HCoop / bpt / emacs.git / blame
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|---|---|---|
| 665211a3 KH |
1 | ;;; arc-mode.el --- simple editing of archives |
| 2 | ||
| f3446bb2 | 3 | ;; Copyright (C) 1995, 1997, 1998, 2003 Free Software Foundation, Inc. |
| 665211a3 | 4 | |
| 52f2cda2 | 5 | ;; Author: Morten Welinder <terra@gnu.org> |
| 665211a3 KH |
6 | ;; Keywords: archives msdog editing major-mode |
| 7 | ;; Favourite-brand-of-beer: None, I hate beer. | |
| 8 | ||
| b578f267 EN |
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 2, or (at your option) | |
| 14 | ;; 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; see the file COPYING. If not, write to the | |
| 23 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 24 | ;; Boston, MA 02111-1307, USA. | |
| 665211a3 KH |
25 | |
| 26 | ;;; Commentary: | |
| b578f267 | 27 | |
| 665211a3 KH |
28 | ;; NAMING: "arc" is short for "archive" and does not refer specifically |
| 29 | ;; to files whose name end in ".arc" | |
| 30 | ;; | |
| 31 | ;; This code does not decode any files internally, although it does | |
| 32 | ;; understand the directory level of the archives. For this reason, | |
| 33 | ;; you should expect this code to need more fiddling than tar-mode.el | |
| 34 | ;; (although it at present has fewer bugs :-) In particular, I have | |
| 35 | ;; not tested this under Ms-Dog myself. | |
| 36 | ;; ------------------------------------- | |
| 37 | ;; INTERACTION: arc-mode.el should play together with | |
| 38 | ;; | |
| 39 | ;; * ange-ftp.el: Remote archives (i.e., ones that ange-ftp has brought | |
| 40 | ;; to you) are handled by doing all updates on a local | |
| 41 | ;; copy. When you make changes to a remote file the | |
| 42 | ;; changes will first take effect when the archive buffer | |
| 43 | ;; is saved. You will be warned about this. | |
| 44 | ;; | |
| 45 | ;; * dos-fns.el: (Part of Emacs 19). You get automatic ^M^J <--> ^J | |
| 46 | ;; conversion. | |
| 47 | ;; | |
| 48 | ;; arc-mode.el does not work well with crypt++.el; for the archives as | |
| 49 | ;; such this could be fixed (but wouldn't be useful) by declaring such | |
| 50 | ;; archives to be "remote". For the members this is a general Emacs | |
| 51 | ;; problem that 19.29's file formats may fix. | |
| 52 | ;; ------------------------------------- | |
| 53 | ;; ARCHIVE TYPES: Currently only the archives below are handled, but the | |
| 54 | ;; structure for handling just about anything is in place. | |
| 55 | ;; | |
| 56 | ;; Arc Lzh Zip Zoo | |
| 57 | ;; -------------------------------- | |
| 58 | ;; View listing Intern Intern Intern Intern | |
| 59 | ;; Extract member Y Y Y Y | |
| 60 | ;; Save changed member Y Y Y Y | |
| 61 | ;; Add new member N N N N | |
| 62 | ;; Delete member Y Y Y Y | |
| 63 | ;; Rename member Y Y N N | |
| 64 | ;; Chmod - Y Y - | |
| 65 | ;; Chown - Y - - | |
| 66 | ;; Chgrp - Y - - | |
| 67 | ;; | |
| 68 | ;; Special thanks to Bill Brodie <wbrodie@panix.com> for very useful tips | |
| 69 | ;; on the first released version of this package. | |
| 70 | ;; | |
| 71 | ;; This code is partly based on tar-mode.el from Emacs. | |
| 72 | ;; ------------------------------------- | |
| 73 | ;; ARCHIVE STRUCTURES: | |
| 74 | ;; (This is mostly for myself.) | |
| 75 | ;; | |
| 76 | ;; ARC A series of (header,file). No interactions among members. | |
| 77 | ;; | |
| 78 | ;; LZH A series of (header,file). Headers are checksummed. No | |
| 79 | ;; interaction among members. | |
| 5f23d836 RS |
80 | ;; Headers come in three flavours called level 0, 1 and 2 headers. |
| 81 | ;; Level 2 header is free of DOS specific restrictions and most | |
| 82 | ;; prevalently used. Also level 1 and 2 headers consist of base | |
| 83 | ;; and extension headers. For more details see | |
| 84 | ;; http://homepage1.nifty.com/dangan/en/Content/Program/Java/jLHA/Notes/Notes.html | |
| 85 | ;; http://www.osirusoft.com/joejared/lzhformat.html | |
| 665211a3 KH |
86 | ;; |
| 87 | ;; ZIP A series of (lheader,fil) followed by a "central directory" | |
| 88 | ;; which is a series of (cheader) followed by an end-of- | |
| 89 | ;; central-dir record possibly followed by junk. The e-o-c-d | |
| 90 | ;; links to c-d. cheaders link to lheaders which are basically | |
| 91 | ;; cut-down versions of the cheaders. | |
| 92 | ;; | |
| 93 | ;; ZOO An archive header followed by a series of (header,file). | |
| 94 | ;; Each member header points to the next. The archive is | |
| 95 | ;; terminated by a bogus header with a zero next link. | |
| 96 | ;; ------------------------------------- | |
| 246e8695 | 97 | ;; HOOKS: `foo' means one of the supported archive types. |
| 665211a3 KH |
98 | ;; |
| 99 | ;; archive-mode-hook | |
| 100 | ;; archive-foo-mode-hook | |
| 101 | ;; archive-extract-hooks | |
| 102 | ||
| 103 | ;;; Code: | |
| 104 | ||
| 105 | ;; ------------------------------------------------------------------------- | |
| 106 | ;; Section: Configuration. | |
| 107 | ||
| c38eb0a8 RS |
108 | (defgroup archive nil |
| 109 | "Simple editing of archives." | |
| 110 | :group 'data) | |
| 665211a3 | 111 | |
| c38eb0a8 RS |
112 | (defgroup archive-arc nil |
| 113 | "ARC-specific options to archive." | |
| 114 | :group 'archive) | |
| 115 | ||
| 116 | (defgroup archive-lzh nil | |
| 117 | "LZH-specific options to archive." | |
| 118 | :group 'archive) | |
| 119 | ||
| 120 | (defgroup archive-zip nil | |
| 121 | "ZIP-specific options to archive." | |
| 122 | :group 'archive) | |
| 123 | ||
| 124 | (defgroup archive-zoo nil | |
| 125 | "ZOO-specific options to archive." | |
| 126 | :group 'archive) | |
| 127 | ||
| c38eb0a8 | 128 | (defcustom archive-tmpdir |
| 8053add8 RS |
129 | ;; make-temp-name is safe here because we use this name |
| 130 | ;; to create a directory. | |
| 380683ed EZ |
131 | (make-temp-name |
| 132 | (expand-file-name (if (eq system-type 'ms-dos) "ar" "archive.tmp") | |
| 0adf5079 | 133 | temporary-file-directory)) |
| c38eb0a8 RS |
134 | "*Directory for temporary files made by arc-mode.el" |
| 135 | :type 'directory | |
| 136 | :group 'archive) | |
| 665211a3 | 137 | |
| c38eb0a8 | 138 | (defcustom archive-remote-regexp "^/[^/:]*[^/:.]:" |
| eeba65ed RS |
139 | "*Regexp recognizing archive files names that are not local. |
| 140 | A non-local file is one whose file name is not proper outside Emacs. | |
| c38eb0a8 RS |
141 | A local copy of the archive will be used when updating." |
| 142 | :type 'regexp | |
| 143 | :group 'archive) | |
| 144 | ||
| 145 | (defcustom archive-extract-hooks nil | |
| 146 | "*Hooks to run when an archive member has been extracted." | |
| 147 | :type 'hook | |
| 148 | :group 'archive) | |
| 665211a3 KH |
149 | ;; ------------------------------ |
| 150 | ;; Arc archive configuration | |
| 151 | ||
| 152 | ;; We always go via a local file since there seems to be no reliable way | |
| 153 | ;; to extract to stdout without junk getting added. | |
| c38eb0a8 | 154 | (defcustom archive-arc-extract |
| 665211a3 | 155 | '("arc" "x") |
| eeba65ed RS |
156 | "*Program and its options to run in order to extract an arc file member. |
| 157 | Extraction should happen to the current directory. Archive and member | |
| c38eb0a8 RS |
158 | name will be added." |
| 159 | :type '(list (string :tag "Program") | |
| 160 | (repeat :tag "Options" | |
| 161 | :inline t | |
| 162 | (string :format "%v"))) | |
| 163 | :group 'archive-arc) | |
| 164 | ||
| 165 | (defcustom archive-arc-expunge | |
| 665211a3 KH |
166 | '("arc" "d") |
| 167 | "*Program and its options to run in order to delete arc file members. | |
| c38eb0a8 RS |
168 | Archive and member names will be added." |
| 169 | :type '(list (string :tag "Program") | |
| 170 | (repeat :tag "Options" | |
| 171 | :inline t | |
| 172 | (string :format "%v"))) | |
| 173 | :group 'archive-arc) | |
| 174 | ||
| 175 | (defcustom archive-arc-write-file-member | |
| 665211a3 KH |
176 | '("arc" "u") |
| 177 | "*Program and its options to run in order to update an arc file member. | |
| c38eb0a8 RS |
178 | Archive and member name will be added." |
| 179 | :type '(list (string :tag "Program") | |
| 180 | (repeat :tag "Options" | |
| 181 | :inline t | |
| 182 | (string :format "%v"))) | |
| 183 | :group 'archive-arc) | |
| 665211a3 KH |
184 | ;; ------------------------------ |
| 185 | ;; Lzh archive configuration | |
| 186 | ||
| c38eb0a8 | 187 | (defcustom archive-lzh-extract |
| 665211a3 | 188 | '("lha" "pq") |
| eeba65ed RS |
189 | "*Program and its options to run in order to extract an lzh file member. |
| 190 | Extraction should happen to standard output. Archive and member name will | |
| c38eb0a8 RS |
191 | be added." |
| 192 | :type '(list (string :tag "Program") | |
| 193 | (repeat :tag "Options" | |
| 194 | :inline t | |
| 195 | (string :format "%v"))) | |
| 196 | :group 'archive-lzh) | |
| 197 | ||
| 198 | (defcustom archive-lzh-expunge | |
| 665211a3 KH |
199 | '("lha" "d") |
| 200 | "*Program and its options to run in order to delete lzh file members. | |
| c38eb0a8 RS |
201 | Archive and member names will be added." |
| 202 | :type '(list (string :tag "Program") | |
| 203 | (repeat :tag "Options" | |
| 204 | :inline t | |
| 205 | (string :format "%v"))) | |
| 206 | :group 'archive-lzh) | |
| 207 | ||
| 208 | (defcustom archive-lzh-write-file-member | |
| 665211a3 KH |
209 | '("lha" "a") |
| 210 | "*Program and its options to run in order to update an lzh file member. | |
| c38eb0a8 RS |
211 | Archive and member name will be added." |
| 212 | :type '(list (string :tag "Program") | |
| 213 | (repeat :tag "Options" | |
| 214 | :inline t | |
| 215 | (string :format "%v"))) | |
| 216 | :group 'archive-lzh) | |
| 665211a3 KH |
217 | ;; ------------------------------ |
| 218 | ;; Zip archive configuration | |
| 219 | ||
| c38eb0a8 | 220 | (defcustom archive-zip-extract |
| f44a616b RS |
221 | (if (locate-file "unzip" nil 'file-executable-p) |
| 222 | '("unzip" "-qq" "-c") | |
| 223 | (if (locate-file "pkunzip" nil 'file-executable-p) | |
| 224 | '("pkunzip" "-e" "-o-") | |
| 225 | '("unzip" "-qq" "-c"))) | |
| eeba65ed RS |
226 | "*Program and its options to run in order to extract a zip file member. |
| 227 | Extraction should happen to standard output. Archive and member name will | |
| 228 | be added. If `archive-zip-use-pkzip' is non-nil then this program is | |
| c38eb0a8 RS |
229 | expected to extract to a file junking the directory part of the name." |
| 230 | :type '(list (string :tag "Program") | |
| 231 | (repeat :tag "Options" | |
| 232 | :inline t | |
| 233 | (string :format "%v"))) | |
| 234 | :group 'archive-zip) | |
| 665211a3 | 235 | |
