HCoop / bpt / emacs.git / blame
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|---|---|---|
| 665211a3 KH |
1 | ;;; arc-mode.el --- simple editing of archives |
| 2 | ||
| 380683ed | 3 | ;; Copyright (C) 1995, 1997, 1998 Free Software Foundation, Inc. |
| 665211a3 | 4 | |
| 0acdb863 | 5 | ;; Author: Morten Welinder <terra@diku.dk> |
| 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. | |
| 80 | ;; | |
| 81 | ;; ZIP A series of (lheader,fil) followed by a "central directory" | |
| 82 | ;; which is a series of (cheader) followed by an end-of- | |
| 83 | ;; central-dir record possibly followed by junk. The e-o-c-d | |
| 84 | ;; links to c-d. cheaders link to lheaders which are basically | |
| 85 | ;; cut-down versions of the cheaders. | |
| 86 | ;; | |
| 87 | ;; ZOO An archive header followed by a series of (header,file). | |
| 88 | ;; Each member header points to the next. The archive is | |
| 89 | ;; terminated by a bogus header with a zero next link. | |
| 90 | ;; ------------------------------------- | |
| 665211a3 KH |
91 | ;; HOOKS: `foo' means one the the supported archive types. |
| 92 | ;; | |
| 93 | ;; archive-mode-hook | |
| 94 | ;; archive-foo-mode-hook | |
| 95 | ;; archive-extract-hooks | |
| 96 | ||
| 97 | ;;; Code: | |
| 98 | ||
| 99 | ;; ------------------------------------------------------------------------- | |
| 100 | ;; Section: Configuration. | |
| 101 | ||
| c38eb0a8 RS |
102 | (defgroup archive nil |
| 103 | "Simple editing of archives." | |
| 104 | :group 'data) | |
| 665211a3 | 105 | |
| c38eb0a8 RS |
106 | (defgroup archive-arc nil |
| 107 | "ARC-specific options to archive." | |
| 108 | :group 'archive) | |
| 109 | ||
| 110 | (defgroup archive-lzh nil | |
| 111 | "LZH-specific options to archive." | |
| 112 | :group 'archive) | |
| 113 | ||
| 114 | (defgroup archive-zip nil | |
| 115 | "ZIP-specific options to archive." | |
| 116 | :group 'archive) | |
| 117 | ||
| 118 | (defgroup archive-zoo nil | |
| 119 | "ZOO-specific options to archive." | |
| 120 | :group 'archive) | |
| 121 | ||
| c38eb0a8 | 122 | (defcustom archive-tmpdir |
| 380683ed EZ |
123 | (make-temp-name |
| 124 | (expand-file-name (if (eq system-type 'ms-dos) "ar" "archive.tmp") | |
| 0adf5079 | 125 | temporary-file-directory)) |
| c38eb0a8 RS |
126 | "*Directory for temporary files made by arc-mode.el" |
| 127 | :type 'directory | |
| 128 | :group 'archive) | |
| 665211a3 | 129 | |
| c38eb0a8 | 130 | (defcustom archive-remote-regexp "^/[^/:]*[^/:.]:" |
| eeba65ed RS |
131 | "*Regexp recognizing archive files names that are not local. |
| 132 | A non-local file is one whose file name is not proper outside Emacs. | |
| c38eb0a8 RS |
133 | A local copy of the archive will be used when updating." |
| 134 | :type 'regexp | |
| 135 | :group 'archive) | |
| 136 | ||
| 137 | (defcustom archive-extract-hooks nil | |
| 138 | "*Hooks to run when an archive member has been extracted." | |
| 139 | :type 'hook | |
| 140 | :group 'archive) | |
| 665211a3 KH |
141 | ;; ------------------------------ |
| 142 | ;; Arc archive configuration | |
| 143 | ||
| 144 | ;; We always go via a local file since there seems to be no reliable way | |
| 145 | ;; to extract to stdout without junk getting added. | |
| c38eb0a8 | 146 | (defcustom archive-arc-extract |
| 665211a3 | 147 | '("arc" "x") |
| eeba65ed RS |
148 | "*Program and its options to run in order to extract an arc file member. |
| 149 | Extraction should happen to the current directory. Archive and member | |
| c38eb0a8 RS |
150 | name will be added." |
| 151 | :type '(list (string :tag "Program") | |
| 152 | (repeat :tag "Options" | |
| 153 | :inline t | |
| 154 | (string :format "%v"))) | |
| 155 | :group 'archive-arc) | |
| 156 | ||
| 157 | (defcustom archive-arc-expunge | |
| 665211a3 KH |
158 | '("arc" "d") |
| 159 | "*Program and its options to run in order to delete arc file members. | |
| c38eb0a8 RS |
160 | Archive and member names will be added." |
| 161 | :type '(list (string :tag "Program") | |
| 162 | (repeat :tag "Options" | |
| 163 | :inline t | |
| 164 | (string :format "%v"))) | |
| 165 | :group 'archive-arc) | |
| 166 | ||
| 167 | (defcustom archive-arc-write-file-member | |
| 665211a3 KH |
168 | '("arc" "u") |
| 169 | "*Program and its options to run in order to update an arc file member. | |
| c38eb0a8 RS |
170 | Archive and member name will be added." |
| 171 | :type '(list (string :tag "Program") | |
| 172 | (repeat :tag "Options" | |
| 173 | :inline t | |
| 174 | (string :format "%v"))) | |
| 175 | :group 'archive-arc) | |
| 665211a3 KH |
176 | ;; ------------------------------ |
| 177 | ;; Lzh archive configuration | |
| 178 | ||
| c38eb0a8 | 179 | (defcustom archive-lzh-extract |
| 665211a3 | 180 | '("lha" "pq") |
| eeba65ed RS |
181 | "*Program and its options to run in order to extract an lzh file member. |
| 182 | Extraction should happen to standard output. Archive and member name will | |
| c38eb0a8 RS |
183 | be added." |
| 184 | :type '(list (string :tag "Program") | |
| 185 | (repeat :tag "Options" | |
| 186 | :inline t | |
| 187 | (string :format "%v"))) | |
| 188 | :group 'archive-lzh) | |
| 189 | ||
| 190 | (defcustom archive-lzh-expunge | |
| 665211a3 KH |
191 | '("lha" "d") |
| 192 | "*Program and its options to run in order to delete lzh file members. | |
| c38eb0a8 RS |
193 | Archive and member names will be added." |
| 194 | :type '(list (string :tag "Program") | |
| 195 | (repeat :tag "Options" | |
| 196 | :inline t | |
| 197 | (string :format "%v"))) | |
| 198 | :group 'archive-lzh) | |
| 199 | ||
| 200 | (defcustom archive-lzh-write-file-member | |
| 665211a3 KH |
201 | '("lha" "a") |
| 202 | "*Program and its options to run in order to update an lzh file member. | |
| c38eb0a8 RS |
203 | Archive and member name will be added." |
| 204 | :type '(list (string :tag "Program") | |
| 205 | (repeat :tag "Options" | |
| 206 | :inline t | |
| 207 | (string :format "%v"))) | |
| 208 | :group 'archive-lzh) | |
| 665211a3 KH |
209 | ;; ------------------------------ |
| 210 | ;; Zip archive configuration | |
| 211 | ||
| c38eb0a8 | 212 | (defcustom archive-zip-use-pkzip (memq system-type '(ms-dos windows-nt)) |
| eeba65ed | 213 | "*If non-nil then pkzip option are used instead of zip options. |
| c38eb0a8 RS |
214 | Only set to true for msdog systems!" |
| 215 | :type 'boolean | |
| 216 | :group 'archive-zip) | |
| 665211a3 | 217 | |
| c38eb0a8 | 218 | (defcustom archive-zip-extract |
| b48fa570 | 219 | (if archive-zip-use-pkzip '("pkunzip" "-e" "-o-") '("unzip" "-qq" "-c")) |
| eeba65ed RS |
220 | "*Program and its options to run in order to extract a zip file member. |
| 221 | Extraction should happen to standard output. Archive and member name will | |
| 222 | be added. If `archive-zip-use-pkzip' is non-nil then this program is | |
| c38eb0a8 RS |
223 | expected to extract to a file junking the directory part of the name." |
| 224 | :type '(list (string :tag "Program") | |
| 225 | (repeat :tag "Options" | |
| 226 | :inline t | |
| 227 | (string :format "%v"))) | |
| 228 | :group 'archive-zip) | |
| 665211a3 | 229 | |
| e946e18c | 230 | ;; For several reasons the latter behaviour is not desirable in general. |
| 665211a3 KH |
231 | ;; (1) It uses more disk space. (2) Error checking is worse or non- |
| 232 | ;; existent. (3) It tends to do funny things with other systems' file | |
| 233 | ;; names. | |
| 234 | ||
| c38eb0a8 | 235 | (defcustom archive-zip-expunge |
| 665211a3 KH |
236 | (if archive-zip-use-pkzip '("pkzip" "-d") '("zip" "-d" "-q")) |
| 237 | "*Program and its options to run in order to delete zip file members. | |
| c38eb0a8 RS |
238 | Archive and member names will be added." |
| 239 | :type '(list (string :tag "Program") | |
| 240 | (repeat :tag "Options" | |
| 241 | :inline t | |
| 242 | (string :format "%v"))) | |
| 243 | :group 'archive-zip) | |
| 244 | ||
| 245 | (defcustom archive-zip-update | |
| 665211a3 KH |
246 | (if archive-zip-use-pkzip '("pkzip" "-u") '("zip" "-q")) |
| 247 | "*Program and its options to run in order to update a zip file member. | |
| 248 | Options should ensure that specified directory will be put into the zip | |
| c38eb0a8 RS |
249 | file. Archive and member name will be added." |
| 250 | :type '(list (string :tag "Program") | |
| 251 | (repeat :tag "Options" | |
| 252 | :inline t | |
| 253 | (string :format "%v"))) | |
| 254 | :group 'archive-zip) | |
| 255 | ||
| 256 | (defcustom archive-zip-update-case | |
| 665211a3 | 257 | (if archive-zip-use-pkzip archive-zip-update '("zip" "-q" "-k")) |
| eeba65ed RS |
258 | "*Program and its options to run in order to update a case fiddled zip member. |
| 259 | Options should ensure that specified directory will be put into the zip file. | |
| c38eb0a8 RS |
260 | Archive and member name will be added." |
| 261 | :type '(list (string :tag "Program") | |
| 262 | (repeat :tag "Options" | |
| 263 | :inline t | |
| 264 | (string :format "%v"))) | |
| 265 | :group 'archive-zip) | |
| 266 | ||
| 267 | (defcustom archive-zip-case-fiddle t | |
| 380683ed EZ |
268 | "*If non-nil then zip file members may be down-cased. |
