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meeseeks

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Meeseeks is a library for parsing and extracting data from HTML and XML with CSS or XPath selectors.

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meeseeks lib meeseeks selector combinator next_sibling_element.ex
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lib/meeseeks/selector/combinator/next_sibling_element.ex 

defmodule Meeseeks.Selector.Combinator.NextSiblingElement do

  @moduledoc false



  use Meeseeks.Selector.Combinator



  alias Meeseeks.Document



  defstruct selector: nil



  def next(_combinator, %Document.Element{parent: nil}, _document) do

    nil

  end



  def next(_combinator, %Document.Element{} = element, document) do

    case Document.next_siblings(document, element.id) do

      [] -> nil

      next_siblings ->

        case next_sibling_element(next_siblings, document) do

          nil -> nil

          next_sibling_element ->

            Document.get_node(document, next_sibling_element)

        end

    end

  end



  def next(_combinator, _element, _document) do

    nil

  end



  defp next_sibling_element(next_siblings, document) do

    Enum.find(next_siblings, nil, &(Document.element? document, &1))

  end

end