |
|
608 |
} |
|
609 |
return CoderResult.UNDERFLOW; |
|
610 |
} finally { |
|
611 |
src.position(mark); |
|
612 |
} |
|
613 |
} |
|
614 |
||
615 |
protected CoderResult encodeLoop(CharBuffer src, ByteBuffer dst) { |
|
616 |
if (src.hasArray() && dst.hasArray()) |
|
617 |
return encodeArrayLoop(src, dst); |
|
618 |
else |
|
619 |
return encodeBufferLoop(src, dst); |
|
620 |
} |
|
621 |
||
17723
ae7be7852a99
8001750: CharsetDecoder.replacement should not be changeable except via replaceWith method
sherman
parents:
14342
diff
changeset
|
622 |
protected byte[] repl = replacement(); |
ae7be7852a99
8001750: CharsetDecoder.replacement should not be changeable except via replaceWith method
sherman
parents:
14342
diff
changeset
|
623 |
protected void implReplaceWith(byte[] newReplacement) { |
ae7be7852a99
8001750: CharsetDecoder.replacement should not be changeable except via replaceWith method
sherman
parents:
14342
diff
changeset
|
624 |
repl = newReplacement; |
ae7be7852a99
8001750: CharsetDecoder.replacement should not be changeable except via replaceWith method
sherman
parents:
14342
diff
changeset
|
625 |
} |
ae7be7852a99
8001750: CharsetDecoder.replacement should not be changeable except via replaceWith method
sherman
parents:
14342
diff
changeset
|
626 |
|
13257
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
627 |
public int encode(char[] src, int sp, int len, byte[] dst) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
628 |
int dp = 0; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
629 |
int sl = sp + len; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
630 |
int dl = dst.length; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
631 |
while (sp < sl) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
632 |
char c = src[sp++]; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
633 |
int bb = encodeChar(c); |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
634 |
if (bb == UNMAPPABLE_ENCODING) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
635 |
if (Character.isHighSurrogate(c) && sp < sl && |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
636 |
Character.isLowSurrogate(src[sp])) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
637 |
sp++; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
638 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
639 |
dst[dp++] = repl[0]; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
640 |
if (repl.length > 1) |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
641 |
dst[dp++] = repl[1]; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
642 |
continue; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
643 |
} //else |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
644 |
if (bb > MAX_SINGLEBYTE) { // DoubleByte |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
645 |
dst[dp++] = (byte)(bb >> 8); |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
646 |
dst[dp++] = (byte)bb; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
647 |
} else { // SingleByte |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
648 |
dst[dp++] = (byte)bb; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
649 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
650 |
|
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
651 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
652 |
return dp; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
653 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
654 |
|
2921 | 655 |
public int encodeChar(char ch) { |
656 |
return c2b[c2bIndex[ch >> 8] + (ch & 0xff)]; |
|
657 |
} |
|
658 |
||
659 |
// init the c2b and c2bIndex tables from b2c. |
|
660 |
