| 1 | ;;; pcmpl-unix --- standard UNIX completions |
| 2 | |
| 3 | ;; Copyright (C) 1999, 2000 Free Software Foundation |
| 4 | |
| 5 | ;; This file is part of GNU Emacs. |
| 6 | |
| 7 | ;; GNU Emacs is free software; you can redistribute it and/or modify |
| 8 | ;; it under the terms of the GNU General Public License as published by |
| 9 | ;; the Free Software Foundation; either version 2, or (at your option) |
| 10 | ;; any later version. |
| 11 | |
| 12 | ;; GNU Emacs is distributed in the hope that it will be useful, |
| 13 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | ;; GNU General Public License for more details. |
| 16 | |
| 17 | ;; You should have received a copy of the GNU General Public License |
| 18 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
| 19 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 20 | ;; Boston, MA 02111-1307, USA. |
| 21 | |
| 22 | ;;; Code: |
| 23 | |
| 24 | (provide 'pcmpl-unix) |
| 25 | |
| 26 | (require 'pcomplete) |
| 27 | |
| 28 | ;; User Variables: |
| 29 | |
| 30 | (defcustom pcmpl-unix-group-file "/etc/group" |
| 31 | "*If non-nil, a string naming the group file on your system." |
| 32 | :type 'file |
| 33 | :group 'pcmpl-unix) |
| 34 | |
| 35 | (defcustom pcmpl-unix-passwd-file "/etc/passwd" |
| 36 | "*If non-nil, a string naming the passwd file on your system." |
| 37 | :type 'file |
| 38 | :group 'pcmpl-unix) |
| 39 | |
| 40 | ;; Functions: |
| 41 | |
| 42 | ;;;###autoload |
| 43 | (defun pcomplete/cd () |
| 44 | "Completion for `cd'." |
| 45 | (pcomplete-here (pcomplete-dirs))) |
| 46 | |
| 47 | ;;;###autoload |
| 48 | (defalias 'pcomplete/pushd 'pcomplete/cd) |
| 49 | |
| 50 | ;;;###autoload |
| 51 | (defun pcomplete/rmdir () |
| 52 | "Completion for `rmdir'." |
| 53 | (while (pcomplete-here (pcomplete-dirs)))) |
| 54 | |
| 55 | ;;;###autoload |
| 56 | (defun pcomplete/rm () |
| 57 | "Completion for `rm'." |
| 58 | (let ((pcomplete-help "(fileutils)rm invocation")) |
| 59 | (pcomplete-opt "dfirRv") |
| 60 | (while (pcomplete-here (pcomplete-all-entries) nil |
| 61 | 'expand-file-name)))) |
| 62 | |
| 63 | ;;;###autoload |
| 64 | (defun pcomplete/xargs () |
| 65 | "Completion for `xargs'." |
| 66 | (pcomplete-here (funcall pcomplete-command-completion-function)) |
| 67 | (funcall (or (pcomplete-find-completion-function (pcomplete-arg 1)) |
| 68 | pcomplete-default-completion-function))) |
| 69 | |
| 70 | ;;;###autoload |
| 71 | (defalias 'pcomplete/time 'pcomplete/xargs) |
| 72 | |
| 73 | ;;;###autoload |
| 74 | (defun pcomplete/which () |
| 75 | "Completion for `which'." |
| 76 | (while (pcomplete-here (funcall pcomplete-command-completion-function)))) |
| 77 | |
| 78 | (defun pcmpl-unix-read-passwd-file (file) |
| 79 | "Return an alist correlating gids to group names in FILE." |
| 80 | (let (names) |
| 81 | (when (file-readable-p file) |
| 82 | (with-temp-buffer |
| 83 | (insert-file-contents file) |
| 84 | (goto-char (point-min)) |
| 85 | (while (not (eobp)) |
| 86 | (let* ((fields |
| 87 | (split-string (buffer-substring |
| 88 | (point) (progn (end-of-line) |
| 89 | (point))) ":"))) |
| 90 | (setq names (cons (nth 0 fields) names))) |
| 91 | (forward-line)))) |
| 92 | (pcomplete-uniqify-list names))) |
| 93 | |
| 94 | (defsubst pcmpl-unix-group-names () |
| 95 | "Read the contents of /etc/group for group names." |
| 96 | (if pcmpl-unix-group-file |
| 97 | (pcmpl-unix-read-passwd-file pcmpl-unix-group-file))) |
| 98 | |
| 99 | (defsubst pcmpl-unix-user-names () |
| 100 | "Read the contents of /etc/passwd for user names." |
| 101 | (if pcmpl-unix-passwd-file |
| 102 | (pcmpl-unix-read-passwd-file pcmpl-unix-passwd-file))) |
| 103 | |
| 104 | ;;;###autoload |
| 105 | (defun pcomplete/chown () |
| 106 | "Completion for the `chown' command." |
| 107 | (unless (pcomplete-match "\\`-") |
| 108 | (if (pcomplete-match "\\`[^.]*\\'" 0) |
| 109 | (pcomplete-here* (pcmpl-unix-user-names)) |
| 110 | (if (pcomplete-match "\\.\\([^.]*\\)\\'" 0) |
| 111 | (pcomplete-here* (pcmpl-unix-group-names) |
| 112 | (pcomplete-match-string 1 0)) |
| 113 | (pcomplete-here*)))) |
| 114 | (while (pcomplete-here (pcomplete-entries)))) |
| 115 | |
| 116 | ;;;###autoload |
| 117 | (defun pcomplete/chgrp () |
| 118 | "Completion for the `chgrp' command." |
| 119 | (unless (pcomplete-match "\\`-") |
| 120 | (pcomplete-here* (pcmpl-unix-group-names))) |
| 121 | (while (pcomplete-here (pcomplete-entries)))) |
| 122 | |
| 123 | ;;; pcmpl-unix.el ends here |