Hopefully harmless refactoring.

1 files changed, 49 insertions, 0 deletions

diff --git a/scheme/plt/geiser/utils.ss b/scheme/plt/geiser/utils.ss
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+;; 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