protected override void ProcessRecord()
{
foreach (string str in this.name)
{
bool wasFiltered = false;
List<PSVariable> list = base.GetMatchingVariables(str, base.Scope, out wasFiltered, false);
list.Sort((Comparison<PSVariable>) ((left, right) => StringComparer.CurrentCultureIgnoreCase.Compare(left.Name, right.Name)));
bool flag2 = false;
foreach (PSVariable variable in list)
{
flag2 = true;
if (this.valueOnly)
{
base.WriteObject(variable.Value);
}
else
{
base.WriteObject(variable);
}
}
if (!flag2 && !wasFiltered)
{
ItemNotFoundException replaceParentContainsErrorRecordException = new ItemNotFoundException(str, "VariableNotFound", SessionStateStrings.VariableNotFound);
base.WriteError(new ErrorRecord(replaceParentContainsErrorRecordException.ErrorRecord, replaceParentContainsErrorRecordException));
}
}
}
protected override void ProcessRecord()
{
foreach (string str in this.names)
{
bool wasFiltered = false;
List<PSVariable> list = base.GetMatchingVariables(str, base.Scope, out wasFiltered, false);
if ((list.Count == 0) && !wasFiltered)
{
ItemNotFoundException replaceParentContainsErrorRecordException = new ItemNotFoundException(str, "VariableNotFound", SessionStateStrings.VariableNotFound);
base.WriteError(new ErrorRecord(replaceParentContainsErrorRecordException.ErrorRecord, replaceParentContainsErrorRecordException));
}
else
{
foreach (PSVariable variable in list)
{
string clearVariableAction = VariableCommandStrings.ClearVariableAction;
string target = StringUtil.Format(VariableCommandStrings.ClearVariableTarget, variable.Name);
if (base.ShouldProcess(target, clearVariableAction))
{
PSVariable sendToPipeline = variable;
try
{
if (this.force && ((variable.Options & ScopedItemOptions.ReadOnly) != ScopedItemOptions.None))
{
variable.SetOptions(variable.Options & ~ScopedItemOptions.ReadOnly, true);
sendToPipeline = this.ClearValue(variable);
variable.SetOptions(variable.Options | ScopedItemOptions.ReadOnly, true);
}
else
{
sendToPipeline = this.ClearValue(variable);
}
}
catch (SessionStateException exception2)
{
base.WriteError(new ErrorRecord(exception2.ErrorRecord, exception2));
continue;
}
catch (PSArgumentException exception3)
{
base.WriteError(new ErrorRecord(exception3.ErrorRecord, exception3));
continue;
}
if (this.passThru)
{
base.WriteObject(sendToPipeline);
}
}
}
}
}
}
protected override void ProcessRecord()
{
if (base.Scope == null)
{
base.Scope = "local";
}
foreach (string str in this.names)
{
bool wasFiltered = false;
List<PSVariable> list = base.GetMatchingVariables(str, base.Scope, out wasFiltered, false);
if ((list.Count == 0) && !wasFiltered)
{
ItemNotFoundException replaceParentContainsErrorRecordException = new ItemNotFoundException(str, "VariableNotFound", SessionStateStrings.VariableNotFound);
base.WriteError(new ErrorRecord(replaceParentContainsErrorRecordException.ErrorRecord, replaceParentContainsErrorRecordException));
}
else
{
foreach (PSVariable variable in list)
{
string removeVariableAction = VariableCommandStrings.RemoveVariableAction;
string target = StringUtil.Format(VariableCommandStrings.RemoveVariableTarget, variable.Name);
if (base.ShouldProcess(target, removeVariableAction))
{
try
{
if (string.IsNullOrEmpty(base.Scope))
{
base.SessionState.Internal.RemoveVariable(variable, this.force);
}
else
{
base.SessionState.Internal.RemoveVariableAtScope(variable, base.Scope, this.force);
}
}
catch (SessionStateException exception2)
{
base.WriteError(new ErrorRecord(exception2.ErrorRecord, exception2));
}
catch (PSArgumentException exception3)
{
base.WriteError(new ErrorRecord(exception3.ErrorRecord, exception3));
}
}
}
}
}
}
internal Collection<PSTraceSource> GetMatchingTraceSource(string[] patternsToMatch, bool writeErrorIfMatchNotFound, out Collection<string> notMatched)
{
notMatched = new Collection<string>();
Collection<PSTraceSource> collection = new Collection<PSTraceSource>();
foreach (string str in patternsToMatch)
{
bool flag = false;
if (string.IsNullOrEmpty(str))
{
notMatched.Add(str);
}
else
{
WildcardPattern pattern = new WildcardPattern(str, WildcardOptions.IgnoreCase);
foreach (PSTraceSource source in PSTraceSource.TraceCatalog.Values)
{
if (pattern.IsMatch(source.FullName))
{
flag = true;
collection.Add(source);
}
else if (pattern.IsMatch(source.Name))
{
flag = true;
collection.Add(source);
}
}
if (!flag)
{
notMatched.Add(str);
if (writeErrorIfMatchNotFound && !WildcardPattern.ContainsWildcardCharacters(str))
{
ItemNotFoundException replaceParentContainsErrorRecordException = new ItemNotFoundException(str, "TraceSourceNotFound", SessionStateStrings.TraceSourceNotFound);
ErrorRecord errorRecord = new ErrorRecord(replaceParentContainsErrorRecordException.ErrorRecord, replaceParentContainsErrorRecordException);
base.WriteError(errorRecord);
}
}
}
}
return collection;
}
ErrorRecord CreatePathNotFoundErrorRecord(string path,
string errorId)
{
ItemNotFoundException e =
new ItemNotFoundException(path, "PathNotFound", SessionStateStrings.PathNotFound);
ErrorRecord er =
new ErrorRecord(e,
errorId,
ErrorCategory.ObjectNotFound,
null);
return er;
}
} // GetChildNames
/// <summary>
/// Gets names of the children of the specified path.
/// </summary>
///
/// <param name="path">
/// The path to the item from which to retrieve the child names.
/// </param>
///
/// <param name="returnContainers">
/// Determines if all containers should be returned or only those containers that match the
/// filter(s).
/// </param>
///
/// <param name="recurse">
/// If true, gets all the relative paths of all the children
/// in all the sub-containers of the specified
/// container. If false, only gets the immediate child names of the specified
/// container.
/// </param>
///
/// <param name="depth">
/// Limits the depth of recursion; uint.MaxValue performs full recursion.
/// </param>
///
/// <param name="context">
/// The context which the core command is running.
/// </param>
///
/// <returns>
/// Nothing is returned, but all names should be written to the context object.
/// </returns>
///
/// <remarks>
/// The child names are the leaf portion of the path. Example, for the file system
/// the name for the path c:\windows\system32\foo.dll would be foo.dll or for
/// the directory c:\windows\system32 would be system32. For Active Directory the
/// child names would be RDN values of the child objects of the container.
/// </remarks>
///
/// <exception cref="ArgumentNullException">
/// If <paramref name="path"/> or <paramref name="propertyToClear"/> is null.
/// </exception>
///
/// <exception cref="ProviderNotFoundException">
/// If the <paramref name="path"/> refers to a provider that could not be found.
/// </exception>
///
/// <exception cref="DriveNotFoundException">
/// If the <paramref name="path"/> refers to a drive that could not be found.
/// </exception>
///
/// <exception cref="NotSupportedException">
/// If the provider that the <paramref name="path"/> refers to does
/// not support this operation.
/// </exception>
///
/// <exception cref="ProviderInvocationException">
/// If the provider threw an exception.
/// </exception>
///
/// <exception cref="ItemNotFoundException">
/// If <paramref name="path"/> does not contain glob characters and
/// could not be found.
/// </exception>
///
internal void GetChildNames(
string path,
ReturnContainers returnContainers,
bool recurse,
uint depth,
CmdletProviderContext context)
{
if (path == null)
{
throw PSTraceSource.NewArgumentNullException("path");
}
// Construct the include filter
Collection<WildcardPattern> includeMatcher =
SessionStateUtilities.CreateWildcardsFromStrings(
context.Include,
WildcardOptions.IgnoreCase);
// Construct the exclude filter
Collection<WildcardPattern> excludeMatcher =
SessionStateUtilities.CreateWildcardsFromStrings(
context.Exclude,
WildcardOptions.IgnoreCase);
if (LocationGlobber.ShouldPerformGlobbing(path, context))
{
ProviderInfo provider = null;
CmdletProvider providerInstance = null;
// We don't want to process include/exclude filters
// when globbing the targets of the operation, so
// copy the context without the filters.
CmdletProviderContext resolvePathContext =
new CmdletProviderContext(context);
resolvePathContext.SetFilters(
new Collection<string>(),
new Collection<string>(),
null);
// Resolve the path
Collection<string> providerPaths =
Globber.GetGlobbedProviderPathsFromMonadPath(
path,
false,
resolvePathContext,
out provider,
out providerInstance);
if (resolvePathContext.Drive != null)
{
context.Drive = resolvePathContext.Drive;
}
bool pathContainsGlobCharacters = LocationGlobber.StringContainsGlobCharacters(path);
foreach (string providerPath in providerPaths)
{
// Making sure to obey the StopProcessing.
if (context.Stopping)
{
return;
}
if ((!pathContainsGlobCharacters || recurse) && IsItemContainer(providerInstance, providerPath, context))
{
// Since the path contained glob characters or we are recursing and the
// path is a container, do the name enumeration manually
DoGetChildNamesManually(
providerInstance,
providerPath,
String.Empty,
returnContainers,
includeMatcher,
excludeMatcher,
context,
recurse,
depth);
}
else
{
// Since the original path did not contain glob characters,
// if the provider is a NavigationCmdletProvider, write
// out the child name, else write out the name as it
// was resolved.
