Class: ChRad::IOManager

Inherits:
Object
  • Object
show all
Defined in:
lib/chrad/io_manager.rb

Direct Known Subclasses

InputManager, OutputManager

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#base ⇒ Object

Returns the value of attribute base.



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# File 'lib/chrad/io_manager.rb', line 5

def base
  @base
end

#digits ⇒ Object (readonly)

Returns the value of attribute digits.



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# File 'lib/chrad/io_manager.rb', line 7

def digits
  @digits
end

#mode ⇒ Object 



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# File 'lib/chrad/io_manager.rb', line 9

def mode
  @mode ||= DEFAULT_MODE
end

#separator ⇒ Object 



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# File 'lib/chrad/io_manager.rb', line 24

def separator
  @separator ||= DEFAULT_SEPARATOR
end

#stream ⇒ Object

Returns the value of attribute stream.



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# File 'lib/chrad/io_manager.rb', line 5

def stream
  @stream
end

Instance Method Details

#alphabet ⇒ Object 



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# File 'lib/chrad/io_manager.rb', line 28

def alphabet
  @alphabet ||= DEFAULT_ALPHABET
end

#alphabet=(str) ⇒ Object 



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# File 'lib/chrad/io_manager.rb', line 32

def alphabet=(str)
  @alphabet = automagic_find_alphabet(str)
end

#automagic_find_alphabet(str) ⇒ Object 



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# File 'lib/chrad/io_manager.rb', line 36

def automagic_find_alphabet(str)
  case str
  when /\Aname:(\w+)\Z/
    Alphabet.find($1) or raise Error, "No digit alphabet named \"#{$1}\""
  else
    Alphabet.new("custom_#{name}", str)
  end
end

#setup_base_digits! ⇒ Object 



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# File 'lib/chrad/io_manager.rb', line 45

def setup_base_digits!
  case mode
  when :alphabet
    if base > alphabet.length
      raise Error, "Trying to use base #{base}, but the input alphabet only has #{alphabet.length} characters."
    end

    @digits = alphabet[0, base]

  when :list
    # not needed in :list mode

  else
    raise Error, "Invalid mode #{mode.inspect}"
  end
end

#value_to_digit(value) ⇒ Object

Raises:



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# File 'lib/chrad/io_manager.rb', line 62

def value_to_digit(value)
  raise Error, '@digits == nil' if @digits.nil?
  @digits[value]
end