private void ImportFile(string source, Folder destination, string name, CallbacksBase importCallbacks)
{
if (importCallbacks.ShouldAbort()) return;
var f = new FileInfo(source);
if (f.Length > _options.MaximumFileSize)
throw new VFSException(
string.Format("File is too big. Maximum file size is {0}. You can adjust the BlockSize in the Options to allow bigger files.",
_options.MaximumFileSize));
var file = CreateFile(source, destination, name);
AppendBlockReference(destination, file.BlockNumber);
importCallbacks.CurrentlyProcessed++;
}
public void Copy(IIndexNode nodeToCopy, Folder destination, string name, CallbacksBase copyCallbacks)
{
CheckDisposed();
CheckName(name);
CheckVersion();
// Gather totals (copy in ~O(1) :D)
copyCallbacks.TotalToProcess++;
// Do the real copy
if (nodeToCopy is Folder) CopyFolder(nodeToCopy as Folder, destination, name, copyCallbacks);
else if (nodeToCopy is VFSFile) CopyFile(nodeToCopy as VFSFile, destination, name, copyCallbacks);
else throw new ArgumentException("nodeToCopy must be of type Folder or VFSFile", "nodeToCopy");
SetBlocksUsed();
copyCallbacks.OperationCompleted(!copyCallbacks.ShouldAbort());
}
private void ExportFolder(Folder folder, string destination, CallbacksBase exportCallbacks)
{
if (exportCallbacks.ShouldAbort()) return;
Directory.CreateDirectory(destination);
exportCallbacks.CurrentlyProcessed++;
foreach (var vfsFile in Files(folder))
{
ExportFile(vfsFile, Path.Combine(destination, vfsFile.Name), exportCallbacks);
}
foreach (var f in Folders(folder))
{
ExportFolder(f, Path.Combine(destination, f.Name), exportCallbacks);
}
}
private void ImportDirectory(string source, Folder destination, string name, CallbacksBase importCallbacks, bool createVersion)
{
if (importCallbacks.ShouldAbort()) return;
var info = new DirectoryInfo(source);
var newFolder = CreateFolder(destination, name, createVersion);
importCallbacks.CurrentlyProcessed++;
foreach (var directoryInfo in info.GetDirectories())
ImportDirectory(directoryInfo.FullName, newFolder, directoryInfo.Name, importCallbacks, false);
foreach (var fileInfo in info.GetFiles())
ImportFile(fileInfo.FullName, newFolder, fileInfo.Name, importCallbacks);
}
private void ExportFile(VFSFile file, string destination, CallbacksBase exportCallbacks)
{
if (exportCallbacks.ShouldAbort()) return;
EnsureParentDirectoryExists(destination);
using (var stream = File.OpenWrite(destination))
{
using (var reader = DecorateToHostStream(
new VFSFileStream(file, _blockParser, _options, _blockAllocation, _blockManipulator, _persistence)))
{
var buffer = new byte[_options.BlockSize];
int read;
while ((read = reader.Read(buffer, 0, _options.BlockSize)) > 0)
{
stream.Write(buffer, 0, read);
}
}
}
exportCallbacks.CurrentlyProcessed++;
}
private void CopyFolder(Folder folderToCopy, Folder destination, string name, CallbacksBase copyCallbacks)
{
if (copyCallbacks.ShouldAbort()) return;
CheckName(name);
var copiedFolder = CreateFolder(destination, name, true);
copiedFolder.IndirectNodeNumber = folderToCopy.IndirectNodeNumber;
copiedFolder.BlocksCount = folderToCopy.BlocksCount;
copiedFolder.PredecessorBlockNr = folderToCopy.BlockNumber;
//copiedFolder.Version = NextVersion;
_persistence.Persist(copiedFolder);
//ArchiveAndReplaceRoot(copiedFolder.Parent, null, copiedFolder);
copyCallbacks.CurrentlyProcessed++;
}
private void CopyFile(VFSFile fileToCopy, Folder destination, string name, CallbacksBase copyCallbacks)
{
if (copyCallbacks.ShouldAbort()) return;
CheckName(name);
var newFile = new VFSFile(name)
{
Parent = destination,
BlockNumber = _blockAllocation.Allocate(),
LastBlockSize = fileToCopy.LastBlockSize,
IndirectNodeNumber = fileToCopy.IndirectNodeNumber,
BlocksCount = fileToCopy.BlocksCount,
PredecessorBlockNr = fileToCopy.BlockNumber,
Version = NextVersion
};
_persistence.Persist(newFile);
copyCallbacks.CurrentlyProcessed++;
ArchiveAndReplaceRoot(destination, null, newFile);
}
public void Import(string source, Folder destination, string name, CallbacksBase importCallbacks)
{
CheckDisposed();
CheckName(name);
CheckVersion();
destination = ArchiveAndReplaceRoot(destination, null, null);
if (Directory.Exists(source)) CollectImportDirectoryTotals(source, importCallbacks);
else if (File.Exists(source)) importCallbacks.TotalToProcess++;
else throw new NotFoundException();
if (Directory.Exists(source)) ImportDirectory(source, destination, name, importCallbacks, false);
else if (File.Exists(source)) ImportFile(source, destination, name, importCallbacks);
else throw new NotFoundException();
SetBlocksUsed();
importCallbacks.OperationCompleted(!importCallbacks.ShouldAbort());
}
public void Export(IIndexNode source, string destination, CallbacksBase exportCallbacks)
{
var absoluteDestination = Path.GetFullPath(destination);
EnsureParentDirectoryExists(absoluteDestination);
CheckDisposed();
if (source == null) throw new NotFoundException();
if (File.Exists(absoluteDestination) || Directory.Exists(absoluteDestination)) throw new VFSException("Destination already exists!");
// Gather totals
if (source is Folder) CollectExportDirectoryTotals(source as Folder, exportCallbacks);
else if (source is VFSFile) exportCallbacks.TotalToProcess++;
else throw new ArgumentException("Source must be of type Folder or VFSFile", "source");
// Do the real export
if (source is Folder) ExportFolder(source as Folder, absoluteDestination, exportCallbacks);
else ExportFile(source as VFSFile, absoluteDestination, exportCallbacks);
exportCallbacks.OperationCompleted(!exportCallbacks.ShouldAbort());
}