| 269 | This case fiddling will only happen for members created by a system | |
| 270 | that uses caseless file names." | |
| c38eb0a8 RS |
271 | :type 'boolean |
| 272 | :group 'archive-zip) | |
| 665211a3 KH |
273 | ;; ------------------------------ |
| 274 | ;; Zoo archive configuration | |
| 275 | ||
| c38eb0a8 | 276 | (defcustom archive-zoo-extract |
| 665211a3 | 277 | '("zoo" "xpq") |
| eeba65ed RS |
278 | "*Program and its options to run in order to extract a zoo file member. |
| 279 | Extraction should happen to standard output. Archive and member name will | |
| c38eb0a8 RS |
280 | be added." |
| 281 | :type '(list (string :tag "Program") | |
| 282 | (repeat :tag "Options" | |
| 283 | :inline t | |
| 284 | (string :format "%v"))) | |
| 285 | :group 'archive-zoo) | |
| 286 | ||
| 287 | (defcustom archive-zoo-expunge | |
| 665211a3 KH |
288 | '("zoo" "DqPP") |
| 289 | "*Program and its options to run in order to delete zoo file members. | |
| c38eb0a8 RS |
290 | Archive and member names will be added." |
| 291 | :type '(list (string :tag "Program") | |
| 292 | (repeat :tag "Options" | |
| 293 | :inline t | |
| 294 | (string :format "%v"))) | |
| 295 | :group 'archive-zoo) | |
| 296 | ||
| 297 | (defcustom archive-zoo-write-file-member | |
| 665211a3 KH |
298 | '("zoo" "a") |
| 299 | "*Program and its options to run in order to update a zoo file member. | |
| c38eb0a8 RS |
300 | Archive and member name will be added." |
| 301 | :type '(list (string :tag "Program") | |
| 302 | (repeat :tag "Options" | |
| 303 | :inline t | |
| 304 | (string :format "%v"))) | |
| 305 | :group 'archive-zoo) | |
| 665211a3 KH |
306 | ;; ------------------------------------------------------------------------- |
| 307 | ;; Section: Variables | |
| 308 | ||
| 309 | (defvar archive-subtype nil "*Symbol describing archive type.") | |
| 310 | (defvar archive-file-list-start nil "*Position of first contents line.") | |
| 311 | (defvar archive-file-list-end nil "*Position just after last contents line.") | |
| 312 | (defvar archive-proper-file-start nil "*Position of real archive's start.") | |
| 313 | (defvar archive-read-only nil "*Non-nil if the archive is read-only on disk.") | |
| 665211a3 KH |
314 | (defvar archive-local-name nil "*Name of local copy of remote archive.") |
| 315 | (defvar archive-mode-map nil "*Local keymap for archive mode listings.") | |
| 316 | (defvar archive-file-name-indent nil "*Column where file names start.") | |
| 317 | ||
| 380683ed EZ |
318 | (defvar archive-remote nil "*Non-nil if the archive is outside file system.") |
| 319 | (make-variable-buffer-local 'archive-remote) | |
| 320 | (put 'archive-remote 'permanent-local t) | |
| 321 | ||
| 322 | (defvar archive-member-coding-system nil "Coding-system of archive member.") | |
| 323 | (make-variable-buffer-local 'archive-member-coding-system) | |
| 324 | ||
| 665211a3 KH |
325 | (defvar archive-alternate-display nil |
| 326 | "*Non-nil when alternate information is shown.") | |
| 327 | (make-variable-buffer-local 'archive-alternate-display) | |
| 328 | (put 'archive-alternate-display 'permanent-local t) | |
| 329 | ||
| 330 | (defvar archive-superior-buffer nil "*In archive members, points to archive.") | |
| 331 | (put 'archive-superior-buffer 'permanent-local t) | |
| 332 | ||
| 333 | (defvar archive-subfile-mode nil "*Non-nil in archive member buffers.") | |
| 334 | (make-variable-buffer-local 'archive-subfile-mode) | |
| 335 | (put 'archive-subfile-mode 'permanent-local t) | |
| 336 | ||
| c4de97b4 RS |
337 | (defvar archive-files nil |
| 338 | "Vector of file descriptors. | |
| 339 | Each descriptor is a vector of the form | |
| 340 | [EXT-FILE-NAME INT-FILE-NAME CASE-FIDDLED MODE ...]") | |
| 665211a3 | 341 | (make-variable-buffer-local 'archive-files) |
| 43f657ea KH |
342 | |
| 343 | (defvar archive-lemacs | |
| 344 | (string-match "\\(Lucid\\|Xemacs\\)" emacs-version) | |
| 345 | "*Non-nil when running under under Lucid Emacs or Xemacs.") | |
| 665211a3 KH |
346 | ;; ------------------------------------------------------------------------- |
| 347 | ;; Section: Support functions. | |
| 348 | ||
| 349 | (defsubst archive-name (suffix) | |
| 350 | (intern (concat "archive-" (symbol-name archive-subtype) "-" suffix))) | |
| 351 | ||
| 352 | (defun archive-l-e (str &optional len) | |
| eeba65ed RS |
353 | "Convert little endian string/vector to integer. |
| 354 | Alternatively, first argument may be a buffer position in the current buffer | |
| 355 | in which case a second argument, length, should be supplied." | |
| 665211a3 KH |
356 | (if (stringp str) |
| 357 | (setq len (length str)) | |
| 358 | (setq str (buffer-substring str (+ str len)))) | |
| 359 | (let ((result 0) | |
| 360 | (i 0)) | |
| 361 | (while (< i len) | |
| 362 | (setq i (1+ i) | |
| 363 | result (+ (ash result 8) (aref str (- len i))))) | |
| 364 | result)) | |
| 365 | ||
| 366 | (defun archive-int-to-mode (mode) | |
| 367 | "Turn an integer like 0700 (i.e., 448) into a mode string like -rwx------" | |
| 368 | (let ((str (make-string 10 ?-))) | |
| 369 | (or (zerop (logand 16384 mode)) (aset str 0 ?d)) | |
| 370 | (or (zerop (logand 8192 mode)) (aset str 0 ?c)) ; completeness | |
| 371 | (or (zerop (logand 256 mode)) (aset str 1 ?r)) | |
| 372 | (or (zerop (logand 128 mode)) (aset str 2 ?w)) | |
| 373 | (or (zerop (logand 64 mode)) (aset str 3 ?x)) | |
| 374 | (or (zerop (logand 32 mode)) (aset str 4 ?r)) | |
| 375 | (or (zerop (logand 16 mode)) (aset str 5 ?w)) | |
| 376 | (or (zerop (logand 8 mode)) (aset str 6 ?x)) | |
| 377 | (or (zerop (logand 4 mode)) (aset str 7 ?r)) | |
| 378 | (or (zerop (logand 2 mode)) (aset str 8 ?w)) | |
| 379 | (or (zerop (logand 1 mode)) (aset str 9 ?x)) | |
| 380 | (or (zerop (logand 1024 mode)) (aset str 3 (if (zerop (logand 64 mode)) | |
| 381 | ?S ?s))) | |
| 382 | (or (zerop (logand 2048 mode)) (aset str 6 (if (zerop (logand 8 mode)) | |
| 383 | ?S ?s))) | |
| 384 | str)) | |
| 385 | ||
| 386 | (defun archive-calc-mode (oldmode newmode &optional error) | |
| eeba65ed | 387 | "From the integer OLDMODE and the string NEWMODE calculate a new file mode. |
| 665211a3 KH |
388 | NEWMODE may be an octal number including a leading zero in which case it |
| 389 | will become the new mode.\n | |
| 390 | NEWMODE may also be a relative specification like \"og-rwx\" in which case | |
| 391 | OLDMODE will be modified accordingly just like chmod(2) would have done.\n | |
| 392 | If optional third argument ERROR is non-nil an error will be signaled if | |
| 393 | the mode is invalid. If ERROR is nil then nil will be returned." | |
| 394 | (cond ((string-match "^0[0-7]*$" newmode) | |
| 395 | (let ((result 0) | |
| 396 | (len (length newmode)) | |
| 397 | (i 1)) | |
| 398 | (while (< i len) | |
| 399 | (setq result (+ (lsh result 3) (aref newmode i) (- ?0)) | |
| 400 | i (1+ i))) | |
| 401 | (logior (logand oldmode 65024) result))) | |
| 402 | ((string-match "^\\([agou]+\\)\\([---+=]\\)\\([rwxst]+\\)$" newmode) | |
| 403 | (let ((who 0) | |
| 404 | (result oldmode) | |
| 405 | (op (aref newmode (match-beginning 2))) | |
| 406 | (bits 0) | |
| 407 | (i (match-beginning 3))) | |
| 408 | (while (< i (match-end 3)) | |
| 409 | (let ((rwx (aref newmode i))) | |
| 410 | (setq bits (logior bits (cond ((= rwx ?r) 292) | |
| 411 | ((= rwx ?w) 146) | |
| 412 | ((= rwx ?x) 73) | |
| 413 | ((= rwx ?s) 3072) | |
| 414 | ((= rwx ?t) 512))) | |
| 415 | i (1+ i)))) | |
| 416 | (while (< who (match-end 1)) | |
| 417 | (let* ((whoc (aref newmode who)) | |
| 418 | (whomask (cond ((= whoc ?a) 4095) | |
| 419 | ((= whoc ?u) 1472) | |
| 420 | ((= whoc ?g) 2104) | |
| 421 | ((= whoc ?o) 7)))) | |
| 422 | (if (= op ?=) | |
| 423 | (setq result (logand result (lognot whomask)))) | |
| 424 | (if (= op ?-) | |
| 425 | (setq result (logand result (lognot (logand whomask bits)))) | |
| 426 | (setq result (logior result (logand whomask bits))))) | |
| 427 | (setq who (1+ who))) | |
| 428 | result)) | |
| 429 | (t | |
| 430 | (if error | |
| 431 | (error "Invalid mode specification: %s" newmode))))) | |
| 432 | ||
| 433 | (defun archive-dosdate (date) | |
| 434 | "Stringify dos packed DATE record." | |
| 435 | (let ((year (+ 1980 (logand (ash date -9) 127))) | |
| 436 | (month (logand (ash date -5) 15)) | |
| 437 | (day (logand date 31))) | |
| 438 | (if (or (> month 12) (< month 1)) | |
| 439 | "" | |
| 440 | (format "%2d-%s-%d" | |
| 441 | day | |
| 442 | (aref ["Jan" "Feb" "Mar" "Apr" "May" "Jun" | |
| 443 | "Jul" "Aug" "Sep" "Oct" "Nov" "Dec"] (1- month)) | |
| 444 | year)))) | |
| 445 | ||
| 446 | (defun archive-dostime (time) | |
| 447 | "Stringify dos packed TIME record." | |
| 448 | (let ((hour (logand (ash time -11) 31)) | |
| 449 | (minute (logand (ash time -5) 53)) | |
| 450 | (second (* 2 (logand time 31)))) ; 2 seconds resolution | |
| 451 | (format "%02d:%02d:%02d" hour minute second))) | |
| 452 | ||
| 453 | ;;(defun archive-unixdate (low high) | |
| 454 | ;; "Stringify unix (LOW HIGH) date." | |
| 455 | ;; (let ((str (current-time-string (cons high low)))) | |
| 456 | ;; (format "%s-%s-%s" | |
