#lang typed/racket/base

;; quoting cdata for script tags.  This is used to help generate SCRIPT bodies in XHTML.
;; Note that this won't help too much in regular HTML5 documents.

(provide quote-cdata)


(: quote-cdata (String -> String))
(define (quote-cdata s)
  (string-append "<![CDATA["
                 (regexp-replace* #rx"]]>"
                                  s
                                  "]]]]><![CDATA[>")
                 "]]>"))

                                  

;; (: quote-cdata (String -> String))
;; (define (quote-cdata str)
;;   (let ([chunks (regexp-split #rx"\\]\\]>" str)])
;;     (apply string-append (map wrap (process chunks)))))


;; (: get-cdata-chunks (String -> (Listof String)))
;; (define (get-cdata-chunks s)
;;   (let ([chunks (regexp-split #rx"\\]\\]>" s)])
;;     (process chunks)))


;; (: process ((Listof String) -> (Listof String)))
;; (define (process lst)
;;   (cond
;;     [(empty? (rest lst))
;;      lst]
;;     [else
;;      (cons (string-append (first lst) "]]")
;;            (process (cons (string-append ">" (second lst))
;;                           (rest (rest lst)))))]))

;; (: wrap (String -> String))         
;; (define (wrap s)
;;   (string-append "<![CDATA[" s "]]>"))