/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Gagan Saksena <gagan@netscape.com> (original author)
 *   Denis Antrushin <adu@sparc.spb.su>
 *   Darin Fisher <darin@netscape.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"

/** 
 * The nsIProxyAutoConfig interface is used for setting arbitrary proxy
 * configurations based on the specified URL. 
 *
 * Note this interface wraps (at least in the implementation) the older
 * hacks of proxy auto config. 
 *
 *  - Gagan Saksena 04/23/00 
 */

[scriptable, uuid(a42619df-0a1c-46fb-8154-0e9b8f8f1ea8)]
interface nsIProxyAutoConfig : nsISupports
{
    /**
     * This method initializes the object.  This method may be called multiple
     * times.  If either parameter is an empty value, then the object is
     * reset to its initial state.
     *
     * @param aPACURI
     *        URI used to fetch the PAC script.  This is needed for properly
     *        constructing the JS sandbox used to evaluate the PAC script.
     * @param aPACScript
     *        Javascript program text.
     */
    void init(in ACString aPACURI, in AString aPACScript);

    /**
     * Get the proxy string for the specified URI.  The proxy string is
     * given by the following:
     *   
     *   result      = proxy-spec *( proxy-sep proxy-spec )
     *   proxy-spec  = direct-type | proxy-type LWS proxy-host [":" proxy-port]
     *   direct-type = "DIRECT"
     *   proxy-type  = "PROXY" | "SOCKS" | "SOCKS4" | "SOCKS5"
     *   proxy-sep   = ";" LWS
     *   proxy-host  = hostname | ipv4-address-literal
     *   proxy-port  = <any 16-bit unsigned integer>
     *   LWS         = *( SP | HT )
     *   SP          = <US-ASCII SP, space (32)>
     *   HT          = <US-ASCII HT, horizontal-tab (9)>
     *
     * NOTE: direct-type and proxy-type are case insensitive
     * NOTE: SOCKS implies SOCKS4
     *
     * Examples:
     *   "PROXY proxy1.foo.com:8080; PROXY proxy2.foo.com:8080; DIRECT"
     *   "SOCKS socksproxy"
     *   "DIRECT"
     *
     * XXX add support for IPv6 address literals.
     * XXX quote whatever the official standard is for PAC.
     *
     * @param aTestURI
     *        The URI as an ASCII string to test.
     * @param aTestHost
     *        The ASCII hostname to test.
     *
     * @return PAC result string as defined above.
     */
    ACString getProxyForURI(in ACString aTestURI, in ACString aTestHost);
};