| e946e18c | 236 | ;; For several reasons the latter behaviour is not desirable in general. |
| 665211a3 KH |
237 | ;; (1) It uses more disk space. (2) Error checking is worse or non- |
| 238 | ;; existent. (3) It tends to do funny things with other systems' file | |
| 239 | ;; names. | |
| 240 | ||
| c38eb0a8 | 241 | (defcustom archive-zip-expunge |
| f44a616b RS |
242 | (if (locate-file "zip" nil 'file-executable-p) |
| 243 | '("zip" "-d" "-q") | |
| 91f50d61 | 244 | (if (locate-file "pkzip" nil 'file-executable-p) |
| f44a616b RS |
245 | '("pkzip" "-d") |
| 246 | '("zip" "-d" "-q"))) | |
| 665211a3 | 247 | "*Program and its options to run in order to delete zip file members. |
| c38eb0a8 RS |
248 | Archive and member names will be added." |
| 249 | :type '(list (string :tag "Program") | |
| 250 | (repeat :tag "Options" | |
| 251 | :inline t | |
| 252 | (string :format "%v"))) | |
| 253 | :group 'archive-zip) | |
| 254 | ||
| 255 | (defcustom archive-zip-update | |
| f44a616b RS |
256 | (if (locate-file "zip" nil 'file-executable-p) |
| 257 | '("zip" "-q") | |
| 91f50d61 | 258 | (if (locate-file "pkzip" nil 'file-executable-p) |
| f44a616b RS |
259 | '("pkzip" "-u" "-P") |
| 260 | '("zip" "-q"))) | |
| 665211a3 KH |
261 | "*Program and its options to run in order to update a zip file member. |
| 262 | Options should ensure that specified directory will be put into the zip | |
| c38eb0a8 RS |
263 | file. Archive and member name will be added." |
| 264 | :type '(list (string :tag "Program") | |
| 265 | (repeat :tag "Options" | |
| 266 | :inline t | |
| 267 | (string :format "%v"))) | |
| 268 | :group 'archive-zip) | |
| 269 | ||
| 270 | (defcustom archive-zip-update-case | |
| f44a616b RS |
271 | (if (locate-file "zip" nil 'file-executable-p) |
| 272 | '("zip" "-q" "-k") | |
| 91f50d61 | 273 | (if (locate-file "pkzip" nil 'file-executable-p) |
| f44a616b RS |
274 | '("pkzip" "-u" "-P") |
| 275 | '("zip" "-q" "-k"))) | |
| eeba65ed RS |
276 | "*Program and its options to run in order to update a case fiddled zip member. |
| 277 | Options should ensure that specified directory will be put into the zip file. | |
| c38eb0a8 RS |
278 | Archive and member name will be added." |
| 279 | :type '(list (string :tag "Program") | |
| 280 | (repeat :tag "Options" | |
| 281 | :inline t | |
| 282 | (string :format "%v"))) | |
| 283 | :group 'archive-zip) | |
| 284 | ||
| 285 | (defcustom archive-zip-case-fiddle t | |
| 380683ed EZ |
286 | "*If non-nil then zip file members may be down-cased. |
| 287 | This case fiddling will only happen for members created by a system | |
| 288 | that uses caseless file names." | |
| c38eb0a8 RS |
289 | :type 'boolean |
| 290 | :group 'archive-zip) | |
| 665211a3 KH |
291 | ;; ------------------------------ |
| 292 | ;; Zoo archive configuration | |
| 293 | ||
| c38eb0a8 | 294 | (defcustom archive-zoo-extract |
| 665211a3 | 295 | '("zoo" "xpq") |
| eeba65ed RS |
296 | "*Program and its options to run in order to extract a zoo file member. |
| 297 | Extraction should happen to standard output. Archive and member name will | |
| c38eb0a8 RS |
298 | be added." |
| 299 | :type '(list (string :tag "Program") | |
| 300 | (repeat :tag "Options" | |
| 301 | :inline t | |
| 302 | (string :format "%v"))) | |
| 303 | :group 'archive-zoo) | |
| 304 | ||
| 305 | (defcustom archive-zoo-expunge | |
| 665211a3 KH |
306 | '("zoo" "DqPP") |
| 307 | "*Program and its options to run in order to delete zoo file members. | |
| c38eb0a8 RS |
308 | Archive and member names will be added." |
| 309 | :type '(list (string :tag "Program") | |
| 310 | (repeat :tag "Options" | |
| 311 | :inline t | |
| 312 | (string :format "%v"))) | |
| 313 | :group 'archive-zoo) | |
| 314 | ||
| 315 | (defcustom archive-zoo-write-file-member | |
| 665211a3 KH |
316 | '("zoo" "a") |
| 317 | "*Program and its options to run in order to update a zoo file member. | |
| c38eb0a8 RS |
318 | Archive and member name will be added." |
| 319 | :type '(list (string :tag "Program") | |
| 320 | (repeat :tag "Options" | |
| 321 | :inline t | |
| 322 | (string :format "%v"))) | |
| 323 | :group 'archive-zoo) | |
| 665211a3 KH |
324 | ;; ------------------------------------------------------------------------- |
| 325 | ;; Section: Variables | |
| 326 | ||
| 194600a8 JPW |
327 | (defvar archive-subtype nil "Symbol describing archive type.") |
| 328 | (defvar archive-file-list-start nil "Position of first contents line.") | |
| 329 | (defvar archive-file-list-end nil "Position just after last contents line.") | |
| 330 | (defvar archive-proper-file-start nil "Position of real archive's start.") | |
| 331 | (defvar archive-read-only nil "Non-nil if the archive is read-only on disk.") | |
| 332 | (defvar archive-local-name nil "Name of local copy of remote archive.") | |
| 333 | (defvar archive-mode-map nil "Local keymap for archive mode listings.") | |
| 334 | (defvar archive-file-name-indent nil "Column where file names start.") | |
| 335 | ||
| 336 | (defvar archive-remote nil "Non-nil if the archive is outside file system.") | |
| 380683ed EZ |
337 | (make-variable-buffer-local 'archive-remote) |
| 338 | (put 'archive-remote 'permanent-local t) | |
| 339 | ||
| 340 | (defvar archive-member-coding-system nil "Coding-system of archive member.") | |
| 341 | (make-variable-buffer-local 'archive-member-coding-system) | |
| 342 | ||
| 665211a3 | 343 | (defvar archive-alternate-display nil |
| 194600a8 | 344 | "Non-nil when alternate information is shown.") |
| 665211a3 KH |
345 | (make-variable-buffer-local 'archive-alternate-display) |
| 346 | (put 'archive-alternate-display 'permanent-local t) | |
| 347 | ||
| 194600a8 | 348 | (defvar archive-superior-buffer nil "In archive members, points to archive.") |
| 665211a3 KH |
349 | (put 'archive-superior-buffer 'permanent-local t) |
| 350 | ||
| 194600a8 | 351 | (defvar archive-subfile-mode nil "Non-nil in archive member buffers.") |
| 665211a3 KH |
352 | (make-variable-buffer-local 'archive-subfile-mode) |
| 353 | (put 'archive-subfile-mode 'permanent-local t) | |
| 354 | ||
| c4de97b4 RS |
355 | (defvar archive-files nil |
| 356 | "Vector of file descriptors. | |
| 357 | Each descriptor is a vector of the form | |
| 358 | [EXT-FILE-NAME INT-FILE-NAME CASE-FIDDLED MODE ...]") | |
| 665211a3 | 359 | (make-variable-buffer-local 'archive-files) |
| 43f657ea KH |
360 | |
| 361 | (defvar archive-lemacs | |
| 362 | (string-match "\\(Lucid\\|Xemacs\\)" emacs-version) | |
| 363 | "*Non-nil when running under under Lucid Emacs or Xemacs.") | |
| 665211a3 KH |
364 | ;; ------------------------------------------------------------------------- |
| 365 | ;; Section: Support functions. | |
| 366 | ||
| 367 | (defsubst archive-name (suffix) | |
| 368 | (intern (concat "archive-" (symbol-name archive-subtype) "-" suffix))) | |
| 369 | ||
| 370 | (defun archive-l-e (str &optional len) | |
| eeba65ed RS |
371 | "Convert little endian string/vector to integer. |
| 372 | Alternatively, first argument may be a buffer position in the current buffer | |
| 373 | in which case a second argument, length, should be supplied." | |
| 665211a3 KH |
374 | (if (stringp str) |
| 375 | (setq len (length str)) | |
| 376 | (setq str (buffer-substring str (+ str len)))) | |
| 377 | (let ((result 0) | |
| 378 | (i 0)) | |
| 379 | (while (< i len) | |
| 380 | (setq i (1+ i) | |
| 381 | result (+ (ash result 8) (aref str (- len i))))) | |
| 382 | result)) | |
| 383 | ||
| 384 | (defun archive-int-to-mode (mode) | |
| ff39b9a1 SM |
385 | "Turn an integer like 0700 (i.e., 448) into a mode string like -rwx------." |
| 386 | ;; FIXME: merge with tar-grind-file-mode. | |
| 387 | (string | |
| 388 | (if (zerop (logand 8192 mode)) | |
| 389 | (if (zerop (logand 16384 mode)) ?- ?d) | |
| 390 | ?c) ; completeness | |
| 391 | (if (zerop (logand 256 mode)) ?- ?r) | |
| 392 | (if (zerop (logand 128 mode)) ?- ?w) | |
| 393 | (if (zerop (logand 64 mode)) | |
| 394 | (if (zerop (logand 1024 mode)) ?- ?S) | |
| 395 | (if (zerop (logand 1024 mode)) ?x ?s)) | |
| 396 | (if (zerop (logand 32 mode)) ?- ?r) | |
| 397 | (if (zerop (logand 16 mode)) ?- ?w) | |
| 398 | (if (zerop (logand 8 mode)) | |
| 399 | (if (zerop (logand 2048 mode)) ?- ?S) | |
| 400 | (if (zerop (logand 2048 mode)) ?x ?s)) | |
| 401 | (if (zerop (logand 4 mode)) ?- ?r) | |
| 402 | (if (zerop (logand 2 mode)) ?- ?w) | |
| 403 | (if (zerop (logand 1 mode)) ?- ?x))) | |
| 665211a3 KH |
404 | |
| 405 | (defun archive-calc-mode (oldmode newmode &optional error) | |
| eeba65ed | 406 | "From the integer OLDMODE and the string NEWMODE calculate a new file mode. |
| 665211a3 KH |
407 | NEWMODE may be an octal number including a leading zero in which case it |
| 408 | will become the new mode.\n | |
| 409 | NEWMODE may also be a relative specification like \"og-rwx\" in which case | |
| 410 | OLDMODE will be modified accordingly just like chmod(2) would have done.\n | |
| 411 | If optional third argument ERROR is non-nil an error will be signaled if | |
| 412 | the mode is invalid. If ERROR is nil then nil will be returned." | |
| 413 | (cond ((string-match "^0[0-7]*$" newmode) | |
| 414 | (let ((result 0) | |
| 415 | (len (length newmode)) | |
| 416 | (i 1)) | |
| 417 | (while (< i len) | |
| 418 | (setq result (+ (lsh result 3) (aref newmode i) (- ?0)) | |
| 419 | i (1+ i))) | |
| 420 | (logior (logand oldmode 65024) result))) | |
| 421 | ((string-match "^\\([agou]+\\)\\([---+=]\\)\\([rwxst]+\\)$" newmode) | |
| 422 | (let ((who 0) | |
| 423 | (result oldmode) | |
| 424 | (op (aref newmode (match-beginning 2))) | |
| 425 | (bits 0) | |
| 426 | (i (match-beginning 3))) | |
| 427 | (while (< i (match-end 3)) | |
| 428 | (let ((rwx (aref newmode i))) | |
| 429 | (setq bits (logior bits (cond ((= rwx ?r) 292) | |
| 430 | ((= rwx ?w) 146) | |
| 431 | ((= rwx ?x) 73) | |
| 432 | ((= rwx ?s) 3072) | |
| 433 | ((= rwx ?t) 512))) | |
| 434 | i (1+ i)))) | |
| 435 | (while (< who (match-end 1)) | |
| 436 | (let* ((whoc (aref newmode who)) | |
| 437 | (whomask (cond ((= whoc ?a) 4095) | |
| 438 | ((= whoc ?u) 1472) | |
| 439 | ((= whoc ?g) 2104) | |
| 440 | ((= whoc ?o) 7)))) | |
| 441 | (if (= op ?=) | |
| 442 | (setq result (logand result (lognot whomask)))) | |
| 443 | (if (= op ?-) | |
| 444 | (setq result (logand result (lognot (logand whomask bits)))) | |
| 445 | (setq result (logior result (logand whomask bits))))) | |
| 446 | (setq who (1+ who))) | |
| 447 | result)) | |
| 448 | (t | |
| 449 | (if error | |
| 450 | (error "Invalid mode specification: %s" newmode))))) | |
| 451 | ||
| 452 | (defun archive-dosdate (date) | |
| 453 | "Stringify dos packed DATE record." | |
