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;; This file is part of Idest
;; Copyright (C) 2011 Sergey Poznyakoff
;;
;; Idest is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;;
;; Idest is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with Idest. If not, see <http://www.gnu.org/licenses/>.
(define-module (idest format framelist))
(use-modules (ice-9 getopt-long))
(define-public description
"display a list of frames defined in each file")
(define-public idest-main #f)
(define-public (idest-init)
(let* ((cmd (command-line))
(progname (car cmd))
(delim #\newline)
(addinfo #f)
(frame-list #f) ; FIXME: Need a way to access filter_list from idest
(grammar `((full (single-char #\F))
(qualified (single-char #\Q))
(frames (single-char #\f) (value #t))
(single-line (single-char #\l))
(help (single-char #\h)))))
(catch 'misc-error
(lambda ()
(for-each
(lambda (x)
(case (car x)
((full)
(set! addinfo
(lambda (attr-list)
(for-each
(lambda (attr)
(if (not (eq? (car attr) 'text))
(format #t " ~A=\"~A\""
(car attr) (cdr attr))))
attr-list))))
((qualified)
(set! addinfo
(lambda (attr-list)
(for-each
(lambda (attr)
(if (not (or (eq? (car attr) 'text)
(eq? (car attr) 'descr)))
(format #t ":~A" (cdr attr))))
attr-list))))
((single-line)
(set! delim #\,))
((frames)
(set! frame-list (string-split (cdr x) #\,)))
((help)
(format #t "usage: idest --format=~A [OPTIONS] FILE...\n"
progname)
(format #t "displays the frame list\n")
(format #t "OPTIONS are:\n")
(format #t " -F, --full display all qualifiers\n")
(format #t " -f, --frames FLIST display only frames from FLIST\n")
(format #t " -Q, --qualified display frames in qualified form\n")
(format #t " -l, --single-line fit output on single-line\n")
(format #t " -h, --help show this help summary\n")
(exit 0))
(else
(set-program-arguments (cons progname (cdr x))))))
(getopt-long cmd grammar)))
(lambda (key . args)
(with-output-to-port
(current-error-port)
(lambda ()
(format #t "~A: " progname)
(apply format #t (list-ref args 1) (list-ref args 2))
(newline)
(exit 1)))))
(set! idest-main
(lambda (name frames)
(do ((tail frames (cdr tail)))
((null? tail))
(let ((elt (car tail)))
(cond
((or (not frame-list) (member (car elt) frame-list))
(display (car elt))
(if addinfo (addinfo (cdr elt)))
(if (null? (cdr tail))
(newline)
(display delim))))))))))
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