[Emacs-diffs] Changes to vms-patch.el

[Dan Nicolaescu]

CVSROOT:        /cvsroot/emacs
Module name:    emacs
Changes by:     Dan Nicolaescu <dann>   08/07/05 18:27:18

Index: vms-patch.el
===================================================================
RCS file: vms-patch.el
diff -N vms-patch.el
--- vms-patch.el        6 May 2008 07:57:58 -0000       1.30
+++ /dev/null   1 Jan 1970 00:00:00 -0000
@@ -1,268 +0,0 @@
-;; -*- no-byte-compile: t -*-
-;;; vms-patch.el --- override parts of files.el for VMS
-
-;; Copyright (C) 1986, 1992, 2001, 2002, 2003, 2004,
-;;   2005, 2006, 2007, 2008 Free Software Foundation, Inc.
-
-;; Maintainer: FSF
-;; Keywords: vms
-
-;; This file is part of GNU Emacs.
-
-;; GNU Emacs is free software: you can redistribute it and/or modify
-;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation, either version 3 of the License, or
-;; (at your option) any later version.
-
-;; GNU Emacs is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-;; GNU General Public License for more details.
-
-;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
-
-;;; Commentary:
-
-;;; Code:
-
-(defvar print-region-function)
-
-(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
-;;; convenient in lower case.
-
-(defun create-file-buffer (filename)
-  "Create a suitably named buffer for visiting FILENAME, and return it.
-FILENAME (sans directory) is used unchanged if that name is free;
-otherwise a string <2> or <3> or ... is appended to get an unused name."
-  (generate-new-buffer (downcase (file-name-nondirectory filename))))
-
-;;; Given a string FN, return a similar name which is a valid VMS filename.
-;;; This is used to avoid invalid auto save file names.
-(defun make-valid-file-name (fn)
-  (setq fn (copy-sequence fn))
-  (let ((dot nil) (indx 0) (len (length fn)) chr)
-    (while (< indx len)
-      (setq chr (aref fn indx))
-      (cond
-       ((eq chr ?.) (if dot (aset fn indx ?_) (setq dot t)))
-       ((not (or (and (>= chr ?a) (<= chr ?z)) (and (>= chr ?A) (<= chr ?Z))
-                (and (>= chr ?0) (<= chr ?9))
-                (eq chr ?$) (eq chr ?_) (and (eq chr ?-) (> indx 0))))
-       (aset fn indx ?_)))
-      (setq indx (1+ indx))))
-  fn)
-
-(define-obsolete-function-alias 'make-legal-file-name 'make-valid-file-name 
"23.1")
-
-;;; Auto save filesnames start with _$ and end with $.
-
-(defun make-auto-save-file-name ()
-  "Return file name to use for auto-saves of current buffer.
-This function does not consider `auto-save-visited-file-name';
-the caller should check that before calling this function.
-This is a separate function so that your `.emacs' file or the site's
-`site-init.el' can redefine it.
-See also `auto-save-file-name-p'."
-  (if buffer-file-name
-      (concat (file-name-directory buffer-file-name)
-             "_$"
-             (file-name-nondirectory buffer-file-name)
-             "$")
-    (expand-file-name (concat "_$_" (make-valid-file-name (buffer-name)) 
"$"))))
-
-(defun auto-save-file-name-p (filename)
-  "Return t if FILENAME can be yielded by `make-auto-save-file-name'.
-FILENAME should lack slashes.
-This is a separate function so that your `.emacs' file or the site's
-`site-init.el' can redefine it."
-  (string-match "^_\\$.*\\$" filename))
-
-;;;
-;;; This goes along with kepteditor.com which defines these logicals
-;;; If EMACS_COMMAND_ARGS is defined, it supersedes EMACS_FILE_NAME,
-;;;   which is probably set up incorrectly anyway.
-;;; The function command-line-again is a kludge, but it does the job.
-;;;
-(defun vms-suspend-resume-hook ()
-  "When resuming suspended Emacs, check for file to be found.
-If the logical name `EMACS_FILE_NAME' is defined, `find-file' that file."
-  (let ((file (vms-system-info "LOGICAL" "EMACS_FILE_NAME"))
-       (args (vms-system-info "LOGICAL" "EMACS_COMMAND_ARGS"))
