gen

gen.cs

public static string CreateCode(Condition node)
{
    StringBuilder sb = new StringBuilder();
    sb.Append("if(");
    while (node!=null)
    {
        if(node.HasNot)
        {
            sb.Append("!");
        }
        
        sb.Append("val.Contains==");

        sb.Append("\""+node.expression+"\" ");

        if(node.LogicalOperator!=LogicalOperator.None)
        {
            sb.Append(GetLogicOperationSymbol(node.LogicalOperator) +" ");
        }
        node = node.Right;

    }
    sb.Append(")");
    sb.AppendLine("");
    sb.AppendLine("{");
    sb.AppendLine("//do stuff");
    sb.AppendLine("}");

    return sb.ToString();
}

public static string GetLogicOperationSymbol(LogicalOperator op)
{
    var retval= "";
    switch (op)
    {
        case LogicalOperator.And:
            retval= "&&";
            break;
        case LogicalOperator.Or:
            retval= "||";
            break;
        case LogicalOperator.Not:
            retval= "!";
            break;
        default:
            break;
    }
    return retval;
}