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;;; pcmpl-unix.el --- standard UNIX completions
;; Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004,
;; 2005, 2006, 2007 Free Software Foundation, Inc.
;; 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, 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; 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:
(provide 'pcmpl-unix)
(require 'pcomplete)
;; User Variables:
(defcustom pcmpl-unix-group-file "/etc/group"
"*If non-nil, a string naming the group file on your system."
:type 'file
:group 'pcmpl-unix)
(defcustom pcmpl-unix-passwd-file "/etc/passwd"
"*If non-nil, a string naming the passwd file on your system."
:type 'file
:group 'pcmpl-unix)
;; Functions:
;;;###autoload
(defun pcomplete/cd ()
"Completion for `cd'."
(pcomplete-here (pcomplete-dirs)))
;;;###autoload
(defalias 'pcomplete/pushd 'pcomplete/cd)
;;;###autoload
(defun pcomplete/rmdir ()
"Completion for `rmdir'."
(while (pcomplete-here (pcomplete-dirs))))
;;;###autoload
(defun pcomplete/rm ()
"Completion for `rm'."
(let ((pcomplete-help "(fileutils)rm invocation"))
(pcomplete-opt "dfirRv")
(while (pcomplete-here (pcomplete-all-entries) nil
'expand-file-name))))
;;;###autoload
(defun pcomplete/xargs ()
"Completion for `xargs'."
(pcomplete-here (funcall pcomplete-command-completion-function))
(funcall (or (pcomplete-find-completion-function (pcomplete-arg 1))
pcomplete-default-completion-function)))
;;;###autoload
(defalias 'pcomplete/time 'pcomplete/xargs)
;;;###autoload
(defun pcomplete/which ()
"Completion for `which'."
(while (pcomplete-here (funcall pcomplete-command-completion-function))))
(defun pcmpl-unix-read-passwd-file (file)
"Return an alist correlating gids to group names in FILE."
(let (names)
(when (file-readable-p file)
(with-temp-buffer
(insert-file-contents file)
(goto-char (point-min))
(while (not (eobp))
(let* ((fields
(split-string (buffer-substring
(point) (progn (end-of-line)
(point))) ":")))
(setq names (cons (nth 0 fields) names)))
(forward-line))))
(pcomplete-uniqify-list names)))
(defsubst pcmpl-unix-group-names ()
"Read the contents of /etc/group for group names."
(if pcmpl-unix-group-file
(pcmpl-unix-read-passwd-file pcmpl-unix-group-file)))
(defsubst pcmpl-unix-user-names ()
"Read the contents of /etc/passwd for user names."
(if pcmpl-unix-passwd-file
(pcmpl-unix-read-passwd-file pcmpl-unix-passwd-file)))
;;;###autoload
(defun pcomplete/chown ()
"Completion for the `chown' command."
(unless (pcomplete-match "\\`-")
(if (pcomplete-match "\\`[^.]*\\'" 0)
(pcomplete-here* (pcmpl-unix-user-names))
(if (pcomplete-match "\\.\\([^.]*\\)\\'" 0)
(pcomplete-here* (pcmpl-unix-group-names)
(pcomplete-match-string 1 0))
(pcomplete-here*))))
(while (pcomplete-here (pcomplete-entries))))
;;;###autoload
(defun pcomplete/chgrp ()
"Completion for the `chgrp' command."
(unless (pcomplete-match "\\`-")
(pcomplete-here* (pcmpl-unix-group-names)))
(while (pcomplete-here (pcomplete-entries))))
;;; arch-tag: 3f9eb5af-7e0e-449d-b586-381cbbf8fc5c
;;; pcmpl-unix.el ends here
|