| 457 | ;; (substring str 8 9) | |
| 458 | ;; (substring str 4 7) | |
| 459 | ;; (substring str 20 24)))) | |
| 460 | ||
| 461 | ;;(defun archive-unixtime (low high) | |
| 462 | ;; "Stringify unix (LOW HIGH) time." | |
| 463 | ;; (let ((str (current-time-string (cons high low)))) | |
| 464 | ;; (substring str 11 19))) | |
| 465 | ||
| 466 | (defun archive-get-lineno () | |
| 467 | (if (>= (point) archive-file-list-start) | |
| 468 | (count-lines archive-file-list-start | |
| 469 | (save-excursion (beginning-of-line) (point))) | |
| 470 | 0)) | |
| 471 | ||
| 472 | (defun archive-get-descr (&optional noerror) | |
| eeba65ed RS |
473 | "Return the descriptor vector for file at point. |
| 474 | Does not signal an error if optional second argument NOERROR is non-nil." | |
| 665211a3 KH |
475 | (let ((no (archive-get-lineno))) |
| 476 | (if (and (>= (point) archive-file-list-start) | |
| 477 | (< no (length archive-files))) | |
| 478 | (let ((item (aref archive-files no))) | |
| 479 | (if (vectorp item) | |
| 480 | item | |
| 481 | (if (not noerror) | |
| 482 | (error "Entry is not a regular member of the archive")))) | |
| 483 | (if (not noerror) | |
| 484 | (error "Line does not describe a member of the archive"))))) | |
| 485 | ;; ------------------------------------------------------------------------- | |
| 486 | ;; Section: the mode definition | |
| 487 | ||
| 9199a670 | 488 | ;;;###autoload |
| 665211a3 | 489 | (defun archive-mode (&optional force) |
| eeba65ed RS |
490 | "Major mode for viewing an archive file in a dired-like way. |
| 491 | You can move around using the usual cursor motion commands. | |
| 665211a3 KH |
492 | Letters no longer insert themselves. |
| 493 | Type `e' to pull a file out of the archive and into its own buffer; | |
| 494 | or click mouse-2 on the file's line in the archive mode buffer. | |
| 495 | ||
| 496 | If you edit a sub-file of this archive (as with the `e' command) and | |
| 497 | save it, the contents of that buffer will be saved back into the | |
| 498 | archive. | |
| 499 | ||
| 500 | \\{archive-mode-map}" | |
| 501 | ;; This is not interactive because you shouldn't be turning this | |
| 502 | ;; mode on and off. You can corrupt things that way. | |
| 503 | (if (zerop (buffer-size)) | |
| 504 | ;; At present we cannot create archives from scratch | |
| 505 | (funcall default-major-mode) | |
| 506 | (if (and (not force) archive-files) nil | |
| 507 | (let* ((type (archive-find-type)) | |
| 508 | (typename (copy-sequence (symbol-name type)))) | |
| 509 | (aset typename 0 (upcase (aref typename 0))) | |
| 510 | (kill-all-local-variables) | |
| 511 | (make-local-variable 'archive-subtype) | |
| 512 | (setq archive-subtype type) | |
| 513 | ||
| 514 | ;; Buffer contains treated image of file before the file contents | |
| 515 | (make-local-variable 'revert-buffer-function) | |
| 516 | (setq revert-buffer-function 'archive-mode-revert) | |
| 517 | (auto-save-mode 0) | |
| 665211a3 | 518 | |
| 380683ed EZ |
519 | ;; Remote archives are not written by a hook. |
| 520 | (if archive-remote nil | |
| 521 | (make-local-variable 'write-contents-hooks) | |
| 522 | (add-hook 'write-contents-hooks 'archive-write-file)) | |
| 523 | ||
| 665211a3 KH |
524 | (make-local-variable 'require-final-newline) |
| 525 | (setq require-final-newline nil) | |
| 526 | (make-local-variable 'enable-local-variables) | |
| 527 | (setq enable-local-variables nil) | |
| 665211a3 KH |
528 | |
| 529 | (make-local-variable 'archive-read-only) | |
| 380683ed EZ |
530 | ;; Archives which are inside other archives and whose |
| 531 | ;; names are invalid for this OS, can't be written. | |
| 532 | (setq archive-read-only | |
| 533 | (or (not (file-writable-p (buffer-file-name))) | |
| 534 | (and archive-subfile-mode | |
| 4dbbd6a1 | 535 | (string-match file-name-invalid-regexp |
| 380683ed | 536 | (aref archive-subfile-mode 0))))) |
| 665211a3 KH |
537 | |
| 538 | ;; Should we use a local copy when accessing from outside Emacs? | |
| 539 | (make-local-variable 'archive-local-name) | |
| 380683ed EZ |
540 | |
| 541 | ;; An archive can contain another archive whose name is invalid | |
| 542 | ;; on local filesystem. Treat such archives as remote. | |
| 543 | (or archive-remote | |
| 544 | (setq archive-remote | |
| 545 | (or (string-match archive-remote-regexp (buffer-file-name)) | |
| 4dbbd6a1 | 546 | (string-match file-name-invalid-regexp |
| 380683ed | 547 | (buffer-file-name))))) |
| 665211a3 KH |
548 | |
| 549 | (setq major-mode 'archive-mode) | |
| 550 | (setq mode-name (concat typename "-Archive")) | |
| 551 | ;; Run archive-foo-mode-hook and archive-mode-hook | |
| 552 | (run-hooks (archive-name "mode-hook") 'archive-mode-hook) | |
| 553 | (use-local-map archive-mode-map)) | |
| 554 | ||
| 555 | (make-local-variable 'archive-proper-file-start) | |
| 556 | (make-local-variable 'archive-file-list-start) | |
| 557 | (make-local-variable 'archive-file-list-end) | |
| 558 | (make-local-variable 'archive-file-name-indent) | |
| 380683ed | 559 | (archive-summarize nil) |
| 665211a3 KH |
560 | (setq buffer-read-only t)))) |
| 561 | ||
| 562 | ;; Archive mode is suitable only for specially formatted data. | |
| 563 | (put 'archive-mode 'mode-class 'special) | |
| 564 | ;; ------------------------------------------------------------------------- | |
| 565 | ;; Section: Key maps | |
| 566 | ||
| 567 | (if archive-mode-map nil | |
| 568 | (setq archive-mode-map (make-keymap)) | |
| 569 | (suppress-keymap archive-mode-map) | |
| 570 | (define-key archive-mode-map " " 'archive-next-line) | |
| 571 | (define-key archive-mode-map "a" 'archive-alternate-display) | |
| 572 | ;;(define-key archive-mode-map "c" 'archive-copy) | |
| 573 | (define-key archive-mode-map "d" 'archive-flag-deleted) | |
| 574 | (define-key archive-mode-map "\C-d" 'archive-flag-deleted) | |
| 575 | (define-key archive-mode-map "e" 'archive-extract) | |
| 576 | (define-key archive-mode-map "f" 'archive-extract) | |
| 577 | (define-key archive-mode-map "\C-m" 'archive-extract) | |
| 665211a3 KH |
578 | (define-key archive-mode-map "g" 'revert-buffer) |
| 579 | (define-key archive-mode-map "h" 'describe-mode) | |
| 580 | (define-key archive-mode-map "m" 'archive-mark) | |
| 581 | (define-key archive-mode-map "n" 'archive-next-line) | |
| 582 | (define-key archive-mode-map "\C-n" 'archive-next-line) | |
| 583 | (define-key archive-mode-map [down] 'archive-next-line) | |
| 584 | (define-key archive-mode-map "o" 'archive-extract-other-window) | |
| 585 | (define-key archive-mode-map "p" 'archive-previous-line) | |
| 586 | (define-key archive-mode-map "\C-p" 'archive-previous-line) | |
| 587 | (define-key archive-mode-map [up] 'archive-previous-line) | |
| 588 | (define-key archive-mode-map "r" 'archive-rename-entry) | |
| 589 | (define-key archive-mode-map "u" 'archive-unflag) | |
| 590 | (define-key archive-mode-map "\M-\C-?" 'archive-unmark-all-files) | |
| 591 | (define-key archive-mode-map "v" 'archive-view) | |
| 592 | (define-key archive-mode-map "x" 'archive-expunge) | |
| 593 | (define-key archive-mode-map "\177" 'archive-unflag-backwards) | |
| 594 | (define-key archive-mode-map "E" 'archive-extract-other-window) | |
| 595 | (define-key archive-mode-map "M" 'archive-chmod-entry) | |
| 596 | (define-key archive-mode-map "G" 'archive-chgrp-entry) | |
| 597 | (define-key archive-mode-map "O" 'archive-chown-entry) | |
| 43f657ea KH |
598 | |
| 599 | (if archive-lemacs | |
| 600 | (progn | |
| 601 | ;; Not a nice "solution" but it'll have to do | |
| 602 | (define-key archive-mode-map "\C-xu" 'archive-undo) | |
| 603 | (define-key archive-mode-map "\C-_" 'archive-undo)) | |
| 604 | (substitute-key-definition 'undo 'archive-undo | |
| 605 | archive-mode-map global-map)) | |
| 606 | ||
| 607 | (define-key archive-mode-map | |
| 608 | (if archive-lemacs 'button2 [mouse-2]) 'archive-mouse-extract) | |
| 609 | ||
| 610 | (if archive-lemacs | |
| 611 | () ; out of luck | |
| 612 | ;; Get rid of the Edit menu bar item to save space. | |
| 613 | (define-key archive-mode-map [menu-bar edit] 'undefined) | |
| 614 | ||
| 615 | (define-key archive-mode-map [menu-bar immediate] | |
| 616 | (cons "Immediate" (make-sparse-keymap "Immediate"))) | |
| 617 | (define-key archive-mode-map [menu-bar immediate alternate] | |
| 618 | '("Alternate Display" . archive-alternate-display)) | |
| 619 | (put 'archive-alternate-display 'menu-enable | |
| 620 | '(boundp (archive-name "alternate-display"))) | |
| 621 | (define-key archive-mode-map [menu-bar immediate view] | |
| 622 | '("View This File" . archive-view)) | |
| 623 | (define-key archive-mode-map [menu-bar immediate display] | |
| 624 | '("Display in Other Window" . archive-display-other-window)) | |
| 625 | (define-key archive-mode-map [menu-bar immediate find-file-other-window] | |
| 626 | '("Find in Other Window" . archive-extract-other-window)) | |
| 627 | (define-key archive-mode-map [menu-bar immediate find-file] | |
| 628 | '("Find This File" . archive-extract)) | |
| 629 | ||
| 630 | (define-key archive-mode-map [menu-bar mark] | |
