jdk/src/share/classes/sun/io/CharToByteISO2022.java
changeset 10372 2f6d68f22eae
parent 10321 64f7ee2f31dd
parent 10371 7da2112e4236
child 10373 d4c5e59b82f8
--- a/jdk/src/share/classes/sun/io/CharToByteISO2022.java	Mon Aug 29 14:27:21 2011 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,221 +0,0 @@
-/*
- * Copyright (c) 1997, 2000, 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;
-
-/**
-* @author Tom Zhou
-*/
-
-public abstract class CharToByteISO2022 extends CharToByteConverter
-{
-    private final byte ISO_ESC = 0x1b;
-    private final byte ISO_SI = 0x0f;
-    private final byte ISO_SO = 0x0e;
-    private final byte ISO_SS2_7 = 0x4e;
-    private final byte ISO_SS3_7 = 0x4f;
-    private final byte SS2 = (byte)0x8e;
-    private final byte P2 = (byte)0xA2;
-    private final byte P3 = (byte)0xA3;
-    private final byte MSB = (byte)0x80;
-
-    protected final byte maximumDesignatorLength = 4;
-
-    protected String SODesignator,
-                     SS2Designator = null,
-                     SS3Designator = null;
-
-    protected CharToByteConverter codeConverter;
-
-    private boolean shiftout = false;
-    private boolean SODesDefined = false;
-    private boolean SS2DesDefined = false;
-    private boolean SS3DesDefined = false;
-
-    private boolean newshiftout = false;
-    private boolean newSODesDefined = false;
-    private boolean newSS2DesDefined = false;
-    private boolean newSS3DesDefined = false;
-
-    public int flush(byte[] output, int outStart, int outEnd)
-        throws MalformedInputException
-    {
-        reset();
-        return 0;
-    }
-
-    public void reset() {
-        shiftout = false;
-        SODesDefined = false;
-        SS2DesDefined = false;
-        SS3DesDefined = false;
-        byteOff = charOff = 0;
-    }
-
-    public boolean canConvert(char ch)
-    {
-        if (ch<0x80)
-           return true;
-        return codeConverter.canConvert(ch);
-    }
-
-    private int unicodeToNative(char unicode, byte ebyte[])
-    {
-        int     index = 0;
-        byte    tmpByte[];
-        byte    convByte[] = new byte[codeConverter.getMaxBytesPerChar()];
-        char    convChar[] = {unicode};
-        int     converted;
-
-        try{
-            converted = codeConverter.convert(convChar, 0, 1, convByte, 0,
-                                        codeConverter.getMaxBytesPerChar());
-        } catch(Exception e) {
-            return -1;
-        }
-
-        if (converted == 2) {
-            if (!SODesDefined) {
-                newSODesDefined = true;
-                ebyte[0] = ISO_ESC;
-                tmpByte = SODesignator.getBytes();
-                System.arraycopy(tmpByte,0,ebyte,1,tmpByte.length);
-                index = tmpByte.length+1;
-            }
-            if (!shiftout) {
-                newshiftout = true;
-                ebyte[index++] = ISO_SO;
-            }
-            ebyte[index++] = (byte)(convByte[0]&0x7f);
-            ebyte[index++] = (byte)(convByte[1]&0x7f);
-        } else {
-            if((convByte[0] == SS2)&&(convByte[1] == P2)) {
-                if (!SS2DesDefined) {
-                    newSS2DesDefined = true;
-                    ebyte[0] = ISO_ESC;
-                    tmpByte = SS2Designator.getBytes();
-                    System.arraycopy(tmpByte,0,ebyte,1,tmpByte.length);
-                    index = tmpByte.length+1;
-                }
-                ebyte[index++] = ISO_ESC;
-                ebyte[index++] = ISO_SS2_7;
-                ebyte[index++] = (byte)(convByte[2]&0x7f);
-                ebyte[index++] = (byte)(convByte[3]&0x7f);
-            }
-            if((convByte[0] == SS2)&&(convByte[1] == 0xA3))
-            {
-                if(!SS3DesDefined){
-                    newSS3DesDefined = true;
-                    ebyte[0] = ISO_ESC;
-                    tmpByte = SS3Designator.getBytes();
-                    System.arraycopy(tmpByte,0,ebyte,1,tmpByte.length);
-                    index = tmpByte.length+1;
-                }
-                ebyte[index++] = ISO_ESC;
-                ebyte[index++] = ISO_SS3_7;
-                ebyte[index++] = (byte)(convByte[2]&0x7f);
-                ebyte[index++] = (byte)(convByte[3]&0x7f);
-            }
-        }
-        return index;
-    }
-
-    /**
-     * Character conversion
-     */
-    public int convert(char[] input, int inOff, int inEnd,
-                       byte[] output, int outOff, int outEnd)
-        throws UnknownCharacterException, MalformedInputException,
-               ConversionBufferFullException
-    {
-        int outputSize;
-        byte [] tmpbuf = new byte[this.getMaxBytesPerChar()];
-        byte [] outputByte;
-
-        byteOff = outOff;
-
-        newshiftout = shiftout;
-        newSODesDefined = SODesDefined;
-        newSS2DesDefined = SS2DesDefined;
-        newSS3DesDefined = SS3DesDefined;
-
-        //Fixed 4122961 by bringing the charOff++ out to this
-        // loop where it belongs, changing the loop from
-        // while(){} to for(){}.
-        for (charOff = inOff; charOff < inEnd; charOff++) {
-            outputByte = tmpbuf;
-            if (input[charOff] < 0x80) {        // ASCII
-                if (shiftout){
-                    newshiftout = false;
-                    outputSize = 2;
-                    outputByte[0] = ISO_SI;
-                    outputByte[1] = (byte)(input[charOff] & 0x7f);
-                } else {
-                    outputSize = 1;
-                    outputByte[0] = (byte)(input[charOff] & 0x7f);
-                }
-                if(input[charOff] == '\n'){
-                    newSODesDefined = false;
-                    newSS2DesDefined = false;
-                    newSS3DesDefined = false;
-                }
-            } else {
-                outputSize = unicodeToNative(input[charOff], outputByte);
-            }
-
-            if (outputSize == -1) {
-                if (subMode) {
-                    if(!newSODesDefined){
-                        newSODesDefined = !newSODesDefined;
-                        outputByte[0] = ISO_SO;
-                        outputByte[1] = (byte)'?';
-                        outputSize = 2;
-                    } else {
-                        outputByte = subBytes;
-                        outputSize = subBytes.length;
-                    }
-                } else {
-                    badInputLength = 1;
-                    throw new UnknownCharacterException();
-                }
-            }
-
-            if (outEnd - byteOff < outputSize)
-                throw new ConversionBufferFullException();
-
-            for (int i = 0; i < outputSize; i++)
-                output[byteOff++] = outputByte[i];
-
-            // Bug 4266772. Update statuses only when output buffer has been
-            // updated. When ConversionBufferFullException() has been throwed
-            // we want to keep old statuses for next call.
-            shiftout = newshiftout;
-            SODesDefined = newSODesDefined;
-            SS2DesDefined = newSS2DesDefined;
-            SS3DesDefined = newSS3DesDefined;
-        }
-        return byteOff - outOff;
-    }
-}