if (providerInstance is NavigationCmdletProvider)
{
string childName =
GetChildName(
providerInstance,
providerPath,
context, false);
bool isIncludeMatch =
SessionStateUtilities.MatchesAnyWildcardPattern(
childName,
includeMatcher,
true);
bool isExcludeMatch =
SessionStateUtilities.MatchesAnyWildcardPattern(
childName,
excludeMatcher,
false);
if (isIncludeMatch && !isExcludeMatch)
{
context.WriteObject(childName);
}
}
else
{
context.WriteObject(providerPath);
}
}
}
}
else
{
// Figure out which provider to use
ProviderInfo provider = null;
PSDriveInfo drive = null;
string providerPath =
Globber.GetProviderPath(
path,
context,
out provider,
out drive);
ContainerCmdletProvider providerInstance = GetContainerProviderInstance(provider);
if (drive != null)
{
context.Drive = drive;
}
if (!providerInstance.ItemExists(providerPath, context))
{
ItemNotFoundException pathNotFound =
new ItemNotFoundException(
providerPath,
"PathNotFound",
SessionStateStrings.PathNotFound);
throw pathNotFound;
}
if (recurse)
{
// The path did not contain glob characters but recurse was specified
// so do the enumeration manually
DoGetChildNamesManually(
providerInstance,
providerPath,
String.Empty,
returnContainers,
includeMatcher,
excludeMatcher,
context,
recurse,
depth);
}
else
{
// Since the path did not contain glob characters and recurse wasn't
// specified, we can have the provider write out the child names directly
GetChildNames(
providerInstance,
providerPath,
returnContainers,
context);
}
}
} // GetChildNames
internal string GetDriveRootRelativePathFromPSPath (string path, CmdletProviderContext context, bool escapeCurrentLocation, out PSDriveInfo workingDriveForPath, out CmdletProvider providerInstance)
{
if (path == null) {
throw PSTraceSource.NewArgumentNullException ("path");
}
if (OSHelper.IsUnix) {
int index = path.IndexOf ("::");
if (index != -1)
{
path = path.Substring (index + 2);
}
}
workingDriveForPath = null;
string driveName = null;
if (this.sessionState.Drive.Current != null)
{
driveName = this.sessionState.Drive.Current.Name;
}
bool flag = false;
if (this.IsAbsolutePath(path, out driveName))
{
tracer.WriteLine("Drive Name: {0}", new object[] { driveName });
try
{
workingDriveForPath = this.sessionState.Drive.Get(driveName);
}
catch (DriveNotFoundException)
{
if (this.sessionState.Drive.Current == null)
{
throw;
}
if (Environment.OSVersion.Platform == PlatformID.MacOSX || Environment.OSVersion.Platform == PlatformID.Unix)
{
flag = path.StartsWith ("/", StringComparison.OrdinalIgnoreCase);
workingDriveForPath = this.sessionState.Drive.Current;
}
else
{
string str2 = OSHelper.IsUnix ? this.sessionState.Drive.Current.Root : this.sessionState.Drive.Current.Root.Replace('/', '\\');
string tempPath = OSHelper.IsUnix ? path : path.Replace('/', '\\');
if ((str2.IndexOf(":", StringComparison.CurrentCulture) >= 0) && tempPath.StartsWith(str2, StringComparison.OrdinalIgnoreCase))
{
flag = true;
if (!OSHelper.IsUnix) {
path = path.Substring(str2.Length);
path = path.TrimStart(new char[] { '\\' });
path = '\\' + path;
}
workingDriveForPath = this.sessionState.Drive.Current;
}
if (!flag)
{
throw;
}
}
}
if (!flag) /* && !OSHelper.IsUnix */
{
path = path.Substring(driveName.Length + 1);
}
}
else
{
workingDriveForPath = this.sessionState.Drive.Current;
}
if (workingDriveForPath == null)
{
ItemNotFoundException exception = new ItemNotFoundException(path, "PathNotFound", SessionStateStrings.PathNotFound);
pathResolutionTracer.TraceError("Item does not exist: {0}", new object[] { path });
throw exception;
}
try
{
providerInstance = this.sessionState.Internal.GetContainerProviderInstance(workingDriveForPath.Provider);
context.Drive = workingDriveForPath;
return this.GenerateRelativePath(workingDriveForPath, path, escapeCurrentLocation, providerInstance, context);
}
catch (PSNotSupportedException)
{
providerInstance = null;
return "";
}
}
private Collection<PathInfo> ResolveDriveQualifiedPath(string path, CmdletProviderContext context, bool allowNonexistingPaths, out CmdletProvider providerInstance)
{
providerInstance = null;
PSDriveInfo workingDriveForPath = null;
Collection<PathInfo> collection = new Collection<PathInfo>();
pathResolutionTracer.WriteLine("Path is DRIVE-QUALIFIED", new object[0]);
string str = this.GetDriveRootRelativePathFromPSPath(path, context, true, out workingDriveForPath, out providerInstance);
pathResolutionTracer.WriteLine("DRIVE-RELATIVE path: {0}", new object[] { str });
pathResolutionTracer.WriteLine("Drive: {0}", new object[] { workingDriveForPath.Name });
pathResolutionTracer.WriteLine("Provider: {0}", new object[] { workingDriveForPath.Provider });
context.Drive = workingDriveForPath;
providerInstance = this.sessionState.Internal.GetContainerProviderInstance(workingDriveForPath.Provider);
ContainerCmdletProvider provider = providerInstance as ContainerCmdletProvider;
ItemCmdletProvider provider2 = providerInstance as ItemCmdletProvider;
ProviderInfo providerInfo = providerInstance.ProviderInfo;
string item = null;
string providerPath = null;
if (workingDriveForPath.Hidden)
{
item = GetProviderQualifiedPath(str, providerInfo);
providerPath = str;
}
else
{
item = GetDriveQualifiedPath(str, workingDriveForPath);
providerPath = this.GetProviderPath(path, context);
}
pathResolutionTracer.WriteLine("PROVIDER path: {0}", new object[] { providerPath });
Collection<string> collection2 = new Collection<string>();
if (!context.SuppressWildcardExpansion)
{
if (CmdletProviderManagementIntrinsics.CheckProviderCapabilities(ProviderCapabilities.ExpandWildcards, providerInfo))
{
pathResolutionTracer.WriteLine("Wildcard matching is being performed by the provider.", new object[0]);
if ((provider2 != null) && WildcardPattern.ContainsWildcardCharacters(str))
{
foreach (string str4 in provider2.ExpandPath(providerPath, context))
{
collection2.Add(this.GetDriveRootRelativePathFromProviderPath(str4, workingDriveForPath, context));
}
}
else
{
collection2.Add(this.GetDriveRootRelativePathFromProviderPath(providerPath, workingDriveForPath, context));
}
}
else
{
pathResolutionTracer.WriteLine("Wildcard matching is being performed by the engine.", new object[0]);
collection2 = this.ExpandMshGlobPath(str, allowNonexistingPaths, workingDriveForPath, provider, context);
}
}
else if (provider2 != null)
{
if (allowNonexistingPaths || provider2.ItemExists(providerPath, context))
{
collection2.Add(item);
}
}
else
{
collection2.Add(item);
}
if ((((!allowNonexistingPaths && (collection2.Count < 1)) && !WildcardPattern.ContainsWildcardCharacters(path)) && ((context.Include == null) || (context.Include.Count == 0))) && ((context.Exclude == null) || (context.Exclude.Count == 0)))
{
ItemNotFoundException exception = new ItemNotFoundException(path, "PathNotFound", SessionStateStrings.PathNotFound);
pathResolutionTracer.TraceError("Item does not exist: {0}", new object[] { path });
throw exception;
}
foreach (string str5 in collection2)
{
if (context.Stopping)
{
throw new PipelineStoppedException();
}
item = null;
if (workingDriveForPath.Hidden)
{
if (IsProviderDirectPath(str5))
{
item = str5;
}
else
{
item = GetProviderQualifiedPath(str5, providerInfo);
}
}
else
{
item = GetDriveQualifiedPath(str5, workingDriveForPath);
}
collection.Add(new PathInfo(workingDriveForPath, providerInfo, item, this.sessionState));
pathResolutionTracer.WriteLine("RESOLVED PATH: {0}", new object[] { item });
}
return collection;
}
private Collection<string> ExpandMshGlobPath(string path, bool allowNonexistingPaths, PSDriveInfo drive, ContainerCmdletProvider provider, CmdletProviderContext context)
{
if (path == null)
{
throw PSTraceSource.NewArgumentNullException("path");
}
if (provider == null)
{
throw PSTraceSource.NewArgumentNullException("provider");
}
if (drive == null)
{
throw PSTraceSource.NewArgumentNullException("drive");
}
tracer.WriteLine("path = {0}", new object[] { path });
NavigationCmdletProvider provider2 = provider as NavigationCmdletProvider;
Collection<string> collection = new Collection<string>();
using (pathResolutionTracer.TraceScope("EXPANDING WILDCARDS", new object[0]))
{
if (ShouldPerformGlobbing(path, context))
{
StringCollection currentDirs = new StringCollection();
Stack<string> stack = new Stack<string>();
using (pathResolutionTracer.TraceScope("Tokenizing path", new object[0]))
{
while (StringContainsGlobCharacters(path))
{
if (context.Stopping)
{
throw new PipelineStoppedException();
}
string childName = path;
if (provider2 != null)
{
childName = provider2.GetChildName(path, context);
}
if (string.IsNullOrEmpty(childName))
{
break;
}
tracer.WriteLine("Pushing leaf element: {0}", new object[] { childName });
pathResolutionTracer.WriteLine("Leaf element: {0}", new object[] { childName });
stack.Push(childName);
if (provider2 != null)
{
string a = provider2.GetParentPath(path, drive.Root, context);
if (string.Equals(a, path, StringComparison.OrdinalIgnoreCase))
{
throw PSTraceSource.NewInvalidOperationException("SessionStateStrings", "ProviderImplementationInconsistent", new object[] { provider.ProviderInfo.Name, path });
}
path = a;
}
else
{
path = string.Empty;
}
tracer.WriteLine("New path: {0}", new object[] { path });
pathResolutionTracer.WriteLine("Parent path: {0}", new object[] { path });
}
tracer.WriteLine("Base container path: {0}", new object[] { path });
if (stack.Count == 0)
{
string str3 = path;
if (provider2 != null)
{
str3 = provider2.GetChildName(path, context);
if (!string.IsNullOrEmpty(str3))
{
path = provider2.GetParentPath(path, null, context);
}
}
else
{
path = string.Empty;
}
stack.Push(str3);
pathResolutionTracer.WriteLine("Leaf element: {0}", new object[] { str3 });
}
pathResolutionTracer.WriteLine("Root path of resolution: {0}", new object[] { path });
}
currentDirs.Add(path);
while (stack.Count > 0)
{
if (context.Stopping)
{
throw new PipelineStoppedException();
}
string leafElement = stack.Pop();
currentDirs = this.GenerateNewPSPathsWithGlobLeaf(currentDirs, drive, leafElement, stack.Count == 0, provider, context);
if (stack.Count > 0)
{
using (pathResolutionTracer.TraceScope("Checking matches to ensure they are containers", new object[0]))
{
int index = 0;
while (index < currentDirs.Count)
{
if (context.Stopping)
{
throw new PipelineStoppedException();
}
string mshQualifiedPath = GetMshQualifiedPath(currentDirs[index], drive);
if ((provider2 != null) && !this.sessionState.Internal.IsItemContainer(mshQualifiedPath, context))
{
tracer.WriteLine("Removing {0} because it is not a container", new object[] { currentDirs[index] });
pathResolutionTracer.WriteLine("{0} is not a container", new object[] { currentDirs[index] });
currentDirs.RemoveAt(index);
}
else if (provider2 != null)
{
pathResolutionTracer.WriteLine("{0} is a container", new object[] { currentDirs[index] });
index++;
}
}
continue;
}
}
}
foreach (string str6 in currentDirs)
{
pathResolutionTracer.WriteLine("RESOLVED PATH: {0}", new object[] { str6 });
collection.Add(str6);
}
return collection;
}
string str7 = context.SuppressWildcardExpansion ? path : RemoveGlobEscaping(path);
string format = OSHelper.IsUnix && provider.GetType () == typeof(Microsoft.PowerShell.Commands.FileSystemProvider) ? (str7.StartsWith ("/") ? "{1}" : "{0}/{1}") : "{0}:" + '\\' + "{1}";
if (drive.Hidden)
{
if (IsProviderDirectPath(str7))
{
format = "{1}";
}
else
{
format = "{0}::{1}";
}
}
else
{
char ch = OSHelper.IsUnix && provider.GetType () == typeof(Microsoft.PowerShell.Commands.FileSystemProvider) ? '/' : '\\';
if (path.StartsWith(ch.ToString(), StringComparison.Ordinal))
{
format = OSHelper.IsUnix && provider.GetType () == typeof(Microsoft.PowerShell.Commands.FileSystemProvider) ? "{1}" : "{0}:{1}";
}
}
string str9 = string.Format(CultureInfo.InvariantCulture, format, new object[] { drive.Name, str7 });
if (allowNonexistingPaths || provider.ItemExists(this.GetProviderPath(str9, context), context))
{
pathResolutionTracer.WriteLine("RESOLVED PATH: {0}", new object[] { str9 });
collection.Add(str9);
return collection;
}
ItemNotFoundException exception2 = new ItemNotFoundException(str9, "PathNotFound", SessionStateStrings.PathNotFound);
pathResolutionTracer.TraceError("Item does not exist: {0}", new object[] { path });
throw exception2;
}
}
/// <summary>
/// The main processing loop of the command.
