private static Type[] FindType(Type[] types, Type extendedType, string methodName, Func <MethodInfo, bool> filter = null)
{
var query = from type in types
let typeInfo = type.GetTypeInfo()
where typeInfo.IsSealed && typeInfo.IsAbstract
let synonym = InformationOnTheTypes.GetMethodNameBySynonym(type, methodName)
from method in typeInfo.GetMethods()
where method.IsStatic && method.IsDefined(typeof(ExtensionAttribute), false) &&
method.Name == synonym && (filter?.Invoke(method) ?? true)
let parameterType = method.GetParameters()[0].ParameterType
where (parameterType.IsAssignableFrom(extendedType) ||
GenericMethodData.IsSuit(parameterType, extendedType))
select type;
return(query.Distinct().ToArray());
}
public RpcMethodInfo(MethodInfo methodInfo)
{
Method = methodInfo;
ParameterInfo[] parameters = Method.GetParameters();
HasParams = false;
ParametersCount = parameters.Length;
ParamsCount = 0;
if (ParametersCount > 0)
{
HasParams = parameters[parameters.Length - 1].GetCustomAttributes(typeof(ParamArrayAttribute), false).GetEnumerator().MoveNext();
}
if (HasParams)
{
TypeParams = parameters[parameters.Length - 1].ParameterType.GetElementType();
ElementType = InformationOnTheTypes.GetTypeInformation(TypeParams);
}
Parameters = new RpcTypeInfo[ParametersCount];
for (int i = 0; i < parameters.Length; i++)
{
var param = parameters[i];
Parameters[i] = InformationOnTheTypes.GetTypeInformation(param.ParameterType);
if (!HasDefaultValue && param.HasDefaultValue)
{
HasDefaultValue = true;
FirstDefaultParams = i;
}
}
IsGeneric = methodInfo.IsGenericMethod && methodInfo.IsGenericMethodDefinition;
if (IsGeneric)
{
GenericMethod = new GenericMethodData(Method, Parameters);
}
ReturnType = methodInfo.ReturnType.GetTypeInfo().IsInterface ? methodInfo.ReturnType : null;
}