public bool HasChild(string path, bool force, bool literalPath)
{
var runtime = new ProviderRuntime(SessionState, force, literalPath);
var res = HasChild(path, runtime);
runtime.ThrowFirstErrorOrContinue();
return res;
}
public bool Exists(string path, bool force, bool literalPath)
{
var runtime = new ProviderRuntime(SessionState, force, literalPath);
bool result = Exists(path, runtime);
runtime.ThrowFirstErrorOrContinue();
return result;
}
public Collection<PSObject> Copy(string[] path, string destinationPath, bool recurse, CopyContainers copyContainers,
bool force, bool literalPath)
{
var runtime = new ProviderRuntime(SessionState, force, literalPath);
Copy(path, destinationPath, recurse, copyContainers, runtime);
return runtime.ThrowFirstErrorOrReturnResults();
}
public Collection<PathInfo> GetResolvedPSPathFromPSPath(string path)
{
var runtime = new ProviderRuntime(_sessionState);
var res = GetResolvedPSPathFromPSPath(new [] { path }, runtime);
runtime.ThrowFirstErrorOrContinue();
return res;
}
internal Collection <PSObject> GetChildItems(string path, bool recurse, ProviderRuntime providerRuntime)
{
if (string.IsNullOrEmpty(path))
{
path = CurrentLocation.Path;
}
CmdletProvider provider = GetProviderByPath(path);
if ((path != null) && (ItemExists(provider, path, providerRuntime)))
{
if (IsItemContainer(provider, path, providerRuntime))
{
ContainerCmdletProvider containerProvider = provider as ContainerCmdletProvider;
if (containerProvider != null)
{
containerProvider.GetChildItems(path, recurse, providerRuntime);
}
}
else
{
ItemCmdletProvider itemProvider = provider as ItemCmdletProvider;
if (itemProvider != null)
{
itemProvider.GetItem(path, providerRuntime);
}
}
}
return(providerRuntime.RetreiveAllProviderData());
}
public Collection<string> GetNames(string[] path, ReturnContainers returnContainers, bool recurse, bool force,
bool literalPath)
{
var runtime = new ProviderRuntime(SessionState, force, literalPath);
GetNames(path, returnContainers, recurse, runtime);
var packedResults = runtime.ThrowFirstErrorOrReturnResults();
var results = (from r in packedResults select r.ToString()).ToList();
return new Collection<string>(results);
}
Collection <string> BuiltInGlobbing(CmdletProvider provider, string path, ProviderRuntime runtime)
{
var containerProvider = CmdletProvider.As <ContainerCmdletProvider>(provider);
var ciIntrinsics = new ChildItemCmdletProviderIntrinsics(_sessionState);
// first we split the path into globbable components and put them on a stack to work with
var componentStack = PathToStack(containerProvider, path, runtime);
// we create a working list with partially globbed paths. each iteration will take all items from the
// list and add the newly globbed part
var workingPaths = new List <string>()
{
""
};
while (componentStack.Count > 0)
{
var partialPaths = new List <string>(workingPaths);
workingPaths.Clear();
var globComp = componentStack.Pop();
// check if the current stack component has wildcards. If not, simply append it to all partialPaths
// and add to workingPaths
if (!WildcardPattern.ContainsWildcardCharacters(globComp))
{
workingPaths.AddRange(from p in partialPaths select Path.Combine(containerProvider, p, globComp, runtime));
continue;
}
// otherwise get all childnames, check wildcard and combine the paths
var globWC = new WildcardPattern(globComp, WildcardOptions.IgnoreCase);
foreach (var partPath in partialPaths)
{
if (!containerProvider.ItemExists(partPath, runtime) ||
!containerProvider.HasChildItems(partPath, runtime))
{
// TODO: throw an error if there was no globbing already performed (then the first part of
// the path already did not exists as in a pattern like "/home/notExisting/*.txt"
continue;
}
// TODO: verify if we should only consider matching containers or all. maybe the filter won't
// apply to partial parts and we need to consider all
var childNames = ciIntrinsics.GetValidChildNames(containerProvider, partPath,
ReturnContainers.ReturnMatchingContainers, runtime);
// TODO: check if Include/Exclude also match partial parts, but i guess only complete ones
// add all combined path to the workingPaths for the next stack globbing iteration
workingPaths.AddRange(from c in childNames
where globWC.IsMatch(c)
select Path.Combine(containerProvider, partPath, c, runtime));
}
}
// now filter the working paths by include/exlude. last flag is false or we wouldn't be globbing
var filter = new IncludeExcludeFilter(runtime.Include, runtime.Exclude, false);
var globbedPaths = from p in workingPaths where filter.Accepts(p) select p;
return(new Collection <string>(globbedPaths.ToList()));
}
string GetProviderPathFromDriveQualifiedPath(string path, ProviderRuntime runtime, out ProviderInfo providerInfo, out PSDriveInfo drive)
{
var idx = path.IndexOf(":");
var driveName = path.Substring(0, idx);
// TODO: validate drive name?
