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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 xpath expr predicate.ex
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lib/meeseeks/selector/xpath/expr/predicate.ex 

defmodule Meeseeks.Selector.XPath.Expr.Predicate do

  @moduledoc false



  use Meeseeks.Selector.XPath.Expr



  alias Meeseeks.Selector.XPath.Expr



  defstruct e: nil



  def eval(expr, node, document, context) do

    case Expr.eval(expr.e, node, document, context) do

      :NaN -> false

      :Infinity -> false

      :"-Infinity" -> false

      n when is_number(n) -> n == Expr.Helpers.position(node, context)

      x -> Expr.Helpers.boolean(x, document)

    end

  end

end