Ejemplo n.º 1
0
 private bool PathIsAbsolute(Path path)
 {
     string drive = null;
     if (path.TryGetDriveName(out drive))
     {
         // TODO: workaround to be removed when we completeley remove the Path class and
         // use PathIntrinsics instead
         if (System.IO.Path.DirectorySeparatorChar == '\\' && path.StartsWithSlash())
         {
             return false;
         }
         return true;
     }
     return false;
 }
Ejemplo n.º 2
0
        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;
        }
Ejemplo n.º 3
0
        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();

            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;
        }