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/home/barbar84/public_h.../wp-conte.../plugins/sujqvwi/ExeBy/exe_root.../opt/alt/ruby30/share/ruby
File: abbrev.rb
# frozen_string_literal: true
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#--
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# Copyright (c) 2001,2003 Akinori MUSHA <knu@iDaemons.org>
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#
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# All rights reserved. You can redistribute and/or modify it under
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# the same terms as Ruby.
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#
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# $Idaemons: /home/cvs/rb/abbrev.rb,v 1.2 2001/05/30 09:37:45 knu Exp $
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# $RoughId: abbrev.rb,v 1.4 2003/10/14 19:45:42 knu Exp $
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# $Id$
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#++
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##
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# Calculates the set of unambiguous abbreviations for a given set of strings.
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#
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# require 'abbrev'
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# require 'pp'
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#
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# pp Abbrev.abbrev(['ruby'])
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# #=> {"ruby"=>"ruby", "rub"=>"ruby", "ru"=>"ruby", "r"=>"ruby"}
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#
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# pp Abbrev.abbrev(%w{ ruby rules })
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#
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# _Generates:_
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# { "ruby" => "ruby",
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# "rub" => "ruby",
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# "rules" => "rules",
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# "rule" => "rules",
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# "rul" => "rules" }
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#
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# It also provides an array core extension, Array#abbrev.
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#
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# pp %w{ summer winter }.abbrev
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#
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# _Generates:_
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# { "summer" => "summer",
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# "summe" => "summer",
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# "summ" => "summer",
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# "sum" => "summer",
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# "su" => "summer",
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# "s" => "summer",
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# "winter" => "winter",
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# "winte" => "winter",
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# "wint" => "winter",
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# "win" => "winter",
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# "wi" => "winter",
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# "w" => "winter" }
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module Abbrev
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# Given a set of strings, calculate the set of unambiguous abbreviations for
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# those strings, and return a hash where the keys are all the possible
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# abbreviations and the values are the full strings.
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#
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# Thus, given +words+ is "car" and "cone", the keys pointing to "car" would
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# be "ca" and "car", while those pointing to "cone" would be "co", "con", and
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# "cone".
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#
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# require 'abbrev'
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#
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# Abbrev.abbrev(%w{ car cone })
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# #=> {"ca"=>"car", "con"=>"cone", "co"=>"cone", "car"=>"car", "cone"=>"cone"}
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#
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# The optional +pattern+ parameter is a pattern or a string. Only input
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# strings that match the pattern or start with the string are included in the
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# output hash.
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#
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# Abbrev.abbrev(%w{car box cone crab}, /b/)
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# #=> {"box"=>"box", "bo"=>"box", "b"=>"box", "crab" => "crab"}
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#
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# Abbrev.abbrev(%w{car box cone}, 'ca')
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# #=> {"car"=>"car", "ca"=>"car"}
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def abbrev(words, pattern = nil)
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table = {}
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seen = Hash.new(0)
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if pattern.is_a?(String)
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pattern = /\A#{Regexp.quote(pattern)}/ # regard as a prefix
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end
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words.each do |word|
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next if word.empty?
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word.size.downto(1) { |len|
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abbrev = word[0...len]
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next if pattern && pattern !~ abbrev
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case seen[abbrev] += 1
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when 1
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table[abbrev] = word
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when 2
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table.delete(abbrev)
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else
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break
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end
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}
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end
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words.each do |word|
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next if pattern && pattern !~ word
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table[word] = word
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end
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table
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end
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module_function :abbrev
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end
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class Array
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# Calculates the set of unambiguous abbreviations for the strings in +self+.
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#
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# require 'abbrev'
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# %w{ car cone }.abbrev
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# #=> {"car"=>"car", "ca"=>"car", "cone"=>"cone", "con"=>"cone", "co"=>"cone"}
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#
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# The optional +pattern+ parameter is a pattern or a string. Only input
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# strings that match the pattern or start with the string are included in the
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# output hash.
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#
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# %w{ fast boat day }.abbrev(/^.a/)
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# #=> {"fast"=>"fast", "fas"=>"fast", "fa"=>"fast", "day"=>"day", "da"=>"day"}
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#
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# Abbrev.abbrev(%w{car box cone}, "ca")
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# #=> {"car"=>"car", "ca"=>"car"}
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#
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# See also Abbrev.abbrev
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def abbrev(pattern = nil)
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Abbrev::abbrev(self, pattern)
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end
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end
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Function