class Reline::Core

def add_dialog_proc(name_sym, p, context = nil)
  raise ArgumentError unless name_sym.instance_of?(Symbol)
  if p.nil?
    @dialog_proc_list.delete(name_sym)
  else
    raise ArgumentError unless p.respond_to?(:call)
    @dialog_proc_list[name_sym] = DialogProc.new(p, context)
  end
end

def ambiguous_width
  may_req_ambiguous_char_width unless defined? @ambiguous_width
  @ambiguous_width
end

def auto_indent_proc=(p)
  raise ArgumentError unless p.respond_to?(:call) or p.nil?
  @auto_indent_proc = p
end

def basic_quote_characters=(v)
  @basic_quote_characters = v.encode(encoding)
end

def basic_word_break_characters=(v)
  @basic_word_break_characters = v.encode(encoding)
end

def completer_quote_characters=(v)
  @completer_quote_characters = v.encode(encoding)
end

def completer_word_break_characters=(v)
  @completer_word_break_characters = v.encode(encoding)
end

def completion_append_character=(val)
  if val.nil?
    @completion_append_character = nil
  elsif val.size == 1
    @completion_append_character = val.encode(encoding)
  elsif val.size > 1
    @completion_append_character = val[0].encode(encoding)
  else
    @completion_append_character = nil
  end
end

def completion_case_fold
  @config.completion_ignore_case
end

def completion_case_fold=(v)
  @config.completion_ignore_case = v
end

def completion_proc=(p)
  raise ArgumentError unless p.respond_to?(:call) or p.nil?
  @completion_proc = p
end

def completion_quote_character
  @completion_quote_character
end

def dialog_proc(name_sym)
  @dialog_proc_list[name_sym]
end

def dig_perfect_match_proc=(p)
  raise ArgumentError unless p.respond_to?(:call) or p.nil?
  @dig_perfect_match_proc = p
end

def emacs_editing_mode
  config.editing_mode = :emacs
  nil
end

def emacs_editing_mode?
  config.editing_mode_is?(:emacs)
end

def encoding
  io_gate.encoding
end

def filename_quote_characters=(v)
  @filename_quote_characters = v.encode(encoding)
end

def get_screen_size
  io_gate.get_screen_size
end

def initialize
  self.output = STDOUT
  @mutex = Mutex.new
  @dialog_proc_list = {}
  yield self
  @completion_quote_character = nil
end

def inner_readline(prompt, add_history, multiline, rprompt: nil, &confirm_multiline_termination)
['RELINE_STDERR_TTY']
o_gate.win?
tderr = File.open(ENV['RELINE_STDERR_TTY'], 'a')

tderr.reopen(ENV['RELINE_STDERR_TTY'], 'w')
err.sync = true
err.puts "Reline is used by #{Process.pid}"
 config.test_mode or config.loaded?
ig.read
ate.set_default_key_bindings(config)
 io_gate.prep
q_ambiguous_char_width
roke.encoding = encoding
ditor.reset(prompt)
tiline
_editor.multiline_on
lock_given?
ne_editor.confirm_multiline_termination_proc = confirm_multiline_termination
_editor.multiline_off
ditor.completion_proc = completion_proc
ditor.completion_append_character = completion_append_character
ditor.output_modifier_proc = output_modifier_proc
ditor.prompt_proc = prompt_proc
ditor.auto_indent_proc = auto_indent_proc
ditor.dig_perfect_match_proc = dig_perfect_match_proc
ditor.rprompt = rprompt&.encode(encoding)
put_hook&.call
 Reline::IOGate.dumb?
log_proc_list.each_pair do |name_sym, d|
ne_editor.add_dialog_proc(name_sym, d.dialog_proc, d.context)
ditor.update_dialogs
ditor.rerender
_editor.set_signal_handlers
 do
ad_io(config.keyseq_timeout) { |inputs|
inputs.each do |key|
  case key.method_symbol
  when :bracketed_paste_start
    # io_gate is Reline::ANSI because the key :bracketed_paste_start is only assigned in Reline::ANSI
    key = Reline::Key.new(io_gate.read_bracketed_paste, :insert_multiline_text)
  when :quoted_insert, :ed_quoted_insert
    char = io_gate.read_single_char(config.keyseq_timeout.fdiv(1000))
    key = Reline::Key.new(char || '', :insert_raw_char)
  end
  line_editor.set_pasting_state(io_gate.in_pasting?)
  line_editor.update(key)
end
 line_editor.finished?
line_editor.render_finished
break
se
line_editor.rerender
d
ate.move_cursor_column(0)
 Errno::EIO
ybe the I/O has been closed.

