NTFSSecurity/AlphaFS/Filesystem/DirectoryInfo Class/DirectoryInfo.CreateSubdirectory.cs

/*  Copyright (C) 2008-2016 Peter Palotas, Jeffrey Jangli, Alexandr Normuradov
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using System;
using System.Security;
using System.Security.AccessControl;

namespace Alphaleonis.Win32.Filesystem
{
   partial class DirectoryInfo
   {
      #region .NET

      /// <summary>Creates a subdirectory or subdirectories on the specified path. The specified path can be relative to this instance of the <see cref="DirectoryInfo"/> class.</summary>
      /// <param name="path">The specified path. This cannot be a different disk volume.</param>
      /// <returns>The last directory specified in <paramref name="path"/>.</returns>
      /// <remarks>
      /// Any and all directories specified in path are created, unless some part of path is invalid.
      /// The path parameter specifies a directory path, not a file path.
      /// If the subdirectory already exists, this method does nothing.
      /// </remarks>

      [SecurityCritical]
      public DirectoryInfo CreateSubdirectory(string path)
      {
         return CreateSubdirectoryCore(path, null, null, false);
      }

      /// <summary>Creates a subdirectory or subdirectories on the specified path. The specified path can be relative to this instance of the <see cref="DirectoryInfo"/> class.</summary>
      /// <param name="path">The specified path. This cannot be a different disk volume.</param>
      /// <param name="directorySecurity">The <see cref="DirectorySecurity"/> security to apply.</param>
      /// <returns>The last directory specified in <paramref name="path"/>.</returns>
      /// <remarks>
      /// Any and all directories specified in path are created, unless some part of path is invalid.
      /// The path parameter specifies a directory path, not a file path.
      /// If the subdirectory already exists, this method does nothing.
      /// </remarks>

      [SecurityCritical]
      public DirectoryInfo CreateSubdirectory(string path, DirectorySecurity directorySecurity)
      {
         return CreateSubdirectoryCore(path, null, directorySecurity, false);
      }

      #endregion // .NET

      #region AlphaFS

      /// <summary>[AlphaFS] Creates a subdirectory or subdirectories on the specified path. The specified path can be relative to this instance of the <see cref="DirectoryInfo"/> class.</summary>
      /// <returns>The last directory specified in <paramref name="path"/>.</returns>
      /// <remarks>
      /// Any and all directories specified in path are created, unless some part of path is invalid.
      /// The path parameter specifies a directory path, not a file path.
      /// If the subdirectory already exists, this method does nothing.
      /// </remarks>
      /// <param name="path">The specified path. This cannot be a different disk volume.</param>
      /// <param name="compress">When <see langword="true"/> compresses the directory.</param>
      [SecurityCritical]
      public DirectoryInfo CreateSubdirectory(string path, bool compress)
      {
         return CreateSubdirectoryCore(path, null, null, compress);
      }

      /// <summary>[AlphaFS] Creates a subdirectory or subdirectories on the specified path. The specified path can be relative to this instance of the <see cref="DirectoryInfo"/> class.</summary>
      /// <param name="path">The specified path. This cannot be a different disk volume.</param>
      /// <param name="templatePath">The path of the directory to use as a template when creating the new directory.</param>
      /// <param name="compress">When <see langword="true"/> compresses the directory.</param>
      /// <returns>The last directory specified in <paramref name="path"/>.</returns>
      /// <remarks>
      /// Any and all directories specified in path are created, unless some part of path is invalid.
      /// The path parameter specifies a directory path, not a file path.
      /// If the subdirectory already exists, this method does nothing.
      /// </remarks>

      [SecurityCritical]
      public DirectoryInfo CreateSubdirectory(string path, string templatePath, bool compress)
      {
         return CreateSubdirectoryCore(path, templatePath, null, compress);
      }


      /// <summary>[AlphaFS] Creates a subdirectory or subdirectories on the specified path. The specified path can be relative to this instance of the <see cref="DirectoryInfo"/> class.</summary>
      /// <param name="path">The specified path. This cannot be a different disk volume.</param>
      /// <param name="directorySecurity">The <see cref="DirectorySecurity"/> security to apply.</param>
      /// <param name="compress">When <see langword="true"/> compresses the directory.</param>
      /// <returns>The last directory specified in <paramref name="path"/>.</returns>
      /// <remarks>
      /// Any and all directories specified in path are created, unless some part of path is invalid.
      /// The path parameter specifies a directory path, not a file path.
      /// If the subdirectory already exists, this method does nothing.
      /// </remarks>

      [SecurityCritical]
      public DirectoryInfo CreateSubdirectory(string path, DirectorySecurity directorySecurity, bool compress)
      {
         return CreateSubdirectoryCore(path, null, directorySecurity, compress);
      }

      /// <summary>[AlphaFS] Creates a subdirectory or subdirectories on the specified path. The specified path can be relative to this instance of the <see cref="DirectoryInfo"/> class.</summary>
      /// <param name="templatePath">The path of the directory to use as a template when creating the new directory.</param>
      /// <param name="path">The specified path. This cannot be a different disk volume.</param>
      /// <param name="compress">When <see langword="true"/> compresses the directory.</param>
      /// <param name="directorySecurity">The <see cref="DirectorySecurity"/> security to apply.</param>
      /// <returns>The last directory specified in <paramref name="path"/>.</returns>
      /// <remarks>
      /// Any and all directories specified in path are created, unless some part of path is invalid.
      /// The path parameter specifies a directory path, not a file path.
      /// If the subdirectory already exists, this method does nothing.
      /// </remarks>

      [SecurityCritical]
      public DirectoryInfo CreateSubdirectory(string path, string templatePath, DirectorySecurity directorySecurity, bool compress)
      {
         return CreateSubdirectoryCore(path, templatePath, directorySecurity, compress);
      }

      #endregion // AlphaFS

      #region Internal Methods

      /// <summary>Creates a subdirectory or subdirectories on the specified path. The specified path can be relative to this instance of the DirectoryInfo class.</summary>
      /// <returns>The last directory specified in path as an <see cref="DirectoryInfo"/> object.</returns>
      /// <remarks>
      /// Any and all directories specified in path are created, unless some part of path is invalid.
      /// The path parameter specifies a directory path, not a file path.
      /// If the subdirectory already exists, this method does nothing.
      /// </remarks>
      /// <param name="path">The specified path. This cannot be a different disk volume or Universal Naming Convention (UNC) name.</param>
      /// <param name="templatePath">The path of the directory to use as a template when creating the new directory.</param>
      /// <param name="directorySecurity">The <see cref="DirectorySecurity"/> security to apply.</param>
      /// <param name="compress">When <see langword="true"/> compresses the directory.</param>
      [SecurityCritical]
      private DirectoryInfo CreateSubdirectoryCore(string path, string templatePath, DirectorySecurity directorySecurity, bool compress)
      {
         string pathLp = Path.CombineCore(false, LongFullName, path);
         string templatePathLp = templatePath == null ? null :
            Path.GetExtendedLengthPathCore(Transaction, templatePath, PathFormat.RelativePath, GetFullPathOptions.TrimEnd | GetFullPathOptions.RemoveTrailingDirectorySeparator);

         if (string.Compare(LongFullName, 0, pathLp, 0, LongFullName.Length, StringComparison.OrdinalIgnoreCase) != 0)
            throw new ArgumentException(Resources.Invalid_Subpath, pathLp);

         return Directory.CreateDirectoryCore(Transaction, pathLp, templatePathLp, directorySecurity, compress, PathFormat.LongFullPath);
      }

      #endregion // Internal Methods
   }
}