Class: Satt::Primitive::Loader

Inherits:
Object
  • Object
show all
Defined in:
lib/satt.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Loader

Returns a new instance of Loader.



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# File 'lib/satt.rb', line 88

def initialize()
  @objs = {}
end

Instance Method Details

#load(priv) ⇒ Object

Raises:



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# File 'lib/satt.rb', line 92

def load(priv)
  return priv if DONT_SERIALIZE.include?(priv.class)
  raise InvalidArgument, priv.inspect if priv.class != Array or priv.empty?
  objclass = get_class(priv.first)

  if objclass == Symbol
    raise InvalidArgument unless priv.length == 2 and priv.last.class == String
    return priv.last.to_sym
  end

  if objclass == Bignum
    raise InvalidArgument unless priv.length == 2 and priv.last.class == String
    return priv.last.to_i(16)
  end

  if [Array, Hash].include?(objclass) and priv.length == 3
    raise InvalidArgument unless priv.last.class == objclass
  end

  if priv.length == 2 and cache_has(priv[1])
    return cache_get(priv[1])
  end

  obj = cache_has(priv[1]) ? cache_get(priv[1]) : cache_put(priv[1], objclass.allocate)

  if objclass == Array
    priv[2].each_with_index do |e,i|
      obj[i] = load(e)
    end
    return obj
  end

  if objclass == Hash
    return priv[2].reduce(obj) { |hash, (key, value)|
      hash[load(key)] = load(value)
      hash
    }
  end

  if objclass == String
    raise InvalidArgument if priv.last.class != String
    return obj.gsub!(/\A.*\z/, priv[2])
  end

  if priv.last.class != Hash
    raise InvalidArgument, priv.last.inspect
  end

  priv[2].each do |(var, val)|
    obj.instance_variable_set "@#{var}".to_sym, load(val)
  end
  return obj
end