public override IEnumerable <Microsoft.Extensions.FileSystemGlobbing.Abstractions.FileSystemInfoBase> EnumerateFileSystemInfos()
{
if (directory.Exists)
{
IEnumerable <IFileSystemInfo> fileSystemInfos;
try
{
fileSystemInfos = directory.EnumerateFileSystemInfos("*", System.IO.SearchOption.TopDirectoryOnly);
}
catch (System.IO.DirectoryNotFoundException)
{
yield break;
}
foreach (IFileSystemInfo fileSystemInfo in fileSystemInfos)
{
if (fileSystemInfo is IDirectoryInfo directoryInfo)
{
yield return(new DirectoryInfoBaseAbstractionAdapter(directoryInfo));
}
else
{
yield return(new FileInfoBaseAbstractionAdapter((IFileInfo)fileSystemInfo));
}
}
}
}
public static IFileSystemInfo FromIndentedString(IFileSystem fileSystem, string rootPath, string indentedString)
{
string[] lines = indentedString.Split('\r', '\n');
Stack <int> folderIndents = new Stack <int>();
folderIndents.Push(-1);
IDirectoryInfo root = Create(fileSystem, rootPath);
IDirectoryInfo directory = root;
foreach (string line in lines.Where(l => !string.IsNullOrWhiteSpace(l)))
{
int indent = GetIndent(line);
string name = line.Trim();
bool isFolder = IsFolder(name);
if (isFolder)
{
// Find a folder for current item
while (indent <= folderIndents.Peek())
{
folderIndents.Pop();
directory = directory.Parent;
}
string path = Path.Combine(directory.FullName, name.Substring(1, name.Length - 2));
IDirectoryInfo child = Create(fileSystem, path);
AddToDirectory(directory, child);
folderIndents.Push(indent);
directory = child;
}
else
{
// Find a folder for current item
while (indent <= folderIndents.Peek())
{
folderIndents.Pop();
directory = directory.Parent;
}
string path = Path.Combine(directory.FullName, name);
IFileSystemInfo child = FileInfoStubFactory.Create(fileSystem, path);
AddToDirectory(directory, child);
}
}
var children = (List <IFileSystemInfo>)root.EnumerateFileSystemInfos();
if (children.Count != 1)
{
return(root);
}
var result = children.First();
children.Remove(result);
return(result);
}
private static void AddToDirectory(IDirectoryInfo directory, IFileSystemInfo child)
{
var children = (List <IFileSystemInfo>)directory.EnumerateFileSystemInfos();
int index = children.BinarySearch(child, Comparer <IFileSystemInfo> .Create((x, y) => string.Compare(x.FullName, y.FullName, StringComparison.OrdinalIgnoreCase)));
if (index >= 0)
{
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "Item with name {0} already exists in folder {1}", child.FullName, directory.FullName));
}
if (child.TraverseBreadthFirst(f => (f as IDirectoryInfo)?.EnumerateFileSystemInfos()).Contains(directory))
{
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "Circular dependency. Item {0} is a parent of {1} already", child.FullName, directory.FullName));
}
var directoryChild = child as IDirectoryInfo;
if (directoryChild != null)
{
var oldParent = (List <IFileSystemInfo>)directoryChild.Parent?.EnumerateFileSystemInfos();
oldParent?.Remove(directoryChild);
directoryChild.Parent.Returns(directory);
}
else
{
var fileChild = (IFileInfo)child;
var oldParent = (List <IFileSystemInfo>)fileChild.Directory?.EnumerateFileSystemInfos();
oldParent?.Remove(fileChild);
fileChild.Directory.Returns(directory);
}
children.Insert(~index, child);
}
public static bool Empty(this IDirectoryInfo directoryInfo) => !directoryInfo.EnumerateFileSystemInfos().Any();
public IEnumerable <IFileSystemInfo> EnumerateFileSystemInfos()
{
return(FileSystem.Path.GetFromFileSystemInfos(_info.EnumerateFileSystemInfos()));
}
private static void AddToDirectory(IDirectoryInfo directory, IFileSystemInfo child) {
var children = (List<IFileSystemInfo>)directory.EnumerateFileSystemInfos();
int index = children.BinarySearch(child, Comparer<IFileSystemInfo>.Create((x, y) => string.Compare(x.FullName, y.FullName, StringComparison.OrdinalIgnoreCase)));
if (index >= 0) {
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "Item with name {0} already exists in folder {1}", child.FullName, directory.FullName));
}
if (child.TraverseBreadthFirst(f => (f as IDirectoryInfo)?.EnumerateFileSystemInfos()).Contains(directory)) {
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "Circular dependency. Item {0} is a parent of {1} already", child.FullName, directory.FullName));
}
var directoryChild = child as IDirectoryInfo;
if (directoryChild != null) {
var oldParent = (List<IFileSystemInfo>)directoryChild.Parent?.EnumerateFileSystemInfos();
oldParent?.Remove(directoryChild);
directoryChild.Parent.Returns(directory);
} else {
var fileChild = (IFileInfo)child;
var oldParent = (List<IFileSystemInfo>)fileChild.Directory?.EnumerateFileSystemInfos();
oldParent?.Remove(fileChild);
fileChild.Directory.Returns(directory);
}
children.Insert(~index, child);
}
