lisp/pcmpl-gnu.el

   1 ;;; pcmpl-gnu.el --- completions for GNU project tools
   2
   3 ;; Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004,
   4 ;;   2005, 2006, 2007 Free Software Foundation, Inc.
   5
   6 ;; This file is part of GNU Emacs.
   7
   8 ;; GNU Emacs is free software; you can redistribute it and/or modify
   9 ;; it under the terms of the GNU General Public License as published by
  10 ;; the Free Software Foundation; either version 2, or (at your option)
  11 ;; any later version.
  12
  13 ;; GNU Emacs is distributed in the hope that it will be useful,
  14 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 ;; GNU General Public License for more details.
  17
  18 ;; You should have received a copy of the GNU General Public License
  19 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  20 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21 ;; Boston, MA 02110-1301, USA.
  22
  23 ;;; Commentary:
  24
  25 ;;; Code:
  26
  27 (provide 'pcmpl-gnu)
  28
  29 (require 'pcomplete)
  30 (require 'pcmpl-unix)
  31
  32 (defgroup pcmpl-gnu nil
  33   "Completions for GNU project tools."
  34   :group 'pcomplete)
  35
  36 ;; User Variables:
  37
  38 (defcustom pcmpl-gnu-makefile-regexps
  39   '("\\`GNUmakefile" "\\`Makefile" "\\.mak\\'")
  40   "*A list of regexps that will match Makefile names."
  41   :type '(repeat regexp)
  42   :group 'pcmpl-gnu)
  43
  44 ;; Functions:
  45
  46 ;;;###autoload
  47 (defun pcomplete/gzip ()
  48   "Completion for `gzip'."
  49   (let ((pcomplete-help "(gzip)"))
  50     (pcomplete-opt "cdfhlLnNqrStvV123456789")
  51     (while (pcomplete-here
  52             (pcmpl-gnu-zipped-files
  53              (catch 'has-d-flag
  54                (let ((args pcomplete-args))
  55                  (while args
  56                    (if (string-match "\\`-.*[dt]" (car args))
  57                        (throw 'has-d-flag t))
  58                    (setq args (cdr args))))))))))
  59
  60 (defun pcmpl-gnu-zipped-files (unzip-p)
  61   "Find all zipped or unzipped files: the inverse of UNZIP-P."
  62   (pcomplete-entries
  63    nil
  64    (function
  65     (lambda (entry)
  66       (when (and (file-readable-p entry)
  67                  (file-regular-p entry))
  68         (let ((zipped (string-match "\\.\\(t?gz\\|\\(ta\\)?Z\\)\\'"
  69                                     entry)))
  70           (or (and unzip-p zipped)
  71               (and (not unzip-p) (not zipped)))))))))
  72
  73 ;;;###autoload
  74 (defun pcomplete/bzip2 ()
  75   "Completion for `bzip2'."
  76   (pcomplete-opt "hdzkftcqvLVs123456789")
  77   (while (pcomplete-here
  78           (pcmpl-gnu-bzipped-files
  79            (catch 'has-d-flag
  80              (let ((args pcomplete-args))
  81                (while args
  82                  (if (string-match "\\`-.*[dt]" (car args))
  83                      (throw 'has-d-flag t))
  84                  (setq args (cdr args)))))))))
  85
  86 (defun pcmpl-gnu-bzipped-files (unzip-p)
  87   "Find all zipped or unzipped files: the inverse of UNZIP-P."
  88   (pcomplete-entries
  89    nil
  90    (function
  91     (lambda (entry)
  92       (when (and (file-readable-p entry)
  93                  (file-regular-p entry))
  94         (let ((zipped (string-match "\\.\\(t?z2\\|bz2\\)\\'" entry)))
  95           (or (and unzip-p zipped)
  96               (and (not unzip-p) (not zipped)))))))))
  97
  98 ;;;###autoload
  99 (defun pcomplete/make ()
 100   "Completion for GNU `make'."
 101   (let ((pcomplete-help "(make)Top"))
 102     (pcomplete-opt "bmC/def(pcmpl-gnu-makefile-names)hiI/j?kl?no.pqrsStvwW.")
 103     (while (pcomplete-here (pcmpl-gnu-make-rule-names) nil 'identity))))
 104
 105 (defun pcmpl-gnu-makefile-names ()
 106   "Return a list of possible makefile names."
 107   (let ((names (list t))
 108         (reg pcmpl-gnu-makefile-regexps))
 109     (while reg
 110       (nconc names (pcomplete-entries (car reg)))
 111       (setq reg (cdr reg)))
 112     (cdr names)))
 113
 114 (defun pcmpl-gnu-make-rule-names ()
 115   "Return a list of possible make rule names in MAKEFILE."
