class Reline::Core

# File lib/reline.rb, line 76
def initialize
  self.output = STDOUT
  @dialog_proc_list = {}
  yield self
  @completion_quote_character = nil
  @bracketed_paste_finished = false
end

# File lib/reline.rb, line 300
        def inner_readline(prompt, add_hist, multiline, &confirm_multiline_termination)
  if ENV['RELINE_STDERR_TTY']
    if io_gate.win?
      $stderr = File.open(ENV['RELINE_STDERR_TTY'], 'a')
    else
      $stderr.reopen(ENV['RELINE_STDERR_TTY'], 'w')
    end
    $stderr.sync = true
    $stderr.puts "Reline is used by #{Process.pid}"
  end
  otio = io_gate.prep

  may_req_ambiguous_char_width
  line_editor.reset(prompt, encoding: encoding)
  if multiline
    line_editor.multiline_on
    if block_given?
      line_editor.confirm_multiline_termination_proc = confirm_multiline_termination
    end
  else
    line_editor.multiline_off
  end
  line_editor.output = output
  line_editor.completion_proc = completion_proc
  line_editor.completion_append_character = completion_append_character
  line_editor.output_modifier_proc = output_modifier_proc
  line_editor.prompt_proc = prompt_proc
  line_editor.auto_indent_proc = auto_indent_proc
  line_editor.dig_perfect_match_proc = dig_perfect_match_proc
  line_editor.pre_input_hook = pre_input_hook
  @dialog_proc_list.each_pair do |name_sym, d|
    line_editor.add_dialog_proc(name_sym, d.dialog_proc, d.context)
  end

  unless config.test_mode
    config.read
    config.reset_default_key_bindings
    io_gate.set_default_key_bindings(config)
  end

  line_editor.rerender

  begin
    line_editor.set_signal_handlers
    prev_pasting_state = false
    loop do
      prev_pasting_state = io_gate.in_pasting?
      read_io(config.keyseq_timeout) { |inputs|
        line_editor.set_pasting_state(io_gate.in_pasting?)
        inputs.each { |c|
          line_editor.input_key(c)
          line_editor.rerender
        }
        if @bracketed_paste_finished
          line_editor.rerender_all
          @bracketed_paste_finished = false
        end
      }
      if prev_pasting_state == true and not io_gate.in_pasting? and not line_editor.finished?
        line_editor.set_pasting_state(false)
        prev_pasting_state = false
        line_editor.rerender_all
      end
      break if line_editor.finished?
    end
    io_gate.move_cursor_column(0)
  rescue Errno::EIO
    # Maybe the I/O has been closed.
  rescue StandardError => e
    line_editor.finalize
    io_gate.deprep(otio)
    raise e
  rescue Exception
    # Including Interrupt
    line_editor.finalize
    io_gate.deprep(otio)
    raise
  end

  line_editor.finalize
  io_gate.deprep(otio)
end

# File lib/reline.rb, line 478
        def may_req_ambiguous_char_width
  @ambiguous_width = 2 if io_gate == Reline::GeneralIO or !STDOUT.tty?
  return if defined? @ambiguous_width
  io_gate.move_cursor_column(0)
  begin
    output.write "\u{25bd}"
  rescue Encoding::UndefinedConversionError
    # LANG=C
    @ambiguous_width = 1
  else
    @ambiguous_width = io_gate.cursor_pos.x
  end
  io_gate.move_cursor_column(0)
  io_gate.erase_after_cursor
end

# File lib/reline.rb, line 431
        def read_2nd_character_of_key_sequence(keyseq_timeout, buffer, c, block)
  succ_c = io_gate.getc(keyseq_timeout.fdiv(1000))
  if succ_c
    case key_stroke.match_status(buffer.dup.push(succ_c))
    when :unmatched
      if c == "\e".ord
        block.([Reline::Key.new(succ_c, succ_c | 0b10000000, true)])
      else
        block.([Reline::Key.new(c, c, false), Reline::Key.new(succ_c, succ_c, false)])
      end
      return :break
    when :matching
      io_gate.ungetc(succ_c)
      return :next
    when :matched
      buffer << succ_c
      expanded = key_stroke.expand(buffer).map{ |expanded_c|
        Reline::Key.new(expanded_c, expanded_c, false)
      }
      block.(expanded)
      return :break
    end
  else
    block.([Reline::Key.new(c, c, false)])
    return :break
  end
end

# File lib/reline.rb, line 459
        def read_escaped_key(keyseq_timeout, c, block)
  escaped_c = io_gate.getc(keyseq_timeout.fdiv(1000))

  if escaped_c.nil?
    block.([Reline::Key.new(c, c, false)])
  elsif escaped_c >= 128 # maybe, first byte of multi byte
    block.([Reline::Key.new(c, c, false), Reline::Key.new(escaped_c, escaped_c, false)])
  elsif escaped_c == "\e".ord # escape twice
    block.([Reline::Key.new(c, c, false), Reline::Key.new(c, c, false)])
  else
    block.([Reline::Key.new(escaped_c, escaped_c | 0b10000000, true)])
  end
end

# File lib/reline.rb, line 392
        def read_io(keyseq_timeout, &block)
  buffer = []
  loop do
    c = io_gate.getc(Float::INFINITY)
    if c == -1
      result = :unmatched
      @bracketed_paste_finished = true
    else
      buffer << c
      result = key_stroke.match_status(buffer)
    end
    case result
    when :matched
      expanded = key_stroke.expand(buffer).map{ |expanded_c|
        Reline::Key.new(expanded_c, expanded_c, false)
      }
      block.(expanded)
      break
    when :matching
      if buffer.size == 1
        case read_2nd_character_of_key_sequence(keyseq_timeout, buffer, c, block)
        when :break then break
        when :next  then next
        end
      end
    when :unmatched
      if buffer.size == 1 and c == "\e".ord
        read_escaped_key(keyseq_timeout, c, block)
      else
        expanded = buffer.map{ |expanded_c|
          Reline::Key.new(expanded_c, expanded_c, false)
        }
        block.(expanded)
      end
      break
    end
  end
end