drive = _sessionState.Drive.Get(driveName);
providerInfo = drive.Provider;
path = path.Substring(idx + 1).TrimStart(PathIntrinsics.CorrectSlash, PathIntrinsics.WrongSlash);
return(Path.Combine(providerInfo.CreateInstance(), drive.Root, path, runtime));
}
private bool ItemExists(CmdletProvider provider, string path, ProviderRuntime providerRuntime)
{
ItemCmdletProvider itemProvider = provider as ItemCmdletProvider;
if (itemProvider == null)
{
return(false);
}
return(itemProvider.ItemExists(path, providerRuntime));
}
private bool IsItemContainer(CmdletProvider provider, string path, ProviderRuntime providerRuntime)
{
NavigationCmdletProvider navigationProvider = provider as NavigationCmdletProvider;
if (navigationProvider == null)
{
return(false);
}
return(navigationProvider.IsItemContainer(path, providerRuntime));
}
private string ResolveRelativePath(string path, ProviderRuntime runtime, ProviderInfo providerInfo)
{
var provider = _sessionState.Provider.GetInstance(providerInfo) as ContainerCmdletProvider;
// TODO: I think PS default relative path resolving can only work with
// paths that have slash/backslash as spearator. Verify this.
// skip resolving if the path is absolute or we don't have a navigation provider
var curRoot = runtime.PSDriveInfo.Root;
if (provider == null || (curRoot.Length > 0 && path.StartsWith(curRoot)))
{
return(path);
}
if (IsCommonRootPath(path))
{
return(Path.Combine(provider, curRoot, path, runtime));
}
var curPath = runtime.PSDriveInfo.CurrentLocation;
// we must stay in the same drive. to avoid to resolve to directories outside the drive, we first need to
// get the path relative to the current drive's root
// Example: the current drive's root is "/foo", the current location is "/foo/bar". If we resolve "../.."
// we need to end up with "/foo", not "/", because "/" is outside the current drive
// I hope this is just fine... at least PS doesn't call the provider NormalizeRelativePath method
// for it. If we are in the current location, the path should also start with the drive's root, or
// we are in some inconsistent state
if (curPath.StartsWith(curRoot))
{
curPath = curPath.Substring(curRoot.Length);
}
var relStack = PathToStack(provider, path, runtime);
while (relStack.Count > 0)
{
var comp = relStack.Pop();
if (comp.Equals("."))
{
continue;
}
else if (comp.Equals(".."))
