hackerbase/src/mailman-common.scm

58 lines
1.5 KiB
Scheme

;;
;; mailman-common.scm
;;
;; Mailman management interface - Common Functions
;;
;; ISC License
;;
;; Copyright 2023 Brmlab, z.s.
;; Dominik Pantůček <dominik.pantucek@trustica.cz>
;;
;; Permission to use, copy, modify, and/or distribute this software
;; for any purpose with or without fee is hereby granted, provided
;; that the above copyright notice and this permission notice appear
;; in all copies.
;;
;; THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
;; WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
;; WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
;; AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
;; CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
;; OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
;; NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
;; CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
;;
(declare (unit mailman-common))
(module
mailman-common
(
make-mailman-list
mailman-list-name
mailman-list-members
email-in-mailman-list?
)
(import scheme
util-bst-lset)
;; Creates a representation of basic mailman list information
(define (make-mailman-list name members)
(cons name
members))
;; Simple accessors
(define mailman-list-name car)
(define mailman-list-members cdr)
;; Returns #t if the email is in given ml
(define (email-in-mailman-list? ml email)
(if (lset-member? (list->lset (mailman-list-members ml) string-ci=?)
email)
#t
#f))
)