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# File 'lib/ffi-icu/normalization.rb', line 4
def self.normalize(input, mode = :default)
input_length = input.jlength
needed_length = out_length = options = 0
in_ptr = UCharPointer.from_string(input)
out_ptr = UCharPointer.new(out_length)
retried = false
begin
Lib.check_error do |error|
needed_length = Lib.unorm_normalize(in_ptr, input_length, mode, options, out_ptr, out_length, error)
end
rescue BufferOverflowError
raise BufferOverflowError, "needed: #{needed_length}" if retried
out_ptr = out_ptr.resized_to needed_length
out_length = needed_length + 1
retried = true
retry
end
out_ptr.string
end
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