Hash :
160d346b
Author :
Thomas de Grivel
Date :
2017-06-21T11:12:40
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;;
;; RoL-assets - Asset pipeline
;;
;; Copyright 2012-2015 Thomas de Grivel <thomas@lowh.net>
;;
;; Permission to use, copy, modify, and 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.
;;
(in-package :RoL-assets)
;; Extensions package
(defun intern-extension (name)
(let ((sym (intern (string-upcase (if (char= #\. (char name 0))
name
(concatenate 'string "." name)))
:RoL-extensions)))
(export sym :RoL-extensions)
sym))
(defun extension-p (thing)
(and (symbolp thing)
(eq #.(find-package :RoL-extensions)
(symbol-package thing))))
(deftype extension ()
`(and symbol (satisfies extension-p)))