{
curPath = Path.ParseParent(provider, curPath, "", runtime);
continue;
}
// otherwise it's a child component to append
curPath = Path.Combine(provider, curPath, comp, runtime);
}
// don't forget to append the root again
return(Path.Combine(provider, curRoot, curPath, runtime));
}
// actual work with callid the providers
internal void Get(string[] paths, bool recurse, ProviderRuntime runtime)
{
// the include/exclude filters apply to the results, not to the globbing process. Make this sure
runtime.IgnoreFiltersForGlobbing = true;
// globbing is here a little more complicated, so we do it "manually" (without GlobAndInvoke)
foreach (var curPath in paths)
{
var path = curPath;
// if the path won't be globbed or filtered, we will directly list it's child
var listChildsWithoutRecursion = !Globber.ShouldGlob(path, runtime) && !runtime.HasFilters();
// the Path might be a mixture of a path and an include filter
bool clearIncludeFilter;
path = SplitFilterFromPath(path, recurse, runtime, out clearIncludeFilter);
// now perform the actual globbing
CmdletProvider provider;
var globbed = Globber.GetGlobbedProviderPaths(path, runtime, out provider);
var containerProvider = CmdletProvider.As<ContainerCmdletProvider>(provider);
var filter = new IncludeExcludeFilter(runtime.Include, runtime.Exclude, false);
foreach (var globPath in globbed)
{
try
{
// if we need to actively filter that stuff, we have to handle the recursion manually
if (!filter.CanBeIgnored)
{
ManuallyGetChildItems(containerProvider, globPath, recurse, filter, runtime);
return;
}
// otherwise just get the child items / the item directly
if (recurse || listChildsWithoutRecursion)
{
GetItemOrChildItems(containerProvider, globPath, recurse, runtime);
return;
}
// no recursion and globbing was performed: get the item, not the child items
containerProvider.GetItem(globPath, runtime);
}
catch (Exception e)
{
HandleCmdletProviderInvocationException(e);
}
}
// clean up the include filter of the runtime for the next item, if we split a filter from the path
if (clearIncludeFilter)
{
runtime.Include.Clear();
}
}
}
public ProviderRuntime(ProviderRuntime runtime)
: this(runtime.SessionState, runtime.Force, runtime.AvoidGlobbing)
{
_cmdlet = runtime._cmdlet;
PassThru = runtime.PassThru;
PSDriveInfo = runtime.PSDriveInfo;
Include = new Collection<string>(runtime.Include);
Exclude = new Collection<string>(runtime.Exclude);
Filter = runtime.Filter;
AvoidGlobbing = runtime.AvoidGlobbing;
IgnoreFiltersForGlobbing = runtime.IgnoreFiltersForGlobbing;
Credential = new PSCredential(runtime.Credential);
DynamicParameters = runtime.DynamicParameters;
}
public ProviderRuntime(ProviderRuntime runtime)
: this(runtime.SessionState, runtime.Force, runtime.AvoidGlobbing)
{
_cmdlet = runtime._cmdlet;
PassThru = runtime.PassThru;
PSDriveInfo = runtime.PSDriveInfo;
Include = new Collection <string>(runtime.Include);
Exclude = new Collection <string>(runtime.Exclude);
Filter = runtime.Filter;
AvoidGlobbing = runtime.AvoidGlobbing;
IgnoreFiltersForGlobbing = runtime.IgnoreFiltersForGlobbing;
Credential = new PSCredential(runtime.Credential);
DynamicParameters = runtime.DynamicParameters;
}
public Collection<PSObject> New(string[] paths, string name, string itemTypeName, object content, bool force)
{
// TODO: support globbing (e.g. * in filename)
Path normalizedPath;
var runtime = new ProviderRuntime(_cmdlet.ExecutionContext);
runtime.Force = force;
foreach (var path in paths)
{
var provider = GetContainerProviderByPath(path, name, out normalizedPath);
provider.NewItem(normalizedPath, itemTypeName, content, runtime);
}
runtime.ThrowFirstErrorOrContinue();
return runtime.RetreiveAllProviderData();
}
private string ResolveHomePath(string path, ProviderRuntime runtime, ProviderInfo providerInfo)
{
if (!IsHomePath(path) || providerInfo.Home == null)
{
return(path);
}
var provider = _sessionState.Provider.GetInstance(providerInfo);
var restPath = path.Substring(1);
var homePath = providerInfo.Home;
// if the path is only something like '~/', PS will return only the Home, without trailing separator
