private static ViewGenerator SelectViewGeneratorFromProperties(FormatShape shape, PSObject so,
TerminatingErrorContext errorContext,
PSPropertyExpressionFactory expressionFactory,
TypeInfoDataBase db,
FormattingCommandLineParameters parameters)
{
// use some heuristics to determine the shape if none is specified
if (shape == FormatShape.Undefined && parameters == null)
{
// check first if we have a known shape for a type
var typeNames = so.InternalTypeNames;
shape = DisplayDataQuery.GetShapeFromType(expressionFactory, db, typeNames);
if (shape == FormatShape.Undefined)
{
// check if we can have a table:
// we want to get the # of properties we are going to display
List <PSPropertyExpression> expressionList = PSObjectHelper.GetDefaultPropertySet(so);
if (expressionList.Count == 0)
{
// we failed to get anything from a property set
// we just get the first properties out of the first object
foreach (MshResolvedExpressionParameterAssociation mrepa in AssociationManager.ExpandAll(so))
{
expressionList.Add(mrepa.ResolvedExpression);
}
}
// decide what shape we want for the given number of properties
shape = DisplayDataQuery.GetShapeFromPropertyCount(db, expressionList.Count);
}
}
ViewGenerator viewGenerator = null;
if (shape == FormatShape.Table)
{
viewGenerator = new TableViewGenerator();
}
else if (shape == FormatShape.List)
{
viewGenerator = new ListViewGenerator();
}
else if (shape == FormatShape.Wide)
{
viewGenerator = new WideViewGenerator();
}
else if (shape == FormatShape.Complex)
{
viewGenerator = new ComplexViewGenerator();
}
Diagnostics.Assert(viewGenerator != null, "viewGenerator != null");
viewGenerator.Initialize(errorContext, expressionFactory, so, db, parameters);
return(viewGenerator);
}
/// <summary>
/// Prepares a given view for remote object processing ie., lets the view
/// display (or not) ComputerName property. This will query the object to
/// check if ComputerName property is present. If present, this will prepare
/// the view.
/// </summary>
/// <param name="viewGenerator"></param>
/// <param name="so"></param>
private static void PrepareViewForRemoteObjects(ViewGenerator viewGenerator, PSObject so)
{
if (PSObjectHelper.ShouldShowComputerNameProperty(so))
{
viewGenerator.PrepareForRemoteObjects(so);
}
}