public VirtualDiskPSDriveInfo(PSDriveInfo toCopy, string root, VirtualDisk disk)
: base(toCopy.Name, toCopy.Provider, root, toCopy.Description, toCopy.Credential)
{
_disk = disk;
_volMgr = new VolumeManager(_disk);
_fsCache = new Dictionary<string, DiscFileSystem>();
}
protected override PSDriveInfo NewDrive(PSDriveInfo drive)
{
if (drive == null)
{
WriteError(new ErrorRecord(
new ArgumentNullException("drive"),
"NullDrive",
ErrorCategory.InvalidArgument,
null));
return null;
}
SFGAO attributes;
SFGAO isContainerQuery = SFGAO.Browsable | SFGAO.Folder;
IdList pidl = GetPidlFromPath(drive.Root, isContainerQuery, out attributes);
if ((attributes & isContainerQuery) == SFGAO.None)
{
WriteError(new ErrorRecord(
new ArgumentException("drive.Root"),
"NotAContainer",
ErrorCategory.InvalidArgument,
null));
return null;
}
return new ShellPSDriveInfo((ShellFolder)ShellItem.GetShellItem(pidl, new ShellItem.ShellItemKnownInfo()
{
LoadedAttributes = isContainerQuery,
Attributes = attributes
}), drive);
}
internal ProviderInfo(SessionState sessionState, Type implementingType, string name, string description, string home, string helpFile, PSSnapInInfo psSnapIn)
{
this.helpFile = "";
if (sessionState == null)
{
throw PSTraceSource.NewArgumentNullException("sessionState");
}
if (implementingType == null)
{
throw PSTraceSource.NewArgumentNullException("implementingType");
}
if (string.IsNullOrEmpty(name))
{
throw PSTraceSource.NewArgumentException("name");
}
if (string.IsNullOrEmpty(name))
{
throw PSTraceSource.NewArgumentException("name");
}
this.sessionState = sessionState;
this.name = name;
this.description = description;
this.home = home;
this.implementingType = implementingType;
this.helpFile = helpFile;
this.pssnapin = psSnapIn;
this.hiddenDrive = new PSDriveInfo(this.FullName, this, "", "", null);
this.hiddenDrive.Hidden = true;
}
protected override Collection<PSDriveInfo> InitializeDefaultDrives()
{
PSDriveInfo item = new PSDriveInfo("Env", ProviderInfo, string.Empty, string.Empty, null);
Collection<PSDriveInfo> collection = new Collection<PSDriveInfo>();
collection.Add(item);
return collection;
}
/// <summary>
/// Initializes the specified VFS drive.
/// </summary>
/// <param name="drive">The drive to initialize.</param>
/// <returns>The <see cref="VfsDriveInfo"/> object which represents the initialized drive.</returns>
protected override VfsDriveInfo InitializeNewDrive(PSDriveInfo drive)
{
if (drive is OrchardDriveInfo)
{
return (VfsDriveInfo)drive;
}
var driveParameters = (OrchardDriveParameters)DynamicParameters;
if (driveParameters == null)
{
return null;
}
if (!OrchardPsSnapIn.VerifyOrchardDirectory(driveParameters.OrchardRoot))
{
this.WriteError(
ThrowHelper.InvalidRootPathException(driveParameters.OrchardRoot),
ErrorIds.InvalidRootDirectory,
ErrorCategory.InvalidArgument,
drive);
return null;
}
VfsDriveInfo orchardDrive = null;
this.TryCritical(
() => orchardDrive = this.InitializeOrchardDrive(drive, driveParameters),
ErrorIds.OrchardInitFailed,
ErrorCategory.OpenError);
return orchardDrive;
}
// NewDrive
/// <summary>
/// Removes a drive from the provider.
/// </summary>
/// <param name = "drive">The drive to remove.</param>
/// <returns>The drive removed.</returns>
protected override PSDriveInfo RemoveDrive(PSDriveInfo drive)
{
// check if drive object is null
if (drive == null)
{
WriteError(new ErrorRecord(
new ArgumentNullException("drive"),
"NullDrive",
ErrorCategory.InvalidArgument,
drive)
);
return null;
}
// dispose database on drive
var ravenDBPSDriveInfo = drive as RavenDBPSDriveInfo;
if (ravenDBPSDriveInfo == null)
{
return null;
}
ravenDBPSDriveInfo.Database.Dispose();
return ravenDBPSDriveInfo;
}
protected virtual PSDriveInfo RemoveDrive(PSDriveInfo drive)
{
using (PSTransactionManager.GetEngineProtectionScope())
{
return drive;
}
}
internal UpdatableHelpSystemDrive(PSCmdlet cmdlet, string path, PSCredential credential)
{
for (int i = 0; i < 6; i++)
{
this._driveName = Path.GetFileNameWithoutExtension(Path.GetRandomFileName());
this._cmdlet = cmdlet;
if (path.EndsWith(@"\", StringComparison.OrdinalIgnoreCase) || path.EndsWith("/", StringComparison.OrdinalIgnoreCase))
{
path = path.Remove(path.Length - 1);
}
PSDriveInfo atScope = cmdlet.SessionState.Drive.GetAtScope(this._driveName, "local");
if (atScope != null)
{
if (atScope.Root.Equals(path))
{
return;
}
if (i < 5)
{
continue;
}
cmdlet.SessionState.Drive.Remove(this._driveName, true, "local");
}
atScope = new PSDriveInfo(this._driveName, cmdlet.SessionState.Internal.GetSingleProvider("FileSystem"), path, string.Empty, credential);
cmdlet.SessionState.Drive.New(atScope, "local");
return;
}
}
public DriveInfo(PSDriveInfo driveInfo, NewDriveParameters parameters)
: base(driveInfo)
{
if (parameters != null)
Directory = parameters.Directory;
EnsureDescription();
}
internal PathInfo(PSDriveInfo drive, ProviderInfo provider, Path path, SessionState sessionState)
{
Drive = drive;
Provider = provider;
_path = path;
_sessionState = sessionState;
}
protected override void ProcessRecord()
{
var provider = SessionState.Provider.GetOne(PSProvider);
var driveInfo = new PSDriveInfo(Name, provider, Root, Description, Credential);
var realDrive = SessionState.Drive.New(driveInfo, Scope ?? "local", ProviderRuntime);
WriteObject(realDrive);
}
internal CmdletProviderContext(CmdletProviderContext contextToCopyFrom)
{
this.credentials = PSCredential.Empty;
this._origin = CommandOrigin.Internal;
this.accumulatedObjects = new Collection<PSObject>();
this.accumulatedErrorObjects = new Collection<ErrorRecord>();
this.stopReferrals = new Collection<CmdletProviderContext>();
if (contextToCopyFrom == null)
{
throw PSTraceSource.NewArgumentNullException("contextToCopyFrom");
}
this.executionContext = contextToCopyFrom.ExecutionContext;
this.command = contextToCopyFrom.command;
if (contextToCopyFrom.Credential != null)
{
this.credentials = contextToCopyFrom.Credential;
}
this.drive = contextToCopyFrom.Drive;
this.force = (bool) contextToCopyFrom.Force;
this.CopyFilters(contextToCopyFrom);
this.suppressWildcardExpansion = contextToCopyFrom.SuppressWildcardExpansion;
this.dynamicParameters = contextToCopyFrom.DynamicParameters;
this._origin = contextToCopyFrom._origin;