/// </summary>
///
protected override void ProcessRecord()
{
// First get the alias table (from the proper scope if necessary)
IDictionary<string, AliasInfo> aliasTable = null;
if (!String.IsNullOrEmpty(Scope))
{
// This can throw PSArgumentException and PSArgumentOutOfRangeException
// but just let them go as this is terminal for the pipeline and the
// exceptions are already properly adorned with an ErrorRecord.
aliasTable = SessionState.Internal.GetAliasTableAtScope(Scope);
}
else
{
aliasTable = SessionState.Internal.GetAliasTable();
}
foreach (string aliasName in _names)
{
bool resultFound = false;
// Create the name pattern
WildcardPattern namePattern =
WildcardPattern.Get(
aliasName,
WildcardOptions.IgnoreCase);
// Now loop through the table and write out any aliases that
// match the name and don't match the exclude filters and are
// visible to the caller...
CommandOrigin origin = MyInvocation.CommandOrigin;
foreach (KeyValuePair<string, AliasInfo> tableEntry in aliasTable)
{
if (!namePattern.IsMatch(tableEntry.Key))
{
continue;
}
if (SessionState.IsVisible(origin, tableEntry.Value))
{
resultFound = true;
_matchingAliases.Add(tableEntry.Value);
}
}
if (!resultFound &&
!WildcardPattern.ContainsWildcardCharacters(aliasName))
{
// Need to write an error if the user tries to get an alias
// that doesn't exist and they are not globbing.
ItemNotFoundException itemNotFound =
new ItemNotFoundException(
aliasName,
"AliasNotFound",
SessionStateStrings.AliasNotFound);
WriteError(
new ErrorRecord(
itemNotFound.ErrorRecord,
itemNotFound));
}
}
} // ProcessRecord
/// <summary>
/// The implementation of the Clear-Variable command
/// </summary>
///
protected override void ProcessRecord()
{
foreach (string varName in Name)
{
bool wasFiltered = false;
List<PSVariable> matchingVariables =
GetMatchingVariables(varName, Scope, out wasFiltered, /* quiet */ false);
if (matchingVariables.Count == 0 && !wasFiltered)
{
// Since the variable wasn't found and no glob
// characters were specified, write an error.
ItemNotFoundException itemNotFound =
new ItemNotFoundException(
varName,
"VariableNotFound",
SessionStateStrings.VariableNotFound);
WriteError(
new ErrorRecord(
itemNotFound.ErrorRecord,
itemNotFound));
continue;
}
foreach (PSVariable matchingVariable in matchingVariables)
{
// Since the variable doesn't exist or -Force was specified,
// Call should process to validate the set with the user.
string action = VariableCommandStrings.ClearVariableAction;
string target = StringUtil.Format(VariableCommandStrings.ClearVariableTarget, matchingVariable.Name);
if (ShouldProcess(target, action))
{
PSVariable result = matchingVariable;
try
{
if (_force &&
(matchingVariable.Options & ScopedItemOptions.ReadOnly) != 0)
{
// Remove the ReadOnly bit to set the value and then reapply
matchingVariable.SetOptions(matchingVariable.Options & ~ScopedItemOptions.ReadOnly, true);
result = ClearValue(matchingVariable);
matchingVariable.SetOptions(matchingVariable.Options | ScopedItemOptions.ReadOnly, true);
}
else
{
result = ClearValue(matchingVariable);
}
}
catch (SessionStateException sessionStateException)
{
WriteError(
new ErrorRecord(
sessionStateException.ErrorRecord,
sessionStateException));
continue;
}
catch (PSArgumentException argException)
{
WriteError(
new ErrorRecord(
argException.ErrorRecord,
argException));
continue;
}
if (_passThru)
{
WriteObject(result);
}
}
}
}
} // ProcessRecord
} // LocationStack
/// <summary>
/// Sets the default stack ID to the specified stack ID
/// </summary>
///
/// <param name="stackName">
/// The stack ID to be used as the default.
/// </param>
///
/// <returns>
/// The PathInfoStack for the new default stack or null if the
/// stack does not exist yet.
/// </returns>
///
/// <exception cref="ItemNotFoundException">
/// If <paramref name="stackName"/> does not exist as a location stack.
/// </exception>
///
internal PathInfoStack SetDefaultLocationStack(string stackName)
{
if (String.IsNullOrEmpty(stackName))
{
stackName = startingDefaultStackName;
}
if (!_workingLocationStack.ContainsKey(stackName))
{
if (String.Equals(stackName, startingDefaultStackName, StringComparison.OrdinalIgnoreCase))
{
// Since the "default" stack must always exist, create it here
return new PathInfoStack(startingDefaultStackName, new Stack<PathInfo>());
}
ItemNotFoundException itemNotFound =
new ItemNotFoundException(
stackName,
"StackNotFound",
SessionStateStrings.PathNotFound);
throw itemNotFound;
}
_defaultStackName = stackName;
Stack<PathInfo> locationStack = _workingLocationStack[_defaultStackName];
if (locationStack != null)
{
return new PathInfoStack(_defaultStackName, locationStack);
}
return null;
} // SetDefaultLocationStack
} // ProcessRecord
#endregion Command code
private void WriteMatches(string value, string parametersetname)
{
// First get the alias table (from the proper scope if necessary)
IDictionary<string, AliasInfo> aliasTable = null;
//get the command origin
CommandOrigin origin = MyInvocation.CommandOrigin;
string displayString = "name";
if (!String.IsNullOrEmpty(Scope))
{
// This can throw PSArgumentException and PSArgumentOutOfRangeException
// but just let them go as this is terminal for the pipeline and the
// exceptions are already properly adorned with an ErrorRecord.
aliasTable = SessionState.Internal.GetAliasTableAtScope(Scope);
}
else
{
aliasTable = SessionState.Internal.GetAliasTable();
}
bool matchfound = false;
bool ContainsWildcard = WildcardPattern.ContainsWildcardCharacters(value);
WildcardPattern wcPattern = WildcardPattern.Get(value, WildcardOptions.IgnoreCase);
// excluding patter for Default paramset.
Collection<WildcardPattern> excludePatterns =
SessionStateUtilities.CreateWildcardsFromStrings(
_excludes,
WildcardOptions.IgnoreCase);
List<AliasInfo> results = new List<AliasInfo>();
foreach (KeyValuePair<string, AliasInfo> tableEntry in aliasTable)
{
if (parametersetname.Equals("Definition", StringComparison.OrdinalIgnoreCase))
{
displayString = "definition";
if (!wcPattern.IsMatch(tableEntry.Value.Definition))
{
continue;
}
if (SessionStateUtilities.MatchesAnyWildcardPattern(tableEntry.Value.Definition, excludePatterns, false))
{
continue;
}
}
else
{
if (!wcPattern.IsMatch(tableEntry.Key))
{
continue;
}
//excludes pattern
if (SessionStateUtilities.MatchesAnyWildcardPattern(tableEntry.Key, excludePatterns, false))
{
continue;
}
}
if (ContainsWildcard)
{
// Only write the command if it is visible to the requestor
if (SessionState.IsVisible(origin, tableEntry.Value))
{
matchfound = true;
results.Add(tableEntry.Value);
}
}
else
{
// For specifically named elements, generate an error for elements that aren't visible...
try
{
SessionState.ThrowIfNotVisible(origin, tableEntry.Value);
results.Add(tableEntry.Value);
matchfound = true;
}
catch (SessionStateException sessionStateException)
{
WriteError(
new ErrorRecord(
sessionStateException.ErrorRecord,
sessionStateException));
// Even though it resulted in an error, a result was found
// so we don't want to generate the nothing found error
// at the end...
matchfound = true;
continue;
}
}
}
results.Sort(
delegate (AliasInfo left, AliasInfo right)
{
return StringComparer.CurrentCultureIgnoreCase.Compare(left.Name, right.Name);
});
foreach (AliasInfo alias in results)
{
this.WriteObject(alias);
}
if (!matchfound && !ContainsWildcard && (excludePatterns == null || excludePatterns.Count == 0))
{
// Need to write an error if the user tries to get an alias
// tat doesn't exist and they are not globbing.
