annotate lisp/find-paths.el @ 938:0391335b65dc

[xemacs-hg @ 2002-07-31 07:14:49 by michaels] 2002-07-17 Marcus Crestani <crestani@informatik.uni-tuebingen.de> Markus Kaltenbach <makalten@informatik.uni-tuebingen.de> Mike Sperber <mike@xemacs.org> configure flag to turn these changes on: --use-kkcc First we added a dumpable flag to lrecord_implementation. It shows, if the object is dumpable and should be processed by the dumper. * lrecord.h (struct lrecord_implementation): added dumpable flag (MAKE_LRECORD_IMPLEMENTATION): fitted the different makro definitions to the new lrecord_implementation and their calls. Then we changed mark_object, that it no longer needs a mark method for those types that have pdump descritions. * alloc.c: (mark_object): If the object has a description, the new mark algorithm is called, and the object is marked according to its description. Otherwise it uses the mark method like before. These procedures mark objects according to their descriptions. They are modeled on the corresponding pdumper procedures. (mark_with_description): (get_indirect_count): (structure_size): (mark_struct_contents): These procedures still call mark_object, this is needed while there are Lisp_Objects without descriptions left. We added pdump descriptions for many Lisp_Objects: * extents.c: extent_auxiliary_description * database.c: database_description * gui.c: gui_item_description * scrollbar.c: scrollbar_instance_description * toolbar.c: toolbar_button_description * event-stream.c: command_builder_description * mule-charset.c: charset_description * device-msw.c: devmode_description * dialog-msw.c: mswindows_dialog_id_description * eldap.c: ldap_description * postgresql.c: pgconn_description pgresult_description * tooltalk.c: tooltalk_message_description tooltalk_pattern_description * ui-gtk.c: emacs_ffi_description emacs_gtk_object_description * events.c: * events.h: * event-stream.c: * event-Xt.c: * event-gtk.c: * event-tty.c: To write a pdump description for Lisp_Event, we converted every struct in the union event to a Lisp_Object. So we created nine new Lisp_Objects: Lisp_Key_Data, Lisp_Button_Data, Lisp_Motion_Data, Lisp_Process_Data, Lisp_Timeout_Data, Lisp_Eval_Data, Lisp_Misc_User_Data, Lisp_Magic_Data, Lisp_Magic_Eval_Data. We also wrote makro selectors and mutators for the fields of the new designed Lisp_Event and added everywhere these new abstractions. We implemented XD_UNION support in (mark_with_description), so we can describe exspecially console/device specific data with XD_UNION. To describe with XD_UNION, we added a field to these objects, which holds the variant type of the object. This field is initialized in the appendant constructor. The variant is an integer, it has also to be described in an description, if XD_UNION is used. XD_UNION is used in following descriptions: * console.c: console_description (get_console_variant): returns the variant (create_console): added variant initialization * console.h (console_variant): the different console types * console-impl.h (struct console): added enum console_variant contype * device.c: device_description (Fmake_device): added variant initialization * device-impl.h (struct device): added enum console_variant devtype * objects.c: image_instance_description font_instance_description (Fmake_color_instance): added variant initialization (Fmake_font_instance): added variant initialization * objects-impl.h (struct Lisp_Color_Instance): added color_instance_type * objects-impl.h (struct Lisp_Font_Instance): added font_instance_type * process.c: process_description (make_process_internal): added variant initialization * process.h (process_variant): the different process types
author michaels
date Wed, 31 Jul 2002 07:14:49 +0000
parents 987c2a685f39
children ceedb6eeaba8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1 ;;; find-paths.el --- setup various XEmacs paths
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3 ;; Copyright (C) 1985-1986, 1990, 1992-1997 Free Software Foundation, Inc.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4 ;; Copyright (c) 1993, 1994 Sun Microsystems, Inc.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
5 ;; Copyright (C) 1995 Board of Trustees, University of Illinois
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
6
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
7 ;; Author: Mike Sperber <sperber@informatik.uni-tuebingen.de>
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
8 ;; Maintainer: XEmacs Development Team
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
9 ;; Keywords: internal, dumped
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
10
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
11 ;; This file is part of XEmacs.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
12
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
13 ;; XEmacs is free software; you can redistribute it and/or modify it
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
14 ;; under the terms of the GNU General Public License as published by
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
15 ;; the Free Software Foundation; either version 2, or (at your option)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
16 ;; any later version.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
17
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
18 ;; XEmacs is distributed in the hope that it will be useful, but
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
19 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
21 ;; General Public License for more details.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
22
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
23 ;; You should have received a copy of the GNU General Public License
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
24 ;; along with XEmacs; see the file COPYING. If not, write to the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
25 ;; Free Software Foundation, 59 Temple Place - Suite 330,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
26 ;; Boston, MA 02111-1307, USA.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
27
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
28 ;;; Synched up with: Not in FSF.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
29
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
30 ;;; Commentary:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
31
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
32 ;; This file is dumped with XEmacs.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
33
776
79940b592197 [xemacs-hg @ 2002-03-15 07:43:14 by ben]
ben
parents: 689
diff changeset
34 ;; This file contains basic library functionality for manipulating paths
79940b592197 [xemacs-hg @ 2002-03-15 07:43:14 by ben]
ben
parents: 689
diff changeset
35 ;; and path lists and finding paths in the XEmacs hierarchy.