static void initC2B(String[] b2c, String b2cSB, String b2cNR, String c2bNR, |
|
661 |
int b2Min, int b2Max, |
|
662 |
char[] c2b, char[] c2bIndex) |
|
663 |
{ |
|
664 |
Arrays.fill(c2b, (char)UNMAPPABLE_ENCODING); |
|
665 |
int off = 0x100; |
|
666 |
||
667 |
char[][] b2c_ca = new char[b2c.length][]; |
|
668 |
char[] b2cSB_ca = null; |
|
669 |
if (b2cSB != null) |
|
670 |
b2cSB_ca = b2cSB.toCharArray(); |
|
671 |
||
672 |
for (int i = 0; i < b2c.length; i++) { |
|
673 |
if (b2c[i] == null) |
|
674 |
continue; |
|
675 |
b2c_ca[i] = b2c[i].toCharArray(); |
|
676 |
} |
|
677 |
||
678 |
if (b2cNR != null) { |
|
679 |
int j = 0; |
|
680 |
while (j < b2cNR.length()) { |
|
681 |
char b = b2cNR.charAt(j++); |
|
682 |
char c = b2cNR.charAt(j++); |
|
683 |
if (b < 0x100 && b2cSB_ca != null) { |
|
684 |
if (b2cSB_ca[b] == c) |
|
685 |
b2cSB_ca[b] = UNMAPPABLE_DECODING; |
|
686 |
} else { |
|
687 |
if (b2c_ca[b >> 8][(b & 0xff) - b2Min] == c) |
|
688 |
b2c_ca[b >> 8][(b & 0xff) - b2Min] = UNMAPPABLE_DECODING; |
|
689 |
} |
|
690 |
} |
|
691 |
} |
|
692 |
||
693 |
if (b2cSB_ca != null) { // SingleByte |
|
694 |
for (int b = 0; b < b2cSB_ca.length; b++) { |
|
695 |
char c = b2cSB_ca[b]; |
|
696 |
if (c == UNMAPPABLE_DECODING) |
|
697 |
continue; |
|
698 |
int index = c2bIndex[c >> 8]; |
|
699 |
if (index == 0) { |
|
700 |
index = off; |
|
701 |
off += 0x100; |
|
702 |
c2bIndex[c >> 8] = (char)index; |
|
703 |
} |
|
704 |
c2b[index + (c & 0xff)] = (char)b; |
|
705 |
} |
|
706 |
} |
|
707 |
||
708 |
for (int b1 = 0; b1 < b2c.length; b1++) { // DoubleByte |
|
709 |
char[] db = b2c_ca[b1]; |
|
710 |
if (db == null) |
|
711 |
continue; |
|
712 |
for (int b2 = b2Min; b2 <= b2Max; b2++) { |
|
713 |
char c = db[b2 - b2Min]; |
|
714 |
if (c == UNMAPPABLE_DECODING) |
|
715 |
continue; |
|
716 |
int index = c2bIndex[c >> 8]; |
|
717 |
if (index == 0) { |
|
718 |
index = off; |
|
719 |
off += 0x100; |
|
720 |
c2bIndex[c >> 8] = (char)index; |
|
721 |
} |
|
722 |
c2b[index + (c & 0xff)] = (char)((b1 << 8) | b2); |
|
723 |
} |
|
724 |
} |
|
725 |
||
726 |
if (c2bNR != null) { |
|
727 |
// add c->b only nr entries |
|
728 |
for (int i = 0; i < c2bNR.length(); i += 2) { |
|
729 |
char b = c2bNR.charAt(i); |
|
730 |
char c = c2bNR.charAt(i + 1); |
|
731 |
int index = (c >> 8); |
|
732 |
if (c2bIndex[index] == 0) { |
|
733 |
c2bIndex[index] = (char)off; |
|
734 |
off += 0x100; |
|
735 |
} |
|
736 |
index = c2bIndex[index] + (c & 0xff); |
|
737 |
c2b[index] = b; |
|
738 |
} |
|
739 |
} |
|
740 |
} |
|
741 |
} |
|
742 |
||
13366
2f5fdf6d8c22
6653797: Reimplement JDK charset repository charsets.jar
sherman
parents:
13257
diff
changeset
|
743 |
public static class Encoder_DBCSONLY extends Encoder { |
2f5fdf6d8c22
6653797: Reimplement JDK charset repository charsets.jar
sherman
parents:
13257
diff
changeset
|
744 |
Encoder_DBCSONLY(Charset cs, byte[] repl, |
2f5fdf6d8c22
6653797: Reimplement JDK charset repository charsets.jar
sherman
parents:
13257
diff
changeset
|
745 |
char[] c2b, char[] c2bIndex) { |
2921 | 746 |
super(cs, 2.0f, 2.0f, repl, c2b, c2bIndex); |
747 |
} |
|
748 |
||
749 |
public int encodeChar(char ch) { |
|
750 |
int bb = super.encodeChar(ch); |
|
751 |
if (bb <= MAX_SINGLEBYTE) |
|
752 |
return UNMAPPABLE_ENCODING; |
|
753 |
return bb; |
|
754 |
} |
|
755 |
} |
|
756 |
||
13366
2f5fdf6d8c22
6653797: Reimplement JDK charset repository charsets.jar
sherman
parents:
13257
diff
changeset
|
757 |
|
2f5fdf6d8c22
6653797: Reimplement JDK charset repository charsets.jar
sherman
parents:
13257
diff
changeset
|
758 |
|
2921 | 759 |
public static class Encoder_EBCDIC extends Encoder { |
760 |
static final int SBCS = 0; |
