5. The computer program product according to claim 4 , wherein the parsing of the XPath query further comprises: in response to the current primary node including a predicate, performing a predicate evaluation to determine whether the expression information is relevant to the XPath query.
5. The computer program product according to claim 4 , wherein the parsing of the XPath query further comprises: in response to the current primary node including a predicate, performing a predicate evaluation to determine whether the expression information is relevant to the XPath query. 6. The computer program product according to claim 5 , wherein the parsing of the XPath query begins from a root node of the simple path file.