79940b592197 [xemacs-hg @ 2002-03-15 07:43:14 by ben]
ben
parents: 689
diff changeset
36
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
37
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
38 ;;; Code:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
39
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
40 (defvar paths-version-control-filename-regexp
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
41 "^\\(RCS\\|CVS\\|SCCS\\)$"
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
42 "File bases associated with version control.")
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
43
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
44 (defvar paths-lisp-filename-regexp
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
45 "^\\(.*\\.elc?\\)$"
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
46 "File bases that contain Lisp file.")
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
47
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
48 (defvar paths-no-lisp-directory-regexp
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
49 (concat "\\(" paths-version-control-filename-regexp "\\)"
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
50 "\\|"
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
51 "\\(" paths-lisp-filename-regexp "\\)")
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
52 "File bases that may not be directories containing Lisp code.")
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
53
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
54 (defun paths-find-recursive-path (directories &optional max-depth exclude-regexp)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
55 "Return a list of the directory hierarchy underneath DIRECTORIES.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
56 The returned list is sorted by pre-order and lexicographically.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
57 MAX-DEPTH limits the depth of the search to MAX-DEPTH level,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
58 if it is a number. If MAX-DEPTH is NIL, the search depth is unlimited.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
59 EXCLUDE-REGEXP is a regexp that matches directory names to exclude
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
60 from the search."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
61 (let ((path '()))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
62 (while directories
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
63 (let ((directory (file-name-as-directory
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
64 (expand-file-name
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
65 (car directories)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
66 (if (paths-file-readable-directory-p directory)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
67 (let ((raw-entries
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
68 (if (equal 0 max-depth)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
69 '()
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
70 (directory-files directory nil "^[^.-]")))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
71 (reverse-dirs '()))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
72 (while raw-entries
531
0493e9f3c27f [xemacs-hg @ 2001-05-12 11:16:12 by ben]
ben
parents: 442
diff changeset
73 (if (not (and exclude-regexp
0493e9f3c27f [xemacs-hg @ 2001-05-12 11:16:12 by ben]
ben
parents: 442
diff changeset
74 (string-match exclude-regexp (car raw-entries))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
75 (setq reverse-dirs
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
76 (cons (expand-file-name (car raw-entries) directory)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
77 reverse-dirs)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
78 (setq raw-entries (cdr raw-entries)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
79
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
80 (let ((sub-path
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
81 (paths-find-recursive-path (reverse reverse-dirs)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
82 (if (numberp max-depth)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
83 (- max-depth 1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
84 max-depth)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
85 exclude-regexp)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
86 (setq path (nconc path
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
87 (list directory)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
88 sub-path))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
89 (setq directories (cdr directories)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
90 path))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
91
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
92 (defun paths-file-readable-directory-p (filename)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
93 "Check if filename is a readable directory."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
94 (and (file-directory-p filename)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
95 (file-readable-p filename)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
96
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
97 (defun paths-find-recursive-load-path (directories &optional max-depth)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
98 "Construct a recursive load path underneath DIRECTORIES."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
99 (paths-find-recursive-path directories
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
100 max-depth paths-no-lisp-directory-regexp))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
101
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
102 (defun paths-emacs-root-p (directory)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
103 "Check if DIRECTORY is a plausible installation root for XEmacs."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
104 (or
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
105 ;; installed
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
106 (paths-file-readable-directory-p (paths-construct-path (list directory
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
107 "lib"
689
6a0eecc6df0e [xemacs-hg @ 2001-12-06 09:35:50 by michaels]
michaels
parents: 531
diff changeset
108 (construct-emacs-version-name))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
109 ;; in-place or windows-nt
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
110 (and
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
111 (paths-file-readable-directory-p (paths-construct-path (list directory "lisp")))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
112 (paths-file-readable-directory-p (paths-construct-path (list directory "etc"))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
113
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
114 (defun paths-root-in-place-p (root)
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
115 "Check if ROOT is an in-place installation root for XEmacs."
