mirror of
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Move to ../mail.
This commit is contained in:
Glenn Morris
parent
b88d2c4c22
commit
21662dc75f
3 changed files with 4 additions and 565 deletions
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@ -1,3 +1,7 @@
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2007-12-02 Glenn Morris <rgm@gnu.org>
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* binhex.el, uudecode.el: Move to ../mail.
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2007-12-01 Glenn Morris <rgm@gnu.org>
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* dig.el, dns.el: Move to ../net.
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@ -1,328 +0,0 @@
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;;; binhex.el --- elisp native binhex decode
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;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004,
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;; 2005, 2006, 2007 Free Software Foundation, Inc.
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;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
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;; Keywords: binhex news
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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||||
;; GNU General Public License for more details.
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||||
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||||
;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;;; Code:
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(eval-when-compile (require 'cl))
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(eval-and-compile
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(defalias 'binhex-char-int
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(if (fboundp 'char-int)
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'char-int
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'identity)))
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(defcustom binhex-decoder-program "hexbin"
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"*Non-nil value should be a string that names a binhex decoder.
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The program should expect to read binhex data on its standard
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input and write the converted data to its standard output."
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:type 'string
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:group 'gnus-extract)
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(defcustom binhex-decoder-switches '("-d")
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"*List of command line flags passed to the command `binhex-decoder-program'."
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:group 'gnus-extract
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:type '(repeat string))
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(defcustom binhex-use-external
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(executable-find binhex-decoder-program)
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"*Use external binhex program."
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:version "22.1"
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:group 'gnus-extract
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:type 'boolean)
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(defconst binhex-alphabet-decoding-alist
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'(( ?\! . 0) ( ?\" . 1) ( ?\# . 2) ( ?\$ . 3) ( ?\% . 4) ( ?\& . 5)
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( ?\' . 6) ( ?\( . 7) ( ?\) . 8) ( ?\* . 9) ( ?\+ . 10) ( ?\, . 11)
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( ?\- . 12) ( ?0 . 13) ( ?1 . 14) ( ?2 . 15) ( ?3 . 16) ( ?4 . 17)
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( ?5 . 18) ( ?6 . 19) ( ?8 . 20) ( ?9 . 21) ( ?@ . 22) ( ?A . 23)
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( ?B . 24) ( ?C . 25) ( ?D . 26) ( ?E . 27) ( ?F . 28) ( ?G . 29)
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( ?H . 30) ( ?I . 31) ( ?J . 32) ( ?K . 33) ( ?L . 34) ( ?M . 35)
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( ?N . 36) ( ?P . 37) ( ?Q . 38) ( ?R . 39) ( ?S . 40) ( ?T . 41)
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( ?U . 42) ( ?V . 43) ( ?X . 44) ( ?Y . 45) ( ?Z . 46) ( ?\[ . 47)
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( ?\` . 48) ( ?a . 49) ( ?b . 50) ( ?c . 51) ( ?d . 52) ( ?e . 53)
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( ?f . 54) ( ?h . 55) ( ?i . 56) ( ?j . 57) ( ?k . 58) ( ?l . 59)
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( ?m . 60) ( ?p . 61) ( ?q . 62) ( ?r . 63)))
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(defun binhex-char-map (char)
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(cdr (assq char binhex-alphabet-decoding-alist)))
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;;;###autoload
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(defconst binhex-begin-line
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"^:...............................................................$")
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(defconst binhex-body-line
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"^[^:]...............................................................$")
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(defconst binhex-end-line ":$")
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(defvar binhex-temporary-file-directory
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(cond ((fboundp 'temp-directory) (temp-directory))
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((boundp 'temporary-file-directory) temporary-file-directory)
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("/tmp/")))
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(eval-and-compile
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(defalias 'binhex-insert-char
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(if (featurep 'xemacs)
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'insert-char
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(lambda (char &optional count ignored buffer)
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"Insert COUNT copies of CHARACTER into BUFFER."
