C# PathFormat类代码示例

      internal static void EncryptDecryptFileInternal(bool isFolder, string path, bool encrypt, PathFormat pathFormat)
      {
         string pathLp = Path.GetExtendedLengthPathInternal(null, path, pathFormat, GetFullPathOptions.RemoveTrailingDirectorySeparator | GetFullPathOptions.FullCheck);

         // Reset file/directory attributes.
         // MSDN: If lpFileName specifies a read-only file, the function fails and GetLastError returns ERROR_FILE_READ_ONLY.
         SetAttributesInternal(isFolder, null, pathLp, FileAttributes.Normal, true, PathFormat.LongFullPath);

         // EncryptFile() / DecryptFile()
         // In the ANSI version of this function, the name is limited to 248 characters.
         // To extend this limit to 32,767 wide characters, call the Unicode version of the function and prepend "\\?\" to the path.
         // 2013-01-13: MSDN does not confirm LongPath usage but a Unicode version of this function exists.

         if (!(encrypt
            ? NativeMethods.EncryptFile(pathLp)
            : NativeMethods.DecryptFile(pathLp, 0)))
         {
            int lastError = Marshal.GetLastWin32Error();
            switch ((uint)lastError)
            {
               case Win32Errors.ERROR_ACCESS_DENIED:
                  string root = Path.GetPathRoot(pathLp, false);
                  if (!string.Equals("NTFS", new DriveInfo(root).DriveFormat, StringComparison.OrdinalIgnoreCase))
                     throw new NotSupportedException(string.Format(CultureInfo.CurrentCulture, "The drive does not support NTFS encryption: [{0}]", root));
                  break;

               default:
                  if (lastError == Win32Errors.ERROR_FILE_NOT_FOUND && isFolder)
                     lastError = (int)Win32Errors.ERROR_PATH_NOT_FOUND;

                  NativeError.ThrowException(lastError, pathLp);
                  break;
            }
         }
      }

      internal static IEnumerable<AlternateDataStreamInfo> EnumerateAlternateDataStreamsInternal(KernelTransaction transaction, string path, PathFormat pathFormat)
      {
         using (var buffer = new SafeGlobalMemoryBufferHandle(Marshal.SizeOf(typeof(NativeMethods.WIN32_FIND_STREAM_DATA))))
         {
            path = Path.GetExtendedLengthPathInternal(transaction, path, pathFormat, GetFullPathOptions.RemoveTrailingDirectorySeparator | GetFullPathOptions.CheckInvalidPathChars | GetFullPathOptions.CheckAdditional);
            using (var handle = transaction == null 
               ? NativeMethods.FindFirstStreamW(path, NativeMethods.StreamInfoLevels.FindStreamInfoStandard, buffer, 0) 
               : NativeMethods.FindFirstStreamTransactedW(path, NativeMethods.StreamInfoLevels.FindStreamInfoStandard, buffer, 0, transaction.SafeHandle))
            {
               if (handle.IsInvalid)
               {
                  int errorCode = Marshal.GetLastWin32Error();
                  if (errorCode == Win32Errors.ERROR_HANDLE_EOF)
                     yield break;

                  NativeError.ThrowException(errorCode);
               }

               while (true)
               {
                  NativeMethods.WIN32_FIND_STREAM_DATA data = buffer.PtrToStructure<NativeMethods.WIN32_FIND_STREAM_DATA>();
                  yield return new AlternateDataStreamInfo(path, data);
                  if (!NativeMethods.FindNextStreamW(handle, buffer))
                  {
                     int lastError = Marshal.GetLastWin32Error();
                     if (lastError == Win32Errors.ERROR_HANDLE_EOF)
                        break;

                     NativeError.ThrowException(lastError, path);
                  }
               }
            }
         }
      }

      internal static DirectoryInfo GetParentInternal(KernelTransaction transaction, string path, PathFormat pathFormat)
      {
         string pathLp = Path.GetExtendedLengthPathInternal(transaction, path, pathFormat, GetFullPathOptions.CheckInvalidPathChars);

         pathLp = Path.GetRegularPathInternal(pathLp, GetFullPathOptions.None);
         string dirName = Path.GetDirectoryName(pathLp, false);

         return Utils.IsNullOrWhiteSpace(dirName) ? null : new DirectoryInfo(transaction, dirName, PathFormat.RelativePath);
      }

        public void Parse(DirectoryInfo moaiSourceDirectory, PathFormat messagePathFormat)
        {
            // Check that the input directory looks like the Moai src directory
            if (!moaiSourceDirectory.GetDirectoryInfo("moai-core").Exists) {
                throw new ApplicationException(string.Format("Path '{0}' does not appear to be the 'src' directory of a Moai source copy.", moaiSourceDirectory));
            }