 116   (let* ((minus-f (member "-f" pcomplete-args))
 117          (makefile (or (cadr minus-f)
 118                        (if (file-exists-p "GNUmakefile")
 119                            "GNUmakefile"
 120                          "Makefile")))
 121          rules)
 122     (if (not (file-readable-p makefile))
 123         (unless minus-f (list "-f"))
 124       (with-temp-buffer
 125         (insert-file-contents-literally makefile)
 126         (while (re-search-forward
 127                 (concat "^\\s-*\\([^\n#%.$][^:=\n]*\\)\\s-*:[^=]") nil t)
 128           (setq rules (append (split-string (match-string 1)) rules))))
 129       (pcomplete-uniqify-list rules))))
 130
 131 (defcustom pcmpl-gnu-tarfile-regexp
 132   "\\.t\\(ar\\(\\.\\(gz\\|bz2\\|Z\\)\\)?\\|gz\\|a[zZ]\\|z2\\)\\'"
 133   "*A regexp which matches any tar archive."
 134   :type 'regexp
 135   :group 'pcmpl-gnu)
 136
 137 (defvar pcmpl-gnu-tar-buffer nil)
 138
 139 ;;;###autoload
 140 (defun pcomplete/tar ()
 141   "Completion for the GNU tar utility."
 142   ;; options that end in an equal sign will want further completion...
 143   (let (saw-option complete-within)
 144     (setq pcomplete-suffix-list (cons ?= pcomplete-suffix-list))
 145     (while (pcomplete-match "^-" 0)
 146       (setq saw-option t)
 147       (if (pcomplete-match "^--" 0)
 148           (if (pcomplete-match "^--\\([^= \t\n\f]*\\)\\'" 0)
 149               (pcomplete-here*
 150                '("--absolute-names"
 151                  "--after-date="
 152                  "--append"
 153                  "--atime-preserve"
 154                  "--backup"
 155                  "--block-number"
 156                  "--blocking-factor="
 157                  "--catenate"
 158                  "--checkpoint"
 159                  "--compare"
 160                  "--compress"
 161                  "--concatenate"
 162                  "--confirmation"
 163                  "--create"
 164                  "--delete"
 165                  "--dereference"
 166                  "--diff"
 167                  "--directory="
 168                  "--exclude="
 169                  "--exclude-from="
 170                  "--extract"
 171                  "--file="
 172                  "--files-from="
 173                  "--force-local"
 174                  "--get"
 175                  "--group="
 176                  "--gzip"
 177                  "--help"
 178                  "--ignore-failed-read"
 179                  "--ignore-zeros"
 180                  "--incremental"
 181                  "--info-script="
 182                  "--interactive"
 183                  "--keep-old-files"
 184                  "--label="
 185                  "--list"
 186                  "--listed-incremental"
 187                  "--mode="
 188                  "--modification-time"
 189                  "--multi-volume"
 190                  "--new-volume-script="
 191                  "--newer="
 192                  "--newer-mtime"
 193                  "--no-recursion"
 194                  "--null"
 195                  "--numeric-owner"
 196                  "--old-archive"
 197                  "--one-file-system"
 198                  "--owner="
 199                  "--portability"
 200                  "--posix"
 201                  "--preserve"
 202                  "--preserve-order"
 203                  "--preserve-permissions"
 204                  "--read-full-records"
 205                  "--record-size="
 206                  "--recursive-unlink"
 207                  "--remove-files"
 208                  "--rsh-command="
 209                  "--same-order"
 210                  "--same-owner"
 211                  "--same-permissions"
 212                  "--sparse"
 213                  "--starting-file="
 214                  "--suffix="
 215                  "--tape-length="
 216                  "--to-stdout"
 217                  "--totals"
 218                  "--uncompress"
 219                  "--ungzip"
 220                  "--unlink-first"
 221                  "--update"
 222                  "--use-compress-program="
 223                  "--verbose"
 224                  "--verify"
 225                  "--version"
 226                  "--volno-file=")))
