/* -*- Mode: C++; tab-width: 2; 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 (original author) * Darin Fisher * * 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" /** * URIs are essentially structured names for things -- anything. This interface * provides accessors to set and query the most basic components of an URI. * Subclasses, including nsIURL, impose greater structure on the URI. * * This interface follows Tim Berners-Lee's URI spec (RFC2396) [1], where the * basic URI components are defined as such: * 
 
 *      ftp://username:password@hostname:portnumber/pathname
 *      \ /   \               / \      / \        /\       /
 *       -     ---------------   ------   --------  -------
 *       |            |             |        |         |
 *       |            |             |        |        Path
 *       |            |             |       Port         
 *       |            |            Host      /
 *       |         UserPass                 /
 *     Scheme                              /
 *       \                                /
 *        --------------------------------
 *                       |
 *                    PrePath
 *
* The definition of the URI components has been extended to allow for * internationalized domain names [2] and the more generic IRI structure [3]. * * [1] http://www.ietf.org/rfc/rfc2396.txt * [2] http://www.ietf.org/internet-drafts/draft-ietf-idn-idna-06.txt * [3] http://www.ietf.org/internet-drafts/draft-masinter-url-i18n-08.txt */ %{C++ #undef GetPort // XXX Windows! #undef SetPort // XXX Windows! %} /** * nsIURI - interface for an uniform resource identifier w/ i18n support. * * AUTF8String attributes may contain unescaped UTF-8 characters. * Consumers should be careful to escape the UTF-8 strings as necessary, but * should always try to "display" the UTF-8 version as provided by this * interface. * * AUTF8String attributes may also contain escaped characters. * * Unescaping URI segments is unadvised unless there is intimate * knowledge of the underlying charset or there is no plan to display (or * otherwise enforce a charset on) the resulting URI substring. * * The correct way to create an nsIURI from a string is via * nsIIOService.newURI. * * @status FROZEN */ [scriptable, uuid(07a22cc0-0ce5-11d3-9331-00104ba0fd40)] interface nsIURI : nsISupports { /************************************************************************ * The URI is broken down into the following principal components: */ /** * Returns a string representation of the URI. Setting the spec causes * the new spec to be parsed per the rules for the scheme the URI * currently has. In particular, setting the spec to a URI string with a * different scheme will generally produce incorrect results; no one * outside of a protocol handler implementation should be doing that. If * the URI stores information from the nsIIOService.newURI call used to * create it other than just the parsed string, then behavior of this * information on setting the spec attribute is undefined. * * Some characters may be escaped. */ attribute AUTF8String spec; /** * The prePath (eg. scheme://user:password@host:port) returns the string * before the path. This is useful for authentication or managing sessions. * * Some characters may be escaped. */ readonly attribute AUTF8String prePath; /** * The Scheme is the protocol to which this URI refers. The scheme is * restricted to the US-ASCII charset per RFC2396. Setting this is * highly discouraged outside of a protocol handler implementation, since * that will generally lead to incorrect results. */ attribute ACString scheme; /** * The username:password (or username only if value doesn't contain a ':') * * Some characters may be escaped. */ attribute AUTF8String userPass; /** * The optional username and password, assuming the preHost consists of * username:password. * * Some characters may be escaped. */ attribute AUTF8String username; attribute AUTF8String password; /** * The host:port (or simply the host, if port == -1). * * Characters are NOT escaped. */ attribute AUTF8String hostPort; /** * The host is the internet domain name to which this URI refers. It could * be an IPv4 (or IPv6) address literal. If supported, it could be a * non-ASCII internationalized domain name. * * Characters are NOT escaped. */ attribute AUTF8String host; /** * A port value of -1 corresponds to the protocol's default port (eg. -1 * implies port 80 for http URIs). */ attribute long port; /** * The path, typically including at least a leading '/' (but may also be * empty, depending on the protocol). * * Some characters may be escaped. */ attribute AUTF8String path; /************************************************************************ * An URI supports the following methods: */ /** * URI equivalence test (not a strict string comparison). * * eg. http://foo.com:80/ == http://foo.com/ */ boolean equals(in nsIURI other); /** * An optimization to do scheme checks without requiring the users of nsIURI * to GetScheme, thereby saving extra allocating and freeing. Returns true if * the schemes match (case ignored). */ boolean schemeIs(in string scheme); /** * Clones the current URI. For some protocols, this is more than just an * optimization. For example, under MacOS, the spec of a file URL does not * necessarily uniquely identify a file since two volumes could share the * same name. */ nsIURI clone(); /** * This method resolves a relative string into an absolute URI string, * using this URI as the base. * * NOTE: some implementations may have no concept of a relative URI. */ AUTF8String resolve(in AUTF8String relativePath); /************************************************************************ * Additional attributes: */ /** * The URI spec with an ASCII compatible encoding. Host portion follows * the IDNA draft spec. Other parts are URL-escaped per the rules of * RFC2396. The result is strictly ASCII. */ readonly attribute ACString asciiSpec; /** * The URI host with an ASCII compatible encoding. Follows the IDNA * draft spec for converting internationalized domain names (UTF-8) to * ASCII for compatibility with existing internet infrasture. */ readonly attribute ACString asciiHost; /** * The charset of the document from which this URI originated. An empty * value implies UTF-8. * * If this value is something other than UTF-8 then the URI components * (e.g., spec, prePath, username, etc.) will all be fully URL-escaped. * Otherwise, the URI components may contain unescaped multibyte UTF-8 * characters. */ readonly attribute ACString originCharset; };