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, 2008, 2009, 2010, 2011 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 3 of the License, or
  11 ;; (at your option) 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.  If not, see <http://www.gnu.org/licenses/>.
  20
  21 ;;; Commentary:
  22
  23 ;;; Code:
  24
  25 (provide 'pcmpl-gnu)
  26
  27 (require 'pcomplete)
  28 (require 'pcmpl-unix)
  29
  30 (defgroup pcmpl-gnu nil
  31   "Completions for GNU project tools."
  32   :group 'pcomplete)
  33
  34 ;; User Variables:
  35
  36 (defcustom pcmpl-gnu-makefile-regexps
  37   '("\\`GNUmakefile" "\\`Makefile" "\\.mak\\'")
  38   "A list of regexps that will match Makefile names."
  39   :type '(repeat regexp)
  40   :group 'pcmpl-gnu)
  41
  42 ;; Functions:
  43
  44 ;;;###autoload
  45 (defun pcomplete/gzip ()
  46   "Completion for `gzip'."
  47   (let ((pcomplete-help "(gzip)"))
  48     (pcomplete-opt "cdfhlLnNqrStvV123456789")
  49     (while (pcomplete-here
  50             (pcmpl-gnu-zipped-files
  51              (catch 'has-d-flag
  52                (let ((args pcomplete-args))
  53                  (while args
  54                    (if (string-match "\\`-.*[dt]" (car args))
  55                        (throw 'has-d-flag t))
  56                    (setq args (cdr args))))))))))
  57
  58 (defun pcmpl-gnu-zipped-files (unzip-p)
  59   "Find all zipped or unzipped files: the inverse of UNZIP-P."
  60   (pcomplete-entries
  61    nil
  62    (function
  63     (lambda (entry)
  64       (when (and (file-readable-p entry)
  65                  (file-regular-p entry))
  66         (let ((zipped (string-match "\\.\\(t?gz\\|\\(ta\\)?Z\\)\\'"
  67                                     entry)))
  68           (or (and unzip-p zipped)
  69               (and (not unzip-p) (not zipped)))))))))
  70
  71 ;;;###autoload
  72 (defun pcomplete/bzip2 ()
  73   "Completion for `bzip2'."
  74   (pcomplete-opt "hdzkftcqvLVs123456789")
  75   (while (pcomplete-here
  76           (pcmpl-gnu-bzipped-files
  77            (catch 'has-d-flag
  78              (let ((args pcomplete-args))
  79                (while args
  80                  (if (string-match "\\`-.*[dt]" (car args))
  81                      (throw 'has-d-flag t))
  82                  (setq args (cdr args)))))))))
  83
  84 (defun pcmpl-gnu-bzipped-files (unzip-p)
  85   "Find all zipped or unzipped files: the inverse of UNZIP-P."
  86   (pcomplete-entries
  87    nil
  88    (function
  89     (lambda (entry)
  90       (when (and (file-readable-p entry)
  91                  (file-regular-p entry))
  92         (let ((zipped (string-match "\\.\\(t?z2\\|bz2\\)\\'" entry)))
  93           (or (and unzip-p zipped)
  94               (and (not unzip-p) (not zipped)))))))))
  95
  96 ;;;###autoload
  97 (defun pcomplete/make ()
  98   "Completion for GNU `make'."
  99   (let ((pcomplete-help "(make)Top"))
 100     (pcomplete-opt "bmC/def(pcmpl-gnu-makefile-names)hiI/j?kl?no.pqrsStvwW.")
 101     (while (pcomplete-here (pcmpl-gnu-make-rule-names) nil 'identity))))
 102
 103 (defun pcmpl-gnu-makefile-names ()
 104   "Return a list of possible makefile names."
 105   (pcomplete-entries (mapconcat 'identity pcmpl-gnu-makefile-regexps "\\|")))
 106
 107 (defun pcmpl-gnu-make-rule-names ()
 108   "Return a list of possible make rule names in MAKEFILE."
