Module: Radiator::Utils

Included in:
Operation, Transaction, Type::Serializer
Defined in:
lib/radiator/utils.rb

Instance Method Summary collapse

Instance Method Details

#hexlify(s) ⇒ Object 



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# File 'lib/radiator/utils.rb', line 3

def hexlify(s)
  a = []
  if s.respond_to? :each_byte
    s.each_byte { |b| a << sprintf('%02X', b) }
  else
    s.each { |b| a << sprintf('%02X', b) }
  end
  a.join.downcase
end

#pakArr(a) ⇒ Object 



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# File 'lib/radiator/utils.rb', line 39

def pakArr(a)
  varint(a.size) + a.map do |v|
    case v
    when Symbol then pakStr(v.to_s)
    when String then pakStr(v)
    when Integer then paks(v)
    when TrueClass then pakC(1)
    when FalseClass then pakC(0)
    when Array then pakArr(v)
    when Hash then pakHash(v)
    when NilClass then next
    else
      raise OperationError, "Unsupported type: #{v.class}"
    end
  end.join
end

#pakc(i) ⇒ Object 



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# File 'lib/radiator/utils.rb', line 77

def pakc(i)
  [i].pack('c')
end

#pakC(i) ⇒ Object 



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# File 'lib/radiator/utils.rb', line 73

def pakC(i)
  [i].pack('C')
end

#pakHash(h) ⇒ Object 



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# File 'lib/radiator/utils.rb', line 56

def pakHash(h)
  varint(h.size) + h.map do |k, v|
    pakStr(k.to_s) + case v
    when Symbol then pakStr(v.to_s)
    when String then pakStr(v)
    when Integer then paks(v)
    when TrueClass then pakC(1)
    when FalseClass then pakC(0)
    when Array then pakArr(v)
    when Hash then pakHash(v)
    when NilClass then next
    else
      raise OperationError, "Unsupported type: #{v.class}"
    end
  end.join
end

#pakI(i) ⇒ Object 



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# File 'lib/radiator/utils.rb', line 89

def pakI(i)
  [i].pack('I')
end

#pakL!(i) ⇒ Object 



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# File 'lib/radiator/utils.rb', line 93

def pakL!(i)
  [i].pack('L!')
end

#paks(i) ⇒ Object 



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# File 'lib/radiator/utils.rb', line 81

def paks(i)
  [i].pack('s')
end

#pakS(i) ⇒ Object 



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# File 'lib/radiator/utils.rb', line 85

def pakS(i)
  [i].pack('S')
end

#pakStr(s) ⇒ Object 



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# File 'lib/radiator/utils.rb', line 30

def pakStr(s)
  s = s.dup.force_encoding('BINARY')
  bytes = []
  bytes << varint(s.size)
  bytes << s
  
  bytes.join
end

#unhexlify(s) ⇒ Object 



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# File 'lib/radiator/utils.rb', line 13

def unhexlify(s)
  s.split.pack('H*')
end

#varint(n) ⇒ Object 



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# File 'lib/radiator/utils.rb', line 17

def varint(n)
  data = []
  while n >= 0x80
    data += [(n & 0x7f) | 0x80]
    
    n >>= 7
  end
  
  data += [n]
  
  data.pack('C*')
end