private Func <ParameterExpression, Expression> CloneListElementDelegate(IExpressionBuilder expressionBuilder, CloneExpressionContext context)
{
Type elementType = context
.SourceEntity
.Type
.GenericTypeArguments
.Single();
PropertyInfo indexProperty = typeof(IList <>)
.MakeGenericType(elementType)
.GetProperty(IndexPropertyName);
MethodInfo addMethod = typeof(ICollection <>)
.MakeGenericType(elementType)
.GetMethod(nameof(ICollection <object> .Add));
if (PrimitiveTypes.Contains(elementType))
{
return (iterator) =>
{
Expression getElementExpression = ExpressionFactory.Call(context.SourceEntity, indexProperty.GetMethod, iterator);
return ExpressionFactory.Call(context.TargetEntity, addMethod, getElementExpression);
}
}
;
else
{
return (iterator) =>
{
Expression getElementExpression = ExpressionFactory.Call(context.SourceEntity, indexProperty.GetMethod, iterator);
MethodInfo cloneMethod = CloneMethod.MakeGenericMethod(elementType);
Expression clonedElement = ExpressionFactory.Call(context.CloneFactory, cloneMethod, getElementExpression);
return ExpressionFactory.Call(context.TargetEntity, addMethod, clonedElement);
}
};
}
private Func <ParameterExpression, Expression> CloneArrayElementDelegate(CloneExpressionContext context)
{
Type elementType = context
.SourceEntity
.Type
.GetElementType();
PropertyInfo indexProperty = typeof(IList <>)
.MakeGenericType(elementType)
.GetProperty(IndexPropertyName);
if (PrimitiveTypes.Contains(elementType))
{
return (iterator) =>
{
Expression getElementExpression = ExpressionFactory.Call(context.SourceEntity, indexProperty.GetMethod, iterator);
return ExpressionFactory.Call(context.TargetEntity, indexProperty.SetMethod, iterator, getElementExpression);
}
}
;
else
{
return (iterator) =>
{
Expression getElementExpression = ExpressionFactory.Call(context.SourceEntity, indexProperty.GetMethod, iterator);
MethodInfo cloneMethod = CloneMethod.MakeGenericMethod(elementType);
Expression clonedElement = ExpressionFactory.Call(context.CloneFactory, cloneMethod, getElementExpression);
return ExpressionFactory.Call(context.TargetEntity, indexProperty.SetMethod, iterator, clonedElement);
}
};
}
/// <summary>
/// True if the type is a primitive (nullable or non-nullable) type.
/// This class' PrimitiveTypes or PrimitiveNullableTypes contain the types against which the passed-in type is compared.
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public static bool IsPrimitive(Type type)
{
return
(PrimitiveTypes.Contains(type)
||
PrimitiveNullableTypes.Contains(type)
);
}
public static List <PropertyInfo> GetComplexProps(Type type)
{
if (!_complexProps.Keys.Contains(type.FullName))
{
_complexProps.Add(type.FullName, GetProps(type).Where(p => !PrimitiveTypes.Contains(p.PropertyType) && !PrimitiveNullableTypes.Contains(p.PropertyType)).ToList());
}
return(_complexProps[type.FullName]);
}
/// <summary>
/// Tests whether the type is a primitive one from the business logic view.
/// (Business logic view sees structures such as DateTime, Guid or enumerations as primitives)
/// </summary>
/// <param name="type">The type to be tested</param>
/// <returns>true if the type is a primitive according to business logic view, false otherwise</returns>
public static bool IsPrimitive(this Type type)
{
if (type.IsNullable()) // Unbox the nullable type
{
type = type.GetNullableType();
}
return(type.IsEnum ||
PrimitiveTypes.Contains(type));
}
private void CloneProperty(IExpressionBuilder expressionBuilder, CloneExpressionContext parameters, PropertyInfo property)
{
if (PrimitiveTypes.Contains(property.PropertyType))
{
ClonePrimitiveProperty(expressionBuilder, parameters, property);
}
else
{
CloneComplexProperty(expressionBuilder, parameters, property);
}
}
protected override IEnumerable <PropertyInfo> FilterComplexTypes(IEnumerable <PropertyInfo> properties)
{
foreach (var propertyInfo in properties)
{
Type type = propertyInfo.PropertyType;
type = Nullable.GetUnderlyingType(type) ?? type;
if (type.IsPrimitive || type.IsEnum || PrimitiveTypes.Contains(type))
{
yield return(propertyInfo);
}
}
}
public static bool IsPrimitiveType(Type type)
{
if (PrimitiveTypes.Contains(type) ||
type.IsEnum)
{
return(true);
}
var fullName = type.FullName;
if (fullName.Length < 8 || fullName[7] != 'F' && fullName[7] != 'A')
{
return(false);
}
return(fullName.StartsWith("System.Func`") || type.FullName.StartsWith("System.Action`"));
}
public static bool IsPrimitive(this Type type)
{
Contract.Requires(type != null);
return(type.GetTypeInfo().IsPrimitive || PrimitiveTypes.Contains(type));
}
public static bool IsPrimitiveType(Type t)
{
return(PrimitiveTypes.Contains(t));
}
public TypeRef GetTypeRef(Type type)
{
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
TypeRef theReturn;
//lock (cacheLocker)
//{
// if (namesByTypeCache.TryGetValue(type, out theReturn))
// {
// return theReturn;
// }
//}
if (type.IsArray)
{
var wrappedType = GetTypeRef(type.GetElementType());
theReturn = wrappedType.Clone();
theReturn.ArrayDimensions = type.GetArrayRank();
}
else
{
theReturn = new TypeRef()
{
Namespace = type.Namespace,
IsConstructedGenericType = type.IsConstructedGenericType && !type.IsEnum,
IsGenericTypeDefinition = type.IsGenericTypeDefinition && !type.IsEnum,
IsGenericParameter = type.IsGenericParameter && !type.IsEnum,
IsEnum = type.IsEnum,
IsInterface = type.IsInterface
};
var indexOfAccent = type.Name.IndexOf('`');
if (indexOfAccent > 0)
{
theReturn.Name = type.Name.Substring(0, indexOfAccent);
}
else
{
theReturn.Name = type.Name;
}
if (type.IsNested && !type.IsGenericParameter)
{
theReturn.NestedIn = GetTypeRef(type.DeclaringType);
}
if (type.IsGenericTypeDefinition)
{
theReturn.GenericParameters = type.GetGenericArguments().Select(t => GetTypeRef(t)).ToArray();
}
else if (type.IsConstructedGenericType)
{
theReturn.Wrapped = type.GetGenericArguments().Select(GetTypeRef).ToArray();
}
theReturn.IsPrimitive = PrimitiveTypes.Contains(type);
theReturn.IsWellKnown = WellKnownAssemblies.Contains(type.Assembly);
}
lock (cacheLocker)
{
typesByNameCache[theReturn] = type;
//namesByTypeCache[type] = theReturn;
}
return(theReturn);
}
/// <inheritdoc/>
protected override IEnumerable <NonaProperty> FilterComplexTypes(Type type)
{
foreach (var property in type.GetProperties())
{
var propertyType = property.PropertyType;
propertyType = Nullable.GetUnderlyingType(propertyType) ?? propertyType;
if (propertyType.GetTypeInfo().IsPrimitive || propertyType.GetTypeInfo().IsEnum || PrimitiveTypes.Contains(propertyType))
{
yield return(new NonaProperty(type, property));
}
}
}
