class Multibases::Base16
Constants
- Default
Public Class Methods
decode(packed)
click to toggle source
# File lib/multibases/base16.rb, line 26 def self.decode(packed) packed = packed.pack('C*') if packed.is_a?(Array) # packed.scan(/../).map { |x| x.hex.chr }.join DecodedByteArray.new(Array(String(packed)).pack('H*').bytes) end
encode(plain)
click to toggle source
RFC 4648 implementation
# File lib/multibases/base16.rb, line 16 def self.encode(plain) plain = plain.pack('C*') if plain.is_a?(Array) # plain.each_byte.map do |byte| byte.to_s(16) end.join EncodedByteArray.new( plain.unpack1('H*').bytes, encoding: Encoding::US_ASCII ) end
new(alphabet, strict: false, encoding: nil)
click to toggle source
# File lib/multibases/base16.rb, line 54 def initialize(alphabet, strict: false, encoding: nil) @table = Table.from(alphabet, strict: strict, encoding: encoding) end
Public Instance Methods
decodable?(encoded)
click to toggle source
# File lib/multibases/base16.rb, line 101 def decodable?(encoded) (encoded.uniq - @table.tr_ords).length.zero? end
decode(encoded)
click to toggle source
# File lib/multibases/base16.rb, line 69 def decode(encoded) return DecodedByteArray::EMPTY if encoded.empty? unless encoded.is_a?(Array) encoded = encoded.force_encoding(@table.encoding).bytes end unless decodable?(encoded) raise ArgumentError, "'#{encoded}' contains unknown characters'" end unless default? encoded = ByteArray.new(encoded).transcode( table_ords, Default.table_ords(force_strict: @table.strict?), encoding: Encoding::US_ASCII ) end Multibases::Base16.decode(encoded) end
default?()
click to toggle source
# File lib/multibases/base16.rb, line 91 def default? eql?(Default) end
encode(plain)
click to toggle source
# File lib/multibases/base16.rb, line 58 def encode(plain) encoded = Multibases::Base16.encode(plain) return encoded if default? encoded.transcode( Default.table_ords(force_strict: @table.strict?), table_ords, encoding: @table.encoding ) end
eql?(other)
click to toggle source
# File lib/multibases/base16.rb, line 95 def eql?(other) other.is_a?(Base16) && other.instance_variable_get(:@table) == @table end
Also aliased as: ==
inspect()
click to toggle source
# File lib/multibases/base16.rb, line 8 def inspect '[Multibases::Base16 ' \ "alphabet=\"#{@table.alphabet}\"" \ "#{@table.strict? ? ' strict' : ''}" \ ']' end
table_ords(force_strict: nil)
click to toggle source
# File lib/multibases/base16.rb, line 105 def table_ords(force_strict: nil) @table.tr_ords(force_strict: force_strict) end