NTFSSecurity-Module/AlphaFS/Filesystem/Directory Class/Directory.CountFileSystemObjects.cs

/*  Copyright (C) 2008-2016 Peter Palotas, Jeffrey Jangli, Alexandr Normuradov
 *  
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 *  of this software and associated documentation files (the "Software"), to deal 
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using System;
using System.IO;
using System.Linq;
using System.Security;

namespace Alphaleonis.Win32.Filesystem
{
   partial class Directory
   {
      /// <summary>[AlphaFS] Counts file system objects: files, folders or both) in a given directory.</summary>
      /// <returns>The counted number of file system objects.</returns>
      /// <exception cref="ArgumentException"/>
      /// <exception cref="ArgumentNullException"/>
      /// <exception cref="DirectoryNotFoundException"/>
      /// <exception cref="IOException"/>
      /// <exception cref="NotSupportedException"/>
      /// <exception cref="UnauthorizedAccessException"/>
      /// <param name="path">The directory path.</param>
      /// <param name="options"><see cref="DirectoryEnumerationOptions"/> flags that specify how the directory is to be enumerated.</param>
      [SecurityCritical]
      public static long CountFileSystemObjects(string path, DirectoryEnumerationOptions options)
      {
         return EnumerateFileSystemEntryInfosCore<string>(null, path, Path.WildcardStarMatchAll, options, PathFormat.RelativePath).Count();
      }

      /// <summary>[AlphaFS] Counts file system objects: files, folders or both) in a given directory.</summary>
      /// <returns>The counted number of file system objects.</returns>
      /// <exception cref="ArgumentException"/>
      /// <exception cref="ArgumentNullException"/>
      /// <exception cref="DirectoryNotFoundException"/>
      /// <exception cref="IOException"/>
      /// <exception cref="NotSupportedException"/>
      /// <exception cref="UnauthorizedAccessException"/>
      /// <param name="path">The directory path.</param>
      /// <param name="options"><see cref="DirectoryEnumerationOptions"/> flags that specify how the directory is to be enumerated.</param>
      /// <param name="pathFormat">Indicates the format of the path parameter(s).</param>
      [SecurityCritical]
      public static long CountFileSystemObjects(string path, DirectoryEnumerationOptions options, PathFormat pathFormat)
      {
         return EnumerateFileSystemEntryInfosCore<string>(null, path, Path.WildcardStarMatchAll, options, pathFormat).Count();
      }



      /// <summary>[AlphaFS] Counts file system objects: files, folders or both) in a given directory.</summary>
      /// <returns>The counted number of file system objects.</returns>
      /// <exception cref="ArgumentException"/>
      /// <exception cref="ArgumentNullException"/>
      /// <exception cref="DirectoryNotFoundException"/>
      /// <exception cref="IOException"/>
      /// <exception cref="NotSupportedException"/>
      /// <exception cref="UnauthorizedAccessException"/>
      /// <param name="path">The directory path.</param>
      /// <param name="searchPattern">
      ///   The search string to match against the names of directories in <paramref name="path"/>.
      ///   This parameter can contain a combination of valid literal path and wildcard
      ///   (<see cref="Path.WildcardStarMatchAll"/> and <see cref="Path.WildcardQuestion"/>) characters, but does not support regular expressions.
      /// </param>
      /// <param name="options"><see cref="DirectoryEnumerationOptions"/> flags that specify how the directory is to be enumerated.</param>
      [SecurityCritical]
      public static long CountFileSystemObjects(string path, string searchPattern, DirectoryEnumerationOptions options)
      {
         return EnumerateFileSystemEntryInfosCore<string>(null, path, searchPattern, options, PathFormat.RelativePath).Count();
      }

      /// <summary>[AlphaFS] Counts file system objects: files, folders or both) in a given directory.</summary>
      /// <returns>The counted number of file system objects.</returns>
      /// <exception cref="ArgumentException"/>
      /// <exception cref="ArgumentNullException"/>
      /// <exception cref="DirectoryNotFoundException"/>
      /// <exception cref="IOException"/>
      /// <exception cref="NotSupportedException"/>
      /// <exception cref="UnauthorizedAccessException"/>
      /// <param name="path">The directory path.</param>
      /// <param name="searchPattern">
      ///   The search string to match against the names of directories in <paramref name="path"/>.
      ///   This parameter can contain a combination of valid literal path and wildcard
      ///   (<see cref="Path.WildcardStarMatchAll"/> and <see cref="Path.WildcardQuestion"/>) characters, but does not support regular expressions.
      /// </param>
      /// <param name="options"><see cref="DirectoryEnumerationOptions"/> flags that specify how the directory is to be enumerated.</param>
      /// <param name="pathFormat">Indicates the format of the path parameter(s).</param>
      [SecurityCritical]
      public static long CountFileSystemObjects(string path, string searchPattern, DirectoryEnumerationOptions options, PathFormat pathFormat)
      {
         return EnumerateFileSystemEntryInfosCore<string>(null, path, searchPattern, options, pathFormat).Count();
      }

