/// <summary>
/// Initializes a new base listing.
/// </summary>
/// <param name="aFileSystem">The file system to which the listing belongs.</param>
/// <param name="parent">The parent directory of the listing.</param>
/// <param name="aName">The name of the listing.</param>
/// <param name="isDirectory">Whether the listing is a directory or not.</param>
protected Base(FileSystem aFileSystem, Directory parent, FOS_System.String aName, bool isDirectory)
{
TheFileSystem = aFileSystem;
Name = aName;
IsDirectory = isDirectory;
Parent = parent;
}
/// <summary>
/// Copies the specified directory.
/// </summary>
/// <param name="srcDir">The directory to copy.</param>
/// <param name="dst">The path to copy to.</param>
private void CopyDirectory(Directory srcDir, FOS_System.String dst)
{
//If source directory is null, it means it wasn't found by the caller (or some
// other error but we will assume not found since that is the expected use
// case from the other overload of CopyDirectory).
if (srcDir == null)
{
console.WriteLine("Source directory not found!");
return;
}
//Add a trailing "/" to the destination path name
if(!dst.EndsWith(FileSystemManager.PathDelimiter))
{
dst += FileSystemManager.PathDelimiter;
}
//Creates the entire directory tree as required or returns
// the existing directory.
Directory dstDir = NewDirectory(dst);
//For explanation of this, see CopyFile
FOS_System.String srcFullPath = srcDir.GetFullPath();
FOS_System.String dstFullPath = dstDir.GetFullPath();
if (srcFullPath == dstFullPath)
{
console.WriteLine("Atempted to copy a directory to itself! (" + srcFullPath + ")");
return;
}
else
{
console.WriteLine("Copying " + srcFullPath + " to " + dstFullPath);
}
//Copy listings
// This causes CopyDirectory to be a recursive, self-calling method
// which could potentially overflow. It has the benefit though that
// the entire sub-directory/sub-file tree will be copied.
List listings = srcDir.GetListings();
for(int i = 0; i < listings.Count; i++)
{
Base listing = (Base)listings[i];
if(listing.IsDirectory)
{
if (listing.Name != "." && listing.Name != "..")
{
CopyDirectory((Directory)listing, dst + listing.Name + FileSystemManager.PathDelimiter);
}
}
else
{
CopyFile((File)listing, dst + listing.Name);
}
}
}
/// <summary>
/// Initializes a new file.
/// </summary>
/// <param name="aFileSystem">The file system to which the file belongs.</param>
/// <param name="parent">The parent directory of the file.</param>
/// <param name="aName">The name of the file.</param>
/// <param name="aSize">The exact size of the file in bytes.</param>
public File(FileSystem aFileSystem, Directory parent, FOS_System.String aName, UInt64 aSize)
: base(aFileSystem, parent, aName, false)
{
mSize = aSize;
}
/// <summary> /// Creates a new directory within the file system. /// </summary> /// <param name="name">The name of the directory to create.</param> /// <param name="parent">The parent directory of the new directory.</param> /// <returns>The new directory listing.</returns> public abstract Directory NewDirectory(FOS_System.String name, Directory parent);
/// <summary> /// Creates a new file within the file system. /// </summary> /// <param name="name">The name of the file to create.</param> /// <param name="parent">The parent directory of the new file.</param> /// <returns>The new file listing.</returns> public abstract File NewFile(FOS_System.String name, Directory parent);
/// <summary>
/// Gets a specific listing from the specified list of listings. Performs a recursive
/// search down the file system tree.
/// </summary>
/// <param name="nameParts">The parts of the full path of the listing to get.</param>
/// <param name="parent">The parent directory of the directory from which the listings were taken.</param>
/// <param name="listings">The listings to search through.</param>
/// <returns>The listing or null if not found.</returns>
public Base GetListingFromListings(List nameParts, Directory parent, List listings)
{
// ".." means "parent directory"
if (((FOS_System.String)nameParts[0]) == "..")
{
nameParts.RemoveAt(0);
if (nameParts.Count == 0)
{
return parent;
}
return parent.GetListing(nameParts);
}
for (int i = 0; i < listings.Count; i++)
{
Base aListing = (Base)listings[i];
if (aListing.Name == (FOS_System.String)nameParts[0])
{
nameParts.RemoveAt(0);
if (nameParts.Count == 0)
{
return aListing;
}
else if (aListing.IsDirectory)
{
return ((Directory)aListing).GetListing(nameParts);
}
}
}
return null;
}
/// <summary>
/// Initializes a new directory listing.
/// </summary>
/// <param name="aFileSystem">The file system to which the directory belongs.</param>
/// <param name="parent">The parent directory of the directory.</param>
/// <param name="aName">The name of the directory.</param>
public Directory(FileSystem aFileSystem, Directory parent, FOS_System.String aName)
: base(aFileSystem, parent, aName, true)
{
}