// But if it's '~/foo/', the trailing separator stays
if (restPath.Length == 0 || restPath.Equals("/") || restPath.Equals("\\"))
{
return(homePath);
}
return(Path.Combine(provider, homePath, restPath, runtime));
}
internal Collection<string> GetGlobbedProviderPaths(string path, ProviderRuntime runtime, bool itemMustExist,
out CmdletProvider provider)
{
var results = new Collection<string>();
ProviderInfo providerInfo;
// get internal path, resolve home path and set provider info and drive info (if resolved)
path = GetProviderSpecificPath(path, runtime, out providerInfo);
provider = _sessionState.Provider.GetInstance(providerInfo);
if (!ShouldGlob(path, runtime))
{
// Although even ItemCmdletProvider supports ItemExists, PS doesn't seem
// to throw errors when resolving paths with ItemProviders, only for ContainerProviders or higher
// this behavior can be seen in the tests
var containerProvider = provider as ContainerCmdletProvider;
if (itemMustExist && containerProvider != null && !containerProvider.ItemExists(path, runtime))
{
var msg = String.Format("An item with path {0} doesn't exist", path);
runtime.WriteError(new ItemNotFoundException(msg).ErrorRecord);
return results;
}
results.Add(path);
return results;
}
if (providerInfo.Capabilities.HasFlag(ProviderCapabilities.ExpandWildcards))
{
var filter = new IncludeExcludeFilter(runtime.Include, runtime.Exclude, runtime.IgnoreFiltersForGlobbing);
foreach (var expanded in CmdletProvider.As<ItemCmdletProvider>(provider).ExpandPath(path, runtime))
{
if (filter.Accepts(expanded))
{
results.Add(expanded);
}
}
}
else
{
results = BuiltInGlobbing(provider, path, runtime);
}
return results;
}
internal Collection <string> GetGlobbedProviderPaths(string path, ProviderRuntime runtime, bool itemMustExist,
out CmdletProvider provider)
{
var results = new Collection <string>();
ProviderInfo providerInfo;
// get internal path, resolve home path and set provider info and drive info (if resolved)
path = GetProviderSpecificPath(path, runtime, out providerInfo);
provider = _sessionState.Provider.GetInstance(providerInfo);
if (!ShouldGlob(path, runtime))
{
// Although even ItemCmdletProvider supports ItemExists, PS doesn't seem
// to throw errors when resolving paths with ItemProviders, only for ContainerProviders or higher
// this behavior can be seen in the tests
var containerProvider = provider as ContainerCmdletProvider;
if (itemMustExist && containerProvider != null && !containerProvider.ItemExists(path, runtime))
{
var msg = String.Format("An item with path {0} doesn't exist", path);
runtime.WriteError(new ItemNotFoundException(msg).ErrorRecord);
return(results);
}
results.Add(path);
return(results);
}
if (providerInfo.Capabilities.HasFlag(ProviderCapabilities.ExpandWildcards))
{
var filter = new IncludeExcludeFilter(runtime.Include, runtime.Exclude, runtime.IgnoreFiltersForGlobbing);
foreach (var expanded in CmdletProvider.As <ItemCmdletProvider>(provider).ExpandPath(path, runtime))
{
if (filter.Accepts(expanded))
{
results.Add(expanded);
}
}
}
else
{
results = BuiltInGlobbing(provider, path, runtime);
}
return(results);
}
internal PathInfo SetLocation(string path, ProviderRuntime providerRuntime)
{
// TODO: deal with paths starting with ".\"
if (path == null)
{
throw new NullReferenceException("Path can't be null");
}
path = PathIntrinsics.NormalizePath(path);
ProviderInfo provider = null;
string driveName = null;
string str = path;
string providerId = null;
PSDriveInfo currentDrive = CurrentDrive;
// If path doesn't start with a drive name
if (path.StartsWith(PathIntrinsics.CorrectSlash.ToString()))
{
provider = CurrentLocation.Provider;
}
else if (PathIntrinsics.IsAbsolutePath(path, out driveName))
{
_currentDrive = GetDrive(driveName, null);
path = PathIntrinsics.NormalizePath(PathIntrinsics.RemoveDriveName(path));
}
_currentDrive.CurrentLocation = path;
_providersCurrentDrive[CurrentDrive.Provider] = CurrentDrive;
SetVariable("PWD", CurrentLocation);
return(CurrentLocation);
