--- a/jdk/src/share/classes/sun/io/CharToByteEUC.java Mon Aug 29 14:27:21 2011 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,256 +0,0 @@
-/*
- * Copyright (c) 1997, 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;
-
-public abstract class CharToByteEUC extends CharToByteConverter
-{
-
- private char highHalfZoneCode;
- private byte[] outputByte;
-
- protected short index1[];
- protected String index2;
- protected String index2a;
- protected String index2b;
- protected String index2c;
- protected int mask1;
- protected int mask2;
- protected int shift;
-
- private byte[] workByte = new byte[4];
-
- /**
- * flush out any residual data and reset the buffer state
- */
- public int flush(byte [] output, int outStart, int outEnd)
- throws MalformedInputException, ConversionBufferFullException
- {
-
- if (highHalfZoneCode != 0) {
- reset();
- badInputLength = 0;
- throw new MalformedInputException();
- }
-
- reset();
- return 0;
- }
-
- /**
- * Character conversion
- */
- public int convert(char[] input, int inOff, int inEnd,
- byte[] output, int outOff, int outEnd)
- throws UnknownCharacterException, MalformedInputException,
- ConversionBufferFullException
- {
- char inputChar;
- int inputSize;
-
- byteOff = outOff;
- charOff = inOff;
-
- while(charOff < inEnd) {
-
- outputByte = workByte;
-
- int index;
- int theBytes;
- int spaceNeeded;
- boolean allZeroes = true;
- int i;
-
-
- if (highHalfZoneCode == 0) {
- inputChar = input[charOff];
- inputSize = 1;
- } else {
- inputChar = highHalfZoneCode;
- inputSize = 0;
- highHalfZoneCode = 0;
- }
-
-
- // Is this a high surrogate?
- if(inputChar >= '\ud800' && inputChar <= '\udbff') {
- // Is this the last character of the input?
- if (charOff + inputSize >= inEnd) {
- highHalfZoneCode = inputChar;
- charOff += inputSize;
- break;
- }
-
- // Is there a low surrogate following?
- inputChar = input[charOff + inputSize];
- if (inputChar >= '\udc00' && inputChar <= '\udfff') {
-
- // We have a valid surrogate pair. Too bad we don't do
- // surrogates. Is substitution enabled?
- if (subMode) {
- outputByte = subBytes;
- inputSize++;
- } else {
- badInputLength = 2;
- throw new UnknownCharacterException();
- }
- } else {
-
- // We have a malformed surrogate pair
- badInputLength = 1;
- throw new MalformedInputException();
- }
- }
-
- // Is this an unaccompanied low surrogate?
- else
- if (inputChar >= '\uDC00' && inputChar <= '\uDFFF') {
- badInputLength = 1;
- throw new MalformedInputException();
- } else {
-
- String theChars;
- char aChar;
-
- // We have a valid character, get the bytes for it
- index = index1[((inputChar & mask1) >> shift)] + (inputChar & mask2);
-
- if (index < 7500)
- theChars = index2;
- else
- if (index < 15000) {
- index = index - 7500;
- theChars = index2a;
- }
- else
- if (index < 22500){
- index = index - 15000;
- theChars = index2b;
- }
- else {
- index = index - 22500;
- theChars = index2c;
- }
-
- aChar = theChars.charAt(2*index);
- outputByte[0] = (byte)((aChar & 0xff00)>>8);
- outputByte[1] = (byte)(aChar & 0x00ff);
- aChar = theChars.charAt(2*index + 1);
- outputByte[2] = (byte)((aChar & 0xff00)>>8);
- outputByte[3] = (byte)(aChar & 0x00ff);
- }
-
- // if there was no mapping - look for substitution characters
-
- for (i = 0; i < outputByte.length; i++) {
- if (outputByte[i] != 0x00) {
- allZeroes = false;
- break;
- }
- }
-
- if (allZeroes && inputChar != '\u0000')
- {
- if (subMode) {
- outputByte = subBytes;
- } else {
- badInputLength = 1;
- throw new UnknownCharacterException();
- }
- }
-
- int oindex = 0;
- for (spaceNeeded = outputByte.length; spaceNeeded > 1; spaceNeeded--){
- if (outputByte[oindex++] != 0x00 )
- break;
- }
-
- if (byteOff + spaceNeeded > outEnd)
- throw new ConversionBufferFullException();
-
-
- for (i = outputByte.length - spaceNeeded; i < outputByte.length; i++) {
- output[byteOff++] = outputByte[i];
- }
-
- charOff += inputSize;
- }
-
- return byteOff - outOff;
- }
-
- /**
- * Resets converter to its initial state.
- */
- public void reset() {
- charOff = byteOff = 0;
- highHalfZoneCode = 0;
- }
-
- /**
- * Returns the maximum number of bytes needed to convert a char.
- */
- public int getMaxBytesPerChar() {
- return 2;
- }
-
-
- /**
- * Returns true if the given character can be converted to the
- * target character encoding.
- */
- public boolean canConvert(char ch) {
- int index;
- String theChars;
-
- index = index1[((ch & mask1) >> shift)] + (ch & mask2);
-
- if (index < 7500)
- theChars = index2;
- else
- if (index < 15000) {
- index = index - 7500;
- theChars = index2a;
- }
- else
- if (index < 22500){
- index = index - 15000;
- theChars = index2b;
- }
- else {
- index = index - 22500;
- theChars = index2c;
- }
-
- if (theChars.charAt(2*index) != '\u0000' ||
- theChars.charAt(2*index + 1) != '\u0000')
- return (true);
-
- // only return true if input char was unicode null - all others are
- // undefined
- return( ch == '\u0000');
-
- }
-
-}