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
116 (paths-file-readable-directory-p (paths-construct-path (list root "lisp"))))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
117
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
118 (defun paths-chase-symlink (file-name)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
119 "Chase a symlink until the bitter end."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
120 (let ((maybe-symlink (file-symlink-p file-name)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
121 (if maybe-symlink
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
122 (let* ((directory (file-name-directory file-name))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
123 (destination (expand-file-name maybe-symlink directory)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
124 (paths-chase-symlink destination))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
125 file-name)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
126
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
127 (defun paths-find-emacs-root
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
128 (invocation-directory invocation-name)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
129 "Find the run-time root of XEmacs."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
130 (let* ((executable-file-name (paths-chase-symlink
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
131 (concat invocation-directory
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
132 invocation-name)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
133 (executable-directory (file-name-directory executable-file-name))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
134 (maybe-root-1 (file-name-as-directory
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
135 (paths-construct-path '("..") executable-directory)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
136 (maybe-root-2 (file-name-as-directory
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
137 (paths-construct-path '(".." "..") executable-directory))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
138 (or (and (paths-emacs-root-p maybe-root-1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
139 maybe-root-1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
140 (and (paths-emacs-root-p maybe-root-2)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
141 maybe-root-2))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
142
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
143 (defun paths-construct-path (components &optional expand-directory)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
144 "Convert list of path components COMPONENTS into a path.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
145 If EXPAND-DIRECTORY is non-NIL, use it as a directory to feed
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
146 to EXPAND-FILE-NAME."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
147 (let* ((reverse-components (reverse components))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
148 (last-component (car reverse-components))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
149 (first-components (reverse (cdr reverse-components)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
150 (path
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
151 (apply #'concat
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
152 (append (mapcar #'file-name-as-directory first-components)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
153 (list last-component)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
154 (if expand-directory
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
155 (expand-file-name path expand-directory)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
156 path)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
157
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
158 (defun paths-construct-emacs-directory (root suffix base)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
159 "Construct a directory name within the XEmacs hierarchy."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
160 (file-name-as-directory
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
161 (expand-file-name
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
162 (concat
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
163 (file-name-as-directory root)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
164 suffix
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
165 base))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
166
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
167 (defun paths-find-emacs-directory (roots suffix base
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
168 &optional envvar default keep-suffix
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
169 in-place-external)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
170 "Find a directory in the XEmacs hierarchy.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
171 ROOTS must be a list of installation roots.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
172 SUFFIX is the subdirectory from there.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
173 BASE is the base to look for.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
174 ENVVAR is the name of the environment variable that might also
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
175 specify the directory.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
176 DEFAULT is the preferred value.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
177 If KEEP-SUFFIX is non-nil, the suffix must be respected in searching
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
178 the directory.
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
179 If IN-PLACE-EXTERNAL is non-nil, the directory might be found outside
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
180 an in-place root-hierarchy."
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
181 (let ((preferred-value (or (and envvar (getenv envvar))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
182 default)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
183 (if (and preferred-value
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
184 (paths-file-readable-directory-p preferred-value))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
185 (file-name-as-directory preferred-value)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
186 (catch 'gotcha
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
187 (while roots
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
188 (let ((root (car roots)))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
189 ;; installed
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
190 (let ((path (paths-construct-emacs-directory root suffix base)))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
191 (if (paths-file-readable-directory-p path)
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
192 (throw 'gotcha path)))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
193 ;; in-place
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
194 (if (null keep-suffix)
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
195 (let ((path (paths-construct-emacs-directory root "" base)))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
196 (if (paths-file-readable-directory-p path)
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
197 (throw 'gotcha path))))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
198 (if (and in-place-external
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
199 (paths-root-in-place-p root))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
200 (let ((path (paths-construct-emacs-directory
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
201 (paths-construct-path '("..") root)
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
202 "" base)))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
203 (if (paths-file-readable-directory-p path)
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
204 (throw 'gotcha path)))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
205 (setq roots (cdr roots)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
206 nil))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
207
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
208 (defun paths-find-site-directory (roots base &optional envvar default in-place-external)
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
209 "Find a site-specific directory in the XEmacs hierarchy.
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
210 If IN-PLACE-EXTERNAL is non-nil, the directory might be found outside
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
211 an in-place root-hierarchy."
