Class: Gloo::App::Prompt

Inherits:
Object
  • Object
show all
Defined in:
lib/gloo/app/prompt.rb

Instance Method Summary collapse

Constructor Details

#initialize(platform) ⇒ Prompt

Set up Prompt.

Set up Prompt with the given platform.



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# File 'lib/gloo/app/prompt.rb', line 20

def initialize platform
  @platform = platform
end

Instance Method Details

#ask(prompt = nil, default_value = nil) ⇒ Object

Show the prompt and get input. Use the default prompt if none is provided.



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# File 'lib/gloo/app/prompt.rb', line 28

def ask( prompt = nil, default_value = nil )
  prompt ||= default_prompt

  if default_value
    Reline.pre_input_hook = proc { Reline.insert_text( default_value ) }
  end
  response = Reline.readline("#{prompt} ", true)
  Reline.pre_input_hook = nil

  # I don't like this one because it appends a ':' to the prompt.
  # response = Ask.input prompt

  # This was just the brute force way to do it.
  # puts prompt
  # return $stdin.gets.chomp

  return response
end

#multiline(prompt) ⇒ Object

Prompt for multiline input.



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# File 'lib/gloo/app/prompt.rb', line 50

def multiline( prompt )
  puts 'To end input, type a period on a line by itself.'
  text = Reline.readmultiline( "#{prompt} ", true ) do |input|
    input.split.last == '.'
  end
    
  return text.lines[0..-2]
end

#select(prompt, options) ⇒ Object

Show a selection list to choose from.



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# File 'lib/gloo/app/prompt.rb', line 71

def select( prompt, options )
  i = Ask.list prompt, options
  return options[ i ]
end

#yes?(prompt) ⇒ Boolean

Confirmation prompt. Answer is yes or no.

Returns:

  • (Boolean) 


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# File 'lib/gloo/app/prompt.rb', line 63

def yes?( prompt )
  value = Ask.confirm "#{prompt} "
  return value
end