Module: Transformator::FormatConverter::HashFromDocument

Included in:
Transformator::FormatConverter
Defined in:
lib/transformator/format_converter/hash_from_document.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.process_node(node, hash) ⇒ Object 



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# File 'lib/transformator/format_converter/hash_from_document.rb', line 22

def self.process_node(node, hash)
  value =
  if (child_nodes = node.nodes).all? { |child_node| child_node.is_a?(String) }
    case node[:type]
    when "integer" then child_nodes.join.to_i
    when "float" then child_nodes.join.to_f
    when "boolean" then child_nodes.join.downcase == "true"
    else node[:nil] == "true" ? nil : child_nodes.join
    end
  else
    if node[:type] == "array"
      node.locate(node.value)
      .map do |child_node|
        if (arr_element = process_node(child_node, {})).is_a?(Hash) && arr_element.keys == [node.value]
          arr_element.values.first
        else
          arr_element
        end
      end
    else
      {}.tap do |child_nodes_hash|
        child_nodes.each do |child_node|
          process_node(child_node, child_nodes_hash)
        end
      end
    end
  end

  hash[node.value] =
  if hash[node.value].nil?
    value
  elsif hash[node.value].is_a?(Array)
    hash[node.value] << value
  else
    [hash[node.value], value]
  end

  hash
end

Instance Method Details

#hash_from_document(document) ⇒ Object 



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# File 'lib/transformator/format_converter/hash_from_document.rb', line 4

def hash_from_document(document)
  document =
  if document.root.value == "hash"
    document
  else
    hash_container_document = Ox::Document.new
    hash_container_document << (hash_root_element = Ox::Element.new("hash"))
    document.nodes.each do |node|
      hash_root_element << node
    end

    hash_container_document
  end

  hash = Transformator::FormatConverter::HashFromDocument.process_node(document.root, {})
  hash["hash"].nil? ? hash : hash["hash"]
end