internal static ReflectParameterDescriptor GetParameterDescriptor(
[NotNull][ItemNotNull] IReadOnlyList <MemberInfo> members)
{
if (!_descriptorCache.TryGetValue(members, out var descriptor))
{
var initializationInfo = new ReflectParameterDescriptorInitializationInfo(members);
_descriptorCache[members] = descriptor = new ReflectParameterDescriptor(initializationInfo);
}
return(descriptor);
}
private IEnumerable <ReflectParameterDescriptor> ProcessNonDynamicCompoundParameter(
[NotNull] MemberInfo compoundMember,
[NotNull] Type compoundParameterType)
{
var parameterMembers = Utilities.GetParameterMembers(compoundParameterType);
foreach (var parameterMember in parameterMembers)
{
if (!Attribute.IsDefined(parameterMember, typeof(ParameterAttribute), true))
{
continue;
}
var descriptor = ReflectParameterDescriptor.GetParameterDescriptor(
new[] { compoundMember, parameterMember });
yield return(descriptor);
}
}
public DynamicParameterInstance EnableParameter(
[NotNull][ItemNotNull] IReadOnlyList <MemberInfo> members)
{
if (members is null)
{
throw new ArgumentNullException(nameof(members));
}
var allMembers = new List <MemberInfo>
{
this.CurrentParameter
};
allMembers.AddRange(members);
var descriptor = ReflectParameterDescriptor.GetParameterDescriptor(allMembers);
var instance = this._parentContext.EnableParameter(descriptor);
return(instance);
}
public static DynamicParameterInstance EnableDynamicParameter <TCmdlet, TParameter>(
[NotNull] this TCmdlet cmdlet,
[NotNull] Expression <Func <TCmdlet, TParameter> > parameterExpression)
where TCmdlet : Cmdlet
{
if (cmdlet is null)
{
throw new ArgumentNullException(nameof(cmdlet));
}
if (parameterExpression is null)
{
throw new ArgumentNullException(nameof(parameterExpression));
}
var members = Utilities.ParseExpression((MemberExpression)parameterExpression.Body);
var descriptor = ReflectParameterDescriptor.GetParameterDescriptor(members);
var instance = EnableDynamicParameter(cmdlet, descriptor);
return(instance);
}