|
761 |
static final int DBCS = 1; |
|
762 |
static final byte SO = 0x0e; |
|
763 |
static final byte SI = 0x0f; |
|
764 |
||
765 |
protected int currentState = SBCS; |
|
766 |
||
767 |
Encoder_EBCDIC(Charset cs, char[] c2b, char[] c2bIndex) { |
|
768 |
super(cs, 4.0f, 5.0f, new byte[] {(byte)0x6f}, c2b, c2bIndex); |
|
769 |
} |
|
770 |
||
771 |
protected void implReset() { |
|
772 |
currentState = SBCS; |
|
773 |
} |
|
774 |
||
775 |
protected CoderResult implFlush(ByteBuffer out) { |
|
776 |
if (currentState == DBCS) { |
|
777 |
if (out.remaining() < 1) |
|
778 |
return CoderResult.OVERFLOW; |
|
779 |
out.put(SI); |
|
780 |
} |
|
781 |
implReset(); |
|
782 |
return CoderResult.UNDERFLOW; |
|
783 |
} |
|
784 |
||
785 |
protected CoderResult encodeArrayLoop(CharBuffer src, ByteBuffer dst) { |
|
786 |
char[] sa = src.array(); |
|
787 |
int sp = src.arrayOffset() + src.position(); |
|
788 |
int sl = src.arrayOffset() + src.limit(); |
|
789 |
byte[] da = dst.array(); |
|
790 |
int dp = dst.arrayOffset() + dst.position(); |
|
791 |
int dl = dst.arrayOffset() + dst.limit(); |
|
792 |
||
793 |
try { |
|
794 |
while (sp < sl) { |
|
795 |
char c = sa[sp]; |
|
796 |
int bb = encodeChar(c); |
|
797 |
if (bb == UNMAPPABLE_ENCODING) { |
|
3714 | 798 |
if (Character.isSurrogate(c)) { |
2921 | 799 |
if (sgp().parse(c, sa, sp, sl) < 0) |
800 |
return sgp.error(); |
|
801 |
return sgp.unmappableResult(); |
|
802 |
} |
|
803 |
return CoderResult.unmappableForLength(1); |
|
804 |
} |
|
805 |
if (bb > MAX_SINGLEBYTE) { // DoubleByte |
|
806 |
if (currentState == SBCS) { |
|
807 |
if (dl - dp < 1) |
|
808 |
return CoderResult.OVERFLOW; |
|
809 |
currentState = DBCS; |
|
810 |
da[dp++] = SO; |
|
811 |
} |
|
812 |
if (dl - dp < 2) |
|
813 |
return CoderResult.OVERFLOW; |
|
814 |
da[dp++] = (byte)(bb >> 8); |
|
815 |
da[dp++] = (byte)bb; |
|
816 |
} else { // SingleByte |
|
817 |
if (currentState == DBCS) { |
|
818 |
if (dl - dp < 1) |
|
819 |
return CoderResult.OVERFLOW; |
|
820 |
currentState = SBCS; |
|
821 |
da[dp++] = SI; |
|
822 |
} |
|
823 |
if (dl - dp < 1) |
|
824 |
return CoderResult.OVERFLOW; |
|
825 |
da[dp++] = (byte)bb; |
|
826 |
||
827 |
} |
|
828 |
sp++; |
|
829 |
} |
|
830 |
return CoderResult.UNDERFLOW; |
|
831 |
} finally { |
|
832 |
src.position(sp - src.arrayOffset()); |
|
833 |
dst.position(dp - dst.arrayOffset()); |
|
834 |
} |
|
835 |
} |
|
836 |
||
837 |
protected CoderResult encodeBufferLoop(CharBuffer src, ByteBuffer dst) { |
|
838 |
int mark = src.position(); |
|
839 |
try { |
|
840 |
while (src.hasRemaining()) { |
|
841 |
char c = src.get(); |
|
842 |
int bb = encodeChar(c); |
|
843 |
if (bb == UNMAPPABLE_ENCODING) { |
|
3714 | 844 |
if (Character.isSurrogate(c)) { |
2921 | 845 |
if (sgp().parse(c, src) < 0) |
846 |
return sgp.error(); |
|
847 |
return sgp.unmappableResult(); |
|
848 |
} |
|
849 |
return CoderResult.unmappableForLength(1); |
|
850 |
} |
|
851 |
if (bb > MAX_SINGLEBYTE) { // DoubleByte |
|
852 |
if (currentState == SBCS) { |
|
853 |
if (dst.remaining() < 1) |
|
854 |
return CoderResult.OVERFLOW; |
|
855 |
currentState = DBCS; |
|
856 |
dst.put(SO); |
|
857 |
} |
|
858 |
if (dst.remaining() < 2) |
|
859 |
return CoderResult.OVERFLOW; |
|
860 |
dst.put((byte)(bb >> 8)); |
|
861 |
dst.put((byte)(bb)); |
|
862 |
} else { // Single-byte |
|
863 |
if (currentState == DBCS) { |
|
864 |
if (dst.remaining() < 1) |
|
865 |
return CoderResult.OVERFLOW; |
|
866 |
currentState = SBCS; |
|
867 |
dst.put(SI); |
|
868 |
} |
|
869 |
if (dst.remaining() < 1) |
|
870 |
return CoderResult.OVERFLOW; |
|
871 |
dst.put((byte)bb); |
|
872 |
} |
|
873 |
mark++; |
|
874 |
} |
|
875 |
