/// <summary>
/// helper to convert an PSObject into a string
/// It takes into account enumerations (use display name)
/// </summary>
/// <param name="so">shell object to process</param>
/// <param name="expressionFactory">expression factory to create PSPropertyExpression</param>
/// <param name="enumerationLimit">limit on IEnumerable enumeration</param>
/// <param name="formatErrorObject">stores errors during string conversion</param>
/// <returns>string representation</returns>
internal static string SmartToString(PSObject so, PSPropertyExpressionFactory expressionFactory, int enumerationLimit, StringFormatError formatErrorObject)
{
if (so == null)
{
return(string.Empty);
}
try
{
IEnumerable e = PSObjectHelper.GetEnumerable(so);
if (e != null)
{
StringBuilder sb = new StringBuilder();
sb.Append("{");
bool first = true;
int enumCount = 0;
IEnumerator enumerator = e.GetEnumerator();
if (enumerator != null)
{
IBlockingEnumerator <object> be = enumerator as IBlockingEnumerator <object>;
if (be != null)
{
while (be.MoveNext(false))
{
if (LocalPipeline.GetExecutionContextFromTLS().CurrentPipelineStopping)
{
throw new PipelineStoppedException();
}
if (enumerationLimit >= 0)
{
if (enumCount == enumerationLimit)
{
sb.Append(Ellipsis);
break;
}
enumCount++;
}
if (!first)
{
sb.Append(", ");
}
sb.Append(GetObjectName(be.Current, expressionFactory));
if (first)
{
first = false;
}
}
}
else
{
foreach (object x in e)
{
if (LocalPipeline.GetExecutionContextFromTLS().CurrentPipelineStopping)
{
throw new PipelineStoppedException();
}
if (enumerationLimit >= 0)
{
if (enumCount == enumerationLimit)
{
sb.Append(Ellipsis);
break;
}
enumCount++;
}
if (!first)
{
sb.Append(", ");
}
sb.Append(GetObjectName(x, expressionFactory));
if (first)
{
first = false;
}
}
}
}
sb.Append("}");
return(sb.ToString());
}
// take care of the case there is no base object
return(so.ToString());
}
catch (ExtendedTypeSystemException e)
{
// NOTE: we catch all the exceptions, since we do not know
// what the underlying object access would throw
if (formatErrorObject != null)
{
formatErrorObject.sourceObject = so;
formatErrorObject.exception = e;
}
return(string.Empty);
}
}
/// <summary>
/// Helper to convert an PSObject into a string
/// It takes into account enumerations (use display name)
/// </summary>
/// <param name="so">Shell object to process.</param>
/// <param name="expressionFactory">Expression factory to create PSPropertyExpression.</param>
/// <param name="enumerationLimit">Limit on IEnumerable enumeration.</param>
/// <param name="formatErrorObject">Stores errors during string conversion.</param>
/// <returns>String representation.</returns>
internal static string SmartToString(PSObject so, PSPropertyExpressionFactory expressionFactory, int enumerationLimit, StringFormatError formatErrorObject)
{
if (so == null)
{
return(string.Empty);
}
try
{
IEnumerable e = PSObjectHelper.GetEnumerable(so);
if (e != null)
{
StringBuilder sb = new StringBuilder();
sb.Append('{');
bool first = true;
int enumCount = 0;
IEnumerator enumerator = e.GetEnumerator();
if (enumerator != null)
{
IBlockingEnumerator <object> be = enumerator as IBlockingEnumerator <object>;
if (be != null)
{
while (be.MoveNext(false))
{
if (LocalPipeline.GetExecutionContextFromTLS().CurrentPipelineStopping)
{
throw new PipelineStoppedException();
}
if (enumerationLimit >= 0)
{
if (enumCount == enumerationLimit)
{
sb.Append(Ellipsis);
break;
}
enumCount++;
}
if (!first)
{
sb.Append(", ");
}
sb.Append(GetObjectName(be.Current, expressionFactory));
if (first)
{
first = false;
}
}
}
else
{
foreach (object x in e)
{
if (LocalPipeline.GetExecutionContextFromTLS().CurrentPipelineStopping)
{
throw new PipelineStoppedException();
}
if (enumerationLimit >= 0)
{
if (enumCount == enumerationLimit)
{
sb.Append(Ellipsis);
break;
}
enumCount++;
}
if (!first)
{
sb.Append(", ");
}
sb.Append(GetObjectName(x, expressionFactory));
if (first)
{
first = false;
}
}
}
}
sb.Append('}');
return(sb.ToString());
}
// take care of the case there is no base object
return(so.ToString());
}
catch (Exception e) when(e is ExtendedTypeSystemException || e is InvalidOperationException)
{
// These exceptions are being caught and handled by returning an empty string when
// the object cannot be stringified due to ETS or an instance in the collection has been modified
s_tracer.TraceWarning($"SmartToString method: Exception during conversion to string, emitting empty string: {e.Message}");
if (formatErrorObject != null)
{
formatErrorObject.sourceObject = so;
formatErrorObject.exception = e;
}
return(string.Empty);
}
}
public BlockingThreadPool(IBlockingEnumerator <T> blockingEnumerator, ProcessItemDelegate <T> processItem)
{
_blockingEnumerator = blockingEnumerator;
_processItem = processItem;
}
internal static string SmartToString(PSObject so, MshExpressionFactory expressionFactory, int enumerationLimit, StringFormatError formatErrorObject)
{
if (so == null)
{
return("");
}
try
{
IEnumerable enumerable = GetEnumerable(so);
if (enumerable != null)
{
StringBuilder builder = new StringBuilder();
builder.Append("{");
bool flag = true;
int num = 0;
IEnumerator enumerator = enumerable.GetEnumerator();
if (enumerator != null)
{
IBlockingEnumerator <object> enumerator2 = enumerator as IBlockingEnumerator <object>;
if (enumerator2 != null)
{
while (enumerator2.MoveNext(false))
{
if (LocalPipeline.GetExecutionContextFromTLS().CurrentPipelineStopping)
{
throw new PipelineStoppedException();
}
if (enumerationLimit >= 0)
{
if (num == enumerationLimit)
{
builder.Append("...");
break;
}
num++;
}
if (!flag)
{
builder.Append(", ");
}
builder.Append(GetObjectName(enumerator2.Current, expressionFactory));
if (flag)
{
flag = false;
}
}
}
else
{
foreach (object obj2 in enumerable)
{
if (LocalPipeline.GetExecutionContextFromTLS().CurrentPipelineStopping)
{
throw new PipelineStoppedException();
}
if (enumerationLimit >= 0)
{
if (num == enumerationLimit)
{
builder.Append("...");
break;
}
num++;
}
if (!flag)
{
builder.Append(", ");
}
builder.Append(GetObjectName(obj2, expressionFactory));
if (flag)
{
flag = false;
}
}
}
}
builder.Append("}");
return(builder.ToString());
}
return(so.ToString());
}
catch (ExtendedTypeSystemException exception)
{
if (formatErrorObject != null)
{
formatErrorObject.sourceObject = so;
formatErrorObject.exception = exception;
}
return("");
}
}
