Class: TwitterCldr::Shared::Caser

Inherits:
Object
  • Object
show all
Defined in:
lib/twitter_cldr/shared/caser.rb

Constant Summary collapse

REGEX = 
/./

Class Method Summary collapse

Class Method Details

.downcase(string) ⇒ Object 



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# File 'lib/twitter_cldr/shared/caser.rb', line 16

def downcase(string)
  string.gsub(REGEX, lowercasing_hash)
end

.titlecase(string) ⇒ Object

toTitlecase(X): Find the word boundaries in X according to Unicode Standard Annex #29, “Unicode Text Segmentation.” For each word boundary, find the first cased character F following the word boundary. If F exists, map F to Titlecase_Mapping(F); then map all characters C between F and the following word boundary to Lowercase_Mapping©.



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# File 'lib/twitter_cldr/shared/caser.rb', line 26

def titlecase(string)
  string.dup.tap do |result|
    word_iterator.each_word(result) do |_, *boundary_pair|
      if cased_pos = first_cased(string, *boundary_pair)
        result[cased_pos] = titlecasing_hash[result[cased_pos]]

        (cased_pos + 1).upto(boundary_pair.last - 1) do |pos|
          result[pos] = lowercasing_hash[result[pos]]
        end
      end
    end
  end
end

.upcase(string) ⇒ Object 



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# File 'lib/twitter_cldr/shared/caser.rb', line 12

def upcase(string)
  string.gsub(REGEX, uppercasing_hash)
end