return CoderResult.UNDERFLOW; |
|
876 |
} finally { |
|
877 |
src.position(mark); |
|
878 |
} |
|
879 |
} |
|
13257
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
880 |
|
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
881 |
public int encode(char[] src, int sp, int len, byte[] dst) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
882 |
int dp = 0; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
883 |
int sl = sp + len; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
884 |
while (sp < sl) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
885 |
char c = src[sp++]; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
886 |
int bb = encodeChar(c); |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
887 |
|
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
888 |
if (bb == UNMAPPABLE_ENCODING) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
889 |
if (Character.isHighSurrogate(c) && sp < sl && |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
890 |
Character.isLowSurrogate(src[sp])) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
891 |
sp++; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
892 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
893 |
dst[dp++] = repl[0]; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
894 |
if (repl.length > 1) |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
895 |
dst[dp++] = repl[1]; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
896 |
continue; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
897 |
} //else |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
898 |
if (bb > MAX_SINGLEBYTE) { // DoubleByte |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
899 |
if (currentState == SBCS) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
900 |
currentState = DBCS; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
901 |
dst[dp++] = SO; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
902 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
903 |
dst[dp++] = (byte)(bb >> 8); |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
904 |
dst[dp++] = (byte)bb; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
905 |
} else { // SingleByte |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
906 |
if (currentState == DBCS) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
907 |
currentState = SBCS; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
908 |
dst[dp++] = SI; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
909 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
910 |
dst[dp++] = (byte)bb; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
911 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
912 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
913 |
|
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
914 |
if (currentState == DBCS) { |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
915 |
currentState = SBCS; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
916 |
dst[dp++] = SI; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
917 |
} |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
918 |
return dp; |
5cf4ff2cbb37
7183053: Optimize DoubleByte charset for String.getBytes()/new String(byte[])
sherman
parents:
7668
diff
changeset
|
919 |
} |
2921 | 920 |
} |
921 |
||
922 |
// EUC_SIMPLE |
|
923 |
public static class Encoder_EUC_SIM extends Encoder { |
|
924 |
Encoder_EUC_SIM(Charset cs, char[] c2b, char[] c2bIndex) { |
|
925 |
super(cs, c2b, c2bIndex); |
|
926 |
} |
|
927 |
} |
|
13366
2f5fdf6d8c22
6653797: Reimplement JDK charset repository charsets.jar
sherman
parents:
13257
diff
changeset
|
928 |
|
2921 | 929 |
} |