ItemNotFoundException itemNotFound = new ItemNotFoundException(StringUtil.Format(AliasCommandStrings.NoAliasFound, displayString, value));
ErrorRecord er = new ErrorRecord(itemNotFound, "ItemNotFoundException", ErrorCategory.ObjectNotFound, value);
WriteError(er);
}
}
private void WriteMatches(string value, string parametersetname)
{
IDictionary<string, AliasInfo> aliasTableAtScope = null;
CommandOrigin commandOrigin = base.MyInvocation.CommandOrigin;
string str = "name";
if (!string.IsNullOrEmpty(this.scope))
{
aliasTableAtScope = base.SessionState.Internal.GetAliasTableAtScope(this.scope);
}
else
{
aliasTableAtScope = base.SessionState.Internal.GetAliasTable();
}
bool flag = false;
bool flag2 = WildcardPattern.ContainsWildcardCharacters(value);
WildcardPattern pattern = new WildcardPattern(value, WildcardOptions.IgnoreCase);
Collection<WildcardPattern> patterns = SessionStateUtilities.CreateWildcardsFromStrings(this.excludes, WildcardOptions.IgnoreCase);
List<AliasInfo> list = new List<AliasInfo>();
foreach (KeyValuePair<string, AliasInfo> pair in aliasTableAtScope)
{
if (parametersetname.Equals("Definition", StringComparison.OrdinalIgnoreCase))
{
str = "definition";
if (pattern.IsMatch(pair.Value.Definition) && !SessionStateUtilities.MatchesAnyWildcardPattern(pair.Value.Definition, patterns, false))
{
goto Label_00EE;
}
continue;
}
if (!pattern.IsMatch(pair.Key) || SessionStateUtilities.MatchesAnyWildcardPattern(pair.Key, patterns, false))
{
continue;
}
Label_00EE:
if (flag2)
{
if (SessionState.IsVisible(commandOrigin, (CommandInfo) pair.Value))
{
flag = true;
list.Add(pair.Value);
}
}
else
{
try
{
SessionState.ThrowIfNotVisible(commandOrigin, pair.Value);
list.Add(pair.Value);
flag = true;
}
catch (SessionStateException exception)
{
base.WriteError(new ErrorRecord(exception.ErrorRecord, exception));
flag = true;
}
}
}
list.Sort((Comparison<AliasInfo>) ((left, right) => StringComparer.CurrentCultureIgnoreCase.Compare(left.Name, right.Name)));
foreach (AliasInfo info in list)
{
base.WriteObject(info);
}
if ((!flag && !flag2) && ((patterns == null) || (patterns.Count == 0)))
{
ItemNotFoundException exception2 = new ItemNotFoundException(StringUtil.Format(AliasCommandStrings.NoAliasFound, str, value));
ErrorRecord errorRecord = new ErrorRecord(exception2, "ItemNotFoundException", ErrorCategory.ObjectNotFound, value);
base.WriteError(errorRecord);
}
}
internal object SetVariable(VariablePath variablePath, object newValue, bool asValue, bool force, CommandOrigin origin)
{
if (variablePath == null)
{
throw PSTraceSource.NewArgumentNullException("variablePath");
}
CmdletProviderContext context = null;
SessionStateScope currentScope = null;
if (variablePath.IsVariable)
{
if (variablePath.IsLocal || variablePath.IsUnscopedVariable)
{
currentScope = this.currentScope;
}
else if (variablePath.IsScript)
{
currentScope = this.currentScope.ScriptScope;
}
else if (variablePath.IsGlobal)
{
currentScope = this._globalScope;
}
else if (variablePath.IsPrivate)
{
currentScope = this.currentScope;
}
PSVariable variable = currentScope.SetVariable(variablePath.QualifiedName, newValue, asValue, force, this, origin, false);
if (variablePath.IsPrivate && (variable != null))
{
variable.Options |= ScopedItemOptions.Private;
}
return variable;
}
this.GetVariableValue(variablePath, out context, out currentScope);
Collection<IContentWriter> contentWriter = null;
try
{
if (context != null)
{
try
{
CmdletProviderContext context2 = new CmdletProviderContext(context);
this.ClearContent(new string[] { variablePath.QualifiedName }, context2);
}
catch (NotSupportedException)
{
}
catch (ItemNotFoundException)
{
}
contentWriter = this.GetContentWriter(new string[] { variablePath.QualifiedName }, context);
context.ThrowFirstErrorOrDoNothing(true);
}
else
{
try
{
this.ClearContent(new string[] { variablePath.QualifiedName }, false, false);
}
catch (NotSupportedException)
{
}
catch (ItemNotFoundException)
{
}
contentWriter = this.GetContentWriter(new string[] { variablePath.QualifiedName }, false, false);
}
}
catch (NotImplementedException exception)
{
ProviderInfo provider = null;
this.Globber.GetProviderPath(variablePath.QualifiedName, out provider);
throw this.NewProviderInvocationException("ProviderCannotBeUsedAsVariable", SessionStateStrings.ProviderCannotBeUsedAsVariable, provider, variablePath.QualifiedName, exception, false);
}
catch (NotSupportedException exception2)
{
ProviderInfo info2 = null;
this.Globber.GetProviderPath(variablePath.QualifiedName, out info2);
throw this.NewProviderInvocationException("ProviderCannotBeUsedAsVariable", SessionStateStrings.ProviderCannotBeUsedAsVariable, info2, variablePath.QualifiedName, exception2, false);
}
if ((contentWriter == null) || (contentWriter.Count == 0))
{
ItemNotFoundException exception3 = new ItemNotFoundException(variablePath.QualifiedName, "PathNotFound", SessionStateStrings.PathNotFound);
throw exception3;
}
if (contentWriter.Count > 1)
{
foreach (IContentWriter writer in contentWriter)
{
writer.Close();
}
PSArgumentException e = PSTraceSource.NewArgumentException("path", "SessionStateStrings", "VariablePathResolvedToMultiple", new object[] { variablePath.QualifiedName });
ProviderInfo info3 = null;
this.Globber.GetProviderPath(variablePath.QualifiedName, out info3);
throw this.NewProviderInvocationException("ProviderVariableSyntaxInvalid", SessionStateStrings.ProviderVariableSyntaxInvalid, info3, variablePath.QualifiedName, e);
}
IContentWriter writer2 = contentWriter[0];
IList content = newValue as IList;
if (content == null)
{
content = new object[] { newValue };
}
try
{
writer2.Write(content);
}
catch (Exception exception5)
{
ProviderInfo info4 = null;
this.Globber.GetProviderPath(variablePath.QualifiedName, out info4);
CommandProcessorBase.CheckForSevereException(exception5);
ProviderInvocationException exception6 = new ProviderInvocationException("ProviderContentWriteError", SessionStateStrings.ProviderContentWriteError, info4, variablePath.QualifiedName, exception5);
throw exception6;
}
finally
{
writer2.Close();
}
return null;
}
internal PathInfoStack SetDefaultLocationStack(string stackName)
{
if (string.IsNullOrEmpty(stackName))
{
stackName = "default";
}
if (!this.workingLocationStack.ContainsKey(stackName))
{
if (string.Equals(stackName, "default", StringComparison.OrdinalIgnoreCase))
{
return new PathInfoStack("default", new Stack<PathInfo>());
}
ItemNotFoundException exception = new ItemNotFoundException(stackName, "StackNotFound", SessionStateStrings.PathNotFound);
throw exception;
}
this.defaultStackName = stackName;
Stack<PathInfo> locationStack = this.workingLocationStack[this.defaultStackName];
if (locationStack != null)
{
return new PathInfoStack(this.defaultStackName, locationStack);
}
return null;
}
internal void GetChildNames(string path, ReturnContainers returnContainers, bool recurse, CmdletProviderContext context)
{
if (path == null)
{
throw PSTraceSource.NewArgumentNullException("path");
}
Collection<WildcardPattern> includeMatcher = SessionStateUtilities.CreateWildcardsFromStrings(context.Include, WildcardOptions.IgnoreCase);
Collection<WildcardPattern> excludeMatcher = SessionStateUtilities.CreateWildcardsFromStrings(context.Exclude, WildcardOptions.IgnoreCase);
if (LocationGlobber.ShouldPerformGlobbing(path, context))
{
ProviderInfo info = null;
CmdletProvider providerInstance = null;
CmdletProviderContext context2 = new CmdletProviderContext(context);
context2.SetFilters(new Collection<string>(), new Collection<string>(), null);
Collection<string> collection3 = this.Globber.GetGlobbedProviderPathsFromMonadPath(path, false, context2, out info, out providerInstance);
if (context2.Drive != null)
{
context.Drive = context2.Drive;
}
bool flag = LocationGlobber.StringContainsGlobCharacters(path);
foreach (string str in collection3)
{
if (context.Stopping)
{
break;
}
if ((!flag || recurse) && this.IsItemContainer(providerInstance, str, context))
{
this.DoGetChildNamesManually(providerInstance, str, string.Empty, returnContainers, includeMatcher, excludeMatcher, context, recurse);
}
else if (providerInstance is NavigationCmdletProvider)
{
string text = this.GetChildName(providerInstance, str, context, false);
bool flag2 = SessionStateUtilities.MatchesAnyWildcardPattern(text, includeMatcher, true);
bool flag3 = SessionStateUtilities.MatchesAnyWildcardPattern(text, excludeMatcher, false);
if (flag2 && !flag3)
{
context.WriteObject(text);
}
}
else
{
context.WriteObject(str);
}
}
}
else
{
ProviderInfo provider = null;
PSDriveInfo drive = null;
string str3 = this.Globber.GetProviderPath(path, context, out provider, out drive);
ContainerCmdletProvider containerProviderInstance = this.GetContainerProviderInstance(provider);
if (drive != null)
{
context.Drive = drive;
}
if (!containerProviderInstance.ItemExists(str3, context))
{
ItemNotFoundException exception = new ItemNotFoundException(str3, "PathNotFound", SessionStateStrings.PathNotFound);
throw exception;
}
if (recurse)
{
this.DoGetChildNamesManually(containerProviderInstance, str3, string.Empty, returnContainers, includeMatcher, excludeMatcher, context, recurse);
}
else
{
this.GetChildNames(containerProviderInstance, str3, returnContainers, context);
}
}
}
internal void GetChildItems(string path, bool recurse, CmdletProviderContext context)
{
if (path == null)
{
throw PSTraceSource.NewArgumentNullException("path");
}
if (context == null)
{
throw PSTraceSource.NewArgumentNullException("context");
}
ProviderInfo info = null;
if (recurse || LocationGlobber.ShouldPerformGlobbing(path, context))
{
bool flag = false;
try
{
if ((recurse && ((context.Include == null) || (context.Include.Count == 0))) && (!string.IsNullOrEmpty(path) && !this.IsItemContainer(path)))
{
string childName = this.GetChildName(path, context);
if (!string.Equals(childName, "*", StringComparison.OrdinalIgnoreCase) && (context.Include != null))
{
context.Include.Add(childName);
flag = true;
}
path = path.Substring(0, path.Length - childName.Length);
}
Collection<string> include = context.Include;
Collection<string> exclude = context.Exclude;
string filter = context.Filter;
if (recurse)
{
context.SetFilters(new Collection<string>(), new Collection<string>(), null);
}
CmdletProvider providerInstance = null;
Collection<string> collection3 = null;
try
{
collection3 = this.Globber.GetGlobbedProviderPathsFromMonadPath(path, false, context, out info, out providerInstance);
}
finally
{
context.SetFilters(include, exclude, filter);
}
if (recurse)
{
this.GetContainerProviderInstance(info);
}
bool flag2 = !LocationGlobber.StringContainsGlobCharacters(path);
if ((((recurse && !flag2) && ((include != null) && (include.Count == 0))) || ((include != null) && (include.Count > 0))) || ((exclude != null) && (exclude.Count > 0)))
{
foreach (string str4 in collection3)
{
if (context.Stopping)
{
return;
}
this.DoManualGetChildItems(providerInstance, str4, recurse, context, false);
}
}
else
{
foreach (string str5 in collection3)
{
if (context.Stopping)
{
return;
}
if ((flag2 || recurse) && this.IsItemContainer(providerInstance, str5, context))
{
this.GetChildItems(providerInstance, str5, recurse, context);
}
else
{
this.GetItemPrivate(providerInstance, str5, context);
}
}
}
}
finally
{
if (flag)
{
context.Include.Clear();
}
}
}
else
{
PSDriveInfo drive = null;
path = this.Globber.GetProviderPath(path, context, out info, out drive);
if (drive != null)
{
context.Drive = drive;
}
ContainerCmdletProvider containerProviderInstance = this.GetContainerProviderInstance(info);
if ((path != null) && this.ItemExists(containerProviderInstance, path, context))
{
if (this.IsItemContainer(containerProviderInstance, path, context))
{
this.GetChildItems(containerProviderInstance, path, recurse, context);
}
else
{
this.GetItemPrivate(containerProviderInstance, path, context);
}
}
else
{
ItemNotFoundException exception = new ItemNotFoundException(path, "PathNotFound", SessionStateStrings.PathNotFound);
throw exception;
}
}
}
/// <summary>
/// Removes the matching variables from the specified scope
/// </summary>
///
protected override void ProcessRecord()
{
// Removal of variables only happens in the local scope if the
// scope wasn't explicitly specified by the user.
