Class: CBOR::Unpacker

Inherits:
Object
  • Object
show all
Defined in:
lib/cbor-packed.rb

Instance Method Summary collapse

Constructor Details

#initialize(match_array, argument_array) ⇒ Unpacker

Returns a new instance of Unpacker.



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# File 'lib/cbor-packed.rb', line 340

def initialize(match_array, argument_array)
  @simple_array = match_array[0...16]
  @tagged_array = match_array[16..-1]
  # index with 2i for i >= 0 or ~2i for i < 0
  # no map as we need to populate in progress
  # pp argument_array
  @argument_array = []
  @raw_argument_array = argument_array
end

Instance Method Details

#unprefix(n) ⇒ Object 



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# File 'lib/cbor-packed.rb', line 359

def unprefix(n)
  @argument_array[n] ||= @raw_argument_array[n].to_unpacked_cbor1(self)
end

#unsimple(sv) ⇒ Object 



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# File 'lib/cbor-packed.rb', line 349

def unsimple(sv)
  @simple_array[sv].to_unpacked_cbor1(self)
end

#untag(i) ⇒ Object 



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# File 'lib/cbor-packed.rb', line 352

def untag(i)
  # @tagged_array[(i << 1) ^ (i >> 63)]
  ix = (i << 1) ^ (i >> 63)
  ret = @tagged_array[ix]
  # warn "** UNTAG i=#{i} ix=#{ix} ret=#{ret}"
  ret.to_unpacked_cbor1(self)
end