Module: Bridge::Serializer

Defined in:
lib/serializer.rb

Overview

:nodoc: all

Defined Under Namespace

Classes: Callback

Class Method Summary collapse

Class Method Details

.serialize(bridge, obj) ⇒ Object 



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# File 'lib/serializer.rb', line 7

def self.serialize bridge, obj
  # Serialize immediately if obj responds to to_dict
  if obj.respond_to? :to_dict
    result = obj.to_dict
  # Enumerate hash and serialize each member
  elsif obj.is_a? Hash
    result = {}
    obj.each do |k, v|
      result[k] = serialize bridge, v
    end
  # Enumerate array and serialize each member
  elsif obj.is_a? Array
    result = obj.map do |v|
      serialize bridge, v
    end
  # Store as callback if callable
  elsif obj.respond_to?(:call)
    result = bridge.store_object(Callback.new(obj), ['callback']).to_dict
  # Return obj itself is JSON serializable
  elsif JSON::Ext::Generator::GeneratorMethods.constants.include? obj.class.name.to_sym
    result = obj
  # Otherwise store as service. Obj is a class instance or module
  else
    result = bridge.store_object(obj, Util.find_ops(obj)).to_dict  
  end
  return result
end

.unserialize(bridge, obj) ⇒ Object 



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# File 'lib/serializer.rb', line 35

def self.unserialize bridge, obj
  if obj.is_a? Hash
    obj.each do |k, v|
      unserialize_helper bridge, obj, k, v
    end
  elsif obj.is_a? Array
    obj.each_with_index do |v, k|
      unserialize_helper bridge, obj, k, v
    end
  end
end

.unserialize_helper(bridge, obj, k, v) ⇒ Object 



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# File 'lib/serializer.rb', line 47

def self.unserialize_helper bridge, obj, k, v
  if v.is_a? Hash
    # If object has ref key, convert to reference
    if v.has_key? 'ref'
      if v['ref'][1] == bridge.connection.client_id and v['ref'][0] == 'client' and 
        obj[k] = bridge.store[v['ref'][2]]
        if obj[k].is_a? Callback
          obj[k] = obj[k].method :callback
        end
      else
        # Create reference
        ref = Reference.new(bridge, v['ref'], v['operations'])
        if v.has_key? 'operations' and v['operations'].length == 1 and v['operations'][0] == 'callback'
          # Callback wrapper
          obj[k] = Util.ref_callback ref
        else
          obj[k] = ref
        end
      end
      return
    end
  end
  unserialize bridge, v
end