Class: Cotta::CommandInterface

Inherits:
Object
  • Object
show all
Defined in:
lib/cotta/impl/command_interface.rb

Overview

A command line interface tha can be stubbed out by InMemorySystem

Instance Method Summary collapse

Constructor Details

#initialize(io = SystemIo.new) ⇒ CommandInterface

Returns a new instance of CommandInterface.



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# File 'lib/cotta/impl/command_interface.rb', line 5

def initialize(io = SystemIo.new)
  @io = io
end

Instance Method Details

#gets ⇒ Object 



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# File 'lib/cotta/impl/command_interface.rb', line 31

def gets
  @io.gets
end

#prompt(question) ⇒ Object 



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# File 'lib/cotta/impl/command_interface.rb', line 13

def prompt(question)
  puts(question)
  gets
end

#prompt_for_choice(question, candidates) ⇒ Object 



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# File 'lib/cotta/impl/command_interface.rb', line 18

def prompt_for_choice(question, candidates)
  puts(question)
  0.upto(candidates.size - 1) do |index|
    puts "[#{index + 1}] #{candidates[index]}"
  end
  answer = gets.to_i
  seletion = nil
  if answer > 0 && answer <= candidates.size
    selection = candidates[answer - 1]
  end
  return selection
end

#puts(content) ⇒ Object 



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# File 'lib/cotta/impl/command_interface.rb', line 9

def puts(content)
  @io.puts(content)
end