jdk/src/share/classes/sun/io/ByteToCharISCII91.java
changeset 10372 2f6d68f22eae
parent 10321 64f7ee2f31dd
parent 10371 7da2112e4236
child 10373 d4c5e59b82f8
--- a/jdk/src/share/classes/sun/io/ByteToCharISCII91.java	Mon Aug 29 14:27:21 2011 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,233 +0,0 @@
-/*
- * Copyright (c) 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 sun.nio.cs.ext.ISCII91;
-
-/*
- * Copyright (c) 1998 International Business Machines.
- * All Rights Reserved.
- *
- * Author : Sunanda Bera, C. Thirumalesh
- * Last Modified : 23,November,1998
- *
- * Purpose : Defines class ByteToCharISCII91.
- *
- *
- * Revision History
- * ======== =======
- *
- * Date        By            Description
- * ----        --            -----------
- *
- *
- */
-
-/**
- * Converter class. Converts between Unicode encoding and ISCII91 encoding.
- * ISCII91 is the character encoding as defined in Indian Standard document
- * IS 13194:1991 ( Indian Script Code for Information Interchange ).
- *
- * @see sun.io.ByteToCharConverter
- */
-public class ByteToCharISCII91 extends ByteToCharConverter {
-
-    private static final char[] directMapTable = ISCII91.getDirectMapTable();
-
-    private static final char NUKTA_CHAR = '\u093c';
-    private static final char HALANT_CHAR = '\u094d';
-    private static final char ZWNJ_CHAR = '\u200c';
-    private static final char ZWJ_CHAR = '\u200d';
-    private static final char INVALID_CHAR = '\uffff';
-
-    private char contextChar = INVALID_CHAR;
-    private boolean needFlushing = false;
-
-/**
- * Converts ISCII91 characters to Unicode.
- * @see sun.io.ByteToCharConverter#convert
- */
-    public int convert(byte input[], int inStart, int inEnd,
-                        char output[], int outStart, int outEnd)
-    throws ConversionBufferFullException, UnknownCharacterException {
-        /*Rules:
-         * 1)ATR,EXT,following character to be replaced with '\ufffd'
-         * 2)Halant + Halant => '\u094d' (Virama) + '\u200c'(ZWNJ)
-         * 3)Halant + Nukta => '\u094d' (Virama) + '\u200d'(ZWJ)
-         */
-        charOff = outStart;
-        byteOff = inStart;
-        while (byteOff < inEnd) {
-            if (charOff >= outEnd) {
-                throw new ConversionBufferFullException();
-            }
-            int index = input[byteOff++];
-            index = ( index < 0 )? ( index + 255 ):index;
-            char currentChar = directMapTable[index];
-
-            // if the contextChar is either ATR || EXT set the output to '\ufffd'
-            if(contextChar == '\ufffd') {
-                output[charOff++] = '\ufffd';
-                contextChar = INVALID_CHAR;
-                needFlushing = false;
-                continue;
-            }
-
-            switch(currentChar) {
-            case '\u0901':
-            case '\u0907':
-            case '\u0908':
-            case '\u090b':
-            case '\u093f':
-            case '\u0940':
-            case '\u0943':
-            case '\u0964':
-                if(needFlushing) {
-                    output[charOff++] = contextChar;
-                    contextChar = currentChar;
-                    continue;
-                }
-                contextChar = currentChar;
-                needFlushing = true;
-                continue;
-            case NUKTA_CHAR:
-                switch(contextChar) {
-                case '\u0901':
-                    output[charOff] = '\u0950';
-                    break;
-                case '\u0907':
-                    output[charOff] = '\u090c';
-                    break;
-                case '\u0908':
-                    output[charOff] = '\u0961';
-                    break;
-                case '\u090b':
-                    output[charOff] = '\u0960';
-                    break;
-                case '\u093f':
-                    output[charOff] = '\u0962';
-                    break;
-                case '\u0940':
-                    output[charOff] = '\u0963';
-                    break;
-                case '\u0943':
-                    output[charOff] = '\u0944';
-                    break;
-                case '\u0964':
-                    output[charOff] = '\u093d';
-                    break;
-                case HALANT_CHAR:
-                    if(needFlushing) {
-                        output[charOff++] = contextChar;
-                        contextChar = currentChar;
-                        continue;
-                    }
-                    output[charOff] = ZWJ_CHAR;
-                    break;
-                default:
-                    if(needFlushing) {
-                        output[charOff++] = contextChar;
-                        contextChar = currentChar;
-                        continue;
-                    }
-                    output[charOff] = NUKTA_CHAR;
-                }
-                break;
-            case HALANT_CHAR:
-                if(needFlushing) {
-                    output[charOff++] = contextChar;
-                    contextChar = currentChar;
-                    continue;
-                }
-                if(contextChar == HALANT_CHAR) {
-                    output[charOff] = ZWNJ_CHAR;
-                    break;
-                }
-                output[charOff] = HALANT_CHAR;
-                break;
-            case INVALID_CHAR:
-                if(needFlushing) {
-                    output[charOff++] = contextChar;
-                    contextChar = currentChar;
-                    continue;
-                }
-                if(subMode) {
-                    output[charOff] = subChars[0];
-                    break;
-                } else {
-                    contextChar = INVALID_CHAR;
-                    throw new UnknownCharacterException();
-                }
-            default:
-                if(needFlushing) {
-                    output[charOff++] = contextChar;
-                    contextChar = currentChar;
-                    continue;
-                }
-                output[charOff] = currentChar;
-                break;
-        }//end switch
-
-        contextChar = currentChar;
-        needFlushing = false;
-        charOff++;
-        }//end while
-        return charOff - outStart;
-    } //convert()
-
-/**
- * @see sun.io.ByteToCharConverter#flush
- */
-    public  int flush( char[] output, int outStart, int outEnd )
-    throws MalformedInputException, ConversionBufferFullException
-    {
-        int charsWritten = 0;
-        //if the last char was not flushed, flush it!
-        if(needFlushing) {
-            output[outStart] = contextChar;
-            charsWritten = 1;
-        }
-        contextChar = INVALID_CHAR;
-        needFlushing = false;
-        byteOff = charOff = 0;
-        return charsWritten;
-    }//flush()
-/**
- * Returns the character set id for the conversion.
- */
-    public String getCharacterEncoding()
-    {
-        return "ISCII91";
-    }//getCharacterEncoding()
-/**
- * @see sun.io.ByteToCharConverter#reset
- */
-    public void reset()
-    {
-        byteOff = charOff = 0;
-    }//reset()
-
-}//end of class definition