Reline::Config

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 31
def initialize
  @additional_key_bindings = { # from inputrc
    emacs: Reline::KeyActor::Base.new,
    vi_insert: Reline::KeyActor::Base.new,
    vi_command: Reline::KeyActor::Base.new
  }
  @oneshot_key_bindings = Reline::KeyActor::Base.new
  @editing_mode_label = :emacs
  @keymap_label = :emacs
  @keymap_prefix = []
  @default_key_bindings = {
    emacs: Reline::KeyActor::Base.new(Reline::KeyActor::EMACS_MAPPING),
    vi_insert: Reline::KeyActor::Base.new(Reline::KeyActor::VI_INSERT_MAPPING),
    vi_command: Reline::KeyActor::Base.new(Reline::KeyActor::VI_COMMAND_MAPPING)
  }
  @vi_cmd_mode_string = '(cmd)'
  @vi_ins_mode_string = '(ins)'
  @emacs_mode_string = '@'
  # https://tiswww.case.edu/php/chet/readline/readline.html#IDX25
  @history_size = -1 # unlimited
  @keyseq_timeout = 500
  @test_mode = false
  @autocompletion = false
  @convert_meta = true if seven_bit_encoding?(Reline::IOGate.encoding)
  @loaded = false
  @enable_bracketed_paste = true
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 156
def add_default_key_binding(keystroke, target)
  add_default_key_binding_by_keymap(@keymap_label, keystroke, target)
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 152
def add_default_key_binding_by_keymap(keymap, keystroke, target)
  @default_key_bindings[keymap].add(keystroke, target)
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 141
def add_oneshot_key_binding(keystroke, target)
  # IRB sets invalid keystroke [Reline::Key]. We should ignore it.
  return unless keystroke.all? { |c| c.is_a?(Integer) }

  @oneshot_key_bindings.add(keystroke, target)
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 323
def bind_key(key, func_name)
  if key =~ /\A"(.*)"\z/
    keyseq = parse_keyseq($1)
  else
    keyseq = nil
  end
  if func_name =~ /"(.*)"/
    func = parse_keyseq($1)
  else
    func = func_name.tr(?-, ?_).to_sym # It must be macro.
  end
  [keyseq, func]
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 240
def bind_variable(name, value, raw_value)
  case name
  when 'history-size'
    begin
      @history_size = Integer(value)
    rescue ArgumentError
      @history_size = 500
    end
  when 'bell-style'
    @bell_style =
      case value
      when 'none', 'off'
        :none
      when 'audible', 'on'
        :audible
      when 'visible'
        :visible
      else
        :audible
      end
  when 'comment-begin'
    @comment_begin = value.dup
  when 'completion-query-items'
    @completion_query_items = value.to_i
  when 'isearch-terminators'
    @isearch_terminators = retrieve_string(raw_value)
  when 'editing-mode'
    case value
    when 'emacs'
      @editing_mode_label = :emacs
      @keymap_label = :emacs
      @keymap_prefix = []
    when 'vi'
      @editing_mode_label = :vi_insert
      @keymap_label = :vi_insert
      @keymap_prefix = []
    end
  when 'keymap'
    case value
    when 'emacs', 'emacs-standard'
      @keymap_label = :emacs
      @keymap_prefix = []
    when 'emacs-ctlx'
      @keymap_label = :emacs
      @keymap_prefix = [?\C-x.ord]
    when 'emacs-meta'
      @keymap_label = :emacs
      @keymap_prefix = [?\e.ord]
    when 'vi', 'vi-move', 'vi-command'
      @keymap_label = :vi_command
      @keymap_prefix = []
    when 'vi-insert'
      @keymap_label = :vi_insert
      @keymap_prefix = []
    end
  when 'keyseq-timeout'
    @keyseq_timeout = value.to_i
  when 'show-mode-in-prompt'
    case value
    when 'off'
      @show_mode_in_prompt = false
    when 'on'
      @show_mode_in_prompt = true
    else
      @show_mode_in_prompt = false
    end
  when 'vi-cmd-mode-string'
    @vi_cmd_mode_string = retrieve_string(raw_value)
  when 'vi-ins-mode-string'
    @vi_ins_mode_string = retrieve_string(raw_value)
  when 'emacs-mode-string'
    @emacs_mode_string = retrieve_string(raw_value)
  when *VARIABLE_NAMES then
    variable_name = :"@#{name.tr(?-, ?_)}"
    instance_variable_set(variable_name, value.nil? || value == '1' || value == 'on')
  end
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 112
        def default_inputrc_path
  @default_inputrc_path ||= inputrc_path
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 66
def editing_mode
  @default_key_bindings[@editing_mode_label]
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 70
def editing_mode=(val)
  @editing_mode_label = val
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 74
def editing_mode_is?(*val)
  val.any?(@editing_mode_label)
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 205
def handle_directive(directive, file, no, if_stack)
  directive, args = directive.split(' ')
  case directive
  when 'if'
    condition = false
    case args
    when /^mode=(vi|emacs)$/i
      mode = $1.downcase
      # NOTE: mode=vi means vi-insert mode
      mode = 'vi_insert' if mode == 'vi'
      if @editing_mode_label == mode.to_sym
        condition = true
      end
    when 'term'
    when 'version'
    else # application name
      condition = true if args == 'Ruby'
      condition = true if args == 'Reline'
    end
    if_stack << [no, !condition]
  when 'else'
    if if_stack.empty?
      raise InvalidInputrc, "#{file}:#{no}: unmatched else"
    end
    if_stack.last[1] = !if_stack.last[1]
  when 'endif'
    if if_stack.empty?
      raise InvalidInputrc, "#{file}:#{no}: unmatched endif"
    end
    if_stack.pop
  when 'include'
    read(File.expand_path(args))
  end
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 86
def inputrc_path
  case ENV['INPUTRC']
  when nil, ''
  else
    return File.expand_path(ENV['INPUTRC'])
  end

