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Diffstat (limited to 'scheme/plt/geiser/utils.ss')
-rw-r--r-- | scheme/plt/geiser/utils.ss | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/scheme/plt/geiser/utils.ss b/scheme/plt/geiser/utils.ss new file mode 100644 index 0000000..9a774df --- /dev/null +++ b/scheme/plt/geiser/utils.ss @@ -0,0 +1,49 @@ +;; utils.ss -- generic utilities + +;; Copyright (C) 2009 Jose Antonio Ortega Ruiz + +;; Author: Jose Antonio Ortega Ruiz <jao@gnu.org> +;; Start date: Sun May 03, 2009 03:09 + +;; This file 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 file 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/>. + +;;; Comentary: + +;; Utility procedures + +;;; Code: + +#lang scheme + +(provide module-path-name->name) + +(require srfi/13) + +(define (module-path-name->name path) + (if (path? path) + (let* ((path (path->string path)) + (cpaths (map path->string (current-library-collection-paths))) + (prefix-len (lambda (p) + (let ((pl (string-length p))) + (if (= pl (string-prefix-length p path)) pl 0)))) + (lens (map prefix-len cpaths)) + (real-path (substring path (apply max lens)))) + (if (absolute-path? real-path) + (call-with-values (lambda () (split-path path)) + (lambda (_ basename __) basename)) + (regexp-replace "\\.[^./]*$" real-path ""))) + "<top>")) + + +;;; utils.ss ends here |