protected internal override object GetParameterValue(
IDynamicParameterContext context)
{
var value = this.GetValueAccessor(context);
return(value);
}
protected internal override void SetParameterValue(
IDynamicParameterContext context,
object value)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
this._setValueAccessor(context.Cmdlet, value);
}
protected internal override object GetParameterValue(
IDynamicParameterContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
var value = this._getValueAccessor(context.Cmdlet);
return(value);
}
public object GetDynamicParameterObject(
IDynamicParameterContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
var parameters = context.GetParameters();
string descriptorIds = string.Join("_", parameters.Select(x => x.ParameterDescriptor.Id).OrderBy(x => x));
string proxyTypeName = $"DynamicProxy_{descriptorIds}";
if (!_constructorCache.TryGetValue(proxyTypeName, out var constructor))
{
_constructorCache[proxyTypeName] = constructor = CreateProxyType(proxyTypeName, context);
}
var proxyObject = constructor(context);
return(proxyObject);
}
private static Func <IDynamicParameterContext, object> CreateProxyType(
[NotNull] string proxyTypeName,
[NotNull] IDynamicParameterContext context)
{
const TypeAttributes typeAttributes =
TypeAttributes.Class |
TypeAttributes.Public |
TypeAttributes.Sealed;
const FieldAttributes fieldAttributes =
FieldAttributes.InitOnly |
FieldAttributes.Private;
var typeBuilder = _moduleBuilder.DefineType(
proxyTypeName,
typeAttributes);
var contextFieldBuilder = typeBuilder.DefineField(
"_context",
typeof(DynamicParameterContext),
fieldAttributes);
GenerateConstructor(typeBuilder, contextFieldBuilder);
foreach (var parameter in context.GetParameters())
{
AddParameter(
typeBuilder,
parameter.ParameterDescriptor,
contextFieldBuilder);
}
var generatedType = typeBuilder.CreateTypeInfo();
var constructorDelegate = GetConstructorDelegate(generatedType);
return(constructorDelegate);
}
public object GetDynamicParameterObject(
IDynamicParameterContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
var rdpd = new RuntimeDefinedParameterDictionary();
foreach (var parameter in context.GetParameters())
{
var descriptor = parameter.ParameterDescriptor;
var attributes = new Collection <Attribute>();
foreach (var attributeData in descriptor.Attributes)
{
attributes.Add((Attribute)attributeData.GetInstance());
}
var rdp = new RuntimeDefinedParameter(
descriptor.ParameterName,
descriptor.ParameterType,
attributes);
if (parameter.IsSet)
{
rdp.Value = parameter.Value;
}
rdpd.Add(descriptor.ParameterName, rdp);
}
return(rdpd);
}
protected internal override void SetParameterValue(
IDynamicParameterContext context,
object value)
{
this.SetValueAccessor(context, value);
}
protected internal abstract void SetParameterValue(
[NotNull] IDynamicParameterContext context,
[CanBeNull] object value);
protected internal abstract object GetParameterValue(
[NotNull] IDynamicParameterContext context);
public void SetValue(
IDynamicParameterContext context,
DynamicParameterDescriptor descriptor,
ref object value)
{
}
