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lib/xpath.ex
defmodule XPath do
def select(xml_string, xpath_expression) when is_binary(xml_string) do
select(parsed(xml_string), xpath_expression)
end
def select(node, xpath_expression) do
:xmerl_xpath.string(String.to_char_list(xpath_expression), node)
end
defp parsed(xml_string) do
{ parsed_xml, _ } = :xmerl_scan.string(:erlang.bitstring_to_list(xml_string))
parsed_xml
end
end