| 631 | (cons "Mark" (make-sparse-keymap "Mark"))) | |
| 632 | (define-key archive-mode-map [menu-bar mark unmark-all] | |
| 633 | '("Unmark All" . archive-unmark-all-files)) | |
| 634 | (define-key archive-mode-map [menu-bar mark deletion] | |
| 635 | '("Flag" . archive-flag-deleted)) | |
| 636 | (define-key archive-mode-map [menu-bar mark unmark] | |
| 637 | '("Unflag" . archive-unflag)) | |
| 638 | (define-key archive-mode-map [menu-bar mark mark] | |
| 639 | '("Mark" . archive-mark)) | |
| 640 | ||
| 641 | (define-key archive-mode-map [menu-bar operate] | |
| 642 | (cons "Operate" (make-sparse-keymap "Operate"))) | |
| 643 | (define-key archive-mode-map [menu-bar operate chown] | |
| 644 | '("Change Owner..." . archive-chown-entry)) | |
| 645 | (put 'archive-chown-entry 'menu-enable | |
| 646 | '(fboundp (archive-name "chown-entry"))) | |
| 647 | (define-key archive-mode-map [menu-bar operate chgrp] | |
| 648 | '("Change Group..." . archive-chgrp-entry)) | |
| 649 | (put 'archive-chgrp-entry 'menu-enable | |
| 650 | '(fboundp (archive-name "chgrp-entry"))) | |
| 651 | (define-key archive-mode-map [menu-bar operate chmod] | |
| 652 | '("Change Mode..." . archive-chmod-entry)) | |
| 653 | (put 'archive-chmod-entry 'menu-enable | |
| 654 | '(fboundp (archive-name "chmod-entry"))) | |
| 655 | (define-key archive-mode-map [menu-bar operate rename] | |
| 656 | '("Rename to..." . archive-rename-entry)) | |
| 657 | (put 'archive-rename-entry 'menu-enable | |
| 658 | '(fboundp (archive-name "rename-entry"))) | |
| 659 | ;;(define-key archive-mode-map [menu-bar operate copy] | |
| 660 | ;; '("Copy to..." . archive-copy)) | |
| 661 | (define-key archive-mode-map [menu-bar operate expunge] | |
| 662 | '("Expunge Marked Files" . archive-expunge)) | |
| 663 | )) | |
| 665211a3 KH |
664 | |
| 665 | (let* ((item1 '(archive-subfile-mode " Archive")) | |
| b48fa570 | 666 | (items (list item1))) |
| 665211a3 KH |
667 | (or (member item1 minor-mode-alist) |
| 668 | (setq minor-mode-alist (append items minor-mode-alist)))) | |
| 669 | ;; ------------------------------------------------------------------------- | |
| 670 | (defun archive-find-type () | |
| 671 | (widen) | |
| 672 | (goto-char (point-min)) | |
| 673 | ;; The funny [] here make it unlikely that the .elc file will be treated | |
| 674 | ;; as an archive by other software. | |
| 675 | (let (case-fold-search) | |
| 676 | (cond ((looking-at "[P]K\003\004") 'zip) | |
| a56636ae | 677 | ((looking-at "..-l[hz][0-9ds]-") 'lzh) |
| 665211a3 KH |
678 | ((looking-at "....................[\334]\247\304\375") 'zoo) |
| 679 | ((and (looking-at "\C-z") ; signature too simple, IMHO | |
| 680 | (string-match "\\.[aA][rR][cC]$" | |
| 681 | (or buffer-file-name (buffer-name)))) | |
| 682 | 'arc) | |
| 683 | (t (error "Buffer format not recognized."))))) | |
| 684 | ;; ------------------------------------------------------------------------- | |
| 380683ed | 685 | (defun archive-summarize (&optional shut-up) |
| 665211a3 KH |
686 | "Parse the contents of the archive file in the current buffer. |
| 687 | Place a dired-like listing on the front; | |
| 688 | then narrow to it, so that only that listing | |
| 380683ed EZ |
689 | is visible (and the real data of the buffer is hidden). |
| 690 | Optional argument SHUT-UP, if non-nil, means don't print messages | |
| 691 | when parsing the archive." | |
| 665211a3 KH |
692 | (widen) |
| 693 | (let (buffer-read-only) | |
| 380683ed EZ |
694 | (or shut-up |
| 695 | (message "Parsing archive file...")) | |
| 665211a3 KH |
696 | (buffer-disable-undo (current-buffer)) |
| 697 | (setq archive-files (funcall (archive-name "summarize"))) | |
| 380683ed EZ |
698 | (or shut-up |
| 699 | (message "Parsing archive file...done.")) | |
| 665211a3 KH |
700 | (setq archive-proper-file-start (point-marker)) |
| 701 | (narrow-to-region (point-min) (point)) | |
| 702 | (set-buffer-modified-p nil) | |
| 703 | (buffer-enable-undo)) | |
| 704 | (goto-char archive-file-list-start) | |
| 705 | (archive-next-line 0)) | |
| 706 | ||
| 707 | (defun archive-resummarize () | |
| 708 | "Recreate the contents listing of an archive." | |
| 709 | (let ((modified (buffer-modified-p)) | |
| 710 | (no (archive-get-lineno)) | |
| 711 | buffer-read-only) | |
| 712 | (widen) | |
| 713 | (delete-region (point-min) archive-proper-file-start) | |
| 380683ed | 714 | (archive-summarize t) |
| 665211a3 KH |
715 | (set-buffer-modified-p modified) |
| 716 | (goto-char archive-file-list-start) | |
| 717 | (archive-next-line no))) | |
| 718 | ||
| 719 | (defun archive-summarize-files (files) | |
| c4de97b4 | 720 | "Insert a description of a list of files annotated with proper mouse face." |
| 665211a3 KH |
721 | (setq archive-file-list-start (point-marker)) |
| 722 | (setq archive-file-name-indent (if files (aref (car files) 1) 0)) | |
| 723 | ;; We don't want to do an insert for each element since that takes too | |
| 724 | ;; long when the archive -- which has to be moved in memory -- is large. | |
| 725 | (insert | |
| 726 | (apply | |
| 727 | (function concat) | |
| 728 | (mapcar | |
| 43f657ea KH |
729 | (function |
| 730 | (lambda (fil) | |
| 731 | ;; Using `concat' here copies the text also, so we can add | |
| 732 | ;; properties without problems. | |
| 733 | (let ((text (concat (aref fil 0) "\n"))) | |
| 734 | (if archive-lemacs | |
| 735 | () ; out of luck | |
| 736 | (put-text-property (aref fil 1) (aref fil 2) | |
| 737 | 'mouse-face 'highlight | |
| 738 | text)) | |
| 739 | text))) | |
| 665211a3 KH |
740 | files))) |
| 741 | (setq archive-file-list-end (point-marker))) | |
| 742 | ||
| 743 | (defun archive-alternate-display () | |
| eeba65ed RS |
744 | "Toggle alternative display. |
| 745 | To avoid very long lines some archive mode don't show all information. | |
| 746 | This function changes the set of information shown for each files." | |
| 665211a3 KH |
747 | (interactive) |
| 748 | (setq archive-alternate-display (not archive-alternate-display)) | |
| 749 | (archive-resummarize)) | |
| 750 | ;; ------------------------------------------------------------------------- | |
| 751 | ;; Section: Local archive copy handling | |
| 752 | ||
| 380683ed EZ |
753 | (defun archive-unique-fname (fname dir) |
| 754 | "Make sure a file FNAME can be created uniquely in directory DIR. | |
| 755 | ||
| 756 | If FNAME can be uniquely created in DIR, it is returned unaltered. | |
| 757 | If FNAME is something our underlying filesystem can't grok, or if another | |
| 758 | file by that name already exists in DIR, a unique new name is generated | |
| 759 | using `make-temp-name', and the generated name is returned." | |
| 760 | (let ((fullname (expand-file-name fname dir)) | |
| 4dbbd6a1 | 761 | (alien (string-match file-name-invalid-regexp fname))) |
| 380683ed EZ |
762 | (if (or alien (file-exists-p fullname)) |
| 763 | (make-temp-name | |
| 764 | (expand-file-name | |
| 765 | (if (and (eq system-type 'ms-dos) (not (msdos-long-file-names))) | |
| 766 | "am" | |
| 767 | "arc-mode.") | |
| 768 | dir)) | |
| 769 | fullname))) | |
| 770 | ||
| 665211a3 | 771 | (defun archive-maybe-copy (archive) |
| 380683ed EZ |
772 | (let ((coding-system-for-write 'no-conversion)) |
| 773 | (if archive-remote | |
| 774 | (let ((start (point-max)) | |
| 775 | ;; Sometimes ARCHIVE is invalid while its actual name, as | |
| 776 | ;; recorded in its parent archive, is not. For example, an | |
| 777 | ;; archive bar.zip inside another archive foo.zip gets a name | |
| 778 | ;; "foo.zip:bar.zip", which is invalid on DOS/Windows. | |
| 779 | ;; So use the actual name if available. | |
| 780 | (archive-name | |
| 781 | (or (and archive-subfile-mode (aref archive-subfile-mode 0)) | |
| 782 | archive))) | |
| 783 | (make-directory archive-tmpdir t) | |
| 784 | (setq archive-local-name | |
| 785 | (archive-unique-fname archive-name archive-tmpdir)) | |
| 786 | (save-restriction | |
| 787 | (widen) | |
| 788 | (write-region start (point-max) archive-local-name nil 'nomessage)) | |
| 789 | archive-local-name) | |
| 790 | (if (buffer-modified-p) (save-buffer)) | |
| 791 | archive))) | |
| 665211a3 KH |
792 | |
| 793 | (defun archive-maybe-update (unchanged) | |
| 794 | (if archive-remote | |
| 795 | (let ((name archive-local-name) | |
| 796 | (modified (buffer-modified-p)) | |
| 380683ed EZ |
797 | (coding-system-for-read 'no-conversion) |
| 798 | (lno (archive-get-lineno)) | |
| 665211a3 KH |
799 | buffer-read-only) |
| 800 | (if unchanged nil | |
| 380683ed | 801 | (setq archive-files nil) |
| 665211a3 KH |
802 | (erase-buffer) |
| 803 | (insert-file-contents name) | |
| 380683ed EZ |
804 | (archive-mode t) |
| 805 | (goto-char archive-file-list-start) | |
| 806 | (archive-next-line lno)) | |
| 665211a3 KH |
807 | (archive-delete-local name) |
| 808 | (if (not unchanged) | |
| 380683ed EZ |
809 | (message |
| 810 | "Buffer `%s' must be saved for changes to take effect" | |
| 811 | (buffer-name (current-buffer)))) | |
| 665211a3 KH |
812 | (set-buffer-modified-p (or modified (not unchanged)))))) |
| 813 | ||
| 814 | (defun archive-delete-local (name) | |
