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;;; acdw-autoinsert.el --- autoinsert.el -*- lexical-binding: t; -*-
;; Copyright (C) 2021 Case Duckworth
;; Author: Case Duckworth <acdw@acdw.ne
;;; License:
;; Everyone is permitted to do whatever with this software, without
;; limitation. This software comes without any warranty whatsoever,
;; but with two pieces of advice:
;; - Be kind to yourself.
;; - Make good choices.
;;; Commentary:
;; These are my bespoke changes to the `autoinsert' library.
;;; Code:
(require 'autoinsert)
(require 'cl-lib)
(defun acdw/define-auto-insert (options condition action)
"Associate CONDITION with ACTION in `auto-insert-alist'.
This function differs from `define-auto-insert' in that it won't
allow more than one duplicate entry in `auto-insert-alist'.
OPTIONS is a plist with three optional arguments:
- `:testfn' takes a function to test the given CONDITION against
the already-existing ones in `auto-insert-alist'. It defaults
to testing the cdr of CONDITION against the cdar of each entry
in `auto-insert-alist'.
- `:replace', if non-nil, will replace the matching entry with
the given one. Default: nil.
- `:after' is the third, optional argument to `define-auto-insert'."
(declare (indent 1))
(let ((testfn (or (plist-get options :testfn)
(lambda (a b)
(string= (cdr-safe a) (cdar b)))))
(replace (or (plist-get options :replace) nil))
(after (or (plist-get options :after) nil)))
(if replace
(progn (setq auto-insert-alist
(assoc-delete-all (list condition)
auto-insert-alist
testfn))
(define-auto-insert condition action after))
(unless (assoc (list condition) auto-insert-alist testfn)
(define-auto-insert condition action after)))))
(provide 'acdw-autoinsert)
;;; acdw-autoinsert.el ends here
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