Module: ActiveSupport::XmlMini_Nokogiri::Conversions::Node

Defined in:
lib/active_support/xml_mini/nokogiri.rb

Constant Summary collapse

CONTENT_ROOT = 
'__content__'.freeze

Instance Method Summary collapse

Instance Method Details

#to_hash(hash = {}) ⇒ Object

Convert XML document to hash

hash

Hash to merge the converted element into.



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# File 'lib/active_support/xml_mini/nokogiri.rb', line 35

def to_hash(hash = {})
  node_hash = {}

  # Insert node hash into parent hash correctly.
  case hash[name]
    when Array then hash[name] << node_hash
    when Hash  then hash[name] = [hash[name], node_hash]
    when nil   then hash[name] = node_hash
    else raise "Unexpected error during hash insertion!"
  end

  # Handle child elements
  children.each do |c|
    if c.element?
      c.to_hash(node_hash)
    elsif c.text? || c.cdata?
      node_hash[CONTENT_ROOT] ||= ''
      node_hash[CONTENT_ROOT] << c.content
     end
  end

  # Remove content node if it is blank and there are child tags
  if node_hash.length > 1 && node_hash[CONTENT_ROOT].blank?
    node_hash.delete(CONTENT_ROOT)
  end

  # Handle attributes
  attribute_nodes.each { |a| node_hash[a.node_name] = a.value }

  hash
end