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(if (or (null buffer) (eq buffer (current-buffer)))
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(insert-char char count)
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(with-current-buffer buffer
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(insert-char char count)))))))
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(defvar binhex-crc-table
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[0 4129 8258 12387 16516 20645 24774 28903
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33032 37161 41290 45419 49548 53677 57806 61935
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4657 528 12915 8786 21173 17044 29431 25302
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37689 33560 45947 41818 54205 50076 62463 58334
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9314 13379 1056 5121 25830 29895 17572 21637
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42346 46411 34088 38153 58862 62927 50604 54669
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13907 9842 5649 1584 30423 26358 22165 18100
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46939 42874 38681 34616 63455 59390 55197 51132
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18628 22757 26758 30887 2112 6241 10242 14371
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51660 55789 59790 63919 35144 39273 43274 47403
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23285 19156 31415 27286 6769 2640 14899 10770
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56317 52188 64447 60318 39801 35672 47931 43802
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27814 31879 19684 23749 11298 15363 3168 7233
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60846 64911 52716 56781 44330 48395 36200 40265
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32407 28342 24277 20212 15891 11826 7761 3696
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65439 61374 57309 53244 48923 44858 40793 36728
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37256 33193 45514 41451 53516 49453 61774 57711
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4224 161 12482 8419 20484 16421 28742 24679
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33721 37784 41979 46042 49981 54044 58239 62302
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689 4752 8947 13010 16949 21012 25207 29270
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46570 42443 38312 34185 62830 58703 54572 50445
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13538 9411 5280 1153 29798 25671 21540 17413
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42971 47098 34713 38840 59231 63358 50973 55100
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9939 14066 1681 5808 26199 30326 17941 22068
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55628 51565 63758 59695 39368 35305 47498 43435
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22596 18533 30726 26663 6336 2273 14466 10403
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52093 56156 60223 64286 35833 39896 43963 48026
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19061 23124 27191 31254 2801 6864 10931 14994
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64814 60687 56684 52557 48554 44427 40424 36297
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31782 27655 23652 19525 15522 11395 7392 3265
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61215 65342 53085 57212 44955 49082 36825 40952
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28183 32310 20053 24180 11923 16050 3793 7920])
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(defun binhex-update-crc (crc char &optional count)
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(if (null count) (setq count 1))
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(while (> count 0)
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(setq crc (logxor (logand (lsh crc 8) 65280)
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(aref binhex-crc-table
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(logxor (logand (lsh crc -8) 255)
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char)))
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count (1- count)))
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crc)
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(defun binhex-verify-crc (buffer start end)
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(with-current-buffer buffer
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(let ((pos start) (crc 0) (last (- end 2)))
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(while (< pos last)
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(setq crc (binhex-update-crc crc (char-after pos))
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pos (1+ pos)))
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(if (= crc (binhex-string-big-endian (buffer-substring last end)))
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nil
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(error "CRC error")))))
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(defun binhex-string-big-endian (string)
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(let ((ret 0) (i 0) (len (length string)))
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(while (< i len)
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(setq ret (+ (lsh ret 8) (binhex-char-int (aref string i)))
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i (1+ i)))
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ret))
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(defun binhex-string-little-endian (string)
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(let ((ret 0) (i 0) (shift 0) (len (length string)))
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(while (< i len)
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(setq ret (+ ret (lsh (binhex-char-int (aref string i)) shift))
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i (1+ i)
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shift (+ shift 8)))
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ret))
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(defun binhex-header (buffer)
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(with-current-buffer buffer
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(let ((pos (point-min)) len)
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(vector
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(prog1
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(setq len (binhex-char-int (char-after pos)))
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(setq pos (1+ pos)))
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(buffer-substring pos (setq pos (+ pos len)))
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(prog1
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(setq len (binhex-char-int (char-after pos)))
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(setq pos (1+ pos)))
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(buffer-substring pos (setq pos (+ pos 4)))
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(buffer-substring pos (setq pos (+ pos 4)))
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(binhex-string-big-endian
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(buffer-substring pos (setq pos (+ pos 2))))
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(binhex-string-big-endian
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(buffer-substring pos (setq pos (+ pos 4))))
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(binhex-string-big-endian
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(buffer-substring pos (setq pos (+ pos 4))))))))
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(defvar binhex-last-char)
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(defvar binhex-repeat)
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(defun binhex-push-char (char &optional count ignored buffer)
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(cond
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(binhex-repeat
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(if (eq char 0)
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(binhex-insert-char (setq binhex-last-char 144) 1
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ignored buffer)
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(binhex-insert-char binhex-last-char (- char 1)
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ignored buffer)
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(setq binhex-last-char nil))
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(setq binhex-repeat nil))
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((= char 144)
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(setq binhex-repeat t))
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(t
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(binhex-insert-char (setq binhex-last-char char) 1 ignored buffer))))
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;;;###autoload
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(defun binhex-decode-region-internal (start end &optional header-only)
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"Binhex decode region between START and END without using an external program.
