protected override Expression VisitMember(MemberExpression node)
{
var parameterExpression = node.GetParameterExpression();
if (parameterExpression == null)
{
var baseExpression = node.GetBaseOfMemberExpression();
if (baseExpression?.NodeType == ExpressionType.Constant)
{
return(this.Visit
(
Expression.Constant
(
GetConstantValue
(
((ConstantExpression)baseExpression).Value,
node.GetPropertyFullName(),
baseExpression.Type
),
node.Type
)
));
}
return(base.VisitMember(node));
}
InfoDictionary.Add(parameterExpression, TypeMappings);
return(GetMappedMemberExpression(node.GetBaseOfMemberExpression(), new List <PropertyMapInfo>()));
Expression GetMappedMemberExpression(Expression parentExpression, List <PropertyMapInfo> propertyMapInfoList)
{
Expression mappedParentExpression = this.Visit(parentExpression);
FindDestinationFullName(parentExpression.Type, mappedParentExpression.Type, node.GetPropertyFullName(), propertyMapInfoList);
if (propertyMapInfoList.Any(x => x.CustomExpression != null))
{
var fromCustomExpression = GetMemberExpressionFromCustomExpression
(
propertyMapInfoList,
propertyMapInfoList.Last(x => x.CustomExpression != null),
mappedParentExpression
);
this.TypeMappings.AddTypeMapping(ConfigurationProvider, node.Type, fromCustomExpression.Type);
return(fromCustomExpression);
}
var memberExpression = GetMemberExpressionFromMemberMaps(BuildFullName(propertyMapInfoList), mappedParentExpression);
this.TypeMappings.AddTypeMapping(ConfigurationProvider, node.Type, memberExpression.Type);
return(memberExpression);
}
}
protected override Expression VisitMember(MemberExpression node)
{
var parameterExpression = node.GetParameterExpression();
if (parameterExpression == null)
{
return(base.VisitMember(node));
}
InfoDictionary.Add(parameterExpression, TypeMappings);
return(GetMappedMemberExpression(node.GetBaseOfMemberExpression(), new List <PropertyMapInfo>()));
Expression GetMappedMemberExpression(Expression parentExpression, List <PropertyMapInfo> propertyMapInfoList)
{
Expression mappedParentExpression = this.Visit(parentExpression);
FindDestinationFullName(parentExpression.Type, mappedParentExpression.Type, node.GetPropertyFullName(), propertyMapInfoList);
if (propertyMapInfoList.Any(x => x.CustomExpression != null))//CustomExpression takes precedence over DestinationPropertyInfo
{
return(GetMemberExpression
(
new FindMemberExpressionsVisitor(mappedParentExpression),
GetMemberExpressionFromCustomExpression
(
propertyMapInfoList,
propertyMapInfoList.Last(x => x.CustomExpression != null),
mappedParentExpression
)
));
}
return(GetExpressionForInclude
(
GetMemberExpressionFromMemberMaps
(
BuildFullName(propertyMapInfoList),
mappedParentExpression
)
));
}
Expression GetExpressionForInclude(MemberExpression memberExpression)
=> memberExpression.Type.IsLiteralType() ? memberExpression.Expression : memberExpression;
MemberExpression GetMemberExpression(FindMemberExpressionsVisitor visitor, Expression mappedExpression)
{
visitor.Visit(mappedExpression);
return(visitor.Result);
}
}
