Class: Ephem::IO::EndiannessManager

Inherits:
Object
  • Object
show all
Defined in:
lib/ephem/io/endianness_manager.rb

Constant Summary collapse

FORMATS =

Mapping of format to endianness

{
  "BIG-IEEE" => :big,
  "LTL-IEEE" => :little
}.freeze
FTPSTR =

Fixed-length Transfer Protocol String

"FTPSTR:\r:\n:\r\n:\r\x00:\x81:\x10\xce:ENDFTP".b.freeze

Instance Method Summary collapse

Constructor Details

#initialize(file_record) ⇒ EndiannessManager

Returns a new instance of EndiannessManager.



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# File 'lib/ephem/io/endianness_manager.rb', line 15

def initialize(file_record)
  @file_record = file_record
  @locator_identifier = extract_locator_identifier
end

Instance Method Details

#detect_endianness ⇒ Object 



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# File 'lib/ephem/io/endianness_manager.rb', line 20

def detect_endianness
  case @locator_identifier
  when "NAIF/DAF" then detect_from_naif_daf
  when /\ADAF\// then detect_from_daf_prefix
  else
    raise FileFormatError,
      "Invalid file identifier: #{@locator_identifier.inspect}"
  end
end