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comparison lisp/efs/efs-l19.11.el @ 98:0d2f883870bc r20-1b1

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Import from CVS: tag r20-1b1
author cvs
date Mon, 13 Aug 2007 09:13:56 +0200
parents 8fc7fe29b841
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97:498bf5da1c90 98:0d2f883870bc
1 ;; -*-Emacs-Lisp-*-
2 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
3 ;;
4 ;; File: efs-l19.11.el
5 ;; Release: $efs release: 1.15 $
6 ;; Version: $Revision: 1.1 $
7 ;; RCS:
8 ;; Description: efs support for XEemacs, versions 19.11, and later.
9 ;; Author: Sandy Rutherford <sandy@ibm550.sissa.it>
10 ;; Created: Tue Aug 2 17:40:32 1994 by sandy on ibm550
11 ;; Modified: Sun Nov 27 18:34:33 1994 by sandy on gandalf
12 ;;
13 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
14
15 (provide 'efs-l19\.11)
16 (require 'efs-cu)
17 (require 'default-dir)
18 (require 'efs-ovwrt)
19
20 (defconst efs-l19\.11-version
21 (concat (substring "$efs release: 1.15 $" 14 -2)
22 "/"
23 (substring "$Revision: 1.1 $" 11 -2)))
24
25 ;;; Functions requiring special defs. for these lemacs versions.
26
27 (defun efs-abbreviate-file-name (filename &optional hack-homedir)
28 ;; lucid emacs version of abbreviate-file-name for remote files.
29 (let (file-name-handler-alist)
30 (if (and hack-homedir (efs-ftp-path filename))
31 ;; Do replacements from directory-abbrev-alist
32 (apply 'efs-unexpand-parsed-filename
33 (efs-ftp-path (abbreviate-file-name filename nil)))
34 (abbreviate-file-name filename hack-homedir))))
35
36 (defun efs-relativize-filename (file &optional dir new)
37 "Abbreviate the given filename relative to DIR .
38 If DIR is nil, use the value of `default-directory'. If the
39 optional parameter NEW is given and the non-directory parts match, only return
40 the directory part of the file."
41 (let* ((dir (or dir default-directory))
42 (dlen (length dir))
43 (result file))
44 (and (> (length file) dlen)
45 (string-equal (substring file 0 dlen) dir)
46 (setq result (substring file dlen)))
47 (and new
48 (string-equal (file-name-nondirectory result)
49 (file-name-nondirectory new))
50 (or (setq result (file-name-directory result))
51 (setq result "./")))
52 (abbreviate-file-name result t)))
53
54 (defun efs-set-buffer-file-name (filename)
55 ;; Sets the buffer local variables for filename appropriately.
56 ;; A special function because Lucid and FSF do this differently.
57 (setq buffer-file-name filename)
58 (if (and efs-compute-remote-buffer-file-truename
59 (memq (efs-host-type (car (efs-ftp-path filename)))
60 efs-unix-host-types))
61 (compute-buffer-file-truename)
62 (setq buffer-file-truename filename)))
63
64 ;; Do we need to do anything about compute-buffer-file-truename, or
65 ;; will the handler for file-truename handle this automatically? I suppose
66 ;; that efs-compute-remote-buffer-file-truename should really apply to
67 ;; compute-buffer-file-truename, and not file-truename, but then we would
68 ;; have to do deal with the fact that this function doesn't exist in GNU Emacs.
69
70 ;; Only Lucid Emacs has this function. Why do we need both this and
71 ;; set-visited-file-modtime?
72
73 (defun efs-set-buffer-modtime (buffer &optional time)
74 ;; For buffers visiting remote files, set the buffer modtime.
