Class: Exonum::ArrayT

Inherits:
Object
  • Object
show all
Defined in:
lib/exonum/types/array.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(value_type) ⇒ ArrayT

Returns a new instance of ArrayT.



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# File 'lib/exonum/types/array.rb', line 5

def initialize value_type
  raise 'String arrays are not supported yet' if value_type.is_a?(StringT) 
  self.value_type = value_type
end

Instance Attribute Details

#value_type ⇒ Object

Returns the value of attribute value_type.



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# File 'lib/exonum/types/array.rb', line 3

def value_type
  @value_type
end

Instance Method Details

#fixed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/exonum/types/array.rb', line 14

def fixed?
  false
end

#serialize(data, buffer, from = 0, shift = 0) ⇒ Object 



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# File 'lib/exonum/types/array.rb', line 18

def serialize data, buffer, from=0, shift=0
  raise "Expecting array" unless data.is_a?(Array)
  UInt32T.serialize buffer.length, buffer, from
  UInt32T.serialize data.length, buffer, from + 4
  if value_type.is_a?(StringT)
    start = buffer.length
    (start..(data.length*8-1)).each do |i|
      buffer[i] = 0
    end
    (0..(data.length-1)).each do |i|
      index = start + i*8
      finish = buffer.length
      UInt32T.serialize finish - shift, buffer, index
      value_type.serialize data[i], buffer, finish
      UInt32T.serialize buffer.length - finish, buffer, index + 4
    end
  elsif value_type.is_a?(ArrayT)
    start = buffer.length
    (start..(data.length*8-1)).each do |i|
      buffer[i] = 0
    end
    (0..(data.length-1)).each do |i|
      index = start + i*8
      value_type.serialize data[i], buffer, shift
    end
  else
    data.each do |item|
      bufferLength = buffer.length
      value_type.serialize item, buffer, bufferLength, bufferLength + value_type.size
    end
  end
end

#size ⇒ Object 



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# File 'lib/exonum/types/array.rb', line 10

def size
  8
end