Sha256: 54289dee97fd8e0416009ad640452d2d6d8ed7f3bd58efe657ca4cee5d29b7e7
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Size: 751 Bytes
Versions: 16
Compression:
Stored size: 751 Bytes
Contents
module Iban
class Validator
# public because it's used in `Ibanizator.calculate_iban`
def sanitize_input(input)
input.to_s.chomp.gsub(/\s+/,"")
end
private
def valid_length?(iban)
return false if iban.length <= 4 # two digits for the country code and two for the checksum
country_code = iban[0..1].upcase.to_sym
iban.length == Ibanizator::Iban::LENGTHS[country_code]
end
def valid_checksum?(iban)
number_representation = integerize(reorder(iban))
number_representation % 97 == 1
end
def reorder(iban)
"#{iban[4..-1]}#{iban[0..3]}"
end
def integerize(iban)
iban.gsub(/[A-Z]/) do |match|
match.ord - 'A'.ord + 10
end.to_i
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems