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# coding: utf-8
# frozen_string_literal: false
# Copyright Ayumu Nojima (野島 歩) and Martin J. Dürst (duerst@it.aoyama.ac.jp)
#--
# additions to class String for Unicode normalization
#++
class String
# :call-seq:
# str.unicode_normalize!(form=:nfc)
#
# Destructive version of String#unicode_normalize, doing Unicode
# normalization in place.
#
def unicode_normalize!(form = :nfc)
require 'unicode_normalize/normalize.rb'
unicode_normalize! form
end
# :call-seq:
# str.unicode_normalized?(form=:nfc)
#
# Checks whether +str+ is in Unicode normalization form +form+,
# which can be any of the four values +:nfc+, +:nfd+, +:nfkc+, or +:nfkd+.
# The default is +:nfc+.
#
# If the string is not in a Unicode Encoding, then an Exception is raised.
# For details, see String#unicode_normalize.
#
# "a\u0300".unicode_normalized? #=> false
# "a\u0300".unicode_normalized?(:nfd) #=> true
# "\u00E0".unicode_normalized? #=> true
# "\u00E0".unicode_normalized?(:nfd) #=> false
# "\xE0".force_encoding('ISO-8859-1').unicode_normalized?
# #=> Encoding::CompatibilityError raised
#
def unicode_normalized?(form = :nfc)
require 'unicode_normalize/normalize.rb'
unicode_normalized? form
end
end
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