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PATH: opt / alt / ruby23 / lib64 / ruby / 2.3.0 / rubygems

# frozen_string_literal: true
require 'rubygems'

##
# A collection of text-wrangling methods

module Gem::Text

##
  # Remove any non-printable characters and make the text suitable for
  # printing.
  def clean_text(text)
    text.gsub(/[\000-\b\v-\f\016-\037\177]/, ".".freeze)
  end

def truncate_text(text, description, max_length = 100_000)
    raise ArgumentError, "max_length must be positive" unless max_length > 0
    return text if text.size <= max_length
    "Truncating #{description} to #{max_length.to_s.reverse.gsub(/...(?=.)/,'\&,').reverse} characters:\n" + text[0, max_length]
  end

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

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

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

def min3 a, b, c # :nodoc:
    if a < b && a < c then
      a
    elsif b < c then
      b
    else
      c
    end
  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

return m if (0 == n)
    return n if (0 == m)

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

str1.each_char.each_with_index do |char1,i|
      e = i+1

str2.each_char.each_with_index do |char2,j|
        cost = (char1 == char2) ? 0 : 1
        x = min3(
             d[j+1] + 1, # insertion
             e + 1,      # deletion
             d[j] + cost # substitution
            )
        d[j] = e
        e = x
      end

d[m] = x
    end

return x
  end
end

[+] resolver
[-] dependency_installer.rb [edit]
[-] exceptions.rb [edit]
[-] command.rb [edit]
[-] source.rb [edit]
[-] specification.rb [edit]
[-] path_support.rb [edit]
[+] commands
[-] rdoc.rb [edit]
[-] syck_hack.rb [edit]
[+] util
[-] uri_formatter.rb [edit]
[+] ext
[+] source
[-] compatibility.rb [edit]
[-] version.rb [edit]
[-] request.rb [edit]
[-] request_set.rb [edit]
[-] remote_fetcher.rb [edit]
[-] server.rb [edit]
[-] version_option.rb [edit]
[-] dependency_list.rb [edit]
[+] request
[-] basic_specification.rb [edit]
[-] source_local.rb [edit]
[-] config_file.rb [edit]
[-] platform.rb [edit]
[-] install_message.rb [edit]
[-] gem_runner.rb [edit]
[-] gemcutter_utilities.rb [edit]
[-] installer.rb [edit]
[-] available_set.rb [edit]
[-] safe_yaml.rb [edit]
[-] spec_fetcher.rb [edit]
[-] validator.rb [edit]
[-] util.rb [edit]
[-] command_manager.rb [edit]
[-] name_tuple.rb [edit]
[-] package_task.rb [edit]
[-] source_list.rb [edit]
[-] security.rb [edit]
[+] ..
[-] ext.rb [edit]
[-] local_remote_options.rb [edit]
[-] psych_tree.rb [edit]
[+] request_set
[-] installer_test_case.rb [edit]
[+] ssl_certs
[-] psych_additions.rb [edit]
[-] errors.rb [edit]
[-] test_case.rb [edit]
[-] install_update_options.rb [edit]
[-] stub_specification.rb [edit]
[-] dependency.rb [edit]
[-] user_interaction.rb [edit]
[-] source_specific_file.rb [edit]
[-] uninstaller.rb [edit]
[-] package.rb [edit]
[-] deprecate.rb [edit]
[-] mock_gem_ui.rb [edit]
[-] test_utilities.rb [edit]
[-] install_default_message.rb [edit]
[+] core_ext
[+] package
[-] requirement.rb [edit]
[-] doctor.rb [edit]
[-] resolver.rb [edit]
[-] text.rb [edit]
[-] defaults.rb [edit]
[-] indexer.rb [edit]
[+] security