(cond
	((list? x) x)
	((string? x) x)
	(else '())))
     (port-map (lambda (s)
		 (eval s e))
	       (lambda ()(read p))))))

(define (session:process-file f)
  (let* ((p    (open-input-file f))
	 (dat  (process-port p)))
    (close-input-port p)
    dat))

;; May 2011, putting all pages into one directory for the following reasons:
;;   1. want filename to reflect page name (emacs limitation)
;;   2. that's it! no other reason. could make it configurable ...
;; page-dir-style is:
;;  'stored   => stored in executable
;;  'flat     => pages flat directory
;;  'dir      => directory tree pages/<pagename>/{view,control}.scm
;; parts:
;;  'both     => load control and view (anything other than view or control
;;  'view     => load view only
;;  'control  => load control only
(define (session:call-parts self page parts)
(define (session:call-parts self page #!key (parts 'both))
  (sdat-set-curr-page! self page)
  ;; (session:log self "page-dir-style: " (sdat-get-page-dir-style self))
  (let* ((dir-style ;; (equal? (sdat-get-page-dir-style self) "onedir")) ;; flag #t for onedir, #f for old style
  (session:log self "page-dir-style: " (sdat-get-page-dir-style self))
  (let* ((dir-style    (sdat-get-page-dir-style self));; (equal? (sdat-get-page-dir-style self) "onedir")) ;; flag #t for onedir, #f for old style
	  (sdat-get-page-dir-style self))
	 (dir     (string-append (sdat-get-sroot self) 
				 (if dir-style 
				     (conc "/pages/")
				     (conc "/pages/" page))))
	 (control (string-append dir (if dir-style 
	 (dir          (string-append (sdat-get-sroot self) 
				      (if dir-style 
					  (conc "/pages/")
					  (conc "/pages/" page)))))
    (case dir-style
					 (conc page "_ctrl.scm")
					 "/control.scm")))
	 (view    (string-append dir (if dir-style 
      ;; NB// Stored always loads both control and view
      ((stored)((eval (string->symbol (conc "pages:" page)))))
					 (conc page "_view.scm")
					 "/view.scm")))
	 (load-view    (and (file-exists? view)
			    (or (eq? parts 'both)(eq? parts 'view))))
	 (load-control (and (file-exists? control)
			    (or (eq? parts 'both)(eq? parts 'control))))
	 (view-dat   '()))
    ;; (session:log self "dir-style: " dir-style)
 ;;   (sugar "/home/matt/kiatoa/stml/sugar.scm" ))
    ;; (print "dir=" dir " control=" control " view=" view " load-view=" load-view " load=control=" load-control)
    (if load-control
	(begin
	  (load control)
      ((dir)   
       ;; first the control
	  (session:set-called! self page)))
    ;; move this to where it gets exectuted only once
    ;;
    ;;(s:log "s:b yields " (s:b "blah"))
    (if load-view
	;; option one:
	;;
	;; (let ((inp (open-input-string 
	;; 	    (files-read->string "/home/matt/kiatoa/stml/sugar.scm" 
	;; 				view))))
	;;   (map 
       (let ((control-file (conc "pages/" page "_ctrl.scm"))
	     (view-file    (conc "pages/" page "_view.scm")))
	 (if (and (file-exists? control-file)
		  (not (eq? parts 'view)))
	     (begin
	;;    (lambda (x)
	;;      (cond
	;;       ((list? x) x)
	;;       ((string? x) x)
	;;       (else '())))
	       (session:set-called! self page)
	       (load control-file)))
	 (if (file-exists? view-file)
	     (if (not (eq? parts 'control))
	;;    (port-map eval (lambda ()
	;; 		 (read inp)))))
	;;
	;; option two:
	;;
	(let* (;; (inps (map open-input-file (list view))) ;; sugar view)))
	       (p    (open-input-file view)) ;; (apply make-concatenated-port inps))
	       (dat  (process-port p)))
		 (session:process-file view-file))
		;;(map 
		;;      (lambda (x)
		;;	(cond
		;;	 ((list? x) x)
		;;	 ((string? x) x)
		;;	 (else '())))
		;;      (port-map eval (lambda ()(read p))))))
	  ;; (map close-input-port inps)
	  (close-input-port p)
	  dat)
	(list "<p>Page not found " page " </p>"))))

;;(define (session:call self page)
	     (list "<p>Page not found " page " </p>"))))
      ((flat))
      (else
;;  (session:call-parts self page 'both))
       (list "ERROR: page-dir-style must be stored, dir or flat, got " dir-style)))))

(define (session:call self page parts)
  (session:call-parts self page 'both))

(define (session:load-model self model)
  (let ((model.scm (string-append (sdat-get-sroot self) "/models/" model ".scm"))
	(model.so  (string-append (sdat-get-sroot self) "/models/" model ".so")))
    (if (file-exists? model.so)
	(load model.so)
	(if (file-exists? model.scm)
	    (load model.scm)
	    (s:log "ERROR: model " model.scm " not found")))))
;; (define (session:load-model self model)
;;   (let ((model.scm (string-append (sdat-get-sroot self) "/models/" model ".scm"))
;; 	(model.so  (string-append (sdat-get-sroot self) "/models/" model ".so")))
;;     (if (file-exists? model.so)
;; 	(load model.so)
;; 	(if (file-exists? model.scm)
;; 	    (load model.scm)
;; 	    (s:log "ERROR: model " model.scm " not found")))))

(define (session:model-path self model)
  (string-append (sdat-get-sroot self) "/models/" model ".scm"))
;; (define (session:model-path self model)
;;   (string-append (sdat-get-sroot self) "/models/" model ".scm"))

(define (session:pp-formdat self)
  (let ((dat (formdat:all->strings (sdat-get-formdat self))))
    (string-intersperse dat "<br> ")))

(define (session:param->string params)
  ;; (err:log "params=" params)