private void ManuallyGetChildItems(ContainerCmdletProvider provider, string path, bool recurse, IncludeExcludeFilter filter, ProviderRuntime runtime) { // recursively get child names of containers or just the current child if the filter accepts it if (recurse && Item.IsContainer(path, runtime)) { ManuallyGetChildItemsFromContainer(provider, path, recurse, filter, runtime); return; } var childName = Path.ParseChildName(provider, path, runtime); if (filter.Accepts(childName)) { provider.GetItem(path, runtime); } }
private void ManuallyGetChildItemsFromContainer(ContainerCmdletProvider provider, string path, bool recurse, IncludeExcludeFilter filter, ProviderRuntime runtime) { // we deal with a container: get all child items (all containers if we recurse) Dictionary<string, bool> matches = null; // When a provider specific filter is set, and we need to recurse, we need to check recurse into all // containers, but just get those that match the internal filter. Therefore we construct a lookup dict. // Looking up in a dictionary whether or not the itemis a match should be faster than using a list // If there is no filter, then ReturnAllContainers and ReturnMatchingContainers don't differ if (!String.IsNullOrEmpty(runtime.Filter)) { matches = GetValidChildNames(provider, path, ReturnContainers.ReturnMatchingContainers, runtime).ToDictionary(c => c, c => true); } var childNames = GetValidChildNames(provider, path, ReturnContainers.ReturnAllContainers, runtime); foreach (var childName in childNames) { var childPath = Path.Combine(provider, path, childName, runtime); // if the filter accepts the child (leaf or container) and it's potentially a filter match, get it if (filter.Accepts(childName) && (matches == null || matches.ContainsKey(childName))) { provider.GetItem(childPath, runtime); } // if we need to recurse and deal with a container, dive into it if (recurse && Item.IsContainer(childPath, runtime)) { ManuallyGetChildItemsFromContainer(provider, childPath, true, filter, runtime); } } }
private void GetItemOrChildItems(ContainerCmdletProvider provider, string path, bool recurse, ProviderRuntime runtime) { // If path identifies a container it gets all child items (recursively or not). Otherwise it returns the leaf if (Item.IsContainer(provider, path, runtime)) { provider.GetChildItems(path, recurse, runtime); return; } provider.GetItem(path, runtime); }