Module: CharacterSet::RubyFallback::CharacterSetMethods

Included in:
CharacterSet::RubyFallback
Defined in:
lib/character_set/ruby_fallback/character_set_methods.rb

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Instance Method Details

#case_insensitive ⇒ Object 



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# File 'lib/character_set/ruby_fallback/character_set_methods.rb', line 24

def case_insensitive
  new_set = dup
  each do |cp|
    swapped_cps = cp.chr('utf-8').swapcase.codepoints
    swapped_cps.size == 1 && new_set << swapped_cps[0]
  end
  new_set
end

#cover?(string) ⇒ Boolean 



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# File 'lib/character_set/ruby_fallback/character_set_methods.rb', line 47

def cover?(string)
  str!(string).each_codepoint { |cp| return false unless include?(cp) }
  true
end

#delete_in(string) ⇒ Object 



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# File 'lib/character_set/ruby_fallback/character_set_methods.rb', line 52

def delete_in(string)
  make_new_str(string) { |cp, new_str| include?(cp) || (new_str << cp) }
end

#delete_in!(string) ⇒ Object 



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# File 'lib/character_set/ruby_fallback/character_set_methods.rb', line 56

def delete_in!(string)
  result = delete_in(string)
  result.size == string.size ? nil : string.replace(result)
end

#inversion(include_surrogates: false, upto: 0x10FFFF) ⇒ Object 



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# File 'lib/character_set/ruby_fallback/character_set_methods.rb', line 15

def inversion(include_surrogates: false, upto: 0x10FFFF)
  new_set = self.class.new
  0.upto(upto) do |cp|
    next unless include_surrogates || cp > 0xDFFF || cp < 0xD800
    new_set << cp unless include?(cp)
  end
  new_set
end

#keep_in(string) ⇒ Object 



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# File 'lib/character_set/ruby_fallback/character_set_methods.rb', line 61

def keep_in(string)
  make_new_str(string) { |cp, new_str| include?(cp) && (new_str << cp) }
end

#keep_in!(string) ⇒ Object 



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# File 'lib/character_set/ruby_fallback/character_set_methods.rb', line 65

def keep_in!(string)
  result = keep_in(string)
  result.size == string.size ? nil : string.replace(result)
end

#ranges ⇒ Object 



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# File 'lib/character_set/ruby_fallback/character_set_methods.rb', line 33

def ranges
  @range_compressor_required ||= require 'range_compressor'
  RangeCompressor.compress(self)
end

#sample(count = nil) ⇒ Object 



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# File 'lib/character_set/ruby_fallback/character_set_methods.rb', line 38

def sample(count = nil)
  count.nil? ? to_a(true).sample : to_a(true).sample(count)
end

#used_by?(string) ⇒ Boolean 



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# File 'lib/character_set/ruby_fallback/character_set_methods.rb', line 42

def used_by?(string)
  str!(string).each_codepoint { |cp| return true if include?(cp) }
  false
end