internal PSSnapInInfo RemovePSSnapIn(string mshSnapInID)
{
if (string.IsNullOrEmpty(mshSnapInID))
{
PSTraceSource.NewArgumentNullException("mshSnapInID");
}
PSSnapInInfo.VerifyPSSnapInFormatThrowIfError(mshSnapInID);
PSSnapInInfo info = null;
foreach (PSSnapInInfo info2 in this.externalPSSnapIns)
{
if (string.Equals(mshSnapInID, info2.Name, StringComparison.OrdinalIgnoreCase))
{
info = info2;
this.externalPSSnapIns.Remove(info2);
this.isDirty = true;
break;
}
}
if (info != null)
{
return(info);
}
if (IsDefaultPSSnapIn(mshSnapInID, this.defaultPSSnapIns))
{
_mshsnapinTracer.WriteLine("MshSnapin {0} can't be removed since it is a default mshsnapin.", new object[] { mshSnapInID });
throw PSTraceSource.NewArgumentException("mshSnapInID", "ConsoleInfoErrorStrings", "CannotRemoveDefault", new object[] { mshSnapInID });
}
throw PSTraceSource.NewArgumentException("mshSnapInID", "ConsoleInfoErrorStrings", "CannotRemovePSSnapIn", new object[] { mshSnapInID });
}
internal Collection <PSSnapInInfo> GetPSSnapIn(string pattern, bool searchRegistry)
{
bool flag = WildcardPattern.ContainsWildcardCharacters(pattern);
if (!flag)
{
PSSnapInInfo.VerifyPSSnapInFormatThrowIfError(pattern);
}
Collection <PSSnapInInfo> collection = searchRegistry ? PSSnapInReader.ReadAll() : this.PSSnapIns;
Collection <PSSnapInInfo> collection2 = new Collection <PSSnapInInfo>();
if (collection != null)
{
if (!flag)
{
foreach (PSSnapInInfo info in collection)
{
if (string.Equals(info.Name, pattern, StringComparison.OrdinalIgnoreCase))
{
collection2.Add(info);
}
}
return(collection2);
}
WildcardPattern pattern2 = new WildcardPattern(pattern, WildcardOptions.IgnoreCase);
foreach (PSSnapInInfo info2 in collection)
{
if (pattern2.IsMatch(info2.Name))
{
collection2.Add(info2);
}
}
}
return(collection2);
}
internal PSSnapInInfo RemovePSSnapIn(string mshSnapInID)
{
using (MshConsoleInfo.tracer.TraceMethod())
{
if (string.IsNullOrEmpty(mshSnapInID))
{
MshConsoleInfo.tracer.NewArgumentNullException(nameof(mshSnapInID));
}
PSSnapInInfo.VerifyPSSnapInFormatThrowIfError(mshSnapInID);
PSSnapInInfo psSnapInInfo = (PSSnapInInfo)null;
foreach (PSSnapInInfo externalPsSnapIn in this.externalPSSnapIns)
{
if (string.Equals(mshSnapInID, externalPsSnapIn.Name, StringComparison.OrdinalIgnoreCase))
{
psSnapInInfo = externalPsSnapIn;
this.externalPSSnapIns.Remove(externalPsSnapIn);
this.isDirty = true;
break;
}
}
if (psSnapInInfo != null)
{
return(psSnapInInfo);
}
if (this.IsDefaultPSSnapIn(mshSnapInID))
{
MshConsoleInfo._mshsnapinTracer.WriteLine("MshSnapin {0} can't be removed since it is a default mshsnapin.", (object)mshSnapInID);
throw MshConsoleInfo.tracer.NewArgumentException(nameof(mshSnapInID), "ConsoleInfoErrorStrings", "CannotRemoveDefault", (object)mshSnapInID);
}
throw MshConsoleInfo.tracer.NewArgumentException(nameof(mshSnapInID), "ConsoleInfoErrorStrings", "CannotRemovePSSnapIn", (object)mshSnapInID);
}
}
/// <summary>
/// Searches for mshsnapin in either current console or registry as determined
/// by <paramref name="searchRegistry"/>.
/// </summary>
/// <param name="pattern">
/// Id/WildcardPattern of the mshsnapin to search for. This can contain wildcard characters as
/// represented by WildCardPattern.
/// </param>
/// <param name="searchRegistry">
/// A boolean which determines whether to search in the current console or registry.
/// </param>
/// <returns>A collection of mshsnapininfo objects.</returns>
/// <exception cref="PSArgumentException">
/// 1.Unable to read registry entries for mshsnapins.
