Class: Sym::App::Input::Handler

Inherits:
Object
  • Object
show all
Defined in:
lib/sym/app/input/handler.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(stdin = $stdin, stdout = $stdout, stderr = $stderr, kernel = nil) ⇒ Handler

Returns a new instance of Handler.



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# File 'lib/sym/app/input/handler.rb', line 9

def initialize(stdin = $stdin, stdout = $stdout, stderr = $stderr, kernel = nil)
  self.stdin  = stdin
  self.stdout = stdout
  self.stderr = stderr
  self.kernel = kernel
end

Instance Attribute Details

#kernel ⇒ Object

Returns the value of attribute kernel.



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# File 'lib/sym/app/input/handler.rb', line 7

def kernel
  @kernel
end

#stderr ⇒ Object

Returns the value of attribute stderr.



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# File 'lib/sym/app/input/handler.rb', line 7

def stderr
  @stderr
end

#stdin ⇒ Object

Returns the value of attribute stdin.



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# File 'lib/sym/app/input/handler.rb', line 7

def stdin
  @stdin
end

#stdout ⇒ Object

Returns the value of attribute stdout.



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# File 'lib/sym/app/input/handler.rb', line 7

def stdout
  @stdout
end

Instance Method Details

#ask ⇒ Object 



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# File 'lib/sym/app/input/handler.rb', line 16

def ask
  retries ||= 0
  prompt('Password: ', :green)
rescue ::OpenSSL::Cipher::CipherError
  stderr.puts 'Invalid password. Please try again.'
  retry if (retries += 1) < 3
  nil
end

#highline(message, color) ⇒ Object 



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# File 'lib/sym/app/input/handler.rb', line 36

def highline(message, color)
  HighLine.new(stdin, stderr).ask(message.bold) { |q| q.echo = '•'.send(color) }
end

#new_password ⇒ Object

Raises:



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# File 'lib/sym/app/input/handler.rb', line 40

def new_password
  password = prompt('New Password     :  ', :blue)

  raise Sym::Errors::PasswordTooShort.new(
    'Minimum length is 7 characters.') if password.length < 7

  password_confirm = prompt('Confirm Password :  ', :blue)

  raise Sym::Errors::PasswordsDontMatch.new(
    'The passwords you entered do not match.') if password != password_confirm

  password
end

#prompt(message, color) ⇒ Object 



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# File 'lib/sym/app/input/handler.rb', line 29

def prompt(message, color)
  unless $stdin.isatty && $stdin.tty?
    raise Sym::Errors::CantReadPasswordNoTTY.new('key requires a password, however STDIN is not a TTY')
  end
  highline(message, color)
end

#puts(*args) ⇒ Object 



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# File 'lib/sym/app/input/handler.rb', line 25

def puts(*args)
  stderr.puts args
end