sunterlib/scsh/schemedoc/schemedoc.scm

131 lines
4.5 KiB
Scheme

;;; schemedoc.scm - a scheme perldoc utility
;;;
;;; 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.
(define (eoln)(string #\newline))
(define sod-regexp1 (rx (| "=item")))
(define (sod regexp filename)
(let ((in (open-input-file filename)))
(let ((contents ""))
(do ((s (read-char in)(read-char in)))
((eof-object? s) contents))
(string-match regexp contents))))
(define (schemedoc-print-doc filename)
(let ((l (list (sod (if (regexp? sod-regexp1)
sod-regexp1
(rx ("")))
filename))))
(for-each display l)))
(define (schemedoc-print-doc-to-file filename outfilename)
(let ((out (open-output-file outfilename)))
(let ((l (list (sod (if (regexp? sod-regexp1)
sod-regexp1
(rx ("")))
filename))))
(define (display-rec ll)
(do ((e ll (cdr e)))
((null? e)0)
(display (car e) out)))
(display-rec l))))
;;
;; parser :
;;
;; make a list of chars from filename contents
;;
(define (schemedoc-parser-doc filename)
(define (parse in)
(let ((c (read-char in)))
(if (eof-object? c)
c
(append (list c) (parse in)))))
(define (read-rec in)
(call-with-values
(lambda ()
(parse in)
)
(lambda (l)
;;(write l)
l)))
(let ((in (open-input-file filename))) ;; FIXME with-
(read-rec in)))
(define (schemedoc-parser-grep filename)
(let ((le (schemedoc-parser-doc filename))
(line "")
(headline "")
(itemlines '())
(itemtext "")
(itemtexts '())
)
(do ((l le (cdr l)))
((eof-object? l)0)
(cond ((and (eq? (car l) #\newline)(string<=? "=item" line))
(set! itemlines (append itemlines (list line)))
(set! line "")
(set! itemtexts (append itemtexts (list itemtext)))
(set! itemtext ""))
((and (eq? (car l) #\newline)(string<=? "=head" line))
(set! headline line)
(set! line ""))
;;((eq? (car l) #\newline)
)
(set! line (string-append line (string (car l))))
(set! itemtext (string-append itemtext (string (car l))))
)
itemtexts
))
(define (schemedoc-get-env-list SCHEMEDOCDIR)
(let ((directory "")
(directories '()))
(do ((i 0 (+ i 1)))
((>= i (string-length SCHEMEDOCDIR))
(set! directories (append directories (list directory))))
(if (eq? (string-ref SCHEMEDOCDIR i) #\:)
(begin
(set! directories (append directories (list directory)))
(set! directory "")))
(set! directory (string-append directory (string (string-ref SCHEMEDOCDIR i)))))
directories))
(define (schemedoc-parser-get-items keyword itemtexts)
(let ((returntext ""))
(do ((l itemtexts (cdr l)))
((null? l)0)
(cond ((string<=? keyword (car l))
(set! returntext (string-append returntext (car l))))))
returntext))