/// 2.Pattern specified is not valid. If pattern doesnt contain
/// wildcard characters, this function checks for the validity
/// of the mshsnapin name.
/// </exception>
/// <exception cref="System.Security.SecurityException">
/// Caller doesn't have permission to read keys.
/// </exception>
internal Collection <PSSnapInInfo> GetPSSnapIn(string pattern, bool searchRegistry)
{
// We want to improve the search speed by noting whether we want
// to perform wildcard search.
bool doWildCardSearch = WildcardPattern.ContainsWildcardCharacters(pattern);
if (!doWildCardSearch)
{
// Verify PSSnapInID..
// This will throw if it not a valid name
PSSnapInInfo.VerifyPSSnapInFormatThrowIfError(pattern);
}
// Build the list to search..If searchRegistry is true get all mshsnapins available
// from the registry, otherwise get mshsnapins from the current console.
Collection <PSSnapInInfo> listToSearch = searchRegistry ?
PSSnapInReader.ReadAll() : PSSnapIns;
// Create a list to return..
Collection <PSSnapInInfo> listToReturn = new Collection <PSSnapInInfo>();
// If there is nothing to search..
if (listToSearch == null)
{
return(listToReturn);
}
if (!doWildCardSearch)
{
// We are not doing wildcard search..
foreach (PSSnapInInfo mshSnapIn in listToSearch)
{
if (string.Equals(mshSnapIn.Name, pattern, StringComparison.OrdinalIgnoreCase))
{
listToReturn.Add(mshSnapIn);
}
}
}
else
{
WildcardPattern matcher = WildcardPattern.Get(pattern, WildcardOptions.IgnoreCase);
// We are doing WildCard search
foreach (PSSnapInInfo mshSnapIn in listToSearch)
{
if (matcher.IsMatch(mshSnapIn.Name))
{
listToReturn.Add(mshSnapIn);
}
}
}
// return whatever we found..may be 0..
return(listToReturn);
}
protected internal Collection <PSSnapInInfo> GetSnapIns(string pattern)
{
if (this.Runspace != null)
{
if (pattern != null)
{
return(this.Runspace.ConsoleInfo.GetPSSnapIn(pattern, this._shouldGetAll));
}
return(this.Runspace.ConsoleInfo.PSSnapIns);
}
WildcardPattern pattern2 = null;
if (!string.IsNullOrEmpty(pattern))
{
if (!WildcardPattern.ContainsWildcardCharacters(pattern))
{
PSSnapInInfo.VerifyPSSnapInFormatThrowIfError(pattern);
}
pattern2 = new WildcardPattern(pattern, WildcardOptions.IgnoreCase);
}
Collection <PSSnapInInfo> collection = new Collection <PSSnapInInfo>();
if (this._shouldGetAll)
{
foreach (PSSnapInInfo info in PSSnapInReader.ReadAll())
{
if ((pattern2 == null) || pattern2.IsMatch(info.Name))
{
collection.Add(info);
}
}
return(collection);
}
List <CmdletInfo> cmdlets = base.InvokeCommand.GetCmdlets();
Dictionary <PSSnapInInfo, bool> dictionary = new Dictionary <PSSnapInInfo, bool>();
foreach (CmdletInfo info2 in cmdlets)
{
PSSnapInInfo pSSnapIn = info2.PSSnapIn;
if ((pSSnapIn != null) && !dictionary.ContainsKey(pSSnapIn))
{
dictionary.Add(pSSnapIn, true);
}
}
foreach (PSSnapInInfo info4 in dictionary.Keys)
{
if ((pattern2 == null) || pattern2.IsMatch(info4.Name))
{
collection.Add(info4);
}
}
return(collection);
}
/// <summary>
/// Removes a mshsnapin specified by <paramref name="mshSnapInID"/> from the current
/// list.
/// </summary>
/// <param name="mshSnapInID">ID of the mshsnapin which needs to be removed</param>
/// <returns>PSSnapInInfo object for the mshsnapin that is removed.</returns>
/// <remarks>MshSnapin is removed only from the console file. Registry entry
/// is not touched.</remarks>
/// <exception cref="PSArgumentNullException">
/// mshSnapInID is null.
/// </exception>
/// <exception cref="PSArgumentException">
/// 1. mshSnapInID is either a default mshsnapin or not loaded.
/// 2. mshSnapInId is not valid.
/// </exception>
internal PSSnapInInfo RemovePSSnapIn(string mshSnapInID)
{
if (string.IsNullOrEmpty(mshSnapInID))
{
PSTraceSource.NewArgumentNullException("mshSnapInID");
}
// Monad has specific restrictions on the mshsnapinid like
// mshsnapinid should be A-Za-z0-9.-_ etc.