_editor.finalize
ate.deprep(otio)

def input=(val)
  raise TypeError unless val.respond_to?(:getc) or val.nil?
  if val.respond_to?(:getc) && io_gate.respond_to?(:input=)
    io_gate.input = val
  end
end

def io_gate
  Reline::IOGate
end

def may_req_ambiguous_char_width
uous_width = 1 if io_gate.dumb? || !STDIN.tty? || !STDOUT.tty?
 if defined? @ambiguous_width
e.move_cursor_column(0)
ut.write "\u{25bd}"
 Encoding::UndefinedConversionError
NG=C
iguous_width = 1
iguous_width = io_gate.cursor_pos.x == 2 ? 2 : 1
e.move_cursor_column(0)
e.erase_after_cursor

def output=(val)
  raise TypeError unless val.respond_to?(:write) or val.nil?
  @output = val
  io_gate.output = val
end

def output_modifier_proc=(p)
  raise ArgumentError unless p.respond_to?(:call) or p.nil?
  @output_modifier_proc = p
end

def pre_input_hook=(p)
  @pre_input_hook = p
end

def prompt_proc=(p)
  raise ArgumentError unless p.respond_to?(:call) or p.nil?
  @prompt_proc = p
end

def read_io(keyseq_timeout, &block)
 = []
 = KeyStroke::MATCHING
o
out = status == KeyStroke::MATCHING_MATCHED ? keyseq_timeout.fdiv(1000) : Float::INFINITY
io_gate.getc(timeout)
.nil? || c == -1
 status == KeyStroke::MATCHING_MATCHED
status = KeyStroke::MATCHED
sif buffer.empty?
# io_gate is closed and reached EOF
block.call([Key.new(nil, nil, false)])
return
se
status = KeyStroke::UNMATCHED
d

ffer << c
atus = key_stroke.match_status(buffer)
tatus == KeyStroke::MATCHED || status == KeyStroke::UNMATCHED
panded, rest_bytes = key_stroke.expand(buffer)
st_bytes.reverse_each { |c| io_gate.ungetc(c) }
ock.call(expanded)
turn

def readline(_prompt = '', _add_history = false, prompt: _prompt, add_history: _add_history, rprompt: nil)
  @mutex.synchronize do
    io_gate.with_raw_input do
      inner_readline(prompt, add_history, false, rprompt: rprompt)
    end
    line = line_editor.line.dup
    line.taint if RUBY_VERSION < '2.7'
    if add_history and line and line.chomp("\n").size > 0
      Reline::HISTORY << line.chomp("\n")
    end
    line_editor.reset_line if line_editor.line.nil?
    line
  end
end

def readmultiline(_prompt = '', _add_history = false, prompt: _prompt, add_history: _add_history, rprompt: nil, &confirm_multiline_termination)
  @mutex.synchronize do
    unless confirm_multiline_termination
      raise ArgumentError.new('#readmultiline needs block to confirm multiline termination')
    end
    io_gate.with_raw_input do
      inner_readline(prompt, add_history, true, rprompt: rprompt, &confirm_multiline_termination)
    end
    whole_buffer = line_editor.whole_buffer.dup
    whole_buffer.taint if RUBY_VERSION < '2.7'
    if add_history and whole_buffer and whole_buffer.chomp("\n").size > 0
      Reline::HISTORY << whole_buffer
    end
    if line_editor.eof?
      line_editor.reset_line
      # Return nil if the input is aborted by C-d.
      nil
    else
      whole_buffer
    end
  end
end

def special_prefixes=(v)
  @special_prefixes = v.encode(encoding)
end

def vi_editing_mode
  config.editing_mode = :vi_insert
  nil
end

def vi_editing_mode?
  config.editing_mode_is?(:vi_insert, :vi_command)
end