Class: BERT::Encoder

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

Class Method Summary collapse

Class Method Details

.convert(item) ⇒ Object

Convert Ruby types into corresponding Erlectricity representation of BERT complex types.

+item+ is the Ruby object to convert

Returns the converted Ruby object



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# File 'lib/bert/encoder.rb', line 17

def self.convert(item)
  case item
    when Hash
      pairs = Erl::List[]
      item.each_pair { |k, v| pairs << [convert(k), convert(v)] }
      [:bert, :dict, pairs]
    when Tuple
      item.map { |x| convert(x) }
    when Array
      Erl::List.new(item.map { |x| convert(x) })
    when nil
      [:bert, :nil]
    when TrueClass
      [:bert, :true]
    when FalseClass
      [:bert, :false]
    when Time
      [:bert, :time, item.to_i / 1_000_000, item.to_i % 1_000_000, item.usec]
    when Regexp
      options = Erl::List[]
      options << :caseless if item.options & Regexp::IGNORECASE > 0
      options << :extended if item.options & Regexp::EXTENDED > 0
      options << :multiline if item.options & Regexp::MULTILINE > 0
      [:bert, :regex, item.source, options]
    else
      item
  end
end

.encode(ruby) ⇒ Object

Encode a Ruby object into a BERT.

+ruby+ is the Ruby object

Returns a BERT



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# File 'lib/bert/encoder.rb', line 7

def self.encode(ruby)
  complex_ruby = convert(ruby)
  Erlectricity::Encoder.encode(complex_ruby)
end