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If HEADER-ONLY is non-nil only decode header and return filename."
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(interactive "r")
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(let ((work-buffer nil)
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(counter 0)
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(bits 0) (tmp t)
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(lim 0) inputpos
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(non-data-chars " \t\n\r:")
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file-name-length data-fork-start
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header
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binhex-last-char binhex-repeat)
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(unwind-protect
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(save-excursion
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(goto-char start)
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(when (re-search-forward binhex-begin-line end t)
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(let (default-enable-multibyte-characters)
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(setq work-buffer (generate-new-buffer " *binhex-work*")))
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(beginning-of-line)
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(setq bits 0 counter 0)
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(while tmp
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(skip-chars-forward non-data-chars end)
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(setq inputpos (point))
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(end-of-line)
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(setq lim (point))
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(while (and (< inputpos lim)
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(setq tmp (binhex-char-map (char-after inputpos))))
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(setq bits (+ bits tmp)
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counter (1+ counter)
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inputpos (1+ inputpos))
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(cond ((= counter 4)
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(binhex-push-char (lsh bits -16) 1 nil work-buffer)
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(binhex-push-char (logand (lsh bits -8) 255) 1 nil
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work-buffer)
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(binhex-push-char (logand bits 255) 1 nil
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work-buffer)
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(setq bits 0 counter 0))
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(t (setq bits (lsh bits 6)))))
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(if (null file-name-length)
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(with-current-buffer work-buffer
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(setq file-name-length (char-after (point-min))
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data-fork-start (+ (point-min)
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file-name-length 22))))
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(when (and (null header)
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(with-current-buffer work-buffer
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(>= (buffer-size) data-fork-start)))
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(binhex-verify-crc work-buffer
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(point-min) data-fork-start)
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(setq header (binhex-header work-buffer))
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(when header-only (setq tmp nil counter 0)))
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(setq tmp (and tmp (not (eq inputpos end)))))
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(cond
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((= counter 3)
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(binhex-push-char (logand (lsh bits -16) 255) 1 nil
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work-buffer)
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(binhex-push-char (logand (lsh bits -8) 255) 1 nil
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work-buffer))
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((= counter 2)
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(binhex-push-char (logand (lsh bits -10) 255) 1 nil
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work-buffer))))
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(if header-only nil
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(binhex-verify-crc work-buffer
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data-fork-start
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(+ data-fork-start (aref header 6) 2))
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(or (markerp end) (setq end (set-marker (make-marker) end)))
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(goto-char start)
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(insert-buffer-substring work-buffer
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data-fork-start (+ data-fork-start
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(aref header 6)))
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(delete-region (point) end)))
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(and work-buffer (kill-buffer work-buffer)))
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(if header (aref header 1))))
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;;;###autoload
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(defun binhex-decode-region-external (start end)
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"Binhex decode region between START and END using external decoder."
