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/**
* @author ETSI / STF462 / Alexandre Berge
* @version $URL$
* $Id$
*/
package org.etsi.ttcn.codec.generic;
import org.etsi.ttcn.tci.Type;
import org.etsi.ttcn.tci.Value;
import org.etsi.ttcn.tci.EnumeratedValue;
import org.etsi.ttcn.common.ByteHelper;
import org.etsi.ttcn.codec.ICodec;
import org.etsi.ttcn.codec.MainCodec;
import org.etsi.ttcn.codec.CodecBuffer;
public class Enumerated extends ICodec {
public Enumerated(MainCodec mainCodec) {
super(mainCodec);
}
@Override
public Value decode(CodecBuffer buf, Type decodingHypothesis) {
EnumeratedValue ev = (EnumeratedValue)decodingHypothesis.newInstance();
int lengthInBits = 0;
// Get length
String hint = mainCodec.getHint(decodingHypothesis.getName() + "Len");
if(hint == null) {
lengthInBits = getVariantBitLength(decodingHypothesis.getTypeEncodingVariant());
}
else {
lengthInBits = java.lang.Integer.parseInt(hint);
}
byte[] value = buf.readBits(lengthInBits);
ev.setInt(ByteHelper.byteArrayToInt(value));
return ev;
}
@Override
public CodecBuffer encode(Value value) {
EnumeratedValue ev = (EnumeratedValue)value;
int lengthInBits = 0;
int lengthInBytes = 0;
CodecBuffer encoded = new CodecBuffer();
// Get length
String hint = mainCodec.getHint(value.getType().getName() + "Len");
if(hint == null) {
lengthInBits = getVariantBitLength(value.getType().getTypeEncodingVariant());
}
else {
lengthInBits = java.lang.Integer.parseInt(hint);
}
lengthInBytes = lengthInBits / 8 + (((lengthInBits % 8) > 0)?1:0);
encoded.setBits(ByteHelper.intToByteArray(ev.getInt(), lengthInBytes), lengthInBits);
return encoded;
}
}