/// <summary>
/// Finds the marshaller for given <see cref="TypeReference"/> and <see cref="MarshalInfo"/>.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="marshalInfo">The marshal information.</param>
/// <returns></returns>
/// <exception cref="System.NotImplementedException">
/// </exception>
public static Marshaller FindMarshallerForType(TypeReference type, MarshalInfo marshalInfo)
{
// First, check the cache
// TODO: Take marshalInfo into account
Marshaller marshaller;
if (marshallers.TryGetValue(type, out marshaller))
{
return(marshaller);
}
if (marshalInfo != null)
{
switch (marshalInfo.NativeType)
{
case NativeType.IUnknown:
case NativeType.IntF:
// TODO: Implement a real marshaller for that case
return(new BlittableMarshaller());
}
}
switch (type.MetadataType)
{
case MetadataType.Object:
case MetadataType.ValueType:
case MetadataType.Class:
{
// Various types with specific marshallers
if (type.FullName == typeof(HandleRef).FullName)
{
marshaller = new HandleRefMarshaller();
break;
}
if (type.FullName == typeof(StringBuilder).FullName)
{
marshaller = new StringBuilderMarshaller();
break;
}
if (type.FullName == typeof(string).FullName)
{
marshaller = new StringMarshaller(marshalInfo);
break;
}
var typeDefinition = type.Resolve();
// Check if type is a delegate
if (typeDefinition.BaseType != null && typeDefinition.BaseType.FullName == typeof(MulticastDelegate).FullName)
{
marshaller = new DelegateMarshaller();
break;
}
// Check if type is a reference type
if (!typeDefinition.IsValueType)
{
return(new BlittableMarshaller());
}
if (typeDefinition.IsEnum)
{
return(new BlittableMarshaller());
}
// Check if type is blittable
if (IsBlittable(type, marshalInfo))
{
marshaller = new BlittableMarshaller();
break;
}
marshaller = new StructMarshaller(type);
break;
}
case MetadataType.Boolean:
if (marshalInfo != null)
{
// I1/U1 boolean don't need any marshalling
if (marshalInfo.NativeType == NativeType.I1 || marshalInfo.NativeType == NativeType.U1)
{
marshaller = new BlittableMarshaller();
}
else
{
throw new NotImplementedException();
}
}
else
{
// Default case: 4-byte integer
marshaller = new BooleanMarshaller();
}
break;
case MetadataType.SByte:
case MetadataType.Byte:
case MetadataType.Int16:
case MetadataType.UInt16:
case MetadataType.Int32:
case MetadataType.UInt32:
case MetadataType.Int64:
case MetadataType.UInt64:
case MetadataType.Single:
case MetadataType.Double:
case MetadataType.IntPtr:
case MetadataType.UIntPtr:
case MetadataType.Pointer:
case MetadataType.Char:
marshaller = new BlittableMarshaller();
break;
case MetadataType.String:
marshaller = new StringMarshaller(marshalInfo);
break;
case MetadataType.Array:
{
var elementType = ((ArrayType)type).ElementType;
if (IsBlittable(elementType, marshalInfo))
{
marshaller = new BlittableArrayMarshaller();
break;
}
marshaller = new ArrayMarshaller(FindMarshallerForType(elementType, marshalInfo));
break;
}
default:
throw new NotImplementedException(string.Format("Marshaller for type {0}", type));
}
marshallers[type] = marshaller;
return(marshaller);
}
/// <summary>
/// Finds the marshaller for given <see cref="TypeReference"/> and <see cref="MarshalInfo"/>.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="marshalInfo">The marshal information.</param>
/// <returns></returns>
/// <exception cref="System.NotImplementedException">
/// </exception>
public static Marshaller FindMarshallerForType(TypeReference type, MarshalInfo marshalInfo)
{
// First, check the cache
// TODO: Take marshalInfo into account
Marshaller marshaller;
if (marshallers.TryGetValue(type, out marshaller))
return marshaller;
if (marshalInfo != null)
{
switch (marshalInfo.NativeType)
{
case NativeType.IUnknown:
case NativeType.IntF:
// TODO: Implement a real marshaller for that case
return new BlittableMarshaller();
}
}
switch (type.MetadataType)
{
case MetadataType.Object:
case MetadataType.ValueType:
case MetadataType.Class:
{
// Various types with specific marshallers
if (type.FullName == typeof(HandleRef).FullName)
{
marshaller = new HandleRefMarshaller();
break;
}
if (type.FullName == typeof(StringBuilder).FullName)
{
marshaller = new StringBuilderMarshaller();
break;
}
if (type.FullName == typeof(string).FullName)
{
marshaller = new StringMarshaller(marshalInfo);
break;
}
var typeDefinition = type.Resolve();
// Check if type is a delegate
if (typeDefinition.BaseType != null && typeDefinition.BaseType.FullName == typeof(MulticastDelegate).FullName)
{
marshaller = new DelegateMarshaller();
break;
}
// Check if type is a reference type
if (!typeDefinition.IsValueType)
return new BlittableMarshaller();
if (typeDefinition.IsEnum)
return new BlittableMarshaller();
// Check if type is blittable
if (IsBlittable(type, marshalInfo))
{
marshaller = new BlittableMarshaller();
break;
}
marshaller = new StructMarshaller(type);
break;
}
case MetadataType.Boolean:
if (marshalInfo != null)
{
// I1/U1 boolean don't need any marshalling
if (marshalInfo.NativeType == NativeType.I1 || marshalInfo.NativeType == NativeType.U1)
marshaller = new BlittableMarshaller();
else
throw new NotImplementedException();
}
else
{
// Default case: 4-byte integer
marshaller = new BooleanMarshaller();
}
break;
case MetadataType.SByte:
case MetadataType.Byte:
case MetadataType.Int16:
case MetadataType.UInt16:
case MetadataType.Int32:
case MetadataType.UInt32:
case MetadataType.Int64:
case MetadataType.UInt64:
case MetadataType.Single:
case MetadataType.Double:
case MetadataType.IntPtr:
case MetadataType.UIntPtr:
case MetadataType.Pointer:
case MetadataType.Char:
marshaller = new BlittableMarshaller();
break;
case MetadataType.String:
marshaller = new StringMarshaller(marshalInfo);
break;
case MetadataType.Array:
{
var elementType = ((ArrayType)type).ElementType;
if (IsBlittable(elementType, marshalInfo))
{
marshaller = new BlittableArrayMarshaller();
break;
}
marshaller = new ArrayMarshaller(FindMarshallerForType(elementType, marshalInfo));
break;
}
default:
throw new NotImplementedException(string.Format("Marshaller for type {0}", type));
}
marshallers[type] = marshaller;
return marshaller;
}