PSDriveInfo drive = CurrentDrive;
SetLocation(path);
}
internal string GetProviderSpecificPath(string path, ProviderRuntime runtime, out ProviderInfo providerInfo)
{
// differentiate between drive-qualified, provider-qualified, provider-internal, and provider-direct paths
// then strip provider prefix, set provider, set drive is possible or get from Drive.Current
PSDriveInfo drive;
string resolvedPath = null;
if (IsProviderQualifiedPath(path))
{
resolvedPath = GetProviderPathFromProviderQualifiedPath(path, out providerInfo);
// in case there is no CurrentDrive, set a dummy drive to keep track of the used provider
drive = providerInfo.CurrentDrive ?? providerInfo.DummyDrive;
}
else if (IsDriveQualifiedPath(path))
{
resolvedPath = GetProviderPathFromDriveQualifiedPath(path, runtime, out providerInfo, out drive);
}
// otherwise we first need to know about the provider/drive in use to properly resolve the path
else if (runtime.PSDriveInfo != null)
{
drive = runtime.PSDriveInfo;
providerInfo = drive.Provider;
}
else
{
drive = _sessionState.Path.CurrentLocation.Drive;
providerInfo = _sessionState.Path.CurrentLocation.Provider;
}
// TODO: check for provider internal path beginning with \\ or //
// make sure to set the drive to a dummy drive then
runtime.PSDriveInfo = drive;
// if we had no success, yet, we deal with some kind of provider specific (maybe relative) path
if (resolvedPath == null)
{
resolvedPath = ResolveHomePath(path, runtime, providerInfo);
resolvedPath = ResolveRelativePath(resolvedPath, runtime, providerInfo);
}
return(resolvedPath);
}
internal string GetProviderSpecificPath(string path, ProviderRuntime runtime, out ProviderInfo providerInfo)
{
// differentiate between drive-qualified, provider-qualified, provider-internal, and provider-direct paths
// then strip provider prefix, set provider, set drive is possible or get from Drive.Current
PSDriveInfo drive;
string resolvedPath = null;
if (IsProviderQualifiedPath(path))
{
resolvedPath = GetProviderPathFromProviderQualifiedPath(path, out providerInfo);
// in case there is no CurrentDrive, set a dummy drive to keep track of the used provider
drive = providerInfo.CurrentDrive ?? providerInfo.DummyDrive;
}
else if (IsDriveQualifiedPath(path))
{
resolvedPath = GetProviderPathFromDriveQualifiedPath(path, runtime, out providerInfo, out drive);
}
// otherwise we first need to know about the provider/drive in use to properly resolve the path
else if (runtime.PSDriveInfo != null)
{
drive = runtime.PSDriveInfo;
providerInfo = drive.Provider;
}
else
{
drive = _sessionState.Path.CurrentLocation.Drive;
providerInfo = _sessionState.Path.CurrentLocation.Provider;
}
// TODO: check for provider internal path beginning with \\ or //
// make sure to set the drive to a dummy drive then
runtime.PSDriveInfo = drive;
// if we had no success, yet, we deal with some kind of provider specific (maybe relative) path
if (resolvedPath == null)
{
resolvedPath = ResolveHomePath(path, runtime, providerInfo);
resolvedPath = ResolveRelativePath(resolvedPath, runtime, providerInfo);
}
return resolvedPath;
}
internal CmdletProvider Add(ProviderInfo providerInfo, ExecutionContext executionContext)
{
CmdletProvider provider = providerInfo.CreateInstance();
var runtime = new ProviderRuntime(executionContext.SessionState);
providerInfo = provider.Start(providerInfo, runtime);
provider.SetProviderInfo(providerInfo);
// Cache the Provider's Info and instance
if (!_providers.ContainsKey(providerInfo.Name))
{
_providers.Add(providerInfo.Name, new List<ProviderInfo>());
}
_providers[providerInfo.Name].Add(providerInfo);
_providerInstances[providerInfo] = provider;
// provider is added, default drives can be added
AddDefaultDrives(provider, runtime);
return provider;
}
void SetPathTypes(string path, SessionState sessionState)
{
ProviderInfo pinfo;
// use the globber to parse the path and set the different types
var runtime = new ProviderRuntime(sessionState);
runtime.PSDriveInfo = Drive;
var globber = new PathGlobber(sessionState);
_path = globber.GetProviderSpecificPath(path, runtime, out pinfo);