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
212 (paths-find-emacs-directory roots
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
213 (file-name-as-directory
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
214 (paths-construct-path (list
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
215 "lib"
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
216 emacs-program-name)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
217 base
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
218 envvar default
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
219 nil
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
220 in-place-external))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
221
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
222 (defun paths-find-version-directory (roots base
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
223 &optional envvar default enforce-version)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
224 "Find a version-specific directory in the XEmacs hierarchy.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
225 If ENFORCE-VERSION is non-nil, the directory must contain the XEmacs version."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
226 (paths-find-emacs-directory roots
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
227 (file-name-as-directory
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
228 (paths-construct-path
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
229 (list "lib"
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
230 (construct-emacs-version-name))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
231 base
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
232 envvar default
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
233 enforce-version))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
234
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
235 (defun paths-find-architecture-directory (roots base &optional envvar default)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
236 "Find an architecture-specific directory in the XEmacs hierarchy."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
237 (or
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
238 ;; from more to less specific
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
239 (paths-find-version-directory roots
865
987c2a685f39 [xemacs-hg @ 2002-06-04 16:45:42 by michaels]
michaels
parents: 776
diff changeset
240 (paths-construct-path
987c2a685f39 [xemacs-hg @ 2002-06-04 16:45:42 by michaels]
michaels
parents: 776
diff changeset
241 (list system-configuration base))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
242 envvar default)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
243 (paths-find-version-directory roots
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
244 base
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
245 envvar)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
246 (paths-find-version-directory roots
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
247 system-configuration
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
248 envvar)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
249
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
250 (defun construct-emacs-version-name ()
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
251 "Construct the raw XEmacs version number."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
252 (concat emacs-program-name "-" emacs-program-version))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
253
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
254 (defun paths-directories-which-exist (directories)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
255 "Return the directories among DIRECTORIES."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
256 (let ((reverse-directories '()))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
257 (while directories
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
258 (if (paths-file-readable-directory-p (car directories))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
259 (setq reverse-directories
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
260 (cons (car directories)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
261 reverse-directories)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
262 (setq directories (cdr directories)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
263 (reverse reverse-directories)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
264
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
265 (defun paths-uniq-append (list-1 list-2)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
266 "Append LIST-1 and LIST-2, omitting duplicates."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
267 (let ((reverse-survivors '()))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
268 (while list-2
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
269 (if (null (member (car list-2) list-1))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
270 (setq reverse-survivors (cons (car list-2) reverse-survivors)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
271 (setq list-2 (cdr list-2)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
272 (append list-1
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
273 (reverse reverse-survivors))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
274
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
275 (defun paths-filter (predicate list)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
276 "Delete all matches of PREDICATE from LIST."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
277 (let ((reverse-result '()))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
278 (while list
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
279 (if (funcall predicate (car list))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
280 (setq reverse-result (cons (car list) reverse-result)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
281 (setq list (cdr list)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
282 (nreverse reverse-result)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
283
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
284 (defun paths-decode-directory-path (string &optional drop-empties)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
285 "Split STRING at path separators into a directory list.
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
286 Non-\"\" components are converted into directory form.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
287 If DROP-EMPTIES is non-NIL, \"\" components are dropped from the output.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
288 Otherwise, they are left alone."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
289 (let* ((components (split-path string))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
290 (directories
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
291 (mapcar #'(lambda (component)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
292 (if (string-equal "" component)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
293 component
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
294 (file-name-as-directory component)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
295 components)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
296 (if drop-empties
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
297 (paths-filter #'(lambda (component)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
298 (null (string-equal "" component)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
299 directories)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
300 directories)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
301
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
302 (defun paths-find-emacs-roots (invocation-directory
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
303 invocation-name)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
304 "Find all plausible installation roots for XEmacs."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
305 (let* ((potential-invocation-root
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
306 (paths-find-emacs-root invocation-directory invocation-name))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
307 (invocation-roots
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
308 (and potential-invocation-root
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
309 (list potential-invocation-root)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
310 (potential-installation-roots
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
311 (paths-uniq-append
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
312 (and configure-exec-prefix-directory
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
313 (list (file-name-as-directory
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
314 configure-exec-prefix-directory)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
315 (and configure-prefix-directory
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
316 (list (file-name-as-directory
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
317 configure-prefix-directory)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
318 (installation-roots
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
319 (paths-filter #'paths-emacs-root-p potential-installation-roots)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
320 (paths-uniq-append invocation-roots
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
321 installation-roots)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
322
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
323 ;;; find-paths.el ends here