| 454 | (let ((year (+ 1980 (logand (ash date -9) 127))) | |
| 455 | (month (logand (ash date -5) 15)) | |
| 456 | (day (logand date 31))) | |
| 457 | (if (or (> month 12) (< month 1)) | |
| 458 | "" | |
| 459 | (format "%2d-%s-%d" | |
| 460 | day | |
| 461 | (aref ["Jan" "Feb" "Mar" "Apr" "May" "Jun" | |
| 462 | "Jul" "Aug" "Sep" "Oct" "Nov" "Dec"] (1- month)) | |
| 463 | year)))) | |
| 464 | ||
| 465 | (defun archive-dostime (time) | |
| 466 | "Stringify dos packed TIME record." | |
| 467 | (let ((hour (logand (ash time -11) 31)) | |
| 70569550 | 468 | (minute (logand (ash time -5) 63)) |
| 665211a3 KH |
469 | (second (* 2 (logand time 31)))) ; 2 seconds resolution |
| 470 | (format "%02d:%02d:%02d" hour minute second))) | |
| 471 | ||
| 5f23d836 RS |
472 | (defun archive-unixdate (low high) |
| 473 | "Stringify unix (LOW HIGH) date." | |
| 474 | (let ((str (current-time-string (cons high low)))) | |
| 475 | (format "%s-%s-%s" | |
| 476 | (substring str 8 10) | |
| 477 | (substring str 4 7) | |
| 478 | (substring str 20 24)))) | |
| 665211a3 | 479 | |
| 5f23d836 RS |
480 | (defun archive-unixtime (low high) |
| 481 | "Stringify unix (LOW HIGH) time." | |
| 482 | (let ((str (current-time-string (cons high low)))) | |
| 483 | (substring str 11 19))) | |
| 665211a3 KH |
484 | |
| 485 | (defun archive-get-lineno () | |
| 486 | (if (>= (point) archive-file-list-start) | |
| 487 | (count-lines archive-file-list-start | |
| 488 | (save-excursion (beginning-of-line) (point))) | |
| 489 | 0)) | |
| 490 | ||
| 491 | (defun archive-get-descr (&optional noerror) | |
| eeba65ed RS |
492 | "Return the descriptor vector for file at point. |
| 493 | Does not signal an error if optional second argument NOERROR is non-nil." | |
| 665211a3 KH |
494 | (let ((no (archive-get-lineno))) |
| 495 | (if (and (>= (point) archive-file-list-start) | |
| 496 | (< no (length archive-files))) | |
| 497 | (let ((item (aref archive-files no))) | |
| 498 | (if (vectorp item) | |
| 499 | item | |
| 500 | (if (not noerror) | |
| 501 | (error "Entry is not a regular member of the archive")))) | |
| 502 | (if (not noerror) | |
| 503 | (error "Line does not describe a member of the archive"))))) | |
| 504 | ;; ------------------------------------------------------------------------- | |
| 505 | ;; Section: the mode definition | |
| 506 | ||
| 9199a670 | 507 | ;;;###autoload |
| 665211a3 | 508 | (defun archive-mode (&optional force) |
| eeba65ed RS |
509 | "Major mode for viewing an archive file in a dired-like way. |
| 510 | You can move around using the usual cursor motion commands. | |
| 665211a3 KH |
511 | Letters no longer insert themselves. |
| 512 | Type `e' to pull a file out of the archive and into its own buffer; | |
| 513 | or click mouse-2 on the file's line in the archive mode buffer. | |
| 514 | ||
| 515 | If you edit a sub-file of this archive (as with the `e' command) and | |
| 516 | save it, the contents of that buffer will be saved back into the | |
| 517 | archive. | |
| 518 | ||
| 519 | \\{archive-mode-map}" | |
| 520 | ;; This is not interactive because you shouldn't be turning this | |
| 521 | ;; mode on and off. You can corrupt things that way. | |
| 522 | (if (zerop (buffer-size)) | |
| 523 | ;; At present we cannot create archives from scratch | |
| 524 | (funcall default-major-mode) | |
| 525 | (if (and (not force) archive-files) nil | |
| 526 | (let* ((type (archive-find-type)) | |
| ff39b9a1 | 527 | (typename (capitalize (symbol-name type)))) |
| 665211a3 KH |
528 | (kill-all-local-variables) |
| 529 | (make-local-variable 'archive-subtype) | |
| 530 | (setq archive-subtype type) | |
| 531 | ||
| 532 | ;; Buffer contains treated image of file before the file contents | |
| 533 | (make-local-variable 'revert-buffer-function) | |
| 534 | (setq revert-buffer-function 'archive-mode-revert) | |
| 535 | (auto-save-mode 0) | |
| 665211a3 | 536 | |
| 380683ed EZ |
537 | ;; Remote archives are not written by a hook. |
| 538 | (if archive-remote nil | |
| 539 | (make-local-variable 'write-contents-hooks) | |
| 540 | (add-hook 'write-contents-hooks 'archive-write-file)) | |
| 541 | ||
| 665211a3 KH |
542 | (make-local-variable 'require-final-newline) |
| 543 | (setq require-final-newline nil) | |
| 28138f8c RS |
544 | (make-local-variable 'local-enable-local-variables) |
| 545 | (setq local-enable-local-variables nil) | |
| 665211a3 | 546 | |
| 938c6472 RS |
547 | ;; Prevent loss of data when saving the file. |
| 548 | (make-local-variable 'file-precious-flag) | |
| 549 | (setq file-precious-flag t) | |
| 550 | ||
| 665211a3 | 551 | (make-local-variable 'archive-read-only) |
| 380683ed EZ |
552 | ;; Archives which are inside other archives and whose |
| 553 | ;; names are invalid for this OS, can't be written. | |
| 554 | (setq archive-read-only | |
| 555 | (or (not (file-writable-p (buffer-file-name))) | |
| 556 | (and archive-subfile-mode | |
| 4dbbd6a1 | 557 | (string-match file-name-invalid-regexp |
| 380683ed | 558 | (aref archive-subfile-mode 0))))) |
| 665211a3 KH |
559 | |
| 560 | ;; Should we use a local copy when accessing from outside Emacs? | |
| 561 | (make-local-variable 'archive-local-name) | |
| 380683ed EZ |
562 | |
| 563 | ;; An archive can contain another archive whose name is invalid | |
| 564 | ;; on local filesystem. Treat such archives as remote. | |
| 565 | (or archive-remote | |
| 566 | (setq archive-remote | |
| 567 | (or (string-match archive-remote-regexp (buffer-file-name)) | |
| 4dbbd6a1 | 568 | (string-match file-name-invalid-regexp |
| 380683ed | 569 | (buffer-file-name))))) |
| 665211a3 KH |
570 | |
| 571 | (setq major-mode 'archive-mode) | |
| 572 | (setq mode-name (concat typename "-Archive")) | |
| 573 | ;; Run archive-foo-mode-hook and archive-mode-hook | |
| 574 | (run-hooks (archive-name "mode-hook") 'archive-mode-hook) | |
| 575 | (use-local-map archive-mode-map)) | |
| 576 | ||
| 577 | (make-local-variable 'archive-proper-file-start) | |
| 578 | (make-local-variable 'archive-file-list-start) | |
| 579 | (make-local-variable 'archive-file-list-end) | |
| 580 | (make-local-variable 'archive-file-name-indent) | |
| 380683ed | 581 | (archive-summarize nil) |
| 665211a3 KH |
582 | (setq buffer-read-only t)))) |
| 583 | ||
| 584 | ;; Archive mode is suitable only for specially formatted data. | |
| 585 | (put 'archive-mode 'mode-class 'special) | |
| 586 | ;; ------------------------------------------------------------------------- | |
| 587 | ;; Section: Key maps | |
| 588 | ||
| 589 | (if archive-mode-map nil | |
| 590 | (setq archive-mode-map (make-keymap)) | |
| 591 | (suppress-keymap archive-mode-map) | |
| 592 | (define-key archive-mode-map " " 'archive-next-line) | |
| 593 | (define-key archive-mode-map "a" 'archive-alternate-display) | |
| 594 | ;;(define-key archive-mode-map "c" 'archive-copy) | |
| 595 | (define-key archive-mode-map "d" 'archive-flag-deleted) | |
| 596 | (define-key archive-mode-map "\C-d" 'archive-flag-deleted) | |
| 597 | (define-key archive-mode-map "e" 'archive-extract) | |
| 598 | (define-key archive-mode-map "f" 'archive-extract) | |
| 599 | (define-key archive-mode-map "\C-m" 'archive-extract) | |
| 665211a3 KH |
600 | (define-key archive-mode-map "g" 'revert-buffer) |
| 601 | (define-key archive-mode-map "h" 'describe-mode) | |
| 602 | (define-key archive-mode-map "m" 'archive-mark) | |
| 603 | (define-key archive-mode-map "n" 'archive-next-line) | |
| 604 | (define-key archive-mode-map "\C-n" 'archive-next-line) | |
| 605 | (define-key archive-mode-map [down] 'archive-next-line) | |
| 606 | (define-key archive-mode-map "o" 'archive-extract-other-window) | |
| 607 | (define-key archive-mode-map "p" 'archive-previous-line) | |
| d4e672ca | 608 | (define-key archive-mode-map "q" 'quit-window) |
| 665211a3 KH |
609 | (define-key archive-mode-map "\C-p" 'archive-previous-line) |
| 610 | (define-key archive-mode-map [up] 'archive-previous-line) | |
| 611 | (define-key archive-mode-map "r" 'archive-rename-entry) | |
| 612 | (define-key archive-mode-map "u" 'archive-unflag) | |
| 613 | (define-key archive-mode-map "\M-\C-?" 'archive-unmark-all-files) | |
| 614 | (define-key archive-mode-map "v" 'archive-view) | |
| 615 | (define-key archive-mode-map "x" 'archive-expunge) | |
| 616 | (define-key archive-mode-map "\177" 'archive-unflag-backwards) | |
| 617 | (define-key archive-mode-map "E" 'archive-extract-other-window) | |
| 618 | (define-key archive-mode-map "M" 'archive-chmod-entry) | |
| 619 | (define-key archive-mode-map "G" 'archive-chgrp-entry) | |
| 620 | (define-key archive-mode-map "O" 'archive-chown-entry) | |
| 43f657ea KH |
621 | |
| 622 | (if archive-lemacs | |
| 623 | (progn | |
| 624 | ;; Not a nice "solution" but it'll have to do | |
| 625 | (define-key archive-mode-map "\C-xu" 'archive-undo) | |
| 626 | (define-key archive-mode-map "\C-_" 'archive-undo)) | |
| f3446bb2 AS |
627 | (define-key archive-mode-map [remap advertised-undo] 'archive-undo) |
| 628 | (define-key archive-mode-map [remap undo] 'archive-undo)) | |
| 43f657ea KH |
629 | |
| 630 | (define-key archive-mode-map | |
| 631 | (if archive-lemacs 'button2 [mouse-2]) 'archive-mouse-extract) | |
| 632 | ||
| 633 | (if archive-lemacs | |
| 634 | () ; out of luck | |
| 43f657ea KH |
635 | |
| 636 | (define-key archive-mode-map [menu-bar immediate] | |
| 637 | (cons "Immediate" (make-sparse-keymap "Immediate"))) | |
| 638 | (define-key archive-mode-map [menu-bar immediate alternate] | |
| 2890bd0c EZ |
639 | '(menu-item "Alternate Display" archive-alternate-display |
| 640 | :enable (boundp (archive-name "alternate-display")) | |
| 641 | :help "Toggle alternate file info display")) | |
| 43f657ea | 642 | (define-key archive-mode-map [menu-bar immediate view] |
| 2890bd0c EZ |
643 | '(menu-item "View This File" archive-view |
| 644 | :help "Display file at cursor in View Mode")) | |
| 43f657ea | 645 | (define-key archive-mode-map [menu-bar immediate display] |
| 2890bd0c EZ |
646 | '(menu-item "Display in Other Window" archive-display-other-window |
| 647 | :help "Display file at cursor in another window")) | |
| 43f657ea | 648 | (define-key archive-mode-map [menu-bar immediate find-file-other-window] |
| 2890bd0c EZ |
649 | '(menu-item "Find in Other Window" archive-extract-other-window |
| 650 | :help "Edit file at cursor in another window")) | |
| 43f657ea | 651 | (define-key archive-mode-map [menu-bar immediate find-file] |
| 2890bd0c EZ |
652 | '(menu-item "Find This File" archive-extract |
| 653 | :help "Extract file at cursor and edit it")) | |
| 43f657ea KH |
654 | |
| 655 | (define-key archive-mode-map [menu-bar mark] | |
