Class: Hash

Inherits:

Object

• Object
• Hash

Defined in:

lib/common.rb

Overview

modified from stackoverflow.com/questions/1230741/convert-a-nokogiri-document-to-a-ruby-hash/1231297#1231297

Class Method Summary

• .from_xml(xml_io) ⇒ Object
• .xml_node_to_hash(node) ⇒ Object

Class Method Details

.from_xml(xml_io) ⇒ Object

# File 'lib/common.rb', line 211

def from_xml(xml_io)
  begin
    result = Nokogiri::XML(xml_io)
    return { result.root.name.to_sym => xml_node_to_hash(result.root)}
  rescue Exception => e
    # raise your custom exception here
  end
end

.xml_node_to_hash(node) ⇒ Object

# File 'lib/common.rb', line 220

def xml_node_to_hash(node)
  # If we are at the root of the document, start the hash 
  if node.element?
    result_hash = {}
    if node.attributes != {}
      attributes = {}
      node.attributes.keys.each do |key|
        attributes[node.attributes[key].name.to_sym] = node.attributes[key].value
      end
    end
    if node.children.size > 0
      node.children.each do |child|
        result = xml_node_to_hash(child)

        if child.name == "text"
          unless child.next_sibling || child.previous_sibling
            return result unless attributes
            result_hash[child.name.to_sym] = result
          end
        elsif result_hash[child.name.to_sym]

          if result_hash[child.name.to_sym].is_a?(Object::Array)
             result_hash[child.name.to_sym] << result
          else
             result_hash[child.name.to_sym] = [result_hash[child.name.to_sym]] << result
          end
        else
          result_hash[child.name.to_sym] = result
        end
      end
      if attributes
         #add code to remove non-data attributes e.g. xml schema, namespace here
         #if there is a collision then node content supersets attributes
         result_hash = attributes.merge(result_hash)
      end
      return result_hash
    else
      return attributes
    end
  else
    return node.content.to_s
  end
end