;;; url-handlers.el --- file-name-handler stuff for URL loading
-;; Copyright (C) 1996, 1997, 1998, 1999, 2004,
-;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+;; Copyright (C) 1996-1999, 2004-2012 Free Software Foundation, Inc.
;; Keywords: comm, data, processes, hypermedia
;; verify-visited-file-modtime
;; write-region
-(defvar url-handler-regexp
- "\\`\\(https?\\|ftp\\|file\\|nfs\\)://"
- "*A regular expression for matching URLs handled by `file-name-handler-alist'.
-Some valid URL protocols just do not make sense to visit interactively
-\(about, data, info, irc, mailto, etc\). This regular expression
-avoids conflicts with local files that look like URLs \(Gnus is
-particularly bad at this\).")
+(defvar url-handler-regexp) ; defined below to avoid recursive load (revno:108572)
;;;###autoload
(define-minor-mode url-handler-mode
- "Use URL to handle URL-like file names."
+ "Toggle using `url' library for URL filenames (URL Handler mode).
+With a prefix argument ARG, enable URL Handler mode if ARG is
+positive, and disable it otherwise. If called from Lisp, enable
+the mode if ARG is omitted or nil."
:global t :group 'url
- (if (not (boundp 'file-name-handler-alist))
- ;; Can't be turned ON anyway.
- (setq url-handler-mode nil)
- ;; Remove old entry, if any.
- (setq file-name-handler-alist
- (delq (rassq 'url-file-handler file-name-handler-alist)
- file-name-handler-alist))
- (if url-handler-mode
- (push (cons url-handler-regexp 'url-file-handler)
- file-name-handler-alist))))
+ ;; Remove old entry, if any.
+ (setq file-name-handler-alist
+ (delq (rassq 'url-file-handler file-name-handler-alist)
+ file-name-handler-alist))
+ (if url-handler-mode
+ (push (cons url-handler-regexp 'url-file-handler)
+ file-name-handler-alist)))
+
+(defcustom url-handler-regexp "\\`\\(https?\\|ftp\\|file\\|nfs\\)://"
+ "Regular expression for URLs handled by `url-handler-mode'.
+When URL Handler mode is enabled, this regular expression is
+added to `file-name-handler-alist'.
+
+Some valid URL protocols just do not make sense to visit
+interactively \(about, data, info, irc, mailto, etc\). This
+regular expression avoids conflicts with local files that look
+like URLs \(Gnus is particularly bad at this\)."
+ :group 'url
+ :type 'regexp
+ :set (lambda (symbol value)
+ (let ((enable url-handler-mode))
+ (url-handler-mode 0)
+ (set-default symbol value)
+ (if enable
+ (url-handler-mode)))))
(defun url-run-real-handler (operation args)
(let ((inhibit-file-name-handlers (cons 'url-file-handler
(hooked nil))
(if (and fn (fboundp fn))
(setq hooked t
- val (apply fn args))
+ val (save-match-data (apply fn args)))
(setq hooked nil
val (url-run-real-handler operation args)))
(url-debug 'handlers "%s %S%S => %S" (if hooked "Hooked" "Real")
;; The actual implementation
;;;###autoload
-(defun url-copy-file (url newname &optional ok-if-already-exists keep-time)
+(defun url-copy-file (url newname &optional ok-if-already-exists
+ keep-time preserve-uid-gid)
"Copy URL to NEWNAME. Both args must be strings.
Signals a `file-already-exists' error if file NEWNAME already exists,
unless a third argument OK-IF-ALREADY-EXISTS is supplied and non-nil.
This is what happens in interactive use with M-x.
Fourth arg KEEP-TIME non-nil means give the new file the same
last-modified time as the old one. (This works on only some systems.)
+Fifth arg PRESERVE-UID-GID is ignored.
A prefix arg makes KEEP-TIME non-nil."
(if (and (file-exists-p newname)
(not ok-if-already-exists))
(provide 'url-handlers)
-;; arch-tag: 7300b99c-cc83-42ff-9147-79b2723c62ac
;;; url-handlers.el ends here