this.stopping = contextToCopyFrom.Stopping;
contextToCopyFrom.StopReferrals.Add(this);
this.copiedContext = contextToCopyFrom;
}
public int CompareTo(PSDriveInfo drive)
{
if (drive == null)
{
throw PSTraceSource.NewArgumentNullException("drive");
}
return string.Compare(this.Name, drive.Name, true, CultureInfo.CurrentCulture);
}
protected override Collection<PSDriveInfo> InitializeDefaultDrives()
{
PSDriveInfo drive = new PSDriveInfo("Objects", this.ProviderInfo, @"\", "Object Manager Root Directory", null);
PSDriveInfo session = new PSDriveInfo("SessionObjects", this.ProviderInfo,
String.Format(@"\Sessions\{0}\BaseNamedObjects", Process.GetCurrentProcess().SessionId), "Current Session Objects", null);
Collection<PSDriveInfo> drives = new Collection<PSDriveInfo>() { drive, session };
return drives;
}
internal PSDriveInfo NewDrive(PSDriveInfo drive, CmdletProviderContext context)
{
base.Context = context;
if (((drive.Credential != null) && (drive.Credential != PSCredential.Empty)) && !CmdletProviderManagementIntrinsics.CheckProviderCapabilities(ProviderCapabilities.Credentials, base.ProviderInfo))
{
throw PSTraceSource.NewNotSupportedException("SessionStateStrings", "NewDriveCredentials_NotSupported", new object[0]);
}
return this.NewDrive(drive);
}
public static string MakePath(string path, PSDriveInfo drive)
{
string format = "{0}:" + '\\' + "{1}";
if (path.StartsWith("\\"))
{
format = "{0}:{1}";
}
return string.Format(format, new object[] { drive.Name, path });
}
protected override PSDriveInfo NewDrive(PSDriveInfo drive)
{
if( drive is DTEDrive )
{
return drive;
}
return new DTEDrive( drive, DTE2 );
}
protected override PSDriveInfo NewDrive(PSDriveInfo drive)
{
var sqlServerPsDriveInfo = new SqlServerPsDriveInfo(drive);
if (!sqlServerPsDriveInfo.ItemExists(drive.Root))
{
ThrowTerminatingError(new ErrorRecord(null, "BadServer", ErrorCategory.InvalidArgument, drive.Root));
}
return sqlServerPsDriveInfo;
}
protected PSDriveInfo(PSDriveInfo driveInfo)
{
Name = driveInfo.Name;
Provider = driveInfo.Provider;
Root = driveInfo.Root;
Description = driveInfo.Description;
Credential = driveInfo.Credential;
CurrentLocation = driveInfo.CurrentLocation;
}
public Context(CmdletProvider provider, string path, PSDriveInfo drive, IPathNodeProcessor pathProcessor, object dynamicParameters, Version topology, bool recurse)
{
_pathProcessor = pathProcessor;
DynamicParameters = dynamicParameters;
_provider = provider;
_path = path;
_drive = drive;
_recurse = recurse;
PathTopologyVersion = topology;
}
public ProviderContext(CmdletProvider provider, string path, PSDriveInfo drive, IPathResolver pathProcessor, object dynamicParameters, Version topology, bool recurse)
{
this.pathProcessor = pathProcessor;
DynamicParameters = dynamicParameters;
this.provider = provider;
this.path = path;
this.drive = drive;
this.recurse = recurse;
PathTopologyVersion = topology;
}
public SQLiteDrive(PSDriveInfo driveInfo, string connectionString, SQLiteProvider.DriveParams driveParams) : base(driveInfo)
{
_driveParams = driveParams ?? new SQLiteProvider.DriveParams();
_driveParams.ConnectionString = Regex.Replace(connectionString, @"^\[(.+)\].*", "$1" );
if( _driveParams.ConnectionString.ToLowerInvariant().Contains( InMemoryConnectionString ) )
{
_driveParams.PersistentConnection = new SwitchParameter( true );
}
}
protected override PSDriveInfo NewDrive(PSDriveInfo drive)
{
if (drive is GenericEntityContextDrive)
{
return drive;
}
var p = this.DynamicParameters as GenericEntityContextDrive.NewParams;
return new GenericEntityContextDrive( p.ContextType, drive );
}
protected override PSDriveInfo NewDrive(PSDriveInfo drive)
{
var bipsDrive = drive as BipsDrive;
if (null != bipsDrive)
{
return bipsDrive;
}
return new BipsDrive( drive );
}
protected override PSDriveInfo RemoveDrive(PSDriveInfo drive)
{
var testdrive = drive as TestDrive;
if (testdrive == null)
{
throw new InvalidOperationException("Drive is not a TestDrive!");
}
testdrive.IsRemoved = true;
return testdrive;
}
protected override PSDriveInfo NewDrive(PSDriveInfo drive)
{
if (drive is HuddleDocumentLibraryInfo)
{
return drive;
}
var libraryParams = this.DynamicParameters as DocumentLibraryParameters;
return new HuddleDocumentLibraryInfo(driveInfo: drive, driveParams: libraryParams);
}
protected override PSDriveInfo RemoveDrive(PSDriveInfo drive)
{
var ds = drive as DataSourceDrive;
if( null != ds)
{
var sources = ds.DataSources.ToList();
sources.ForEach(d=>d.Dispose());
sources.ForEach( ds.Remove );
}
return base.RemoveDrive(drive);
}
protected override PSDriveInfo NewDrive(PSDriveInfo drive)
{
var uri = new Uri(drive.Root);
/* drive.Root.Replace('/', '\\') */
var newDrive = new PSDriveInfo(
drive.Name,
drive.Provider,
uri.Host,
drive.Description,
drive.Credential);
return new ODataDrive(uri, newDrive );
}
protected override System.Collections.ObjectModel.Collection<System.Management.Automation.PSDriveInfo> InitializeDefaultDrives()
{
var driveInfo = new PSDriveInfo(
"Triggers",
ProviderInfo,
"",
"Data Source Triggers",
null
);
var drive = new TriggerDrive(driveInfo);
return new Collection<PSDriveInfo> { drive };
}
internal Drive CreateCloudDrive(PSDriveInfo driveInfo, CloudDriveParameters parameters)
{
var rootName = CreateRootName(driveInfo);
var asyncGateway = default(IAsyncCloudGateway);
if (GatewayManager.TryGetAsyncCloudGatewayForSchema(rootName.Schema, out asyncGateway))
return new AsyncCloudDrive(CreateDriveInfo(driveInfo), rootName, asyncGateway, parameters);
var gateway = default(ICloudGateway);
if (GatewayManager.TryGetCloudGatewayForSchema(rootName.Schema, out gateway))
return new CloudDrive(CreateDriveInfo(driveInfo), rootName, gateway, parameters);
throw new KeyNotFoundException(string.Format(CultureInfo.CurrentCulture, Resources.NoGatewayForSchema, rootName.Schema));
}
/// <summary>
/// Compares this instance to the specified object. The object must be a PSDriveInfo.
/// </summary>
/// <param name="obj">
/// An object to compare.
/// </param>
/// <returns>
/// A signed number indicating the relative values of this
/// instance and object specified.
/// </returns>
/// <exception cref="ArgumentException">
/// If <paramref name="obj"/> is not a PSDriveInfo instance.
