org.jruby.util.encoding.ISO_8859_16 Maven / Gradle / Ivy
/*
**** BEGIN LICENSE BLOCK *****
* Version: EPL 1.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Eclipse Public
* License Version 1.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.eclipse.org/legal/epl-v10.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Copyright (C) 2013 The JRuby Community (jruby.org)
*
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* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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package org.jruby.util.encoding;
import sun.nio.cs.US_ASCII;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CharsetEncoder;
import java.nio.charset.CoderResult;
public class ISO_8859_16 extends Charset {
public static final ISO_8859_16 INSTANCE = new ISO_8859_16();
ISO_8859_16() {
super("ISO-8859-16", new String[]{"iso-ir-226", "ISO_8859-16:2001", "ISO_8859-16", "latin10", "l10", "csISO885916", "ISO8859_16", "ISO_8859_16", "8859_16", "ISO8859-16"});
}
@Override
public boolean contains(Charset cs) {
return cs instanceof US_ASCII || cs instanceof ISO_8859_16;
}
@Override
public CharsetDecoder newDecoder() {
return new Decoder(this);
}
@Override
public CharsetEncoder newEncoder() {
return new Encoder(this);
}
private static class Decoder extends CharsetDecoder {
Decoder(Charset charset) {
super(charset, 1.0f, 1.0f);
}
@Override
protected CoderResult decodeLoop(ByteBuffer in, CharBuffer out) {
for (;;) {
if (!in.hasRemaining()) return CoderResult.UNDERFLOW;
if (!out.hasRemaining()) return CoderResult.OVERFLOW;
int b = in.get() & 0xFF;
char c = TABLE[b];
out.put(c);
}
}
private static final char[] TABLE;
static {
TABLE = new char[256];
for (int i = 0; i < 256; i++) {
TABLE[i] = (char)i;
}
TABLE[0xA1] = '\u0104';
TABLE[0xA2] = '\u0105';
TABLE[0xA3] = '\u0141';
TABLE[0xA4] = '\u20AC';
TABLE[0xA5] = '\u201E';
TABLE[0xA6] = '\u0160';
TABLE[0xA8] = '\u0161';
TABLE[0xAA] = '\u0218';
TABLE[0xAC] = '\u0179';
TABLE[0xAE] = '\u017A';
TABLE[0xAF] = '\u017B';
TABLE[0xB2] = '\u010C';
TABLE[0xB3] = '\u0142';
TABLE[0xB4] = '\u017D';
TABLE[0xB5] = '\u201D';
TABLE[0xB8] = '\u017E';
TABLE[0xB9] = '\u010D';
TABLE[0xBA] = '\u0219';
TABLE[0xBC] = '\u0152';
TABLE[0xBD] = '\u0153';
TABLE[0xBE] = '\u0178';
TABLE[0xBF] = '\u017C';
TABLE[0xC3] = '\u0102';
TABLE[0xC5] = '\u0106';
TABLE[0xD1] = '\u0110';
TABLE[0xD2] = '\u0143';
TABLE[0xD5] = '\u0150';
TABLE[0xD7] = '\u015A';
TABLE[0xD8] = '\u0170';
TABLE[0xDD] = '\u0118';
TABLE[0xDE] = '\u021A';
TABLE[0xE3] = '\u0103';
TABLE[0xE5] = '\u0107';
}
}
private static class Encoder extends CharsetEncoder {
Encoder(Charset charset) {
super(charset, 1.0f, 1.0f, new byte[]{(byte)'?'});
}
@Override
protected CoderResult encodeLoop(CharBuffer in, ByteBuffer out) {
for (;;) {
if (!in.hasRemaining()) return CoderResult.UNDERFLOW;
if (!out.hasRemaining()) return CoderResult.OVERFLOW;
char c = in.get();
byte b = 0;
byte[] replace = null;
switch (c) {
case '\u0104': b = (byte)0xA1; break;
case '\u0105': b = (byte)0xA2; break;
case '\u0141': b = (byte)0xA3; break;
case '\u20AC': b = (byte)0xA4; break;
case '\u201E': b = (byte)0xA5; break;
case '\u0160': b = (byte)0xA6; break;
case '\u0161': b = (byte)0xA8; break;
case '\u0218': b = (byte)0xAA; break;
case '\u0179': b = (byte)0xAC; break;
case '\u017A': b = (byte)0xAE; break;
case '\u017B': b = (byte)0xAF; break;
case '\u010C': b = (byte)0xB2; break;
case '\u0142': b = (byte)0xB3; break;
case '\u017D': b = (byte)0xB4; break;
case '\u201D': b = (byte)0xB5; break;
case '\u017E': b = (byte)0xB8; break;
case '\u010D': b = (byte)0xB9; break;
case '\u0219': b = (byte)0xBA; break;
case '\u0152': b = (byte)0xBC; break;
case '\u0153': b = (byte)0xBD; break;
case '\u0178': b = (byte)0xBE; break;
case '\u017C': b = (byte)0xBF; break;
case '\u0102': b = (byte)0xC3; break;
case '\u0106': b = (byte)0xC5; break;
case '\u0110': b = (byte)0xD1; break;
case '\u0143': b = (byte)0xD2; break;
case '\u0150': b = (byte)0xD5; break;
case '\u015A': b = (byte)0xD7; break;
case '\u0170': b = (byte)0xD8; break;
case '\u0118': b = (byte)0xDD; break;
case '\u021A': b = (byte)0xDE; break;
case '\u0103': b = (byte)0xE3; break;
case '\u0107': b = (byte)0xE5; break;
default:
if (c < 256) b = (byte)c;
else replace = replacement();
}
if (replace != null) {
if (out.remaining() < replace.length) {
in.position(in.position() - 1);
return CoderResult.OVERFLOW;
} else {
out.put(replace);
replace = null;
}
} else {
out.put(b);
}
}
}
}
}
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