| 656 | (cons "Mark" (make-sparse-keymap "Mark"))) | |
| 657 | (define-key archive-mode-map [menu-bar mark unmark-all] | |
| 2890bd0c EZ |
658 | '(menu-item "Unmark All" archive-unmark-all-files |
| 659 | :help "Unmark all marked files")) | |
| 43f657ea | 660 | (define-key archive-mode-map [menu-bar mark deletion] |
| 2890bd0c EZ |
661 | '(menu-item "Flag" archive-flag-deleted |
| 662 | :help "Flag file at cursor for deletion")) | |
| 43f657ea | 663 | (define-key archive-mode-map [menu-bar mark unmark] |
| 2890bd0c EZ |
664 | '(menu-item "Unflag" archive-unflag |
| 665 | :help "Unmark file at cursor")) | |
| 43f657ea | 666 | (define-key archive-mode-map [menu-bar mark mark] |
| 2890bd0c EZ |
667 | '(menu-item "Mark" archive-mark |
| 668 | :help "Mark file at cursor")) | |
| 43f657ea KH |
669 | |
| 670 | (define-key archive-mode-map [menu-bar operate] | |
| 671 | (cons "Operate" (make-sparse-keymap "Operate"))) | |
| 672 | (define-key archive-mode-map [menu-bar operate chown] | |
| 2890bd0c EZ |
673 | '(menu-item "Change Owner..." archive-chown-entry |
| 674 | :enable (fboundp (archive-name "chown-entry")) | |
| 675 | :help "Change owner of marked files")) | |
| 43f657ea | 676 | (define-key archive-mode-map [menu-bar operate chgrp] |
| 2890bd0c EZ |
677 | '(menu-item "Change Group..." archive-chgrp-entry |
| 678 | :enable (fboundp (archive-name "chgrp-entry")) | |
| 679 | :help "Change group ownership of marked files")) | |
| 43f657ea | 680 | (define-key archive-mode-map [menu-bar operate chmod] |
| 2890bd0c EZ |
681 | '(menu-item "Change Mode..." archive-chmod-entry |
| 682 | :enable (fboundp (archive-name "chmod-entry")) | |
| 683 | :help "Change mode (permissions) of marked files")) | |
| 43f657ea | 684 | (define-key archive-mode-map [menu-bar operate rename] |
| 2890bd0c EZ |
685 | '(menu-item "Rename to..." archive-rename-entry |
| 686 | :enable (fboundp (archive-name "rename-entry")) | |
| 687 | :help "Rename marked files")) | |
| 43f657ea | 688 | ;;(define-key archive-mode-map [menu-bar operate copy] |
| 2890bd0c | 689 | ;; '(menu-item "Copy to..." archive-copy)) |
| 43f657ea | 690 | (define-key archive-mode-map [menu-bar operate expunge] |
| 2890bd0c EZ |
691 | '(menu-item "Expunge Marked Files" archive-expunge |
| 692 | :help "Delete all flagged files from archive")) | |
| 43f657ea | 693 | )) |
| 665211a3 KH |
694 | |
| 695 | (let* ((item1 '(archive-subfile-mode " Archive")) | |
| b48fa570 | 696 | (items (list item1))) |
| 665211a3 KH |
697 | (or (member item1 minor-mode-alist) |
| 698 | (setq minor-mode-alist (append items minor-mode-alist)))) | |
| 699 | ;; ------------------------------------------------------------------------- | |
| 700 | (defun archive-find-type () | |
| 701 | (widen) | |
| 702 | (goto-char (point-min)) | |
| 703 | ;; The funny [] here make it unlikely that the .elc file will be treated | |
| 704 | ;; as an archive by other software. | |
| 705 | (let (case-fold-search) | |
| 706 | (cond ((looking-at "[P]K\003\004") 'zip) | |
| a56636ae | 707 | ((looking-at "..-l[hz][0-9ds]-") 'lzh) |
| 665211a3 KH |
708 | ((looking-at "....................[\334]\247\304\375") 'zoo) |
| 709 | ((and (looking-at "\C-z") ; signature too simple, IMHO | |
| 710 | (string-match "\\.[aA][rR][cC]$" | |
| 711 | (or buffer-file-name (buffer-name)))) | |
| 712 | 'arc) | |
| 1cd7adc6 | 713 | (t (error "Buffer format not recognized"))))) |
| 665211a3 | 714 | ;; ------------------------------------------------------------------------- |
| 380683ed | 715 | (defun archive-summarize (&optional shut-up) |
| 665211a3 KH |
716 | "Parse the contents of the archive file in the current buffer. |
| 717 | Place a dired-like listing on the front; | |
| 718 | then narrow to it, so that only that listing | |
| 380683ed EZ |
719 | is visible (and the real data of the buffer is hidden). |
| 720 | Optional argument SHUT-UP, if non-nil, means don't print messages | |
| 721 | when parsing the archive." | |
| 665211a3 | 722 | (widen) |
| eb93d233 | 723 | (set-buffer-multibyte nil) |
| 665211a3 | 724 | (let (buffer-read-only) |
| 380683ed EZ |
725 | (or shut-up |
| 726 | (message "Parsing archive file...")) | |
| 665211a3 KH |
727 | (buffer-disable-undo (current-buffer)) |
| 728 | (setq archive-files (funcall (archive-name "summarize"))) | |
| 380683ed EZ |
729 | (or shut-up |
| 730 | (message "Parsing archive file...done.")) | |
| 665211a3 KH |
731 | (setq archive-proper-file-start (point-marker)) |
| 732 | (narrow-to-region (point-min) (point)) | |
| 733 | (set-buffer-modified-p nil) | |
| 734 | (buffer-enable-undo)) | |
| 735 | (goto-char archive-file-list-start) | |
| 736 | (archive-next-line 0)) | |
| 737 | ||
| 738 | (defun archive-resummarize () | |
| 739 | "Recreate the contents listing of an archive." | |
| 740 | (let ((modified (buffer-modified-p)) | |
| 741 | (no (archive-get-lineno)) | |
| 742 | buffer-read-only) | |
| 743 | (widen) | |
| 744 | (delete-region (point-min) archive-proper-file-start) | |
| 380683ed | 745 | (archive-summarize t) |
| 665211a3 KH |
746 | (set-buffer-modified-p modified) |
| 747 | (goto-char archive-file-list-start) | |
| 748 | (archive-next-line no))) | |
| 749 | ||
| 750 | (defun archive-summarize-files (files) | |
| c4de97b4 | 751 | "Insert a description of a list of files annotated with proper mouse face." |
| 665211a3 KH |
752 | (setq archive-file-list-start (point-marker)) |
| 753 | (setq archive-file-name-indent (if files (aref (car files) 1) 0)) | |
| 754 | ;; We don't want to do an insert for each element since that takes too | |
| 755 | ;; long when the archive -- which has to be moved in memory -- is large. | |
| 756 | (insert | |
| 757 | (apply | |
| 758 | (function concat) | |
| 759 | (mapcar | |
| 71296446 | 760 | (function |
| 43f657ea KH |
761 | (lambda (fil) |
| 762 | ;; Using `concat' here copies the text also, so we can add | |
| 763 | ;; properties without problems. | |
| 764 | (let ((text (concat (aref fil 0) "\n"))) | |
| 765 | (if archive-lemacs | |
| 766 | () ; out of luck | |
| 27a17229 EZ |
767 | (add-text-properties |
| 768 | (aref fil 1) (aref fil 2) | |
| 769 | '(mouse-face highlight | |
| 770 | help-echo "mouse-2: extract this file into a buffer") | |
| 771 | text)) | |
| 43f657ea | 772 | text))) |
| 665211a3 KH |
773 | files))) |
| 774 | (setq archive-file-list-end (point-marker))) | |
| 775 | ||
| 776 | (defun archive-alternate-display () | |
| eeba65ed RS |
777 | "Toggle alternative display. |
| 778 | To avoid very long lines some archive mode don't show all information. | |
| 779 | This function changes the set of information shown for each files." | |
| 665211a3 KH |
780 | (interactive) |
| 781 | (setq archive-alternate-display (not archive-alternate-display)) | |
| 782 | (archive-resummarize)) | |
| 783 | ;; ------------------------------------------------------------------------- | |
| 784 | ;; Section: Local archive copy handling | |
| 785 | ||
| 380683ed EZ |
786 | (defun archive-unique-fname (fname dir) |
| 787 | "Make sure a file FNAME can be created uniquely in directory DIR. | |
| 788 | ||
| 789 | If FNAME can be uniquely created in DIR, it is returned unaltered. | |
| 790 | If FNAME is something our underlying filesystem can't grok, or if another | |
| 791 | file by that name already exists in DIR, a unique new name is generated | |
| ff39b9a1 | 792 | using `make-temp-file', and the generated name is returned." |
| 380683ed | 793 | (let ((fullname (expand-file-name fname dir)) |
| 4dbbd6a1 | 794 | (alien (string-match file-name-invalid-regexp fname))) |
| 380683ed | 795 | (if (or alien (file-exists-p fullname)) |
| ff39b9a1 | 796 | (make-temp-file |
| 380683ed | 797 | (expand-file-name |
| 9dacec4c KS |
798 | (if (if (fboundp 'msdos-long-file-names) |
| 799 | (not (msdos-long-file-names))) | |
| 380683ed EZ |
800 | "am" |
| 801 | "arc-mode.") | |
| 802 | dir)) | |
| 803 | fullname))) | |
| 804 | ||
| 665211a3 | 805 | (defun archive-maybe-copy (archive) |
| 380683ed EZ |
806 | (let ((coding-system-for-write 'no-conversion)) |
| 807 | (if archive-remote | |
| 808 | (let ((start (point-max)) | |
| 809 | ;; Sometimes ARCHIVE is invalid while its actual name, as | |
| 810 | ;; recorded in its parent archive, is not. For example, an | |
| 811 | ;; archive bar.zip inside another archive foo.zip gets a name | |
| 812 | ;; "foo.zip:bar.zip", which is invalid on DOS/Windows. | |
| 813 | ;; So use the actual name if available. | |
| 814 | (archive-name | |
| 815 | (or (and archive-subfile-mode (aref archive-subfile-mode 0)) | |
| 816 | archive))) | |
| 817 | (make-directory archive-tmpdir t) | |
| aecb322b EZ |
818 | ;; If ARCHIVE includes leading directories, make sure they |
| 819 | ;; exist under archive-tmpdir. | |
| 820 | (let ((arch-dir (file-name-directory archive))) | |
| 821 | (if arch-dir | |
| 822 | (make-directory (concat | |
| 823 | (file-name-as-directory archive-tmpdir) | |
| 824 | arch-dir) | |
| 825 | t))) | |
| 380683ed EZ |
826 | (setq archive-local-name |
| 827 | (archive-unique-fname archive-name archive-tmpdir)) | |
| 828 | (save-restriction | |
| 829 | (widen) | |
| 830 | (write-region start (point-max) archive-local-name nil 'nomessage)) | |
| 831 | archive-local-name) | |
| 832 | (if (buffer-modified-p) (save-buffer)) | |
| 833 | archive))) | |
| 665211a3 KH |
834 | |
| 835 | (defun archive-maybe-update (unchanged) | |
| 836 | (if archive-remote | |
| 837 | (let ((name archive-local-name) | |
| 838 | (modified (buffer-modified-p)) | |
| 380683ed EZ |
839 | (coding-system-for-read 'no-conversion) |
| 840 | (lno (archive-get-lineno)) | |
| 665211a3 KH |
841 | buffer-read-only) |
| 842 | (if unchanged nil | |
| 380683ed | 843 | (setq archive-files nil) |
| 665211a3 KH |
844 | (erase-buffer) |
| 845 | (insert-file-contents name) | |
| 380683ed EZ |
846 | (archive-mode t) |
| 847 | (goto-char archive-file-list-start) | |
| 848 | (archive-next-line lno)) | |
| 665211a3 KH |
849 | (archive-delete-local name) |
| 850 | (if (not unchanged) | |
| 380683ed EZ |
851 | (message |
| 852 | "Buffer `%s' must be saved for changes to take effect" | |
| 853 | (buffer-name (current-buffer)))) | |
| 665211a3 KH |
854 | (set-buffer-modified-p (or modified (not unchanged)))))) |
| 855 | ||
| 856 | (defun archive-delete-local (name) | |
| eeba65ed | 857 | "Delete file NAME and its parents up to and including `archive-tmpdir'." |
| 665211a3 KH |
858 | (let ((again t) |
| 859 | (top (directory-file-name (file-name-as-directory archive-tmpdir)))) | |
| 860 | (condition-case nil | |
| 861 | (delete-file name) | |
| 862 | (error nil)) | |
| 863 | (while again | |
| 864 | (setq name (directory-file-name (file-name-directory name))) | |
