Class: PI::Cli::InteractHelper::InputState

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}, answer = "", position = 0) ⇒ InputState

Returns a new instance of InputState.



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# File 'lib/cli/interact_helper.rb', line 30

def initialize(options = {}, answer = "", position = 0)
  @options = options
  @answer = answer
  @position = position
  @done = false
end

Instance Attribute Details

#answer ⇒ Object

Returns the value of attribute answer.



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# File 'lib/cli/interact_helper.rb', line 28

def answer
  @answer
end

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/cli/interact_helper.rb', line 28

def options
  @options
end

#position ⇒ Object

Returns the value of attribute position.



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# File 'lib/cli/interact_helper.rb', line 28

def position
  @position
end

Instance Method Details

#back(x) ⇒ Object 



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# File 'lib/cli/interact_helper.rb', line 60

def back(x)
  return if x == 0

  print("\b" * (x * char_size))

  @position -= x
end

#censor(what) ⇒ Object 



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# File 'lib/cli/interact_helper.rb', line 47

def censor(what)
  if with = @options[:echo]
    with * what.size
  else
    what
  end
end

#clear(x) ⇒ Object 



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# File 'lib/cli/interact_helper.rb', line 68

def clear(x)
  return if x == 0

  print(" " * (x * char_size))

  @position += x

  back(x)
end

#display(what) ⇒ Object 



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# File 'lib/cli/interact_helper.rb', line 55

def display(what)
  print(censor(what))
  @position += what.size
end

#done! ⇒ Object

Call to signal to the input reader that it can stop.



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# File 'lib/cli/interact_helper.rb', line 38

def done!
  @done = true
end

#done? ⇒ Boolean

Is the input finished/complete?

Returns:

  • (Boolean) 


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# File 'lib/cli/interact_helper.rb', line 43

def done?
  @done
end

#goto(pos) ⇒ Object 



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# File 'lib/cli/interact_helper.rb', line 78

def goto(pos)
  return if pos == position

  if pos > position
    display(answer[position .. pos])
  else
    print("\b" * (position - pos) * char_size)
  end

  @position = pos
end