--- a/jdk/src/share/classes/sun/io/ByteToCharGB18030.java Mon Aug 29 14:27:21 2011 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,300 +0,0 @@
-/*
- * Copyright (c) 2001, 2003, 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.io;
-
-import sun.nio.cs.ext.GB18030;
-
-public class ByteToCharGB18030 extends ByteToCharGB18030DB {
-
- private static final int GB18030_SINGLE_BYTE = 1;
- private static final int GB18030_DOUBLE_BYTE = 2;
- private static final int GB18030_FOUR_BYTE = 3;
- private static short[] decoderIndex1;
- private static String[] decoderIndex2;
-
- private int currentState;
- private int savedSize;
- private byte[] savedBytes;
-
- public ByteToCharGB18030() {
- super();
- GB18030 nioCoder = new GB18030();
- savedBytes = new byte[3];
- currentState = GB18030_DOUBLE_BYTE;
- decoderIndex1 = nioCoder.getDecoderIndex1();
- decoderIndex2 = nioCoder.getDecoderIndex2();
- savedSize = 0;
- }
-
- public short[] getOuter() {
- return(index1);
- }
-
- public String[] getInner() {
- return(index2);
- }
-
- public short[] getDBIndex1() {
- return(super.index1);
- }
-
- public String[] getDBIndex2() {
- return(super.index2);
- }
-
- public int flush(char [] output, int outStart, int outEnd)
- throws MalformedInputException
- {
- if (savedSize != 0) {
- savedSize = 0;
- currentState = GB18030_DOUBLE_BYTE;
- badInputLength = 0;
- throw new MalformedInputException();
- }
- byteOff = charOff = 0;
- return 0;
- }
-
-
- /**
- * Character conversion
- */
- public int convert(byte[] input, int inOff, int inEnd,
- char[] output, int outOff, int outEnd)
- throws UnknownCharacterException, MalformedInputException,
- ConversionBufferFullException
- {
- int inputSize = 0;
- char outputChar = '\uFFFD';
- // readOff keeps the actual buffer's pointer.
- // byteOff keeps original buffer's pointer.
- int readOff = byteOff = inOff;
-
- if (savedSize != 0) {
- // Filter illegal bytes when they are detected in saved
- // partial input from a previous conversion attempt.
- if (((savedBytes[0] & 0xFF) < 0x81 || savedBytes[0] > 0xFE) ||
- (savedSize > 1 &&
- (savedBytes[1] & 0xFF) < 0x30 ) ||
- (savedSize > 2 &&
- ((savedBytes[2] & 0xFF) < 0x81 ||
- (savedBytes[2] & 0xFF) > 0xFE ))) {
- badInputLength = 0;
- throw new MalformedInputException();
- }
-
- byte[] newBuf = new byte[inEnd - inOff + savedSize];
- for (int i = 0; i < savedSize; i++) {
- newBuf[i] = savedBytes[i];
- }
- System.arraycopy(input, inOff, newBuf, savedSize, inEnd - inOff);
- byteOff -= savedSize;
- input = newBuf;
- inOff = 0;
- inEnd = newBuf.length;
- savedSize = 0;
- }
-
- charOff = outOff;
- readOff = inOff;
-
- while(readOff < inEnd) {
- int byte1 = 0 , byte2 = 0, byte3 = 0, byte4 = 0;
-
- // Is there room in the output buffer for the result?
- if (charOff >= outEnd) {
- throw new ConversionBufferFullException();
- }
-
- // Get the input byte
- byte1 = input[readOff++] & 0xFF;
- inputSize = 1;
-
- if ((byte1 & (byte)0x80) == 0){ // US-ASCII range
- outputChar = (char)byte1;
- currentState = GB18030_SINGLE_BYTE;
- }
-
- else if (byte1 < 0x81 || byte1 > 0xfe) {
- if (subMode)
- outputChar = subChars[0];
- else {
- badInputLength = 1;
- throw new UnknownCharacterException();
- }
- }
- else {
- // Either 2 or 4 byte sequence follows
- // If an underrun is detected save for later
- // replay.