/// </exception>
public int CompareTo(object obj)
{
PSDriveInfo drive = obj as PSDriveInfo;
if (drive == null)
{
ArgumentException e =
PSTraceSource.NewArgumentException(
nameof(obj),
SessionStateStrings.OnlyAbleToComparePSDriveInfo);
throw e;
}
return(CompareTo(drive));
}
internal CmdletProviderContext(PSCmdlet command, PSCredential credentials, PSDriveInfo drive)
{
this.command = command != null ? (Cmdlet)command : throw CmdletProviderContext.tracer.NewArgumentNullException(nameof(command));
this._origin = command.CommandOrigin;
if (credentials != null)
{
this.credentials = credentials;
}
this.drive = drive;
if (command.Host == null)
{
throw CmdletProviderContext.tracer.NewArgumentException("command.Host");
}
this.executionContext = command.Context != null ? command.Context : throw CmdletProviderContext.tracer.NewArgumentException("command.Context");
this.streamObjects = true;
this.streamErrors = true;
}
protected ProviderInfo(ProviderInfo providerInfo)
{
this.helpFile = "";
if (providerInfo == null)
{
throw PSTraceSource.NewArgumentNullException("providerInfo");
}
this.name = providerInfo.Name;
this.implementingType = providerInfo.ImplementingType;
this.capabilities = providerInfo.capabilities;
this.description = providerInfo.description;
this.hiddenDrive = providerInfo.hiddenDrive;
this.home = providerInfo.home;
this.helpFile = providerInfo.helpFile;
this.pssnapin = providerInfo.pssnapin;
this.sessionState = providerInfo.sessionState;
}
/// <summary>
/// Constructs an instance of the class using an existing reference
/// as a template.
/// </summary>
/// <param name="providerInfo">
/// The provider information to copy to this instance.
/// </param>
/// <remarks>
/// This constructor should be used by derived types to easily copying
/// the base class members from an existing ProviderInfo.
/// This is designed for use by a <see cref="System.Management.Automation.Provider.CmdletProvider"/>
/// during calls to their <see cref="System.Management.Automation.Provider.CmdletProvider.Start(ProviderInfo)"/> method.
/// </remarks>
/// <exception cref="ArgumentNullException">
/// If <paramref name="providerInfo"/> is null.
/// </exception>
protected ProviderInfo(ProviderInfo providerInfo)
{
if (providerInfo == null)
{
throw PSTraceSource.NewArgumentNullException("providerInfo");
}
Name = providerInfo.Name;
ImplementingType = providerInfo.ImplementingType;
_capabilities = providerInfo._capabilities;
Description = providerInfo.Description;
_hiddenDrive = providerInfo._hiddenDrive;
Home = providerInfo.Home;
HelpFile = providerInfo.HelpFile;
PSSnapIn = providerInfo.PSSnapIn;
_sessionState = providerInfo._sessionState;
VolumeSeparatedByColon = providerInfo.VolumeSeparatedByColon;
}
internal CmdletProviderContext(CmdletProviderContext contextToCopyFrom)
{
this.executionContext = contextToCopyFrom != null ? contextToCopyFrom.ExecutionContext : throw CmdletProviderContext.tracer.NewArgumentNullException(nameof(contextToCopyFrom));
this.command = contextToCopyFrom.command;
if (contextToCopyFrom.Credential != null)
{
this.credentials = contextToCopyFrom.Credential;
}
this.drive = contextToCopyFrom.Drive;
this.force = (bool)contextToCopyFrom.Force;
this.CopyFilters(contextToCopyFrom);
this.suppressWildcardExpansion = contextToCopyFrom.SuppressWildcardExpansion;
this.dynamicParameters = contextToCopyFrom.DynamicParameters;
this._origin = contextToCopyFrom._origin;
this.stopping = contextToCopyFrom.Stopping;
contextToCopyFrom.StopReferrals.Add(this);
this.copiedContext = contextToCopyFrom;
}
internal PathInfo(PSDriveInfo drive, ProviderInfo provider, string path, SessionState sessionState)
{
if (provider == null)
{
throw PSTraceSource.NewArgumentNullException("provider");
}
if (path == null)
{
throw PSTraceSource.NewArgumentNullException("path");
}
if (sessionState == null)
{
throw PSTraceSource.NewArgumentNullException("sessionState");
}
this.drive = drive;
this.provider = provider;
this.path = path;
this.sessionState = sessionState;
}
internal CmdletProviderContext(System.Management.Automation.ExecutionContext executionContext)
{
this.credentials = PSCredential.Empty;
this._origin = CommandOrigin.Internal;
this.accumulatedObjects = new Collection <PSObject>();
this.accumulatedErrorObjects = new Collection <ErrorRecord>();
this.stopReferrals = new Collection <CmdletProviderContext>();
if (executionContext == null)
{
throw PSTraceSource.NewArgumentNullException("executionContext");
}
this.executionContext = executionContext;
this._origin = CommandOrigin.Internal;
this.drive = executionContext.EngineSessionState.CurrentDrive;
if ((executionContext.CurrentCommandProcessor != null) && (executionContext.CurrentCommandProcessor.Command is Cmdlet))
{
this.command = (Cmdlet)executionContext.CurrentCommandProcessor.Command;
}
}
protected PSDriveInfo(PSDriveInfo driveInfo)
{
this.credentials = PSCredential.Empty;
if (driveInfo == null)
{
throw PSTraceSource.NewArgumentNullException("driveInfo");
}
this.name = driveInfo.Name;
this.provider = driveInfo.Provider;
this.credentials = driveInfo.Credential;
this.currentWorkingDirectory = driveInfo.CurrentLocation;
this.description = driveInfo.Description;
this.driveBeingCreated = driveInfo.driveBeingCreated;
this.hidden = driveInfo.hidden;
this.isAutoMounted = driveInfo.isAutoMounted;
this.root = driveInfo.root;
this.persist = driveInfo.Persist;
this.Trace();
}
/// <summary>
/// Constructs a new instance of the PSDriveInfo using another PSDriveInfo
/// as a template.
/// </summary>
/// <param name="driveInfo">
/// An existing PSDriveInfo object that should be copied to this instance.
/// </param>
/// <remarks>
/// A protected constructor that derived classes can call with an instance
/// of this class. This allows for easy creation of derived PSDriveInfo objects
/// which can be created in CmdletProvider's NewDrive method using the PSDriveInfo
/// that is passed in.
/// </remarks>
/// <exception cref="ArgumentNullException">
/// If <paramref name="PSDriveInfo"/> is null.
