Contents

# USAGE: Hash.from_xml:(YOUR_XML_STRING)
require 'nokogiri'
# modified from 
# http://stackoverflow.com/questions/1230741/
# convert-a-nokogiri-document-to-a-ruby-hash/1231297#1231297
class DarwinCore
  module XmlReader
    class << self
      def from_xml(xml_io) 
        result = Nokogiri::XML(xml_io)
        return { result.root.name.to_sym => xml_node_to_hash(result.root)} 
      end

      private

      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 != {}
            result_hash[:attributes] = {}
            node.attributes.keys.each do |key|
              result_hash[:attributes][node.attributes[key].
                name.to_sym] = prepare(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 prepare(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] << prepare(result)
                else
                  result_hash[child.name.to_sym] = 
                    [result_hash[child.name.to_sym]] << prepare(result)
                end
              else 
                result_hash[child.name.to_sym] = prepare(result)
              end
            end

            return result_hash 
          else 
            return result_hash
          end 
        else 
          return prepare(node.content.to_s) 
        end 
      end          

      def prepare(data)
        return data if data.class != String
        return true if data.strip == "true"
        return false if data.strip == "false"
        data.to_i.to_s == data ? data.to_i : data
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
dwc-archive-0.9.10	lib/dwc-archive/xml_reader.rb