// update the Provider and Drive in case it changed
Provider = pinfo;
Drive = runtime.PSDriveInfo;
_providerQualified = globber.GetProviderQualifiedPath(_path, Provider);
Path = _providerQualified;
if (Drive != null && !String.IsNullOrEmpty(Drive.Name))
{
_driveQualified = globber.GetDriveQualifiedPath(_path, Drive);
Path = _driveQualified;
}
}
internal Collection<string> GetChildNames(string path, ReturnContainers returnContainers, bool recurse, ProviderRuntime providerRuntime)
{
// MUST: fix
throw new NotImplementedException();
}
internal PathInfo SetLocation(string path, ProviderRuntime providerRuntime)
{
// TODO: deal with paths starting with ".\"
if (path == null)
{
throw new NullReferenceException("Path can't be null");
}
path = PathIntrinsics.NormalizePath(path);
ProviderInfo provider = null;
string driveName = null;
string str = path;
PSDriveInfo currentDrive = CurrentDrive;
// If path doesn't start with a drive name
if (path.StartsWith(PathIntrinsics.CorrectSlash.ToString()))
{
provider = CurrentLocation.Provider;
}
else if (PathIntrinsics.IsAbsolutePath(path, out driveName))
{
_currentDrive = GetDrive(driveName, null);
path = PathIntrinsics.NormalizePath(PathIntrinsics.RemoveDriveName(path));
}
_currentDrive.CurrentLocation = path;
_providersCurrentDrive[CurrentDrive.Provider] = CurrentDrive;
SetVariable("PWD", CurrentLocation);
return CurrentLocation;
}
internal PathInfo SetLocation(Path path, ProviderRuntime providerRuntime)
{
// TODO: deal with paths starting with ".\"
if (path == null)
{
throw new NullReferenceException("Path can't be null");
}
PSDriveInfo nextDrive = CurrentDrive;
path = path.NormalizeSlashes().ResolveTilde();
string driveName = null;
if (path.TryGetDriveName(out driveName))
{
try
{
nextDrive = _executionContext.SessionState.Drive.Get(driveName);
}
catch (MethodInvocationException) //didn't find a drive (maybe it's "\" on Windows)
{
nextDrive = CurrentDrive;
}
}
Path newLocation = PathNavigation.CalculateFullPath(nextDrive.CurrentLocation, path);
// I'm not a fan of this block of code.
// The goal here is to throw an exception if trying to "CD" into an invalid location
//
// Not sure why the providerInstances are returned as a collection. Feels like given a
// path we should have one provider we're talking to.
if (_providerInstances.ContainsKey(nextDrive.Provider.Name))
{
bool pathExists = false;
IEnumerable <ItemCmdletProvider> cmdletProviders = _providerInstances[nextDrive.Provider.Name].Where(x => x is ItemCmdletProvider).Cast <ItemCmdletProvider>();
ItemCmdletProvider currentProvider = null;
foreach (var provider in cmdletProviders)
{
if (provider.ItemExists(newLocation, providerRuntime))
{
pathExists = true;
currentProvider = provider;
break;
}
}
if (!pathExists)
{
throw new Exception(string.Format("Cannot find path '{0}' because it does not exist.", newLocation));
}
else
{
if (currentProvider is FileSystemProvider)
{
System.Environment.CurrentDirectory = newLocation;
}
}
}
else
{
throw new NotImplementedException("Unsure how to set location with provider:" + nextDrive.Provider.Name);
}
nextDrive.CurrentLocation = newLocation;
CurrentDrive = nextDrive;
_providersCurrentDrive[CurrentDrive.Provider] = CurrentDrive;
return(CurrentLocation);
}
internal Collection<PSObject> GetChildItems(string path, bool recurse, ProviderRuntime providerRuntime)
{
if (string.IsNullOrEmpty(path))
path = CurrentLocation.Path;
CmdletProvider provider = GetProviderByPath(path);
if ((path != null) && (ItemExists(provider, path, providerRuntime)))
{
if (IsItemContainer(provider, path, providerRuntime))
{
ContainerCmdletProvider containerProvider = provider as ContainerCmdletProvider;
if (containerProvider != null)
containerProvider.GetChildItems(path, recurse, providerRuntime);
}
else
{
ItemCmdletProvider itemProvider = provider as ItemCmdletProvider;
if (itemProvider != null)
itemProvider.GetItem(path, providerRuntime);
}
}
return providerRuntime.RetreiveAllProviderData();
}
//internal object GetChildItemsDynamicParameters(Path path, bool recurse, CmdletProviderContext context);