| eeba65ed | 815 | "Delete file NAME and its parents up to and including `archive-tmpdir'." |
| 665211a3 KH |
816 | (let ((again t) |
| 817 | (top (directory-file-name (file-name-as-directory archive-tmpdir)))) | |
| 818 | (condition-case nil | |
| 819 | (delete-file name) | |
| 820 | (error nil)) | |
| 821 | (while again | |
| 822 | (setq name (directory-file-name (file-name-directory name))) | |
| 823 | (condition-case nil | |
| 824 | (delete-directory name) | |
| 825 | (error nil)) | |
| 826 | (if (string= name top) (setq again nil))))) | |
| 827 | ;; ------------------------------------------------------------------------- | |
| 828 | ;; Section: Member extraction | |
| 829 | ||
| 830 | (defun archive-mouse-extract (event) | |
| 831 | "Extract a file whose name you click on." | |
| 832 | (interactive "e") | |
| 43f657ea KH |
833 | (mouse-set-point event) |
| 834 | (switch-to-buffer | |
| 835 | (save-excursion | |
| 836 | (archive-extract) | |
| 837 | (current-buffer)))) | |
| 665211a3 KH |
838 | |
| 839 | (defun archive-extract (&optional other-window-p) | |
| 840 | "In archive mode, extract this entry of the archive into its own buffer." | |
| 841 | (interactive) | |
| 842 | (let* ((view-p (eq other-window-p 'view)) | |
| 843 | (descr (archive-get-descr)) | |
| 844 | (ename (aref descr 0)) | |
| 845 | (iname (aref descr 1)) | |
| 846 | (archive-buffer (current-buffer)) | |
| 847 | (arcdir default-directory) | |
| 848 | (archive (buffer-file-name)) | |
| 849 | (arcname (file-name-nondirectory archive)) | |
| 850 | (bufname (concat (file-name-nondirectory iname) " (" arcname ")")) | |
| 851 | (extractor (archive-name "extract")) | |
| 380683ed EZ |
852 | ;; Members with file names which aren't valid for the |
| 853 | ;; underlying filesystem, are treated as read-only. | |
| 854 | (read-only-p (or archive-read-only | |
| 855 | view-p | |
| 4dbbd6a1 | 856 | (string-match file-name-invalid-regexp ename))) |
| 665211a3 KH |
857 | (buffer (get-buffer bufname)) |
| 858 | (just-created nil)) | |
| 859 | (if buffer | |
| 860 | nil | |
| 861 | (setq archive (archive-maybe-copy archive)) | |
| 862 | (setq buffer (get-buffer-create bufname)) | |
| 863 | (setq just-created t) | |
| 864 | (save-excursion | |
| 865 | (set-buffer buffer) | |
| 866 | (setq buffer-file-name | |
| 867 | (expand-file-name (concat arcname ":" iname))) | |
| 868 | (setq buffer-file-truename | |
| 869 | (abbreviate-file-name buffer-file-name)) | |
| 870 | ;; Set the default-directory to the dir of the superior buffer. | |
| 871 | (setq default-directory arcdir) | |
| 872 | (make-local-variable 'archive-superior-buffer) | |
| 873 | (setq archive-superior-buffer archive-buffer) | |
| 874 | (make-local-variable 'local-write-file-hooks) | |
| 875 | (add-hook 'local-write-file-hooks 'archive-write-file-member) | |
| 876 | (setq archive-subfile-mode descr) | |
| b48fa570 EZ |
877 | (if (and |
| 878 | (null | |
| 879 | (if (fboundp extractor) | |
| 880 | (funcall extractor archive ename) | |
| 881 | (archive-*-extract archive ename (symbol-value extractor)))) | |
| 882 | just-created) | |
| 883 | (progn | |
| 884 | (set-buffer-modified-p nil) | |
| 885 | (kill-buffer buffer)) | |
| 886 | (goto-char (point-min)) | |
| 887 | (rename-buffer bufname) | |
| 888 | (setq buffer-read-only read-only-p) | |
| 889 | (setq buffer-undo-list nil) | |
| 890 | (set-buffer-modified-p nil) | |
| 891 | (setq buffer-saved-size (buffer-size)) | |
| 892 | (normal-mode) | |
| 893 | ;; Just in case an archive occurs inside another archive. | |
| 894 | (if (eq major-mode 'archive-mode) | |
| 380683ed EZ |
895 | (progn |
| 896 | (setq archive-remote t) | |
| 897 | (if read-only-p (setq archive-read-only t)) | |
| 898 | ;; We will write out the archive ourselves if it is | |
| 899 | ;; part of another archive. | |
| 900 | (remove-hook 'write-contents-hooks 'archive-write-file t))) | |
| 901 | (run-hooks 'archive-extract-hooks) | |
| 902 | (if archive-read-only | |
| 903 | (message "Note: altering this archive is not implemented.")))) | |
| 904 | (archive-maybe-update t)) | |
| b48fa570 EZ |
905 | (or (not (buffer-name buffer)) |
| 906 | (progn | |
| 907 | (if view-p | |
| 5f7493ac KH |
908 | (view-buffer buffer (and just-created 'kill-buffer)) |
| 909 | (if (eq other-window-p 'display) | |
| 910 | (display-buffer buffer) | |
| 911 | (if other-window-p | |
| 912 | (switch-to-buffer-other-window buffer) | |
| 913 | (switch-to-buffer buffer)))))))) | |
| 665211a3 KH |
914 | |
| 915 | (defun archive-*-extract (archive name command) | |
| 916 | (let* ((default-directory (file-name-as-directory archive-tmpdir)) | |
| 917 | (tmpfile (expand-file-name (file-name-nondirectory name) | |
| b48fa570 EZ |
918 | default-directory)) |
| 919 | exit-status success) | |
| 665211a3 | 920 | (make-directory (directory-file-name default-directory) t) |
| b48fa570 EZ |
921 | (setq exit-status |
| 922 | (apply 'call-process | |
| 923 | (car command) | |
| 924 | nil | |
| 925 | nil | |
| 926 | nil | |
| 927 | (append (cdr command) (list archive name)))) | |
| 928 | (cond ((and (numberp exit-status) (= exit-status 0)) | |
| 929 | (if (not (file-exists-p tmpfile)) | |
| 930 | (ding (message "`%s': no such file or directory" tmpfile)) | |
| 931 | (insert-file-contents tmpfile) | |
| 932 | (setq success t))) | |
| 933 | ((numberp exit-status) | |
| 934 | (ding | |
| 935 | (message "`%s' exited with status %d" (car command) exit-status))) | |
| 936 | ((stringp exit-status) | |
| 937 | (ding (message "`%s' aborted: %s" (car command) exit-status))) | |
| 938 | (t | |
| 939 | (ding (message "`%s' failed" (car command))))) | |
| 940 | (archive-delete-local tmpfile) | |
| 941 | success)) | |
| 665211a3 KH |
942 | |
| 943 | (defun archive-extract-by-stdout (archive name command) | |
| b48fa570 EZ |
944 | ;; We need the coding system of the output of the extract program, |
| 945 | ;; including the EOL encoding, be decoded dynamically, since what | |
| 946 | ;; the extract program outputs is the contents of some file. | |
| 947 | (let ((coding-system-for-read (or coding-system-for-read 'undecided)) | |
| 948 | (inherit-process-coding-system t)) | |
| 665211a3 KH |
949 | (apply 'call-process |
| 950 | (car command) | |
| 951 | nil | |
| 952 | t | |
| 953 | nil | |
| 954 | (append (cdr command) (list archive name))))) | |
| 955 | ||
| 956 | (defun archive-extract-other-window () | |
| 957 | "In archive mode, find this member in another window." | |
| 958 | (interactive) | |
| 959 | (archive-extract t)) | |
| 960 | ||
| 961 | (defun archive-display-other-window () | |
| 962 | "In archive mode, display this member in another window." | |
| 963 | (interactive) | |
| 964 | (archive-extract 'display)) | |
| 965 | ||
| 966 | (defun archive-view () | |
| 967 | "In archive mode, view the member on this line." | |
| 968 | (interactive) | |
| 969 | (archive-extract 'view)) | |
| 970 | ||
| 971 | (defun archive-add-new-member (arcbuf name) | |
| eeba65ed | 972 | "Add current buffer to the archive in ARCBUF naming it NAME." |
| 665211a3 KH |
973 | (interactive |
| 974 | (list (get-buffer | |
| 975 | (read-buffer "Buffer containing archive: " | |
| 976 | ;; Find first archive buffer and suggest that | |
| 977 | (let ((bufs (buffer-list))) | |
| 978 | (while (and bufs (not (eq (save-excursion | |
| 979 | (set-buffer (car bufs)) | |
| 980 | major-mode) | |
| 981 | 'archive-mode))) | |
| 982 | (setq bufs (cdr bufs))) | |
| 983 | (if bufs | |
| 984 | (car bufs) | |
| 985 | (error "There are no archive buffers"))) | |
| 986 | t)) | |
| 987 | (read-string "File name in archive: " | |
| 988 | (if buffer-file-name | |
| 989 | (file-name-nondirectory buffer-file-name) | |
| 990 | "")))) | |
| 991 | (save-excursion | |
| 992 | (set-buffer arcbuf) | |
| 993 | (or (eq major-mode 'archive-mode) | |
| 994 | (error "Buffer is not an archive buffer")) | |
| 995 | (if archive-read-only | |
| 996 | (error "Archive is read-only"))) | |
| 997 | (if (eq arcbuf (current-buffer)) | |
| 998 | (error "An archive buffer cannot be added to itself")) | |
| 999 | (if (string= name "") | |
| 1000 | (error "Archive members may not be given empty names")) | |
| 1001 | (let ((func (save-excursion (set-buffer arcbuf) | |
| 1002 | (archive-name "add-new-member"))) | |
| 1003 | (membuf (current-buffer))) | |
| 1004 | (if (fboundp func) | |
| 1005 | (save-excursion | |
| 1006 | (set-buffer arcbuf) | |
| 1007 | (funcall func buffer-file-name membuf name)) | |
| 1008 | (error "Adding a new member is not supported for this archive type")))) | |
| 1009 | ;; ------------------------------------------------------------------------- | |
| 1010 | ;; Section: IO stuff | |
| 1011 | ||
| 665211a3 | 1012 | (defun archive-write-file-member () |
| b48fa570 EZ |
1013 | (save-excursion |
| 1014 | (save-restriction | |
| 1015 | (message "Updating archive...") | |
| 1016 | (widen) | |
| 1017 | (let ((writer (save-excursion (set-buffer archive-superior-buffer) | |
| 1018 | (archive-name "write-file-member"))) | |
| 1019 | (archive (save-excursion (set-buffer archive-superior-buffer) | |
| 380683ed | 1020 | (archive-maybe-copy (buffer-file-name))))) |
