--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/io/CharToByteISO2022.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,221 @@
+/*
+ * Copyright 1997-2000 Sun Microsystems, Inc. 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. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.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;
+ }
+}