/*
* Copyright (c) 1996, 1998, 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
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*/
package sun.io;
/**
* The SJIS converters follow the Shift JIS definition in the JIS
* X0208:1997 standard as much as possible. The MS932 converters must
* be used where the Microsoft Code Page 932 character repertoire and
* Unicode mappings are required.
*
* @author Limin Shi
* @author Mark Son-Bell
*/
public class ByteToCharSJIS extends ByteToCharJIS0208 {
ByteToCharJIS0201 bcJIS0201 = new ByteToCharJIS0201();
public String getCharacterEncoding() {
return "SJIS";
}
protected char convSingleByte(int b) {
// If the high bits are all off, it's ASCII == Unicode
if ((b & 0xFF80) == 0) {
return (char)b;
}
return bcJIS0201.getUnicode(b);
}
protected char getUnicode(int c1, int c2) {
int adjust = c2 < 0x9F ? 1 : 0;
int rowOffset = c1 < 0xA0 ? 0x70 : 0xB0;
int cellOffset = (adjust == 1) ? (c2 > 0x7F ? 0x20 : 0x1F) : 0x7E;
int b1 = ((c1 - rowOffset) << 1) - adjust;
int b2 = c2 - cellOffset;
return super.getUnicode(b1, b2);
}
String prt(int i) {
return Integer.toString(i,16);
}
}