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?? ..
?? builder.rb(2.21 KB)
?? command.rb(12.46 KB)
?? command_manager.rb(4.67 KB)
?? commands
?? config_file.rb(9.69 KB)
?? custom_require.rb(1.83 KB)
?? defaults.rb(2.65 KB)
?? dependency.rb(6.43 KB)
?? dependency_installer.rb(9.94 KB)
?? dependency_list.rb(5.58 KB)
?? deprecate.rb(1.81 KB)
?? doc_manager.rb(5.55 KB)
?? errors.rb(793 B)
?? exceptions.rb(2.34 KB)
?? ext
?? ext.rb(379 B)
?? format.rb(1.96 KB)
?? gem_openssl.rb(2.24 KB)
?? gem_path_searcher.rb(4.57 KB)
?? gem_runner.rb(2.38 KB)
?? gemcutter_utilities.rb(1.86 KB)
?? indexer.rb(16.93 KB)
?? install_update_options.rb(3.87 KB)
?? installer.rb(17.02 KB)
?? installer_test_case.rb(3.1 KB)
?? local_remote_options.rb(3.36 KB)
?? mock_gem_ui.rb(1.05 KB)
?? old_format.rb(3.69 KB)
?? package
?? package.rb(2.15 KB)
?? package_task.rb(3.79 KB)
?? path_support.rb(1.5 KB)
?? platform.rb(5.55 KB)
?? psych_additions.rb(249 B)
?? psych_tree.rb(687 B)
?? remote_fetcher.rb(13.78 KB)
?? require_paths_builder.rb(577 B)
?? requirement.rb(5.01 KB)
?? security.rb(28.83 KB)
?? server.rb(21.93 KB)
?? source_index.rb(11 KB)
?? spec_fetcher.rb(7.17 KB)
?? specification.rb(54.83 KB)
?? ssl_certs
?? syck_hack.rb(2.02 KB)
?? test_case.rb(23.22 KB)
?? test_utilities.rb(3.47 KB)
?? text.rb(1.23 KB)
?? uninstaller.rb(6.77 KB)
?? user_interaction.rb(11.22 KB)
?? validator.rb(4.65 KB)
?? version.rb(10.19 KB)
?? version_option.rb(1.59 KB)

Editing: text.rb

require 'rubygems'

##
# A collection of text-wrangling methods

module Gem::Text

##
  # Wraps +text+ to +wrap+ characters and optionally indents by +indent+
  # characters

def format_text(text, wrap, indent=0)
    result = []
    work = text.dup

while work.length > wrap do
      if work =~ /^(.{0,#{wrap}})[ \n]/ then
        result << $1.rstrip
        work.slice!(0, $&.length)
      else
        result << work.slice!(0, wrap)
      end
    end

result << work if work.length.nonzero?
    result.join("\n").gsub(/^/, " " * indent)
  end

# This code is based directly on the Text gem implementation
  # Returns a value representing the "cost" of transforming str1 into str2
  def levenshtein_distance str1, str2
    s = str1
    t = str2
    n = s.length
    m = t.length
    max = n/2

return m if (0 == n)
    return n if (0 == m)
    return n if (n - m).abs > max

d = (0..m).to_a
    x = nil

n.times do |i|
      e = i+1

m.times do |j|
        cost = (s[i] == t[j]) ? 0 : 1
        x = [
             d[j+1] + 1, # insertion
             e + 1,      # deletion
             d[j] + cost # substitution
            ].min
        d[j] = e
        e = x
      end

d[m] = x
    end

return x
  end
end

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