Module: Unicode::Confusable

Defined in:
lib/unicode/confusable.rb,
lib/unicode/confusable/index.rb,
lib/unicode/confusable/constants.rb

Constant Summary collapse

INDEX = 
Marshal.load(Gem.gunzip(File.binread(INDEX_FILENAME)))
VERSION = 
"1.0.0".freeze
DATA_DIRECTORY = 
File.expand_path(File.dirname(__FILE__) + '/../../../data/').freeze
INDEX_FILENAME = 
(DATA_DIRECTORY + '/confusable.marshal.gz').freeze

Class Method Summary collapse

Class Method Details

.confusable?(string1, string2) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/unicode/confusable.rb', line 8

def self.confusable?(string1, string2)
  skeleton(string1) == skeleton(string2)
end

.skeleton(string) ⇒ Object 



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# File 'lib/unicode/confusable.rb', line 12

def self.skeleton(string)
  require_relative 'display_width/index' unless defined? ::Unicode::Confusable::INDEX
  UnicodeNormalize.normalize(
    UnicodeNormalize.normalize(string, :nfd).each_codepoint.map{ |codepoint|
      INDEX[codepoint] || codepoint
    }.flatten.pack("U*"), :nfd
  )
end