| 865 | (condition-case nil | |
| 866 | (delete-directory name) | |
| 867 | (error nil)) | |
| 868 | (if (string= name top) (setq again nil))))) | |
| 869 | ;; ------------------------------------------------------------------------- | |
| 870 | ;; Section: Member extraction | |
| 871 | ||
| eb93d233 EZ |
872 | (defun archive-file-name-handler (op &rest args) |
| 873 | (or (eq op 'file-exists-p) | |
| 874 | (let ((file-name-handler-alist nil)) | |
| 875 | (apply op args)))) | |
| 876 | ||
| 877 | (defun archive-set-buffer-as-visiting-file (filename) | |
| 878 | "Set the current buffer as if it were visiting FILENAME." | |
| 879 | (save-excursion | |
| 880 | (goto-char (point-min)) | |
| 881 | (let ((coding | |
| 882 | (or coding-system-for-read | |
| 883 | (and set-auto-coding-function | |
| 06e3b626 EZ |
884 | (save-excursion |
| 885 | (funcall set-auto-coding-function | |
| 886 | filename (- (point-max) (point-min))))) | |
| eb93d233 EZ |
887 | ;; dos-w32.el defines find-operation-coding-system for |
| 888 | ;; DOS/Windows systems which preserves the coding-system | |
| 889 | ;; of existing files. We want it to act here as if the | |
| 890 | ;; extracted file existed. | |
| 891 | (let ((file-name-handler-alist | |
| 892 | '(("" . archive-file-name-handler)))) | |
| 893 | (car (find-operation-coding-system 'insert-file-contents | |
| 894 | filename t)))))) | |
| 895 | (if (and (not coding-system-for-read) | |
| 896 | (not enable-multibyte-characters)) | |
| 897 | (setq coding | |
| 898 | (coding-system-change-text-conversion coding 'raw-text))) | |
| 899 | (if (and coding | |
| 900 | (not (eq coding 'no-conversion))) | |
| 901 | (decode-coding-region (point-min) (point-max) coding) | |
| 902 | (setq last-coding-system-used coding)) | |
| 903 | (set-buffer-modified-p nil) | |
| 904 | (kill-local-variable 'buffer-file-coding-system) | |
| a38ac4c2 | 905 | (after-insert-file-set-coding (- (point-max) (point-min)))))) |
| eb93d233 | 906 | |
| 665211a3 KH |
907 | (defun archive-mouse-extract (event) |
| 908 | "Extract a file whose name you click on." | |
| 909 | (interactive "e") | |
| 43f657ea KH |
910 | (mouse-set-point event) |
| 911 | (switch-to-buffer | |
| 912 | (save-excursion | |
| 913 | (archive-extract) | |
| 914 | (current-buffer)))) | |
| 665211a3 KH |
915 | |
| 916 | (defun archive-extract (&optional other-window-p) | |
| 917 | "In archive mode, extract this entry of the archive into its own buffer." | |
| 918 | (interactive) | |
| 919 | (let* ((view-p (eq other-window-p 'view)) | |
| 920 | (descr (archive-get-descr)) | |
| 921 | (ename (aref descr 0)) | |
| 922 | (iname (aref descr 1)) | |
| 923 | (archive-buffer (current-buffer)) | |
| 924 | (arcdir default-directory) | |
| 925 | (archive (buffer-file-name)) | |
| 926 | (arcname (file-name-nondirectory archive)) | |
| 927 | (bufname (concat (file-name-nondirectory iname) " (" arcname ")")) | |
| 928 | (extractor (archive-name "extract")) | |
| 380683ed EZ |
929 | ;; Members with file names which aren't valid for the |
| 930 | ;; underlying filesystem, are treated as read-only. | |
| 931 | (read-only-p (or archive-read-only | |
| 932 | view-p | |
| 4dbbd6a1 | 933 | (string-match file-name-invalid-regexp ename))) |
| 665211a3 KH |
934 | (buffer (get-buffer bufname)) |
| 935 | (just-created nil)) | |
| 936 | (if buffer | |
| 937 | nil | |
| 938 | (setq archive (archive-maybe-copy archive)) | |
| 939 | (setq buffer (get-buffer-create bufname)) | |
| 940 | (setq just-created t) | |
| 941 | (save-excursion | |
| 942 | (set-buffer buffer) | |
| 943 | (setq buffer-file-name | |
| 944 | (expand-file-name (concat arcname ":" iname))) | |
| 945 | (setq buffer-file-truename | |
| 946 | (abbreviate-file-name buffer-file-name)) | |
| 947 | ;; Set the default-directory to the dir of the superior buffer. | |
| 948 | (setq default-directory arcdir) | |
| 949 | (make-local-variable 'archive-superior-buffer) | |
| 950 | (setq archive-superior-buffer archive-buffer) | |
| 951 | (make-local-variable 'local-write-file-hooks) | |
| 952 | (add-hook 'local-write-file-hooks 'archive-write-file-member) | |
| 953 | (setq archive-subfile-mode descr) | |
| b48fa570 EZ |
954 | (if (and |
| 955 | (null | |
| eb93d233 EZ |
956 | (let (;; We may have to encode file name arguement for |
| 957 | ;; external programs. | |
| 7e5ad777 KH |
958 | (coding-system-for-write |
| 959 | (and enable-multibyte-characters | |
| 960 | file-name-coding-system)) | |
| eb93d233 EZ |
961 | ;; We read an archive member by no-conversion at |
| 962 | ;; first, then decode appropriately by calling | |
| 963 | ;; archive-set-buffer-as-visiting-file later. | |
| 964 | (coding-system-for-read 'no-conversion)) | |
| 965 | (condition-case err | |
| 966 | (if (fboundp extractor) | |
| 967 | (funcall extractor archive ename) | |
| 968 | (archive-*-extract archive ename | |
| 969 | (symbol-value extractor))) | |
| 970 | (error | |
| 971 | (ding (message "%s" (error-message-string err))) | |
| 972 | nil)))) | |
| b48fa570 EZ |
973 | just-created) |
| 974 | (progn | |
| 975 | (set-buffer-modified-p nil) | |
| 976 | (kill-buffer buffer)) | |
| eb93d233 | 977 | (archive-set-buffer-as-visiting-file ename) |
| b48fa570 EZ |
978 | (goto-char (point-min)) |
| 979 | (rename-buffer bufname) | |
| 980 | (setq buffer-read-only read-only-p) | |
| 981 | (setq buffer-undo-list nil) | |
| 982 | (set-buffer-modified-p nil) | |
| 983 | (setq buffer-saved-size (buffer-size)) | |
| 984 | (normal-mode) | |
| 985 | ;; Just in case an archive occurs inside another archive. | |
| 986 | (if (eq major-mode 'archive-mode) | |
| 380683ed EZ |
987 | (progn |
| 988 | (setq archive-remote t) | |
| 989 | (if read-only-p (setq archive-read-only t)) | |
| 990 | ;; We will write out the archive ourselves if it is | |
| 991 | ;; part of another archive. | |
| 992 | (remove-hook 'write-contents-hooks 'archive-write-file t))) | |
| 993 | (run-hooks 'archive-extract-hooks) | |
| 994 | (if archive-read-only | |
| 995 | (message "Note: altering this archive is not implemented.")))) | |
| 996 | (archive-maybe-update t)) | |
| b48fa570 EZ |
997 | (or (not (buffer-name buffer)) |
| 998 | (progn | |
| 999 | (if view-p | |
| 5f7493ac KH |
1000 | (view-buffer buffer (and just-created 'kill-buffer)) |
| 1001 | (if (eq other-window-p 'display) | |
| 1002 | (display-buffer buffer) | |
| 1003 | (if other-window-p | |
| 1004 | (switch-to-buffer-other-window buffer) | |
| 1005 | (switch-to-buffer buffer)))))))) | |
| 665211a3 KH |
1006 | |
| 1007 | (defun archive-*-extract (archive name command) | |
| 1008 | (let* ((default-directory (file-name-as-directory archive-tmpdir)) | |
| 1009 | (tmpfile (expand-file-name (file-name-nondirectory name) | |
| b48fa570 EZ |
1010 | default-directory)) |
| 1011 | exit-status success) | |
| 665211a3 | 1012 | (make-directory (directory-file-name default-directory) t) |
| b48fa570 EZ |
1013 | (setq exit-status |
| 1014 | (apply 'call-process | |
| 1015 | (car command) | |
| 1016 | nil | |
| 1017 | nil | |
| 1018 | nil | |
| 1019 | (append (cdr command) (list archive name)))) | |
| 1020 | (cond ((and (numberp exit-status) (= exit-status 0)) | |
| 1021 | (if (not (file-exists-p tmpfile)) | |
| 1022 | (ding (message "`%s': no such file or directory" tmpfile)) | |
| 1023 | (insert-file-contents tmpfile) | |
| 1024 | (setq success t))) | |
| 1025 | ((numberp exit-status) | |
| 1026 | (ding | |
| 1027 | (message "`%s' exited with status %d" (car command) exit-status))) | |
| 1028 | ((stringp exit-status) | |
| 1029 | (ding (message "`%s' aborted: %s" (car command) exit-status))) | |
| 1030 | (t | |
| 1031 | (ding (message "`%s' failed" (car command))))) | |
| 1032 | (archive-delete-local tmpfile) | |
| 1033 | success)) | |
| 665211a3 KH |
1034 | |
| 1035 | (defun archive-extract-by-stdout (archive name command) | |
| eb93d233 EZ |
1036 | (apply 'call-process |
| 1037 | (car command) | |
| 1038 | nil | |
| 1039 | t | |
| 1040 | nil | |
| 1041 | (append (cdr command) (list archive name)))) | |
| 665211a3 KH |
1042 | |
| 1043 | (defun archive-extract-other-window () | |
| 1044 | "In archive mode, find this member in another window." | |
| 1045 | (interactive) | |
| 1046 | (archive-extract t)) | |
| 1047 | ||
| 1048 | (defun archive-display-other-window () | |
| 1049 | "In archive mode, display this member in another window." | |
| 1050 | (interactive) | |
| 1051 | (archive-extract 'display)) | |
| 1052 | ||
| 1053 | (defun archive-view () | |
| 1054 | "In archive mode, view the member on this line." | |
| 1055 | (interactive) | |
| 1056 | (archive-extract 'view)) | |
| 1057 | ||
| 1058 | (defun archive-add-new-member (arcbuf name) | |
| eeba65ed | 1059 | "Add current buffer to the archive in ARCBUF naming it NAME." |
| 665211a3 KH |
1060 | (interactive |
| 1061 | (list (get-buffer | |
| 1062 | (read-buffer "Buffer containing archive: " | |
| 1063 | ;; Find first archive buffer and suggest that | |
| 1064 | (let ((bufs (buffer-list))) | |
| 1065 | (while (and bufs (not (eq (save-excursion | |
| 1066 | (set-buffer (car bufs)) | |
| 1067 | major-mode) | |
| 1068 | 'archive-mode))) | |
| 1069 | (setq bufs (cdr bufs))) | |
| 1070 | (if bufs | |
| 1071 | (car bufs) | |
| 1072 | (error "There are no archive buffers"))) | |
| 1073 | t)) | |
| 1074 | (read-string "File name in archive: " | |
| 1075 | (if buffer-file-name | |
| 1076 | (file-name-nondirectory buffer-file-name) | |
| 1077 | "")))) | |
| 1078 | (save-excursion | |
| 1079 | (set-buffer arcbuf) | |
| 1080 | (or (eq major-mode 'archive-mode) | |
| 1081 | (error "Buffer is not an archive buffer")) | |
| 1082 | (if archive-read-only | |
| 1083 | (error "Archive is read-only"))) | |
| 1084 | (if (eq arcbuf (current-buffer)) | |
| 1085 | (error "An archive buffer cannot be added to itself")) | |
| 1086 | (if (string= name "") | |
| 1087 | (error "Archive members may not be given empty names")) | |
| 1088 | (let ((func (save-excursion (set-buffer arcbuf) | |
| 1089 | (archive-name "add-new-member"))) | |
| 1090 | (membuf (current-buffer))) | |
| 1091 | (if (fboundp func) | |
| 1092 | (save-excursion | |
| 1093 | (set-buffer arcbuf) | |
| 1094 | (funcall func buffer-file-name membuf name)) | |
| 1095 | (error "Adding a new member is not supported for this archive type")))) | |
| 1096 | ;; ------------------------------------------------------------------------- | |
| 1097 | ;; Section: IO stuff | |
| 1098 | ||
| 665211a3 | 1099 | (defun archive-write-file-member () |
| b48fa570 EZ |
1100 | (save-excursion |
| 1101 | (save-restriction | |
| 1102 | (message "Updating archive...") | |
| 1103 | (widen) | |
