source: trunk/abcl/src/org/armedbear/lisp/directory.lisp @ 13252

Last change on this file since 13252 was 13252, checked in by vvoutilainen, 10 years ago

Revert the fix attempt for files with names like File::Foo::Bar.
It breaks normal directory listings.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 6.3 KB
Line 
1;;; directory.lisp
2;;;
3;;; Copyright (C) 2004-2007 Peter Graves
4;;; Copyright (C) 2008 Ville Voutilainen
5;;; $Id: directory.lisp 13252 2011-03-16 18:36:39Z vvoutilainen $
6;;;
7;;; This program is free software; you can redistribute it and/or
8;;; modify it under the terms of the GNU General Public License
9;;; as published by the Free Software Foundation; either version 2
10;;; of the License, or (at your option) any later version.
11;;;
12;;; This program is distributed in the hope that it will be useful,
13;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
14;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15;;; GNU General Public License for more details.
16;;;
17;;; You should have received a copy of the GNU General Public License
18;;; along with this program; if not, write to the Free Software
19;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
20;;;
21;;; As a special exception, the copyright holders of this library give you
22;;; permission to link this library with independent modules to produce an
23;;; executable, regardless of the license terms of these independent
24;;; modules, and to copy and distribute the resulting executable under
25;;; terms of your choice, provided that you also meet, for each linked
26;;; independent module, the terms and conditions of the license of that
27;;; module.  An independent module is a module which is not derived from
28;;; or based on this library.  If you modify this library, you may extend
29;;; this exception to your version of the library, but you are not
30;;; obligated to do so.  If you do not wish to do so, delete this
31;;; exception statement from your version.
32
33(in-package "SYSTEM")
34
35(defun pathname-as-file (pathname)
36  (let ((directory (pathname-directory pathname)))
37    (make-pathname :host nil
38                   :device (pathname-device pathname)
39                   :directory (butlast directory)
40                   :name (car (last directory))
41                   :type nil
42                   :version nil)))
43
44(defun wild-inferiors-p (component)
45  (eq component :wild-inferiors))
46
47(defun list-directories-with-wildcards (pathname 
48                                        wild-inferiors-found
49                                        resolve-symlinks)
50  (let* ((directory (pathname-directory pathname))
51         (first-wild-inferior (and (not wild-inferiors-found) 
52                                   (position-if #'wild-inferiors-p directory)))
53         (first-wild (position-if #'wild-p directory))
54         (wild (when (or first-wild-inferior first-wild)
55                 (nthcdr (or first-wild-inferior first-wild) directory)))
56         (non-wild (if (or first-wild-inferior first-wild)
57                       (nbutlast directory
58                                 (- (length directory) 
59                                    (or first-wild-inferior first-wild)))
60                     directory))
61         (newpath (make-pathname :directory non-wild
62                                 :name nil :type nil :defaults pathname))
63         (entries (list-directory newpath resolve-symlinks)))
64    (if (not (or wild wild-inferiors-found))
65        entries
66        (let ((inferior-entries (when (or wild-inferiors-found first-wild-inferior) entries)))
67          (nconc 
68           (mapcan (lambda (entry) 
69                     (when (pathname-match-p (pathname entry) pathname)
70                       (list entry)))
71                   inferior-entries)
72           (mapcan (lambda (entry)
73                     (let* ((pathname (pathname entry))
74                            (directory (pathname-directory pathname))
75                            (rest-wild (cdr wild)))
76                       (unless (pathname-name pathname)
77                         (when (pathname-match-p (first (last directory))
78                                    (cond ((eql (car wild) :wild)
79                                           "*")
80                                          ((eql (car wild) :wild-inferiors)
81                                           "*")
82                                          (wild 
83                                           (car wild))
84                                          (t "")))
85                           (when (and 
86                                  (not (or first-wild-inferior 
87                                           wild-inferiors-found)) 
88                                  rest-wild)
89                             (setf directory (nconc directory rest-wild)))
90                           (let ((recurse (make-pathname :directory directory
91                                                  :defaults newpath)))
92                             (when (not (equal recurse newpath))
93                               (list-directories-with-wildcards
94                                recurse
95                                (or first-wild-inferior wild-inferiors-found)
96                                resolve-symlinks)))))))
97                   entries))))))
98
99
100(defun directory (pathspec &key (resolve-symlinks t))
101  (let ((pathname (merge-pathnames pathspec)))
102    (when (logical-pathname-p pathname)
103      (setq pathname (translate-logical-pathname pathname)))
104    (if (or (position #\* (namestring pathname))
105            (wild-pathname-p pathname))
106        (if (pathname-jar-p pathname)
107            (match-wild-jar-pathname pathname)
108            (let ((namestring (directory-namestring pathname)))
109              (when (and namestring (> (length namestring) 0))
110                (when (featurep :windows)
111                  (let ((device (pathname-device pathname)))
112                    (when device
113                      (setq namestring (concatenate 'string device ":" namestring)))))
114                (let ((entries (list-directories-with-wildcards 
115                                namestring nil resolve-symlinks))
116                      (matching-entries ()))
117                  (dolist (entry entries)
118                    (cond ((file-directory-p entry)
119                           (when (pathname-match-p (file-namestring (pathname-as-file entry)) (file-namestring pathname))
120                             (push entry matching-entries)))
121                          ((pathname-match-p (or (file-namestring entry) "") (file-namestring pathname))
122                           (push entry matching-entries))))
123                  matching-entries))))
124        ;; Not wild.
125        (let ((truename (probe-file pathname)))
126          (if truename
127              (list (pathname truename))
128              nil)))))
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