sunterlib/s48/cavespider/search-util.scm

83 lines
3.5 KiB
Scheme

;;;
;;; Copyright (c) 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.
(define (file-contents->keyword file-contents-str keyword)
;;(display file-contents-str)
(let ((s "")
(ret '()))
(do ((i 0 (+ i 1)))
((>= i (string-length file-contents-str))
ret)
(cond ((not (eq? #\h (string-ref file-contents-str i)))
(set! s ""))
((eq? #\h (string-ref file-contents-str i))
(let ((s2 ""))
(do ((j i (+ j 1)))
((cond ((string=? s2 keyword)
(let ((s3 ""))
(do ((k j (+ k 1)))
((cond ((eq? (string-ref file-contents-str k)
#\");;FIXME
(set! j k)(set! i k)(set! s2 ""))
((eq? (string-ref file-contents-str k)
#\/)
(set! ret (append ret (list s3)))
(set! j k)
(set! i k))
((>= k (string-length file-contents-str));;FIXME prev
(set! s2 "")(set! i k)(set! j k))
))
(set! s3 (string-append
s3
(string (string-ref file-contents-str k))))
)
))
((not (string<=? s2 keyword))
(set! s "")
(set! i j))
))
(set! s2 (string-append
s2
(string (string-ref file-contents-str j))))
(display "s2=")(display s)
(set! i j)))))
(set! s (string-append s (string (string-ref file-contents-str i))))
;;(display "s=")(display (string-ref file-contents-str i))
)
ret))