- sxml:xpath-expr string #!rest ns-bindingprocedure
Returns a procedure that accepts an SXML node and returns #t if the node matches the string expression. This is an expression of type Expr, which is whatever you can put in a predicate (between square brackets after a node name).
The optional ns-binding argument is an alist of namespace bindings. It is used to map abbreviated namespace prefixes to full URI strings.
;; Does the node have a class attribute with "content" as value? ((sxml:xpath-expr "@class=\"content\"") '(div (@ (class "content")) (p "Lorem ipsum"))) => #t ;; Does the node have a paragraph with string value of "Lorem ipsum"? ((sxml:xpath-expr "p=\"Lorem ipsum\"") '(div (@ (class "content")) (p "Lorem ipsum"))) => #t ;; Does the node have a "p" child node with string value of "Blah"? ((sxml:xpath-expr "p=\"Blah\"") '(div (@ (class "content")) (p "Lorem ipsum"))) => #f