PSSnapInInfo.VerifyPSSnapInFormatThrowIfError(mshSnapInID);
PSSnapInInfo removedPSSnapIn = null;
// Check external mshsnapins
foreach (PSSnapInInfo mshSnapIn in _externalPSSnapIns)
{
if (string.Equals(mshSnapInID, mshSnapIn.Name, System.StringComparison.OrdinalIgnoreCase))
{
// We found the mshsnapin..remove from the list and break
removedPSSnapIn = mshSnapIn;
_externalPSSnapIns.Remove(mshSnapIn);
// The state of console file is changing..so set
// dirty flag.
IsDirty = true;
break;
}
}
if (removedPSSnapIn == null)
{
if (IsDefaultPSSnapIn(mshSnapInID, _defaultPSSnapIns))
{
s_mshsnapinTracer.WriteLine("MshSnapin {0} can't be removed since it is a default mshsnapin.", mshSnapInID);
throw PSTraceSource.NewArgumentException("mshSnapInID", ConsoleInfoErrorStrings.CannotRemoveDefault, mshSnapInID);
}
throw PSTraceSource.NewArgumentException("mshSnapInID", ConsoleInfoErrorStrings.CannotRemovePSSnapIn, mshSnapInID);
}
return(removedPSSnapIn);
}
protected override void ProcessRecord()
{
foreach (string str in this._pssnapins)
{
Collection <PSSnapInInfo> snapIns = base.GetSnapIns(str);
if (snapIns.Count == 0)
{
base.WriteNonTerminatingError(str, "NoPSSnapInsFound", PSTraceSource.NewArgumentException(str, "MshSnapInCmdletResources", "NoPSSnapInsFound", new object[] { str }), ErrorCategory.InvalidArgument);
}
else
{
foreach (PSSnapInInfo info in snapIns)
{
if (base.ShouldProcess(info.Name))
{
Exception innerException = null;
if ((base.Runspace == null) && (base.Context.InitialSessionState != null))
{
try
{
PSSnapInException exception2;
PSSnapInInfo.VerifyPSSnapInFormatThrowIfError(info.Name);
if (MshConsoleInfo.IsDefaultPSSnapIn(info.Name, base.Context.InitialSessionState.defaultSnapins))
{
throw PSTraceSource.NewArgumentException(info.Name, "ConsoleInfoErrorStrings", "CannotRemoveDefault", new object[] { info.Name });
}
InitialSessionState state = InitialSessionState.Create();
state.ImportPSSnapIn(info, out exception2);
state.Unbind(base.Context);
base.Context.InitialSessionState.ImportedSnapins.Remove(info.Name);
}
catch (PSArgumentException exception3)
{
innerException = exception3;
}
if (innerException != null)
{
base.WriteNonTerminatingError(str, "RemovePSSnapIn", innerException, ErrorCategory.InvalidArgument);
}
}
else
{
try
{
PSSnapInException warning = null;
PSSnapInInfo sendToPipeline = base.Runspace.RemovePSSnapIn(info.Name, out warning);
if (warning != null)
{
base.WriteNonTerminatingError(info.Name, "RemovePSSnapInRead", warning, ErrorCategory.InvalidData);
}
if (this._passThru)
{
sendToPipeline.LoadIndirectResources(base.ResourceReader);
base.WriteObject(sendToPipeline);
}
}
catch (PSArgumentException exception5)
{
innerException = exception5;
}
if (innerException != null)
{
base.WriteNonTerminatingError(str, "RemovePSSnapIn", innerException, ErrorCategory.InvalidArgument);
}
}
}
}
}
}
}
/// <summary>
/// Removes pssnapins from the current console file.
/// </summary>
/// <remarks>
/// The pssnapin is not unloaded from the current engine. So all the cmdlets that are
/// represented by this pssnapin will continue to work.
/// </remarks>
protected override void ProcessRecord()
{
foreach (string psSnapIn in _pssnapins)
{
Collection <PSSnapInInfo> snapIns = GetSnapIns(psSnapIn);
// snapIns won't be null..
