/*  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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 *  copies of the Software, and to permit persons to whom the Software is 
 *  furnished to do so, subject to the following conditions:
 *  
 *  The above copyright notice and this permission notice shall be included in 
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 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
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 */

namespace Alphaleonis.Win32.Filesystem
{
   /// <summary>Indicates the format of a path passed to a method.</summary>
   /// <remarks>
   /// At some point in code you know the full path of file system objects, e.g.: "C:\Windows".
   /// For example, Directory.EnumerateFileSystemEntries() will return all files and directories from a given path.
   /// Most likely, some processing will happen on the results of the enum. The file or directory may be passed
   /// on to another function. Whenever a file path is required, some performance can be gained.
   /// <para>&#160;</para>
   /// A path like: "C:\Windows" or "\\server\share" is considered a full path for a directory because it is rooted and has a drive/unc path.
   /// If the method supports it, <see cref="PathFormat.FullPath"/> and <see cref="PathFormat.LongFullPath"/> will skip GetFullPath()
   /// calls for path resolving of the object, while also avoiding path validation and checks.
   /// Using <see cref="PathFormat.RelativePath"/> (default) will always call GetFullPath() and perform path validation and checks.
   /// <para>&#160;</para>
   /// When working in a loop with thousands of files, <see cref="PathFormat.LongFullPath"/> will give the best performance.
   /// </remarks>
   public enum PathFormat
   {
      /// <summary>The format of the path is automatically detected by the method and internally converted to an extended length path.
      /// It can be either a standard (short) full path, an extended length (unicode) full path or a relative path.
      /// <para>Example relative path: "Windows".</para>
      /// </summary>
      RelativePath,

      /// <summary>The path is a full path in either normal or extended length (UNICODE) format.
      /// Internally it will be converted to an extended length (UNICODE) path.
      /// Using this option has a very slight performance advantage compared to using <see cref="RelativePath"/>.
      /// <para>Example full path: "C:\Windows" or "\\server\share".</para>
      /// </summary>
      FullPath,

      /// <summary>The path is an extended length path. No additional processing will be done on the path, and it will be used as is.
      /// Using this option has a slight performance advantage compared to using <see cref="RelativePath"/>.
      /// <para>Example long full path: "\\?\C:\Windows" or "\\?\UNC\server\share".</para>
      /// </summary>
      LongFullPath
   }
}