| b48fa570 EZ |
1021 | (if (fboundp writer) |
| 1022 | (funcall writer archive archive-subfile-mode) | |
| 1023 | (archive-*-write-file-member archive | |
| 1024 | archive-subfile-mode | |
| 380683ed EZ |
1025 | (symbol-value writer))) |
| 1026 | (set-buffer-modified-p nil) | |
| 1027 | (message "Updating archive...done")) | |
| b48fa570 | 1028 | (set-buffer archive-superior-buffer) |
| 380683ed EZ |
1029 | (if (not archive-remote) (revert-buffer) (archive-maybe-update nil)))) |
| 1030 | ;; Restore the value of last-coding-system-used, so that basic-save-buffer | |
| 1031 | ;; won't reset the coding-system of this archive member. | |
| 1032 | (if (local-variable-p 'archive-member-coding-system) | |
| 1033 | (setq last-coding-system-used archive-member-coding-system)) | |
| 1034 | t) | |
| 665211a3 KH |
1035 | |
| 1036 | (defun archive-*-write-file-member (archive descr command) | |
| 1037 | (let* ((ename (aref descr 0)) | |
| 1038 | (tmpfile (expand-file-name ename archive-tmpdir)) | |
| 1039 | (top (directory-file-name (file-name-as-directory archive-tmpdir))) | |
| 1040 | (default-directory (file-name-as-directory top))) | |
| 1041 | (unwind-protect | |
| 1042 | (progn | |
| 1043 | (make-directory (file-name-directory tmpfile) t) | |
| 380683ed EZ |
1044 | ;; If the member is itself an archive, write it without |
| 1045 | ;; the dired-like listing we created. | |
| 1046 | (if (eq major-mode 'archive-mode) | |
| 1047 | (archive-write-file tmpfile) | |
| 1048 | (write-region (point-min) (point-max) tmpfile nil 'nomessage)) | |
| 1049 | ;; basic-save-buffer needs last-coding-system-used to have | |
| 1050 | ;; the value used to write the file, so save it before any | |
| 1051 | ;; further processing clobbers it (we restore it in | |
| 1052 | ;; archive-write-file-member, above). | |
| 1053 | (setq archive-member-coding-system last-coding-system-used) | |
| 665211a3 KH |
1054 | (if (aref descr 3) |
| 1055 | ;; Set the file modes, but make sure we can read it. | |
| 1056 | (set-file-modes tmpfile (logior ?\400 (aref descr 3)))) | |
| 1057 | (let ((exitcode (apply 'call-process | |
| 1058 | (car command) | |
| 1059 | nil | |
| 1060 | nil | |
| 1061 | nil | |
| 1062 | (append (cdr command) (list archive ename))))) | |
| 1063 | (if (equal exitcode 0) | |
| 1064 | nil | |
| 1065 | (error "Updating was unsuccessful (%S)" exitcode)))) | |
| 1066 | (archive-delete-local tmpfile)))) | |
| 1067 | ||
| 380683ed | 1068 | (defun archive-write-file (&optional file) |
| 665211a3 | 1069 | (save-excursion |
| 380683ed EZ |
1070 | (let ((coding-system-for-write 'no-conversion)) |
| 1071 | (write-region archive-proper-file-start (point-max) | |
| 1072 | (or file buffer-file-name) nil t) | |
| 1073 | (set-buffer-modified-p nil)) | |
| 665211a3 KH |
1074 | t)) |
| 1075 | ;; ------------------------------------------------------------------------- | |
| 1076 | ;; Section: Marking and unmarking. | |
| 1077 | ||
| 1078 | (defun archive-flag-deleted (p &optional type) | |
| 1079 | "In archive mode, mark this member to be deleted from the archive. | |
| 1080 | With a prefix argument, mark that many files." | |
| 1081 | (interactive "p") | |
| 1082 | (or type (setq type ?D)) | |
| 1083 | (beginning-of-line) | |
| 1084 | (let ((sign (if (>= p 0) +1 -1)) | |
| 1085 | (modified (buffer-modified-p)) | |
| 1086 | buffer-read-only) | |
| 1087 | (while (not (zerop p)) | |
| 1088 | (if (archive-get-descr t) | |
| 1089 | (progn | |
| 1090 | (delete-char 1) | |
| 1091 | (insert type))) | |
| 1092 | (forward-line sign) | |
| 1093 | (setq p (- p sign))) | |
| 1094 | (set-buffer-modified-p modified)) | |
| 1095 | (archive-next-line 0)) | |
| 1096 | ||
| 1097 | (defun archive-unflag (p) | |
| 1098 | "In archive mode, un-mark this member if it is marked to be deleted. | |
| 1099 | With a prefix argument, un-mark that many files forward." | |
| 1100 | (interactive "p") | |
| 1101 | (archive-flag-deleted p ? )) | |
| 1102 | ||
| 1103 | (defun archive-unflag-backwards (p) | |
| 1104 | "In archive mode, un-mark this member if it is marked to be deleted. | |
| 1105 | With a prefix argument, un-mark that many members backward." | |
| 1106 | (interactive "p") | |
| 1107 | (archive-flag-deleted (- p) ? )) | |
| 1108 | ||
| 1109 | (defun archive-unmark-all-files () | |
| 1110 | "Remove all marks." | |
| 1111 | (interactive) | |
| 1112 | (let ((modified (buffer-modified-p)) | |
| 1113 | buffer-read-only) | |
| 1114 | (save-excursion | |
| 1115 | (goto-char archive-file-list-start) | |
| 1116 | (while (< (point) archive-file-list-end) | |
| 1117 | (or (= (following-char) ? ) | |
| 1118 | (progn (delete-char 1) (insert ? ))) | |
| 1119 | (forward-line 1))) | |
| 1120 | (set-buffer-modified-p modified))) | |
| 1121 | ||
| 1122 | (defun archive-mark (p) | |
| 1123 | "In archive mode, mark this member for group operations. | |
| 1124 | With a prefix argument, mark that many members. | |
| 1125 | Use \\[archive-unmark-all-files] to remove all marks." | |
| 1126 | (interactive "p") | |
| 1127 | (archive-flag-deleted p ?*)) | |
| 1128 | ||
| 1129 | (defun archive-get-marked (mark &optional default) | |
| 1130 | (let (files) | |
| 1131 | (save-excursion | |
| 1132 | (goto-char archive-file-list-start) | |
| 1133 | (while (< (point) archive-file-list-end) | |
| 1134 | (if (= (following-char) mark) | |
| 1135 | (setq files (cons (archive-get-descr) files))) | |
| 1136 | (forward-line 1))) | |
| 1137 | (or (nreverse files) | |
| 1138 | (and default | |
| 1139 | (list (archive-get-descr)))))) | |
| 1140 | ;; ------------------------------------------------------------------------- | |
| 1141 | ;; Section: Operate | |
| 1142 | ||
| 1143 | (defun archive-next-line (p) | |
| 1144 | (interactive "p") | |
| 1145 | (forward-line p) | |
| 1146 | (or (eobp) | |
| 1147 | (forward-char archive-file-name-indent))) | |
| 1148 | ||
| 1149 | (defun archive-previous-line (p) | |
| 1150 | (interactive "p") | |
| 1151 | (archive-next-line (- p))) | |
| 1152 | ||
| 1153 | (defun archive-chmod-entry (new-mode) | |
| eeba65ed | 1154 | "Change the protection bits associated with all marked or this member. |
| 665211a3 KH |
1155 | The new protection bits can either be specified as an octal number or |
| 1156 | as a relative change like \"g+rw\" as for chmod(2)" | |
| 1157 | (interactive "sNew mode (octal or relative): ") | |
| 1158 | (if archive-read-only (error "Archive is read-only")) | |
| 1159 | (let ((func (archive-name "chmod-entry"))) | |
| 1160 | (if (fboundp func) | |
| 1161 | (progn | |
| 1162 | (funcall func new-mode (archive-get-marked ?* t)) | |
| 1163 | (archive-resummarize)) | |
| 1164 | (error "Setting mode bits is not supported for this archive type")))) | |
| 1165 | ||
| 1166 | (defun archive-chown-entry (new-uid) | |
| 1167 | "Change the owner of all marked or this member." | |
| 1168 | (interactive "nNew uid: ") | |
| 1169 | (if archive-read-only (error "Archive is read-only")) | |
| 1170 | (let ((func (archive-name "chown-entry"))) | |
| 1171 | (if (fboundp func) | |
| 1172 | (progn | |
| 1173 | (funcall func new-uid (archive-get-marked ?* t)) | |
| 1174 | (archive-resummarize)) | |
| 1175 | (error "Setting owner is not supported for this archive type")))) | |
| 1176 | ||
| 1177 | (defun archive-chgrp-entry (new-gid) | |
| 1178 | "Change the group of all marked or this member." | |
| 1179 | (interactive "nNew gid: ") | |
| 1180 | (if archive-read-only (error "Archive is read-only")) | |
| 1181 | (let ((func (archive-name "chgrp-entry"))) | |
| 1182 | (if (fboundp func) | |
| 1183 | (progn | |
| 1184 | (funcall func new-gid (archive-get-marked ?* t)) | |
| 1185 | (archive-resummarize)) | |
| 1186 | (error "Setting group is not supported for this archive type")))) | |
| 1187 | ||
| 1188 | (defun archive-expunge () | |
| 1189 | "Do the flagged deletions." | |
| 1190 | (interactive) | |
| 1191 | (let (files) | |
| 1192 | (save-excursion | |
| 1193 | (goto-char archive-file-list-start) | |
| 1194 | (while (< (point) archive-file-list-end) | |
| 1195 | (if (= (following-char) ?D) | |
| 1196 | (setq files (cons (aref (archive-get-descr) 0) files))) | |
| 1197 | (forward-line 1))) | |
| 1198 | (setq files (nreverse files)) | |
| 1199 | (and files | |
| 1200 | (or (not archive-read-only) | |
| 1201 | (error "Archive is read-only")) | |
| 1202 | (or (yes-or-no-p (format "Really delete %d member%s? " | |
| 1203 | (length files) | |
| 1204 | (if (null (cdr files)) "" "s"))) | |
| 1205 | (error "Operation aborted")) | |
| 1206 | (let ((archive (archive-maybe-copy (buffer-file-name))) | |
| 1207 | (expunger (archive-name "expunge"))) | |
| 1208 | (if (fboundp expunger) | |
| 1209 | (funcall expunger archive files) | |
| 1210 | (archive-*-expunge archive files (symbol-value expunger))) | |
| 1211 | (archive-maybe-update nil) | |
| 1212 | (if archive-remote | |
| 1213 | (archive-resummarize) | |
| 1214 | (revert-buffer)))))) | |
| 1215 | ||
| 1216 | (defun archive-*-expunge (archive files command) | |
| 1217 | (apply 'call-process | |
| 1218 | (car command) | |
| 1219 | nil | |
| 1220 | nil | |
| 1221 | nil | |
