/*
* Copyright (c) 1996, 2014, 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.awt.windows;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.*;
public final class WingDings extends Charset {
public WingDings () {
super("WingDings", null);
}
@Override
public CharsetEncoder newEncoder() {
return new Encoder(this);
}
/* Seems like supporting a decoder is required, but we aren't going
* to be publically exposing this class, so no need to waste work
*/
@Override
public CharsetDecoder newDecoder() {
throw new Error("Decoder isn't implemented for WingDings Charset");
}
@Override
public boolean contains(Charset cs) {
return cs instanceof WingDings;
}
private static class Encoder extends CharsetEncoder {
public Encoder(Charset cs) {
super(cs, 1.0f, 1.0f);
}
@Override
public boolean canEncode(char c) {
if(c >= 0x2701 && c <= 0x27be){
if (table[c - 0x2700] != 0x00)
return true;
else
return false;
}
return false;
}
@Override
protected CoderResult encodeLoop(CharBuffer src, ByteBuffer dst) {
char[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
assert (sp <= sl);
sp = (sp <= sl ? sp : sl);
byte[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
assert (dp <= dl);
dp = (dp <= dl ? dp : dl);
try {
while (sp < sl) {
char c = sa[sp];
if (dl - dp < 1)
return CoderResult.OVERFLOW;
if (!canEncode(c))
return CoderResult.unmappableForLength(1);
sp++;
da[dp++] = table[c - 0x2700];
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
private static byte[] table = {
(byte)0x00, (byte)0x23, (byte)0x22, (byte)0x00, // 0x2700
(byte)0x00, (byte)0x00, (byte)0x29, (byte)0x3e, // 0x2704
(byte)0x51, (byte)0x2a, (byte)0x00, (byte)0x00, // 0x2708
(byte)0x41, (byte)0x3f, (byte)0x00, (byte)0x00, // 0x270c
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0xfc, // 0x2710
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0xfb, // 0x2714
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, // 0x2718
(byte)0x00, (byte)0x00, (byte)0x56, (byte)0x00, // 0x271c
(byte)0x58, (byte)0x59, (byte)0x00, (byte)0x00, // 0x2720
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, // 0x2724
(byte)0x00, (byte)0x00, (byte)0xb5, (byte)0x00, // 0x2728
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, // 0x272c
(byte)0xb6, (byte)0x00, (byte)0x00, (byte)0x00, // 0x2730
(byte)0xad, (byte)0xaf, (byte)0xac, (byte)0x00, // 0x2734
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, // 0x2738
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x7c, // 0x273c
(byte)0x7b, (byte)0x00, (byte)0x00, (byte)0x00, // 0x2740
(byte)0x54, (byte)0x00, (byte)0x00, (byte)0x00, // 0x2744
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, // 0x2748
(byte)0x00, (byte)0xa6, (byte)0x00, (byte)0x00, // 0x274c
(byte)0x00, (byte)0x71, (byte)0x72, (byte)0x00, // 0x2750
(byte)0x00, (byte)0x00, (byte)0x75, (byte)0x00, // 0x2754
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, // 0x2758
(byte)0x00, (byte)0x7d, (byte)0x7e, (byte)0x00, // 0x275c
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, // 0x2760
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, // 0x2764
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, // 0x2768
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, // 0x276c
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, // 0x2770
(byte)0x00, (byte)0x00, (byte)0x8c, (byte)0x8d, // 0x2774
(byte)0x8e, (byte)0x8f, (byte)0x90, (byte)0x91, // 0x2778
(byte)0x92, (byte)0x93, (byte)0x94, (byte)0x95, // 0x277c
(byte)0x81, (byte)0x82, (byte)0x83, (byte)0x84, // 0x2780
(byte)0x85, (byte)0x86, (byte)0x87, (byte)0x88, // 0x2784
(byte)0x89, (byte)0x8a, (byte)0x8c, (byte)0x8d, // 0x2788
(byte)0x8e, (byte)0x8f, (byte)0x90, (byte)0x91, // 0x278c
(byte)0x92, (byte)0x93, (byte)0x94, (byte)0x95, // 0x2790
(byte)0xe8, (byte)0x00, (byte)0x00, (byte)0x00, // 0x2794
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, // 0x2798
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, // 0x279c
(byte)0x00, (byte)0xe8, (byte)0xd8, (byte)0x00, // 0x27a0
(byte)0x00, (byte)0xc4, (byte)0xc6, (byte)0x00, // 0x27a4
(byte)0x00, (byte)0xf0, (byte)0x00, (byte)0x00, // 0x27a8
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, // 0x27ac
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0xdc, // 0x27b0
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, // 0x27b4
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, // 0x27b8
(byte)0x00, (byte)0x00, (byte)0x00 // 0x27bc
};
/* The default implementation creates a decoder and we don't have one */
@Override
public boolean isLegalReplacement(byte[] repl) {
return true;
}
}
}