/// </exception>
protected PSDriveInfo(PSDriveInfo driveInfo)
{
if (driveInfo == null)
{
throw PSTraceSource.NewArgumentNullException(nameof(driveInfo));
}
_name = driveInfo.Name;
_provider = driveInfo.Provider;
Credential = driveInfo.Credential;
_currentWorkingDirectory = driveInfo.CurrentLocation;
Description = driveInfo.Description;
this.MaximumSize = driveInfo.MaximumSize;
DriveBeingCreated = driveInfo.DriveBeingCreated;
_hidden = driveInfo._hidden;
IsAutoMounted = driveInfo.IsAutoMounted;
_root = driveInfo._root;
Persist = driveInfo.Persist;
this.Trace();
}
public static bool FinDriveFromPath(string path, ProviderInfo provider, out PSDriveInfo foundDrive)
{
PSDriveInfo info = null;
bool found = false;
foreach (var drive in provider.Drives.OrderByDescending(x => x.Name.Length))
{
if (path.StartsWith(drive.Name, StringComparison.OrdinalIgnoreCase))
{
info = drive;
found = true;
break;
}
}
if (info == null)
{
info = provider.HiddenDrive;
}
foundDrive = info;
return(found);
}
internal static string ResolveFilePath(string filePath, PSCmdlet command)
{
string str;
try
{
ProviderInfo provider = (ProviderInfo)null;
Collection <string> providerPathFromPsPath = command.SessionState.Path.GetResolvedProviderPathFromPSPath(filePath, out provider);
if (!provider.NameEquals(command.Context.ProviderNames.FileSystem))
{
PathUtils.ReportWrongProviderType((Cmdlet)command, provider.FullName);
}
if (providerPathFromPsPath.Count > 1)
{
PathUtils.ReportMultipleFilesNotSupported((Cmdlet)command);
}
if (providerPathFromPsPath.Count == 0)
{
PathUtils.ReportWildcardingFailure((Cmdlet)command, filePath);
}
str = providerPathFromPsPath[0];
}
catch (ItemNotFoundException ex)
{
str = (string)null;
}
if (string.IsNullOrEmpty(str))
{
CmdletProviderContext context = new CmdletProviderContext((Cmdlet)command);
ProviderInfo provider = (ProviderInfo)null;
PSDriveInfo drive = (PSDriveInfo)null;
str = command.SessionState.Path.GetUnresolvedProviderPathFromPSPath(filePath, context, out provider, out drive);
context.ThrowFirstErrorOrDoNothing();
if (!provider.NameEquals(command.Context.ProviderNames.FileSystem))
{
PathUtils.ReportWrongProviderType((Cmdlet)command, provider.FullName);
}
}
return(str);
}
/// <summary>
/// The constructor of the PathInfo object.
/// </summary>
/// <param name="drive">
/// The drive that contains the path
/// </param>
/// <param name="provider">
/// The provider that contains the path.
/// </param>
/// <param name="path">
/// The path this object represents.
/// </param>
/// <param name="sessionState">
/// The session state associated with the drive, provider, and path information.
/// </param>
/// <exception cref="ArgumentNullException">
/// If <paramref name="drive"/>, <paramref name="provider"/>,
/// <paramref name="path"/>, or <paramref name="sessionState"/> is null.
/// </exception>
internal PathInfo(PSDriveInfo drive, ProviderInfo provider, string path, SessionState sessionState)
{
if (provider == null)
{
throw PSTraceSource.NewArgumentNullException(nameof(provider));
}
if (path == null)
{
throw PSTraceSource.NewArgumentNullException(nameof(path));
}
if (sessionState == null)
{
throw PSTraceSource.NewArgumentNullException(nameof(sessionState));
}
_drive = drive;
_provider = provider;
_path = path;
_sessionState = sessionState;
}
internal PSDriveInfo GetDrive(string name)
{
if (name == null)
{
throw PSTraceSource.NewArgumentNullException("name");
}
PSDriveInfo info = null;
if (OSHelper.IsUnix && name == "Microsoft.PowerShell.Core\\FileSystem")
{
name = "/";
}
if (this.GetDrives().ContainsKey(name))
{
return(this.GetDrives()[name]);
}
if (this.GetAutomountedDrives().ContainsKey(name))
{
info = this.GetAutomountedDrives()[name];
}
return(info);
}
internal void RemoveDrive(PSDriveInfo drive)
{
if (drive == null)
{
throw PSTraceSource.NewArgumentNullException("drive");
}
if (this._drives != null)
{
if (this.GetDrives().ContainsKey(drive.Name))
{
this.GetDrives().Remove(drive.Name);
}
else if (this.GetAutomountedDrives().ContainsKey(drive.Name))
{
this.GetAutomountedDrives()[drive.Name].IsAutoMountedManuallyRemoved = true;
if (drive.IsNetworkDrive)
{
this.GetAutomountedDrives().Remove(drive.Name);
}
}
}
}
/// <summary>
/// Constructs the context under which the core command providers
/// operate.
/// </summary>
/// <param name="command">
/// The command object that is running.
/// </param>
/// <param name="credentials">
/// The credentials the core command provider should use.
/// </param>
/// <param name="drive">
/// The drive under which this context should operate.
/// </param>
/// <exception cref="ArgumentNullException">
/// If <paramref name="command"/> is null.
/// </exception>
/// <exception cref="ArgumentException">
/// If <paramref name="command"/> contains a null Host or Context reference.
/// </exception>
internal CmdletProviderContext(
PSCmdlet command,
PSCredential credentials,
PSDriveInfo drive)
{
// verify the command parameter
if (command == null)
{
throw PSTraceSource.NewArgumentNullException(nameof(command));
}
_command = command;
Origin = command.CommandOrigin;
if (credentials != null)
{
_credentials = credentials;
}
Drive = drive;
if (command.Host == null)
{
throw PSTraceSource.NewArgumentException("command.Host");
}
if (command.Context == null)
{
throw PSTraceSource.NewArgumentException("command.Context");
}
ExecutionContext = command.Context;
// Stream will default to true because command methods will be used.
PassThru = true;
_streamErrors = true;
}
public int CompareTo(PSDriveInfo drive)
{
return(string.Compare(Name, drive.Name, true, CultureInfo.CurrentUICulture));
}
public bool Equals(PSDriveInfo drive)
{
return(CompareTo(drive) == 0);
}
/// <summary>
/// Get provider specific help info.
/// </summary>
internal MamlCommandHelpInfo GetProviderSpecificHelpInfo(string helpItemName)
{
if (InternalTestHooks.BypassOnlineHelpRetrieval)
{
// By returning null, we force get-help to return generic help
// which includes a helpUri that points to the fwlink defined in the cmdlet code.
return(null);
}
// Get the provider.
ProviderInfo providerInfo = null;
PSDriveInfo driveInfo = null;
string resolvedProviderPath = null;
CmdletProviderContext cmdletProviderContext = new CmdletProviderContext(_executionContext);
try
{
string psPath = _requestedPath;
if (string.IsNullOrEmpty(_requestedPath))
{
psPath = _pathIntrinsics.CurrentLocation.Path;
}
resolvedProviderPath = _executionContext.LocationGlobber.GetProviderPath(
psPath,
cmdletProviderContext,
out providerInfo,
out driveInfo);
}
// ignore exceptions caused by provider resolution
catch (ArgumentNullException)
{
}
catch (ProviderNotFoundException)
{
}
catch (DriveNotFoundException)
{
}
catch (ProviderInvocationException)
{
}
catch (NotSupportedException)
{
}
catch (InvalidOperationException)
{
}
catch (ItemNotFoundException)
{
}
if (providerInfo == null)
{
return(null);
}
// Does the provider know how to generate MAML.
