C# DirectoryEntry.Setup方法代码示例

 /// <summary>
 /// Allocates a vfs root directory entry.
 /// </summary>
 /// <param name="node">The vfs node, which corresponds to the root directory.</param>
 /// <returns>The created directory entry.</returns>
 /// <exception cref="System.ArgumentNullException">The specified node is invalid.</exception>
 /// <remarks>
 /// This method creates a directory entry, which has some special properties. The first one is, that
 /// its parent is itself. This provides for the ability to cd .. on the root to stay on the root.
 /// <para/>
 /// The next ability is to create specialized root directories to isolate processes from the remainder
 /// of the filesystem. Setting a root directory created using this method effectively limits the process
 /// to access inside of the newly created namespace.
 /// </remarks>
 public static DirectoryEntry AllocateRoot(IVfsNode node)
 {
     #if VFS_NO_EXCEPTIONS
     if (node == null)
         throw new ArgumentNullException(@"node");
     #endif // #if VFS_NO_EXCEPTIONS
     DirectoryEntry result = new DirectoryEntry();
     result.Setup(result, System.String.Empty, node);
     return result;
 }

        /// <summary>
        /// Allocates a new DirectoryEntry object for the given settings.
        /// </summary>
        /// <param name="parent">The parent directory entry.</param>
        /// <param name="name">The name of the entry to create.</param>
        /// <param name="node">The vfs node referenced by the directory entry.</param>
        /// <returns>The allocated directory entry.</returns>
        /// <exception cref="System.ArgumentNullException">If any one of the parameters is null.</exception>
        /// <exception cref="System.ArgumentException">If the name is zero-length.</exception>
        /// <remarks>
        /// This method is used to control the DirectoryEntry allocation and maintain a cache of them. Also used to
        /// prevent infinite name allocations.
        /// </remarks>
        public static DirectoryEntry Allocate(DirectoryEntry parent, string name, IVfsNode node)
        {
            //#if VFS_NO_EXCEPTIONS
            if (parent == null)
                throw new System.ArgumentNullException(@"parent");

            if (name == null)
                throw new System.ArgumentNullException(@"name");

            if (node == null)
                throw new System.ArgumentNullException(@"node");

            if (name.Length == 0)
                throw new System.ArgumentException(@"Invalid directory entry name."); // , @"name"
            // FIXME: Add precondition check for invalid characters
            // FIXME: Localize exception messages
            //#endif // #if VFS_NO_EXCEPTIONS

            DirectoryEntry directory = new DirectoryEntry();

            directory.Setup(parent, name, node);

            return directory;
        }