/// <summary>
/// Create a new TaskParameter
/// </summary>
public TaskParameter(object wrappedParameter)
{
if (wrappedParameter == null)
{
_parameterType = TaskParameterType.Null;
_wrappedParameter = null;
return;
}
Type wrappedParameterType = wrappedParameter.GetType();
if (wrappedParameter is Exception)
{
_parameterType = TaskParameterType.Invalid;
_wrappedParameter = wrappedParameter;
return;
}
// It's not null or invalid, so it should be a valid parameter type.
ErrorUtilities.VerifyThrow
(
TaskParameterTypeVerifier.IsValidInputParameter(wrappedParameterType) || TaskParameterTypeVerifier.IsValidOutputParameter(wrappedParameterType),
"How did we manage to get a task parameter that isn't a valid parameter type?"
);
if (wrappedParameterType.IsArray)
{
if (wrappedParameterType == typeof(string[]))
{
_parameterType = TaskParameterType.StringArray;
_wrappedParameter = wrappedParameter;
}
else if (typeof(ITaskItem[]).GetTypeInfo().IsAssignableFrom(wrappedParameterType.GetTypeInfo()))
{
_parameterType = TaskParameterType.ITaskItemArray;
ITaskItem[] inputAsITaskItemArray = (ITaskItem[])wrappedParameter;
ITaskItem[] taskItemArrayParameter = new ITaskItem[inputAsITaskItemArray.Length];
for (int i = 0; i < inputAsITaskItemArray.Length; i++)
{
if (inputAsITaskItemArray[i] != null)
{
taskItemArrayParameter[i] = CreateNewTaskItemFrom(inputAsITaskItemArray[i]);
}
}
_wrappedParameter = taskItemArrayParameter;
}
else if (wrappedParameterType.GetElementType().GetTypeInfo().IsValueType)
{
_parameterType = TaskParameterType.ValueTypeArray;
_wrappedParameter = wrappedParameter;
}
else
{
ErrorUtilities.ThrowInternalErrorUnreachable();
}
}
else
{
// scalar parameter
if (wrappedParameterType == typeof(string))
{
_parameterType = TaskParameterType.String;
_wrappedParameter = wrappedParameter;
}
else if (typeof(ITaskItem).IsAssignableFrom(wrappedParameterType))
{
_parameterType = TaskParameterType.ITaskItem;
_wrappedParameter = CreateNewTaskItemFrom((ITaskItem)wrappedParameter);
}
else if (wrappedParameterType.GetTypeInfo().IsValueType)
{
_parameterType = TaskParameterType.ValueType;
_wrappedParameter = wrappedParameter;
}
else
{
ErrorUtilities.ThrowInternalErrorUnreachable();
}
}
}
public TaskParameter(object wrappedParameter)
{
if (wrappedParameter == null)
{
_parameterType = TaskParameterType.Null;
_wrappedParameter = null;
return;
}
Type wrappedParameterType = wrappedParameter.GetType();
if (wrappedParameter is Exception)
{
_parameterType = TaskParameterType.Invalid;
_wrappedParameter = wrappedParameter;
return;
}
// It's not null or invalid, so it should be a valid parameter type.
ErrorUtilities.VerifyThrow
(
TaskParameterTypeVerifier.IsValidInputParameter(wrappedParameterType) || TaskParameterTypeVerifier.IsValidOutputParameter(wrappedParameterType),
"How did we manage to get a task parameter of type {0} that isn't a valid parameter type?",
wrappedParameterType
);
if (wrappedParameterType.IsArray)
{
if (wrappedParameterType == typeof(string[]))
{
_parameterType = TaskParameterType.StringArray;
_wrappedParameter = wrappedParameter;
}
else if (typeof(ITaskItem[]).GetTypeInfo().IsAssignableFrom(wrappedParameterType.GetTypeInfo()))
{
_parameterType = TaskParameterType.ITaskItemArray;
ITaskItem[] inputAsITaskItemArray = (ITaskItem[])wrappedParameter;
ITaskItem[] taskItemArrayParameter = new ITaskItem[inputAsITaskItemArray.Length];
for (int i = 0; i < inputAsITaskItemArray.Length; i++)
{
if (inputAsITaskItemArray[i] != null)
{
taskItemArrayParameter[i] = CreateNewTaskItemFrom(inputAsITaskItemArray[i]);
}
}
_wrappedParameter = taskItemArrayParameter;
}
else if (wrappedParameterType.GetElementType().GetTypeInfo().IsValueType)
{
_parameterType = TaskParameterType.ValueTypeArray;
_wrappedParameter = wrappedParameter;
}
else
{
ErrorUtilities.ThrowInternalErrorUnreachable();
}
}
else
{
// scalar parameter
if (wrappedParameterType == typeof(string))
{
_parameterType = TaskParameterType.String;
_wrappedParameter = wrappedParameter;
}
else if (typeof(ITaskItem).IsAssignableFrom(wrappedParameterType))
{
_parameterType = TaskParameterType.ITaskItem;
_wrappedParameter = CreateNewTaskItemFrom((ITaskItem)wrappedParameter);
}
// Preserve enums as strings: the enum type itself may not
// be loaded on the other side of the serialization, but
// we would convert to string anyway after pulling the
// task output into a property or item.
else if (wrappedParameterType.IsEnum)
{
_parameterType = TaskParameterType.String;
_wrappedParameter = (string)Convert.ChangeType(wrappedParameter, typeof(string), CultureInfo.InvariantCulture);
}
// Also stringify known common value types, to avoid calling
// TranslateDotNet when they'll just be stringified on the
// output side
else if (wrappedParameterType == typeof(bool))
{
_parameterType = TaskParameterType.Bool;
_wrappedParameter = wrappedParameter;
}
else if (wrappedParameterType == typeof(int))
{
_parameterType = TaskParameterType.Int;
_wrappedParameter = wrappedParameter;
}
else if (wrappedParameterType.GetTypeInfo().IsValueType)
{
_parameterType = TaskParameterType.ValueType;
_wrappedParameter = wrappedParameter;
}
else
{
ErrorUtilities.ThrowInternalErrorUnreachable();
}
}
}