Module: Croupier

Defined in:
lib/croupier.rb,
lib/croupier/exceptions.rb,
lib/croupier/distribution.rb,
lib/croupier/cli/application.rb,
lib/croupier/distributions/normal.rb,
lib/croupier/distributions/uniform.rb,
lib/croupier/distributions/exponential.rb

Overview

The module defines a Croupier::CLI::Application and interacts with the user output console.

Defined Under Namespace

Modules: CLI, Distributions Classes: Distribution, Error, InputParamsError, InvalidOptionError

Constant Summary collapse

STDERR = 
$stderr
STDOUT = 
$stdout

Class Method Summary collapse

Class Method Details

.application ⇒ Object

Current Croupier Application



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# File 'lib/croupier.rb', line 19

def application
  @application ||= ::Croupier::CLI::Application.new
end

.application=(app) ⇒ Object

Set the current Croupier application object.



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# File 'lib/croupier.rb', line 24

def application=(app)
  @application = app
end

.clear_line! ⇒ Object

Clear current console line



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# File 'lib/croupier.rb', line 53

def clear_line!
  self.write "\r"
end

.error_message(msg) ⇒ Object

Writes message to the error output



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# File 'lib/croupier.rb', line 41

def error_message(msg)
  STDERR.puts msg
  STDERR.flush
end

.message(msg) ⇒ Object

Writes message to the standard output



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# File 'lib/croupier.rb', line 35

def message(msg)
  STDOUT.puts msg
  STDOUT.flush
end

.stop(msg = "Error: Croupier finished.") ⇒ Object

Stops the execution of the Croupier application.



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# File 'lib/croupier.rb', line 29

def stop(msg = "Error: Croupier finished.")
  self.error_message msg
  exit(false)
end

.trap_interrupt ⇒ Object

Trap SIGINT signal



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# File 'lib/croupier.rb', line 58

def trap_interrupt
  trap('INT') do
    Croupier.stop("\nCroupier Exiting... Interrupt signal received.")
  end
end

.write(str) ⇒ Object

Writes to the standard output



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# File 'lib/croupier.rb', line 47

def write(str)
  STDOUT.write str
  STDOUT.flush
end