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122 lines
3.6 KiB
EmacsLisp
122 lines
3.6 KiB
EmacsLisp
;;; url-misc.el --- Misc Uniform Resource Locator retrieval code
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;; Copyright (C) 1996, 1997, 1998, 1999, 2002, 2004,
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;; 2005, 2006 Free Software Foundation, Inc.
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;; Keywords: comm, data, processes
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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 2, 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
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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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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;;; Code:
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(eval-when-compile (require 'cl))
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(require 'url-vars)
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(require 'url-parse)
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(autoload 'Info-goto-node "info" "" t)
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(autoload 'man "man" nil t)
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;;;###autoload
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(defun url-man (url)
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"Fetch a Unix manual page URL."
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(man (url-filename url))
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nil)
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;;;###autoload
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(defun url-info (url)
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"Fetch a GNU Info URL."
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;; Fetch an info node
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(let* ((fname (url-filename url))
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(node (url-unhex-string (or (url-target url) "Top"))))
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(if (and fname node)
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(Info-goto-node (concat "(" fname ")" node))
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(error "Malformed url: %s" (url-recreate-url url)))
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nil))
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(defun url-do-terminal-emulator (type server port user)
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(terminal-emulator
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(generate-new-buffer (format "%s%s" (if user (concat user "@") "") server))
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(case type
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(rlogin "rlogin")
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(telnet "telnet")
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(tn3270 "tn3270")
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(otherwise
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(error "Unknown terminal emulator required: %s" type)))
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(case type
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(rlogin
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(if user
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(list server "-l" user)
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(list server)))
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(telnet
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(if user (message "Please log in as user: %s" user))
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(if port
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(list server port)
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(list server)))
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(tn3270
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(if user (message "Please log in as user: %s" user))
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(list server)))))
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;;;###autoload
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(defun url-generic-emulator-loader (url)
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(let* ((type (intern (downcase (url-type url))))
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(server (url-host url))
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(name (url-user url))
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(port (url-port url)))
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(url-do-terminal-emulator type server port name))
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nil)
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;;;###autoload
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(defalias 'url-rlogin 'url-generic-emulator-loader)
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;;;###autoload
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(defalias 'url-telnet 'url-generic-emulator-loader)
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;;;###autoload
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(defalias 'url-tn3270 'url-generic-emulator-loader)
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;; RFC 2397
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;;;###autoload
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(defun url-data (url)
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"Fetch a data URL (RFC 2397)."
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(let ((mediatype nil)
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;; The mediatype may need to be hex-encoded too -- see the RFC.
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(desc (url-unhex-string (url-filename url)))
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(encoding "8bit")
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(data nil))
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(save-excursion
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(if (not (string-match "\\([^,]*\\)?," desc))
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(error "Malformed data URL: %s" desc)
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(setq mediatype (match-string 1 desc))
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(if (and mediatype (string-match ";base64\\'" mediatype))
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(setq mediatype (substring mediatype 0 (match-beginning 0))
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encoding "base64"))
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(if (or (null mediatype)
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(eq ?\; (aref mediatype 0)))
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(setq mediatype (concat "text/plain" mediatype)))
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(setq data (url-unhex-string (substring desc (match-end 0)))))
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(set-buffer (generate-new-buffer " *url-data*"))
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(mm-disable-multibyte)
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(insert (format "Content-Length: %d\n" (length data))
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"Content-Type: " mediatype "\n"
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"Content-Encoding: " encoding "\n"
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"\n")
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(if data (insert data))
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(current-buffer))))
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(provide 'url-misc)
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;;; arch-tag: 8c544e1b-d8bc-40a6-b319-f1f37fef65a0
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;;; url-misc.el ends here
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