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proc
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thread-self
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root
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proc
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thread-self
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root
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opt
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alt
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ruby31
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share
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rubygems
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rubygems
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files >> //proc/thread-self/root/proc/thread-self/root/opt/alt/ruby31/share/rubygems/rubygems/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]/, ".".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]/ 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://git.io/JJgZI 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
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