Class: Skit::Serialization::Processor::Struct

Inherits:
Base
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/skit/serialization/processor/struct.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(type_spec, registry:) ⇒ Struct 



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# File 'lib/skit/serialization/processor/struct.rb', line 18

def initialize(type_spec, registry:)
  super
  unless type_spec.is_a?(Class) && type_spec < T::Struct
    raise ArgumentError, "Expected T::Struct, got #{type_spec}"
  end

  @struct_class = T.let(type_spec, T.class_of(T::Struct))
end

Class Method Details

.handles?(type_spec) ⇒ Boolean 



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# File 'lib/skit/serialization/processor/struct.rb', line 11

def self.handles?(type_spec)
  return false unless type_spec.is_a?(Class)

  !!(type_spec < T::Struct)
end

Instance Method Details

#deserialize(value, path: Path.new) ⇒ Object

Raises:



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# File 'lib/skit/serialization/processor/struct.rb', line 43

def deserialize(value, path: Path.new)
  return value if value.is_a?(@struct_class)

  raise DeserializeError.new("Expected Hash, got #{value.class}", path: path) unless value.is_a?(::Hash)

  symbolized = value.transform_keys(&:to_sym)

  deserialized = @struct_class.props.each_with_object({}) do |(name, prop_def), hash|
    next unless symbolized.key?(name)

    prop_value = symbolized[name]
    prop_type = prop_def[:type_object]
    processor = @registry.processor_for(prop_type)
    hash[name] = processor.deserialize(prop_value, path: path.append(name.to_s))
  end

  @struct_class.new(**deserialized)
end

#serialize(value, path: Path.new) ⇒ Object 



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# File 'lib/skit/serialization/processor/struct.rb', line 28

def serialize(value, path: Path.new)
  unless value.is_a?(@struct_class)
    raise SerializeError.new("Expected #{@struct_class}, got #{value.class}",
                             path: path)
  end

  @struct_class.props.each_with_object({}) do |(name, prop_def), hash|
    prop_value = value.public_send(name)
    prop_type = prop_def[:type_object]
    processor = @registry.processor_for(prop_type)
    hash[name.to_s] = processor.serialize(prop_value, path: path.append(name.to_s))
  end
end

#traverse(value, path: Path.new, &blk) ⇒ Object 



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# File 'lib/skit/serialization/processor/struct.rb', line 69

def traverse(value, path: Path.new, &blk)
  super

  return unless value.is_a?(@struct_class)

  @struct_class.props.each do |name, prop_def|
    prop_value = value.public_send(name)
    prop_type = prop_def[:type_object]
    processor = @registry.processor_for(prop_type)
    processor.traverse(prop_value, path: path.append(name.to_s), &blk)
  end
end