1;;; url-misc.el --- Misc Uniform Resource Locator retrieval code 2 3;; Copyright (C) 1996, 1997, 1998, 1999, 2002, 2004, 4;; 2005, 2006, 2007 Free Software Foundation, Inc. 5 6;; Keywords: comm, data, processes 7 8;; This file is part of GNU Emacs. 9 10;; GNU Emacs is free software; you can redistribute it and/or modify 11;; it under the terms of the GNU General Public License as published by 12;; the Free Software Foundation; either version 2, or (at your option) 13;; any later version. 14 15;; GNU Emacs is distributed in the hope that it will be useful, 16;; but WITHOUT ANY WARRANTY; without even the implied warranty of 17;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18;; GNU General Public License for more details. 19 20;; You should have received a copy of the GNU General Public License 21;; along with GNU Emacs; see the file COPYING. If not, write to the 22;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 23;; Boston, MA 02110-1301, USA. 24 25;;; Code: 26 27(eval-when-compile (require 'cl)) 28(require 'url-vars) 29(require 'url-parse) 30(autoload 'Info-goto-node "info" "" t) 31(autoload 'man "man" nil t) 32 33;;;###autoload 34(defun url-man (url) 35 "Fetch a Unix manual page URL." 36 (man (url-filename url)) 37 nil) 38 39;;;###autoload 40(defun url-info (url) 41 "Fetch a GNU Info URL." 42 ;; Fetch an info node 43 (let* ((fname (url-filename url)) 44 (node (url-unhex-string (or (url-target url) "Top")))) 45 (if (and fname node) 46 (Info-goto-node (concat "(" fname ")" node)) 47 (error "Malformed url: %s" (url-recreate-url url))) 48 nil)) 49 50(defun url-do-terminal-emulator (type server port user) 51 (terminal-emulator 52 (generate-new-buffer (format "%s%s" (if user (concat user "@") "") server)) 53 (case type 54 (rlogin "rlogin") 55 (telnet "telnet") 56 (tn3270 "tn3270") 57 (otherwise 58 (error "Unknown terminal emulator required: %s" type))) 59 (case type 60 (rlogin 61 (if user 62 (list server "-l" user) 63 (list server))) 64 (telnet 65 (if user (message "Please log in as user: %s" user)) 66 (if port 67 (list server port) 68 (list server))) 69 (tn3270 70 (if user (message "Please log in as user: %s" user)) 71 (list server))))) 72 73;;;###autoload 74(defun url-generic-emulator-loader (url) 75 (let* ((type (intern (downcase (url-type url)))) 76 (server (url-host url)) 77 (name (url-user url)) 78 (port (url-port url))) 79 (url-do-terminal-emulator type server port name)) 80 nil) 81 82;;;###autoload 83(defalias 'url-rlogin 'url-generic-emulator-loader) 84;;;###autoload 85(defalias 'url-telnet 'url-generic-emulator-loader) 86;;;###autoload 87(defalias 'url-tn3270 'url-generic-emulator-loader) 88 89;; RFC 2397 90;;;###autoload 91(defun url-data (url) 92 "Fetch a data URL (RFC 2397)." 93 (let ((mediatype nil) 94 ;; The mediatype may need to be hex-encoded too -- see the RFC. 95 (desc (url-unhex-string (url-filename url))) 96 (encoding "8bit") 97 (data nil)) 98 (save-excursion 99 (if (not (string-match "\\([^,]*\\)?," desc)) 100 (error "Malformed data URL: %s" desc) 101 (setq mediatype (match-string 1 desc)) 102 (if (and mediatype (string-match ";base64\\'" mediatype)) 103 (setq mediatype (substring mediatype 0 (match-beginning 0)) 104 encoding "base64")) 105 (if (or (null mediatype) 106 (eq ?\; (aref mediatype 0))) 107 (setq mediatype (concat "text/plain" mediatype))) 108 (setq data (url-unhex-string (substring desc (match-end 0))))) 109 (set-buffer (generate-new-buffer " *url-data*")) 110 (mm-disable-multibyte) 111 (insert (format "Content-Length: %d\n" (length data)) 112 "Content-Type: " mediatype "\n" 113 "Content-Encoding: " encoding "\n" 114 "\n") 115 (if data (insert data)) 116 (current-buffer)))) 117 118(provide 'url-misc) 119 120;;; arch-tag: 8c544e1b-d8bc-40a6-b319-f1f37fef65a0 121;;; url-misc.el ends here 122