Working around the presence of method names on Nokogiri::XML::Builder that may also be in OM templates

gistfile1.rb

  def xml_builder_template(extra_opts = {})
    extra_attributes = extra_opts.fetch(:attributes, {})

    node_options = []
    node_child_template = ""
    if !self.default_content_path.nil?
      node_child_options = ["\':::builder_new_value:::\'"]
      node_child_template = " { xml.#{self.default_content_path}( #{OM::XML.delimited_list(node_child_options)} ) }"
    else
      node_options = ["\':::builder_new_value:::\'"]
    end
    if !self.attributes.nil?
      self.attributes.merge(extra_attributes).each_pair do |k,v|
        node_options << "\'#{k}\'=>\'#{v}\'"
      end
    end
    b_ref = "xml"
    b_method = self.path
    if self.path.include?(":")
      ns_prefix = self.path[0..path.index(":")-1]
      b_method = self.path[path.index(":")+1..-1]
      b_ref = "xml['#{ns_prefix}']"
    elsif !self.namespace_prefix.nil? and self.namespace_prefix != 'oxns'
      b_ref = "xml['#{self.namespace_prefix}']"
    end
    if Nokogiri::XML::Builder.method_defined? b_method.to_sym
      b_method += '_'
    end
    template = "#{b_ref}.#{b_method}( #{OM::XML.delimited_list(node_options)} )" + node_child_template
    return template.gsub( /:::(.*?):::/ ) { '#{'+$1+'}' }
  end