| Server IP : 104.21.30.238 / Your IP : 216.73.216.83 Web Server : LiteSpeed System : Linux premium151.web-hosting.com 4.18.0-553.44.1.lve.el8.x86_64 #1 SMP Thu Mar 13 14:29:12 UTC 2025 x86_64 User : tempvsty ( 647) PHP Version : 8.0.30 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : OFF | Pkexec : OFF Directory : /././././proc/self/root/proc/self/root/opt/alt/ruby19/lib64/ruby/1.9.1/rubygems/ |
Upload File : |
require 'rubygems'
##
# A collection of text-wrangling methods
module Gem::Text
##
# Wraps +text+ to +wrap+ characters and optionally indents by +indent+
# characters
def format_text(text, wrap, indent=0)
result = []
work = text.dup
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
# 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
max = n/2
return m if (0 == n)
return n if (0 == m)
return n if (n - m).abs > max
d = (0..m).to_a
x = nil
n.times do |i|
e = i+1
m.times do |j|
cost = (s[i] == t[j]) ? 0 : 1
x = [
d[j+1] + 1, # insertion
e + 1, # deletion
d[j] + cost # substitution
].min
d[j] = e
e = x
end
d[m] = x
end
return x
end
end