            // Initialize type list with primitive types
            typesByName = new Dictionary<string, MoaiType>();
            var primitiveTypeNames = new[] { "nil", "boolean", "number", "string", "userdata", "function", "thread", "table" };
            foreach (string primitiveTypeName in primitiveTypeNames) {
                typesByName[primitiveTypeName] = new MoaiType { Name = primitiveTypeName, IsPrimitive = true };
            }

            // Parse Moai types and store them by type name
            log.Info("Parsing Moai types.");
            ParseMoaiCodeFiles(moaiSourceDirectory, messagePathFormat);

            // MOAILuaObject is not documented, probably because it would mess up
            // the Doxygen-generated documentation. Use dummy code instead.
            log.Info("Adding hard-coded documentation for MoaiLuaObject base class.");
            FilePosition dummyFilePosition = new FilePosition(new FileInfo("MoaiLuaObject dummy code"), new DirectoryInfo("."), messagePathFormat);
            ParseMoaiFile(MoaiLuaObject.DummyCode, dummyFilePosition);

            // Make sure every class directly or indirectly inherits from MOAILuaObject
            MoaiType moaiLuaObjectType = GetOrCreateType("MOAILuaObject", null);
            foreach (MoaiType type in typesByName.Values) {
                if (!(type.AncestorTypes.Contains(moaiLuaObjectType)) && type != moaiLuaObjectType) {
                    type.BaseTypes.Add(moaiLuaObjectType);
                }
            }

            // Check if we have information on all referenced classes
            IEnumerable<MoaiType> typesReferencedInDocumentation = typesByName.Values
                .Where(type => type.DocumentationReferences.Any());
            foreach (MoaiType type in typesReferencedInDocumentation.ToArray()) {
                WarnIfSpeculative(type);
            }

            log.Info("Creating compact method signatures.");
            foreach (MoaiType type in typesByName.Values) {
                foreach (MoaiMethod method in type.Members.OfType<MoaiMethod>()) {
                    if (!method.Overloads.Any()) {
                        log.WarnFormat("No method documentation found. [{0}]", method.MethodPosition);
                        continue;
                    }

                    try {
                        method.InParameterSignature = GetCompactSignature(method.Overloads.Select(overload => overload.InParameters.ToArray()));
                        method.OutParameterSignature = GetCompactSignature(method.Overloads.Select(overload => overload.OutParameters.ToArray()));
                    } catch (Exception e) {
                        log.WarnFormat("Error determining method signature. {0} [{1}]", e.Message, method.MethodPosition);
                    }
                }
            }
        }

      /// <summary>[AlphaFS] Check if the directory has permission inheritance enabled.</summary>
      /// <returns><see langword="true"/> if permission inheritance is enabled, <see langword="false"/> if permission inheritance is disabled.</returns>
      /// <param name="path">The full path to the directory to check.</param>
      /// <param name="pathFormat">Indicates the format of the path parameter(s).</param>
      public static bool HasInheritedPermissions(string path, PathFormat pathFormat)
      {
         if (Utils.IsNullOrWhiteSpace(path))
            throw new ArgumentNullException("path");

         //DirectorySecurity acl = GetAccessControl(directoryPath);
         DirectorySecurity acl = File.GetAccessControlInternal<DirectorySecurity>(true, path, AccessControlSections.Access | AccessControlSections.Group | AccessControlSections.Owner, pathFormat);

         return acl.GetAccessRules(false, true, typeof(SecurityIdentifier)).Count > 0;
      }

      public FileInfo Replace(string destinationFileName, string destinationBackupFileName, PathFormat pathFormat)
      {
         var options = GetFullPathOptions.RemoveTrailingDirectorySeparator | GetFullPathOptions.FullCheck;

         string destinationFileNameLp = Path.GetExtendedLengthPathInternal(Transaction, destinationFileName, pathFormat, options);
         string destinationBackupFileNameLp = Path.GetExtendedLengthPathInternal(Transaction, destinationBackupFileName, pathFormat, options);

