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tinmop/src/modules.lisp

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Common Lisp

;; tinmop: a multiprotocol client
;; Copyright © cage
;; This program 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 of the License, or
;; (at your option) any later version.
;; This program 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 this program.
;; If not, see [[http://www.gnu.org/licenses/][http://www.gnu.org/licenses/]].
(in-package :modules)
(a:define-constant +shared-modules-dir+ "data/modules" :test #'string=)
(a:define-constant +module-sys-data-dir+ (fs:cat-parent-dir +sys-data-dir+
+shared-modules-dir+)
:test #'string=)
(defun load-sys-module (path &key (not-found-signal-error t))
(a:when-let ((file (if not-found-signal-error
(get-sys-config-file path)
(ignore-errors (get-sys-config-file path)))))
(load file :verbose nil :print nil)))
(defun load-module (path &key (not-found-signal-error t))
(flet ((%load (file)
(load file :verbose nil :print nil)))
(let ((config-file (conditions:with-default-on-error (nil)
(get-config-file path)))
(data-file (conditions:with-default-on-error (nil)
(get-data-file (fs:cat-parent-dir +shared-modules-dir+ path)))))
(cond
(config-file
(%load config-file))
(data-file
(%load data-file))
(t
(let ((error-message (format nil
(_ "Unrecoverable error: file ~a not found in any of the directory ~a ~a ~a ~a")
path
+module-sys-data-dir+
+sys-conf-dir+
(home-datadir)
(home-confdir))))
(if not-found-signal-error
(error error-message)
(values nil error-message))))))))