internal void GetChildNames(Path path, ReturnContainers returnContainers, ProviderRuntime runtime)
{
ProviderRuntime = runtime;
GetChildNames(path, returnContainers);
}
internal void NewItem(Path path, string type, object newItemValue, ProviderRuntime runtime)
{
ProviderRuntime = runtime;
NewItem(path, type, newItemValue);
}
internal Collection <string> GetGlobbedProviderPaths(string path, ProviderRuntime runtime,
out CmdletProvider provider)
{
return(GetGlobbedProviderPaths(path, runtime, true, out provider));
}
// internals
internal void CopyItem(Path path, Path copyPath, bool recurse, ProviderRuntime runtime)
{
ProviderRuntime = runtime;
CopyItem(path, copyPath, recurse);
}
internal bool ShouldGlob(string path, ProviderRuntime runtime)
{
return(WildcardPattern.ContainsWildcardCharacters(path) && !runtime.AvoidGlobbing.IsPresent);
}
private Stack <string> PathToStack(ContainerCmdletProvider provider, string path, ProviderRuntime runtime)
{
var componentStack = new Stack <string>();
while (!String.IsNullOrEmpty(path))
{
var child = Path.ParseChildName(provider, path, runtime);
componentStack.Push(child);
var parentPath = Path.ParseParent(provider, path, "", runtime);
if (parentPath.Equals(path))
{
throw new PSInvalidOperationException("Provider's implementation of GetParentPath is inconsistent",
"ParentOfPathIsPath", ErrorCategory.InvalidResult);
}
path = parentPath;
}
return(componentStack);
}
internal Collection <PSObject> GetChildItems(string path, bool recurse)
{
ProviderRuntime providerRuntime = new ProviderRuntime(_executionContext);
return(GetChildItems(path, recurse, providerRuntime));
}
public bool IsContainer(string path)
{
var runtime = new ProviderRuntime(SessionState);
bool result = IsContainer(path, runtime);
runtime.ThrowFirstErrorOrContinue();
return result;
}
public void Invoke(string[] path, bool literalPath)
{
var runtime = new ProviderRuntime(SessionState);
runtime.AvoidGlobbing = literalPath;
Invoke(path, runtime);
runtime.ThrowFirstErrorOrContinue();
}
private bool IsItemContainer(CmdletProvider provider, string path, ProviderRuntime providerRuntime)
{
NavigationCmdletProvider navigationProvider = provider as NavigationCmdletProvider;
if (navigationProvider == null)
return false;
return navigationProvider.IsItemContainer(path, providerRuntime);
}
internal Collection <string> GetChildNames(string path, ReturnContainers returnContainers, bool recurse, ProviderRuntime providerRuntime)
{
// MUST: fix
throw new NotImplementedException();
}
private bool ItemExists(CmdletProvider provider, string path, ProviderRuntime providerRuntime)
{
ItemCmdletProvider itemProvider = provider as ItemCmdletProvider;
if (itemProvider == null)
return false;
return itemProvider.ItemExists(path, providerRuntime);
}
internal PathInfo SetLocation(Path path, ProviderRuntime providerRuntime)
{
// TODO: deal with paths starting with ".\"
if (path == null)
{
throw new NullReferenceException("Path can't be null");
}
if (path == "~")
{
// Older Mono versions (sadly the one that's currently still
// available) have a bug where GetFolderPath returns an empty
// string for most SpecialFolder values, but only on
// non-Windows.
// See: https://bugzilla.xamarin.com/show_bug.cgi?id=2873
path = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
// HACK: Use $Env:HOME until Mono 2.10 dies out.
if (path == "")
{
path = Environment.GetEnvironmentVariable("HOME");
}
}
PSDriveInfo nextDrive = CurrentDrive;
path = path.NormalizeSlashes();
string driveName = null;
if (path.TryGetDriveName(out driveName))
{
nextDrive = GetDrive(driveName);
}
if (nextDrive == null)
{
nextDrive = CurrentDrive;
}
Path newLocation = PathNavigation.CalculateFullPath(nextDrive.CurrentLocation, path);
// I'm not a fan of this block of code.
// The goal here is to throw an exception if trying to "CD" into an invalid location
//
// Not sure why the providerInstances are returned as a collection. Feels like given a
// path we should have one provider we're talking to.