CmdletProvider cmdletProvider = providerInfo.CreateInstance();
ICmdletProviderSupportsHelp provider = cmdletProvider as ICmdletProviderSupportsHelp;
// Under JEA sessions the resolvedProviderPath will be null, we should allow get-help to continue.
if (provider == null)
{
return(null);
}
bool isJEASession = false;
if (this._executionContext.InitialSessionState != null && this._executionContext.InitialSessionState.Providers != null && providerInfo != null)
{
foreach (
Runspaces.SessionStateProviderEntry sessionStateProvider in
this._executionContext.InitialSessionState.Providers[providerInfo.Name])
{
if (sessionStateProvider.Visibility == SessionStateEntryVisibility.Private)
{
isJEASession = true;
break;
}
}
}
if (resolvedProviderPath == null)
{
if (isJEASession)
{
return(null);
}
else
{
throw new ItemNotFoundException(_requestedPath, "PathNotFound", SessionStateStrings.PathNotFound);
}
}
// ok we have path and valid provider that supplys content..initialize the provider
// and get the help content for the path.
cmdletProvider.Start(providerInfo, cmdletProviderContext);
// There should be exactly one resolved path.
string providerPath = resolvedProviderPath;
// Get the MAML help info. Don't catch exceptions thrown by provider.
string mamlXmlString = provider.GetHelpMaml(helpItemName, providerPath);
if (string.IsNullOrEmpty(mamlXmlString))
{
return(null);
}
// process the MAML content only if it is non-empty.
XmlDocument mamlDoc = InternalDeserializer.LoadUnsafeXmlDocument(
mamlXmlString,
false, /* ignore whitespace, comments, etc. */
null); /* default maxCharactersInDocument */
MamlCommandHelpInfo providerSpecificHelpInfo = MamlCommandHelpInfo.Load(mamlDoc.DocumentElement, HelpCategory.Provider);
return(providerSpecificHelpInfo);
}
internal MamlCommandHelpInfo GetProviderSpecificHelpInfo(string helpItemName)
{
ProviderInfo info = null;
PSDriveInfo drive = null;
string str = null;
CmdletProviderContext context = new CmdletProviderContext(this._executionContext);
try
{
string str2 = this._requestedPath;
if (string.IsNullOrEmpty(this._requestedPath))
{
str2 = this._pathIntrinsics.CurrentLocation.Path;
}
str = this._executionContext.LocationGlobber.GetProviderPath(str2, context, out info, out drive);
}
catch (ArgumentNullException)
{
}
catch (ProviderNotFoundException)
{
}
catch (DriveNotFoundException)
{
}
catch (ProviderInvocationException)
{
}
catch (NotSupportedException)
{
}
catch (InvalidOperationException)
{
}
catch (ItemNotFoundException)
{
}
if (info == null)
{
return(null);
}
CmdletProvider provider = info.CreateInstance();
ICmdletProviderSupportsHelp help = provider as ICmdletProviderSupportsHelp;
if (help == null)
{
return(null);
}
if (str == null)
{
throw new ItemNotFoundException(this._requestedPath, "PathNotFound", SessionStateStrings.PathNotFound);
}
provider.Start(info, context);
string path = str;
string helpMaml = help.GetHelpMaml(helpItemName, path);
if (string.IsNullOrEmpty(helpMaml))
{
return(null);
}
return(MamlCommandHelpInfo.Load(InternalDeserializer.LoadUnsafeXmlDocument(helpMaml, false, null).DocumentElement, HelpCategory.Provider));
}
/// <summary>
/// Changes the current working directory to the path specified.
/// </summary>
/// <param name="path">
/// The path of the new current working directory.
/// </param>
/// <param name="context">
/// The context the provider uses when performing the operation.
/// </param>
/// <param name="literalPath">
/// Indicate if the path is a literal path.
/// </param>
/// <returns>
/// The PathInfo object representing the path of the location
/// that was set.
/// </returns>
/// <exception cref="ArgumentNullException">
/// If <paramref name="path"/> is null.
/// </exception>
/// <exception cref="ArgumentException">
/// If <paramref name="path"/> does not exist, is not a container, or
/// resolved to multiple containers.
/// </exception>
/// <exception cref="ProviderNotFoundException">
/// If <paramref name="path"/> refers to a provider that does not exist.
/// </exception>
/// <exception cref="DriveNotFoundException">
/// If <paramref name="path"/> refers to a drive that does not exist.
/// </exception>
/// <exception cref="ProviderInvocationException">
/// If the provider associated with <paramref name="path"/> threw an
/// exception.
/// </exception>
/// <exception cref="ItemNotFoundException">
/// If the <paramref name="path"/> could not be resolved.
/// </exception>
internal PathInfo SetLocation(string path, CmdletProviderContext context, bool literalPath)
{
if (path == null)
{
throw PSTraceSource.NewArgumentNullException("path");
}
PathInfo current = CurrentLocation;
string originalPath = path;
string driveName = null;
ProviderInfo provider = null;
string providerId = null;
switch (originalPath)
{
case string originalPathSwitch when !literalPath && originalPathSwitch.Equals("-", StringComparison.Ordinal):
if (_setLocationHistory.UndoCount <= 0)
{
throw new InvalidOperationException(SessionStateStrings.LocationUndoStackIsEmpty);
}
path = _setLocationHistory.Undo(this.CurrentLocation).Path;
break;
case string originalPathSwitch when !literalPath && originalPathSwitch.Equals("+", StringComparison.Ordinal):
if (_setLocationHistory.RedoCount <= 0)
{
throw new InvalidOperationException(SessionStateStrings.LocationRedoStackIsEmpty);
}
path = _setLocationHistory.Redo(this.CurrentLocation).Path;
break;
default:
var pushPathInfo = GetNewPushPathInfo();
_setLocationHistory.Push(pushPathInfo);
break;
}
PSDriveInfo previousWorkingDrive = CurrentDrive;
// First check to see if the path is a home path
if (LocationGlobber.IsHomePath(path))
{
path = Globber.GetHomeRelativePath(path);
}
if (LocationGlobber.IsProviderDirectPath(path))
{
// The path is a provider-direct path so use the current
// provider and its hidden drive but don't modify the path
// at all.
provider = CurrentLocation.Provider;
CurrentDrive = provider.HiddenDrive;
}
else if (LocationGlobber.IsProviderQualifiedPath(path, out providerId))
{
provider = GetSingleProvider(providerId);
CurrentDrive = provider.HiddenDrive;
}
else
{
// See if the path is a relative or absolute
// path.
if (Globber.IsAbsolutePath(path, out driveName))
{
// Since the path is an absolute path
// we need to change the current working
// drive
PSDriveInfo newWorkingDrive = GetDrive(driveName);
CurrentDrive = newWorkingDrive;
// If the path is simply a colon-terminated drive,
// not a slash-terminated path to the root of a drive,
// set the path to the current working directory of that drive.
string colonTerminatedVolume = CurrentDrive.Name + ':';
if (CurrentDrive.VolumeSeparatedByColon && (path.Length == colonTerminatedVolume.Length))
{
path = Path.Combine(colonTerminatedVolume + Path.DirectorySeparatorChar, CurrentDrive.CurrentLocation);
}
// Now that the current working drive is set,
// process the rest of the path as a relative path.
}
}
if (context == null)
{
context = new CmdletProviderContext(this.ExecutionContext);
}
if (CurrentDrive != null)
{
context.Drive = CurrentDrive;
}
CmdletProvider providerInstance = null;
Collection <PathInfo> workingPath = null;
try
{
workingPath =
Globber.GetGlobbedMonadPathsFromMonadPath(
path,
false,
context,
out providerInstance);
}
catch (LoopFlowException)
{
throw;
}
catch (PipelineStoppedException)
{
throw;
}
catch (ActionPreferenceStopException)
{
throw;
}
catch (Exception)
{
// Reset the drive to the previous drive and
// then rethrow the error
CurrentDrive = previousWorkingDrive;
throw;
}
if (workingPath.Count == 0)
{
// Set the current working drive back to the previous
// one in case it was changed.
