internal NodeVirtualFileInfo Create(VirtualFilePath Path, VirtualFileType CreateType, bool ErrorIfExists)
{
string FileName;
var ParentDirectory = LocateParentNode(Path, out FileName);
if (ParentDirectory.ContainsChild(FileName))
{
if (ErrorIfExists)
{
throw (new IOException("File Already Exists"));
}
else
{
return ParentDirectory.GetChild(FileName);
}
}
else
{
return ParentDirectory.AddChild(FileName, CreateType);
}
}
public static VirtualFileType Resolve(string request)
{
VirtualFileType type = new VirtualFileType();
type.RequestPath = request;
bool containsMlv = request.ToUpper().Contains(".MLV");
bool containsRaw = request.ToUpper().Contains(".RAW");
string ext = "";
string storeDirExt = "";
if (containsMlv)
{
ext = ".MLV";
storeDirExt = ".MLD";
}
else
{
ext = ".RAW";
storeDirExt = ".RAD";
}
type.LocalPath = GetLocalName(RootPath, request);
type.MlvFilePath = GetMlvFileName(type.LocalPath);
if(!File.Exists(type.MlvFilePath))
{
type.Type = FileType.Direct;
type.LocalPath = GetLocalName(RootPath, request);
return type;
}
FileInfo mlvFileInfo = new FileInfo(type.MlvFilePath);
type.MlvBaseName = mlvFileInfo.Name.ToUpper().Replace(ext, "");
if (mlvFileInfo.Directory != null)
{
type.MlvStoreDir = mlvFileInfo.Directory.FullName + Path.DirectorySeparatorChar + type.MlvBaseName + storeDirExt;
}
if (request.ToUpper().EndsWith(ext))
{
type.LocalPath = "";
type.Type = FileType.PureVirtualDir;
return type;
}
else if (containsMlv || containsRaw)
{
/* strip the requested file within that directory. e.g. 'M12-3456_<anything>' or 'foo.txt' */
string requestedFile = type.LocalPath.Replace(type.MlvFilePath + Path.DirectorySeparatorChar, "");
/* is this not a M12-3456_<anything> filename? or is it a directory? */
if (!requestedFile.StartsWith(type.MlvBaseName) || requestedFile.Contains(Path.DirectorySeparatorChar))
{
type.Type = FileType.Redirected;
type.LocalPath = type.MlvStoreDir + Path.DirectorySeparatorChar + requestedFile;
return type;
}
string content = requestedFile.Replace(type.MlvBaseName, "").Trim('_');
/* save location in virtual directory in the "LocalPath" field */
type.LocalPath = type.MlvStoreDir + Path.DirectorySeparatorChar + requestedFile;
if (File.Exists(type.LocalPath))
{
type.Type = FileType.Redirected;
return type;
}
if (!MLVAccessor.FileExists(type.MlvFilePath, content))
{
type.Type = FileType.Redirected;
return type;
}
type.Type = FileType.PureVirtualFile;
type.MlvFileContent = content.ToUpper();
return type;
}
type.Type = FileType.Direct;
type.LocalPath = GetLocalName(RootPath, request);
return type;
}
private NodeVirtualFileInfo AddChild(string Part, VirtualFileType Type)
{
var That = new NodeVirtualFileInfo(Part, Type, this);
{
this.Childs.Add(That);
this.ChildsByName.Add(Part, That);
}
return That;
}
public NodeVirtualFileInfo(string Name, VirtualFileType Type, NodeVirtualFileInfo Parent = null)
{
this.Name = Name;
this.Type = Type;
this.Parent = Parent;
}