75 (or time
76 (progn
77 (setq time
78 (let* ((file (save-excursion
79 (set-buffer buffer) buffer-file-name))
80 (parsed (efs-ftp-path file)))
81 (efs-get-file-mdtm (car parsed) (nth 1 parsed)
82 (nth 2 parsed) file)))
83 (if time
84 (setq time (cons (car time) (nth 1 time)))
85 (setq time '(0 . 0)))))
86 (let (file-name-handler-alist)
87 (set-buffer-modtime buffer time)))
88
89 ;;; Need to add access to the file-name-handler-alist to these functions.
90
91 (defun efs-l19\.11-set-buffer-modtime (buffer &optional time)
92 "Documented as original"
93 (let ((handler (save-excursion
94 (set-buffer buffer)
95 (and buffer-file-name
96 (find-file-name-handler buffer-file-name
97 'set-buffer-modtime)))))
98 (if handler
99 (funcall handler 'set-buffer-modtime buffer time)
100 (let (file-name-handler-alist)
101 (efs-real-set-buffer-modtime buffer time)))))
102
103 (efs-overwrite-fn "efs" 'set-buffer-modtime 'efs-l19\.11-set-buffer-modtime)
104
105 (defun efs-l19\.11-backup-buffer ()
106 "Documented as original"
107 (if buffer-file-name
108 (let ((handler (find-file-name-handler buffer-file-name 'backup-buffer)))
109 (if handler
110 (funcall handler 'backup-buffer)
111 (let (file-name-handler-alist)
112 (efs-real-backup-buffer))))))
113
114 (efs-overwrite-fn "efs" 'backup-buffer 'efs-l19\.11-backup-buffer)
115
116 (defun efs-l19\.11-create-file-buffer (file)
117 "Documented as original"
118 (let ((handler (find-file-name-handler file 'create-file-buffer)))
119 (if handler
120 (funcall handler 'create-file-buffer file)
121 (let (file-name-handler-alist)
122 (efs-real-create-file-buffer file)))))
123
124 (efs-overwrite-fn "efs" 'create-file-buffer 'efs-l19\.11-create-file-buffer)
125
126 (defun efs-l19\.11-abbreviate-file-name (filename &optional hack-homedir)
127 "Documented as original"
128 (let ((handler (find-file-name-handler filename 'abbreviate-file-name)))
129 (if handler
130 (funcall handler 'abbreviate-file-name filename hack-homedir)
131 (let (file-name-handler-alist)
132 (efs-real-abbreviate-file-name filename hack-homedir)))))
133
134 (efs-overwrite-fn "efs" 'abbreviate-file-name
135 'efs-l19\.11-abbreviate-file-name)
136
137 (defun efs-l19\.11-recover-file (file)
138 "Documented as original"
139 (interactive
140 (let ((prompt-file buffer-file-name)
141 (file-name nil)
142 (file-dir nil))
143 (and prompt-file
144 (setq file-name (file-name-nondirectory prompt-file)
145 file-dir (file-name-directory prompt-file)))
146 (list (read-file-name "Recover file: "
147 file-dir nil nil file-name))))
148 (let* ((file (expand-file-name file))
149 (handler (or (find-file-name-handler file 'recover-file)
150 (find-file-name-handler
151 (let ((buffer-file-name file))
152 (make-auto-save-file-name))
153 'recover-file))))
154 (if handler
155 (funcall handler 'recover-file file)
156 (efs-real-recover-file file))))
157
158 (efs-overwrite-fn "efs" 'recover-file 'efs-l19\.11-recover-file)
159
160 (defun efs-l19\.11-substitute-in-file-name (filename)
161 "Documented as original."
162 (let ((handler (find-file-name-handler filename 'substitute-in-file-name)))
163 (if handler
164 (funcall handler 'substitute-in-file-name filename)
165 (let (file-name-handler-alist)
166 (efs-real-substitute-in-file-name filename)))))
167
168 (efs-overwrite-fn "efs" 'substitute-in-file-name
169 'efs-l19\.11-substitute-in-file-name)
170
171 ;;; For the file-name-handler-alist
172
173 (put 'set-buffer-modtime 'efs 'efs-set-buffer-modtime)
174
175 ;;; end of efs-l19.11.el