Module: Juniter::HasChildren

Included in:
Element
Defined in:
lib/juniter/has_children.rb

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/juniter/has_children.rb', line 4

def self.included(base)
  base.extend(ClassMethods)
end

Instance Method Details

#assign_children_from_xml(nodes) ⇒ Object 



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# File 'lib/juniter/has_children.rb', line 50

def assign_children_from_xml(nodes)
  child_map = self.class.child_types.each_with_object({}) do |name, hash|
    hash[self.class.child_aliases.fetch(name, name).to_s] = name
  end

  nodes.each do |node|
    next if node.is_a?(Ox::Comment)

    if node.is_a?(String) || node.is_a?(Ox::CData)
      value = node.is_a?(String) ? node : node.value
      text_child = self.class.text_child
      next unless text_child
      public_send :"#{text_child}=", [ public_send(:"#{text_child}"), value ].join
      next
    end

    name = child_map.fetch(node.value)
    mapped = self.class.child_processors[name].call(node)
    if self.class.array_children.include?(name)
      public_send("#{name}") << mapped
    else
      public_send "#{name}=", mapped
    end
  end
end

#children_xml ⇒ Object 



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# File 'lib/juniter/has_children.rb', line 76

def children_xml
  self.class.child_types.each_with_object([]) do |name, children|
    value = public_send(name)
    next if value.nil?

    element = self.class.child_aliases.fetch(name, name)
    if self.class.array_children.include?(name)
      children.concat value.map { |child|
        child.respond_to?(:to_xml) ? child.to_xml : Ox::Element.new(element).tap { |el| el << child }
      }
    elsif self.class.text_child == name
      children << value
    else
      children << (value.respond_to?(:to_xml) ? value.to_xml : Ox::Element.new(element).tap { |el| el << value })
    end
  end
end