| 1104 | (let ((writer (save-excursion (set-buffer archive-superior-buffer) | |
| 1105 | (archive-name "write-file-member"))) | |
| 1106 | (archive (save-excursion (set-buffer archive-superior-buffer) | |
| 380683ed | 1107 | (archive-maybe-copy (buffer-file-name))))) |
| b48fa570 EZ |
1108 | (if (fboundp writer) |
| 1109 | (funcall writer archive archive-subfile-mode) | |
| 1110 | (archive-*-write-file-member archive | |
| 1111 | archive-subfile-mode | |
| 380683ed EZ |
1112 | (symbol-value writer))) |
| 1113 | (set-buffer-modified-p nil) | |
| 1114 | (message "Updating archive...done")) | |
| b48fa570 | 1115 | (set-buffer archive-superior-buffer) |
| 380683ed EZ |
1116 | (if (not archive-remote) (revert-buffer) (archive-maybe-update nil)))) |
| 1117 | ;; Restore the value of last-coding-system-used, so that basic-save-buffer | |
| 1118 | ;; won't reset the coding-system of this archive member. | |
| 1119 | (if (local-variable-p 'archive-member-coding-system) | |
| 1120 | (setq last-coding-system-used archive-member-coding-system)) | |
| 1121 | t) | |
| 665211a3 KH |
1122 | |
| 1123 | (defun archive-*-write-file-member (archive descr command) | |
| 1124 | (let* ((ename (aref descr 0)) | |
| 1125 | (tmpfile (expand-file-name ename archive-tmpdir)) | |
| 1126 | (top (directory-file-name (file-name-as-directory archive-tmpdir))) | |
| 1127 | (default-directory (file-name-as-directory top))) | |
| 1128 | (unwind-protect | |
| 1129 | (progn | |
| 1130 | (make-directory (file-name-directory tmpfile) t) | |
| 380683ed EZ |
1131 | ;; If the member is itself an archive, write it without |
| 1132 | ;; the dired-like listing we created. | |
| 1133 | (if (eq major-mode 'archive-mode) | |
| 1134 | (archive-write-file tmpfile) | |
| 1135 | (write-region (point-min) (point-max) tmpfile nil 'nomessage)) | |
| 1136 | ;; basic-save-buffer needs last-coding-system-used to have | |
| 1137 | ;; the value used to write the file, so save it before any | |
| 1138 | ;; further processing clobbers it (we restore it in | |
| 1139 | ;; archive-write-file-member, above). | |
| 1140 | (setq archive-member-coding-system last-coding-system-used) | |
| 665211a3 KH |
1141 | (if (aref descr 3) |
| 1142 | ;; Set the file modes, but make sure we can read it. | |
| 1143 | (set-file-modes tmpfile (logior ?\400 (aref descr 3)))) | |
| 7e5ad777 KH |
1144 | (if enable-multibyte-characters |
| 1145 | (setq ename | |
| 1146 | (encode-coding-string ename file-name-coding-system))) | |
| 665211a3 KH |
1147 | (let ((exitcode (apply 'call-process |
| 1148 | (car command) | |
| 1149 | nil | |
| 1150 | nil | |
| 1151 | nil | |
| 1152 | (append (cdr command) (list archive ename))))) | |
| 1153 | (if (equal exitcode 0) | |
| 1154 | nil | |
| 1155 | (error "Updating was unsuccessful (%S)" exitcode)))) | |
| 1156 | (archive-delete-local tmpfile)))) | |
| 1157 | ||
| 380683ed | 1158 | (defun archive-write-file (&optional file) |
| 665211a3 | 1159 | (save-excursion |
| 380683ed EZ |
1160 | (let ((coding-system-for-write 'no-conversion)) |
| 1161 | (write-region archive-proper-file-start (point-max) | |
| 1162 | (or file buffer-file-name) nil t) | |
| 1163 | (set-buffer-modified-p nil)) | |
| 665211a3 KH |
1164 | t)) |
| 1165 | ;; ------------------------------------------------------------------------- | |
| 1166 | ;; Section: Marking and unmarking. | |
| 1167 | ||
| 1168 | (defun archive-flag-deleted (p &optional type) | |
| 1169 | "In archive mode, mark this member to be deleted from the archive. | |
| 1170 | With a prefix argument, mark that many files." | |
| 1171 | (interactive "p") | |
| 1172 | (or type (setq type ?D)) | |
| 1173 | (beginning-of-line) | |
| 1174 | (let ((sign (if (>= p 0) +1 -1)) | |
| 1175 | (modified (buffer-modified-p)) | |
| 1176 | buffer-read-only) | |
| 1177 | (while (not (zerop p)) | |
| 1178 | (if (archive-get-descr t) | |
| 1179 | (progn | |
| 1180 | (delete-char 1) | |
| 1181 | (insert type))) | |
| 1182 | (forward-line sign) | |
| 1183 | (setq p (- p sign))) | |
| 1184 | (set-buffer-modified-p modified)) | |
| 1185 | (archive-next-line 0)) | |
| 1186 | ||
| 1187 | (defun archive-unflag (p) | |
| 1188 | "In archive mode, un-mark this member if it is marked to be deleted. | |
| 1189 | With a prefix argument, un-mark that many files forward." | |
| 1190 | (interactive "p") | |
| 1191 | (archive-flag-deleted p ? )) | |
| 1192 | ||
| 1193 | (defun archive-unflag-backwards (p) | |
| 1194 | "In archive mode, un-mark this member if it is marked to be deleted. | |
| 1195 | With a prefix argument, un-mark that many members backward." | |
| 1196 | (interactive "p") | |
| 1197 | (archive-flag-deleted (- p) ? )) | |
| 1198 | ||
| 1199 | (defun archive-unmark-all-files () | |
| 1200 | "Remove all marks." | |
| 1201 | (interactive) | |
| 1202 | (let ((modified (buffer-modified-p)) | |
| 1203 | buffer-read-only) | |
| 1204 | (save-excursion | |
| 1205 | (goto-char archive-file-list-start) | |
| 1206 | (while (< (point) archive-file-list-end) | |
| 1207 | (or (= (following-char) ? ) | |
| 1208 | (progn (delete-char 1) (insert ? ))) | |
| 1209 | (forward-line 1))) | |
| 1210 | (set-buffer-modified-p modified))) | |
| 1211 | ||
| 1212 | (defun archive-mark (p) | |
| 1213 | "In archive mode, mark this member for group operations. | |
| 1214 | With a prefix argument, mark that many members. | |
| 1215 | Use \\[archive-unmark-all-files] to remove all marks." | |
| 1216 | (interactive "p") | |
| 1217 | (archive-flag-deleted p ?*)) | |
| 1218 | ||
| 1219 | (defun archive-get-marked (mark &optional default) | |
| 1220 | (let (files) | |
| 1221 | (save-excursion | |
| 1222 | (goto-char archive-file-list-start) | |
| 1223 | (while (< (point) archive-file-list-end) | |
| 1224 | (if (= (following-char) mark) | |
| 1225 | (setq files (cons (archive-get-descr) files))) | |
| 1226 | (forward-line 1))) | |
| 1227 | (or (nreverse files) | |
| 1228 | (and default | |
| 1229 | (list (archive-get-descr)))))) | |
| 1230 | ;; ------------------------------------------------------------------------- | |
| 1231 | ;; Section: Operate | |
| 1232 | ||
| 1233 | (defun archive-next-line (p) | |
| 1234 | (interactive "p") | |
| 1235 | (forward-line p) | |
| 1236 | (or (eobp) | |
| 1237 | (forward-char archive-file-name-indent))) | |
| 1238 | ||
| 1239 | (defun archive-previous-line (p) | |
| 1240 | (interactive "p") | |
| 1241 | (archive-next-line (- p))) | |
| 1242 | ||
| 1243 | (defun archive-chmod-entry (new-mode) | |
| eeba65ed | 1244 | "Change the protection bits associated with all marked or this member. |
| 665211a3 KH |
1245 | The new protection bits can either be specified as an octal number or |
| 1246 | as a relative change like \"g+rw\" as for chmod(2)" | |
| 1247 | (interactive "sNew mode (octal or relative): ") | |
| 1248 | (if archive-read-only (error "Archive is read-only")) | |
| 1249 | (let ((func (archive-name "chmod-entry"))) | |
| 1250 | (if (fboundp func) | |
| 1251 | (progn | |
| 1252 | (funcall func new-mode (archive-get-marked ?* t)) | |
| 1253 | (archive-resummarize)) | |
| 1254 | (error "Setting mode bits is not supported for this archive type")))) | |
| 1255 | ||
| 1256 | (defun archive-chown-entry (new-uid) | |
| 1257 | "Change the owner of all marked or this member." | |
| 1258 | (interactive "nNew uid: ") | |
| 1259 | (if archive-read-only (error "Archive is read-only")) | |
| 1260 | (let ((func (archive-name "chown-entry"))) | |
| 1261 | (if (fboundp func) | |
| 1262 | (progn | |
| 1263 | (funcall func new-uid (archive-get-marked ?* t)) | |
| 1264 | (archive-resummarize)) | |
| 1265 | (error "Setting owner is not supported for this archive type")))) | |
| 1266 | ||
| 1267 | (defun archive-chgrp-entry (new-gid) | |
| 1268 | "Change the group of all marked or this member." | |
| 1269 | (interactive "nNew gid: ") | |
| 1270 | (if archive-read-only (error "Archive is read-only")) | |
| 1271 | (let ((func (archive-name "chgrp-entry"))) | |
| 1272 | (if (fboundp func) | |
| 1273 | (progn | |
| 1274 | (funcall func new-gid (archive-get-marked ?* t)) | |
| 1275 | (archive-resummarize)) | |
| 1276 | (error "Setting group is not supported for this archive type")))) | |
| 1277 | ||
| 1278 | (defun archive-expunge () | |
| 1279 | "Do the flagged deletions." | |
| 1280 | (interactive) | |
| 1281 | (let (files) | |
| 1282 | (save-excursion | |
| 1283 | (goto-char archive-file-list-start) | |
| 1284 | (while (< (point) archive-file-list-end) | |
| 1285 | (if (= (following-char) ?D) | |
| 1286 | (setq files (cons (aref (archive-get-descr) 0) files))) | |
| 1287 | (forward-line 1))) | |
| 1288 | (setq files (nreverse files)) | |
| 1289 | (and files | |
| 1290 | (or (not archive-read-only) | |
| 1291 | (error "Archive is read-only")) | |
| 1292 | (or (yes-or-no-p (format "Really delete %d member%s? " | |
| 1293 | (length files) | |
| 1294 | (if (null (cdr files)) "" "s"))) | |
| 1295 | (error "Operation aborted")) | |
| 1296 | (let ((archive (archive-maybe-copy (buffer-file-name))) | |
| 1297 | (expunger (archive-name "expunge"))) | |
| 1298 | (if (fboundp expunger) | |
| 1299 | (funcall expunger archive files) | |
| 1300 | (archive-*-expunge archive files (symbol-value expunger))) | |
| 1301 | (archive-maybe-update nil) | |
| 1302 | (if archive-remote | |
| 1303 | (archive-resummarize) | |
| 1304 | (revert-buffer)))))) | |
| 1305 | ||
| 1306 | (defun archive-*-expunge (archive files command) | |
| 1307 | (apply 'call-process | |
| 1308 | (car command) | |
| 1309 | nil | |
| 1310 | nil | |
| 1311 | nil | |
| 1312 | (append (cdr command) (cons archive files)))) | |
| 1313 | ||
| 1314 | (defun archive-rename-entry (newname) | |
| 1315 | "Change the name associated with this entry in the tar file." | |
| 1316 | (interactive "sNew name: ") | |
| 1317 | (if archive-read-only (error "Archive is read-only")) | |
| 1318 | (if (string= newname "") | |
| 1319 | (error "Archive members may not be given empty names")) | |
| 1320 | (let ((func (archive-name "rename-entry")) | |
| 1321 | (descr (archive-get-descr))) | |
| 1322 | (if (fboundp func) | |
| 1323 | (progn | |
| eb93d233 | 1324 | (funcall func (buffer-file-name) |
| 7e5ad777 KH |
1325 | (if enable-multibyte-characters |
| 1326 | (encode-coding-string newname file-name-coding-system) | |
| 1327 | newname) | |
| eb93d233 | 1328 | descr) |
| 665211a3 KH |
1329 | (archive-resummarize)) |
| 1330 | (error "Renaming is not supported for this archive type")))) | |
| 1331 | ||
| 1332 | ;; Revert the buffer and recompute the dired-like listing. | |
| ad014140 | 1333 | (defun archive-mode-revert (&optional no-auto-save no-confirm) |
| 665211a3 KH |
1334 | (let ((no (archive-get-lineno))) |
