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;;;; This file is part of GNU Dico.
;;;; Copyright (C) 2008-2016 Sergey Poznyakoff
;;;;
;;;; GNU Dico 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.
;;;;
;;;; GNU Dico 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 GNU Dico. If not, see <http://www.gnu.org/licenses/>. */
(define-module (listdict)
#:use-module (guile-user)
#:use-module (ice-9 format)
#:use-module (srfi srfi-1))
(if (= (string->number (major-version)) 1)
(use-modules (ice-9 syncase)))
(define-syntax db:get
(syntax-rules (info descr name lang corpus)
((db:get dbh name)
(list-ref dbh 0))
((db:get dbh descr)
(list-ref dbh 1))
((db:get dbh info)
(list-ref dbh 2))
((db:get dbh lang)
(list-ref dbh 3))
((db:get dbh corpus)
(list-tail dbh 4))))
(define (open-module name . rest)
(let ((args rest))
(cond
((null? args)
(format (current-error-port) "open-module: not enough arguments\n")
#f)
((not (null? (cdr args)))
(format (current-error-port) "open-module: too many arguments ~A\n" rest)
#f)
(else
(let ((db (with-input-from-file
(car args)
(lambda () (read)))))
(cond
((list? db) (cons name db))
(else
(format (current-error-port) "open-module: ~A: invalid format\n"
(car args))
#f)))))))
(define (descr dbh)
(db:get dbh descr))
(define (info dbh)
(db:get dbh info))
(define (lang dbh)
(db:get dbh lang))
(define (define-word dbh word)
(let ((res (filter-map (lambda (elt)
(and (string-ci=? word (car elt))
elt))
(db:get dbh corpus))))
(and res (cons #t res))))
(define (match-exact dbh strat word)
(filter-map (lambda (elt)
(and (string-ci=? word (car elt))
(car elt)))
(db:get dbh corpus)))
(define (match-prefix dbh strat word)
(filter-map (lambda (elt)
(and (string-prefix-ci? word (car elt))
(car elt)))
(db:get dbh corpus)))
(define (match-suffix dbh strat word)
(filter-map (lambda (elt)
(and (string-suffix-ci? word (car elt))
(car elt)))
(db:get dbh corpus)))
(define (match-selector dbh strat key)
(filter-map (lambda (elt)
(and (dico-strat-select? strat (car elt) key)
(car elt)))
(db:get dbh corpus)))
(define strategy-list
(list (cons "exact" match-exact)
(cons "prefix" match-prefix)
(cons "suffix" match-suffix)))
(define match-default match-prefix)
(define (match-word dbh strat key)
(let ((sp (assoc (dico-strat-name strat) strategy-list)))
(let ((res (cond
(sp
((cdr sp) dbh strat (dico-key->word key)))
((dico-strat-selector? strat)
(match-selector dbh strat key))
(else
(match-default dbh strat (dico-key->word key))))))
(if res
(cons #f res)
#f))))
(define (output rh n)
(if (car rh)
;; Result comes from DEFINE command
(let ((res (list-ref (cdr rh) n)))
(cond
((string=? (dico-current-markup) "html")
(format #t "<dt>~A</dt>~%<dd>~A</dd>"
(car res) (cdr res)))
(else
(display (car res))
(newline)
(display (cdr res)))))
;; Result comes from MATCH command
(display (list-ref (cdr rh) n))))
(define (result-count rh)
(length (cdr rh)))
(define (result-headers rh hdr)
(list (cons "Content-Type" "text/plain; charset=UTF-8")
(cons "Content-Transfer-Encoding" "quoted-printable")))
(define-public (listdict-init arg)
(list (cons "open" open-module)
(cons "descr" descr)
(cons "info" info)
(cons "lang" lang)
(cons "define" define-word)
(cons "match" match-word)
(cons "output" output)
(cons "result-count" result-count)
(cons "result-headers" result-headers)))
;;
(dico-register-strat "suffix" "Match word suffixes")
(dico-register-markup "html")
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