Diagnostics.Assert(snapIns != null, "GetSnapIns() returned null");
if (snapIns.Count == 0)
{
WriteNonTerminatingError(psSnapIn, "NoPSSnapInsFound",
PSTraceSource.NewArgumentException(psSnapIn,
MshSnapInCmdletResources.NoPSSnapInsFound, psSnapIn),
ErrorCategory.InvalidArgument);
continue;
}
foreach (PSSnapInInfo snapIn in snapIns)
{
// confirm the operation first
// this is always false if WhatIf is set
if (ShouldProcess(snapIn.Name))
{
Exception exception = null;
if (this.Runspace == null && this.Context.InitialSessionState != null)
{
try
{
// Check if this snapin can be removed
// Monad has specific restrictions on the mshsnapinid like
// mshsnapinid should be A-Za-z0-9.-_ etc.
PSSnapInInfo.VerifyPSSnapInFormatThrowIfError(snapIn.Name);
if (MshConsoleInfo.IsDefaultPSSnapIn(snapIn.Name, this.Context.InitialSessionState.defaultSnapins))
{
throw PSTraceSource.NewArgumentException(snapIn.Name, ConsoleInfoErrorStrings.CannotRemoveDefault, snapIn.Name);
}
// Handle the initial session state case...
InitialSessionState iss = InitialSessionState.Create();
PSSnapInException warning;
// Get the snapin information...
iss.ImportPSSnapIn(snapIn, out warning);
iss.Unbind(Context);
Context.InitialSessionState.ImportedSnapins.Remove(snapIn.Name);
}
catch (PSArgumentException ae)
{
exception = ae;
}
if (exception != null)
{
WriteNonTerminatingError(psSnapIn, "RemovePSSnapIn", exception, ErrorCategory.InvalidArgument);
}
}
else
{
try
{
PSSnapInException warning = null;
PSSnapInInfo psSnapInInfo = this.Runspace.RemovePSSnapIn(snapIn.Name, out warning);
if (warning != null)
{
WriteNonTerminatingError(snapIn.Name, "RemovePSSnapInRead", warning, ErrorCategory.InvalidData);
}
if (_passThru)
{
// Load the pssnapin info properties that are localizable and redirected in the registry
psSnapInInfo.LoadIndirectResources(ResourceReader);
WriteObject(psSnapInInfo);
}
}
catch (PSArgumentException ae)
{
exception = ae;
}
if (exception != null)
{
WriteNonTerminatingError(psSnapIn, "RemovePSSnapIn", exception, ErrorCategory.InvalidArgument);
}
}
} // ShouldContinue
}
}
}
/// <summary>
/// Routine to get the list of loaded snapins...
/// </summary>
/// <returns></returns>
protected internal Collection <PSSnapInInfo> GetSnapIns(string pattern)
{
// If RunspaceConfiguration is not null, then return the list that it has
if (Runspace != null)
{
if (pattern != null)
{
return(Runspace.ConsoleInfo.GetPSSnapIn(pattern, _shouldGetAll));
}
else
{
return(Runspace.ConsoleInfo.PSSnapIns);
}
}
WildcardPattern matcher = null;
if (!String.IsNullOrEmpty(pattern))
{
bool doWildCardSearch = WildcardPattern.ContainsWildcardCharacters(pattern);
if (!doWildCardSearch)
{
// Verify PSSnapInID..
// This will throw if it not a valid name
PSSnapInInfo.VerifyPSSnapInFormatThrowIfError(pattern);
}
matcher = WildcardPattern.Get(pattern, WildcardOptions.IgnoreCase);
}
Collection <PSSnapInInfo> snapins = new Collection <PSSnapInInfo>();
if (_shouldGetAll)
{
foreach (PSSnapInInfo snapinKey in PSSnapInReader.ReadAll())
{
if (matcher == null || matcher.IsMatch(snapinKey.Name))
{
snapins.Add(snapinKey);
}
}
}
else
{
// Otherwise, just scan through the list of cmdlets and rebuild the table.
List <CmdletInfo> cmdlets = InvokeCommand.GetCmdlets();
Dictionary <PSSnapInInfo, bool> snapinTable = new Dictionary <PSSnapInInfo, bool>();
foreach (CmdletInfo cmdlet in cmdlets)
{
PSSnapInInfo snapin = cmdlet.PSSnapIn;
if (snapin != null && !snapinTable.ContainsKey(snapin))
{
snapinTable.Add(snapin, true);
}
}
foreach (PSSnapInInfo snapinKey in snapinTable.Keys)
{
if (matcher == null || matcher.IsMatch(snapinKey.Name))
{
snapins.Add(snapinKey);
}
}
}
return(snapins);
}
internal PSSnapInNameVersionPair(string PSSnapinName)
{
PSSnapInInfo.VerifyPSSnapInFormatThrowIfError(PSSnapinName);
this._PSSnapinName = PSSnapinName;
this._version = (Version)null;
}
