-;;; vms-patch.el --- override parts of files.el for VMS.
+;;; vms-patch.el --- override parts of files.el for VMS
-;; Copyright (C) 1986, 1992 Free Software Foundation, Inc.
+;; Copyright (C) 1986, 1992, 2002, 2003, 2004,
+;; 2005, 2006 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: vms
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to
-;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
+
+;;; Commentary:
;;; Code:
+(setq auto-mode-alist (cons '(("\\.com\\'" . dcl-mode)) auto-mode-alist))
+
;;; Functions that need redefinition
;;; VMS file names are upper case, but buffer names are more
(defun make-auto-save-file-name ()
"Return file name to use for auto-saves of current buffer.
-Does not consider auto-save-visited-file-name; that is checked
-before calling this function.
-This is a separate function so your .emacs file or site-init.el can redefine it.
-See also auto-save-file-name-p."
+This function does not consider `auto-save-visited-file-name';
+the caller should check that before calling this function.
+This is a separate function so that your `.emacs' file or the site's
+`site-init.el' can redefine it.
+See also `auto-save-file-name-p'."
(if buffer-file-name
(concat (file-name-directory buffer-file-name)
"_$"
(expand-file-name (concat "_$_" (make-legal-file-name (buffer-name)) "$"))))
(defun auto-save-file-name-p (filename)
- "Return t if FILENAME can be yielded by make-auto-save-file-name.
+ "Return t if FILENAME can be yielded by `make-auto-save-file-name'.
FILENAME should lack slashes.
-This is a separate function so your .emacs file or site-init.el can redefine it."
+This is a separate function so that your `.emacs' file or the site's
+`site-init.el' can redefine it."
(string-match "^_\\$.*\\$" filename))
;;;
(if (not args)
(if file
(progn (find-file file)
- (if line (goto-line (string-to-int line)))))
+ (if line (goto-line (string-to-number line)))))
(cd (file-name-directory file))
(vms-command-line-again))))
(< 32 (setq this-char (aref args end)))
(> 127 this-char))
(setq end (1+ end)))
- (setq command-line-args (append
+ (setq command-line-args (append
command-line-args
(list (substring args beg end))))
(setq beg (1+ end)))
"/SIZE/DATE/OWNER/WIDTH=(FILENAME=32,SIZE=5)")
(setq print-region-function
- '(lambda (start end command ign1 ign2 ign3 &rest switches)
+ (lambda (start end command ign1 ign2 ign3 &rest switches)
(write-region start end "sys$login:delete-me.txt")
(send-command-to-subprocess
1
All other Emacs commands are still available."
t)
+;;;
+;;; Filename handling in the minibuffer
+;;;
+(defun vms-magic-right-square-brace ()
+ "\
+Insert a right square brace, but do other things first depending on context.
+During filename completion, when point is at the end of the line and the
+character before is not a right square brace, do one of three things before
+inserting the brace:
+ - If there are already two left square braces preceding, do nothing special.
+ - If there is a previous right-square-brace, convert it to dot.
+ - If the character before is dot, delete it.
+Additionally, if the preceding chars are right-square-brace followed by
+either \"-\" or \"..\", strip one level of directory hierarchy."
+ (interactive)
+ (when (and minibuffer-completing-file-name
+ (= (point) (point-max))
+ (not (= 93 (char-before))))
+ (cond
+ ;; Avoid clobbering: user:[one.path][another.path
+ ((search-backward "[" (field-beginning) t 2))
+ ((search-backward "]" (field-beginning) t)
+ (delete-char 1)
+ (insert ".")
+ (goto-char (point-max)))
+ ((= ?. (char-before))
+ (delete-char -1)))
+ (goto-char (point-max))
+ (let ((specs '(".." "-"))
+ (pmax (point-max)))
+ (while specs
+ (let* ((up (car specs))
+ (len (length up))
+ (cut (- (point) len)))
+ (when (and (< (1+ len) pmax)
+ (= ?. (char-before cut))
+ (string= up (buffer-substring cut (point))))
+ (delete-char (- (1+ len)))
+ (while (not (let ((c (char-before)))
+ (or (= ?. c) (= 91 c))))
+ (delete-char -1))
+ (when (= ?. (char-before)) (delete-char -1))
+ (setq specs nil)))
+ (setq specs (cdr specs)))))
+ (insert "]"))
+
+(defun vms-magic-colon ()
+ "\
+Insert a colon, but do other things first depending on context.
+During filename completion, when point is at the end of the line
+and the line contains a right square brace, remove all characters
+from the beginning of the line up to and including such brace.
+This enables one to type a new filespec without having to delete
+the old one."
+ (interactive)
+ (when (and minibuffer-completing-file-name
+ (= (point) (point-max))
+ (search-backward "]" (field-beginning) t))
+ (delete-region (field-beginning) (1+ (point)))
+ (goto-char (point-max)))
+ (insert ":"))
+
+(let ((m minibuffer-local-completion-map))
+ (define-key m "]" 'vms-magic-right-square-brace)
+ (define-key m "/" 'vms-magic-right-square-brace)
+ (define-key m ":" 'vms-magic-colon))
+
+;;; arch-tag: c178494e-2c37-4d02-99b7-e47e615656cf
;;; vms-patch.el ends here