 109   (let* ((minus-f (member "-f" pcomplete-args))
 110          (makefile (or (cadr minus-f)
 111                        (if (file-exists-p "GNUmakefile")
 112                            "GNUmakefile"
 113                          "Makefile")))
 114          rules)
 115     (if (not (file-readable-p makefile))
 116         (unless minus-f (list "-f"))
 117       (with-temp-buffer
 118         (insert-file-contents-literally makefile)
 119         (while (re-search-forward
 120                 (concat "^\\s-*\\([^\n#%.$][^:=\n]*\\)\\s-*:[^=]") nil t)
 121           (setq rules (append (split-string (match-string 1)) rules))))
 122       (pcomplete-uniqify-list rules))))
 123
 124 (defcustom pcmpl-gnu-tarfile-regexp
 125   "\\.t\\(ar\\(\\.\\(gz\\|bz2\\|Z\\)\\)?\\|gz\\|a[zZ]\\|z2\\)\\'"
 126   "A regexp which matches any tar archive."
 127   :type 'regexp
 128   :group 'pcmpl-gnu)
 129
 130 (defvar pcmpl-gnu-tar-buffer nil)
 131
 132 ;; Only used in tar-mode buffers.
 133 (defvar tar-parse-info)
 134 (declare-function tar-header-name "tar-mode" t t)
 135
 136 ;;;###autoload
 137 (defun pcomplete/tar ()
 138   "Completion for the GNU tar utility."
 139   ;; options that end in an equal sign will want further completion...
 140   (let (saw-option complete-within)
 141     (setq pcomplete-suffix-list (cons ?= pcomplete-suffix-list))
 142     (while (pcomplete-match "^-" 0)
 143       (setq saw-option t)
 144       (if (pcomplete-match "^--" 0)
 145           (if (pcomplete-match "^--\\([^= \t\n\f]*\\)\\'" 0)
 146               (pcomplete-here*
 147                '("--absolute-names"
 148                  "--after-date="
 149                  "--append"
 150                  "--atime-preserve"
 151                  "--backup"
 152                  "--block-number"
 153                  "--blocking-factor="
 154                  "--catenate"
 155                  "--checkpoint"
 156                  "--compare"
 157                  "--compress"
 158                  "--concatenate"
 159                  "--confirmation"
 160                  "--create"
 161                  "--delete"
 162                  "--dereference"
 163                  "--diff"
 164                  "--directory="
 165                  "--exclude="
 166                  "--exclude-from="
 167                  "--extract"
 168                  "--file="
 169                  "--files-from="
 170                  "--force-local"
 171                  "--get"
 172                  "--group="
 173                  "--gzip"
 174                  "--help"
 175                  "--ignore-failed-read"
 176                  "--ignore-zeros"
 177                  "--incremental"
 178                  "--info-script="
 179                  "--interactive"
 180                  "--keep-old-files"
 181                  "--label="
 182                  "--list"
 183                  "--listed-incremental"
 184                  "--mode="
 185                  "--modification-time"
 186                  "--multi-volume"
 187                  "--new-volume-script="
 188                  "--newer="
 189                  "--newer-mtime"
 190                  "--no-recursion"
 191                  "--null"
 192                  "--numeric-owner"
 193                  "--old-archive"
 194                  "--one-file-system"
 195                  "--owner="
 196                  "--portability"
 197                  "--posix"
 198                  "--preserve"
 199                  "--preserve-order"
 200                  "--preserve-permissions"
 201                  "--read-full-records"
 202                  "--record-size="
 203                  "--recursive-unlink"
 204                  "--remove-files"
 205                  "--rsh-command="
 206                  "--same-order"
 207                  "--same-owner"
 208                  "--same-permissions"
 209                  "--sparse"
 210                  "--starting-file="
 211                  "--suffix="
 212                  "--tape-length="
 213                  "--to-stdout"
 214                  "--totals"
 215                  "--uncompress"
 216                  "--ungzip"
 217                  "--unlink-first"
 218                  "--update"
 219                  "--use-compress-program="
 220                  "--verbose"
 221                  "--verify"
