/// <summary>
/// Attempts to get a directory entry for a path in a file system.
/// </summary>
/// <param name="aPath">The path.</param>
/// <param name="aFS">The file system.</param>
/// <returns>A directory entry for the path.</returns>
/// <exception cref="ArgumentNullException">aFS</exception>
/// <exception cref="Exception">Path part ' + xPathPart + ' not found!</exception>
private DirectoryEntry DoGetDirectoryEntry(string aPath, FileSystem aFS)
{
Global.mFileSystemDebugger.SendInternal("CosmosVFS.DoGetDirectoryEntry:");
if (String.IsNullOrEmpty(aPath))
{
throw new ArgumentException("Argument is null or empty", nameof(aPath));
}
if (aFS == null)
{
throw new ArgumentNullException(nameof(aFS));
}
Global.mFileSystemDebugger.SendInternal("aPath =");
Global.mFileSystemDebugger.SendInternal(aPath);
string[] xPathParts = VFSManager.SplitPath(aPath);
DirectoryEntry xBaseDirectory = GetVolume(aFS);
if (xPathParts.Length == 1)
{
Global.mFileSystemDebugger.SendInternal("Returning the volume.");
return(xBaseDirectory);
}
// start at index 1, because 0 is the volume
for (int i = 1; i < xPathParts.Length; i++)
{
var xPathPart = xPathParts[i].ToLower();
Global.mFileSystemDebugger.SendInternal("xPathPart =");
Global.mFileSystemDebugger.SendInternal(xPathPart);
var xPartFound = false;
var xListing = aFS.GetDirectoryListing(xBaseDirectory);
for (int j = 0; j < xListing.Count; j++)
{
var xListingItem = xListing[j];
string xListingItemName = xListingItem.mName.ToLower();
xPathPart = xPathPart.ToLower();
Global.mFileSystemDebugger.SendInternal("xListingItemName =");
Global.mFileSystemDebugger.SendInternal(xListingItemName);
if (xListingItemName == xPathPart)
{
Global.mFileSystemDebugger.SendInternal("Found path part.");
xBaseDirectory = xListingItem;
xPartFound = true;
}
}
if (!xPartFound)
{
throw new Exception("Path part '" + xPathPart + "' not found!");
}
}
return(xBaseDirectory);
}
private Directory DoGetDirectory(string aPath, Cosmos.System.FileSystem.FileSystem aFS)
{
if (aFS == null)
{
throw new Exception("File system can not be null.");
}
FatHelpers.Debug("In SentinelVFS.DoGetDirectory");
FatHelpers.Debug("Path = " + aPath);
string[] xPathParts = VFSManager.SplitPath(aPath);
if (xPathParts.Length == 1)
{
return(GetVolume(aFS, aPath));
}
Directory xBaseDirectory = null;
// start at index 1, because 0 is the volume
for (int i = 1; i < xPathParts.Length; i++)
{
var xPathPart = xPathParts[i];
var xPartFound = false;
var xListing = aFS.GetDirectoryListing(xBaseDirectory);
for (int j = 0; j < xListing.Count; j++)
{
var xListingItem = xListing[j];
if (String.Equals(xListingItem.Name, xPathPart, StringComparison.OrdinalIgnoreCase))
{
if (xListingItem is Directory)
{
xBaseDirectory = (Directory)xListingItem;
xPartFound = true;
}
else
{
throw new Exception("Path part '" + xPathPart + "' found, but not a directory!");
}
}
}
if (!xPartFound)
{
throw new Exception("Path part '" + xPathPart + "' not found!");
}
}
return(xBaseDirectory);
}
private DirectoryEntry DoGetDirectoryEntry(string aPath, FileSystem aFS)
{
if (aFS == null)
{
throw new ArgumentNullException("aFS");
}
string[] xPathParts = VFSManager.SplitPath(aPath);
if (xPathParts.Length == 1)
{
return(GetVolume(aFS));
}
DirectoryEntry xBaseDirectory = null;
// start at index 1, because 0 is the volume
for (int i = 1; i < xPathParts.Length; i++)
