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Name	Size	Permission	Date
bigdecimal	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
cgi	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
digest	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
drb	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
fiddle	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
io	[ DIR ]	drwxrwxrwx	2020-08-24 23:49
irb	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
json	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
matrix	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
net	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
openssl	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
optparse	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
psych	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
racc	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
rbconfig	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
rdoc	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
rexml	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
rinda	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
ripper	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
rss	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
rubygems	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
shell	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
syslog	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
unicode_normalize	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
uri	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
webrick	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
xmlrpc	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
yaml	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
English.rb	6.45 KB	-rw-r--r--	2016-11-21 08:58
abbrev.rb	3.45 KB	-rw-r--r--	2016-11-21 08:58
base64.rb	3.31 KB	-rw-r--r--	2016-11-21 08:58
benchmark.rb	17.85 KB	-rw-r--r--	2016-11-21 08:58
cgi.rb	9.8 KB	-rw-r--r--	2016-11-21 08:58
cmath.rb	9.48 KB	-rw-r--r--	2016-11-21 08:58
csv.rb	82.15 KB	-rw-r--r--	2016-11-21 08:58
date.rb	1011 B	-rw-r--r--	2021-12-06 00:55
debug.rb	29.97 KB	-rw-r--r--	2016-11-21 08:58
delegate.rb	10.29 KB	-rw-r--r--	2016-11-21 08:58
digest.rb	2.82 KB	-rw-r--r--	2021-12-06 00:55
drb.rb	50 B	-rw-r--r--	2016-11-21 08:58
e2mmap.rb	3.8 KB	-rw-r--r--	2016-11-21 08:58
erb.rb	26.38 KB	-rw-r--r--	2016-11-21 08:58
expect.rb	2.17 KB	-rw-r--r--	2021-12-06 00:55
fiddle.rb	1.68 KB	-rw-r--r--	2021-12-06 00:55
fileutils.rb	47.41 KB	-rw-r--r--	2016-11-21 08:58
find.rb	2.51 KB	-rw-r--r--	2016-11-21 08:58
forwardable.rb	8.19 KB	-rw-r--r--	2016-11-21 08:58
getoptlong.rb	15.41 KB	-rw-r--r--	2016-11-21 08:58
ipaddr.rb	17.04 KB	-rw-r--r--	2016-11-21 08:58
irb.rb	20.05 KB	-rw-r--r--	2016-11-21 08:58
json.rb	1.77 KB	-rw-r--r--	2021-12-06 00:55
kconv.rb	5.72 KB	-rw-r--r--	2021-12-06 00:55
logger.rb	21.83 KB	-rw-r--r--	2016-11-21 08:58
mathn.rb	3.87 KB	-rw-r--r--	2016-11-21 08:58
matrix.rb	53.37 KB	-rw-r--r--	2016-11-21 08:58
mkmf.rb	83.68 KB	-rw-r--r--	2021-12-06 00:55
monitor.rb	7.01 KB	-rw-r--r--	2016-11-21 08:58
mutex_m.rb	2.03 KB	-rw-r--r--	2016-11-21 08:58
observer.rb	5.83 KB	-rw-r--r--	2016-11-21 08:58
open-uri.rb	24.61 KB	-rw-r--r--	2016-11-21 08:58
open3.rb	20.67 KB	-rw-r--r--	2016-11-21 08:58
openssl.rb	445 B	-rw-r--r--	2021-12-06 00:55
optionparser.rb	59 B	-rw-r--r--	2016-11-21 08:58
optparse.rb	56.81 KB	-rw-r--r--	2016-11-21 08:58
ostruct.rb	8.58 KB	-rw-r--r--	2016-11-21 08:58
pathname.rb	16.07 KB	-rw-r--r--	2021-12-06 00:55
pp.rb	14.2 KB	-rw-r--r--	2016-11-21 08:58
prettyprint.rb	15.89 KB	-rw-r--r--	2016-11-21 08:58
prime.rb	12.35 KB	-rw-r--r--	2016-11-21 08:58
profile.rb	236 B	-rw-r--r--	2016-11-21 08:58
profiler.rb	4.54 KB	-rw-r--r--	2016-11-21 08:58
pstore.rb	14.58 KB	-rw-r--r--	2016-11-21 08:58
psych.rb	15.29 KB	-rw-r--r--	2021-12-06 00:55
psych_jars.rb	175 B	-rw-r--r--	2021-12-06 00:55
rdoc.rb	5.07 KB	-rw-r--r--	2016-11-21 08:58
resolv-replace.rb	1.76 KB	-rw-r--r--	2016-11-21 08:58
resolv.rb	72.59 KB	-rw-r--r--	2021-12-06 00:55
ripper.rb	2.56 KB	-rw-r--r--	2021-12-06 00:55
rss.rb	2.87 KB	-rw-r--r--	2016-11-21 08:58
rubygems.rb	32.24 KB	-rw-r--r--	2021-12-06 00:55
scanf.rb	23.5 KB	-rw-r--r--	2016-11-21 08:58
securerandom.rb	7.49 KB	-rw-r--r--	2016-11-21 08:58
set.rb	19.63 KB	-rw-r--r--	2016-11-21 08:58
shell.rb	11.33 KB	-rw-r--r--	2016-11-21 08:58
shellwords.rb	6.28 KB	-rw-r--r--	2016-11-21 08:58
singleton.rb	4.05 KB	-rw-r--r--	2016-11-21 08:58
socket.rb	43.49 KB	-rw-r--r--	2021-12-06 00:55
sync.rb	7.28 KB	-rw-r--r--	2016-11-21 08:58
tempfile.rb	10.82 KB	-rw-r--r--	2016-11-21 08:58
thwait.rb	3.34 KB	-rw-r--r--	2016-11-21 08:58
time.rb	22.28 KB	-rw-r--r--	2016-11-21 08:58
timeout.rb	3.68 KB	-rw-r--r--	2016-11-21 08:58
tmpdir.rb	4.13 KB	-rw-r--r--	2021-12-06 00:55
tracer.rb	6.43 KB	-rw-r--r--	2016-11-21 08:58
tsort.rb	14.3 KB	-rw-r--r--	2016-11-21 08:58
ubygems.rb	299 B	-rw-r--r--	2016-11-21 08:58
un.rb	8.87 KB	-rw-r--r--	2016-11-21 08:58
unicode_normalize.rb	3.19 KB	-rw-r--r--	2016-11-21 08:58
uri.rb	3.06 KB	-rw-r--r--	2016-11-21 08:58
weakref.rb	2.95 KB	-rw-r--r--	2016-11-21 08:58
webrick.rb	6.72 KB	-rw-r--r--	2016-11-21 08:58
xmlrpc.rb	8.93 KB	-rw-r--r--	2016-11-21 08:58
yaml.rb	1.73 KB	-rw-r--r--	2016-11-21 08:58

