Class: Cups::Printer

Inherits:
Object
  • Object
show all
Defined in:
lib/cups/printer/printer.rb

Overview

Right now this just wraps the Cups.options_for hash using method_missing, allowing you to call things like Printer#printer_make_and_model on an instance.

Instance Method Summary collapse

Constructor Details

#initialize(printer = nil) ⇒ Printer

Creates a Cups::Printer object. Defaults to the default printer, if there is one.



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# File 'lib/cups/printer/printer.rb', line 10

def initialize(printer=nil)
  if printer.nil?
    raise "There is no default printer!" if !Cups.default_printer
    @printer = Cups.default_printer
  else
    raise "The printer or destination doesn't exist!" unless Cups.show_destinations.include?(printer)
    @printer = printer
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m) ⇒ Object

Call an options key on this object (with hyphens substituted with underscores). Passes onto super if no key is found or its value is nil.



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# File 'lib/cups/printer/printer.rb', line 22

def method_missing(m)
  get_options
  key = m.to_s.gsub(/\_/, "-")
  @options[key].nil? ? super : @options[key]
end