Revert "IRB is improved with Reline and RDoc"

This reverts commit 7f273ac6d0.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67691 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/reline.rb

@@ -1,196 +0,0 @@
-require 'io/console'
-require 'reline/version'
-require 'reline/config'
-require 'reline/key_actor'
-require 'reline/key_stroke'
-require 'reline/line_editor'
-
-module Reline
-  extend self
-  FILENAME_COMPLETION_PROC = nil
-  USERNAME_COMPLETION_PROC = nil
-  HISTORY = Array.new
-
-  if RUBY_PLATFORM =~ /mswin|mingw/
-    require 'Win32API'
-    IS_WINDOWS = true
-  else
-    IS_WINDOWS = false
-  end
-
-  CursorPos = Struct.new(:x, :y)
-
-  class << self
-    attr_accessor :basic_quote_characters
-    attr_accessor :completer_quote_characters
-    attr_accessor :completer_word_break_characters
-    attr_reader :completion_append_character
-    attr_accessor :completion_case_fold
-    attr_accessor :filename_quote_characters
-    attr_writer :input
-    attr_writer :output
-  end
-
-  @@ambiguous_width = nil
-  @@config = nil
-
-  @basic_quote_characters = '"\''
-  @completer_quote_characters
-  @completer_word_break_characters = @basic_word_break_characters.dup
-  @completion_append_character
-  def self.completion_append_character=(val)
-    if val.nil?
-      @completion_append_character = nil
-    elsif val.size == 1
-      @completion_append_character = val
-    elsif val.size > 1
-      @completion_append_character = val[0]
-    else
-      @completion_append_character = val
-    end
-  end
-  @completion_case_fold
-  @filename_quote_characters
-
-  @@basic_word_break_characters = " \t\n`><=;|&{("
-  def self.basic_word_break_characters
-    @@basic_word_break_characters
-  end
-  def self.basic_word_break_characters=(v)
-    @@basic_word_break_characters = v
-  end
-
-  @@completion_proc = nil
-  def self.completion_proc
-    @@completion_proc
-  end
-  def self.completion_proc=(p)
-    @@completion_proc = p
-  end
-
-  @@dig_perfect_match_proc = nil
-  def self.dig_perfect_match_proc
-    @@dig_perfect_match_proc
-  end
-  def self.dig_perfect_match_proc=(p)
-    @@dig_perfect_match_proc = p
-  end
-
-  if IS_WINDOWS
-    require 'reline/windows'
-  else
-    require 'reline/ansi'
-  end
-
-  def retrieve_completion_block(line, byte_pointer)
-    break_regexp = /[#{Regexp.escape(@@basic_word_break_characters)}]/
-    before_pointer = line.byteslice(0, byte_pointer)
-    break_point = before_pointer.rindex(break_regexp)
-    if break_point
-      preposing = before_pointer[0..(break_point)]
-      block = before_pointer[(break_point + 1)..-1]
-    else
-      preposing = ''
-      block = before_pointer
-    end
-    postposing = line.byteslice(byte_pointer, line.bytesize)
-    [preposing, block, postposing]
-  end
-
-  def readmultiline(prompt = '', add_hist = false, &confirm_multiline_termination)
-    if block_given?
-      inner_readline(prompt, add_hist, true, &confirm_multiline_termination)
-    else
-      inner_readline(prompt, add_hist, true)
-    end
-
-    if add_hist and @line_editor.whole_buffer and @line_editor.whole_buffer.chomp.size > 0
-      Reline::HISTORY << @line_editor.whole_buffer
-    end
-
-    @line_editor.whole_buffer
-  end
-
-  def readline(prompt = '', add_hist = false)
-    inner_readline(prompt, add_hist, false)
-
-    if add_hist and @line_editor.line and @line_editor.line.chomp.size > 0
-      Reline::HISTORY << @line_editor.line.chomp
-    end
-
-    @line_editor.line
-  end
-
-  def inner_readline(prompt, add_hist, multiline, &confirm_multiline_termination)
-    if @@config.nil?
-      @@config = Reline::Config.new
-      @@config.read
-    end
-    otio = prep
-
-    may_req_ambiguous_char_width
-    @line_editor = Reline::LineEditor.new(@@config, prompt)
-    if multiline
-      @line_editor.multiline_on
-      if block_given?
-        @line_editor.confirm_multiline_termination_proc = confirm_multiline_termination
-      end
-    end
-    @line_editor.completion_proc = @@completion_proc
-    @line_editor.dig_perfect_match_proc = @@dig_perfect_match_proc
-    @line_editor.retrieve_completion_block = method(:retrieve_completion_block)
-    @line_editor.rerender
-
-    if IS_WINDOWS
-      config = {
-        key_mapping: {
-          [224, 72] => :ed_prev_history,    # ↑
-          [224, 80] => :ed_next_history,    # ↓
-          [224, 77] => :ed_next_char,       # →
-          [224, 75] => :ed_prev_char        # ←
-        }
-      }
-    else
-      config = {
-        key_mapping: {
-          [27, 91, 65] => :ed_prev_history,    # ↑
-          [27, 91, 66] => :ed_next_history,    # ↓
-          [27, 91, 67] => :ed_next_char,       # →
-          [27, 91, 68] => :ed_prev_char        # ←
-        }
-      }
-    end
-
-    key_stroke = Reline::KeyStroke.new(config)
-    begin
-      while c = getc
-        key_stroke.input_to!(c)&.then { |inputs|
-          inputs.each { |c|
-            @line_editor.input_key(c)
-            @line_editor.rerender
-          }
-        }
-        break if @line_editor.finished?
-      end
-      Reline.move_cursor_column(0)
-    rescue StandardError => e
-      deprep(otio)
-      raise e
-    end
-
-    deprep(otio)
-  end
-
-  def may_req_ambiguous_char_width
-    return if @@ambiguous_width
-    Reline.move_cursor_column(0)
-    print "\u{25bd}"
-    @@ambiguous_width = Reline.cursor_pos.x
-    Reline.move_cursor_column(0)
-    Reline.erase_after_cursor
-  end
-
-  def self.ambiguous_width
-    @@ambiguous_width
-  end
-end