if (Scope == null)
{
Scope = "local";
}
foreach (string varName in Name)
{
// First look for existing variables to set.
bool wasFiltered = false;
List<PSVariable> matchingVariables =
GetMatchingVariables(varName, Scope, out wasFiltered, /* quiet */ false);
if (matchingVariables.Count == 0 && !wasFiltered)
{
// Since the variable wasn't found and no glob
// characters were specified, write an error.
ItemNotFoundException itemNotFound =
new ItemNotFoundException(
varName,
"VariableNotFound",
SessionStateStrings.VariableNotFound);
WriteError(
new ErrorRecord(
itemNotFound.ErrorRecord,
itemNotFound));
continue;
}
foreach (PSVariable matchingVariable in matchingVariables)
{
// Since the variable doesn't exist or -Force was specified,
// Call should process to validate the set with the user.
string action = VariableCommandStrings.RemoveVariableAction;
string target = StringUtil.Format(VariableCommandStrings.RemoveVariableTarget, matchingVariable.Name);
if (ShouldProcess(target, action))
{
try
{
if (String.IsNullOrEmpty(Scope))
{
SessionState.Internal.RemoveVariable(matchingVariable, _force);
}
else
{
SessionState.Internal.RemoveVariableAtScope(matchingVariable, Scope, _force);
}
}
catch (SessionStateException sessionStateException)
{
WriteError(
new ErrorRecord(
sessionStateException.ErrorRecord,
sessionStateException));
}
catch (PSArgumentException argException)
{
WriteError(
new ErrorRecord(
argException.ErrorRecord,
argException));
}
}
}
}
} // ProcessRecord
} // GetGlobbedMonadPathsFromMonadPath
/// <summary>
/// Converts a PowerShell path containing glob characters to PowerShell paths that match
/// the glob string.
/// </summary>
///
/// <param name="path">
/// A PowerShell path containing glob characters.
/// </param>
///
/// <param name="allowNonexistingPaths">
/// If true, a ItemNotFoundException will not be thrown for non-existing
/// paths. Instead an appropriate path will be returned as if it did exist.
/// </param>
///
/// <param name="context">
/// The context under which the command is running.
/// </param>
///
/// <param name="providerInstance">
/// The instance of the provider used to resolve the path.
/// </param>
///
/// <returns>
/// The PowerShell paths that match the glob string.
/// </returns>
///
/// <exception cref="ArgumentNullException">
/// If <paramref name="path"/> or <paramref name="context"/> is null.
/// </exception>
///
/// <exception cref="ProviderNotFoundException">
/// If <paramref name="path"/> is a provider-qualified path
/// and the specified provider does not exist.
/// </exception>
///
/// <exception cref="ProviderInvocationException">
/// If the provider throws an exception when its MakePath gets
/// called.
/// </exception>
///
/// <exception cref="NotSupportedException">
/// If the provider does not support multiple items.
/// </exception>
///
/// <exception cref="InvalidOperationException">
/// If the home location for the provider is not set and
/// <paramref name="path"/> starts with a "~".
/// </exception>
///
/// <exception cref="ItemNotFoundException">
/// If <paramref name="path"/> does not contain glob characters and
/// could not be found.
/// </exception>
///
/// <exception cref="PipelineStoppedException">
/// If <paramref name="context"/> has been signaled for
/// StopProcessing.
/// </exception>
///
internal Collection<PathInfo> GetGlobbedMonadPathsFromMonadPath(
string path,
bool allowNonexistingPaths,
CmdletProviderContext context,
out CmdletProvider providerInstance)
{
providerInstance = null;
if (path == null)
{
throw PSTraceSource.NewArgumentNullException("path");
}
if (context == null)
{
throw PSTraceSource.NewArgumentNullException("context");
}
Collection<PathInfo> result;
using (s_pathResolutionTracer.TraceScope("Resolving MSH path \"{0}\" to MSH path", path))
{
TraceFilters(context);
// First check to see if the path starts with a ~ (home)
if (IsHomePath(path))
{
using (s_pathResolutionTracer.TraceScope("Resolving HOME relative path."))
{
path = GetHomeRelativePath(path);
}
}
// Now determine how to parse the path
bool isProviderDirectPath = IsProviderDirectPath(path);
bool isProviderQualifiedPath = IsProviderQualifiedPath(path);
if (isProviderDirectPath || isProviderQualifiedPath)
{
result =
ResolvePSPathFromProviderPath(
path,
context,
allowNonexistingPaths,
isProviderDirectPath,
isProviderQualifiedPath,
out providerInstance);
}
else
{
result =
ResolveDriveQualifiedPath(
path,
context,
allowNonexistingPaths,
out providerInstance);
}
if (!allowNonexistingPaths &&
result.Count < 1 &&
!WildcardPattern.ContainsWildcardCharacters(path) &&
(context.Include == null || context.Include.Count == 0) &&
(context.Exclude == null || context.Exclude.Count == 0))
{
// Since we are not globbing, throw an exception since
// the path doesn't exist
ItemNotFoundException pathNotFound =
new ItemNotFoundException(
path,
"PathNotFound",
SessionStateStrings.PathNotFound);
s_pathResolutionTracer.TraceError("Item does not exist: {0}", path);
throw pathNotFound;
}
}
return result;
} // GetGlobbedMonadPathsFromMonadPath
/// <summary>
/// Implements ProcessRecord() method for get-variable's command.
/// </summary>
protected override void ProcessRecord()
{
foreach (string varName in _name)
{
bool wasFiltered = false;
List<PSVariable> matchingVariables =
GetMatchingVariables(varName, Scope, out wasFiltered, /*quiet*/ false);
matchingVariables.Sort(
delegate (PSVariable left, PSVariable right)
{
return StringComparer.CurrentCultureIgnoreCase.Compare(left.Name, right.Name);
});
bool matchFound = false;
foreach (PSVariable matchingVariable in matchingVariables)
{
matchFound = true;
if (_valueOnly)
{
WriteObject(matchingVariable.Value);
}
else
{
WriteObject(matchingVariable);
}
}
if (!matchFound && !wasFiltered)
{
ItemNotFoundException itemNotFound =
new ItemNotFoundException(
varName,
"VariableNotFound",
SessionStateStrings.VariableNotFound);
WriteError(
new ErrorRecord(
itemNotFound.ErrorRecord,
itemNotFound));
}
}
}
} // IsShellVirtualDrive
/// <summary>
/// Gets a provider specific path that represents the specified path and is relative
/// to the root of the PowerShell drive.
/// </summary>
///
/// <param name="path">
/// Can be a relative or absolute path.
/// </param>
///
/// <param name="context">
/// The context which the core command is running.
/// </param>
///
/// <param name="escapeCurrentLocation">
/// Escape the wildcards in the current location. Use when this path will be
/// passed through globbing.
/// </param>
///
/// <param name="workingDriveForPath">
/// This out parameter returns the drive that was specified
/// by the <paramref name="path" />. If <paramref name="path"/> is
/// an absolute path this value may be something other than
/// the current working drive.
///
/// If the path refers to a non-existent drive, this parameter is set to null, and an exception is thrown.
///
/// </param>
///
/// <param name="providerInstance">
/// The provider instance that was used.
/// </param>
///
/// <returns>
/// A provider specific relative path to the root of the drive.
/// </returns>
///
/// <remarks>
/// The path is parsed to determine if it is a relative path to the
/// current working drive or if it is an absolute path. If
/// it is a relative path the provider specific path is generated using the current
/// working directory, the drive root, and the path specified.
/// If the path is an absolute path the provider specific path is generated by stripping
/// of anything before the : and using that to find the appropriate
/// drive. The provider specific path is then generated the same as the
/// relative path using the specified drive instead of the
/// current working drive.
///
/// This is internal so that it can be called from SessionState
/// </remarks>
///
/// <exception cref="ArgumentNullException">
/// If <paramref name="path" /> is null.
/// </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 specified by <paramref name="providerId"/> threw an
/// exception when its GetParentPath or MakePath was called while
/// processing the <paramref name="path"/>.
/// </exception>
///
/// <exception cref="NotSupportedException">
/// If the provider is not a NavigationCmdletProvider.
