public ParameterStringParser <T> AddMemberMapping(string memberKey, Expression <Func <T, object> > memberExpression)
{
Expression expression = memberExpression;
if (expression.NodeType == ExpressionType.Lambda)
{
expression = ((LambdaExpression)expression).Body;
}
if (expression.NodeType == ExpressionType.MemberAccess)
{
var memberName = ((MemberExpression)expression).Member.Name;
if (MemberMap.ContainsKey(memberKey))
{
MemberMap[memberKey] = memberName;
}
MemberMap.Add(memberKey, memberName);
}
else if (expression.NodeType == ExpressionType.Convert)
{
var operand = ((UnaryExpression)expression).Operand;
if (operand.NodeType == ExpressionType.MemberAccess)
{
var memberName = ((MemberExpression)operand).Member.Name;
if (MemberMap.ContainsKey(memberKey))
{
MemberMap[memberKey] = memberName;
}
MemberMap.Add(memberKey, memberName);
}
}
else
{
throw new Exception("Переданное выражение не является 'MemberAccess'");
}
return(this);
}