  # In the XDG Specification, if ~/.config/readline/inputrc exists, then
  # ~/.inputrc should not be read, but for compatibility with GNU Readline,
  # if ~/.inputrc exists, then it is given priority.
  home_rc_path = File.expand_path('~/.inputrc')
  return home_rc_path if File.exist?(home_rc_path)

  case path = ENV['XDG_CONFIG_HOME']
  when nil, ''
  else
    path = File.join(path, 'readline/inputrc')
    return path if File.exist?(path) and path == File.expand_path(path)
  end

  path = File.expand_path('~/.config/readline/inputrc')
  return path if File.exist?(path)

  return home_rc_path
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 136
def key_bindings
  # The key bindings for each editing mode will be overwritten by the user-defined ones.
  Reline::KeyActor::Composite.new([@oneshot_key_bindings, @additional_key_bindings[@editing_mode_label], @default_key_bindings[@editing_mode_label]])
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 337
def key_notation_to_code(notation)
  case notation
  when /\\(?:C|Control)-([A-Za-z_])/
    (1 + $1.downcase.ord - ?a.ord)
  when /\\(?:M|Meta)-([0-9A-Za-z_])/
    modified_key = $1
    case $1
    when /[0-9]/
      ?\M-0.bytes.first + (modified_key.ord - ?0.ord)
    when /[A-Z]/
      ?\M-A.bytes.first + (modified_key.ord - ?A.ord)
    when /[a-z]/
      ?\M-a.bytes.first + (modified_key.ord - ?a.ord)
    end
  when /\\(?:C|Control)-(?:M|Meta)-[A-Za-z_]/, /\\(?:M|Meta)-(?:C|Control)-[A-Za-z_]/
  # 129 M-^A
  when /\\(\d{1,3})/ then $1.to_i(8) # octal
  when /\\x(\h{1,2})/ then $1.to_i(16) # hexadecimal
  when "\\e" then ?\e.ord
  when "\\\\" then ?\\.ord
  when "\\\"" then ?".ord
  when "\\'" then ?'.ord
  when "\\a" then ?\a.ord
  when "\\b" then ?\b.ord
  when "\\d" then ?\d.ord
  when "\\f" then ?\f.ord
  when "\\n" then ?\n.ord
  when "\\r" then ?\r.ord
  when "\\t" then ?\t.ord
  when "\\v" then ?\v.ord
  else notation.ord
  end
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 78
def keymap
  @default_key_bindings[@keymap_label]
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 82
def loaded?
  @loaded
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 371
def parse_keyseq(str)
  ret = []
  str.scan(KEYSEQ_PATTERN) do
    ret << key_notation_to_code($&)
  end
  ret
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 116
def read(file = nil)
  @loaded = true
  file ||= default_inputrc_path
  begin
    if file.respond_to?(:readlines)
      lines = file.readlines
    else
      lines = File.readlines(file)
    end
  rescue Errno::ENOENT
    return nil
  end

  read_lines(lines, file)
  self
rescue InvalidInputrc => e
  warn e.message
  nil
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 160
def read_lines(lines, file = nil)
  if not lines.empty? and lines.first.encoding != Reline.encoding_system_needs
    begin
      lines = lines.map do |l|
        l.encode(Reline.encoding_system_needs)
      rescue Encoding::UndefinedConversionError
        mes = "The inputrc encoded in #{lines.first.encoding.name} can't be converted to the locale #{Reline.encoding_system_needs.name}."
        raise Reline::ConfigEncodingConversionError.new(mes)
      end
    end
  end
  if_stack = []

  lines.each_with_index do |line, no|
    next if line.match(/\A\s*#/)

    no += 1

    line = line.chomp.lstrip
    if line.start_with?('$')
      handle_directive(line[1..-1], file, no, if_stack)
      next
    end

    next if if_stack.any? { |_no, skip| skip }

    case line
    when /^set +([^ ]+) +(.+)/i
      # value ignores everything after a space, raw_value does not.
      var, value, raw_value = $1.downcase, $2.partition(' ').first, $2
      bind_variable(var, value, raw_value)
      next
    when /\s*("#{KEYSEQ_PATTERN}+")\s*:\s*(.*)\s*$/o
      key, func_name = $1, $2
      func_name = func_name.split.first
      keystroke, func = bind_key(key, func_name)
      next unless keystroke
      @additional_key_bindings[@keymap_label].add(@keymap_prefix + keystroke, func)
    end
  end
  unless if_stack.empty?
    raise InvalidInputrc, "#{file}:#{if_stack.last[0]}: unclosed if"
  end
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 59
def reset
  if editing_mode_is?(:vi_command)
    @editing_mode_label = :vi_insert
  end
  @oneshot_key_bindings.clear
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 148
def reset_oneshot_key_bindings
  @oneshot_key_bindings.clear
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 318
def retrieve_string(str)
  str = $1 if str =~ /\A"(.*)"\z/
  parse_keyseq(str).map { |c| c.chr(Reline.encoding_system_needs) }.join
end

          
        

          
            
# File tmp/rubies/ruby-master/lib/reline/config.rb, line 379
        def seven_bit_encoding?(encoding)
  encoding == Encoding::US_ASCII
end