private IEnumerable<NwdUriProcessEntry> GetDeviceSynergyFiles(NwdPortableDevice device)
{
List<NwdPortableDeviceObject> lst = FindByUri("NWD/synergy/[*]");
List<NwdUriProcessEntry> output =
new List<NwdUriProcessEntry>();
if (lst.Count > 0)
{
foreach (NwdPortableDeviceObject pdo in lst)
{
if (pdo is NwdPortableDeviceFile)
{
NwdUri uri = new NwdUri("NWD/synergy/" + pdo.Name);
NwdUriProcessEntry pe =
new NwdUriProcessEntry(uri);
pe.DeviceObject = pdo;
output.Add(pe);
}
}
}
return output;
}
public NwdUriProcessEntry(NwdUri nwdUri)
{
this.nwdUri = nwdUri;
Processed = false;
}
private MultiMap<string, NwdPortableDeviceObject> FindByUriCached(string uri)
{
MultiMap<string, NwdPortableDeviceObject> masterMap =
new MultiMap<string, NwdPortableDeviceObject>();
NwdUri nwdUri = new NwdUri(uri);
var col = new NwdPortableDeviceCollection();
try
{
col.Refresh();
}
catch (Exception ex)
{
Display.Exception(ex);
}
foreach (var device in col)
{
if (device.RootFolder != null)
{
//device level
foreach (NwdPortableDeviceObject pdo
in device.RootFolder.Files)
{
//start a new multimap for each device/storage location
MultiMap<string, NwdPortableDeviceObject> found =
new MultiMap<string, NwdPortableDeviceObject>();
//need to reset Uri for each device/storage location
nwdUri.ResetStack();
//internal vs external storage level
if (pdo is NwdPortableDeviceFolder)
{
NwdPortableDeviceFolder folder =
(NwdPortableDeviceFolder)pdo;
Retrieve(device, folder, ref nwdUri, ref found);
}
//add found into master map
masterMap.AddAll(found);
}
}
}
return masterMap;
}
private List<NwdPortableDeviceObject> FindByUri(string uri)
{
List<NwdPortableDeviceObject> found =
new List<NwdPortableDeviceObject>();
NwdUri nwdUri = new NwdUri(uri);
var col = new NwdPortableDeviceCollection();
try
{
col.Refresh();
}
catch (Exception ex)
{
Display.Exception(ex);
}
foreach (var device in col)
{
if (device.RootFolder != null)
{
//device level
foreach (NwdPortableDeviceObject pdo
in device.RootFolder.Files)
{
//need to reset Uri for each device/storage location
nwdUri.ResetStack();
//internal vs external storage level
if (pdo is NwdPortableDeviceFolder)
{
NwdPortableDeviceFolder folder =
(NwdPortableDeviceFolder)pdo;
Retrieve(device, folder, ref nwdUri, ref found);
}
}
}
}
return found;
}
private void Retrieve(NwdPortableDevice device,
NwdPortableDeviceFolder folder,
ref NwdUri uri,
ref MultiMap<string, NwdPortableDeviceObject> found)
{
folder.Refresh(device);
string nodeName = uri.PopNodeName();
if (found.ContainsKey(uri.CurrentTraversalUri))
{
//used cached lookup
foreach (NwdPortableDeviceObject pdo in found[uri.CurrentTraversalUri])
{
ProcessPdo(device, pdo, ref uri, ref found);
}
}
else
{
//use standard lookup
if (folder.Files != null)
{
foreach (NwdPortableDeviceObject pdo in folder.Files)
{
if (NwdUri.MatchNodeName(nodeName, pdo.Name))
{
ProcessPdo(device, pdo, ref uri, ref found);
}
}
}
}
}
private void Retrieve(NwdPortableDevice device,
NwdPortableDeviceFolder folder,
ref NwdUri uri,
ref List<NwdPortableDeviceObject> found)
{
folder.Refresh(device);
string nodeName = uri.PopNodeName();
if (folder.Files != null)
{
foreach (NwdPortableDeviceObject pdo in folder.Files)
{
if (NwdUri.MatchNodeName(nodeName, pdo.Name))
{
if (uri.HasNodeKeysInStack())
{
if (pdo is NwdPortableDeviceFolder)
{
NwdPortableDeviceFolder nextFolder =
(NwdPortableDeviceFolder)pdo;
//uri has one level popped, pass the modified uri and
//the newly found folder to the next level of recursion
Retrieve(device, nextFolder, ref uri, ref found);
}
else
{
//bad key (found name but not a folder and keystack isn't empty, so just return)
//do nothing
}
}
else
{
//finished
found.Add(pdo);
}
}
}
}
}
private void ProcessPdo(NwdPortableDevice device,
NwdPortableDeviceObject pdo,
ref NwdUri uri,
ref MultiMap<string, NwdPortableDeviceObject> found)
{
if (uri.HasNodeKeysInStack())
{
if (pdo is NwdPortableDeviceFolder)
{
NwdPortableDeviceFolder nextFolder =
(NwdPortableDeviceFolder)pdo;
found.Add(uri.CurrentTraversalUri, pdo);
//uri has one level popped, pass the modified uri and
//the newly found folder to the next level of recursion
Retrieve(device, nextFolder, ref uri, ref found);
}
else
{
//bad key (found name but not a folder and keystack isn't empty, so just return)
//do nothing
}
}
else
{
//finished
found.Add(uri.CurrentTraversalUri, pdo);
}
}