| 1222 | (append (cdr command) (cons archive files)))) | |
| 1223 | ||
| 1224 | (defun archive-rename-entry (newname) | |
| 1225 | "Change the name associated with this entry in the tar file." | |
| 1226 | (interactive "sNew name: ") | |
| 1227 | (if archive-read-only (error "Archive is read-only")) | |
| 1228 | (if (string= newname "") | |
| 1229 | (error "Archive members may not be given empty names")) | |
| 1230 | (let ((func (archive-name "rename-entry")) | |
| 1231 | (descr (archive-get-descr))) | |
| 1232 | (if (fboundp func) | |
| 1233 | (progn | |
| 1234 | (funcall func (buffer-file-name) newname descr) | |
| 1235 | (archive-resummarize)) | |
| 1236 | (error "Renaming is not supported for this archive type")))) | |
| 1237 | ||
| 1238 | ;; Revert the buffer and recompute the dired-like listing. | |
| 1239 | (defun archive-mode-revert (&optional no-autosave no-confirm) | |
| 1240 | (let ((no (archive-get-lineno))) | |
| 1241 | (setq archive-files nil) | |
| 380683ed EZ |
1242 | (let ((revert-buffer-function nil) |
| 1243 | (coding-system-for-read 'no-conversion)) | |
| 665211a3 KH |
1244 | (revert-buffer t t)) |
| 1245 | (archive-mode) | |
| 1246 | (goto-char archive-file-list-start) | |
| 1247 | (archive-next-line no))) | |
| 1248 | ||
| 1249 | (defun archive-undo () | |
| 1250 | "Undo in an archive buffer. | |
| 1251 | This doesn't recover lost files, it just undoes changes in the buffer itself." | |
| 1252 | (interactive) | |
| 1253 | (let (buffer-read-only) | |
| 1254 | (undo))) | |
| 1255 | ;; ------------------------------------------------------------------------- | |
| 1256 | ;; Section: Arc Archives | |
| 1257 | ||
| 1258 | (defun archive-arc-summarize () | |
| 1259 | (let ((p 1) | |
| 1260 | (totalsize 0) | |
| 1261 | (maxlen 8) | |
| 1262 | files | |
| 1263 | visual) | |
| 1264 | (while (and (< (+ p 29) (point-max)) | |
| 1265 | (= (char-after p) ?\C-z) | |
| 1266 | (> (char-after (1+ p)) 0)) | |
| 1267 | (let* ((namefld (buffer-substring (+ p 2) (+ p 2 13))) | |
| 1268 | (fnlen (or (string-match "\0" namefld) 13)) | |
| 1269 | (efnname (substring namefld 0 fnlen)) | |
| 1270 | (csize (archive-l-e (+ p 15) 4)) | |
| 1271 | (moddate (archive-l-e (+ p 19) 2)) | |
| 1272 | (modtime (archive-l-e (+ p 21) 2)) | |
| 1273 | (ucsize (archive-l-e (+ p 25) 4)) | |
| 1274 | (fiddle (string= efnname (upcase efnname))) | |
| 1275 | (ifnname (if fiddle (downcase efnname) efnname)) | |
| 1276 | (text (format " %8d %-11s %-8s %s" | |
| 1277 | ucsize | |
| 1278 | (archive-dosdate moddate) | |
| 1279 | (archive-dostime modtime) | |
| 1280 | ifnname))) | |
| 1281 | (setq maxlen (max maxlen fnlen) | |
| 1282 | totalsize (+ totalsize ucsize) | |
| 1283 | visual (cons (vector text | |
| 1284 | (- (length text) (length ifnname)) | |
| 1285 | (length text)) | |
| 1286 | visual) | |
| 1287 | files (cons (vector efnname ifnname fiddle nil (1- p)) | |
| 1288 | files) | |
| 1289 | p (+ p 29 csize)))) | |
| 1290 | (goto-char (point-min)) | |
| 1291 | (let ((dash (concat "- -------- ----------- -------- " | |
| 1292 | (make-string maxlen ?-) | |
| 1293 | "\n"))) | |
| 1294 | (insert "M Length Date Time File\n" | |
| 1295 | dash) | |
| 1296 | (archive-summarize-files (nreverse visual)) | |
| 1297 | (insert dash | |
| 1298 | (format " %8d %d file%s" | |
| 1299 | totalsize | |
| 1300 | (length files) | |
| 1301 | (if (= 1 (length files)) "" "s")) | |
| 1302 | "\n")) | |
| 1303 | (apply 'vector (nreverse files)))) | |
| 1304 | ||
| 1305 | (defun archive-arc-rename-entry (archive newname descr) | |
| 1306 | (if (string-match "[:\\\\/]" newname) | |
| 1307 | (error "File names in arc files may not contain a path")) | |
| 1308 | (if (> (length newname) 12) | |
| 1309 | (error "File names in arc files are limited to 12 characters")) | |
| 1310 | (let ((name (concat newname (substring "\0\0\0\0\0\0\0\0\0\0\0\0\0" | |
| 1311 | (length newname)))) | |
| 1312 | buffer-read-only) | |
| 1313 | (save-restriction | |
| 1314 | (save-excursion | |
| 1315 | (widen) | |
| 1316 | (goto-char (+ archive-proper-file-start (aref descr 4) 2)) | |
| 1317 | (delete-char 13) | |
| 1318 | (insert name))))) | |
| 1319 | ;; ------------------------------------------------------------------------- | |
| 1320 | ;; Section: Lzh Archives | |
| 1321 | ||
| 1322 | (defun archive-lzh-summarize () | |
| 1323 | (let ((p 1) | |
| 1324 | (totalsize 0) | |
| 1325 | (maxlen 8) | |
| 1326 | files | |
| 1327 | visual) | |
| a56636ae RS |
1328 | (while (progn (goto-char p) |
| 1329 | (looking-at "\\(.\\|\n\\)\\(.\\|\n\\)-l[hz][0-9ds]-")) | |
| 665211a3 KH |
1330 | (let* ((hsize (char-after p)) |
| 1331 | (csize (archive-l-e (+ p 7) 4)) | |
| 1332 | (ucsize (archive-l-e (+ p 11) 4)) | |
| 1333 | (modtime (archive-l-e (+ p 15) 2)) | |
| 1334 | (moddate (archive-l-e (+ p 17) 2)) | |
| a56636ae | 1335 | (hdrlvl (char-after (+ p 20))) |
| 665211a3 KH |
1336 | (fnlen (char-after (+ p 21))) |
| 1337 | (efnname (buffer-substring (+ p 22) (+ p 22 fnlen))) | |
| 1338 | (fiddle (string= efnname (upcase efnname))) | |
| 1339 | (ifnname (if fiddle (downcase efnname) efnname)) | |
| 1340 | (p2 (+ p 22 fnlen)) | |
| 1341 | (creator (if (>= (- hsize fnlen) 24) (char-after (+ p2 2)) 0)) | |
| a56636ae RS |
1342 | mode modestr uid gid text path prname |
| 1343 | ) | |
| 1344 | (if (= hdrlvl 0) | |
| 1345 | (setq mode (if (= creator ?U) (archive-l-e (+ p2 8) 2) ?\666) | |
| 1346 | uid (if (= creator ?U) (archive-l-e (+ p2 10) 2)) | |
| 1347 | gid (if (= creator ?U) (archive-l-e (+ p2 12) 2))) | |
| 1348 | (if (= creator ?U) | |
| 1349 | (let* ((p3 (+ p2 3)) | |
| 1350 | (hsize (archive-l-e p3 2)) | |
| 1351 | (etype (char-after (+ p3 2)))) | |
| 1352 | (while (not (= hsize 0)) | |
| 1353 | (cond | |
| 1354 | ((= etype 2) (let ((i (+ p3 3))) | |
| 1355 | (while (< i (+ p3 hsize)) | |
| 1356 | (setq path (concat path | |
| 1357 | (if (= (char-after i) | |
| 1358 | 255) | |
| 1359 | "/" | |
| 1360 | (char-to-string | |
| 1361 | (char-after i))))) | |
| 1362 | (setq i (1+ i))))) | |
| 1363 | ((= etype 80) (setq mode (archive-l-e (+ p3 3) 2))) | |
| 1364 | ((= etype 81) (progn (setq uid (archive-l-e (+ p3 3) 2)) | |
| 1365 | (setq gid (archive-l-e (+ p3 5) 2)))) | |
| 1366 | ) | |
| 1367 | (setq p3 (+ p3 hsize)) | |
| 1368 | (setq hsize (archive-l-e p3 2)) | |
| 1369 | (setq etype (char-after (+ p3 2))))))) | |
| 1370 | (setq prname (if path (concat path ifnname) ifnname)) | |
| 1371 | (setq modestr (if mode (archive-int-to-mode mode) "??????????")) | |
| 1372 | (setq text (if archive-alternate-display | |
| 665211a3 KH |
1373 | (format " %8d %5S %5S %s" |
| 1374 | ucsize | |
| 1375 | (or uid "?") | |
| 1376 | (or gid "?") | |
| 1377 | ifnname) | |
| 1378 | (format " %10s %8d %-11s %-8s %s" | |
| 1379 | modestr | |
| 1380 | ucsize | |
| 1381 | (archive-dosdate moddate) | |
| 1382 | (archive-dostime modtime) | |
| a56636ae | 1383 | ifnname))) |
| 665211a3 KH |
1384 | (setq maxlen (max maxlen fnlen) |
| 1385 | totalsize (+ totalsize ucsize) | |
| 1386 | visual (cons (vector text | |
| 1387 | (- (length text) (length ifnname)) | |
| 1388 | (length text)) | |
| 1389 | visual) | |
| a56636ae | 1390 | files (cons (vector prname ifnname fiddle mode (1- p)) |
| 665211a3 KH |
1391 | files) |
| 1392 | p (+ p hsize 2 csize)))) | |
| 1393 | (goto-char (point-min)) | |
| 1394 | (let ((dash (concat (if archive-alternate-display | |
| 1395 | "- -------- ----- ----- " | |
| 1396 | "- ---------- -------- ----------- -------- ") | |
| 1397 | (make-string maxlen ?-) | |
| 1398 | "\n")) | |
| 1399 | (header (if archive-alternate-display | |
| 1400 | "M Length Uid Gid File\n" | |
| 1401 | "M Filemode Length Date Time File\n")) | |
| 1402 | (sumline (if archive-alternate-display | |
| 1403 | " %8d %d file%s" | |
| 1404 | " %8d %d file%s"))) | |
| 1405 | (insert header dash) | |
| 1406 | (archive-summarize-files (nreverse visual)) | |
| 1407 | (insert dash | |
| 1408 | (format sumline | |
| 1409 | totalsize | |
| 1410 | (length files) | |
| 1411 | (if (= 1 (length files)) "" "s")) | |
| 1412 | "\n")) | |
| 1413 | (apply 'vector (nreverse files)))) | |
| 1414 | ||
| 1415 | (defconst archive-lzh-alternate-display t) | |
| 1416 | ||
| 1417 | (defun archive-lzh-extract (archive name) | |
| 1418 | (archive-extract-by-stdout archive name archive-lzh-extract)) | |
| 1419 | ||
| 1420 | (defun archive-lzh-resum (p count) | |
| 1421 | (let ((sum 0)) | |
| 1422 | (while (> count 0) | |
| 1423 | (setq count (1- count) | |
| 1424 | sum (+ sum (char-after p)) | |
| 1425 | p (1+ p))) | |
| 1426 | (logand sum 255))) | |
| 1427 | ||
| 1428 | (defun archive-lzh-rename-entry (archive newname descr) | |
| 1429 | (save-restriction | |
| 1430 | (save-excursion | |
| 1431 | (widen) | |
| 1432 | (let* ((p (+ archive-proper-file-start (aref descr 4))) | |
| 1433 | (oldhsize (char-after p)) | |
| 1434 | (oldfnlen (char-after (+ p 21))) | |
| 1435 | (newfnlen (length newname)) | |
| 1436 | (newhsize (+ oldhsize newfnlen (- oldfnlen))) | |
| 1437 | buffer-read-only) | |
| 1438 | (if (> newhsize 255) | |
| 1439 | (error "The file name is too long")) | |
| 1440 | (goto-char (+ p 21)) | |
