lisp/pcmpl-x.el

   1 ;;; pcmpl-x.el --- completion for miscellaneous tools  -*- lexical-binding: t; -*-
   2
   3 ;; Copyright (C) 2013 Free Software Foundation, Inc.
   4
   5 ;; Author: Leo Liu <sdl.web@gmail.com>
   6 ;; Keywords: processes, tools, convenience
   7 ;; Package: pcomplete
   8
   9 ;; This file is part of GNU Emacs.
  10
  11 ;; GNU Emacs is free software: you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation, either version 3 of the License, or
  14 ;; (at your option) any later version.
  15
  16 ;; GNU Emacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 ;;; Code:
  25
  26 (eval-when-compile (require 'cl-lib))
  27 (require 'pcomplete)
  28
  29
  30 ;;;; tlmgr - http://www.tug.org/texlive/tlmgr.html
  31
  32 (defcustom pcmpl-x-tlmgr-program "tlmgr"
  33   "Name of the tlmgr program."
  34   :type 'file
  35   :group 'pcomplete)
  36
  37 (defvar pcmpl-x-tlmgr-common-options
  38   '("--repository"
  39     "--gui"
  40     "--gui-lang"
  41     "--machine-readable"
  42     "--package-logfile"
  43     "--pause"
  44     "--persistent-downloads"
  45     "--no-persistent-downloads"
  46     "--no-execute-actions"
  47     "--debug-translation"
  48     "--help"
  49     "--version"))
  50
  51 (defvar pcmpl-x-tlmgr-actions
  52   '(("help")
  53     ("version")
  54     ("gui")
  55     ("install")
  56     ("update")
  57     ("backup")
  58     ("restore")
  59     ("remove")
  60     ("repository" ("list" "add" "remove" "set"))
  61     ("candidates")
  62     ("option" ("show"
  63                "showall"
  64                "repository"
  65                "formats"
  66                "postcode"
  67                "docfiles"
  68                "srcfiles"
  69                "backupdir"
  70                "autobackup"
  71                "sys_bin"
  72                "sys_man"
  73                "sys_info"
  74                "desktop_integration"
  75                "fileassocs"
  76                "multiuser"))
  77     ("conf" ("texmf" "tlmgr"))
  78     ("paper"
  79      ("a4" "letter" "xdvi" "pdftex" "dvips" "dvipdfmx" "dvipdfm" "context")
  80      (lambda ()
  81        (unless (member (pcomplete-arg 1) '("a4" "letter"))
  82          (pcomplete-here* '("paper"))
  83          (pcomplete-here* '("a4" "letter")))))
  84     ("platform" ("list" "add" "remove"))
  85     ("print-platform" ("collections" "schemes"))
  86     ("arch" ("list" "add" "remove"))
  87     ("print-arch" ("collections" "schemes"))
  88     ("info" ("collections" "schemes"))
  89     ("search")
  90     ("dump-tlpdb")
  91     ("check" ("files" "depends" "executes" "runfiles" "all"))
  92     ("path" ("add" "remove"))
  93     ("postaction" ("install" "remove") ("shortcut" "fileassoc" "script"))
  94     ("uninstall")
  95     ("generate" ("language"
  96                  "language.dat"
  97                  "language.def"
  98                  "language.dat.lua"
  99                  "fmtutil"))))
 100
 101 (defvar pcmpl-x-tlmgr-options-cache (make-hash-table :size 31 :test 'equal))
 102
 103 (defun pcmpl-x-tlmgr-action-options (action)
 104   "Get the list of long options for ACTION."
 105   (if (eq (gethash action pcmpl-x-tlmgr-options-cache 'missing) 'missing)
 106       (with-temp-buffer
 107         (when (zerop
 108                (call-process pcmpl-x-tlmgr-program nil t nil action "-h"))
 109           (goto-char (point-min))
 110           (puthash action
 111                    (cons "--help"
 112                          (cl-loop while (re-search-forward
 113                                          "^[ \t]+\\(--[[:alnum:]-]+=?\\)"
 114                                          nil t)
 115                                   collect (match-string 1)))
 116                    pcmpl-x-tlmgr-options-cache)
 117           (pcmpl-x-tlmgr-action-options action)))
 118     (gethash action pcmpl-x-tlmgr-options-cache)))
 119
 120 ;;;###autoload
 121 (defun pcomplete/tlmgr ()
 122   "Completion for the `tlmgr' command."
