Module: SortAlphabetical

Extended by:
SortAlphabetical
Included in:
SortAlphabetical
Defined in:
lib/sort_alphabetical.rb

Instance Method Summary collapse

Instance Method Details

#normalize(string) ⇒ Object 



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# File 'lib/sort_alphabetical.rb', line 21

def normalize(string)
  result = String.new
  UnicodeUtils.compatibility_decomposition(string).each_char do |c|
    if UnicodeUtils.general_category(c) =~ /Letter|Separator|Punctuation|Number/
      result << c
    end
  end
  result
end

#sort(set) ⇒ Object 



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# File 'lib/sort_alphabetical.rb', line 10

def sort(set)
  set.sort_by do |item|
    if block_given?
      item = yield(item).to_s
    else
      item = item.to_s
    end
    [normalize(item), item] # when both á and a are present, sort them a, á
  end
end