Class: RQRCodeCore::QRNumeric
- Inherits:
-
Object
- Object
- RQRCodeCore::QRNumeric
- Defined in:
- lib/rqrcode_core/qrcode/qr_numeric.rb
Class Method Summary collapse
Instance Method Summary collapse
-
#initialize(data) ⇒ QRNumeric
constructor
A new instance of QRNumeric.
- #write(buffer) ⇒ Object
Constructor Details
#initialize(data) ⇒ QRNumeric
Returns a new instance of QRNumeric.
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# File 'lib/rqrcode_core/qrcode/qr_numeric.rb', line 7 def initialize(data) raise QRCodeArgumentError, "Not a numeric string `#{data}`" unless QRNumeric.valid_data?(data) @data = data end |
Class Method Details
.valid_data?(data) ⇒ Boolean
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# File 'lib/rqrcode_core/qrcode/qr_numeric.rb', line 13 def self.valid_data?(data) (data.chars - NUMERIC).empty? end |
Instance Method Details
#write(buffer) ⇒ Object
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# File 'lib/rqrcode_core/qrcode/qr_numeric.rb', line 17 def write(buffer) buffer.numeric_encoding_start(@data.size) @data.size.times do |i| if i % 3 == 0 chars = @data[i, 3] bit_length = get_bit_length(chars.length) buffer.put(get_code(chars), bit_length) end end end |