| 1441 | (delete-char (1+ oldfnlen)) | |
| 1442 | (insert newfnlen newname) | |
| 1443 | (goto-char p) | |
| 1444 | (delete-char 2) | |
| 1445 | (insert newhsize (archive-lzh-resum p newhsize)))))) | |
| 1446 | ||
| 1447 | (defun archive-lzh-ogm (newval files errtxt ofs) | |
| 1448 | (save-restriction | |
| 1449 | (save-excursion | |
| 1450 | (widen) | |
| 1451 | (while files | |
| 1452 | (let* ((fil (car files)) | |
| 1453 | (p (+ archive-proper-file-start (aref fil 4))) | |
| 1454 | (hsize (char-after p)) | |
| 1455 | (fnlen (char-after (+ p 21))) | |
| 1456 | (p2 (+ p 22 fnlen)) | |
| 1457 | (creator (if (>= (- hsize fnlen) 24) (char-after (+ p2 2)) 0)) | |
| 1458 | buffer-read-only) | |
| 1459 | (if (= creator ?U) | |
| 1460 | (progn | |
| 1461 | (or (numberp newval) | |
| 1462 | (setq newval (funcall newval (archive-l-e (+ p2 ofs) 2)))) | |
| 1463 | (goto-char (+ p2 ofs)) | |
| 1464 | (delete-char 2) | |
| 1465 | (insert (logand newval 255) (lsh newval -8)) | |
| 1466 | (goto-char (1+ p)) | |
| 1467 | (delete-char 1) | |
| 1468 | (insert (archive-lzh-resum (1+ p) hsize))) | |
| 1469 | (message "Member %s does not have %s field" | |
| 1470 | (aref fil 1) errtxt))) | |
| 1471 | (setq files (cdr files)))))) | |
| 1472 | ||
| 1473 | (defun archive-lzh-chown-entry (newuid files) | |
| 1474 | (archive-lzh-ogm newuid files "an uid" 10)) | |
| 1475 | ||
| 1476 | (defun archive-lzh-chgrp-entry (newgid files) | |
| 1477 | (archive-lzh-ogm newgid files "a gid" 12)) | |
| 1478 | ||
| 1479 | (defun archive-lzh-chmod-entry (newmode files) | |
| 1480 | (archive-lzh-ogm | |
| 1481 | ;; This should work even though newmode will be dynamically accessed. | |
| 43f657ea | 1482 | (function (lambda (old) (archive-calc-mode old newmode t))) |
| 665211a3 KH |
1483 | files "a unix-style mode" 8)) |
| 1484 | ;; ------------------------------------------------------------------------- | |
| 1485 | ;; Section: Zip Archives | |
| 1486 | ||
| 1487 | (defun archive-zip-summarize () | |
| 1488 | (goto-char (- (point-max) (- 22 18))) | |
| 1489 | (search-backward-regexp "[P]K\005\006") | |
| 1490 | (let ((p (1+ (archive-l-e (+ (point) 16) 4))) | |
| 1491 | (maxlen 8) | |
| 1492 | (totalsize 0) | |
| 1493 | files | |
| 1494 | visual) | |
| 1495 | (while (string= "PK\001\002" (buffer-substring p (+ p 4))) | |
| 1496 | (let* ((creator (char-after (+ p 5))) | |
| 1497 | (method (archive-l-e (+ p 10) 2)) | |
| 1498 | (modtime (archive-l-e (+ p 12) 2)) | |
| 1499 | (moddate (archive-l-e (+ p 14) 2)) | |
| 1500 | (ucsize (archive-l-e (+ p 24) 4)) | |
| 1501 | (fnlen (archive-l-e (+ p 28) 2)) | |
| 1502 | (exlen (archive-l-e (+ p 30) 2)) | |
| 845720b9 | 1503 | (fclen (archive-l-e (+ p 32) 2)) |
| 665211a3 KH |
1504 | (lheader (archive-l-e (+ p 42) 4)) |
| 1505 | (efnname (buffer-substring (+ p 46) (+ p 46 fnlen))) | |
| 1506 | (isdir (and (= ucsize 0) | |
| 1507 | (string= (file-name-nondirectory efnname) ""))) | |
| 1508 | (mode (cond ((memq creator '(2 3)) ; Unix + VMS | |
| 1509 | (archive-l-e (+ p 40) 2)) | |
| 380683ed | 1510 | ((memq creator '(0 5 6 7 10 11 15)) ; Dos etc. |
| 665211a3 KH |
1511 | (logior ?\444 |
| 1512 | (if isdir (logior 16384 ?\111) 0) | |
| 1513 | (if (zerop | |
| 1514 | (logand 1 (char-after (+ p 38)))) | |
| 1515 | ?\222 0))) | |
| 1516 | (t nil))) | |
| 1517 | (modestr (if mode (archive-int-to-mode mode) "??????????")) | |
| 1518 | (fiddle (and archive-zip-case-fiddle | |
| 380683ed EZ |
1519 | (not (not (memq creator '(0 2 4 5 9)))) |
| 1520 | (string= (upcase efnname) efnname))) | |
| 665211a3 KH |
1521 | (ifnname (if fiddle (downcase efnname) efnname)) |
| 1522 | (text (format " %10s %8d %-11s %-8s %s" | |
| 1523 | modestr | |
| 1524 | ucsize | |
| 1525 | (archive-dosdate moddate) | |
| 1526 | (archive-dostime modtime) | |
| 1527 | ifnname))) | |
| 1528 | (setq maxlen (max maxlen fnlen) | |
| 1529 | totalsize (+ totalsize ucsize) | |
| 1530 | visual (cons (vector text | |
| 1531 | (- (length text) (length ifnname)) | |
| 1532 | (length text)) | |
| 1533 | visual) | |
| 1534 | files (cons (if isdir | |
| 1535 | nil | |
| 1536 | (vector efnname ifnname fiddle mode | |
| 1537 | (list (1- p) lheader))) | |
| 1538 | files) | |
| 845720b9 | 1539 | p (+ p 46 fnlen exlen fclen)))) |
| 665211a3 KH |
1540 | (goto-char (point-min)) |
| 1541 | (let ((dash (concat "- ---------- -------- ----------- -------- " | |
| 1542 | (make-string maxlen ?-) | |
| 1543 | "\n"))) | |
| 1544 | (insert "M Filemode Length Date Time File\n" | |
| 1545 | dash) | |
| 1546 | (archive-summarize-files (nreverse visual)) | |
| 1547 | (insert dash | |
| 1548 | (format " %8d %d file%s" | |
| 1549 | totalsize | |
| 1550 | (length files) | |
| 1551 | (if (= 1 (length files)) "" "s")) | |
| 1552 | "\n")) | |
| 1553 | (apply 'vector (nreverse files)))) | |
| 1554 | ||
| 1555 | (defun archive-zip-extract (archive name) | |
| 1556 | (if archive-zip-use-pkzip | |
| 1557 | (archive-*-extract archive name archive-zip-extract) | |
| 1558 | (archive-extract-by-stdout archive name archive-zip-extract))) | |
| 1559 | ||
| 1560 | (defun archive-zip-write-file-member (archive descr) | |
| 1561 | (archive-*-write-file-member | |
| 1562 | archive | |
| 1563 | descr | |
| 1564 | (if (aref descr 2) archive-zip-update-case archive-zip-update))) | |
| 1565 | ||
| 1566 | (defun archive-zip-chmod-entry (newmode files) | |
| 1567 | (save-restriction | |
| 1568 | (save-excursion | |
| 1569 | (widen) | |
| 1570 | (while files | |
| 1571 | (let* ((fil (car files)) | |
| 1572 | (p (+ archive-proper-file-start (car (aref fil 4)))) | |
| 1573 | (creator (char-after (+ p 5))) | |
| 1574 | (oldmode (aref fil 3)) | |
| 1575 | (newval (archive-calc-mode oldmode newmode t)) | |
| 1576 | buffer-read-only) | |
| 1577 | (cond ((memq creator '(2 3)) ; Unix + VMS | |
| 1578 | (goto-char (+ p 40)) | |
| 1579 | (delete-char 2) | |
| 1580 | (insert (logand newval 255) (lsh newval -8))) | |
| 380683ed | 1581 | ((memq creator '(0 5 6 7 10 11 15)) ; Dos etc. |
| 665211a3 KH |
1582 | (goto-char (+ p 38)) |
| 1583 | (insert (logior (logand (char-after (point)) 254) | |
| 1584 | (logand (logxor 1 (lsh newval -7)) 1))) | |
| 1585 | (delete-char 1)) | |
| 1586 | (t (message "Don't know how to change mode for this member")))) | |
| 1587 | (setq files (cdr files)))))) | |
| 1588 | ;; ------------------------------------------------------------------------- | |
| 1589 | ;; Section: Zoo Archives | |
| 1590 | ||
| 1591 | (defun archive-zoo-summarize () | |
| 1592 | (let ((p (1+ (archive-l-e 25 4))) | |
| 1593 | (maxlen 8) | |
| 1594 | (totalsize 0) | |
| 1595 | files | |
| 1596 | visual) | |
| 1597 | (while (and (string= "\334\247\304\375" (buffer-substring p (+ p 4))) | |
| 1598 | (> (archive-l-e (+ p 6) 4) 0)) | |
| 1599 | (let* ((next (1+ (archive-l-e (+ p 6) 4))) | |
| 1600 | (moddate (archive-l-e (+ p 14) 2)) | |
| 1601 | (modtime (archive-l-e (+ p 16) 2)) | |
| 1602 | (ucsize (archive-l-e (+ p 20) 4)) | |
| 1603 | (namefld (buffer-substring (+ p 38) (+ p 38 13))) | |
| 83c4abcb RS |
1604 | (dirtype (char-after (+ p 4))) |
| 1605 | (lfnlen (if (= dirtype 2) (char-after (+ p 56)) 0)) | |
| 1606 | (ldirlen (if (= dirtype 2) (char-after (+ p 57)) 0)) | |
| 9913653a | 1607 | (fnlen (or (string-match "\0" namefld) 13)) |
| 83c4abcb RS |
1608 | (efnname (concat |
| 1609 | (if (> ldirlen 0) | |
| 1610 | (concat (buffer-substring | |
| 1611 | (+ p 58 lfnlen) (+ p 58 lfnlen ldirlen -1)) | |
| 1612 | "/") | |
| 1613 | "") | |
| 1614 | (if (> lfnlen 0) | |
| 1615 | (buffer-substring (+ p 58) (+ p 58 lfnlen -1)) | |
| 1616 | (substring namefld 0 fnlen)))) | |
| 1617 | (fiddle (and (= lfnlen 0) (string= efnname (upcase efnname)))) | |
| 665211a3 KH |
1618 | (ifnname (if fiddle (downcase efnname) efnname)) |
| 1619 | (text (format " %8d %-11s %-8s %s" | |
| 1620 | ucsize | |
| 1621 | (archive-dosdate moddate) | |
| 1622 | (archive-dostime modtime) | |
| 1623 | ifnname))) | |
| 9913653a | 1624 | (setq maxlen (max maxlen (length ifnname)) |
| 665211a3 KH |
1625 | totalsize (+ totalsize ucsize) |
| 1626 | visual (cons (vector text | |
| 1627 | (- (length text) (length ifnname)) | |
| 1628 | (length text)) | |
| 1629 | visual) | |
| 1630 | files (cons (vector efnname ifnname fiddle nil (1- p)) | |
| 1631 | files) | |
| 1632 | p next))) | |
| 1633 | (goto-char (point-min)) | |
| 1634 | (let ((dash (concat "- -------- ----------- -------- " | |
| 1635 | (make-string maxlen ?-) | |
| 1636 | "\n"))) | |
| 1637 | (insert "M Length Date Time File\n" | |
| 1638 | dash) | |
| 1639 | (archive-summarize-files (nreverse visual)) | |
| 1640 | (insert dash | |
| 1641 | (format " %8d %d file%s" | |
| 1642 | totalsize | |
| 1643 | (length files) | |
| 1644 | (if (= 1 (length files)) "" "s")) | |
| 1645 | "\n")) | |
| 1646 | (apply 'vector (nreverse files)))) | |
| 1647 | ||
| 1648 | (defun archive-zoo-extract (archive name) | |
| 1649 | (archive-extract-by-stdout archive name archive-zoo-extract)) | |
| 1650 | ;; ------------------------------------------------------------------------- | |
| 1651 | (provide 'archive-mode) | |
| 1652 | ||
| 1653 | ;; arc-mode.el ends here. |