Class: Elzar::Cli::Runner

Inherits:
Object
  • Object
show all
Defined in:
lib/elzar/cli.rb

Direct Known Subclasses

Cook, Destroy, Init, Preheat

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.required_argument(*arg_names) ⇒ Object 



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# File 'lib/elzar/cli.rb', line 20

def self.required_argument(*arg_names)
  @required_arguments ||= []
  @required_arguments += arg_names
end

.required_arguments ⇒ Object 



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# File 'lib/elzar/cli.rb', line 25

def self.required_arguments
  @required_arguments || []
end

.run(*args) ⇒ Object 



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# File 'lib/elzar/cli.rb', line 14

def self.run(*args)
  runner = new(*args)
  runner.require_arguments!
  runner.run
end

Instance Method Details

#require_arguments! ⇒ Object

Raises:



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# File 'lib/elzar/cli.rb', line 29

def require_arguments!
  missing_arguments = self.class.required_arguments.select do |arg|
    arg_value = self.instance_variable_get(:"@#{arg}")
    arg_value.to_s.strip.empty?
  end

  raise MissingArgumentsError.new(cmd, missing_arguments) unless missing_arguments.empty?
end