public bool Copy(GlobalPath sourcePath, GlobalPath destinationPath, bool verifyFreeSpace = true)
{
Volume sourceVolume = GetVolumeFromPath(sourcePath);
Volume destinationVolume = GetVolumeFromPath(destinationPath);
VolumeItem source = sourceVolume.Open(sourcePath);
VolumeItem destination = destinationVolume.Open(destinationPath);
if (source == null)
{
throw new KOSPersistenceException("Path does not exist: " + sourcePath);
}
if (source is VolumeDirectory)
{
if (destination is VolumeFile)
{
throw new KOSPersistenceException("Can't copy directory into a file");
}
if (destination == null)
{
destination = destinationVolume.CreateDirectory(destinationPath);
}
else if (!sourcePath.IsRoot)
{
destinationPath = destinationPath.Combine(sourcePath.Name);
destination = destinationVolume.OpenOrCreateDirectory(destinationPath);
}
if (destination == null)
{
throw new KOSException("Path was expected to point to a directory: " + destinationPath);
}
return(CopyDirectory(sourcePath, destinationPath, verifyFreeSpace));
}
else
{
if (destination is VolumeFile || destination == null)
{
Volume targetVolume = GetVolumeFromPath(destinationPath);
return(CopyFile(source as VolumeFile, destinationPath, targetVolume, verifyFreeSpace));
}
else
{
return(CopyFileToDirectory(source as VolumeFile, destination as VolumeDirectory, verifyFreeSpace));
}
}
}
protected bool CopyDirectory(GlobalPath sourcePath, GlobalPath destinationPath, bool verifyFreeSpace)
{
if (sourcePath.IsParent(destinationPath))
{
throw new KOSPersistenceException("Can't copy directory to a subdirectory of itself: " + destinationPath);
}
Volume sourceVolume = GetVolumeFromPath(sourcePath);
Volume destinationVolume = GetVolumeFromPath(destinationPath);
VolumeDirectory source = sourceVolume.Open(sourcePath) as VolumeDirectory;
VolumeItem destinationItem = destinationVolume.Open(destinationPath);
if (destinationItem is VolumeFile)
{
throw new KOSPersistenceException("Can't copy directory into a file");
}
VolumeDirectory destination = destinationItem as VolumeDirectory;
if (destination == null)
{
destination = destinationVolume.CreateDirectory(destinationPath);
}
var l = source.List();
foreach (KeyValuePair <string, VolumeItem> pair in l)
{
if (pair.Value is VolumeDirectory)
{
if (!CopyDirectory(sourcePath.Combine(pair.Key), destinationPath.Combine(pair.Key), verifyFreeSpace))
{
return(false);
}
}
else
{
if (!CopyFileToDirectory(pair.Value as VolumeFile, destination, verifyFreeSpace))
{
return(false);
}
}
}
return(true);
}
// Volumes, VolumeItems and strings
public GlobalPath GlobalPathFromObject(object pathObject)
{
if (pathObject is Volume)
{
GlobalPath p = GlobalPath.FromVolumePath(VolumePath.EMPTY, GetVolumeRawIdentifier(pathObject as Volume));
SafeHouse.Logger.Log("Path from volume: " + p);
return(p);
}
else if (pathObject is VolumeItem)
{
VolumeItem volumeItem = pathObject as VolumeItem;
return(GlobalPath.FromVolumePath(volumeItem.Path, GetVolumeRawIdentifier(volumeItem.Volume)));
}
else
{
return(GlobalPathFromString(pathObject.ToString()));
}
}
public bool IsRoomFor(VolumePath path, FileContent fileContent)
{
VolumeItem existing = Open(path);
if (existing is VolumeDirectory)
{
throw new KOSPersistenceException("'" + path + "' is a directory");
}
VolumeFile existingFile = existing as VolumeFile;
int usedByThisFile = 0;
if (existingFile != null)
{
usedByThisFile = existingFile.ReadAll().Size;
}
return(INFINITE_CAPACITY == FreeSpace || FreeSpace + usedByThisFile >= fileContent.Size);
}
public Structure OpenSafe(string pathString, bool ksmDefault = false)
{
VolumeItem item = Open(VolumePath.FromString(pathString), ksmDefault);
return(item != null ? (Structure)item : BooleanValue.False);
}