CurrentDrive = previousWorkingDrive;
throw
new ItemNotFoundException(
path,
"PathNotFound",
SessionStateStrings.PathNotFound);
}
// We allow globbing the location as long as it only resolves a single container.
bool foundContainer = false;
bool pathIsContainer = false;
bool pathIsProviderQualifiedPath = false;
bool currentPathisProviderQualifiedPath = false;
for (int index = 0; index < workingPath.Count; ++index)
{
CmdletProviderContext normalizePathContext =
new CmdletProviderContext(context);
PathInfo resolvedPath = workingPath[index];
string currentPath = path;
try
{
string providerName = null;
currentPathisProviderQualifiedPath = LocationGlobber.IsProviderQualifiedPath(resolvedPath.Path, out providerName);
if (currentPathisProviderQualifiedPath)
{
// The path should be the provider-qualified path without the provider ID
// or ::
string providerInternalPath = LocationGlobber.RemoveProviderQualifier(resolvedPath.Path);
try
{
currentPath = NormalizeRelativePath(GetSingleProvider(providerName), providerInternalPath, string.Empty, normalizePathContext);
}
catch (NotSupportedException)
{
// Since the provider does not support normalizing the path, just
// use the path we currently have.
}
catch (LoopFlowException)
{
throw;
}
catch (PipelineStoppedException)
{
throw;
}
catch (ActionPreferenceStopException)
{
throw;
}
catch (Exception)
{
// Reset the drive to the previous drive and
// then rethrow the error
CurrentDrive = previousWorkingDrive;
throw;
}
}
else
{
try
{
currentPath = NormalizeRelativePath(resolvedPath.Path, CurrentDrive.Root, normalizePathContext);
}
catch (NotSupportedException)
{
// Since the provider does not support normalizing the path, just
// use the path we currently have.
}
catch (LoopFlowException)
{
throw;
}
catch (PipelineStoppedException)
{
throw;
}
catch (ActionPreferenceStopException)
{
throw;
}
catch (Exception)
{
// Reset the drive to the previous drive and
// then rethrow the error
CurrentDrive = previousWorkingDrive;
throw;
}
}
// Now see if there was errors while normalizing the path
if (normalizePathContext.HasErrors())
{
// Set the current working drive back to the previous
// one in case it was changed.
CurrentDrive = previousWorkingDrive;
normalizePathContext.ThrowFirstErrorOrDoNothing();
}
}
finally
{
normalizePathContext.RemoveStopReferral();
}
bool isContainer = false;
CmdletProviderContext itemContainerContext =
new CmdletProviderContext(context);
itemContainerContext.SuppressWildcardExpansion = true;
try
{
isContainer =
IsItemContainer(
resolvedPath.Path,
itemContainerContext);
if (itemContainerContext.HasErrors())
{
// Set the current working drive back to the previous
// one in case it was changed.
CurrentDrive = previousWorkingDrive;
itemContainerContext.ThrowFirstErrorOrDoNothing();
}
}
catch (NotSupportedException)
{
if (currentPath.Length == 0)
{
// Treat this as a container because providers that only
// support the ContainerCmdletProvider interface are really
// containers at their root.
isContainer = true;
}
}
finally
{
itemContainerContext.RemoveStopReferral();
}
if (isContainer)
{
if (foundContainer)
{
// The path resolved to more than one container
// Set the current working drive back to the previous
// one in case it was changed.
CurrentDrive = previousWorkingDrive;
throw
PSTraceSource.NewArgumentException(
"path",
SessionStateStrings.PathResolvedToMultiple,
originalPath);
}
else
{
// Set the path to use
path = currentPath;
// Mark it as a container
pathIsContainer = true;
// Mark whether or not it was provider-qualified
pathIsProviderQualifiedPath = currentPathisProviderQualifiedPath;
// Mark that we have already found one container. Finding additional
// should be an error
foundContainer = true;
}
}
}
if (pathIsContainer)
{
// Remove the root slash since it is implied that the
// current working directory is relative to the root.
if (!LocationGlobber.IsProviderDirectPath(path) &&
path.StartsWith(StringLiterals.DefaultPathSeparator) &&
!pathIsProviderQualifiedPath)
{
path = path.Substring(1);
}
s_tracer.WriteLine(
"New working path = {0}",
path);
CurrentDrive.CurrentLocation = path;
}
else
{
// Set the current working drive back to the previous
// one in case it was changed.
CurrentDrive = previousWorkingDrive;
throw
new ItemNotFoundException(
originalPath,
"PathNotFound",
SessionStateStrings.PathNotFound);
}
// Now make sure the current drive is set in the provider's
// current working drive hashtable
ProvidersCurrentWorkingDrive[CurrentDrive.Provider] =
CurrentDrive;
// Set the $PWD variable to the new location
this.SetVariable(SpecialVariables.PWDVarPath, this.CurrentLocation, false, true, CommandOrigin.Internal);
// If an action has been defined for location changes, invoke it now.
if (PublicSessionState.InvokeCommand.LocationChangedAction != null)
{
var eventArgs = new LocationChangedEventArgs(PublicSessionState, current, CurrentLocation);
PublicSessionState.InvokeCommand.LocationChangedAction.Invoke(ExecutionContext.CurrentRunspace, eventArgs);
s_tracer.WriteLine("Invoked LocationChangedAction");
}
return(this.CurrentLocation);
}
/// <summary>
/// Determines if the specified path is the current working directory
/// or a parent of the current working directory.
/// </summary>
/// <param name="path">
/// A monad namespace absolute or relative path.
/// </param>
/// <param name="context">
/// The context the provider uses when performing the operation.
/// </param>
/// <returns>
/// true, if the path is the current working directory or a parent of the current
/// working directory. false, otherwise.
/// </returns>
/// <exception cref="ArgumentNullException">
/// If <paramref name="path"/> is null.
/// </exception>
/// <exception cref="ProviderNotFoundException">
/// If the path is a provider-qualified path for a provider that is
/// not loaded into the system.
/// </exception>
/// <exception cref="DriveNotFoundException">
/// If the <paramref name="path"/> refers to a drive that could not be found.
/// </exception>
/// <exception cref="ProviderInvocationException">
/// If the provider used to build the path threw an exception.
/// </exception>
/// <exception cref="NotSupportedException">
/// If the provider that the <paramref name="path"/> represents is not a NavigationCmdletProvider
/// or ContainerCmdletProvider.
/// </exception>
/// <exception cref="InvalidOperationException">
/// If the <paramref name="path"/> starts with "~" and the home location is not set for
/// the provider.
/// </exception>
/// <exception cref="ProviderInvocationException">
/// If the provider specified by <paramref name="providerId"/> threw an
/// exception when its GetParentPath or MakePath was called while
/// processing the <paramref name="path"/>.
/// </exception>
internal bool IsCurrentLocationOrAncestor(string path, CmdletProviderContext context)
{
bool result = false;
if (path == null)
{
throw PSTraceSource.NewArgumentNullException("path");
}
PSDriveInfo drive = null;
ProviderInfo provider = null;
string providerSpecificPath =
Globber.GetProviderPath(
path,
context,
out provider,
out drive);
if (drive != null)
{
s_tracer.WriteLine("Tracing drive");
drive.Trace();
}
Dbg.Diagnostics.Assert(
providerSpecificPath != null,
"There should always be a way to generate a provider path for a " +
"given path");
if (drive != null)
{
context.Drive = drive;
}
// Check to see if the path that was specified is within the current
// working drive
if (drive == CurrentDrive)
{
// The path needs to be normalized to get rid of relative path tokens
// so they don't interfere with our path comparisons below
CmdletProviderContext normalizePathContext
= new CmdletProviderContext(context);
try
{
providerSpecificPath = NormalizeRelativePath(path, null, normalizePathContext);
}
catch (NotSupportedException)
{
// Since the provider does not support normalizing the path, just
// use the path we currently have.
