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- ;;; url-parse.el --- Uniform Resource Locator parser
- ;; Author: wmperry
- ;; Created: 1997/10/17 14:08:05
- ;; Version: 1.7
- ;; Keywords: comm, data, processes
-
- ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- ;;; Copyright (c) 1993-1996 by William M. Perry <wmperry@cs.indiana.edu>
- ;;; Copyright (c) 1996, 1997 Free Software Foundation, Inc.
- ;;;
- ;;; This file is not part of GNU Emacs, but the same permissions apply.
- ;;;
- ;;; 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 2, 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., 59 Temple Place - Suite 330,
- ;;; Boston, MA 02111-1307, USA.
- ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- (defmacro url-type (urlobj)
- (` (aref (, urlobj) 0)))
-
- (defmacro url-user (urlobj)
- (` (aref (, urlobj) 1)))
-
- (defmacro url-password (urlobj)
- (` (aref (, urlobj) 2)))
-
- (defmacro url-host (urlobj)
- (` (aref (, urlobj) 3)))
-
- (defmacro url-port (urlobj)
- (` (or (aref (, urlobj) 4)
- (if (url-fullness (, urlobj))
- (cdr-safe (assoc (url-type (, urlobj)) url-default-ports))))))
-
- (defmacro url-filename (urlobj)
- (` (aref (, urlobj) 5)))
-
- (defmacro url-target (urlobj)
- (` (aref (, urlobj) 6)))
-
- (defmacro url-attributes (urlobj)
- (` (aref (, urlobj) 7)))
-
- (defmacro url-fullness (urlobj)
- (` (aref (, urlobj) 8)))
-
- (defmacro url-set-type (urlobj type)
- (` (aset (, urlobj) 0 (, type))))
-
- (defmacro url-set-user (urlobj user)
- (` (aset (, urlobj) 1 (, user))))
-
- (defmacro url-set-password (urlobj pass)
- (` (aset (, urlobj) 2 (, pass))))
-
- (defmacro url-set-host (urlobj host)
- (` (aset (, urlobj) 3 (, host))))
-
- (defmacro url-set-port (urlobj port)
- (` (aset (, urlobj) 4 (, port))))
-
- (defmacro url-set-filename (urlobj file)
- (` (aset (, urlobj) 5 (, file))))
-
- (defmacro url-set-target (urlobj targ)
- (` (aset (, urlobj) 6 (, targ))))
-
- (defmacro url-set-attributes (urlobj targ)
- (` (aset (, urlobj) 7 (, targ))))
-
- (defmacro url-set-full (urlobj val)
- (` (aset (, urlobj) 8 (, val))))
-
- (defun url-recreate-url (urlobj)
- (concat (url-type urlobj) ":" (if (url-host urlobj) "//" "")
- (if (url-user urlobj)
- (concat (url-user urlobj)
- (if (url-password urlobj)
- (concat ":" (url-password urlobj)))
- "@"))
- (url-host urlobj)
- (if (and (url-port urlobj)
- (not (equal (url-port urlobj)
- (cdr-safe (assoc (url-type urlobj)
- url-default-ports)))))
- (concat ":" (url-port urlobj)))
- (or (url-filename urlobj) "/")
- (if (url-target urlobj)
- (concat "#" (url-target urlobj)))
- (if (url-attributes urlobj)
- (concat ";"
- (mapconcat
- (function
- (lambda (x)
- (if (cdr x)
- (concat (car x) "=" (cdr x))
- (car x)))) (url-attributes urlobj) ";")))))
-
- (defun url-generic-parse-url (url)
- "Return a vector of the parts of URL.
- Format is:
- [proto username password hostname portnumber file reference attributes fullp]"
- (cond
- ((null url)
- (make-vector 9 nil))
- ((or (not (string-match url-nonrelative-link url))
- (= ?/ (string-to-char url)))
- (let ((retval (make-vector 9 nil)))
- (url-set-filename retval url)
- (url-set-full retval nil)
- retval))
- (t
- (save-excursion
- (set-buffer (get-buffer-create " *urlparse*"))
- (set-syntax-table url-mailserver-syntax-table)
- (let ((save-pos nil)
- (prot nil)
- (user nil)
- (pass nil)
- (host nil)
- (port nil)
- (file nil)
- (refs nil)
- (attr nil)
- (full nil)
- (inhibit-read-only t))
- (erase-buffer)
- (insert url)
- (goto-char (point-min))
- (setq save-pos (point))
- (if (not (looking-at "//"))
- (progn
- (skip-chars-forward "a-zA-Z+.\\-")
- (downcase-region save-pos (point))
- (setq prot (buffer-substring save-pos (point)))
- (skip-chars-forward ":")
- (setq save-pos (point))))
-
- ;; We are doing a fully specified URL, with hostname and all
- (if (looking-at "//")
- (progn
- (setq full t)
- (forward-char 2)
- (setq save-pos (point))
- (skip-chars-forward "^/")
- (setq host (buffer-substring save-pos (point)))
- (if (string-match "^\\([^@]+\\)@" host)
- (setq user (url-match host 1)
- host (substring host (match-end 0) nil)))
- (if (and user (string-match "\\([^:]+\\):\\(.*\\)" user))
- (setq pass (url-match user 2)
- user (url-match user 1)))
- (if (string-match ":\\([0-9+]+\\)" host)
- (setq port (url-match host 1)
- host (substring host 0 (match-beginning 0))))
- (if (string-match ":$" host)
- (setq host (substring host 0 (match-beginning 0))))
- (setq host (downcase host)
- save-pos (point))))
- ;; Now check for references
- (setq save-pos (point))
- (skip-chars-forward "^#")
- (if (eobp)
- nil
- (delete-region
- (point)
- (progn
- (skip-chars-forward "#")
- (setq refs (buffer-substring (point) (point-max)))
- (point-max))))
- (goto-char save-pos)
- (skip-chars-forward "^;")
- (if (not (eobp))
- (setq attr (mm-parse-args (point) (point-max))
- attr (nreverse attr)))
- (setq file (buffer-substring save-pos (point)))
- (and port (string= port (or (cdr-safe (assoc prot url-default-ports))
- ""))
- (setq port nil))
- (if (and host (string-match "%[0-9][0-9]" host))
- (setq host (url-unhex-string host)))
- (vector prot user pass host port file refs attr full))))))
-
- (provide 'url-parse)
-