Class: GVariantMaybeType

Inherits:
GVariantBasicType show all
Defined in:
lib/gvariant.rb

Instance Attribute Summary

Attributes inherited from GVariantBasicType

#alignment, #default_value, #fixed_size, #id

Instance Method Summary collapse

Methods inherited from GVariantBasicType

#align

Constructor Details

#initialize(id, maybe_element) ⇒ GVariantMaybeType

Returns a new instance of GVariantMaybeType.



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# File 'lib/gvariant.rb', line 90

def initialize(id, maybe_element)
  super(id, nil, maybe_element.alignment, nil, nil)
  @element = maybe_element
end

Instance Method Details

#read(buf) ⇒ Object 



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# File 'lib/gvariant.rb', line 95

def read(buf)
  l = buf.length

  # Nothing
  return nil if l == 0

  # Just
  if (@element.fixed_size)
    return nil if l != @element.fixed_size
    @element.read(buf)
  else
    @element.read(buf[0..l - 1])
  end
end