public override Stream OpenRead(string relativePath)
{
if (File.Exists(relativePath))
{
return(DoOpen(relativePath, FileAccess.Read));
}
VirtualFileStorageDriver d = FindDriverForPath(relativePath);
if (d != null)
{
return(d.OpenRead(relativePath.Substring(d.RootPath.Length)));
}
throw new FileNotFoundException("File not found.", RootPath + relativePath);
}
public Stream OpenRead(string fullPath)
{
if (String.IsNullOrWhiteSpace(fullPath))
{
throw new ArgumentException();
}
fullPath = FileUtil.NormalizePathSeparator(fullPath, false);
// Early test: if it is a file, we shortcut the process.
if (File.Exists(fullPath))
{
return(_root.DoOpen(fullPath, FileAccess.Read));
}
VirtualFileStorageDriver closestDriver = FindClosestDriver(fullPath);
return(closestDriver.OpenRead(fullPath.Substring(closestDriver.RootPath.Length)));
}