}
catch (LoopFlowException)
{
throw;
}
catch (PipelineStoppedException)
{
throw;
}
catch (ActionPreferenceStopException)
{
throw;
}
finally
{
normalizePathContext.RemoveStopReferral();
}
if (normalizePathContext.HasErrors())
{
normalizePathContext.ThrowFirstErrorOrDoNothing();
}
s_tracer.WriteLine("Provider path = {0}", providerSpecificPath);
// Get the current working directory provider specific path
PSDriveInfo currentWorkingDrive = null;
ProviderInfo currentDriveProvider = null;
string currentWorkingPath =
Globber.GetProviderPath(
".",
context,
out currentDriveProvider,
out currentWorkingDrive);
Dbg.Diagnostics.Assert(
currentWorkingDrive == CurrentDrive,
"The current working drive should be the CurrentDrive.");
s_tracer.WriteLine(
"Current working path = {0}",
currentWorkingPath);
// See if the path is the current working directory or a parent
// of the current working directory
s_tracer.WriteLine(
"Comparing {0} to {1}",
providerSpecificPath,
currentWorkingPath);
if (String.Compare(providerSpecificPath, currentWorkingPath, StringComparison.CurrentCultureIgnoreCase) == 0)
{
// The path is the current working directory so
// return true
s_tracer.WriteLine("The path is the current working directory");
result = true;
}
else
{
// Check to see if the specified path is a parent
// of the current working directory
string lockedDirectory = currentWorkingPath;
while (lockedDirectory.Length > 0)
{
// We need to allow the provider to go as far up the tree
// as it can even if that means it has to traverse higher
// than the mount point for this drive. That is
// why we are passing the empty string as the root here.
lockedDirectory =
GetParentPath(
drive.Provider,
lockedDirectory,
String.Empty,
context);
s_tracer.WriteLine(
"Comparing {0} to {1}",
lockedDirectory,
providerSpecificPath);
if (String.Compare(lockedDirectory, providerSpecificPath, StringComparison.CurrentCultureIgnoreCase) == 0)
{
// The path is a parent of the current working
// directory
s_tracer.WriteLine(
"The path is a parent of the current working directory: {0}",
lockedDirectory);
result = true;
break;
}
}
}
}
else
{
s_tracer.WriteLine("Drives are not the same");
}
return(result);
}
internal PathInfo(PSDriveInfo drive, string path, SessionState sessionState)
{
Drive = drive;
Provider = drive == null ? null : drive.Provider;
SetPathTypes(path, sessionState);
}
public string GetUnresolvedProviderPathFromPSPath(string path, out ProviderInfo provider, out PSDriveInfo drive)
{
throw new NotImplementedException();
}
} // SetLocation
/// <summary>
/// Changes the current working directory to the path specified
/// </summary>
///
/// <param name="path">
/// The path of the new current working directory
/// </param>
///
/// <param name="context">
/// The context the provider uses when performing the operation.
/// </param>
///
/// <returns>
/// The PathInfo object representing the path of the location
/// that was set.
/// </returns>
///
/// <exception cref="ArgumentNullException">
/// If <paramref name="path"/> is null.
/// </exception>
///
/// <exception cref="ArgumentException">
/// If <paramref name="path"/> does not exist, is not a container, or
/// resolved to multiple containers.
/// </exception>
///
/// <exception cref="ProviderNotFoundException">
/// If <paramref name="path"/> refers to a provider that does not exist.
/// </exception>
///
/// <exception cref="DriveNotFoundException">
/// If <paramref name="path"/> refers to a drive that does not exist.
/// </exception>
///
/// <exception cref="ProviderInvocationException">
/// If the provider associated with <paramref name="path"/> threw an
/// exception.
/// </exception>
///
/// <exception cref="ItemNotFoundException">
/// If the <paramref name="path"/> could not be resolved.
/// </exception>
///
internal PathInfo SetLocation(string path, CmdletProviderContext context)
{
if (path == null)
{
throw PSTraceSource.NewArgumentNullException("path");
}
string originalPath = path;
string driveName = null;
ProviderInfo provider = null;
string providerId = null;
PSDriveInfo previousWorkingDrive = CurrentDrive;
// First check to see if the path is a home path
if (LocationGlobber.IsHomePath(path))
{
path = Globber.GetHomeRelativePath(path);
}
if (LocationGlobber.IsProviderDirectPath(path))
{
// The path is a provider-direct path so use the current
// provider and its hidden drive but don't modify the path
// at all.
provider = CurrentLocation.Provider;
CurrentDrive = provider.HiddenDrive;
}
else if (LocationGlobber.IsProviderQualifiedPath(path, out providerId))
{
provider = GetSingleProvider(providerId);
CurrentDrive = provider.HiddenDrive;
}
else
{
// See if the path is a relative or absolute
// path.
if (Globber.IsAbsolutePath(path, out driveName))
{
// Since the path is an absolute path
// we need to change the current working
// drive
PSDriveInfo newWorkingDrive = GetDrive(driveName);
CurrentDrive = newWorkingDrive;
// Now that the current working drive is set,
// process the rest of the path as a relative path.
}
}
if (context == null)
{
context = new CmdletProviderContext(this.ExecutionContext);
}
if (CurrentDrive != null)
{
context.Drive = CurrentDrive;
}
CmdletProvider providerInstance = null;
Collection <PathInfo> workingPath = null;
try
{
workingPath =
Globber.GetGlobbedMonadPathsFromMonadPath(
path,
false,
context,
out providerInstance);
}
catch (LoopFlowException)
{
throw;
}
catch (PipelineStoppedException)
{
throw;
}
catch (ActionPreferenceStopException)
{
throw;
}
catch (Exception) // Catch-all OK, 3rd party callout
{
// Reset the drive to the previous drive and
// then rethrow the error
CurrentDrive = previousWorkingDrive;
throw;
}
if (workingPath.Count == 0)
{
// Set the current working drive back to the previous
// one in case it was changed.
CurrentDrive = previousWorkingDrive;
throw
new ItemNotFoundException(
path,
"PathNotFound",
SessionStateStrings.PathNotFound);
}
// We allow globbing the location as long as it only resolves a single container.
bool foundContainer = false;
bool pathIsContainer = false;
bool pathIsProviderQualifiedPath = false;
bool currentPathisProviderQualifiedPath = false;
for (int index = 0; index < workingPath.Count; ++index)
{
CmdletProviderContext normalizePathContext =
new CmdletProviderContext(context);
PathInfo resolvedPath = workingPath[index];
string currentPath = path;
try
{
string providerName = null;
currentPathisProviderQualifiedPath = LocationGlobber.IsProviderQualifiedPath(resolvedPath.Path, out providerName);
if (currentPathisProviderQualifiedPath)
{
// The path should be the provider-qualified path without the provider ID
// or ::
string providerInternalPath = LocationGlobber.RemoveProviderQualifier(resolvedPath.Path);
try
{
currentPath = NormalizeRelativePath(GetSingleProvider(providerName), providerInternalPath, String.Empty, normalizePathContext);
}
catch (NotSupportedException)
{
// Since the provider does not support normalizing the path, just
// use the path we currently have.
