;;
;; LowH Triangle Assets - Asset pipeline
;;
;; Copyright 2012 Thomas de Grivel <billitch@gmail.com>
;;
;; 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 :lowh.triangle.assets)
;; Pipelines
(defgeneric compile-asset (asset output))
(defmethod compile-asset ((asset asset) (output pathname))
(ensure-directories-exist output)
(let ((path (asset-source-path asset)))
(msg "~A" path)
(copy-files path output :replace t :update t)
nil))
(defmethod compile-asset ((asset preprocessed-asset) (output pathname))
(ensure-directories-exist output)
(let ((assets (preprocess-asset asset)))
(when (or (not (file-exists-p output))
(some (lambda (asset)
(file-more-recent-p (asset-source-path asset)
output))
assets))
(with-output-to-file/utf-8 (out output)
(dolist (a assets)
(process-asset a out (not (eq asset a))))))))
;; Precompile
(defun locate-precompiled-assets ()
(find-assets-from-specs *precompiled-assets*))
(defun precompile ()
(msg "Precompile")
(with-msg-indent (1)
(dolist (asset (locate-precompiled-assets))
(let ((output-path (asset-path asset)))
(msg "~A" output-path)
(with-msg-indent (1)
(compile-asset asset (pathname output-path)))))))
