protected void FindDestinationFullName(Type typeSource, Type typeDestination, string sourceFullName, List <PropertyMapInfo> propertyMapInfoList)
{
const string period = ".";
bool BothTypesAreAnonymous()
=> IsAnonymousType(typeSource) && IsAnonymousType(typeDestination);
TypeMap GetTypeMap() => BothTypesAreAnonymous()
? anonymousTypesConfigurationProvider.CheckIfTypeMapExists(sourceType: typeDestination, destinationType: typeSource)
: ConfigurationProvider.CheckIfTypeMapExists(sourceType: typeDestination, destinationType: typeSource);
//The destination becomes the source because to map a source expression to a destination expression,
//we need the expressions used to create the source from the destination
if (typeSource == typeDestination)
{
var sourceFullNameArray = sourceFullName.Split(new[] { period[0] }, StringSplitOptions.RemoveEmptyEntries);
sourceFullNameArray.Aggregate(propertyMapInfoList, (list, next) =>
{
if (list.Count == 0)
{
AddPropertyMapInfo(typeSource, next, list);
}
else
{
var last = list[list.Count - 1];
AddPropertyMapInfo(last.CustomExpression == null
? last.DestinationPropertyInfos[last.DestinationPropertyInfos.Count - 1].GetMemberType()
: last.CustomExpression.ReturnType, next, list);
}
return(list);
});
return;
}
if (GenericTypeDefinitionsAreEquivalent(typeSource, typeDestination))
{
if (sourceFullName.IndexOf(period, StringComparison.OrdinalIgnoreCase) < 0)
{
//sourceFullName is a member of the generic type definition so just add the members PropertyMapInfo
AddPropertyMapInfo(typeDestination, sourceFullName, propertyMapInfoList);
var sourceType = typeSource.GetFieldOrProperty(sourceFullName).GetMemberType();
var destType = typeDestination.GetFieldOrProperty(sourceFullName).GetMemberType();
TypeMappings.AddTypeMapping(ConfigurationProvider, sourceType, destType);
return;
}
else
{
//propertyName is a member of the generic type definition so just add the members PropertyMapInfo
var propertyName = sourceFullName.Substring(0, sourceFullName.IndexOf(period, StringComparison.OrdinalIgnoreCase));
AddPropertyMapInfo(typeDestination, propertyName, propertyMapInfoList);
var sourceType = typeSource.GetFieldOrProperty(propertyName).GetMemberType();
var destType = typeDestination.GetFieldOrProperty(propertyName).GetMemberType();
TypeMappings.AddTypeMapping(ConfigurationProvider, sourceType, destType);
var childFullName = sourceFullName.Substring(sourceFullName.IndexOf(period, StringComparison.OrdinalIgnoreCase) + 1);
FindDestinationFullName(sourceType, destType, childFullName, propertyMapInfoList);
return;
}
}
var typeMap = GetTypeMap();
PathMap pathMap = typeMap.FindPathMapByDestinationFullPath(destinationFullPath: sourceFullName);
if (pathMap != null)
{
propertyMapInfoList.Add(new PropertyMapInfo(pathMap.CustomMapExpression, new List <MemberInfo>()));
return;
}
if (sourceFullName.IndexOf(period, StringComparison.OrdinalIgnoreCase) < 0)
{
var propertyMap = typeMap.GetMemberMapByDestinationProperty(sourceFullName);
var sourceMemberInfo = typeSource.GetFieldOrProperty(propertyMap.GetDestinationName());
if (propertyMap.ValueResolverConfig != null)
{
throw new InvalidOperationException(Resource.customResolversNotSupported);
}
if (propertyMap.CustomMapExpression == null && !propertyMap.SourceMembers.Any())
{
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Resource.srcMemberCannotBeNullFormat, typeSource.Name, typeDestination.Name, sourceFullName));
}
// CompareSourceAndDestLiterals
// (
// propertyMap.CustomMapExpression != null ? propertyMap.CustomMapExpression.ReturnType : propertyMap.SourceMember.GetMemberType(),
// propertyMap.CustomMapExpression != null ? propertyMap.CustomMapExpression.ToString() : propertyMap.SourceMember.Name,
// sourceMemberInfo.GetMemberType()
// );
// void CompareSourceAndDestLiterals(Type mappedPropertyType, string mappedPropertyDescription, Type sourceMemberType)
// {
// //switch from IsValueType to IsLiteralType because we do not want to throw an exception for all structs
// if ((mappedPropertyType.IsLiteralType() || sourceMemberType.IsLiteralType()) && sourceMemberType != mappedPropertyType)
// throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Resource.expressionMapValueTypeMustMatchFormat, mappedPropertyType.Name, mappedPropertyDescription, sourceMemberType.Name, propertyMap.GetDestinationName()));
// }
if (propertyMap.IncludedMember?.ProjectToCustomSource != null)
{
propertyMapInfoList.Add(new PropertyMapInfo(propertyMap.IncludedMember.ProjectToCustomSource, new List <MemberInfo>()));
}
propertyMapInfoList.Add(new PropertyMapInfo(propertyMap.CustomMapExpression, propertyMap.SourceMembers.ToList()));
}
else
{
var propertyName = sourceFullName.Substring(0, sourceFullName.IndexOf(period, StringComparison.OrdinalIgnoreCase));
var propertyMap = typeMap.GetMemberMapByDestinationProperty(propertyName);
var sourceMemberInfo = typeSource.GetFieldOrProperty(propertyMap.GetDestinationName());
if (propertyMap.CustomMapExpression == null && !propertyMap.SourceMembers.Any())//If sourceFullName has a period then the SourceMember cannot be null. The SourceMember is required to find the ProertyMap of its child object.
{
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Resource.srcMemberCannotBeNullFormat, typeSource.Name, typeDestination.Name, propertyName));
}
if (propertyMap.IncludedMember?.ProjectToCustomSource != null)
{
propertyMapInfoList.Add(new PropertyMapInfo(propertyMap.IncludedMember.ProjectToCustomSource, new List <MemberInfo>()));
}
propertyMapInfoList.Add(new PropertyMapInfo(propertyMap.CustomMapExpression, propertyMap.SourceMembers.ToList()));
var childFullName = sourceFullName.Substring(sourceFullName.IndexOf(period, StringComparison.OrdinalIgnoreCase) + 1);
FindDestinationFullName(sourceMemberInfo.GetMemberType(), propertyMap.CustomMapExpression == null
? propertyMap.SourceMember.GetMemberType()
: propertyMap.CustomMapExpression.ReturnType, childFullName, propertyMapInfoList);
}
}