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?? attr.rb(3.76 KB)
?? class_module.rb(19.76 KB)
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?? comment.rb(5.29 KB)
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?? cross_reference.rb(5.85 KB)
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?? erb_partial.rb(401 B)
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?? generator.rb(1.79 KB)
?? ghost_method.rb(145 B)
?? i18n
?? i18n.rb(182 B)
?? include.rb(173 B)
?? known_classes.rb(2.62 KB)
?? markdown
?? markdown.rb(373.6 KB)
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?? markup.rb(28.27 KB)
?? meta_method.rb(130 B)
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?? rd.rb(3.57 KB)
?? rdoc.rb(13.39 KB)
?? require.rb(966 B)
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?? ri.rb(346 B)
?? ruby_lex.rb(27.47 KB)
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?? rubygems_hook.rb(5.14 KB)
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?? stats.rb(10.48 KB)
?? store.rb(21.94 KB)
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?? test_case.rb(3.78 KB)
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?? top_level.rb(5.44 KB)

Editing: encoding.rb

# coding: US-ASCII
# frozen_string_literal: false

##
# This class is a wrapper around File IO and Encoding that helps RDoc load
# files and convert them to the correct encoding.

module RDoc::Encoding

##
  # Reads the contents of +filename+ and handles any encoding directives in
  # the file.
  #
  # The content will be converted to the +encoding+.  If the file cannot be
  # converted a warning will be printed and nil will be returned.
  #
  # If +force_transcode+ is true the document will be transcoded and any
  # unknown character in the target encoding will be replaced with '?'

def self.read_file filename, encoding, force_transcode = false
    content = open filename, "rb" do |f| f.read end
    content.gsub!("\r\n", "\n") if RUBY_PLATFORM =~ /mswin|mingw/

utf8 = content.sub!(/\A\xef\xbb\xbf/, '')

RDoc::Encoding.set_encoding content

begin
      encoding ||= Encoding.default_external
      orig_encoding = content.encoding

if not orig_encoding.ascii_compatible? then
        content.encode! encoding
      elsif utf8 then
        content.force_encoding Encoding::UTF_8
        content.encode! encoding
      else
        # assume the content is in our output encoding
        content.force_encoding encoding
      end

unless content.valid_encoding? then
        # revert and try to transcode
        content.force_encoding orig_encoding
        content.encode! encoding
      end

unless content.valid_encoding? then
        warn "unable to convert #{filename} to #{encoding}, skipping"
        content = nil
      end
    rescue Encoding::InvalidByteSequenceError,
           Encoding::UndefinedConversionError => e
      if force_transcode then
        content.force_encoding orig_encoding
        content.encode!(encoding,
                        :invalid => :replace, :undef => :replace,
                        :replace => '?')
        return content
      else
        warn "unable to convert #{e.message} for #{filename}, skipping"
        return nil
      end
    end

content
  rescue ArgumentError => e
    raise unless e.message =~ /unknown encoding name - (.*)/
    warn "unknown encoding name \"#{$1}\" for #{filename}, skipping"
    nil
  rescue Errno::EISDIR, Errno::ENOENT
    nil
  end

def self.remove_frozen_string_literal string
    string =~ /\A(?:#!.*\n)?(.*\n)/
    first_line = $1

if first_line =~ /\A# +frozen[-_]string[-_]literal[=:].+$/i
      string.sub! first_line, ''
    end
  end

##
  # Sets the encoding of +string+ based on the magic comment

def self.set_encoding string
    remove_frozen_string_literal string

string =~ /\A(?:#!.*\n)?(.*\n)/

first_line = $1

name = case first_line
           when /^<\?xml[^?]*encoding=(["'])(.*?)\1/ then $2
           when /\b(?:en)?coding[=:]\s*([^\s;]+)/i   then $1
           else                                           return
           end

string.sub! first_line, ''

remove_frozen_string_literal string

enc = Encoding.find name
    string.force_encoding enc if enc
  end

end

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