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, #pad

Constructor Details

#initialize(id, maybe_element) ⇒ GVariantMaybeType

Returns a new instance of GVariantMaybeType.



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# File 'lib/gvariant.rb', line 105

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 110

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

#write(val) ⇒ Object 



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# File 'lib/gvariant.rb', line 125

def write(val)
  if val
    buf = @element.write(val)
    buf.concat(0) unless @element.fixed_size
    buf
  else
    ""
  end
end