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File text.rb

# frozen_string_literal: true

##
# 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]/, ".")
  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]/
        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
      a
    elsif b < c
      b
    else
      c
    end
  end

# Returns a value representing the "cost" of transforming str1 into str2
  # Vendored version of DidYouMean::Levenshtein.distance from the ruby/did_you_mean gem @ 1.4.0
  # https://github.com/ruby/did_you_mean/blob/2ddf39b874808685965dbc47d344cf6c7651807c/lib/did_you_mean/levenshtein.rb#L7-L37
  def levenshtein_distance(str1, str2)
    n = str1.length
    m = str2.length
    return m if n.zero?
    return n if m.zero?

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

# to avoid duplicating an enumerable object, create it outside of the loop
    str2_codepoints = str2.codepoints

str1.each_codepoint.with_index(1) do |char1, i|
      j = 0
      while j < m
        cost = (char1 == str2_codepoints[j]) ? 0 : 1
        x = min3(
          d[j + 1] + 1, # insertion
          i + 1,      # deletion
          d[j] + cost # substitution
        )
        d[j] = i
        i = x

j += 1
      end
      d[m] = x
    end

x
  end
end

Name	Type	Size	Permission	Last Modified	Actions
.	DIR	-	drwxr-xr-x	2026-04-30 10:41:38
..	DIR	-	drwxr-xr-x	2026-04-30 10:41:38
commands	DIR	-	drwxr-xr-x	2026-04-30 10:41:38
core_ext	DIR	-	drwxr-xr-x	2026-04-30 10:41:38
defaults	DIR	-	drwxr-xr-x	2026-04-30 10:41:38
ext	DIR	-	drwxr-xr-x	2026-04-30 10:41:38
gemcutter_utilities	DIR	-	drwxr-xr-x	2026-04-30 10:41:38
optparse	DIR	-	drwxr-xr-x	2026-04-07 02:12:46
package	DIR	-	drwxr-xr-x	2026-04-30 10:41:38
request	DIR	-	drwxr-xr-x	2026-04-30 10:41:38
request_set	DIR	-	drwxr-xr-x	2026-04-30 10:41:38
resolver	DIR	-	drwxr-xr-x	2026-04-30 10:41:38
security	DIR	-	drwxr-xr-x	2026-04-30 10:41:38
source	DIR	-	drwxr-xr-x	2026-04-30 10:41:38
ssl_certs	DIR	-	drwxr-xr-x	2026-04-07 02:12:47
tsort	DIR	-	drwxr-xr-x	2026-04-07 02:12:46
util	DIR	-	drwxr-xr-x	2026-04-30 10:41:38
available_set.rb	text/x-c++	3.01 KB	-rw-r--r--	2026-04-07 02:12:59
basic_specification.rb	text/x-c++	7.65 KB	-rw-r--r--	2026-04-07 02:12:59
bundler_version_finder.rb	text/x-ruby	1.96 KB	-rw-r--r--	2026-04-07 02:12:59
command.rb	text/x-c++	16.08 KB	-rw-r--r--	2026-04-07 02:12:59
command_manager.rb	text/x-c++	5.59 KB	-rw-r--r--	2026-04-07 02:12:59
compatibility.rb	text/x-ruby	1 KB	-rw-r--r--	2026-04-07 02:12:59
config_file.rb	text/x-c++	14.03 KB	-rw-r--r--	2026-04-07 02:12:59
defaults.rb	text/x-ruby	6.96 KB	-rw-r--r--	2026-04-07 02:12:59
dependency.rb	text/x-c++	8.65 KB	-rw-r--r--	2026-04-07 02:12:59
dependency_installer.rb	text/x-c++	10.02 KB	-rw-r--r--	2026-04-07 02:12:59
dependency_list.rb	text/x-c++	5.54 KB	-rw-r--r--	2026-04-07 02:12:59
deprecate.rb	text/x-ruby	4.89 KB	-rw-r--r--	2026-04-07 02:12:59
doctor.rb	text/x-c++	3.13 KB	-rw-r--r--	2026-04-07 02:12:59
errors.rb	text/x-ruby	4.53 KB	-rw-r--r--	2026-04-07 02:12:59
exceptions.rb	text/x-c++	7.34 KB	-rw-r--r--	2026-04-07 02:12:59
ext.rb	text/plain	498 B	-rw-r--r--	2026-04-07 02:12:59
