public Expression Expand(Expression selfRef, IEnumerable <Expression> parameters)
{
this.selfRef = selfRef;
string[] vals;
try
{
vals = (string[])ExpressionExpander.Evaluate(parameters.First());
if (vals.Length == 0)
{
throw new Exception();
}
}
catch
{
throw new ArgumentException(string.Format("First argument for the '{0}' method must be non empty string array!", MethodName));
}
// Init parameters
contMeth = typeof(string).GetMethod("Contains");
// Combine using And when method is ContainsAll or using Or when method is ConainsAny
var init = Expression.Call(selfRef, contMeth, Expression.Constant(vals[0]));
return(vals.Skip(1).Fold <string, Expression>(Agg, init));
}
protected ExpressionExpandableMethodAttribute(ExpressionExpander <MethodCallExpression> customExpander)
{
CustomExpander = customExpander;
}
protected ExpressionExpandablePropertyAttribute(ExpressionExpander <MemberExpression> customExpander)
{
CustomExpander = customExpander;
}
