Module: AmazonProduct::Builder

Defined in:
lib/amazon_product/builder.rb

Class Method Summary collapse

Class Method Details

.from_xml(xml) ⇒ Object

Builds a hash from a Nokogiri XML document.

In earlier versions of Sucker, I was relying on the XML Mini Nokogiri module in Active Support. This method essentially accomplishes the same.

Based on gist.github.com/335286



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# File 'lib/amazon_product/builder.rb', line 10

def self.from_xml(xml)
  case xml
  when Nokogiri::XML::Document
    from_xml(xml.root)
  when Nokogiri::XML::Element
    result_hash = {}

    xml.attributes.each_pair do |key, attribute|
      result_hash[key] = attribute.value
    end

    xml.children.each do |child|
      result = from_xml(child)

      if child.name == 'text'
        if result_hash.empty?
          return result
        else
          result_hash['__content__'] = result
        end
      elsif result_hash[child.name]
        if result_hash[child.name].is_a? Array
          result_hash[child.name] << result
        else
          result_hash[child.name] = [result_hash[child.name]] << result
        end
      else
        result_hash[child.name] = result
      end
    end

    result_hash
  else
    xml.content.to_s
  end
end