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(interactive "r")
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(let ((cbuf (current-buffer)) firstline work-buffer status
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(file-name (expand-file-name
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(concat (binhex-decode-region-internal start end t)
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".data")
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binhex-temporary-file-directory)))
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(save-excursion
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(goto-char start)
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(when (re-search-forward binhex-begin-line nil t)
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(let ((cdir default-directory) default-process-coding-system)
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(unwind-protect
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(progn
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(set-buffer (setq work-buffer
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(generate-new-buffer " *binhex-work*")))
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(buffer-disable-undo work-buffer)
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(insert-buffer-substring cbuf firstline end)
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(cd binhex-temporary-file-directory)
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(apply 'call-process-region
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(point-min)
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(point-max)
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binhex-decoder-program
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nil
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nil
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nil
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binhex-decoder-switches))
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(cd cdir) (set-buffer cbuf)))
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(if (and file-name (file-exists-p file-name))
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(progn
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(goto-char start)
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(delete-region start end)
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(let (format-alist)
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(insert-file-contents-literally file-name)))
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(error "Can not binhex")))
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(and work-buffer (kill-buffer work-buffer))
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(ignore-errors
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(if file-name (delete-file file-name))))))
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;;;###autoload
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(defun binhex-decode-region (start end)
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"Binhex decode region between START and END."
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(interactive "r")
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(if binhex-use-external
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(binhex-decode-region-external start end)
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(binhex-decode-region-internal start end)))
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(provide 'binhex)
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;;; arch-tag: 8476badd-1e76-4f1d-a640-f9a38c72eed8
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;;; binhex.el ends here
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@ -1,237 +0,0 @@
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;;; uudecode.el -- elisp native uudecode
|
||||
|
||||
;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004,
|
||||
;; 2005, 2006, 2007 Free Software Foundation, Inc.
|
||||
|
||||
;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
|
||||
;; Keywords: uudecode news
|
||||
|
||||
;; This file is part of GNU Emacs.
|
||||
|
||||
;; GNU Emacs is free software; you can redistribute it and/or modify
|
||||
;; it under the terms of the GNU General Public License as published by
|
||||
;; the Free Software Foundation; either version 3, or (at your option)
|
||||
;; any later version.
|
||||
|
||||
;; GNU Emacs is distributed in the hope that it will be useful,
|
||||
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
;; GNU General Public License for more details.
|
||||
|
||||
;; You should have received a copy of the GNU General Public License
|
||||
;; along with GNU Emacs; see the file COPYING. If not, write to the
|
||||
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
||||
;; Boston, MA 02110-1301, USA.
|
||||
|
||||
;;; Commentary:
|
||||
|
||||
;;; Code:
|
||||
|
||||
(eval-when-compile (require 'cl))
|
||||
|
||||
(eval-and-compile
|
||||
(defalias 'uudecode-char-int
|
||||
(if (fboundp 'char-int)
|
||||
'char-int
|
||||
'identity)))
|
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|
||||
(defcustom uudecode-decoder-program "uudecode"
|
||||
"*Non-nil value should be a string that names a uu decoder.
|
||||
The program should expect to read uu data on its standard
|
||||
input and write the converted data to its standard output."
|
||||
:type 'string
|
||||
:group 'gnus-extract)
|
||||
|
||||
(defcustom uudecode-decoder-switches nil
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"*List of command line flags passed to `uudecode-decoder-program'."
|
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:group 'gnus-extract
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:type '(repeat string))
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||||
|
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(defcustom uudecode-use-external
|
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(executable-find uudecode-decoder-program)
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"*Use external uudecode program."