 227         (pcomplete-opt "01234567ABCFGKLMNOPRSTUVWXZbcdfghiklmoprstuvwxz"))
 228       (cond
 229        ((pcomplete-match "\\`--after-date=" 0)
 230         (pcomplete-here*))
 231        ((pcomplete-match "\\`--backup=" 0)
 232         (pcomplete-here*))
 233        ((pcomplete-match "\\`--blocking-factor=" 0)
 234         (pcomplete-here*))
 235        ((pcomplete-match "\\`--directory=\\(.*\\)" 0)
 236         (pcomplete-here* (pcomplete-dirs)
 237                          (pcomplete-match-string 1 0)))
 238        ((pcomplete-match "\\`--exclude-from=\\(.*\\)" 0)
 239         (pcomplete-here* (pcomplete-entries)
 240                          (pcomplete-match-string 1 0)))
 241        ((pcomplete-match "\\`--exclude=" 0)
 242         (pcomplete-here*))
 243        ((pcomplete-match "\\`--\\(extract\\|list\\)\\'" 0)
 244         (setq complete-within t))
 245        ((pcomplete-match "\\`--file=\\(.*\\)" 0)
 246         (pcomplete-here* (pcomplete-dirs-or-entries pcmpl-gnu-tarfile-regexp)
 247                          (pcomplete-match-string 1 0)))
 248        ((pcomplete-match "\\`--files-from=\\(.*\\)" 0)
 249         (pcomplete-here* (pcomplete-entries)
 250                          (pcomplete-match-string 1 0)))
 251        ((pcomplete-match "\\`--group=\\(.*\\)" 0)
 252         (pcomplete-here* (pcmpl-unix-group-names)
 253                          (pcomplete-match-string 1 0)))
 254        ((pcomplete-match "\\`--info-script=\\(.*\\)" 0)
 255         (pcomplete-here* (pcomplete-entries)
 256                          (pcomplete-match-string 1 0)))
 257        ((pcomplete-match "\\`--label=" 0)
 258         (pcomplete-here*))
 259        ((pcomplete-match "\\`--mode=" 0)
 260         (pcomplete-here*))
 261        ((pcomplete-match "\\`--new-volume-script=\\(.*\\)" 0)
 262         (pcomplete-here* (pcomplete-entries)
 263                          (pcomplete-match-string 1 0)))
 264        ((pcomplete-match "\\`--newer=" 0)
 265         (pcomplete-here*))
 266        ((pcomplete-match "\\`--owner=\\(.*\\)" 0)
 267         (pcomplete-here* (pcmpl-unix-user-names)
 268                          (pcomplete-match-string 1 0)))
 269        ((pcomplete-match "\\`--record-size=" 0)
 270         (pcomplete-here*))
 271        ((pcomplete-match "\\`--rsh-command=\\(.*\\)" 0)
 272         (pcomplete-here* (funcall pcomplete-command-completion-function)
 273                          (pcomplete-match-string 1 0)))
 274        ((pcomplete-match "\\`--starting-file=\\(.*\\)" 0)
 275         (pcomplete-here* (pcomplete-entries)
 276                          (pcomplete-match-string 1 0)))
 277        ((pcomplete-match "\\`--suffix=" 0)
 278         (pcomplete-here*))
 279        ((pcomplete-match "\\`--tape-length=" 0)
 280         (pcomplete-here*))
 281        ((pcomplete-match "\\`--use-compress-program=\\(.*\\)" 0)
 282         (pcomplete-here* (funcall pcomplete-command-completion-function)
 283                          (pcomplete-match-string 1 0)))
 284        ((pcomplete-match "\\`--volno-file=\\(.*\\)" 0)
 285         (pcomplete-here* (pcomplete-entries)
 286                          (pcomplete-match-string 1 0)))))
 287     (setq pcomplete-suffix-list (cdr pcomplete-suffix-list))
 288     (unless saw-option
 289       (pcomplete-here
 290        (mapcar 'char-to-string
 291                (string-to-list
 292                 "01234567ABCFGIKLMNOPRSTUVWXZbcdfghiklmoprstuvwxz")))
 293       (if (pcomplete-match "[xt]" 'first 1)
 294           (setq complete-within t)))
 295     (pcomplete-here (pcomplete-dirs-or-entries pcmpl-gnu-tarfile-regexp))
 296     (setq pcmpl-gnu-tar-buffer (find-file-noselect (pcomplete-arg 1)))
 297     (while (pcomplete-here
 298             (if complete-within
 299                 (with-current-buffer pcmpl-gnu-tar-buffer
 300                   (mapcar
 301                    (function
 302                     (lambda (entry)
 303                       (tar-header-name (cdr entry))))
 304                    tar-parse-info))
 305               (pcomplete-entries))
 306             nil 'identity))))
 307
 308 ;;;###autoload
 309 (defalias 'pcomplete/gdb 'pcomplete/xargs)
 310
 311 ;;; arch-tag: 06d2b429-dcb1-4a57-84e1-f70d87781183
 312 ;;; pcmpl-gnu.el ends here