public AvalancheTester(IHashStrategy <T> hashStrategy, IBitOperator <T> bitOperator, int numInputBytes, int numOutputBytes)
{
_hashStrategy = hashStrategy;
_bitOperator = bitOperator;
_numInputBytes = numInputBytes;
_numOutputBytes = numOutputBytes;
}
/// <summary>
/// Compile a binary expression to an <see cref="IBitOperator"/>.
/// </summary>
/// <param name="expression">The expression.</param>
/// <returns>The bitwise operator.</returns>
public static IBitOperator ParseBitOperator(BinaryExpression expression)
{
IBitOperator bitOperator = null;
Func <IBitOperator> opDel = null;
switch (expression.NodeType)
{
case ExpressionType.And:
if (expression.Left.NodeType != expression.NodeType)
{
opDel = () => SqlBuilder.Instance.BitAnd;
}
break;
case ExpressionType.Or:
if (expression.Left.NodeType != expression.NodeType)
{
opDel = () => SqlBuilder.Instance.BitOr;
}
break;
case ExpressionType.ExclusiveOr:
if (expression.Left.NodeType != expression.NodeType)
{
opDel = () => SqlBuilder.Instance.BitXor;
}
break;
default:
throw new ArgumentException("Invalid expression.");
}
if (opDel != null)
{
bitOperator = opDel();
bitOperator.Add(ParseValue(expression.Left));
}
else
{
bitOperator = (IBitOperator)ParseValue(expression.Left);
}
return(bitOperator.Add(ParseValue(expression.Right)));
}