-       (line (vms-system-info "LOGICAL" "EMACS_FILE_LINE")))
-    (if (not args)
-       (if file
-           (progn (find-file file)
-                  (if line (goto-line (string-to-number line)))))
-      (cd (file-name-directory file))
-      (vms-command-line-again))))
-
-(setq suspend-resume-hook 'vms-suspend-resume-hook)
-
-(defun vms-suspend-hook ()
-  "Don't allow suspending if logical name `DONT_SUSPEND_EMACS' is defined."
-  (if (vms-system-info "LOGICAL" "DONT_SUSPEND_EMACS")
-      (error "Can't suspend this emacs"))
-  nil)
-
-(setq suspend-hook 'vms-suspend-hook)
-
-;;;
-;;; A kludge that allows reprocessing of the command line.  This is mostly
-;;;   to allow a spawned VMS mail process to do something reasonable when
-;;;   used in conjunction with the modifications to sysdep.c that allow
-;;;   Emacs to attach to a "foster" parent.
-;;;
-(defun vms-command-line-again ()
-  "Reprocess command line arguments.  VMS specific.
-Command line arguments are initialized from the logical EMACS_COMMAND_ARGS
-which is defined by kepteditor.com.  On VMS this allows attaching to a
-spawned Emacs and doing things like \"emacs -l myfile.el -f doit\""
-  (let* ((args (downcase (vms-system-info "LOGICAL" "EMACS_COMMAND_ARGS")))
-        (command-line-args (list "emacs"))
-        (beg 0)
-        (end 0)
-        (len (length args))
-        this-char)
-    (if args
-       (progn
-;;; replace non-printable stuff with spaces
-         (while (< beg (length args))
-           (if (or (> 33 (setq this-char (aref args beg)))
-                   (< 127 this-char))
-               (aset args beg 32))
-           (setq beg (1+ beg)))
-         (setq beg (1- (length args)))
-         (while (= 32 (aref args beg)) (setq beg (1- beg)))
-         (setq args (substring args 0 (1+ beg)))
-         (setq beg 0)
-;;; now start parsing args
-         (while (< beg (length args))
-           (while (and (< beg (length args))
-                       (or (> 33 (setq this-char (aref args beg)))
-                           (< 127 this-char))
-                       (setq beg (1+ beg))))
-           (setq end (1+ beg))
-           (while (and (< end (length args))
-                       (< 32 (setq this-char (aref args end)))
-                       (> 127 this-char))
-             (setq end (1+ end)))
-           (setq command-line-args (append
-                                    command-line-args
-                                    (list (substring args beg end))))
-           (setq beg (1+ end)))
-         (command-line)))))
-
-(defun vms-read-directory (dirname switches buffer)
-  (save-excursion
-    (set-buffer buffer)
-    (subprocess-command-to-buffer
-     (concat "DIRECTORY " switches " " dirname)
-     buffer)
-    (goto-char (point-min))
-    ;; Remove all the trailing blanks.
-    (while (search-forward " \n")
-      (forward-char -1)
-      (delete-horizontal-space))
-    (goto-char (point-min))))
-
-(setq dired-listing-switches
-      "/SIZE/DATE/OWNER/WIDTH=(FILENAME=32,SIZE=5)")
-
-(setq print-region-function
-      (lambda (start end command ign1 ign2 ign3 &rest switches)
-        (write-region start end "sys$login:delete-me.txt")
-        (send-command-to-subprocess
-         1
-         (concat command
-                 " sys$login:delete-me.txt/name=\"GNUprintbuffer\" "
-                 (mapconcat 'identity switches " "))
-         nil nil nil)))
-
-;;;
-;;; Fuctions for using Emacs as a VMS Mail editor
-;;;
-(autoload 'vms-pmail-setup "vms-pmail"
-  "Set up file assuming use by VMS Mail utility.
-The buffer is put into text-mode, auto-save is turned off and the
-following bindings are established.
-
-\\[vms-pmail-save-and-exit]    vms-pmail-save-and-exit
-\\[vms-pmail-abort]    vms-pmail-abort
-
-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