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A PHP engine implemented in 100% Java
/*
* Copyright (c) 1998-2012 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Nam Nguyen
*/
package com.caucho.quercus.lib.i18n;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.CoderResult;
import com.caucho.quercus.env.StringValue;
public class Big5Encoder
extends GenericEncoder
{
public Big5Encoder(String charsetName)
{
super(charsetName);
}
@Override
public boolean isEncodable(StringValue str, int start, int end)
{
for (int i = start; i < end; i++) {
char ch = str.charAt(i);
if (ch == '\u20AC') // euro
continue;
else if (! _encoder.canEncode(str.charAt(i))) {
return false;
}
}
return false;
}
@Override
protected boolean fill(StringValue sb, CharBuffer in,
ByteBuffer out, CoderResult coder)
{
int len = out.position();
if (len > 0) {
int offset = out.arrayOffset();
sb.appendBytes(out.array(), offset, offset + len);
}
if (coder.isMalformed() || coder.isUnmappable()) {
int errorIndex = in.position();
in.position(errorIndex + 1);
if (in.get(errorIndex) == '\u20AC') {
// euro
sb.append('\u00a3');
sb.append('\u00e1');
}
else if (_isIgnore) {
}
else if (_replacement != null)
sb.append(_replacement);
else if (_isReplaceUnicode)
sb.append("U+" + Integer.toHexString(in.get(errorIndex)));
else
return false;
}
return true;
}
}