 222                  "--version"
 223                  "--volno-file=")))
 224         (pcomplete-opt "01234567ABCFGKLMNOPRSTUVWXZbcdfghiklmoprstuvwxz"))
 225       (cond
 226        ((pcomplete-match "\\`--after-date=" 0)
 227         (pcomplete-here*))
 228        ((pcomplete-match "\\`--backup=" 0)
 229         (pcomplete-here*))
 230        ((pcomplete-match "\\`--blocking-factor=" 0)
 231         (pcomplete-here*))
 232        ((pcomplete-match "\\`--directory=\\(.*\\)" 0)
 233         (pcomplete-here* (pcomplete-dirs)
 234                          (pcomplete-match-string 1 0)))
 235        ((pcomplete-match "\\`--exclude-from=\\(.*\\)" 0)
 236         (pcomplete-here* (pcomplete-entries)
 237                          (pcomplete-match-string 1 0)))
 238        ((pcomplete-match "\\`--exclude=" 0)
 239         (pcomplete-here*))
 240        ((pcomplete-match "\\`--\\(extract\\|list\\)\\'" 0)
 241         (setq complete-within t))
 242        ((pcomplete-match "\\`--file=\\(.*\\)" 0)
 243         (pcomplete-here* (pcomplete-dirs-or-entries pcmpl-gnu-tarfile-regexp)
 244                          (pcomplete-match-string 1 0)))
 245        ((pcomplete-match "\\`--files-from=\\(.*\\)" 0)
 246         (pcomplete-here* (pcomplete-entries)
 247                          (pcomplete-match-string 1 0)))
 248        ((pcomplete-match "\\`--group=\\(.*\\)" 0)
 249         (pcomplete-here* (pcmpl-unix-group-names)
 250                          (pcomplete-match-string 1 0)))
 251        ((pcomplete-match "\\`--info-script=\\(.*\\)" 0)
 252         (pcomplete-here* (pcomplete-entries)
 253                          (pcomplete-match-string 1 0)))
 254        ((pcomplete-match "\\`--label=" 0)
 255         (pcomplete-here*))
 256        ((pcomplete-match "\\`--mode=" 0)
 257         (pcomplete-here*))
 258        ((pcomplete-match "\\`--new-volume-script=\\(.*\\)" 0)
 259         (pcomplete-here* (pcomplete-entries)
 260                          (pcomplete-match-string 1 0)))
 261        ((pcomplete-match "\\`--newer=" 0)
 262         (pcomplete-here*))
 263        ((pcomplete-match "\\`--owner=\\(.*\\)" 0)
 264         (pcomplete-here* (pcmpl-unix-user-names)
 265                          (pcomplete-match-string 1 0)))
 266        ((pcomplete-match "\\`--record-size=" 0)
 267         (pcomplete-here*))
 268        ((pcomplete-match "\\`--rsh-command=\\(.*\\)" 0)
 269         (pcomplete-here* (funcall pcomplete-command-completion-function)
 270                          (pcomplete-match-string 1 0)))
 271        ((pcomplete-match "\\`--starting-file=\\(.*\\)" 0)
 272         (pcomplete-here* (pcomplete-entries)
 273                          (pcomplete-match-string 1 0)))
 274        ((pcomplete-match "\\`--suffix=" 0)
 275         (pcomplete-here*))
 276        ((pcomplete-match "\\`--tape-length=" 0)
 277         (pcomplete-here*))
 278        ((pcomplete-match "\\`--use-compress-program=\\(.*\\)" 0)
 279         (pcomplete-here* (funcall pcomplete-command-completion-function)
 280                          (pcomplete-match-string 1 0)))
 281        ((pcomplete-match "\\`--volno-file=\\(.*\\)" 0)
 282         (pcomplete-here* (pcomplete-entries)
 283                          (pcomplete-match-string 1 0)))))
 284     (setq pcomplete-suffix-list (cdr pcomplete-suffix-list))
 285     (unless saw-option
 286       (pcomplete-here
 287        (mapcar 'char-to-string
 288                (string-to-list
 289                 "01234567ABCFGIKLMNOPRSTUVWXZbcdfghiklmoprstuvwxz")))
 290       (if (pcomplete-match "[xt]" 'first 1)
 291           (setq complete-within t)))
 292     (pcomplete-here (pcomplete-dirs-or-entries pcmpl-gnu-tarfile-regexp))
 293     (setq pcmpl-gnu-tar-buffer (find-file-noselect (pcomplete-arg 1)))
 294     (while (pcomplete-here
 295             (if complete-within
 296                 (with-current-buffer pcmpl-gnu-tar-buffer
 297                   (mapcar
 298                    (function
 299                     (lambda (entry)
 300                       (tar-header-name (cdr entry))))
 301                    tar-parse-info))
 302               (pcomplete-entries))
 303             nil 'identity))))
 304
 305 ;;;###autoload
 306 (defalias 'pcomplete/gdb 'pcomplete/xargs)
 307
 308 ;; arch-tag: 06d2b429-dcb1-4a57-84e1-f70d87781183
 309 ;;; pcmpl-gnu.el ends here