{
var xPathPart = xPathParts[i];
var xPartFound = false;
var xListing = aFS.GetDirectoryListing(xBaseDirectory);
for (int j = 0; j < xListing.Count; j++)
{
var xListingItem = xListing[j];
if (string.Equals(xListingItem.mName, xPathPart, StringComparison.OrdinalIgnoreCase))
{
xBaseDirectory = xListingItem;
xPartFound = true;
}
}
if (!xPartFound)
{
throw new Exception("Path part '" + xPathPart + "' not found!");
}
}
return(xBaseDirectory);
}
private DirectoryEntry DoGetDirectory(string aPath, FileSystem aFS)
{
if (aFS == null)
{
throw new ArgumentNullException("aFS");
}
string[] xPathParts = VFSManager.SplitPath(aPath);
if (xPathParts.Length == 1)
{
return GetVolume(aFS);
}
DirectoryEntry xBaseDirectory = null;
// start at index 1, because 0 is the volume
for (int i = 1; i < xPathParts.Length; i++)
{
var xPathPart = xPathParts[i];
var xPartFound = false;
var xListing = aFS.GetDirectoryListing(xBaseDirectory);
for (int j = 0; j < xListing.Count; j++)
{
var xListingItem = xListing[j];
if (string.Equals(xListingItem.mName, xPathPart, StringComparison.OrdinalIgnoreCase))
{
if (xListingItem.mEntryType == DirectoryEntryTypeEnum.Directory)
{
xBaseDirectory = xListingItem;
xPartFound = true;
}
else
{
throw new Exception("Path part '" + xPathPart + "' found, but not a directory!");
}
}
}
if (!xPartFound)
{
throw new Exception("Path part '" + xPathPart + "' not found!");
}
}
return xBaseDirectory;
}
/// <summary>
/// Attempts to get a directory entry for a path in a file system.
/// </summary>
/// <param name="aPath">The path.</param>
/// <param name="aFS">The file system.</param>
/// <returns>A directory entry for the path.</returns>
/// <exception cref="ArgumentNullException">aFS</exception>
/// <exception cref="Exception">Path part ' + xPathPart + ' not found!</exception>
private DirectoryEntry DoGetDirectoryEntry(string aPath, FileSystem aFS)
{
Global.mFileSystemDebugger.SendInternal("CosmosVFS.DoGetDirectoryEntry:");
if (String.IsNullOrEmpty(aPath))
{
throw new ArgumentException("Argument is null or empty", nameof(aPath));
}
if (aFS == null)
{
throw new ArgumentNullException(nameof(aFS));
}
Global.mFileSystemDebugger.SendInternal("aPath =");
Global.mFileSystemDebugger.SendInternal(aPath);
string[] xPathParts = VFSManager.SplitPath(aPath);
if (xPathParts.Length == 1)
{
Global.mFileSystemDebugger.SendInternal("Returning the volume.");
return GetVolume(aFS);
}
DirectoryEntry xBaseDirectory = null;
// start at index 1, because 0 is the volume
for (int i = 1; i < xPathParts.Length; i++)
{
var xPathPart = xPathParts[i].ToLower();
Global.mFileSystemDebugger.SendInternal("xPathPart =");
Global.mFileSystemDebugger.SendInternal(xPathPart);
var xPartFound = false;
var xListing = aFS.GetDirectoryListing(xBaseDirectory);
for (int j = 0; j < xListing.Count; j++)
{
var xListingItem = xListing[j];
string xListingItemName = xListingItem.mName.ToLower();
xPathPart = xPathPart.ToLower();
Global.mFileSystemDebugger.SendInternal("xListingItemName =");
Global.mFileSystemDebugger.SendInternal(xListingItemName);
if (xListingItemName == xPathPart)
{
Global.mFileSystemDebugger.SendInternal("Found path part.");
xBaseDirectory = xListingItem;
xPartFound = true;
}
}
if (!xPartFound)
{
throw new Exception("Path part '" + xPathPart + "' not found!");
}
}
return xBaseDirectory;
}
