/// <summary>
/// Provides a one-time, pre-processing functionality for the cmdlet.
/// </summary>
protected override void BeginProcessing()
{
// Set up the ExpressionFactory
_expressionFactory = new PSPropertyExpressionFactory();
// If the value of the Title parameter is valid, use it as a window's title.
if (this.Title != null)
{
_windowProxy = new OutWindowProxy(this.Title, OutputMode, this);
}
else
{
// Using the command line as a title.
_windowProxy = new OutWindowProxy(this.MyInvocation.Line, OutputMode, this);
}
// Load the Type info database.
_typeInfoDataBase = this.Context.FormatDBManager.GetTypeInfoDataBase();
}
/// <summary>
/// Takes out the content from the database and writes them out.
/// </summary>
protected override void ProcessRecord()
{
// Remoting detection:
// * Automatic variable $PSSenderInfo is defined in true remoting contexts as well as in background jobs.
// * $PSSenderInfo.ApplicationArguments.PSVersionTable.PSVersion contains the client version, as a [version] instance.
// Note: Even though $PSVersionTable.PSVersion is of type [semver] in PowerShell 6+, it is of type [version] here,
// presumably because only the latter type deserializes type-faithfully.
var clientVersion = PowerShellVersion;
PSSenderInfo remotingClientInfo = GetVariableValue("PSSenderInfo") as PSSenderInfo;
if (clientVersion == null && remotingClientInfo != null)
{
clientVersion = PSObject.Base((PSObject.Base(remotingClientInfo.ApplicationArguments["PSVersionTable"]) as PSPrimitiveDictionary)?["PSVersion"]) as Version;
}
// During remoting, remain compatible with v5.0- clients by default.
// Passing a -PowerShellVersion argument allows overriding the client version.
bool writeOldWay =
(remotingClientInfo != null && clientVersion == null) // To be safe: Remoting client version could unexpectedly not be determined.
||
(clientVersion != null
&&
(clientVersion.Major < 5
||
(clientVersion.Major == 5 && clientVersion.Minor < 1)));
TypeInfoDataBase db = this.Context.FormatDBManager.Database;
List<ViewDefinition> viewdefinitions = db.viewDefinitionsSection.viewDefinitionList;
Dictionary<string, List<string>> typeGroupMap = GetTypeGroupMap(db.typeGroupSection.typeGroupDefinitionList);
var typedefs = new Dictionary<ConsolidatedString, List<FormatViewDefinition>>(ConsolidatedString.EqualityComparer);
foreach (ViewDefinition definition in viewdefinitions)
{
if (definition.isHelpFormatter)
continue;
var consolidatedTypeName = CreateConsolidatedTypeName(definition, typeGroupMap);
if (!ShouldGenerateView(consolidatedTypeName))
continue;
PSControl control;
var tableControlBody = definition.mainControl as TableControlBody;
if (tableControlBody != null)
{
control = new TableControl(tableControlBody, definition);
}
else
{
var listControlBody = definition.mainControl as ListControlBody;
if (listControlBody != null)
{
control = new ListControl(listControlBody, definition);
}
else
{
var wideControlBody = definition.mainControl as WideControlBody;
if (wideControlBody != null)
{
control = new WideControl(wideControlBody, definition);
if (writeOldWay)
{
// Alignment was added to WideControl in V2, but wasn't
// used. It was removed in V5, but old PowerShell clients
// expect this property or fail to rehydrate the remote object.
var psobj = new PSObject(control);
psobj.Properties.Add(new PSNoteProperty("Alignment", 0));
}
}
else
{
var complexControlBody = (ComplexControlBody)definition.mainControl;
control = new CustomControl(complexControlBody, definition);
}
}
}
// Older version of PowerShell do not know about something in the control, so
// don't return it.