/// </exception>
///
/// <exception cref="PipelineStoppedException">
/// If <paramref name="context"/> has been signaled for
/// StopProcessing.
/// </exception>
///
internal string GetDriveRootRelativePathFromPSPath(
string path,
CmdletProviderContext context,
bool escapeCurrentLocation,
out PSDriveInfo workingDriveForPath,
out CmdletProvider providerInstance)
{
// Verify parameters
if (path == null)
{
throw PSTraceSource.NewArgumentNullException("path");
}
workingDriveForPath = null;
string driveName = null;
if (_sessionState.Drive.Current != null)
{
driveName = _sessionState.Drive.Current.Name;
}
// Check to see if the path is relative or absolute
bool isPathForCurrentDrive = false;
if (IsAbsolutePath(path, out driveName))
{
Dbg.Diagnostics.Assert(
driveName != null,
"IsAbsolutePath should be returning the drive name");
s_tracer.WriteLine(
"Drive Name: {0}",
driveName);
// This will resolve $GLOBAL, and $LOCAL as needed.
// This throws DriveNotFoundException if a drive of the specified
// name does not exist. Just let the exception propagate out.
try
{
workingDriveForPath = _sessionState.Drive.Get(driveName);
}
catch (DriveNotFoundException)
{
// Check to see if it is a path relative to the
// current drive's root. This is true when a drive root
// appears to be a drive (like HTTP://). The drive will not
// actually exist, but this is not an absolute path.
if (_sessionState.Drive.Current == null)
{
throw;
}
string normalizedRoot = _sessionState.Drive.Current.Root.Replace(
StringLiterals.AlternatePathSeparator, StringLiterals.DefaultPathSeparator);
if (normalizedRoot.IndexOf(":", StringComparison.CurrentCulture) >= 0)
{
string normalizedPath = path.Replace(StringLiterals.AlternatePathSeparator, StringLiterals.DefaultPathSeparator);
if (normalizedPath.StartsWith(normalizedRoot, StringComparison.OrdinalIgnoreCase))
{
isPathForCurrentDrive = true;
path = path.Substring(normalizedRoot.Length);
path = path.TrimStart(StringLiterals.DefaultPathSeparator);
path = StringLiterals.DefaultPathSeparator + path;
workingDriveForPath = _sessionState.Drive.Current;
}
}
if (!isPathForCurrentDrive)
{
throw;
}
}
// Now hack off the drive component of the path
if (!isPathForCurrentDrive)
{
// This functionality needs to respect if a drive uses a colon to separate the path
//
// what happens here is this:
// - path is assumed to be drive root relative, so on Windows it would start with a
// \
// - on Linux, there is no difference between drive root relative, and absolute, they
// are both the same, so we have to preserve the drive here in order to make
// sure the path will continue being drive root relative
if (workingDriveForPath.VolumeSeparatedByColon)
{
// this is the default behavior for all windows drives, and all non-filesystem
// drives on non-windows
path = path.Substring(driveName.Length + 1);
}
}
}
else
{
// it's a relative path, so the working drive is the current drive
workingDriveForPath = _sessionState.Drive.Current;
}
if (workingDriveForPath == null)
{
ItemNotFoundException pathNotFound =
new ItemNotFoundException(
path,
"PathNotFound",
SessionStateStrings.PathNotFound);
s_pathResolutionTracer.TraceError("Item does not exist: {0}", path);
throw pathNotFound;
}
try
{
providerInstance =
_sessionState.Internal.GetContainerProviderInstance(workingDriveForPath.Provider);
// Add the drive info to the context so that downstream methods
// have access to it.
context.Drive = workingDriveForPath;
string relativePath =
GenerateRelativePath(
workingDriveForPath,
path,
escapeCurrentLocation,
providerInstance,
context);
return relativePath;
}
catch (PSNotSupportedException)
{
// If it's really not a container provider, the relative path will
// always be empty
providerInstance = null;
return "";
}
} // GetDriveRootRelativePathFromPSPath
private Collection<string> ResolveProviderPathFromProviderPath(string providerPath, string providerId, bool allowNonexistingPaths, CmdletProviderContext context, out CmdletProvider providerInstance)
{
providerInstance = this.sessionState.Internal.GetProviderInstance(providerId);
ContainerCmdletProvider containerProvider = providerInstance as ContainerCmdletProvider;
ItemCmdletProvider provider2 = providerInstance as ItemCmdletProvider;
Collection<string> collection = new Collection<string>();
if (!context.SuppressWildcardExpansion)
{
if (CmdletProviderManagementIntrinsics.CheckProviderCapabilities(ProviderCapabilities.ExpandWildcards, providerInstance.ProviderInfo))
{
pathResolutionTracer.WriteLine("Wildcard matching is being performed by the provider.", new object[0]);
if ((provider2 != null) && WildcardPattern.ContainsWildcardCharacters(providerPath))
{
collection = new Collection<string>(provider2.ExpandPath(providerPath, context));
}
else
{
collection.Add(providerPath);
}
}
else
{
pathResolutionTracer.WriteLine("Wildcard matching is being performed by the engine.", new object[0]);
if (containerProvider != null)
{
collection = this.GetGlobbedProviderPathsFromProviderPath(providerPath, allowNonexistingPaths, containerProvider, context);
}
else
{
collection.Add(providerPath);
}
}
}
else if (provider2 != null)
{
if (allowNonexistingPaths || provider2.ItemExists(providerPath, context))
{
collection.Add(providerPath);
}
}
else
{
collection.Add(providerPath);
}
if (((allowNonexistingPaths || (collection.Count >= 1)) || WildcardPattern.ContainsWildcardCharacters(providerPath)) || ((context.Include != null) && (context.Include.Count != 0)))
{
return collection;
}
if ((context.Exclude != null) && (context.Exclude.Count != 0))
{
return collection;
}
ItemNotFoundException exception = new ItemNotFoundException(providerPath, "PathNotFound", SessionStateStrings.PathNotFound);
pathResolutionTracer.TraceError("Item does not exist: {0}", new object[] { providerPath });
throw exception;
}
} // GetGlobbedMonadPathsFromMonadPath
private Collection<string> ResolveProviderPathFromProviderPath(
string providerPath,
string providerId,
bool allowNonexistingPaths,
CmdletProviderContext context,
out CmdletProvider providerInstance
)
{
// Check the provider capabilities before globbing
providerInstance = _sessionState.Internal.GetProviderInstance(providerId);
ContainerCmdletProvider containerCmdletProvider = providerInstance as ContainerCmdletProvider;
ItemCmdletProvider itemProvider = providerInstance as ItemCmdletProvider;
Collection<string> stringResult = new Collection<string>();
if (!context.SuppressWildcardExpansion)
{
// See if the provider will expand the wildcard
if (CmdletProviderManagementIntrinsics.CheckProviderCapabilities(
ProviderCapabilities.ExpandWildcards,
providerInstance.ProviderInfo))
{
s_pathResolutionTracer.WriteLine("Wildcard matching is being performed by the provider.");
// Only do the expansion if the path actually contains wildcard
// characters.
if ((itemProvider != null) &&
(WildcardPattern.ContainsWildcardCharacters(providerPath)))
{
stringResult = new Collection<string>(itemProvider.ExpandPath(providerPath, context));
}
else
{
stringResult.Add(providerPath);
}
}
else
{
s_pathResolutionTracer.WriteLine("Wildcard matching is being performed by the engine.");
if (containerCmdletProvider != null)
{
// Since it is really a provider-internal path, use provider-to-provider globbing
// and then add back on the provider ID.
