Class: StarEthernet::Status

Inherits:
Object
  • Object
show all
Defined in:
lib/star_ethernet/status.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(printer) ⇒ Status

Returns a new instance of Status.



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# File 'lib/star_ethernet/status.rb', line 7

def initialize(printer)
  @printer = printer
  @status_items = []
end

Instance Attribute Details

#status_items ⇒ Object (readonly)

Returns the value of attribute status_items.



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# File 'lib/star_ethernet/status.rb', line 5

def status_items
  @status_items
end

Instance Method Details

#current_status ⇒ Object 



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# File 'lib/star_ethernet/status.rb', line 12

def current_status
  @status_items.last
end

#etb_incremented? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/star_ethernet/status.rb', line 20

def etb_incremented?
  return false if previous_status.nil?
  if previous_status.etb == 31 # ETB overflow
    current_status.etb == 0
  else
    current_status.etb == previous_status.etb + 1
  end
end

#full_messages ⇒ Object 



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# File 'lib/star_ethernet/status.rb', line 35

def full_messages
  <<~"EOS"
  #{@printer.host} printer's statuses are
  #{@status_items.map{ |status_item| status_item.message }.join("\n")}
  EOS
end

#previous_status ⇒ Object 



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# File 'lib/star_ethernet/status.rb', line 16

def previous_status
  @status_items[-2]
end

#set_status(status_data, purpose = '') ⇒ Object 



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# File 'lib/star_ethernet/status.rb', line 29

def set_status(status_data, purpose = '')
  current_status = StatusItem.decode_status(status_data)
  current_status.purpose = purpose
  @status_items.push(current_status)
end