}
catch (LoopFlowException)
{
throw;
}
catch (PipelineStoppedException)
{
throw;
}
catch (ActionPreferenceStopException)
{
throw;
}
catch (Exception) // Catch-all OK, 3rd party callout
{
// Reset the drive to the previous drive and
// then rethrow the error
CurrentDrive = previousWorkingDrive;
throw;
}
}
else
{
try
{
currentPath = NormalizeRelativePath(resolvedPath.Path, CurrentDrive.Root, normalizePathContext);
}
catch (NotSupportedException)
{
// Since the provider does not support normalizing the path, just
// use the path we currently have.
}
catch (LoopFlowException)
{
throw;
}
catch (PipelineStoppedException)
{
throw;
}
catch (ActionPreferenceStopException)
{
throw;
}
catch (Exception) // Catch-all OK, 3rd party callout
{
// Reset the drive to the previous drive and
// then rethrow the error
CurrentDrive = previousWorkingDrive;
throw;
}
}
// Now see if there was errors while normalizing the path
if (normalizePathContext.HasErrors())
{
// Set the current working drive back to the previous
// one in case it was changed.
CurrentDrive = previousWorkingDrive;
normalizePathContext.ThrowFirstErrorOrDoNothing();
}
}
finally
{
normalizePathContext.RemoveStopReferral();
}
// Check to see if the path is a container
bool isContainer = false;
CmdletProviderContext itemContainerContext =
new CmdletProviderContext(context);
itemContainerContext.SuppressWildcardExpansion = true;
try
{
isContainer =
IsItemContainer(
resolvedPath.Path,
itemContainerContext);
if (itemContainerContext.HasErrors())
{
// Set the current working drive back to the previous
// one in case it was changed.
CurrentDrive = previousWorkingDrive;
itemContainerContext.ThrowFirstErrorOrDoNothing();
}
}
catch (NotSupportedException)
{
if (currentPath.Length == 0)
{
// Treat this as a container because providers that only
// support the ContainerCmdletProvider interface are really
// containers at their root.
isContainer = true;
}
}
finally
{
itemContainerContext.RemoveStopReferral();
}
if (isContainer)
{
if (foundContainer)
{
// The path resolved to more than one container
// Set the current working drive back to the previous
// one in case it was changed.
CurrentDrive = previousWorkingDrive;
throw
PSTraceSource.NewArgumentException(
"path",
SessionStateStrings.PathResolvedToMultiple,
originalPath);
}
else
{
// Set the path to use
path = currentPath;
// Mark it as a container
pathIsContainer = true;
// Mark whether or not it was provider-qualified
pathIsProviderQualifiedPath = currentPathisProviderQualifiedPath;
// Mark that we have already found one container. Finding additional
// should be an error
foundContainer = true;
}
}
}
if (pathIsContainer)
{
// Remove the root slash since it is implied that the
// current working directory is relative to the root.
if (!LocationGlobber.IsProviderDirectPath(path) &&
path.StartsWith(StringLiterals.DefaultPathSeparatorString, StringComparison.CurrentCulture) &&
!pathIsProviderQualifiedPath)
{
path = path.Substring(1);
}
s_tracer.WriteLine(
"New working path = {0}",
path);
CurrentDrive.CurrentLocation = path;
}
else
{
// Set the current working drive back to the previous
// one in case it was changed.
CurrentDrive = previousWorkingDrive;
throw
new ItemNotFoundException(
originalPath,
"PathNotFound",
SessionStateStrings.PathNotFound);
}
// Now make sure the current drive is set in the provider's
// current working drive hashtable
ProvidersCurrentWorkingDrive[CurrentDrive.Provider] =
CurrentDrive;
// Set the $PWD variable to the new location
this.SetVariable(SpecialVariables.PWDVarPath, this.CurrentLocation, false, true, CommandOrigin.Internal);
return(this.CurrentLocation);
} // SetLocation
public PSDriveInfo New(PSDriveInfo drive, string scope)
{
var runtime = new ProviderRuntime(_scope.SessionState);
return(New(drive, scope, runtime));
}
internal bool TryGet(string driveName, out PSDriveInfo info)
{
info = _scope.Get(driveName, false);
return(info != null);
}
internal PSDriveInfo New(PSDriveInfo drive, string scope, ProviderRuntime providerRuntime)
{
// make sure the provider can intitalize this drive properly
drive = GetProvider(drive).NewDrive(drive, providerRuntime);
return(NewSkipInit(drive, scope));
}
public PSDriveInfo New(PSDriveInfo drive, string scope)
{
using (DriveManagementIntrinsics.tracer.TraceMethod())
return(this.sessionState.NewDrive(drive, scope));
}
/// <summary>
/// Resolves the specified path to PathInfo objects
/// </summary>
///
/// <param name="pathToResolve">
/// The path to be resolved. Each path may contain glob characters.
/// </param>
///
/// <param name="allowNonexistingPaths">
/// If true, resolves the path even if it doesn't exist.
/// </param>
///
/// <param name="currentCommandContext">
/// The context under which the command is running.
/// </param>
///
/// <returns>
/// A string representing the resolved path.
/// </returns>
///
private PathInfo ResolvePath(
string pathToResolve,
bool allowNonexistingPaths,
CmdletProviderContext currentCommandContext)
{
Collection <PathInfo> results = new Collection <PathInfo>();
try
{
// First resolve path
Collection <PathInfo> pathInfos =
SessionState.Path.GetResolvedPSPathFromPSPath(
pathToResolve,
currentCommandContext);
foreach (PathInfo pathInfo in pathInfos)
{
results.Add(pathInfo);
}
}
catch (PSNotSupportedException notSupported)
{
WriteError(
new ErrorRecord(
notSupported.ErrorRecord,
notSupported));
}
catch (System.Management.Automation.DriveNotFoundException driveNotFound)
{
WriteError(
new ErrorRecord(
driveNotFound.ErrorRecord,
driveNotFound));
}
catch (ProviderNotFoundException providerNotFound)
{
WriteError(
new ErrorRecord(
providerNotFound.ErrorRecord,
providerNotFound));
}
catch (ItemNotFoundException pathNotFound)
{
if (allowNonexistingPaths)
{
ProviderInfo provider = null;
System.Management.Automation.PSDriveInfo drive = null;
string unresolvedPath =
SessionState.Path.GetUnresolvedProviderPathFromPSPath(
pathToResolve,
currentCommandContext,
out provider,
out drive);
PathInfo pathInfo =
new PathInfo(
drive,
provider,
unresolvedPath,
SessionState);
results.Add(pathInfo);
}
else
{
WriteError(
new ErrorRecord(
pathNotFound.ErrorRecord,
pathNotFound));
}
}
if (results.Count == 1)
{
return(results[0]);
}
else if (results.Count > 1)
{
Exception e = PSTraceSource.NewNotSupportedException();
WriteError(
new ErrorRecord(e,
"NotSupported",
ErrorCategory.NotImplemented,
results));
return(null);
}
else
{
return(null);
}
} // ResolvePath
internal void New(PSDriveInfo drive, string scope, CmdletProviderContext context)
{
using (DriveManagementIntrinsics.tracer.TraceMethod())
this.sessionState.NewDrive(drive, scope, context);
}