stringResult =
GetGlobbedProviderPathsFromProviderPath(
providerPath,
allowNonexistingPaths,
containerCmdletProvider,
context);
}
else
{
// For simple CmdletProvider instances, we can't resolve the paths any
// further, so just return the providerPath
stringResult.Add(providerPath);
}
}
}
// They are suppressing wildcard expansion
else
{
if (itemProvider != null)
{
if (allowNonexistingPaths || itemProvider.ItemExists(providerPath, context))
{
stringResult.Add(providerPath);
}
}
else
{
stringResult.Add(providerPath);
}
}
// Make sure this resolved to something
if ((!allowNonexistingPaths) &&
stringResult.Count < 1 &&
!WildcardPattern.ContainsWildcardCharacters(providerPath) &&
(context.Include == null || context.Include.Count == 0) &&
(context.Exclude == null || context.Exclude.Count == 0))
{
ItemNotFoundException pathNotFound =
new ItemNotFoundException(
providerPath,
"PathNotFound",
SessionStateStrings.PathNotFound);
s_pathResolutionTracer.TraceError("Item does not exist: {0}", providerPath);
throw pathNotFound;
}
return stringResult;
}
internal Collection<string> ExpandGlobPath(string path, bool allowNonexistingPaths, ContainerCmdletProvider provider, CmdletProviderContext context)
{
if (path == null)
{
throw PSTraceSource.NewArgumentNullException("path");
}
if (provider == null)
{
throw PSTraceSource.NewArgumentNullException("provider");
}
string updatedPath = null;
string updatedFilter = null;
string filter = context.Filter;
bool flag = provider.ConvertPath(path, context.Filter, ref updatedPath, ref updatedFilter, context);
if (flag)
{
tracer.WriteLine("Provider converted path and filter.", new object[0]);
tracer.WriteLine("Original path: " + path, new object[0]);
tracer.WriteLine("Converted path: " + updatedPath, new object[0]);
tracer.WriteLine("Original filter: " + context.Filter, new object[0]);
tracer.WriteLine("Converted filter: " + updatedFilter, new object[0]);
path = updatedPath;
filter = context.Filter;
}
NavigationCmdletProvider provider2 = provider as NavigationCmdletProvider;
tracer.WriteLine("path = {0}", new object[] { path });
Collection<string> collection = new Collection<string>();
using (pathResolutionTracer.TraceScope("EXPANDING WILDCARDS", new object[0]))
{
if (ShouldPerformGlobbing(path, context))
{
StringCollection currentDirs = new StringCollection();
Stack<string> stack = new Stack<string>();
using (pathResolutionTracer.TraceScope("Tokenizing path", new object[0]))
{
while (StringContainsGlobCharacters(path))
{
if (context.Stopping)
{
throw new PipelineStoppedException();
}
string childName = path;
if (provider2 != null)
{
childName = provider2.GetChildName(path, context);
}
if (string.IsNullOrEmpty(childName))
{
break;
}
tracer.WriteLine("Pushing leaf element: {0}", new object[] { childName });
pathResolutionTracer.WriteLine("Leaf element: {0}", new object[] { childName });
stack.Push(childName);
if (provider2 != null)
{
string root = string.Empty;
if (context != null)
{
PSDriveInfo drive = context.Drive;
if (drive != null)
{
root = drive.Root;
}
}
string a = provider2.GetParentPath(path, root, context);
if (string.Equals(a, path, StringComparison.OrdinalIgnoreCase))
{
throw PSTraceSource.NewInvalidOperationException("SessionStateStrings", "ProviderImplementationInconsistent", new object[] { provider.ProviderInfo.Name, path });
}
path = a;
}
else
{
path = string.Empty;
}
tracer.WriteLine("New path: {0}", new object[] { path });
pathResolutionTracer.WriteLine("Parent path: {0}", new object[] { path });
}
tracer.WriteLine("Base container path: {0}", new object[] { path });
if (stack.Count == 0)
{
string str7 = path;
if (provider2 != null)
{
str7 = provider2.GetChildName(path, context);
if (!string.IsNullOrEmpty(str7))
{
path = provider2.GetParentPath(path, null, context);
}
}
else
{
path = string.Empty;
}
stack.Push(str7);
pathResolutionTracer.WriteLine("Leaf element: {0}", new object[] { str7 });
}
pathResolutionTracer.WriteLine("Root path of resolution: {0}", new object[] { path });
}
currentDirs.Add(path);
while (stack.Count > 0)
{
if (context.Stopping)
{
throw new PipelineStoppedException();
}
string leafElement = stack.Pop();
currentDirs = this.GenerateNewPathsWithGlobLeaf(currentDirs, leafElement, stack.Count == 0, provider, context);
if (stack.Count > 0)
{
using (pathResolutionTracer.TraceScope("Checking matches to ensure they are containers", new object[0]))
{
int index = 0;
while (index < currentDirs.Count)
{
if (context.Stopping)
{
throw new PipelineStoppedException();
}
if ((provider2 != null) && !provider2.IsItemContainer(currentDirs[index], context))
{
tracer.WriteLine("Removing {0} because it is not a container", new object[] { currentDirs[index] });
pathResolutionTracer.WriteLine("{0} is not a container", new object[] { currentDirs[index] });
currentDirs.RemoveAt(index);
}
else if (provider2 != null)
{
pathResolutionTracer.WriteLine("{0} is a container", new object[] { currentDirs[index] });
index++;
}
}
continue;
}
}
}
foreach (string str9 in currentDirs)
{
pathResolutionTracer.WriteLine("RESOLVED PATH: {0}", new object[] { str9 });
collection.Add(str9);
}
}
else
{
string str10 = context.SuppressWildcardExpansion ? path : RemoveGlobEscaping(path);
if (allowNonexistingPaths || provider.ItemExists(str10, context))
{
pathResolutionTracer.WriteLine("RESOLVED PATH: {0}", new object[] { str10 });
collection.Add(str10);
}
else
{
ItemNotFoundException exception2 = new ItemNotFoundException(path, "PathNotFound", SessionStateStrings.PathNotFound);
pathResolutionTracer.TraceError("Item does not exist: {0}", new object[] { path });
throw exception2;
}
}
}
if (flag)
{
context.Filter = filter;
}
return collection;
}
} // GenerateNewPSPathsWithGlobLeaf
/// <summary>
/// Generates an array of provider specific paths from the single provider specific
/// path using globing rules.
/// </summary>
///
/// <param name="path">
/// A path that may or may not contain globing characters.
/// </param>
///
/// <param name="allowNonexistingPaths">
/// If true, a ItemNotFoundException will not be thrown for non-existing
/// paths. Instead an appropriate path will be returned as if it did exist.
/// </param>
///
/// <param name="provider">
/// The provider that implements the namespace for the path that we are globing over.
/// </param>
///
/// <param name="context">
/// The context the provider uses when performing the operation.
/// </param>
///
/// <returns>
/// An array of path strings that match the globing rules applied to the path parameter.
/// </returns>
///
/// <remarks>
/// First the path is checked to see if it contains any globing characters ('?' or '*').
/// If it doesn't then the path is returned as the only element in the array.
/// If it does, GetParentPath and GetLeafPathName is called on the path and each element
/// is stored until the path doesn't contain any globing characters. At that point
/// GetChildPathNames() is called on the provider with the last parent path that doesn't
/// contain a globing character. All the results are then matched against leaf element
/// of that parent path (which did contain a glob character). We then walk out of the
/// recursion and apply the same procedure to each leaf element that contained globing
/// characters.
///
/// The procedure above allows us to match globing strings in multiple sub-containers
/// in the namespace without having to have knowledge of the namespace paths, or
/// their syntax.
///
/// Example:
/// dir c:\foo\*\bar\*a??.cs
///
/// Calling this method for the path above would return all files that end in 'a' and
/// any other two characters followed by ".cs" in all the subdirectories of
/// foo that have a bar subdirectory.
///
/// </remarks>
///
/// <exception cref="ArgumentNullException">
/// If <paramref name="path"/> or <paramref name="provider"/> is null.
/// </exception>
///
///
/// <exception cref="ProviderInvocationException">
/// If the provider used to build the path threw an exception.
/// </exception>
///
/// <exception cref="InvalidOperationException">
/// If the <paramref name="path"/> starts with "~" and the home location is not set for
/// the provider.
/// or if the provider is implemented in such a way as to cause the globber to go
/// into an infinite loop.
/// </exception>
///
/// <exception cref="PipelineStoppedException">
/// If <paramref name="context"/> has been signaled for
/// StopProcessing.
/// </exception>
///
/// <exception>
/// Any exception can be thrown by the provider that is called to build
/// the provider path.
/// </exception>
///
internal Collection<string> ExpandGlobPath(
string path,
bool allowNonexistingPaths,
ContainerCmdletProvider provider,
CmdletProviderContext context)
{
if (path == null)
{
throw PSTraceSource.NewArgumentNullException("path");
}
if (provider == null)
{
throw PSTraceSource.NewArgumentNullException("provider");
}
// See if the provider wants to convert the path and filter
string convertedPath = null;
string convertedFilter = null;
string originalFilter = context.Filter;
bool changedPathOrFilter = provider.ConvertPath(path, context.Filter, ref convertedPath, ref convertedFilter, context);
if (changedPathOrFilter)
{
if (s_tracer.IsEnabled)
{
s_tracer.WriteLine("Provider converted path and filter.");
s_tracer.WriteLine("Original path: {0}", path);
s_tracer.WriteLine("Converted path: {0}", convertedPath);
s_tracer.WriteLine("Original filter: {0}", context.Filter);
s_tracer.WriteLine("Converted filter: {0}", convertedFilter);
}
path = convertedPath;
originalFilter = context.Filter;
}
NavigationCmdletProvider navigationProvider = provider as NavigationCmdletProvider;
s_tracer.WriteLine("path = {0}", path);
Collection<string> result = new Collection<string>();
using (s_pathResolutionTracer.TraceScope("EXPANDING WILDCARDS"))
{
if (ShouldPerformGlobbing(path, context))
{
// This collection contains the directories for which a leaf is being added.
// If the directories are being globed over as well, then there will be
// many directories in this collection which will have to be iterated over
// every time there is a child being added
List<string> dirs = new List<string>();
// Each leaf element that is pulled off the path is pushed on the stack in
// order such that we can generate the path again.
Stack<String> leafElements = new Stack<String>();
using (s_pathResolutionTracer.TraceScope("Tokenizing path"))
{
// If the path contains glob characters then iterate through pulling the
// leaf elements off and pushing them on to the leafElements stack until
// there are no longer any glob characters in the path.
while (StringContainsGlobCharacters(path))
{
// Make sure to obey StopProcessing
if (context.Stopping)
{
throw new PipelineStoppedException();
}
// Use the provider to get the leaf element string
string leafElement = path;
if (navigationProvider != null)
{
leafElement = navigationProvider.GetChildName(path, context);
}
if (String.IsNullOrEmpty(leafElement))
{
break;
}
s_tracer.WriteLine("Pushing leaf element: {0}", leafElement);
s_pathResolutionTracer.WriteLine("Leaf element: {0}", leafElement);
// Push the leaf element onto the leaf element stack for future use
leafElements.Push(leafElement);
// Now use the parent path for the next iteration
if (navigationProvider != null)
{
// See if we can get the root from the context
string root = String.Empty;
if (context != null)
{
PSDriveInfo drive = context.Drive;
if (drive != null)
{
root = drive.Root;
}
}
// Now call GetParentPath with the root
string newParentPath = navigationProvider.GetParentPath(path, root, context);
if (String.Equals(
newParentPath,
path,
StringComparison.OrdinalIgnoreCase))
{
// The provider is implemented in an inconsistent way.
// GetChildName returned a non-empty/non-null result but
// GetParentPath with the same path returns the same path.
// This would cause the globber to go into an infinite loop,
// so instead an exception is thrown.
PSInvalidOperationException invalidOperation =
PSTraceSource.NewInvalidOperationException(
SessionStateStrings.ProviderImplementationInconsistent,
provider.ProviderInfo.Name,
path);
throw invalidOperation;
}
path = newParentPath;
}
else
{
// If the provider doesn't implement NavigationCmdletProvider then at most
// it can have only one segment in its path. So after removing
// the leaf all we have left is the empty string.
path = String.Empty;
}
s_tracer.WriteLine("New path: {0}", path);
s_pathResolutionTracer.WriteLine("Parent path: {0}", path);
}
s_tracer.WriteLine("Base container path: {0}", path);
// If no glob elements were found there must be an include and/or
// exclude specified. Use the parent path to iterate over to
// resolve the include/exclude filters
if (leafElements.Count == 0)
{
string leafElement = path;
if (navigationProvider != null)
{
leafElement = navigationProvider.GetChildName(path, context);
if (!String.IsNullOrEmpty(leafElement))
{
path = navigationProvider.GetParentPath(path, null, context);
}
}
else
{
path = String.Empty;
}
leafElements.Push(leafElement);
s_pathResolutionTracer.WriteLine("Leaf element: {0}", leafElement);
}
s_pathResolutionTracer.WriteLine("Root path of resolution: {0}", path);
}
// Once the container path with no glob characters are found store it
// so that it's children can be iterated over.
