Class: Recls::Ximpl::FileStat::ByHandleInformation

Inherits:
Object
  • Object
show all
Defined in:
lib/recls/ximpl/windows.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ ByHandleInformation

Returns a new instance of ByHandleInformation.



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# File 'lib/recls/ximpl/windows.rb', line 75

def initialize(path)

	@volume_id	=	0
	@file_index	=	0
	@num_links	=	0

	# for some reason not forcing this new string causes 'can't modify frozen string (TypeError)' (in Ruby 1.8.x)
	hFile = CreateFile.call("#{path}", 0, 0, NULL, OPEN_EXISTING, 0, NULL);
	if INVALID_HANDLE_VALUE != hFile

		begin
			bhfi	=	[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
			bhfi	=	bhfi.pack(BHFI_pack_string)

			if GetFileInformationByHandle.call(hFile, bhfi)

				bhfi		=	bhfi.unpack(BHFI_pack_string)

				@volume_id	=	bhfi[4]
				@file_index	=	(bhfi[8] << 32) | bhfi[9]
				@num_links	=	bhfi[7]
			else
			end
		ensure
			CloseHandle.call(hFile)
		end
	end
end

Instance Attribute Details

#file_index ⇒ Object (readonly)

Returns the value of attribute file_index.



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# File 'lib/recls/ximpl/windows.rb', line 105

def file_index
  @file_index
end

#num_links ⇒ Object (readonly)

Returns the value of attribute num_links.



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# File 'lib/recls/ximpl/windows.rb', line 106

def num_links
  @num_links
end

#volume_id ⇒ Object (readonly)

Returns the value of attribute volume_id.



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# File 'lib/recls/ximpl/windows.rb', line 104

def volume_id
  @volume_id
end