Class: TrickSerial::Serializer::Simple

Inherits:
TrickSerial::Serializer show all
Defined in:
lib/trick_serial/serializer/simple.rb

Overview

Simple, non-swizzling coder. This requires encode and decode operations. Array and Hash are not extended to support swizzling. Ivar swizzling is not used.

Instance Attribute Summary

Attributes inherited from TrickSerial::Serializer

#class_option_map, #debug, #enabled, #logger, #logger_level, #root, #verbose

Instance Method Summary collapse

Methods inherited from TrickSerial::Serializer

#_class_option, #_copy_with_extensions, #_extended_by, #_log, #_make_proxy, #_prepare, class_option_map, class_option_map=, #decode, #decode!, default, default=, #enabled?, #encode, #encode!, #initialize, #proxyable

Constructor Details

This class inherits a constructor from TrickSerial::Serializer

Instance Method Details

#_decode!(x) ⇒ Object

def



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# File 'lib/trick_serial/serializer/simple.rb', line 70

def _decode! x
  case x
  when ObjectProxy
    x = x.object

  when Array
    if o = @visited[x.object_id]
      return o.first
    end
    extended = false
    o = x
    x = x.dup if @copy
    @visited[o.object_id] = [ x, o ]
    x.map! do | v |
      _decode! v
    end
    
  when Hash
    if o = @visited[x.object_id]
      return o.first
    end
    extended = false
    o = x
    x = x.dup if @copy
    @visited[o.object_id] = [ x, o ]
    x.keys.to_a.each do | k |
      x[k] = _decode!(x[k])
    end
    
  when *@proxyable
    if proxy = @object_to_proxy_map[x.object_id]
      return proxy.first
    end
    # debugger
    o = x
    if class_option = _class_option(x)
      # Deeply encode instance vars?
      if ivs = class_option[:instance_vars]
        ivs = x.instance_variables if ivs == true
        x = x.dup if @copy
        @object_to_proxy_map[o.object_id] = [ x, o ]
        ivs.each do | ivar |
          v = x.instance_variable_get(ivar)
          # $stderr.puts "\n#{x.class} #{x.object_id} ivar #{ivar} #{v.inspect}" if @debug
          v = _decode!(v)
          x.instance_variable_set(ivar, v)
        end
      end
    end
    @object_to_proxy_map[o.object_id] ||= [ x, o ]
  end # case
  
  x
end

#_encode!(x) ⇒ Object 



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# File 'lib/trick_serial/serializer/simple.rb', line 11

def _encode! x
  # pp [ :_encode!, x.class, x ]

  case x
  when ObjectProxy
    x

  when Array
    if o = @visited[x.object_id]
      return o.first
    end
    extended = false
    o = x
    x = x.dup if @copy
    @visited[o.object_id] = [ x, o ]
    x.map! do | v |
      _encode! v
    end

  when Hash
    if o = @visited[x.object_id]
      return o.first
    end
    extended = false
    o = x
    x = x.dup if @copy
    @visited[o.object_id] = [ x, o ]
    x.keys.to_a.each do | k |
      x[k] = _encode!(x[k])
    end

  when *@proxyable
    if proxy = @object_to_proxy_map[x.object_id]
      return proxy.first
    end
    # debugger
    o = x
    proxy_cls = nil
    if class_option = self._class_option(x)
      proxy_cls = class_option[:proxy_class]
      # Deeply encode instance vars?
      if ivs = class_option[:instance_vars]
        ivs = x.instance_variables if ivs == true
        x = x.dup if @copy
        @object_to_proxy_map[o.object_id] = [ x, o ]
        ivs.each do | ivar |
          v = x.instance_variable_get(ivar)
          v = _encode!(v)
          x.instance_variable_set(ivar, v)
        end
      end
    end
    
    x = _make_proxy o, x, proxy_cls
  end

  x
end