public static IOResource From(string value, bool strict = true)
{
var resource = FileResource.From(value, strict: false) ?? FolderResource.From(value, strict: false) as IOResource;
ExpectNot(strict && resource == null, "Value is not an I/O resource");
return(resource);
}
public static bool TryFrom(string folder, string name, out FileResource resource, bool extensionOptional = false)
{
resource = FileName.TryFrom(name, out var parsedName, extensionOptional)
? new FileResource(FolderResource.From(folder), parsedName)
: null;
return(resource != null);
}
private IEnumerable <FolderLink> ReadFolderLinksCore(FolderResource subfolder, bool recursive = false)
{
var folderPath = Link.Then(subfolder).ToString();
var pattern = "*.*";
var option = recursive ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly;
return(Directory.GetDirectories(folderPath, pattern, option).Select(subdirectory => FolderLink.From(subdirectory)));
}
public static FileResource From(FolderResource folder, string name, bool extensionOptional = false)
{
if (!TryFrom(folder, name, out var resource, extensionOptional))
{
throw new FormatException($"Failed to parse file name: {name}");
}
return(resource);
}
//
// Subfolder reads
//
public Many <IOResource> ReadFolder(FolderResource subfolder, bool recursive = false)
{
return(ReadLinksCore(subfolder, recursive)
.Select(link =>
{
return link is FolderLink
? ((FolderLink)link).RelativeTo(Link)
: ((FileLink)link).RelativeTo(Link) as IOResource;
})
.ToMany());
}
public void Write(FolderResource folder, bool overwrite = true)
{
var folderPath = Link.Then(folder).ToString();
if (Directory.Exists(folderPath))
{
return;
}
Expect(overwrite, "Folder exists and overwrite option is not set");
Directory.CreateDirectory(folderPath);
}
public static bool TryFrom(string value, out IOResource resource)
{
if (FileResource.TryFrom(value, out var file))
{
resource = file;
}
else
{
resource = FolderResource.From(value);
}
return(resource != null);
}
public void Delete(FolderResource folder, bool strict = true)
{
var folderPath = Link.Then(folder).ToString();
if (Directory.Exists(folderPath))
{
Directory.Delete(folderPath, recursive: true);
}
else
{
if (strict)
{
ExpectNot(strict, "Folder not found");
}
}
}
public static FolderLink FromLocal(string value, bool strict = true)
{
var parsedFolder = FolderResource.From(value, strict);
if (parsedFolder != null && parsedFolder.Path.Segments.Count > 0)
{
var path = parsedFolder.Path.Segments.Count == 1
? LinkPath.Root
: LinkPath.From(parsedFolder.Path.Segments.Skip(1));
return(new FolderLink(parsedFolder.Path.Segments[0], FolderResource.From(path)));
}
Expect(strict, "Cannot parse folder link: " + value);
return(null);
}
public static bool TryFromLocal(string value, out FolderLink link)
{
link = null;
var path = FolderResource.From(value).Path;
if (path.Segments.Any())
{
var root = path.Segments[0];
var resource = path.Segments.Count == 1
? LinkPath.Root
: LinkPath.From(path.Segments.Skip(1));
link = new FolderLink(root, FolderResource.From(resource));
}
return(link != null);
}
public static bool TryFromUnc(string value, out FolderLink link)
{
link = null;
if (!String.IsNullOrEmpty(value) && HasUncPrefix(value))
{
var path = FolderResource.From(value.Substring(2)).Path;
var root = $@"\\{path.Segments[0]}";
var resource = path.Segments.Count == 1
? LinkPath.Root
: LinkPath.From(path.Segments.Skip(1));
link = new FolderLink(root, FolderResource.From(resource), isUnc: true);
}
return(link != null);
}
public static FolderLink FromUnc(string value, bool strict = true)
{
if (!String.IsNullOrEmpty(value) && value.StartsWith(@"\\"))
{
var parsedFolder = FolderResource.From(value.Substring(2), strict);
if (parsedFolder != null)
{
var root = @"\\" + parsedFolder.Path.Segments[0].ToString();
var path = parsedFolder.Path.Segments.Count == 1
? LinkPath.Root
: LinkPath.From(parsedFolder.Path.Segments.Skip(1));
return(new FolderLink(root, FolderResource.From(path), isUnc: true));
}
}
ExpectNot(strict, "Cannot parse UNC link: " + value);
return(null);
}
public static bool TryFrom(string value, out FileResource resource, bool extensionOptional = false)
{
resource = null;
var parsedFolder = FolderResource.From(value);
var file = parsedFolder.Path.Segments.LastOrDefault()?.ToString();
if (file != null)
{
if (FileName.TryFrom(file, out var parsedFile, extensionOptional))
{
if (!parsedFolder.TryUp(out var folderUp))
{
folderUp = parsedFolder;
}
resource = new FileResource(folderUp, parsedFile);
}
}
return(resource != null);
}
public new static FileResource From(string value, bool strict = true)
{
var parsedFolder = FolderResource.From(value, strict);
if (parsedFolder != null)
{
var fileSegment = parsedFolder.Path.Segments.LastOrDefault();
if (fileSegment != null)
{
var parsedName = FileName.From(fileSegment.ToString(), strict);
if (parsedName != null)
{
return(new FileResource(parsedFolder.Up(strict: false), parsedName));
}
}
}
ExpectNot(strict, "Cannot parse file resource");
return(null);
}
public bool FolderExists(FolderResource subfolder)
{
return(Directory.Exists(Link.Then(subfolder).ToString()));
}
public void Move(FolderResource sourceFolder, FolderResource destinationFolder)
{
Directory.Move(Link.Then(sourceFolder).ToString(), Link.Then(destinationFolder).ToString());
}
public static FileResource From(FolderResource folder, string name, bool strict = true)
{
var parsedName = FileName.From(name, strict);
return(parsedName == null ? null : new FileResource(folder, parsedName));
}
public FolderLink Then(FolderResource folder) => new FolderLink(Root, Resource.Then(folder));
//
// Factory
//
public static FileResource From(FolderResource folder, FileName name)
{
return(new FileResource(folder, name));
}
public static FileResource From(string folder, string name, bool strict = true)
{
var parsedFolder = FolderResource.From(folder, strict);
return(parsedFolder == null ? null : From(parsedFolder, name, strict));
}
public Many <FolderResource> ReadFolders(FolderResource subfolder, bool recursive = false)
{
return(ReadFolderLinksCore(subfolder, recursive).Select(folderLink => folderLink.RelativeTo(Link)).ToMany());
}
public static FileResource From(string folder, FileName name) => From(FolderResource.From(folder), name);
public static FileResource From(FolderResource folder, FileName name) => new FileResource(folder, name);
public static HttpResource From(FolderResource folder) => From(folder.ToString(altSlash: true));
public IFolder Then(FolderResource folder)
{
return(new LocalFolder(Link.Then(folder)));
}
FileResource(FolderResource folder, FileName name)
{
Folder = folder;
Name = name;
}
public Many <FolderLink> ReadFolderLinks(FolderResource subfolder, bool recursive = false)
{
return(ReadFolderLinksCore(subfolder, recursive).ToMany());
}
public FileResource RelativeTo(FolderResource folder) => new FileResource(Folder.RelativeTo(folder), Name);
public static bool TryFrom(LinkText root, string resource, out FolderLink link)
{
link = From(root, FolderResource.From(resource));
return(true);
}
public FileResource RelativeTo(FolderResource folder)
{
return(new FileResource(Folder.RelativeTo(folder), Name));
}