-
- if (readOff + inputSize > inEnd) {
- savedBytes[0]=(byte)byte1;
- savedSize = 1;
- break;
- }
-
- byte2 = input[readOff++] & 0xFF;
- inputSize = 2;
-
- if (byte2 < 0x30) {
- badInputLength = 1;
- throw new MalformedInputException();
- }
- else if (byte2 >= 0x30 && byte2 <= 0x39) {
- currentState = GB18030_FOUR_BYTE;
- inputSize = 4;
-
- if (readOff + 2 > inEnd) {
- if (readOff + 1 > inEnd) {
- savedBytes[0] = (byte)byte1;
- savedBytes[1] = (byte)byte2;
- savedSize = 2;
- }
- else {
- savedBytes[0] = (byte)byte1;
- savedBytes[1] = (byte)byte2;
- savedBytes[2] = input[readOff++];
- savedSize = 3;
- }
- break;
- }
- byte3 = input[readOff++] & 0xFF;
- if (byte3 < 0x81 || byte3 > 0xfe) {
- badInputLength = 3;
- throw new MalformedInputException();
- }
-
- byte4 = input[readOff++] & 0xFF;
-
- if (byte4 < 0x30 || byte4 > 0x39) {
- badInputLength = 4;
- throw new MalformedInputException();
- }
- }
- else if (byte2 == 0x7f || byte2 == 0xff ||
- (byte2 < 0x40 )) {
- badInputLength = 2;
- throw new MalformedInputException();
- }
- else
- currentState = GB18030_DOUBLE_BYTE;
- }
-
- switch (currentState){
- case GB18030_SINGLE_BYTE:
- output[charOff++] = (char)(byte1);
- break;
- case GB18030_DOUBLE_BYTE:
- output[charOff++] = super.getUnicode(byte1, byte2);
- break;
- case GB18030_FOUR_BYTE:
- int offset = (((byte1 - 0x81) * 10 +
- (byte2 - 0x30)) * 126 +
- byte3 - 0x81) * 10 + byte4 - 0x30;
- int hiByte = (offset >>8) & 0xFF;
- int lowByte = (offset & 0xFF);
-
- // Mixture of table lookups and algorithmic calculation
- // of character values.
-
- // BMP Ranges
-
- if (offset <= 0x4A62)
- output[charOff++] = getChar(offset);
- else if (offset > 0x4A62 && offset <= 0x82BC)
- output[charOff++] = (char) (offset + 0x5543);
- else if (offset >= 0x82BD && offset <= 0x830D)
- output[charOff++] = getChar(offset);
- else if (offset >= 0x830D && offset <= 0x93A8)
- output[charOff++] = (char) (offset + 0x6557);
- else if (offset >= 0x93A9 && offset <= 0x99FB)
- output[charOff++] = getChar(offset);
- // Supplemental UCS planes handled via surrogates
- else if (offset >= 0x2E248 && offset < 0x12E248) {
- if (offset >= 0x12E248) {
- if (subMode)
- return subChars[0];
- else {
- badInputLength = 4;
- throw new UnknownCharacterException();
- }
- }
-
- if (charOff +2 > outEnd) {
- throw new ConversionBufferFullException();
- }
- offset -= 0x1e248;
- char highSurr = (char) ((offset - 0x10000) / 0x400 + 0xD800);
- char lowSurr = (char) ((offset - 0x10000) % 0x400 + 0xDC00);
- output[charOff++] = highSurr;
- output[charOff++] = lowSurr;
- }
- else {
- badInputLength = 4;
- throw new MalformedInputException();
- }
- break;
- }
- byteOff += inputSize;
- }
-
- byteOff += savedSize;
- return charOff - outOff;
- }
-
- public void reset() {
- byteOff = charOff = 0;
- currentState = GB18030_DOUBLE_BYTE;
- savedSize = 0;
- }
-
- public String getCharacterEncoding() {
- return "GB18030";
- }
-
- private char getChar(int offset) throws UnknownCharacterException {
- int byte1 = (offset >>8) & 0xFF;
- int byte2 = (offset & 0xFF);
- int start = 0, end = 0xFF;
-
- if (((byte1 < 0) || (byte1 > getOuter().length))
- || ((byte2 < start) || (byte2 > end))) {
- if (subMode)
- return subChars[0];
- else {
- badInputLength = 1;
- throw new UnknownCharacterException();
- }
- }
-
- int n = (decoderIndex1[byte1] & 0xf) * (end - start + 1) + (byte2 - start);
- return decoderIndex2[decoderIndex1[byte1] >> 4].charAt(n);
- }
-}