| 1335 | (setq archive-files nil) | |
| 380683ed EZ |
1336 | (let ((revert-buffer-function nil) |
| 1337 | (coding-system-for-read 'no-conversion)) | |
| eb93d233 | 1338 | (set-buffer-multibyte nil) |
| 665211a3 KH |
1339 | (revert-buffer t t)) |
| 1340 | (archive-mode) | |
| 1341 | (goto-char archive-file-list-start) | |
| 1342 | (archive-next-line no))) | |
| 1343 | ||
| 1344 | (defun archive-undo () | |
| 1345 | "Undo in an archive buffer. | |
| 1346 | This doesn't recover lost files, it just undoes changes in the buffer itself." | |
| 1347 | (interactive) | |
| 1348 | (let (buffer-read-only) | |
| 1349 | (undo))) | |
| 1350 | ;; ------------------------------------------------------------------------- | |
| 1351 | ;; Section: Arc Archives | |
| 1352 | ||
| 1353 | (defun archive-arc-summarize () | |
| 1354 | (let ((p 1) | |
| 1355 | (totalsize 0) | |
| 1356 | (maxlen 8) | |
| 1357 | files | |
| 1358 | visual) | |
| 1359 | (while (and (< (+ p 29) (point-max)) | |
| 1360 | (= (char-after p) ?\C-z) | |
| 1361 | (> (char-after (1+ p)) 0)) | |
| 1362 | (let* ((namefld (buffer-substring (+ p 2) (+ p 2 13))) | |
| 1363 | (fnlen (or (string-match "\0" namefld) 13)) | |
| 1364 | (efnname (substring namefld 0 fnlen)) | |
| 1365 | (csize (archive-l-e (+ p 15) 4)) | |
| 1366 | (moddate (archive-l-e (+ p 19) 2)) | |
| 1367 | (modtime (archive-l-e (+ p 21) 2)) | |
| 1368 | (ucsize (archive-l-e (+ p 25) 4)) | |
| 1369 | (fiddle (string= efnname (upcase efnname))) | |
| 1370 | (ifnname (if fiddle (downcase efnname) efnname)) | |
| 1371 | (text (format " %8d %-11s %-8s %s" | |
| 1372 | ucsize | |
| 1373 | (archive-dosdate moddate) | |
| 1374 | (archive-dostime modtime) | |
| 1375 | ifnname))) | |
| 1376 | (setq maxlen (max maxlen fnlen) | |
| 1377 | totalsize (+ totalsize ucsize) | |
| 1378 | visual (cons (vector text | |
| 1379 | (- (length text) (length ifnname)) | |
| 1380 | (length text)) | |
| 1381 | visual) | |
| 1382 | files (cons (vector efnname ifnname fiddle nil (1- p)) | |
| 1383 | files) | |
| 1384 | p (+ p 29 csize)))) | |
| 1385 | (goto-char (point-min)) | |
| 1386 | (let ((dash (concat "- -------- ----------- -------- " | |
| 1387 | (make-string maxlen ?-) | |
| 1388 | "\n"))) | |
| 1389 | (insert "M Length Date Time File\n" | |
| 1390 | dash) | |
| 1391 | (archive-summarize-files (nreverse visual)) | |
| 1392 | (insert dash | |
| 1393 | (format " %8d %d file%s" | |
| 1394 | totalsize | |
| 1395 | (length files) | |
| 1396 | (if (= 1 (length files)) "" "s")) | |
| 1397 | "\n")) | |
| 1398 | (apply 'vector (nreverse files)))) | |
| 1399 | ||
| 1400 | (defun archive-arc-rename-entry (archive newname descr) | |
| 1401 | (if (string-match "[:\\\\/]" newname) | |
| 9dacec4c | 1402 | (error "File names in arc files must not contain a directory component")) |
| 665211a3 KH |
1403 | (if (> (length newname) 12) |
| 1404 | (error "File names in arc files are limited to 12 characters")) | |
| 1405 | (let ((name (concat newname (substring "\0\0\0\0\0\0\0\0\0\0\0\0\0" | |
| 1406 | (length newname)))) | |
| 1407 | buffer-read-only) | |
| 1408 | (save-restriction | |
| 1409 | (save-excursion | |
| 1410 | (widen) | |
| eb93d233 | 1411 | (set-buffer-multibyte nil) |
| 665211a3 KH |
1412 | (goto-char (+ archive-proper-file-start (aref descr 4) 2)) |
| 1413 | (delete-char 13) | |
| 1414 | (insert name))))) | |
| 1415 | ;; ------------------------------------------------------------------------- | |
| 1416 | ;; Section: Lzh Archives | |
| 1417 | ||
| 1418 | (defun archive-lzh-summarize () | |
| 1419 | (let ((p 1) | |
| 1420 | (totalsize 0) | |
| 1421 | (maxlen 8) | |
| 1422 | files | |
| 1423 | visual) | |
| 5f23d836 | 1424 | (while (progn (goto-char p) ;beginning of a base header. |
| a56636ae | 1425 | (looking-at "\\(.\\|\n\\)\\(.\\|\n\\)-l[hz][0-9ds]-")) |
| 5f23d836 | 1426 | (let* ((hsize (char-after p)) ;size of the base header (level 0 and 1) |
| a28fe04b RS |
1427 | (csize (archive-l-e (+ p 7) 4)) ;size of a compressed file to follow (level 0 and 2), |
| 1428 | ;size of extended headers + the compressed file to follow (level 1). | |
| 5f23d836 RS |
1429 | (ucsize (archive-l-e (+ p 11) 4)) ;size of an uncompressed file. |
| 1430 | (time1 (archive-l-e (+ p 15) 2)) ;date/time (MSDOS format in level 0, 1 headers | |
| 1431 | (time2 (archive-l-e (+ p 17) 2)) ;and UNIX format in level 2 header.) | |
| 1432 | (hdrlvl (char-after (+ p 20))) ;header level | |
| 1433 | thsize ;total header size (base + extensions) | |
| 1434 | fnlen efnname fiddle ifnname width p2 creator | |
| 1435 | neh ;beginning of next extension header (level 1 and 2) | |
| 1436 | mode modestr uid gid text dir prname | |
| 1437 | gname uname modtime moddate) | |
| 1438 | (if (= hdrlvl 3) (error "can't handle lzh level 3 header type")) | |
| 1439 | (when (or (= hdrlvl 0) (= hdrlvl 1)) | |
| 1440 | (setq fnlen (char-after (+ p 21))) ;filename length | |
| 1441 | (setq efnname (let ((str (buffer-substring (+ p 22) (+ p 22 fnlen)))) ;filename from offset 22 | |
| eb93d233 EZ |
1442 | (if file-name-coding-system |
| 1443 | (decode-coding-string str file-name-coding-system) | |
| 1444 | (string-as-multibyte str)))) | |
| 5f23d836 RS |
1445 | (setq p2 (+ p 22 fnlen))) ; |
| 1446 | (if (= hdrlvl 1) | |
| 1447 | (progn ;specific to level 1 header | |
| 1448 | (setq creator (if (>= (- hsize fnlen) 24) (char-after (+ p2 2)) 0)) | |
| 1449 | (setq neh (+ p2 3))) | |
| 1450 | (if (= hdrlvl 2) | |
| 1451 | (progn ;specific to level 2 header | |
| 1452 | (setq creator (char-after (+ p 23)) ) | |
| 1453 | (setq neh (+ p 24))))) | |
| 1454 | (if neh ;if level 1 or 2 we expect extension headers to follow | |
| 1455 | (let* ((ehsize (archive-l-e neh 2)) ;size of the extension header | |
| 1456 | (etype (char-after (+ neh 2)))) ;extension type | |
| 1457 | (while (not (= ehsize 0)) | |
| a56636ae | 1458 | (cond |
| 5f23d836 RS |
1459 | ((= etype 1) ;file name |
| 1460 | (let ((i (+ neh 3))) | |
| 1461 | (while (< i (+ neh ehsize)) | |
| 1462 | (setq efnname (concat efnname (char-to-string (char-after i)))) | |
| 1463 | (setq i (1+ i))))) | |
| 1464 | ((= etype 2) ;directory name | |
| 1465 | (let ((i (+ neh 3))) | |
| 1466 | (while (< i (+ neh ehsize)) | |
| 9dacec4c | 1467 | (setq dir (concat dir |
| a56636ae RS |
1468 | (if (= (char-after i) |
| 1469 | 255) | |
| 1470 | "/" | |
| 1471 | (char-to-string | |
| 1472 | (char-after i))))) | |
| 1473 | (setq i (1+ i))))) | |
| 5f23d836 RS |
1474 | ((= etype 80) ;Unix file permission |
| 1475 | (setq mode (archive-l-e (+ neh 3) 2))) | |
| 1476 | ((= etype 81) ;UNIX file group/user ID | |
| 1477 | (progn (setq uid (archive-l-e (+ neh 3) 2)) | |
| 1478 | (setq gid (archive-l-e (+ neh 5) 2)))) | |
| 1479 | ((= etype 82) ;UNIX file group name | |
| 1480 | (let ((i (+ neh 3))) | |
| 1481 | (while (< i (+ neh ehsize)) | |
| 1482 | (setq gname (concat gname (char-to-string (char-after i)))) | |
| 1483 | (setq i (1+ i))))) | |
| 1484 | ((= etype 83) ;UNIX file user name | |
| 1485 | (let ((i (+ neh 3))) | |
| 1486 | (while (< i (+ neh ehsize)) | |
| 1487 | (setq uname (concat uname (char-to-string (char-after i)))) | |
| 1488 | (setq i (1+ i))))) | |
| a56636ae | 1489 | ) |
| 5f23d836 RS |
1490 | (setq neh (+ neh ehsize)) |
| 1491 | (setq ehsize (archive-l-e neh 2)) | |
| 1492 | (setq etype (char-after (+ neh 2)))) | |
| 1493 | ;;get total header size for level 1 and 2 headers | |
| 1494 | (setq thsize (- neh p)))) | |
| 1495 | (if (= hdrlvl 0) ;total header size | |
| 1496 | (setq thsize hsize)) | |
| d2c6d975 | 1497 | (setq fiddle (if efnname (string= efnname (upcase efnname)))) |
| 5f23d836 | 1498 | (setq ifnname (if fiddle (downcase efnname) efnname)) |
| 9dacec4c | 1499 | (setq prname (if dir (concat dir ifnname) ifnname)) |
| d2c6d975 | 1500 | (setq width (if prname (string-width prname) 0)) |
| a56636ae | 1501 | (setq modestr (if mode (archive-int-to-mode mode) "??????????")) |
| 5f23d836 RS |
1502 | (setq moddate (if (= hdrlvl 2) |
| 1503 | (archive-unixdate time1 time2) ;level 2 header in UNIX format | |
| 1504 | (archive-dosdate time2))) ;level 0 and 1 header in DOS format | |
| 1505 | (setq modtime (if (= hdrlvl 2) | |
| 1506 | (archive-unixtime time1 time2) | |
| 1507 | (archive-dostime time1))) | |
| a56636ae | 1508 | (setq text (if archive-alternate-display |
| 665211a3 KH |
1509 | (format " %8d %5S %5S %s" |
| 1510 | ucsize | |
| 1511 | (or uid "?") | |
| 1512 | (or gid "?") | |
| 1513 | ifnname) | |
| 1514 | (format " %10s %8d %-11s %-8s %s" | |
| 1515 | modestr | |
| 1516 | ucsize | |
| 5f23d836 RS |
1517 | moddate |
| 1518 | modtime | |
| 1519 | prname))) | |
| eb93d233 | 1520 | (setq maxlen (max maxlen width) |
| 665211a3 KH |
1521 | totalsize (+ totalsize ucsize) |
| 1522 | visual (cons (vector text | |
| 5f23d836 | 1523 | (- (length text) (length prname)) |
| 665211a3 KH |
1524 | (length text)) |
| 1525 | visual) | |
| a56636ae | 1526 | files (cons (vector prname ifnname fiddle mode (1- p)) |
| a28fe04b RS |
1527 | files)) |
| 1528 | (cond ((= hdrlvl 1) | |
| 1529 | (setq p (+ p hsize 2 csize))) | |
| 1530 | ((or (= hdrlvl 2) (= hdrlvl 0)) | |
| 1531 | (setq p (+ p thsize 2 csize)))) | |
| 1532 | )) | |
| 665211a3 | 1533 | (goto-char (point-min)) |
| eb93d233 | 1534 | (set-buffer-multibyte default-enable-multibyte-characters) |
| 665211a3 KH |
1535 | (let ((dash (concat (if archive-alternate-display |
| 1536 | "- -------- ----- ----- " | |
| 1537 | "- ---------- -------- ----------- -------- ") | |
| 1538 | (make-string maxlen ?-) | |
| 1539 | "\n")) | |
| 1540 | (header (if archive-alternate-display | |
| 1541 | "M Length Uid Gid File\n" | |
| 1542 | "M Filemode Length Date Time File\n")) | |
| 1543 | (sumline (if archive-alternate-display | |
| 1544 | " %8d %d file%s" | |
| 1545 | " %8d %d file%s"))) | |
| 1546 | (insert header dash) | |
| 1547 | (archive-summarize-files (nreverse visual)) | |
| 1548 | (insert dash | |
| 1549 | (format sumline | |
| 1550 | totalsize | |
| 1551 | (length files) | |
| 1552 | (if (= 1 (length files)) "" "s")) | |
| 1553 | "\n")) | |
| 1554 | (apply 'vector (nreverse files)))) | |
| 1555 | ||
| 1556 | (defconst archive-lzh-alternate-display t) | |
| 1557 | ||
| 1558 | (defun archive-lzh-extract (archive name) | |
| 1559 | (archive-extract-by-stdout archive name archive-lzh-extract)) | |
| 1560 | ||
| 1561 | (defun archive-lzh-resum (p count) | |
| 1562 | (let ((sum 0)) | |
| 1563 | (while (> count 0) | |
| 1564 | (setq count (1- count) | |
| 1565 | sum (+ sum (char-after p)) | |
| 1566 | p (1+ p))) | |
| 1567 | (logand sum 255))) | |
| 1568 | ||
| 1569 | (defun archive-lzh-rename-entry (archive newname descr) | |