      #region Transactional

      /// <summary>[AlphaFS] Counts file system objects: files, folders or both) in a given directory.</summary>
      /// <returns>The counted number of file system objects.</returns>
      /// <exception cref="ArgumentException"/>
      /// <exception cref="ArgumentNullException"/>
      /// <exception cref="DirectoryNotFoundException"/>
      /// <exception cref="IOException"/>
      /// <exception cref="NotSupportedException"/>
      /// <exception cref="UnauthorizedAccessException"/>
      /// <param name="transaction">The transaction.</param>
      /// <param name="path">The directory path.</param>
      /// <param name="options"><see cref="DirectoryEnumerationOptions"/> flags that specify how the directory is to be enumerated.</param>
      [SecurityCritical]
      public static long CountFileSystemObjectsTransacted(KernelTransaction transaction, string path, DirectoryEnumerationOptions options)
      {
         return EnumerateFileSystemEntryInfosCore<string>(transaction, path, Path.WildcardStarMatchAll, options, PathFormat.RelativePath).Count();
      }

      /// <summary>[AlphaFS] Counts file system objects: files, folders or both) in a given directory.</summary>
      /// <returns>The counted number of file system objects.</returns>
      /// <exception cref="ArgumentException"/>
      /// <exception cref="ArgumentNullException"/>
      /// <exception cref="DirectoryNotFoundException"/>
      /// <exception cref="IOException"/>
      /// <exception cref="NotSupportedException"/>
      /// <exception cref="UnauthorizedAccessException"/>
      /// <param name="transaction">The transaction.</param>
      /// <param name="path">The directory path.</param>
      /// <param name="options"><see cref="DirectoryEnumerationOptions"/> flags that specify how the directory is to be enumerated.</param>
      /// <param name="pathFormat">Indicates the format of the path parameter(s).</param>
      [SecurityCritical]
      public static long CountFileSystemObjectsTransacted(KernelTransaction transaction, string path, DirectoryEnumerationOptions options, PathFormat pathFormat)
      {
         return EnumerateFileSystemEntryInfosCore<string>(transaction, path, Path.WildcardStarMatchAll, options, pathFormat).Count();
      }



      /// <summary>[AlphaFS] Counts file system objects: files, folders or both) in a given directory.</summary>
      /// <returns>The counted number of file system objects.</returns>
      /// <exception cref="ArgumentException"/>
      /// <exception cref="ArgumentNullException"/>
      /// <exception cref="DirectoryNotFoundException"/>
      /// <exception cref="IOException"/>
      /// <exception cref="NotSupportedException"/>
      /// <exception cref="UnauthorizedAccessException"/>
      /// <param name="transaction">The transaction.</param>
      /// <param name="path">The directory path.</param>
      /// <param name="searchPattern">
      ///   The search string to match against the names of directories in <paramref name="path"/>.
      ///   This parameter can contain a combination of valid literal path and wildcard
      ///   (<see cref="Path.WildcardStarMatchAll"/> and <see cref="Path.WildcardQuestion"/>) characters, but does not support regular expressions.
      /// </param>
      /// <param name="options"><see cref="DirectoryEnumerationOptions"/> flags that specify how the directory is to be enumerated.</param>
      [SecurityCritical]
      public static long CountFileSystemObjectsTransacted(KernelTransaction transaction, string path, string searchPattern, DirectoryEnumerationOptions options)
      {
         return EnumerateFileSystemEntryInfosCore<string>(transaction, path, searchPattern, options, PathFormat.RelativePath).Count();
      }

      /// <summary>[AlphaFS] Counts file system objects: files, folders or both) in a given directory.</summary>
      /// <returns>The counted number of file system objects.</returns>
      /// <exception cref="ArgumentException"/>
      /// <exception cref="ArgumentNullException"/>
      /// <exception cref="DirectoryNotFoundException"/>
      /// <exception cref="IOException"/>
      /// <exception cref="NotSupportedException"/>
      /// <exception cref="UnauthorizedAccessException"/>
      /// <param name="transaction">The transaction.</param>
      /// <param name="path">The directory path.</param>
      /// <param name="searchPattern">
      ///   The search string to match against the names of directories in <paramref name="path"/>.
      ///   This parameter can contain a combination of valid literal path and wildcard
      ///   (<see cref="Path.WildcardStarMatchAll"/> and <see cref="Path.WildcardQuestion"/>) characters, but does not support regular expressions.
      /// </param>
      /// <param name="options"><see cref="DirectoryEnumerationOptions"/> flags that specify how the directory is to be enumerated.</param>
      /// <param name="pathFormat">Indicates the format of the path parameter(s).</param>
      [SecurityCritical]
      public static long CountFileSystemObjectsTransacted(KernelTransaction transaction, string path, string searchPattern, DirectoryEnumerationOptions options, PathFormat pathFormat)
      {
         return EnumerateFileSystemEntryInfosCore<string>(transaction, path, searchPattern, options, pathFormat).Count();
      }
      
      #endregion // Transactional
   }
}