Class: XDR::VarArray

Inherits:
Object
  • Object
show all
Includes:
Concerns::ArrayConverter, Concerns::ConvertsToXDR
Defined in:
lib/xdr/var_array.rb

Instance Method Summary collapse

Methods included from Concerns::ConvertsToXDR

#from_xdr, #to_xdr

Constructor Details

#initialize(child_type, length = XDR::MAX_SIZE) ⇒ VarArray

Returns a new instance of VarArray.



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# File 'lib/xdr/var_array.rb', line 7

def initialize(child_type, length=XDR::MAX_SIZE)
  @child_type   = child_type
  @length = length
end

Instance Method Details

#read(io) ⇒ Object 



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# File 'lib/xdr/var_array.rb', line 25

def read(io)
  length = XDR::Int.read(io)

  if length > @length
    raise XDR::ReadError, "VarArray length #{length} is greater than max #{@length}"
  end

  length.times.map{ @child_type.read(io) }
end

#valid?(val) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xdr/var_array.rb', line 35

def valid?(val)
  super(val) && val.length <= @length
end

#write(val, io) ⇒ Object 



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# File 'lib/xdr/var_array.rb', line 12

def write(val, io)
  length = val.length

  if length > @length
    raise XDR::WriteError, "Value length #{length} exceeds max #{@length}"
  end

  XDR::Int.write(length, io)
  val.each do |member|
    @child_type.write member, io
  end
end