Class: Magnet::Parser
- Inherits:
-
Object
- Object
- Magnet::Parser
- Defined in:
- lib/magnet/parser.rb
Defined Under Namespace
Classes: InvalidDataError
Constant Summary collapse
- TRACKS =
{ 1 => /\A%(?<format>[A-Z])(?<pan>[0-9]{1,19})\^(?<name>[A-Za-z.\/ ]{2,26})\^(?<expiration>\d{4}|\^)(?<service_code>\d{3}|\^)(?<discretionary_data>[^\?]+)\?\Z/, 2 => /\A;(?<format>[A-Z])(?<pan>[0-9]{1,19})=(?<expiration>\d{4}|=)(?<service_code>\d{3}|=)(?<discretionary_data>[^\?]+)\?\Z/ }.freeze
Instance Method Summary collapse
-
#initialize(track = :auto) ⇒ Parser
constructor
A new instance of Parser.
- #parse(track_data) ⇒ Object
Constructor Details
#initialize(track = :auto) ⇒ Parser
Returns a new instance of Parser.
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# File 'lib/magnet/parser.rb', line 8 def initialize(track = :auto) @track = :auto end |
Instance Method Details
#parse(track_data) ⇒ Object
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# File 'lib/magnet/parser.rb', line 12 def parse(track_data) tracks = @track == :auto ? TRACKS.values : [TRACKS[@track]] tracks.each do |track| if m = track.match(track_data) attributes = {} attributes[:format] = m[:format] attributes[:pan] = m[:pan] attributes[:name] = m[:name] attributes[:expiration] = m[:expiration] == "^" ? nil : m[:expiration] attributes[:service_code] = m[:service_code] == "^" ? nil : m[:service_code] attributes[:discretionary_data] = m[:discretionary_data] return attributes end end raise InvalidDataError, "track data is not valid" end |