jdk/src/share/classes/sun/io/CharToByteISO2022JP.java
changeset 10372 2f6d68f22eae
parent 10321 64f7ee2f31dd
parent 10371 7da2112e4236
child 10373 d4c5e59b82f8
--- a/jdk/src/share/classes/sun/io/CharToByteISO2022JP.java	Mon Aug 29 14:27:21 2011 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,319 +0,0 @@
-/*
- * Copyright (c) 1996, 1999, 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 java.io.*;
-
-public class CharToByteISO2022JP extends CharToByteJIS0208 {
-
-    private static final int ASCII = 0;                 // ESC ( B
-    private static final int JISX0201_1976 = 1;         // ESC ( J
-    private static final int JISX0208_1978 = 2;         // ESC $ @
-    private static final int JISX0208_1983 = 3;         // ESC $ B
-    private static final int JISX0201_1976_KANA = 4;    // ESC ( I
-
-    private char highHalfZoneCode;
-    private boolean flushed = true;
-
-    // JIS is state full encoding, so currentMode keep the
-    // current codeset
-    private int currentMode = ASCII;
-
-    /**
-     * Bytes for substitute for unmappable input.
-     */
-    // XXX: Assumes subBytes are ASCII string. Need to change Escape sequence
-    // for other character sets.
-    protected byte[] subBytesEscape = { (byte)0x1b, (byte)0x28, (byte)0x42 }; // ESC ( B
-    protected int subBytesMode = ASCII;
-
-    public int flush(byte[] output, int outStart, int outEnd)
-        throws MalformedInputException, ConversionBufferFullException
-    {
-        if (highHalfZoneCode != 0) {
-            highHalfZoneCode = 0;
-            badInputLength = 0;
-            throw new MalformedInputException();
-        }
-
-        if (!flushed && (currentMode != ASCII)) {
-            if (outEnd - outStart < 3) {
-                throw new ConversionBufferFullException();
-            }
-            output[outStart]     = (byte)0x1b;
-            output[outStart + 1] = (byte)0x28;
-            output[outStart + 2] = (byte)0x42;
-            byteOff += 3;
-            byteOff = charOff = 0;
-            flushed = true;
-            currentMode = ASCII;
-            return 3;
-        }
-        return 0;
-    }
-
-    public int convert(char[] input, int inOff, int inEnd,
-                       byte[] output, int outOff, int outEnd)
-        throws MalformedInputException, UnknownCharacterException,
-               ConversionBufferFullException
-
-    {
-        char    inputChar;          // Input character to be converted
-        int     inputSize;          // Size of the input
-        int     outputSize;         // Size of the output
-
-        // Buffer for output bytes
-        byte[]  tmpArray = new byte[6];
-        byte[]  outputByte;
-
-        flushed = false;
-
-        // Make copies of input and output indexes
-        charOff = inOff;
-        byteOff = outOff;
-
-        if (highHalfZoneCode != 0) {
-            inputChar = highHalfZoneCode;
-            highHalfZoneCode = 0;
-            if (input[inOff] >= 0xdc00 && input[inOff] <= 0xdfff) {
-                // This is legal UTF16 sequence.
-                badInputLength = 1;
-                throw new UnknownCharacterException();
-            } else {
-                // This is illegal UTF16 sequence.
-                badInputLength = 0;
-                throw new MalformedInputException();
-            }
-        }
-
-        // Loop until we run out of input
-        while(charOff < inEnd) {
-            outputByte = tmpArray;
-            int newMode = currentMode; // Trace character mode changing
-
-            // Get the input character
-            inputChar = input[charOff];
-            inputSize = 1;
-            outputSize = 1;
-
-            // Is this a high surrogate?
-            if(inputChar >= '\uD800' && inputChar <= '\uDBFF') {
-                // Is this the last character of the input?
-                if (charOff + 1 >= inEnd) {
-                    highHalfZoneCode = inputChar;
-                    break;
-                }
-
-                // Is there a low surrogate following?
-                inputChar = input[charOff + 1];
-                if (inputChar >= '\uDC00' && inputChar <= '\uDFFF') {
-                    // We have a valid surrogate pair.  Too bad we don't do
-                    // surrogates.  Is substitution enabled?
-                    if (subMode) {
-                        if (currentMode != subBytesMode) {
-                            System.arraycopy(subBytesEscape, 0, outputByte, 0,
-                                             subBytesEscape.length);
-                            outputSize = subBytesEscape.length;
-                            System.arraycopy(subBytes, 0, outputByte,
-                                             outputSize, subBytes.length);
-                            outputSize += subBytes.length;
-                            newMode = subBytesMode;
-                        } else {
-                            outputByte = subBytes;
-                            outputSize = subBytes.length;
-                        }
-                        inputSize = 2;
-                    } 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 {
-                // Not part of a surrogate
-
-                // Does this map to the Roman range?
-                if (inputChar <= '\u007F') {
-                    if (currentMode != ASCII) {
-                        outputByte[0] = (byte)0x1b;
-                        outputByte[1] = (byte)0x28;
-                        outputByte[2] = (byte)0x42;
-                        outputByte[3] = (byte)inputChar;
-                        outputSize = 4;
-                        newMode = ASCII;
-                    } else {
-                        outputByte[0] = (byte)inputChar;
-                        outputSize = 1;
-                    }
-                }
-                // Is it a single byte kana?
-                else if (inputChar >= 0xFF61 && inputChar <= 0xFF9F) {
-                    if (currentMode != JISX0201_1976_KANA) {
-                        outputByte[0] = (byte)0x1b;
-                        outputByte[1] = (byte)0x28;
-                        outputByte[2] = (byte)0x49;
-                        outputByte[3] = (byte)(inputChar - 0xff40);
-                        outputSize = 4;
-                        newMode = JISX0201_1976_KANA;
-                    } else {
-                        outputByte[0] = (byte)(inputChar - 0xff40);
-                        outputSize = 1;
-                    }
-                }
-                // Is it a yen sign?
-                else if (inputChar == '\u00A5') {
-                    if (currentMode != JISX0201_1976) {
-                        outputByte[0] = (byte)0x1b;
-                        outputByte[1] = (byte)0x28;
-                        outputByte[2] = (byte)0x4a;
-                        outputByte[3] = (byte)0x5c;
-                        outputSize = 4;
-                        newMode = JISX0201_1976;
-                    } else {
-                        outputByte[0] = (byte)0x5C;
-                        outputSize = 1;
-                    }
-                }
-                // Is it a tilde?
-                else if (inputChar == '\u203E')
-                    {
-                        if (currentMode != JISX0201_1976) {
-                            outputByte[0] = (byte)0x1b;
-                            outputByte[1] = (byte)0x28;
-                            outputByte[2] = (byte)0x4a;
-                            outputByte[3] = (byte)0x7e;
-                            outputSize = 4;
-                            newMode = JISX0201_1976;
-                        } else {
-                            outputByte[0] = (byte)0x7e;
-                            outputSize = 1;
-                        }
-                    }
-                // Is it a JIS-X-0208 character?
-                else {
-                    int index = getNative(inputChar);
-                    if (index != 0) {
-                        if (currentMode != JISX0208_1983) {
-                            outputByte[0] = (byte)0x1b;
-                            outputByte[1] = (byte)0x24;
-                            outputByte[2] = (byte)0x42;
-                            outputByte[3] = (byte)(index >> 8);
-                            outputByte[4] = (byte)(index & 0xff);
-                            outputSize = 5;
-                            newMode = JISX0208_1983;
-                        } else {
-                            outputByte[0] = (byte)(index >> 8);
-                            outputByte[1] = (byte)(index & 0xff);
-                            outputSize = 2;
-                        }
-                    }
-                    // It doesn't map to JIS-0208!
-                    else {
-                        if (subMode) {
-                            if (currentMode != subBytesMode) {
-                                System.arraycopy(subBytesEscape, 0, outputByte, 0,
-                                                 subBytesEscape.length);
-                                outputSize = subBytesEscape.length;
-                                System.arraycopy(subBytes, 0, outputByte,
-                                                 outputSize, subBytes.length);
-                                outputSize += subBytes.length;
-                                newMode = subBytesMode;
-                            } else {
-                                outputByte = subBytes;
-                                outputSize = subBytes.length;
-                            }
-                        } else {
-                            badInputLength = 1;
-                            throw new UnknownCharacterException();
-                        }
-                    }
-                }
-            }
-
-            // Is there room in the output buffer?
-            // XXX: The code assumes output buffer can hold at least 5 bytes,
-            // in this coverter case. However, there is no way for apps to
-            // see how many bytes will be necessary for next call.
-            // getMaxBytesPerChar() should be overriden in every subclass of
-            // CharToByteConverter and reflect real value (5 for this).
-            if (byteOff + outputSize > outEnd)
-                throw new ConversionBufferFullException();
-
-            // Put the output into the buffer
-            for ( int i = 0 ; i < outputSize ; i++ )
-                output[byteOff++] = outputByte[i];
-
-            // Advance the input pointer
-            charOff += inputSize;
-
-            // We can successfuly output the characters, changes
-            // current mode. Fix for 4251646.
-            currentMode = newMode;
-        }
-
-        // return mode ASCII at the end
-        if (currentMode != ASCII){
-            if (byteOff + 3 > outEnd)
-                throw new ConversionBufferFullException();
-
-            output[byteOff++] = 0x1b;
-            output[byteOff++] = 0x28;
-            output[byteOff++] = 0x42;
-            currentMode = ASCII;
-        }
-
-        // Return the length written to the output buffer
-        return byteOff-outOff;
-    }
-
-    // Reset
-    public void reset() {
-        highHalfZoneCode = 0;
-        byteOff = charOff = 0;
-        currentMode = ASCII;
-    }
-
-    /**
-     * returns the maximum number of bytes needed to convert a char
-     */
-    public int getMaxBytesPerChar() {
-        return 8;
-    }
-
-    // Return the character set ID
-    public String getCharacterEncoding() {
-        return "ISO2022JP";
-    }
-
-}