private static bool ProcessCustomResolvers(
Expression source,
Expression destination,
TypeAdapterSettings config,
IMemberModel destinationMember,
List <MemberConverter> properties)
{
bool isAdded = false;
var resolvers = config.Resolvers;
if (resolvers != null && resolvers.Count > 0)
{
MemberConverter memberConverter = null;
LambdaExpression lastCondition = null;
for (int j = 0; j < resolvers.Count; j++)
{
var resolver = resolvers[j];
if (destinationMember.Name.Equals(resolver.MemberName))
{
if (memberConverter == null)
{
memberConverter = new MemberConverter
{
ConvertType = 5,
Setter = destinationMember.GetExpression(destination),
SetterInfo = destinationMember.Info,
};
isAdded = true;
}
Expression invoke = resolver.Invoker.Apply(source);
memberConverter.Getter = lastCondition != null
? Expression.Condition(lastCondition.Apply(source), memberConverter.Getter, invoke)
: invoke;
lastCondition = resolver.Condition;
if (resolver.Condition == null)
{
break;
}
}
}
if (memberConverter != null)
{
if (lastCondition != null)
{
memberConverter.Getter = Expression.Condition(lastCondition.Apply(source), memberConverter.Getter, Expression.Constant(memberConverter.Getter.Type.GetDefault(), memberConverter.Getter.Type));
}
properties.Add(memberConverter);
}
}
return(isAdded);
}
private static bool FlattenClass(
Expression source,
Expression destination,
IMemberModel destinationMember,
List <MemberConverter> properties,
bool isProjection)
{
var getter = ReflectionUtils.GetDeepFlattening(source, destinationMember.Name, isProjection);
if (getter != null)
{
var propertyModel = new MemberConverter
{
ConvertType = 3,
Getter = getter,
Setter = destinationMember.GetExpression(destination),
SetterInfo = destinationMember.Info,
};
properties.Add(propertyModel);
return(true);
}
return(false);
}
private static bool FlattenMethod(
Expression source,
Expression destination,
IMemberModel destinationMember,
List <MemberConverter> properties)
{
var getMethod = source.Type.GetMethod(string.Concat("Get", destinationMember.Name));
if (getMethod != null)
{
var propertyModel = new MemberConverter
{
ConvertType = 2,
Getter = Expression.Call(source, getMethod),
Setter = destinationMember.GetExpression(destination),
SetterInfo = destinationMember.Info,
};
properties.Add(propertyModel);
return(true);
}
return(false);
}
protected ClassConverter CreateClassConverter(Expression source, Expression destination, CompileArgument arg)
{
Type sourceType = source.Type;
var classModel = GetClassModel(arg.DestinationType);
var destinationMembers = classModel.Members;
var unmappedDestinationMembers = new List <string>();
var properties = new List <MemberConverter>();
for (int i = 0; i < destinationMembers.Count; i++)
{
var destinationMember = destinationMembers[i];
if (ProcessIgnores(arg.Settings, destinationMember))
{
continue;
}
if (ProcessCustomResolvers(source, destination, arg.Settings, destinationMember, properties))
{
continue;
}
var sourceMember = ReflectionUtils.GetMemberModel(sourceType, destinationMember.Name);
if (sourceMember != null)
{
var propertyModel = new MemberConverter
{
ConvertType = 1,
Getter = sourceMember.GetExpression(source),
Setter = destinationMember.GetExpression(destination),
SetterInfo = destinationMember.Info,
};
properties.Add(propertyModel);
}
else
{
if (arg.MapType != MapType.Projection && FlattenMethod(source, destination, destinationMember, properties))
{
continue;
}
if (FlattenClass(source, destination, destinationMember, properties, arg.MapType == MapType.Projection))
{
continue;
}
if (classModel.ConstructorInfo != null)
{
var propertyModel = new MemberConverter
{
ConvertType = 0,
Getter = null,
Setter = destinationMember.GetExpression(destination),
SetterInfo = destinationMember.Info,
};
properties.Add(propertyModel);
continue;
}
if (destinationMember.HasSetter)
{
unmappedDestinationMembers.Add(destinationMember.Name);
}
}
}
if (arg.Context.Config.RequireDestinationMemberSource && unmappedDestinationMembers.Count > 0)
{
throw new ArgumentOutOfRangeException($"The following members of destination class {arg.DestinationType} do not have a corresponding source member mapped or ignored:{string.Join(",", unmappedDestinationMembers)}");
}
return(new ClassConverter
{
ConstructorInfo = classModel.ConstructorInfo,
Members = properties,
});
}