|
||||
:version "22.1"
|
||||
:group 'gnus-extract
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||||
:type 'boolean)
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||||
|
||||
(defconst uudecode-alphabet "\040-\140")
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||||
|
||||
(defconst uudecode-begin-line "^begin[ \t]+[0-7][0-7][0-7][ \t]+\\(.*\\)$")
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||||
(defconst uudecode-end-line "^end[ \t]*$")
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|
||||
(defconst uudecode-body-line
|
||||
(let ((i 61) (str "^M"))
|
||||
(while (> (setq i (1- i)) 0)
|
||||
(setq str (concat str "[^a-z]")))
|
||||
(concat str ".?$")))
|
||||
|
||||
(defvar uudecode-temporary-file-directory
|
||||
(cond ((fboundp 'temp-directory) (temp-directory))
|
||||
((boundp 'temporary-file-directory) temporary-file-directory)
|
||||
("/tmp")))
|
||||
|
||||
;;;###autoload
|
||||
(defun uudecode-decode-region-external (start end &optional file-name)
|
||||
"Uudecode region between START and END using external program.
|
||||
If FILE-NAME is non-nil, save the result to FILE-NAME. The program
|
||||
used is specified by `uudecode-decoder-program'."
|
||||
(interactive "r\nP")
|
||||
(let ((cbuf (current-buffer)) tempfile firstline status)
|
||||
(save-excursion
|
||||
(goto-char start)
|
||||
(when (re-search-forward uudecode-begin-line nil t)
|
||||
(forward-line 1)
|
||||
(setq firstline (point))
|
||||
(cond ((null file-name))
|
||||
((stringp file-name))
|
||||
(t
|
||||
(setq file-name (read-file-name "File to Name:"
|
||||
nil nil nil
|
||||
(match-string 1)))))
|
||||
(setq tempfile (if file-name
|
||||
(expand-file-name file-name)
|
||||
(if (fboundp 'make-temp-file)
|
||||
(let ((temporary-file-directory
|
||||
uudecode-temporary-file-directory))
|
||||
(make-temp-file "uu"))
|
||||
(expand-file-name
|
||||
(make-temp-name "uu")
|
||||
uudecode-temporary-file-directory))))
|
||||
(let ((cdir default-directory)
|
||||
(default-process-coding-system
|
||||
(if (featurep 'xemacs)
|
||||
;; In XEmacs, `nil' is not a valid coding system.
|
||||
'(binary . binary)
|
||||
nil)))
|
||||
(unwind-protect
|
||||
(with-temp-buffer
|
||||
(insert "begin 600 " (file-name-nondirectory tempfile) "\n")
|
||||
(insert-buffer-substring cbuf firstline end)
|
||||
(cd (file-name-directory tempfile))
|
||||
(apply 'call-process-region
|
||||
(point-min)
|
||||
(point-max)
|
||||
uudecode-decoder-program
|
||||
nil
|
||||
nil
|
||||
nil
|
||||
uudecode-decoder-switches))
|
||||
(cd cdir) (set-buffer cbuf)))
|
||||
(if (file-exists-p tempfile)
|
||||
(unless file-name
|
||||
(goto-char start)
|
||||
(delete-region start end)
|
||||
(let (format-alist)
|
||||
(insert-file-contents-literally tempfile)))
|
||||
(message "Can not uudecode")))
|
||||
(ignore-errors (or file-name (delete-file tempfile))))))
|
||||
|
||||
(eval-and-compile
|
||||
(defalias 'uudecode-string-to-multibyte
|
||||
(cond
|
||||
((featurep 'xemacs)
|
||||
'identity)
|
||||
((fboundp 'string-to-multibyte)
|
||||
'string-to-multibyte)
|
||||
(t
|
||||
(lambda (string)
|
||||
"Return a multibyte string with the same individual chars as string."
|
||||
(mapconcat
|
||||
(lambda (ch) (string-as-multibyte (char-to-string ch)))
|
||||
string ""))))))
|
||||
|
||||
;;;###autoload
|
||||
(defun uudecode-decode-region-internal (start end &optional file-name)
|
||||
"Uudecode region between START and END without using an external program.
|
||||
If FILE-NAME is non-nil, save the result to FILE-NAME."
