/*
* Copyright (c) 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
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*/
package sun.io;
import sun.nio.cs.ext.JIS_X_0208_Solaris_Decoder;
import sun.nio.cs.ext.JIS_X_0212_Solaris_Decoder;
/**
*
* @author Limin Shi
* @author Ian Little
*
* EUC_JP variant converter for Solaris with vendor defined chars
* added (4765370)
*/
public class ByteToCharEUC_JP_Solaris extends ByteToCharEUC_JP {
private byte savedSecond = 0;
ByteToCharJIS0201 bcJIS0201 = new ByteToCharJIS0201();
ByteToCharJIS0212_Solaris bcJIS0212 = new ByteToCharJIS0212_Solaris();
short[] j0208Index1 = JIS_X_0208_Solaris_Decoder.getIndex1();
String[] j0208Index2 = JIS_X_0208_Solaris_Decoder.getIndex2();
ByteToCharJIS0212_Solaris j0212Decoder = new ByteToCharJIS0212_Solaris();
public ByteToCharEUC_JP_Solaris() {
super();
start = 0xA1;
end = 0xFE;
savedSecond = 0;
}
public int flush(char[] output, int outStart, int outEnd)
throws MalformedInputException
{
if (savedSecond != 0) {
reset();
throw new MalformedInputException();
}
reset();
return 0;
}
/**
* Resets the converter.
* Call this method to reset the converter to its initial state
*/
public void reset() {
super.reset();
savedSecond = 0;
}
public String getCharacterEncoding() {
return "eucJP-open";
}
protected char convSingleByte(int b) {
if (b < 0 || b > 0x7F)
return REPLACE_CHAR;
return bcJIS0201.getUnicode(b);
}
protected char getUnicode(int byte1, int byte2) {
if (byte1 == 0x8E) {
return bcJIS0201.getUnicode(byte2 - 256);
}
// Fix for bug 4121358 - similar fix for bug 4117820 put
// into ByteToCharDoubleByte.getUnicode()
if (((byte1 < 0) || (byte1 > j0208Index1.length))
|| ((byte2 < start) || (byte2 > end)))
return REPLACE_CHAR;
char result = super.getUnicode(byte1, byte2);
if (result != '\uFFFD') {
return result;
} else {
int n = (j0208Index1[byte1 - 0x80] & 0xf) * (end - start + 1)
+ (byte2 - start);
return j0208Index2[j0208Index1[byte1 - 0x80] >> 4].charAt(n);
}
}
protected char decode0212(int byte1, int byte2) {
return j0212Decoder.getUnicode(byte1, byte2);
}
/**
* Converts sequences of bytes to characters.
* Conversions that result in Exceptions can be restarted by calling
* convert again, with appropriately modified parameters.
* @return the characters written to output.
* @param input byte array containing text in Double/single Byte
* @param inStart offset in input array
* @param inEnd offset of last byte to be converted
* @param output character array to receive conversion result
* @param outStart starting offset
* @param outEnd offset of last byte to be written to
* @throw UnsupportedCharacterException for any bytes
* that cannot be converted to the external character set.
*/
public int convert(byte[] input, int inOff, int inEnd,
char[] output, int outOff, int outEnd)
throws UnknownCharacterException,
ConversionBufferFullException
{
char outputChar = REPLACE_CHAR;
int inputSize = 0; // Size of input
// Record beginning offsets
charOff = outOff;
byteOff = inOff;
// Loop until we hit the end of the input
while (byteOff < inEnd) {
int byte1, byte2;
if (savedByte == 0) {
byte1 = input[byteOff];
inputSize = 1;
} else {
byte1 = savedByte;
savedByte = 0;
inputSize = 0;
}
outputChar = convSingleByte(byte1);
if (outputChar == REPLACE_CHAR) { // Multibyte char
if ((byte1 & 0xff) == 0x8F) { // JIS0212
if (byteOff + inputSize + 1 >= inEnd) {
// split in the middle of a character
// save the first 2 bytes for next time around
savedByte = (byte) byte1;
byteOff += inputSize;
if (byteOff < inEnd) {
savedSecond = input[byteOff];
byteOff++;
}
break;
}
if (savedSecond != 0) {
byte1 = savedSecond & 0xff;
savedSecond = 0;
} else {
byte1 = input[byteOff + inputSize] & 0xff;
inputSize++;
}
byte2 = input[byteOff + inputSize] & 0xff;
inputSize++;
outputChar = bcJIS0212.getUnicode(byte1-0x80, byte2-0x80);
} else { // JIS0208
if (byteOff + inputSize >= inEnd) {
// split in the middle of a character
// save the first byte for next time around
savedByte = (byte) byte1;
byteOff += inputSize;
break;
}
byte1 &= 0xff;
byte2 = input[byteOff + inputSize] & 0xff;
inputSize++;
outputChar = getUnicode(byte1, byte2);
}
}
if (outputChar == REPLACE_CHAR) {
if (subMode)
outputChar = subChars[0];
else {
badInputLength = inputSize;
throw new UnknownCharacterException();
}
}
if (charOff >= outEnd)
throw new ConversionBufferFullException();
output[charOff++] = outputChar;
byteOff += inputSize;
}
return charOff - outOff;
}
}