| 1570 | (save-restriction | |
| 1571 | (save-excursion | |
| 1572 | (widen) | |
| eb93d233 | 1573 | (set-buffer-multibyte nil) |
| 665211a3 KH |
1574 | (let* ((p (+ archive-proper-file-start (aref descr 4))) |
| 1575 | (oldhsize (char-after p)) | |
| 1576 | (oldfnlen (char-after (+ p 21))) | |
| 1577 | (newfnlen (length newname)) | |
| 1578 | (newhsize (+ oldhsize newfnlen (- oldfnlen))) | |
| 1579 | buffer-read-only) | |
| 1580 | (if (> newhsize 255) | |
| 1581 | (error "The file name is too long")) | |
| 1582 | (goto-char (+ p 21)) | |
| 1583 | (delete-char (1+ oldfnlen)) | |
| 1584 | (insert newfnlen newname) | |
| 1585 | (goto-char p) | |
| 1586 | (delete-char 2) | |
| 1587 | (insert newhsize (archive-lzh-resum p newhsize)))))) | |
| 1588 | ||
| 1589 | (defun archive-lzh-ogm (newval files errtxt ofs) | |
| 1590 | (save-restriction | |
| 1591 | (save-excursion | |
| 1592 | (widen) | |
| eb93d233 | 1593 | (set-buffer-multibyte nil) |
| 665211a3 KH |
1594 | (while files |
| 1595 | (let* ((fil (car files)) | |
| 1596 | (p (+ archive-proper-file-start (aref fil 4))) | |
| 1597 | (hsize (char-after p)) | |
| 1598 | (fnlen (char-after (+ p 21))) | |
| 1599 | (p2 (+ p 22 fnlen)) | |
| 1600 | (creator (if (>= (- hsize fnlen) 24) (char-after (+ p2 2)) 0)) | |
| 1601 | buffer-read-only) | |
| 1602 | (if (= creator ?U) | |
| 1603 | (progn | |
| 1604 | (or (numberp newval) | |
| 1605 | (setq newval (funcall newval (archive-l-e (+ p2 ofs) 2)))) | |
| 1606 | (goto-char (+ p2 ofs)) | |
| 1607 | (delete-char 2) | |
| 1608 | (insert (logand newval 255) (lsh newval -8)) | |
| 1609 | (goto-char (1+ p)) | |
| 1610 | (delete-char 1) | |
| 1611 | (insert (archive-lzh-resum (1+ p) hsize))) | |
| 1612 | (message "Member %s does not have %s field" | |
| 1613 | (aref fil 1) errtxt))) | |
| 1614 | (setq files (cdr files)))))) | |
| 1615 | ||
| 1616 | (defun archive-lzh-chown-entry (newuid files) | |
| 1617 | (archive-lzh-ogm newuid files "an uid" 10)) | |
| 1618 | ||
| 1619 | (defun archive-lzh-chgrp-entry (newgid files) | |
| 1620 | (archive-lzh-ogm newgid files "a gid" 12)) | |
| 1621 | ||
| 1622 | (defun archive-lzh-chmod-entry (newmode files) | |
| 1623 | (archive-lzh-ogm | |
| 1624 | ;; This should work even though newmode will be dynamically accessed. | |
| 43f657ea | 1625 | (function (lambda (old) (archive-calc-mode old newmode t))) |
| 665211a3 KH |
1626 | files "a unix-style mode" 8)) |
| 1627 | ;; ------------------------------------------------------------------------- | |
| 1628 | ;; Section: Zip Archives | |
| 1629 | ||
| 1630 | (defun archive-zip-summarize () | |
| 1631 | (goto-char (- (point-max) (- 22 18))) | |
| 1632 | (search-backward-regexp "[P]K\005\006") | |
| 8627813e | 1633 | (let ((p (+ (point-min) (archive-l-e (+ (point) 16) 4))) |
| 665211a3 KH |
1634 | (maxlen 8) |
| 1635 | (totalsize 0) | |
| 1636 | files | |
| 1637 | visual) | |
| 1638 | (while (string= "PK\001\002" (buffer-substring p (+ p 4))) | |
| 1639 | (let* ((creator (char-after (+ p 5))) | |
| 1640 | (method (archive-l-e (+ p 10) 2)) | |
| 1641 | (modtime (archive-l-e (+ p 12) 2)) | |
| 1642 | (moddate (archive-l-e (+ p 14) 2)) | |
| 1643 | (ucsize (archive-l-e (+ p 24) 4)) | |
| 1644 | (fnlen (archive-l-e (+ p 28) 2)) | |
| 1645 | (exlen (archive-l-e (+ p 30) 2)) | |
| 845720b9 | 1646 | (fclen (archive-l-e (+ p 32) 2)) |
| 665211a3 | 1647 | (lheader (archive-l-e (+ p 42) 4)) |
| eb93d233 EZ |
1648 | (efnname (let ((str (buffer-substring (+ p 46) (+ p 46 fnlen)))) |
| 1649 | (if file-name-coding-system | |
| 1650 | (decode-coding-string str file-name-coding-system) | |
| 1651 | (string-as-multibyte str)))) | |
| 665211a3 KH |
1652 | (isdir (and (= ucsize 0) |
| 1653 | (string= (file-name-nondirectory efnname) ""))) | |
| 1654 | (mode (cond ((memq creator '(2 3)) ; Unix + VMS | |
| 1655 | (archive-l-e (+ p 40) 2)) | |
| 380683ed | 1656 | ((memq creator '(0 5 6 7 10 11 15)) ; Dos etc. |
| 665211a3 KH |
1657 | (logior ?\444 |
| 1658 | (if isdir (logior 16384 ?\111) 0) | |
| 1659 | (if (zerop | |
| 1660 | (logand 1 (char-after (+ p 38)))) | |
| 1661 | ?\222 0))) | |
| 1662 | (t nil))) | |
| 1663 | (modestr (if mode (archive-int-to-mode mode) "??????????")) | |
| 1664 | (fiddle (and archive-zip-case-fiddle | |
| 380683ed EZ |
1665 | (not (not (memq creator '(0 2 4 5 9)))) |
| 1666 | (string= (upcase efnname) efnname))) | |
| 665211a3 | 1667 | (ifnname (if fiddle (downcase efnname) efnname)) |
| eb93d233 | 1668 | (width (string-width ifnname)) |
| 665211a3 KH |
1669 | (text (format " %10s %8d %-11s %-8s %s" |
| 1670 | modestr | |
| 1671 | ucsize | |
| 1672 | (archive-dosdate moddate) | |
| 1673 | (archive-dostime modtime) | |
| 1674 | ifnname))) | |
| eb93d233 | 1675 | (setq maxlen (max maxlen width) |
| 665211a3 KH |
1676 | totalsize (+ totalsize ucsize) |
| 1677 | visual (cons (vector text | |
| 1678 | (- (length text) (length ifnname)) | |
| 1679 | (length text)) | |
| 1680 | visual) | |
| 1681 | files (cons (if isdir | |
| 1682 | nil | |
| 1683 | (vector efnname ifnname fiddle mode | |
| 1684 | (list (1- p) lheader))) | |
| 1685 | files) | |
| 845720b9 | 1686 | p (+ p 46 fnlen exlen fclen)))) |
| 665211a3 KH |
1687 | (goto-char (point-min)) |
| 1688 | (let ((dash (concat "- ---------- -------- ----------- -------- " | |
| 1689 | (make-string maxlen ?-) | |
| 1690 | "\n"))) | |
| 1691 | (insert "M Filemode Length Date Time File\n" | |
| 1692 | dash) | |
| 1693 | (archive-summarize-files (nreverse visual)) | |
| 1694 | (insert dash | |
| 1695 | (format " %8d %d file%s" | |
| 1696 | totalsize | |
| 1697 | (length files) | |
| 1698 | (if (= 1 (length files)) "" "s")) | |
| 1699 | "\n")) | |
| 1700 | (apply 'vector (nreverse files)))) | |
| 1701 | ||
| 1702 | (defun archive-zip-extract (archive name) | |
| f44a616b | 1703 | (if (equal (car archive-zip-extract) "pkzip") |
| 665211a3 KH |
1704 | (archive-*-extract archive name archive-zip-extract) |
| 1705 | (archive-extract-by-stdout archive name archive-zip-extract))) | |
| 1706 | ||
| 1707 | (defun archive-zip-write-file-member (archive descr) | |
| 1708 | (archive-*-write-file-member | |
| 1709 | archive | |
| 1710 | descr | |
| 1711 | (if (aref descr 2) archive-zip-update-case archive-zip-update))) | |
| 1712 | ||
| 1713 | (defun archive-zip-chmod-entry (newmode files) | |
| 1714 | (save-restriction | |
| 1715 | (save-excursion | |
| 1716 | (widen) | |
| eb93d233 | 1717 | (set-buffer-multibyte nil) |
| 665211a3 KH |
1718 | (while files |
| 1719 | (let* ((fil (car files)) | |
| 1720 | (p (+ archive-proper-file-start (car (aref fil 4)))) | |
| 1721 | (creator (char-after (+ p 5))) | |
| 1722 | (oldmode (aref fil 3)) | |
| 1723 | (newval (archive-calc-mode oldmode newmode t)) | |
| 1724 | buffer-read-only) | |
| 1725 | (cond ((memq creator '(2 3)) ; Unix + VMS | |
| 1726 | (goto-char (+ p 40)) | |
| 1727 | (delete-char 2) | |
| 1728 | (insert (logand newval 255) (lsh newval -8))) | |
| 380683ed | 1729 | ((memq creator '(0 5 6 7 10 11 15)) ; Dos etc. |
| 665211a3 KH |
1730 | (goto-char (+ p 38)) |
| 1731 | (insert (logior (logand (char-after (point)) 254) | |
| 1732 | (logand (logxor 1 (lsh newval -7)) 1))) | |
| 1733 | (delete-char 1)) | |
| 1734 | (t (message "Don't know how to change mode for this member")))) | |
| 1735 | (setq files (cdr files)))))) | |
| 1736 | ;; ------------------------------------------------------------------------- | |
| 1737 | ;; Section: Zoo Archives | |
| 1738 | ||
| 1739 | (defun archive-zoo-summarize () | |
| 1740 | (let ((p (1+ (archive-l-e 25 4))) | |
| 1741 | (maxlen 8) | |
| 1742 | (totalsize 0) | |
| 1743 | files | |
| 1744 | visual) | |
| 1745 | (while (and (string= "\334\247\304\375" (buffer-substring p (+ p 4))) | |
| 1746 | (> (archive-l-e (+ p 6) 4) 0)) | |
| 1747 | (let* ((next (1+ (archive-l-e (+ p 6) 4))) | |
| 1748 | (moddate (archive-l-e (+ p 14) 2)) | |
| 1749 | (modtime (archive-l-e (+ p 16) 2)) | |
| 1750 | (ucsize (archive-l-e (+ p 20) 4)) | |
| 1751 | (namefld (buffer-substring (+ p 38) (+ p 38 13))) | |
| 83c4abcb RS |
1752 | (dirtype (char-after (+ p 4))) |
| 1753 | (lfnlen (if (= dirtype 2) (char-after (+ p 56)) 0)) | |
| 1754 | (ldirlen (if (= dirtype 2) (char-after (+ p 57)) 0)) | |
| 9913653a | 1755 | (fnlen (or (string-match "\0" namefld) 13)) |
| eb93d233 EZ |
1756 | (efnname (let ((str |
| 1757 | (concat | |
| 1758 | (if (> ldirlen 0) | |
| 1759 | (concat (buffer-substring | |
| 1760 | (+ p 58 lfnlen) | |
| 1761 | (+ p 58 lfnlen ldirlen -1)) | |
| 1762 | "/") | |
| 1763 | "") | |
| 1764 | (if (> lfnlen 0) | |
| 1765 | (buffer-substring (+ p 58) | |
| 1766 | (+ p 58 lfnlen -1)) | |
| 1767 | (substring namefld 0 fnlen))))) | |
| 1768 | (if file-name-coding-system | |
| 1769 | (decode-coding-string str file-name-coding-system) | |
| 1770 | (string-as-multibyte str)))) | |
| 83c4abcb | 1771 | (fiddle (and (= lfnlen 0) (string= efnname (upcase efnname)))) |
| 665211a3 | 1772 | (ifnname (if fiddle (downcase efnname) efnname)) |
| eb93d233 | 1773 | (width (string-width ifnname)) |
| 665211a3 KH |
1774 | (text (format " %8d %-11s %-8s %s" |
| 1775 | ucsize | |
| 1776 | (archive-dosdate moddate) | |
| 1777 | (archive-dostime modtime) | |
| 1778 | ifnname))) | |
| 0233a189 | 1779 | (setq maxlen (max maxlen width) |
| 665211a3 KH |
1780 | totalsize (+ totalsize ucsize) |
| 1781 | visual (cons (vector text | |
| 1782 | (- (length text) (length ifnname)) | |
| 1783 | (length text)) | |
| 1784 | visual) | |
| 1785 | files (cons (vector efnname ifnname fiddle nil (1- p)) | |
| 1786 | files) | |
| 1787 | p next))) | |
| 1788 | (goto-char (point-min)) | |
| 1789 | (let ((dash (concat "- -------- ----------- -------- " | |
| 1790 | (make-string maxlen ?-) | |
| 1791 | "\n"))) | |
| 1792 | (insert "M Length Date Time File\n" | |
| 1793 | dash) | |
| 1794 | (archive-summarize-files (nreverse visual)) | |
| 1795 | (insert dash | |
| 1796 | (format " %8d %d file%s" | |
| 1797 | totalsize | |
| 1798 | (length files) | |
| 1799 | (if (= 1 (length files)) "" "s")) | |
| 1800 | "\n")) | |
| 1801 | (apply 'vector (nreverse files)))) | |
| 1802 | ||
| 1803 | (defun archive-zoo-extract (archive name) | |
| 1804 | (archive-extract-by-stdout archive name archive-zoo-extract)) | |
| 1805 | ;; ------------------------------------------------------------------------- | |
| 0d0587b9 RS |
1806 | ;; This line was a mistake; it is kept now for compatibility. |
| 1807 | ;; rms 15 Oct 98 | |
| 665211a3 KH |
1808 | (provide 'archive-mode) |
| 1809 | ||
| 0d0587b9 RS |
1810 | (provide 'arc-mode) |
| 1811 | ||
| ab5796a9 | 1812 | ;;; arch-tag: e5966a01-35ec-4f27-8095-a043a79b457b |
| 1cd7adc6 | 1813 | ;;; arc-mode.el ends here |