Rename

# frozen_string_literal: false
#--
# Copyright (c) 2001,2003 Akinori MUSHA <knu@iDaemons.org>
#
# All rights reserved.  You can redistribute and/or modify it under
# the same terms as Ruby.
#
# $Idaemons: /home/cvs/rb/abbrev.rb,v 1.2 2001/05/30 09:37:45 knu Exp $
# $RoughId: abbrev.rb,v 1.4 2003/10/14 19:45:42 knu Exp $
# $Id$
#++

##
# Calculates the set of unambiguous abbreviations for a given set of strings.
#
#   require 'abbrev'
#   require 'pp'
#
#   pp Abbrev.abbrev(['ruby'])
#   #=>  {"ruby"=>"ruby", "rub"=>"ruby", "ru"=>"ruby", "r"=>"ruby"}
#
#   pp Abbrev.abbrev(%w{ ruby rules })
#
# _Generates:_
#   { "ruby"  =>  "ruby",
#     "rub"   =>  "ruby",
#     "rules" =>  "rules",
#     "rule"  =>  "rules",
#     "rul"   =>  "rules" }
#
# It also provides an array core extension, Array#abbrev.
#
#   pp %w{ summer winter }.abbrev
#
# _Generates:_
#   { "summer"  => "summer",
#     "summe"   => "summer",
#     "summ"    => "summer",
#     "sum"     => "summer",
#     "su"      => "summer",
#     "s"       => "summer",
#     "winter"  => "winter",
#     "winte"   => "winter",
#     "wint"    => "winter",
#     "win"     => "winter",
#     "wi"      => "winter",
#     "w"       => "winter" }

module Abbrev

# Given a set of strings, calculate the set of unambiguous abbreviations for
  # those strings, and return a hash where the keys are all the possible
  # abbreviations and the values are the full strings.
  #
  # Thus, given +words+ is "car" and "cone", the keys pointing to "car" would
  # be "ca" and "car", while those pointing to "cone" would be "co", "con", and
  # "cone".
  #
  #   require 'abbrev'
  #
  #   Abbrev.abbrev(%w{ car cone })
  #   #=> {"ca"=>"car", "con"=>"cone", "co"=>"cone", "car"=>"car", "cone"=>"cone"}
  #
  # The optional +pattern+ parameter is a pattern or a string. Only input
  # strings that match the pattern or start with the string are included in the
  # output hash.
  #
  #   Abbrev.abbrev(%w{car box cone crab}, /b/)
  #   #=> {"box"=>"box", "bo"=>"box", "b"=>"box", "crab" => "crab"}
  #
  #   Abbrev.abbrev(%w{car box cone}, 'ca')
  #   #=> {"car"=>"car", "ca"=>"car"}
  def abbrev(words, pattern = nil)
    table = {}
    seen = Hash.new(0)

if pattern.is_a?(String)
      pattern = /\A#{Regexp.quote(pattern)}/  # regard as a prefix
    end

words.each do |word|
      next if word.empty?
      word.size.downto(1) { |len|
        abbrev = word[0...len]

next if pattern && pattern !~ abbrev

case seen[abbrev] += 1
        when 1
          table[abbrev] = word
        when 2
          table.delete(abbrev)
        else
          break
        end
      }
    end

words.each do |word|
      next if pattern && pattern !~ word

table[word] = word
    end

table
  end

module_function :abbrev
end

class Array
  # Calculates the set of unambiguous abbreviations for the strings in +self+.
  #
  #   require 'abbrev'
  #   %w{ car cone }.abbrev
  #   #=> {"car"=>"car", "ca"=>"car", "cone"=>"cone", "con"=>"cone", "co"=>"cone"}
  #
  # The optional +pattern+ parameter is a pattern or a string. Only input
  # strings that match the pattern or start with the string are included in the
  # output hash.
  #
  #   %w{ fast boat day }.abbrev(/^.a/)
  #   #=> {"fast"=>"fast", "fas"=>"fast", "fa"=>"fast", "day"=>"day", "da"=>"day"}
  #
  #   Abbrev.abbrev(%w{car box cone}, "ca")
  #   #=> {"car"=>"car", "ca"=>"car"}
  #
  # See also Abbrev.abbrev
  def abbrev(pattern = nil)
    Abbrev::abbrev(self, pattern)
  end
end