dirs.Add(path);
// Reconstruct the path one leaf element at a time, expanding where-ever
// we encounter glob characters
while (leafElements.Count > 0)
{
// Make sure to obey StopProcessing
if (context.Stopping)
{
throw new PipelineStoppedException();
}
string leafElement = leafElements.Pop();
Dbg.Diagnostics.Assert(
leafElement != null,
"I am only pushing strings onto this stack so I should be able " +
"to cast any Pop to a string without failure.");
dirs =
GenerateNewPathsWithGlobLeaf(
dirs,
leafElement,
leafElements.Count == 0,
provider,
context);
// If there are more leaf elements in the stack we need
// to make sure that only containers where added to dirs
// in GenerateNewPathsWithGlobLeaf
if (leafElements.Count > 0)
{
using (s_pathResolutionTracer.TraceScope("Checking matches to ensure they are containers"))
{
int index = 0;
while (index < dirs.Count)
{
// Make sure to obey StopProcessing
if (context.Stopping)
{
throw new PipelineStoppedException();
}
// Check to see if the matching item is a container
if (navigationProvider != null &&
!navigationProvider.IsItemContainer(
dirs[index],
context))
{
// If not, remove it from the collection
s_tracer.WriteLine(
"Removing {0} because it is not a container",
dirs[index]);
s_pathResolutionTracer.WriteLine("{0} is not a container", dirs[index]);
dirs.RemoveAt(index);
}
else if (navigationProvider == null)
{
Dbg.Diagnostics.Assert(
navigationProvider != null,
"The path in the dirs should never be a container unless " +
"the provider implements the NavigationCmdletProvider interface. If it " +
"doesn't, there should be no more leafElements in the stack " +
"when this check is done");
}
else
{
s_pathResolutionTracer.WriteLine("{0} is a container", dirs[index]);
// If so, leave it and move on to the next one
++index;
}
}
}
}
} // while (leafElements.Count > 0)
Dbg.Diagnostics.Assert(
dirs != null,
"GenerateNewPathsWithGlobLeaf() should return the base path as an element " +
"even if there are no globing characters");
foreach (string dir in dirs)
{
s_pathResolutionTracer.WriteLine("RESOLVED PATH: {0}", dir);
result.Add(dir);
}
Dbg.Diagnostics.Assert(
dirs.Count == result.Count,
"The result of copying the globed strings should be the same " +
"as from the collection");
}
else
{
string unescapedPath = context.SuppressWildcardExpansion ? path : RemoveGlobEscaping(path);
if (allowNonexistingPaths ||
provider.ItemExists(unescapedPath, context))
{
s_pathResolutionTracer.WriteLine("RESOLVED PATH: {0}", unescapedPath);
result.Add(unescapedPath);
}
else
{
ItemNotFoundException pathNotFound =
new ItemNotFoundException(
path,
"PathNotFound",
SessionStateStrings.PathNotFound);
s_pathResolutionTracer.TraceError("Item does not exist: {0}", path);
throw pathNotFound;
}
}
}
Dbg.Diagnostics.Assert(
result != null,
"This method should at least return the path or more if it has glob characters");
if (changedPathOrFilter)
{
context.Filter = originalFilter;
}
return result;
} // ExpandGlobPath
internal Collection<PathInfo> GetGlobbedMonadPathsFromMonadPath (string path, bool allowNonexistingPaths, CmdletProviderContext context, out CmdletProvider providerInstance)
{
providerInstance = null;
if (path == null) {
throw PSTraceSource.NewArgumentNullException ("path");
}
if (context == null) {
throw PSTraceSource.NewArgumentNullException ("context");
}
Collection<PathInfo> collection = new Collection<PathInfo>();
using (pathResolutionTracer.TraceScope("Resolving MSH path \"{0}\" to MSH path", new object[] { path }))
{
TraceFilters(context);
if (IsHomePath(path))
{
using (pathResolutionTracer.TraceScope("Resolving HOME relative path.", new object[0]))
{
path = this.GetHomeRelativePath(path);
}
}
bool isProviderDirectPath = IsProviderDirectPath(path);
bool isProviderQualifiedPath = IsProviderQualifiedPath(path);
if (isProviderDirectPath || isProviderQualifiedPath)
{
collection = this.ResolvePSPathFromProviderPath(path, context, allowNonexistingPaths, isProviderDirectPath, isProviderQualifiedPath, out providerInstance);
}
else
{
collection = this.ResolveDriveQualifiedPath(path, context, allowNonexistingPaths, out providerInstance);
}
if (((allowNonexistingPaths || (collection.Count >= 1)) || WildcardPattern.ContainsWildcardCharacters(path)) || ((context.Include != null) && (context.Include.Count != 0)))
{
return collection;
}
if ((context.Exclude != null) && (context.Exclude.Count != 0))
{
return collection;
}
ItemNotFoundException exception = new ItemNotFoundException(path, "PathNotFound", SessionStateStrings.PathNotFound);
pathResolutionTracer.TraceError("Item does not exist: {0}", new object[] { path });
throw exception;
}
}
private Collection<PathInfo> ResolveDriveQualifiedPath(
string path,
CmdletProviderContext context,
bool allowNonexistingPaths,
out CmdletProvider providerInstance)
{
providerInstance = null;
PSDriveInfo drive = null;
Collection<PathInfo> result = new Collection<PathInfo>();
s_pathResolutionTracer.WriteLine("Path is DRIVE-QUALIFIED");
string relativePath = GetDriveRootRelativePathFromPSPath(path, context, true, out drive, out providerInstance);
Dbg.Diagnostics.Assert(
drive != null,
"GetDriveRootRelativePathFromPSPath should always return a valid drive");
Dbg.Diagnostics.Assert(
relativePath != null,
"There should always be a way to generate a provider path for a " +
"given path");
s_pathResolutionTracer.WriteLine("DRIVE-RELATIVE path: {0}", relativePath);
s_pathResolutionTracer.WriteLine("Drive: {0}", drive.Name);
s_pathResolutionTracer.WriteLine("Provider: {0}", drive.Provider);
// Associate the drive with the context
context.Drive = drive;
providerInstance = _sessionState.Internal.GetContainerProviderInstance(drive.Provider);
ContainerCmdletProvider containerCmdletProvider = providerInstance as ContainerCmdletProvider;
ItemCmdletProvider itemProvider = providerInstance as ItemCmdletProvider;
ProviderInfo provider = providerInstance.ProviderInfo;
string userPath = null;
string itemPath = null;
if (drive.Hidden)
{
userPath = GetProviderQualifiedPath(relativePath, provider);
itemPath = relativePath;
}
else
{
userPath = GetDriveQualifiedPath(relativePath, drive);
itemPath = GetProviderPath(path, context);
}
s_pathResolutionTracer.WriteLine("PROVIDER path: {0}", itemPath);
Collection<string> stringResult = new Collection<string>();
if (!context.SuppressWildcardExpansion)
{
// See if the provider will expand the wildcard
if (CmdletProviderManagementIntrinsics.CheckProviderCapabilities(
ProviderCapabilities.ExpandWildcards,
provider))
{
s_pathResolutionTracer.WriteLine("Wildcard matching is being performed by the provider.");
// Only do the expansion if the path actually contains wildcard
// characters.
if ((itemProvider != null) &&
(WildcardPattern.ContainsWildcardCharacters(relativePath)))
{
foreach (string pathResult in itemProvider.ExpandPath(itemPath, context))
{
stringResult.Add(
GetDriveRootRelativePathFromProviderPath(pathResult, drive, context));
}
}
else
{
stringResult.Add(GetDriveRootRelativePathFromProviderPath(itemPath, drive, context));
}
}
else
{
s_pathResolutionTracer.WriteLine("Wildcard matching is being performed by the engine.");
// Now perform the globbing
stringResult =
ExpandMshGlobPath(
relativePath,
allowNonexistingPaths,
drive,
containerCmdletProvider,
context);
}
}
// They are suppressing wildcard expansion
else
{
if (itemProvider != null)
{
if (allowNonexistingPaths || itemProvider.ItemExists(itemPath, context))
{
stringResult.Add(userPath);
}
}
else
{
stringResult.Add(userPath);
}
}
// Make sure this resolved to something
if ((!allowNonexistingPaths) &&
stringResult.Count < 1 &&
!WildcardPattern.ContainsWildcardCharacters(path) &&
(context.Include == null || context.Include.Count == 0) &&
(context.Exclude == null || context.Exclude.Count == 0))
{
ItemNotFoundException pathNotFound =
new ItemNotFoundException(
path,
"PathNotFound",
SessionStateStrings.PathNotFound);
s_pathResolutionTracer.TraceError("Item does not exist: {0}", path);
throw pathNotFound;
}
// Now fix the paths
foreach (string expandedPath in stringResult)
{
// Make sure to obey StopProcessing
if (context.Stopping)
{
throw new PipelineStoppedException();
}
// Add the drive back into the path
userPath = null;
if (drive.Hidden)
{
if (IsProviderDirectPath(expandedPath))
{
userPath = expandedPath;
}
else
{
userPath =
LocationGlobber.GetProviderQualifiedPath(
expandedPath,
provider);
}
}
else
{
userPath =
LocationGlobber.GetDriveQualifiedPath(
expandedPath,
drive);
}
result.Add(new PathInfo(drive, provider, userPath, _sessionState));
s_pathResolutionTracer.WriteLine("RESOLVED PATH: {0}", userPath);
}
return result;
}
internal static ErrorRecord CreatePathNotFoundErrorRecord(string path, string errorId)
{
ItemNotFoundException itemNotFoundException = new ItemNotFoundException(path, "PathNotFound", SessionStateStrings.PathNotFound);
ErrorRecord errorRecord = new ErrorRecord(itemNotFoundException, errorId, ErrorCategory.ObjectNotFound, null);
return errorRecord;
}
protected override void ProcessRecord()
{
IDictionary<string, AliasInfo> aliasTableAtScope = null;
if (!string.IsNullOrEmpty(this.scope))
{
aliasTableAtScope = base.SessionState.Internal.GetAliasTableAtScope(this.scope);
}
else
{
aliasTableAtScope = base.SessionState.Internal.GetAliasTable();
}
foreach (string str in this.names)
{
bool flag = false;
WildcardPattern pattern = new WildcardPattern(str, WildcardOptions.IgnoreCase);
CommandOrigin commandOrigin = base.MyInvocation.CommandOrigin;
foreach (KeyValuePair<string, AliasInfo> pair in aliasTableAtScope)
{
if (pattern.IsMatch(pair.Key) && SessionState.IsVisible(commandOrigin, (CommandInfo) pair.Value))
{
flag = true;
this.matchingAliases.Add(pair.Value);
}
}
if (!flag && !WildcardPattern.ContainsWildcardCharacters(str))
{
ItemNotFoundException replaceParentContainsErrorRecordException = new ItemNotFoundException(str, "AliasNotFound", SessionStateStrings.AliasNotFound);
base.WriteError(new ErrorRecord(replaceParentContainsErrorRecordException.ErrorRecord, replaceParentContainsErrorRecordException));
}
}
}