if (_providerInstances.ContainsKey(nextDrive.Provider.Name))
{
bool pathExists = false;
IEnumerable <ItemCmdletProvider> cmdletProviders = _providerInstances[nextDrive.Provider.Name].Where(x => x is ItemCmdletProvider).Cast <ItemCmdletProvider>();
ItemCmdletProvider currentProvider = null;
foreach (var provider in cmdletProviders)
{
if (provider.ItemExists(newLocation, providerRuntime))
{
pathExists = true;
currentProvider = provider;
break;
}
}
if (!pathExists)
{
throw new Exception(string.Format("Cannot find path '{0}' because it does not exist.", newLocation));
}
else
{
if (currentProvider is FileSystemProvider)
{
System.Environment.CurrentDirectory = newLocation;
}
}
}
else
{
throw new NotImplementedException("Unsure how to set location with provider:" + nextDrive.Provider.Name);
}
nextDrive.CurrentLocation = newLocation;
CurrentDrive = nextDrive;
_providersCurrentDrive[CurrentDrive.Provider] = CurrentDrive;
return(CurrentLocation);
}
//internal object CopyItemDynamicParameters(Path path, Path destination, bool recurse, CmdletProviderContext context);
internal void GetChildItems(Path path, bool recurse, ProviderRuntime runtime)
{
ProviderRuntime = runtime;
GetChildItems(path, recurse);
}
internal PathInfo SetLocation(Path path, ProviderRuntime providerRuntime)
{
// TODO: deal with paths starting with ".\"
if (path == null)
{
throw new NullReferenceException("Path can't be null");
}
if (path == "~")
{
// Older Mono versions (sadly the one that's currently still
// available) have a bug where GetFolderPath returns an empty
// string for most SpecialFolder values, but only on
// non-Windows.
// See: https://bugzilla.xamarin.com/show_bug.cgi?id=2873
path = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
// HACK: Use $Env:HOME until Mono 2.10 dies out.
if (path == "")
path = Environment.GetEnvironmentVariable("HOME");
}
PSDriveInfo nextDrive = CurrentDrive;
path = path.NormalizeSlashes();
string driveName = null;
if (path.TryGetDriveName(out driveName))
{
try
{
nextDrive = _executionContext.SessionState.Drive.Get(driveName);
}
catch (MethodInvocationException) //didn't find a drive (maybe it's "\" on Windows)
{
nextDrive = CurrentDrive;
}
}
Path newLocation = PathNavigation.CalculateFullPath(nextDrive.CurrentLocation, path);
// I'm not a fan of this block of code.
// The goal here is to throw an exception if trying to "CD" into an invalid location
//
// Not sure why the providerInstances are returned as a collection. Feels like given a
// path we should have one provider we're talking to.
if (_providerInstances.ContainsKey(nextDrive.Provider.Name))
{
bool pathExists = false;
IEnumerable<ItemCmdletProvider> cmdletProviders = _providerInstances[nextDrive.Provider.Name].Where(x => x is ItemCmdletProvider).Cast<ItemCmdletProvider>();
ItemCmdletProvider currentProvider = null;
foreach (var provider in cmdletProviders)
{
if (provider.ItemExists(newLocation, providerRuntime))
{
pathExists = true;
currentProvider = provider;
break;
}
}
if (!pathExists)
{
throw new Exception(string.Format("Cannot find path '{0}' because it does not exist.", newLocation));
}
else
{
if (currentProvider is FileSystemProvider)
{
System.Environment.CurrentDirectory = newLocation;
}
}
}
else
{
throw new NotImplementedException("Unsure how to set location with provider:" + nextDrive.Provider.Name);
}
nextDrive.CurrentLocation = newLocation;
CurrentDrive = nextDrive;
_providersCurrentDrive[CurrentDrive.Provider] = CurrentDrive;
return CurrentLocation;
}
//internal object GetChildNamesDynamicParameters(Path path, CmdletProviderContext context);
internal bool HasChildItems(Path path, ProviderRuntime runtime)
{
ProviderRuntime = runtime;
return HasChildItems(path);
}
internal Collection<PSObject> GetChildItems(string path, bool recurse)
{
ProviderRuntime providerRuntime = new ProviderRuntime(_executionContext);
return GetChildItems(path, recurse, providerRuntime);
}
//internal object NewItemDynamicParameters(Path path, Path type, object newItemValue, CmdletProviderContext context);
internal void RemoveItem(Path path, bool recurse, ProviderRuntime runtime)
{
ProviderRuntime = runtime;
RemoveItem(path, recurse);
}
//internal object RemoveItemDynamicParameters(Path path, bool recurse, CmdletProviderContext context);
internal void RenameItem(Path path, string newName, ProviderRuntime runtime)
{
ProviderRuntime = runtime;
RenameItem(path, newName);
}
internal ProviderInfo Start(ProviderInfo providerInfo, ProviderRuntime providerRuntime)
{
ProviderRuntime = providerRuntime;
return Start(providerInfo);
}
public Collection<PSObject> Get(string[] path, bool force, bool literalPath)
{
var runtime = new ProviderRuntime(SessionState, force, literalPath);
Get(path, runtime);
return runtime.ThrowFirstErrorOrReturnResults();
}
