Class: CLI::UI::StdoutRouter::Writer

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/cli/ui/stdout_router.rb

Instance Method Summary collapse

Methods included from T::Sig

sig

Constructor Details

#initialize(stream, name) ⇒ Writer

Returns a new instance of Writer.



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# File 'lib/cli/ui/stdout_router.rb', line 14

def initialize(stream, name)
  @stream = stream
  @name = name
end

Instance Method Details

#write(*args) ⇒ Object 



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# File 'lib/cli/ui/stdout_router.rb', line 20

def write(*args)
  args = args.map do |str|
    if auto_frame_inset?
      str = str.dup # unfreeze
      str = str.to_s.force_encoding(Encoding::UTF_8)
      apply_line_prefix(str, CLI::UI::Frame.prefix)
    else
      @pending_newline = false
      str
    end
  end

  # hook return of false suppresses output.
  if (hook = Thread.current[:cliui_output_hook])
    return 0 if hook.call(args.map(&:to_s).join, @name) == false
  end

  ret = T.unsafe(@stream).write_without_cli_ui(*prepend_id(@stream, args))
  if (dup = StdoutRouter.duplicate_output_to)
    begin
      T.unsafe(dup).write(*prepend_id(dup, args))
    rescue IOError
      # Ignore
    end
  end
  ret
end