|
||||
(interactive "r\nP")
|
||||
(let ((done nil)
|
||||
(counter 0)
|
||||
(remain 0)
|
||||
(bits 0)
|
||||
(lim 0) inputpos result
|
||||
(non-data-chars (concat "^" uudecode-alphabet)))
|
||||
(save-excursion
|
||||
(goto-char start)
|
||||
(when (re-search-forward uudecode-begin-line nil t)
|
||||
(cond ((null file-name))
|
||||
((stringp file-name))
|
||||
(t
|
||||
(setq file-name (expand-file-name
|
||||
(read-file-name "File to Name:"
|
||||
nil nil nil
|
||||
(match-string 1))))))
|
||||
(forward-line 1)
|
||||
(skip-chars-forward non-data-chars end)
|
||||
(while (not done)
|
||||
(setq inputpos (point))
|
||||
(setq remain 0 bits 0 counter 0)
|
||||
(cond
|
||||
((> (skip-chars-forward uudecode-alphabet end) 0)
|
||||
(setq lim (point))
|
||||
(setq remain
|
||||
(logand (- (uudecode-char-int (char-after inputpos)) 32)
|
||||
63))
|
||||
(setq inputpos (1+ inputpos))
|
||||
(if (= remain 0) (setq done t))
|
||||
(while (and (< inputpos lim) (> remain 0))
|
||||
(setq bits (+ bits
|
||||
(logand
|
||||
(-
|
||||
(uudecode-char-int (char-after inputpos)) 32)
|
||||
63)))
|
||||
(if (/= counter 0) (setq remain (1- remain)))
|
||||
(setq counter (1+ counter)
|
||||
inputpos (1+ inputpos))
|
||||
(cond ((= counter 4)
|
||||
(setq result (cons
|
||||
(concat
|
||||
(char-to-string (lsh bits -16))
|
||||
(char-to-string (logand (lsh bits -8) 255))
|
||||
(char-to-string (logand bits 255)))
|
||||
result))
|
||||
(setq bits 0 counter 0))
|
||||
(t (setq bits (lsh bits 6)))))))
|
||||
(cond
|
||||
(done)
|
||||
((> 0 remain)
|
||||
(error "uucode line ends unexpectly")
|
||||
(setq done t))
|
||||
((and (= (point) end) (not done))
|
||||
;;(error "uucode ends unexpectly")
|
||||
(setq done t))
|
||||
((= counter 3)
|
||||
(setq result (cons
|
||||
(concat
|
||||
(char-to-string (logand (lsh bits -16) 255))
|
||||
(char-to-string (logand (lsh bits -8) 255)))
|
||||
result)))
|
||||
((= counter 2)
|
||||
(setq result (cons
|
||||
(char-to-string (logand (lsh bits -10) 255))
|
||||
result))))
|
||||
(skip-chars-forward non-data-chars end))
|
||||
(if file-name
|
||||
(let (default-enable-multibyte-characters)
|
||||
(with-temp-file file-name
|
||||
(insert (apply 'concat (nreverse result)))))
|
||||
(or (markerp end) (setq end (set-marker (make-marker) end)))
|
||||
(goto-char start)
|
||||
(if enable-multibyte-characters
|
||||
(mapc #'(lambda (x) (insert (uudecode-string-to-multibyte x)))
|
||||
(nreverse result))
|
||||
(insert (apply 'concat (nreverse result))))
|
||||
(delete-region (point) end))))))
|
||||
|
||||
;;;###autoload
|
||||
(defun uudecode-decode-region (start end &optional file-name)
|
||||
"Uudecode region between START and END.
|
||||
If FILE-NAME is non-nil, save the result to FILE-NAME."
|
||||
(if uudecode-use-external
|
||||
(uudecode-decode-region-external start end file-name)
|
||||
(uudecode-decode-region-internal start end file-name)))
|
||||
|
||||
(provide 'uudecode)
|
||||
|
||||
;;; arch-tag: e1f09ed5-62b4-4677-9f13-4e81c4fe8ce3
|
||||
;;; uudecode.el ends here
|
||||
Loading…
Reference in a new issue