83 lines
3.2 KiB
Scheme
83 lines
3.2 KiB
Scheme
|
;;; scganadu.scm - a Xanadu file system (until desktop publishing)
|
||
|
|
;;;
|
||
|
|
;;; Copyright (c) 2011-2012 Johan Ceuppens
|
||
|
|
;;;
|
||
|
|
;;; All rights reserved.
|
||
|
|
;;;
|
||
|
|
;;; Redistribution and use in source and binary forms, with or without
|
||
|
|
;;; modification, are permitted provided that the following conditions
|
||
|
|
;;; are met:
|
||
|
|
;;; 1. Redistributions of source code must retain the above copyright
|
||
|
|
;;; notice, this list of conditions and the following disclaimer.
|
||
|
|
;;; 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
;;; notice, this list of conditions and the following disclaimer in the
|
||
|
|
;;; documentation and/or other materials provided with the distribution.
|
||
|
|
;;; 3. The name of the authors may not be used to endorse or promote products
|
||
|
|
;;; derived from this software without specific prior written permission.
|
||
|
|
;;;
|
||
|
|
;;; THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
|
||
|
|
;;; IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||
|
|
;;; OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||
|
|
;;; IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||
|
|
;;; INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||
|
|
;;; NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||
|
|
;;; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||
|
|
;;; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
|
|
;;; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||
|
|
;;; THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
|
||
|
|
(load "scgameutil.scm")
|
||
|
|
(load "scganaduutil.scm")
|
||
|
|
;; This code fabricates xanadu hypertext files to attach
|
||
|
|
;; to xanandu objects or use as metafiles
|
||
|
|
|
||
|
|
(define (make-scganadu)
|
||
|
|
(let ((record (delay #f)))
|
||
|
|
|
||
|
|
(define (add-file filename)
|
||
|
|
(let ((displayproc (write (((FILE-MAKER-unit (force record)) 'get-post-html)
|
||
|
|
(string-append "<filename>"
|
||
|
|
filename
|
||
|
|
"</filename>"))))
|
||
|
|
|
||
|
|
(with-output-to-file (string-append "." filename ".scganadu") displayproc)
|
||
|
|
)))
|
||
|
|
|
||
|
|
(define (attach-to-file! filename)
|
||
|
|
(let ((displayproc (write (((FILE-MAKER-unit (force record)) 'get-post-html)
|
||
|
|
(string-append "<filename>"
|
||
|
|
filename
|
||
|
|
"</filename>")))))
|
||
|
|
|
||
|
|
(with-output-to-file filename displayproc)
|
||
|
|
))
|
||
|
|
|
||
|
|
(define (dispatch msg)
|
||
|
|
(lambda (msg)
|
||
|
|
(cond ((eq? msg 'add-file)add-file)
|
||
|
|
((eq? msg 'attach-to-file!)attach-to-file!)
|
||
|
|
(else (aspecterror) (display "make-scganadu")))))
|
||
|
|
|
||
|
|
|
||
|
|
(define :scganadu-record
|
||
|
|
(make-record-type 'scganadu-record
|
||
|
|
'(FILE-MAKER make-scganadu)))
|
||
|
|
(define make-scganadu-record
|
||
|
|
(record-constructor :scganadu-record
|
||
|
|
'(FILE-MAKER make-scganadu)))
|
||
|
|
(define FILE-MAKER-unit (record-accessor :scganadu-record 'FILE-MAKER))
|
||
|
|
(define make-scganadu-unit (record-accessor :scganadu-record 'make-scganadu))
|
||
|
|
(define make-scganadu-record
|
||
|
|
(delay (make-copy-of-document))
|
||
|
|
(delay (make-cell dispatch)))
|
||
|
|
(set! record make-scganadu-record)
|
||
|
|
dispatch))
|
||
|
|
|
||
|
|
|
||
|
|
;; interface
|
||
|
|
|
||
|
|
(define scganadu (make-scganadu))
|
||
|
|
;; FIXME (define X (make-scganadu1))
|
||
|
|
(define (scganadu-add-file X filename) ((X 'add-file) filename))
|
||
|
|
(define (scganadu-attach-to-file! X filename) ((X 'attach-to-file! filename)))
|