 123   (while (pcomplete-match "^--" 0)
 124     (pcomplete-here* pcmpl-x-tlmgr-common-options)
 125     (unless (or (pcomplete-match "^--" 0)
 126                 (all-completions (pcomplete-arg 0) pcmpl-x-tlmgr-actions))
 127       (pcomplete-here* (pcomplete-dirs-or-entries))))
 128   (pcomplete-here* pcmpl-x-tlmgr-actions)
 129   (let ((action (substring-no-properties (pcomplete-arg 1))))
 130     (while t
 131       (if (pcomplete-match "^--" 0)
 132           (pcomplete-here* (pcmpl-x-tlmgr-action-options action))
 133         (dolist (completions (cdr (assoc action pcmpl-x-tlmgr-actions)))
 134           (cond ((functionp completions)
 135                  (funcall completions))
 136                 ((all-completions (pcomplete-arg 0) completions)
 137                  (pcomplete-here* completions))
 138                 (t (pcomplete-here* (pcomplete-dirs-or-entries)))))
 139         (unless (pcomplete-match "^--" 0)
 140           (pcomplete-here* (pcomplete-dirs-or-entries)))))))
 141
 142
 143 ;;;; ack - http://betterthangrep.com
 144
 145 ;; Usage:
 146 ;;   - To complete short options type '-' first
 147 ;;   - To complete long options type '--' first
 148 ;;   - Color name completion is supported following
 149 ;;       --color-filename=, --color-match= and --color-lineno=
 150 ;;   - Type completion is supported following --type=
 151
 152 (defcustom pcmpl-x-ack-program
 153   (file-name-nondirectory (or (executable-find "ack-grep")
 154                               (executable-find "ack")
 155                               "ack"))
 156   "Name of the ack program."
 157   :type 'file
 158   :group 'pcomplete)
 159
 160 (defvar pcmpl-x-ack-color-options
 161   '("clear"
 162     "reset"
 163     "dark"
 164     "bold"
 165     "underline"
 166     "underscore"
 167     "blink"
 168     "reverse"
 169     "concealed"
 170     "black"
 171     "red"
 172     "green"
 173     "yellow"
 174     "blue"
 175     "magenta"
 176     "on_black"
 177     "on_red"
 178     "on_green"
 179     "on_yellow"
 180     "on_blue"
 181     "on_magenta"
 182     "on_cyan"
 183     "on_white")
 184   "Color names for the `ack' command.")
 185
 186 (defun pcmpl-x-ack-run (buffer &rest args)
 187   "Run ack with ARGS and send the output to BUFFER."
 188   (condition-case nil
 189       (apply 'call-process (or pcmpl-x-ack-program "ack") nil buffer nil args)
 190     (file-error -1)))
 191
 192 (defun pcmpl-x-ack-short-options ()
 193   "Short options for the `ack' command."
 194   (with-temp-buffer
 195     (let (options)
 196       (when (zerop (pcmpl-x-ack-run t "--help"))
 197         (goto-char (point-min))
 198         (while (re-search-forward "^  -\\([^-]\\)" nil t)
 199           (push (match-string 1) options))
 200         (mapconcat 'identity (nreverse options) "")))))
 201
 202 (defun pcmpl-x-ack-long-options (&optional arg)
 203   "Long options for the `ack' command."
 204   (with-temp-buffer
 205     (let (options)
 206       (when (zerop (pcmpl-x-ack-run t (or arg "--help")))
 207         (goto-char (point-min))
 208         (while (re-search-forward
 209                 "\\(?:   ?\\|, \\)\\(--\\(\\[no\\]\\)?\\([[:alnum:]-]+=?\\)\\)"
 210                 nil t)
 211           (if (not (match-string 2))
 212               (push (match-string 1) options)
 213             (push (concat "--" (match-string 3)) options)
 214             (push (concat "--no" (match-string 3)) options)))
 215         (nreverse options)))))
 216
 217 (defun pcmpl-x-ack-type-options ()
 218   "A list of types for the `ack' command."
 219   (pcmpl-x-ack-long-options "--help-types"))
 220
 221 ;;;###autoload
 222 (defun pcomplete/ack ()
 223   "Completion for the `ack' command.
 224 Start an argument with '-' to complete short options and '--' for
 225 long options."
 226   ;; No space after =
 227   (while t
 228     (if (pcomplete-match "^-" 0)
 229         (cond
 230          ((pcomplete-match "^--color-\\w+=\\(\\S-*\\)" 0)
 231           (pcomplete-here* pcmpl-x-ack-color-options
 232                            (pcomplete-match-string 1 0) t))
 233          ((pcomplete-match "^--\\(?:no\\)?ignore-dir=\\(\\S-*\\)" 0)
 234           (pcomplete-here* (pcomplete-dirs)
 235                            (pcomplete-match-string 1 0) t))
 236          ((pcomplete-match "^--type=\\(\\S-*\\)" 0)
 237           (pcomplete-here* (mapcar (lambda (type-option)
 238                                      (substring type-option 2))
 239                                    (pcmpl-x-ack-type-options))
 240                            (pcomplete-match-string 1 0) t))
 241          ((pcomplete-match "^--" 0)
 242           (pcomplete-here* (append (pcmpl-x-ack-long-options)
 243                                    (pcmpl-x-ack-type-options))))
 244          (t (pcomplete-opt (pcmpl-x-ack-short-options))))
 245       (pcomplete-here* (pcomplete-dirs-or-entries)))))
 246
 247 ;;;###autoload
 248 (defalias 'pcomplete/ack-grep 'pcomplete/ack)
 249
 250 (provide 'pcmpl-x)
 251 ;;; pcmpl-x.el ends here