Using Nokogiri HTML Builder to Create Fragment with Multiple Root Nodes

Using Nokogiri HTML Builder to create fragment with multiple root nodes

As you noted, Builder will not allow you to build an HTML document with multiple root nodes. You'll need to use DocumentFragment

@doc = Nokogiri::HTML::DocumentFragment.parse ""

Nokogiri::HTML::Builder.with(@doc) do |doc|
    doc.div {
      doc.p "first test"
    }
    doc.div {
      doc.p "second test"
    }
end

puts @doc.to_html

How to add a comment before XML root node, in Nokogiri?

Comment should be added inside xml.children NodeSet.

Here is an example:

 xml = Nokogiri::XML('<hello/>')
=> #<Nokogiri::XML::Document:0x3fe1db8d0ed0 name="document" children=[#<Nokogiri::XML::Element:0x3fe1db8d0584 name="hello">]>

xml.children.before(Nokogiri::XML::Comment.new(xml, 'how are you?'))
=> #<Nokogiri::XML::Element:0x3fe1db8d0584 name="hello">

xml.to_s
=> "<?xml version=\"1.0\"?>\n<!--how are you?-->\n<hello/>\n"

How to add an attribute to Nokogiri XML builder?

Add the attributes to the node like this

xml = Nokogiri::XML::Builder.new do |x|
  x.root do
    x.book(isbn: 1235) do
      x.text('Don Quixot')
    end
  end
end.doc

Or, after re-rereading your question perhaps you wanted to add it to the parent further in the do block. In that case, this works:

xml = Nokogiri::XML::Builder.new do |x|
  x.root do
    x.book do
      x.parent.set_attribute('isbn', 12345)
      x.text('Don Quixot')
    end
  end
end.doc

Generates:

<?xml version="1.0"?>
<root>
  <book isbn="1235">Don Quixot</book>
</root>

XML Formation using Nokogiri

Try this instead:

require 'nokogiri'

builder = Nokogiri::XML::Builder.new do
  root {
    action "GetApplication"
    email "apiorder@rently.com"
    password "f1467868c64f818c7b9394d85cc46d98"
    request {
      response_format "detailed"
      application_id "15544"
      render_applicant_extended_fields {
        ari_criminal_info ""
        ari_evictions_info ""
        limelyte_employment ""
        limelyte_drivers_license""
      }
    }
  }
end

req_body = builder.to_xml

Nokogiri XML builder - save options

You can perform an or operation on your options' bits.

doc.to_xml(save_with: Nokogiri::XML::Node::SaveOptions::AS_XML | Nokogiri::XML::Node::SaveOptions::NO_EMPTY_TAGS)

This will apply the defaults of AS_XML and the additional setting of NO_EMPTY_TAGS

Ruby + Nokogiri: How to create XML node with attribute=value?

I would do as below :

require 'nokogiri'

builder = Nokogiri::XML::Builder.new do |xml|
    xml.CityStateLookupRequest('userid' => 'xxxxxx' ) {
      xml.zip("id" => '10'){
        xml.Zip5 '90210'
      }
    }
end

puts builder.to_xml
# >> <?xml version="1.0"?>
# >> <CityStateLookupRequest userid="xxxxxx">
# >>   <zip id="10">
# >>     <Zip5>90210</Zip5>
# >>   </zip>
# >> </CityStateLookupRequest>

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