if (writeOldWay && !control.CompatibleWithOldPowerShell())
continue;
var formatdef = new FormatViewDefinition(definition.name, control, definition.InstanceId);
List<FormatViewDefinition> viewList;
if (!typedefs.TryGetValue(consolidatedTypeName, out viewList))
{
viewList = new List<FormatViewDefinition>();
typedefs.Add(consolidatedTypeName, viewList);
}
viewList.Add(formatdef);
}
// write out all the available type definitions
foreach (var pair in typedefs)
{
var typeNames = pair.Key;
if (writeOldWay)
{
foreach (var typeName in typeNames)
{
var etd = new ExtendedTypeDefinition(typeName, pair.Value);
WriteObject(etd);
}
}
else
{
var etd = new ExtendedTypeDefinition(typeNames[0], pair.Value);
for (int i = 1; i < typeNames.Count; i++)
{
etd.TypeNames.Add(typeNames[i]);
}
WriteObject(etd);
}
}
}
/// <summary>
/// Takes out the content from the database and writes them out.
/// </summary>
protected override void ProcessRecord()
{
bool writeOldWay = PowerShellVersion == null ||
PowerShellVersion.Major < 5 ||
(PowerShellVersion.Major == 5 && PowerShellVersion.Minor < 1);
TypeInfoDataBase db = this.Context.FormatDBManager.Database;
List <ViewDefinition> viewdefinitions = db.viewDefinitionsSection.viewDefinitionList;
Dictionary <string, List <string> > typeGroupMap = GetTypeGroupMap(db.typeGroupSection.typeGroupDefinitionList);
var typedefs = new Dictionary <ConsolidatedString, List <FormatViewDefinition> >(ConsolidatedString.EqualityComparer);
foreach (ViewDefinition definition in viewdefinitions)
{
if (definition.isHelpFormatter)
{
continue;
}
var consolidatedTypeName = CreateConsolidatedTypeName(definition, typeGroupMap);
if (!ShouldGenerateView(consolidatedTypeName))
{
continue;
}
PSControl control;
var tableControlBody = definition.mainControl as TableControlBody;
if (tableControlBody != null)
{
control = new TableControl(tableControlBody, definition);
}
else
{
var listControlBody = definition.mainControl as ListControlBody;
if (listControlBody != null)
{
control = new ListControl(listControlBody, definition);
}
else
{
var wideControlBody = definition.mainControl as WideControlBody;
if (wideControlBody != null)
{
control = new WideControl(wideControlBody, definition);
if (writeOldWay)
{
// Alignment was added to WideControl in V2, but wasn't
// used. It was removed in V5, but old PowerShell clients
// expect this property or fail to rehydrate the remote object.
var psobj = new PSObject(control);
psobj.Properties.Add(new PSNoteProperty("Alignment", 0));
}
}
else
{
var complexControlBody = (ComplexControlBody)definition.mainControl;
control = new CustomControl(complexControlBody, definition);
}
}
}
// Older version of PowerShell do not know about something in the control, so
// don't return it.
if (writeOldWay && !control.CompatibleWithOldPowerShell())
{
continue;
}
var formatdef = new FormatViewDefinition(definition.name, control, definition.InstanceId);
List <FormatViewDefinition> viewList;
if (!typedefs.TryGetValue(consolidatedTypeName, out viewList))
{
viewList = new List <FormatViewDefinition>();
typedefs.Add(consolidatedTypeName, viewList);
}
viewList.Add(formatdef);
}// foreach(ViewDefinition...
// write out all the available type definitions
foreach (var pair in typedefs)
{
var typeNames = pair.Key;
if (writeOldWay)
{
foreach (var typeName in typeNames)
{
var etd = new ExtendedTypeDefinition(typeName, pair.Value);
WriteObject(etd);
}
}
else
{
var etd = new ExtendedTypeDefinition(typeNames[0], pair.Value);
for (int i = 1; i < typeNames.Count; i++)
{
etd.TypeNames.Add(typeNames[i]);
}
WriteObject(etd);
}
}
}