gem_runner.rb	text/x-c++	1.8 KB	-rw-r--r--	2026-04-07 02:12:59
gemcutter_utilities.rb	text/x-ruby	10.54 KB	-rw-r--r--	2026-04-07 02:12:59
indexer.rb	text/x-c++	10.91 KB	-rw-r--r--	2026-04-07 02:12:59
install_default_message.rb	text/plain	349 B	-rw-r--r--	2026-04-07 02:12:59
install_message.rb	text/plain	323 B	-rw-r--r--	2026-04-07 02:12:59
install_update_options.rb	text/x-ruby	6.35 KB	-rw-r--r--	2026-04-07 02:12:59
installer.rb	text/x-c++	27.23 KB	-rw-r--r--	2026-04-07 02:12:59
installer_uninstaller_utils.rb	text/x-ruby	773 B	-rw-r--r--	2026-04-07 02:12:59
local_remote_options.rb	text/x-ruby	3.56 KB	-rw-r--r--	2026-04-07 02:12:59
mock_gem_ui.rb	text/x-c++	1.38 KB	-rw-r--r--	2026-04-07 02:12:59
name_tuple.rb	text/x-c++	2.39 KB	-rw-r--r--	2026-04-07 02:12:59
openssl.rb	text/x-ruby	125 B	-rw-r--r--	2026-04-07 02:12:59
optparse.rb	text/plain	72 B	-rw-r--r--	2026-04-07 02:12:59
package.rb	text/x-c++	17.7 KB	-rw-r--r--	2026-04-07 02:12:59
package_task.rb	text/x-c++	3.79 KB	-rw-r--r--	2026-04-07 02:12:59
path_support.rb	text/x-c++	1.79 KB	-rw-r--r--	2026-04-07 02:12:59
platform.rb	text/x-c++	7.48 KB	-rw-r--r--	2026-04-07 02:12:59
psych_tree.rb	text/x-ruby	795 B	-rw-r--r--	2026-04-07 02:12:59
query_utils.rb	text/x-ruby	8.5 KB	-rw-r--r--	2026-04-07 02:12:59
rdoc.rb	text/x-ruby	232 B	-rw-r--r--	2026-04-07 02:12:59
remote_fetcher.rb	text/x-c++	9.2 KB	-rw-r--r--	2026-04-07 02:12:59
request.rb	text/x-c++	8.6 KB	-rw-r--r--	2026-04-07 02:12:59
request_set.rb	text/x-c++	11.31 KB	-rw-r--r--	2026-04-07 02:12:59
requirement.rb	text/x-c++	6.89 KB	-rw-r--r--	2026-04-07 02:12:59
resolver.rb	text/x-c++	9.64 KB	-rw-r--r--	2026-04-07 02:12:59
s3_uri_signer.rb	text/x-c++	5.92 KB	-rw-r--r--	2026-04-07 02:12:59
safe_yaml.rb	text/x-ruby	1.54 KB	-rw-r--r--	2026-04-07 02:12:59
security.rb	text/plain	21.95 KB	-rw-r--r--	2026-04-07 02:12:59
security_option.rb	text/x-ruby	1.06 KB	-rw-r--r--	2026-04-07 02:12:59
shellwords.rb	text/plain	66 B	-rw-r--r--	2026-04-07 02:12:59
source.rb	text/x-c++	5.58 KB	-rw-r--r--	2026-04-07 02:12:59
source_list.rb	text/x-c++	2.41 KB	-rw-r--r--	2026-04-07 02:12:59
spec_fetcher.rb	text/x-c++	6.36 KB	-rw-r--r--	2026-04-07 02:12:59
specification.rb	text/x-c++	70.45 KB	-rw-r--r--	2026-04-07 02:12:59
specification_policy.rb	text/x-c++	13.79 KB	-rw-r--r--	2026-04-07 02:12:59
stub_specification.rb	text/x-c++	4.46 KB	-rw-r--r--	2026-04-07 02:12:59
text.rb	text/x-ruby	2.07 KB	-rw-r--r--	2026-04-07 02:12:59
tsort.rb	text/plain	66 B	-rw-r--r--	2026-04-07 02:12:59
uninstaller.rb	text/x-c++	10.2 KB	-rw-r--r--	2026-04-07 02:12:59
unknown_command_spell_checker.rb	text/x-c++	411 B	-rw-r--r--	2026-04-07 02:12:59
update_suggestion.rb	text/x-ruby	2.26 KB	-rw-r--r--	2026-04-07 02:12:59
uri.rb	text/x-c++	2.33 KB	-rw-r--r--	2026-04-07 02:12:59
uri_formatter.rb	text/x-c++	781 B	-rw-r--r--	2026-04-07 02:12:59
user_interaction.rb	text/x-c++	13.04 KB	-rw-r--r--	2026-04-07 02:12:59
util.rb	text/x-ruby	2.41 KB	-rw-r--r--	2026-04-07 02:12:59
validator.rb	text/x-c++	3.66 KB	-rw-r--r--	2026-04-07 02:12:59
version.rb	text/x-c++	12.57 KB	-rw-r--r--	2026-04-07 02:12:59
version_option.rb	text/x-ruby	2.21 KB	-rw-r--r--	2026-04-07 02:12:59

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