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242 lines
8.7 KiB
Plaintext
242 lines
8.7 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Gagan Saksena <gagan@netscape.com> (original author)
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* Darin Fisher <darin@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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/**
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* URIs are essentially structured names for things -- anything. This interface
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* provides accessors to set and query the most basic components of an URI.
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* Subclasses, including nsIURL, impose greater structure on the URI.
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*
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* This interface follows Tim Berners-Lee's URI spec (RFC2396) [1], where the
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* basic URI components are defined as such:
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* <pre>
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* ftp://username:password@hostname:portnumber/pathname
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* \ / \ / \ / \ /\ /
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* - --------------- ------ -------- -------
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* | | | | |
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* | | | | Path
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* | | | Port
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* | | Host /
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* | UserPass /
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* Scheme /
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* \ /
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* --------------------------------
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* |
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* PrePath
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* </pre>
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* The definition of the URI components has been extended to allow for
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* internationalized domain names [2] and the more generic IRI structure [3].
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*
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* [1] http://www.ietf.org/rfc/rfc2396.txt
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* [2] http://www.ietf.org/internet-drafts/draft-ietf-idn-idna-06.txt
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* [3] http://www.ietf.org/internet-drafts/draft-masinter-url-i18n-08.txt
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*/
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%{C++
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#undef GetPort // XXX Windows!
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#undef SetPort // XXX Windows!
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%}
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/**
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* nsIURI - interface for an uniform resource identifier w/ i18n support.
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*
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* AUTF8String attributes may contain unescaped UTF-8 characters.
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* Consumers should be careful to escape the UTF-8 strings as necessary, but
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* should always try to "display" the UTF-8 version as provided by this
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* interface.
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*
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* AUTF8String attributes may also contain escaped characters.
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*
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* Unescaping URI segments is unadvised unless there is intimate
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* knowledge of the underlying charset or there is no plan to display (or
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* otherwise enforce a charset on) the resulting URI substring.
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*
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* The correct way to create an nsIURI from a string is via
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* nsIIOService.newURI.
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*/
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[scriptable, uuid(07a22cc0-0ce5-11d3-9331-00104ba0fd40)]
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interface nsIURI : nsISupports
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{
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/************************************************************************
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* The URI is broken down into the following principal components:
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*/
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/**
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* Returns a string representation of the URI. Setting the spec causes
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* the new spec to be parsed per the rules for the scheme the URI
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* currently has. In particular, setting the spec to a URI string with a
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* different scheme will generally produce incorrect results; no one
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* outside of a protocol handler implementation should be doing that. If
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* the URI stores information from the nsIIOService.newURI call used to
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* create it other than just the parsed string, then behavior of this
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* information on setting the spec attribute is undefined.
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*
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* Some characters may be escaped.
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*/
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attribute AUTF8String spec;
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/**
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* The prePath (eg. scheme://user:password@host:port) returns the string
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* before the path. This is useful for authentication or managing sessions.
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*
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* Some characters may be escaped.
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*/
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readonly attribute AUTF8String prePath;
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/**
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* The Scheme is the protocol to which this URI refers. The scheme is
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* restricted to the US-ASCII charset per RFC2396. Setting this is
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* highly discouraged outside of a protocol handler implementation, since
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* that will generally lead to incorrect results.
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*/
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attribute ACString scheme;
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/**
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* The username:password (or username only if value doesn't contain a ':')
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*
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* Some characters may be escaped.
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*/
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attribute AUTF8String userPass;
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/**
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* The optional username and password, assuming the preHost consists of
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* username:password.
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*
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* Some characters may be escaped.
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*/
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attribute AUTF8String username;
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attribute AUTF8String password;
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/**
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* The host:port (or simply the host, if port == -1).
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*
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* Characters are NOT escaped.
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*/
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attribute AUTF8String hostPort;
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/**
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* The host is the internet domain name to which this URI refers. It could
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* be an IPv4 (or IPv6) address literal. If supported, it could be a
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* non-ASCII internationalized domain name.
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*
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* Characters are NOT escaped.
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*/
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attribute AUTF8String host;
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/**
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* A port value of -1 corresponds to the protocol's default port (eg. -1
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* implies port 80 for http URIs).
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*/
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attribute long port;
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/**
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* The path, typically including at least a leading '/' (but may also be
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* empty, depending on the protocol).
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*
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* Some characters may be escaped.
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*/
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attribute AUTF8String path;
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/************************************************************************
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* An URI supports the following methods:
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*/
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/**
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* URI equivalence test (not a strict string comparison).
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*
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* eg. http://foo.com:80/ == http://foo.com/
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*/
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boolean equals(in nsIURI other);
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/**
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* An optimization to do scheme checks without requiring the users of nsIURI
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* to GetScheme, thereby saving extra allocating and freeing. Returns true if
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* the schemes match (case ignored).
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*/
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boolean schemeIs(in string scheme);
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/**
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* Clones the current URI. For some protocols, this is more than just an
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* optimization. For example, under MacOS, the spec of a file URL does not
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* necessarily uniquely identify a file since two volumes could share the
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* same name.
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*/
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nsIURI clone();
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/**
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* This method resolves a relative string into an absolute URI string,
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* using this URI as the base.
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*
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* NOTE: some implementations may have no concept of a relative URI.
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*/
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AUTF8String resolve(in AUTF8String relativePath);
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/************************************************************************
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* Additional attributes:
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*/
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/**
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* The URI spec with an ASCII compatible encoding. Host portion follows
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* the IDNA draft spec. Other parts are URL-escaped per the rules of
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* RFC2396. The result is strictly ASCII.
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*/
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readonly attribute ACString asciiSpec;
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/**
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* The URI host with an ASCII compatible encoding. Follows the IDNA
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* draft spec for converting internationalized domain names (UTF-8) to
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* ASCII for compatibility with existing internet infrasture.
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*/
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readonly attribute ACString asciiHost;
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/**
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* The charset of the document from which this URI originated. An empty
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* value implies UTF-8.
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*
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* If this value is something other than UTF-8 then the URI components
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* (e.g., spec, prePath, username, etc.) will all be fully URL-escaped.
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* Otherwise, the URI components may contain unescaped multibyte UTF-8
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* characters.
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*/
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readonly attribute ACString originCharset;
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};
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