         File.ReplaceInternal(LongFullName, destinationFileNameLp, destinationBackupFileNameLp, false, PathFormat.LongFullPath);

         return new FileInfo(Transaction, destinationFileNameLp, PathFormat.LongFullPath);
      }

      /// <summary>Initializes a Shell32Info instance.
      /// <remarks>Shell32 is limited to MAX_PATH length.</remarks>
      /// <remarks>This constructor does not check if a file exists. This constructor is a placeholder for a string that is used to access the file in subsequent operations.</remarks>
      /// </summary>
      /// <param name="fileName">The fully qualified name of the new file, or the relative file name. Do not end the path with the directory separator character.</param>
      /// <param name="pathFormat">Indicates the format of the path parameter(s).</param>
      public Shell32Info(string fileName, PathFormat pathFormat)
      {
         if (Utils.IsNullOrWhiteSpace(fileName))
            throw new ArgumentNullException("fileName");

         // Shell32 is limited to MAX_PATH length.
         // Get a full path of regular format.

         FullPath = Path.GetExtendedLengthPathInternal(null, fileName, pathFormat, GetFullPathOptions.RemoveTrailingDirectorySeparator | GetFullPathOptions.FullCheck);

         Initialize();
      }

      internal static FileEncryptionStatus GetEncryptionStatusInternal(string path, PathFormat pathFormat)
      {
         if (pathFormat != PathFormat.LongFullPath && Utils.IsNullOrWhiteSpace(path))
            throw new ArgumentNullException("path");

         string pathLp = Path.GetExtendedLengthPathInternal(null, path, pathFormat, GetFullPathOptions.RemoveTrailingDirectorySeparator | GetFullPathOptions.FullCheck);

         FileEncryptionStatus status;

         // FileEncryptionStatus()
         // In the ANSI version of this function, the name is limited to 248 characters.
         // To extend this limit to 32,767 wide characters, call the Unicode version of the function and prepend "\\?\" to the path.
         // 2013-01-13: MSDN does not confirm LongPath usage but a Unicode version of this function exists.

         if (!NativeMethods.FileEncryptionStatus(pathLp, out status))
            NativeError.ThrowException(Marshal.GetLastWin32Error(), pathLp);

         return status;
      }

 public static void Move(string sourceFileName, string destinationFileName, PathFormat pathFormat)
 {
    CopyMoveInternal(false, null, sourceFileName, destinationFileName, false, null, MoveOptions.CopyAllowed, null, null, pathFormat);
 }

        private void ParseMoaiCodeFiles(DirectoryInfo moaiSourceDirectory, PathFormat messagePathFormat)
        {
            IEnumerable<FileInfo> codeFiles = Directory
                .EnumerateFiles(moaiSourceDirectory.FullName, "*.*", SearchOption.AllDirectories)
                .Where(name => name.EndsWith(".cpp") || name.EndsWith(".h"))
                .Select(name => new FileInfo(name));

            foreach (var codeFile in codeFiles) {
                FilePosition filePosition = new FilePosition(codeFile, moaiSourceDirectory, messagePathFormat);
                ParseMoaiCodeFile(codeFile, filePosition);
            }
        }

 public static string[] ReadAllLines(string path, Encoding encoding, PathFormat pathFormat)
 {
    return ReadAllLinesInternal(null, path, encoding, pathFormat).ToArray();
 }

 public static void Delete(string path, bool ignoreReadOnly, PathFormat pathFormat)
 {
    DeleteFileInternal(null, path, ignoreReadOnly, pathFormat);
 }

 public static string ReadAllText(string path, Encoding encoding, PathFormat pathFormat)
 {
    return ReadAllTextInternal(null, path, encoding, pathFormat);
 }

 internal static string ReadAllTextInternal(KernelTransaction transaction, string path, Encoding encoding, PathFormat pathFormat)
 {
    using (StreamReader sr = new StreamReader(OpenInternal(transaction, path, FileMode.Open, 0, FileAccess.Read, FileShare.Read, ExtendedFileAttributes.SequentialScan, pathFormat), encoding))
       return sr.ReadToEnd();
 }

 public static long CountFileSystemObjects(string path, DirectoryEnumerationOptions options, PathFormat pathFormat)
 {
    return EnumerateFileSystemEntryInfosInternal<string>(null, path, Path.WildcardStarMatchAll, options, pathFormat).Count();
 }