/// <summary>
/// Function to update the information about this file.
/// </summary>
/// <param name="fileSize">Size of the file.</param>
/// <param name="fileOffset">Offset of the file in a packed file file system.</param>
/// <param name="createDate">Date of creation for the file.</param>
/// <param name="mountPoint">Mount point for the file.</param>
/// <param name="physicalPath">Physical path for the file.</param>
/// <param name="provider">Provider that can access the file.</param>
internal void Update(long?fileSize, int?fileOffset, DateTime?createDate, string mountPoint,
string physicalPath, GorgonFileSystemProvider provider)
{
if (fileSize.HasValue)
{
Size = fileSize.Value;
}
if (fileOffset.HasValue)
{
Offset = fileOffset.Value;
}
if (createDate.HasValue)
{
CreateDate = createDate.Value;
}
if (!string.IsNullOrWhiteSpace(mountPoint))
{
MountPoint = mountPoint;
}
if (provider != null)
{
Provider = provider;
}
if (!string.IsNullOrWhiteSpace(physicalPath))
{
PhysicalFileSystemPath = physicalPath;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="GorgonFileSystemFileEntry"/> class.
/// </summary>
/// <param name="provider">The file system provider that owns this file.</param>
/// <param name="directory">The directory that holds this file.</param>
/// <param name="fileName">The file name of the file.</param>
/// <param name="mountPoint">The mount point that holds the file.</param>
/// <param name="physicalPath">Path to the file on the physical file system.</param>
/// <param name="fileSize">Size of the file in bytes.</param>
/// <param name="offset">Offset of the file within a packed file.</param>
/// <param name="createDate">Create date for the file.</param>
internal GorgonFileSystemFileEntry(GorgonFileSystemProvider provider, GorgonFileSystemDirectory directory, string fileName, string mountPoint, string physicalPath, long fileSize, long offset, DateTime createDate)
: base(fileName.RemoveIllegalFilenameChars())
{
Provider = provider;
Directory = directory;
Extension = Path.GetExtension(Name);
BaseFileName = Path.GetFileNameWithoutExtension(fileName);
if (string.IsNullOrEmpty(physicalPath))
{
PhysicalFileSystemPath = Name;
MountPoint = mountPoint;
}
else
{
MountPoint = mountPoint;
PhysicalFileSystemPath = physicalPath;
}
Offset = offset;
Size = fileSize;
CreateDate = createDate;
}
/// <summary>
/// Function to update the file information for a file.
/// </summary>
/// <param name="fileSize">The file size. Pass NULL (Nothing in VB.Net) to leave unchanged.</param>
/// <param name="fileOffset">The offset of the file within a packed file. Pass NULL (Nothing in VB.Net) to leave unchanged.</param>
/// <param name="createDate">The date/time the file was created. Pass NULL (Nothing in VB.Net) to leave unchanged.</param>
/// <param name="physicalPath">A new file system provider for the file. Pass NULL (Nothing in VB.Net) or an empty string to leave unchanged.</param>
/// <param name="provider">A new file system provider for the file. Pass NULL (Nothing in VB.Net) to leave unchanged.</param>
protected void UpdateFileInfo(long?fileSize, int?fileOffset, DateTime?createDate, string physicalPath, GorgonFileSystemProvider provider)
{
if (FileEntry == null)
{
return;
}
FileEntry.Update(fileSize, fileOffset, createDate, null, physicalPath, provider);
}
/// <summary>
/// Function to create a new or return an existing file system provider instance.
/// </summary>
/// <returns>The file system provider.</returns>
internal GorgonFileSystemProvider CreateProvider()
{
return(_provider ?? (_provider = OnCreateProvider()));
}