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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
interface nsIURI;
/**
* nsINestedURI is an interface that must be implemented by any nsIURI
* implementation which has an "inner" URI that it actually gets data
* from.
*
* For example, if URIs for the scheme "sanitize" have the structure:
*
* sanitize:http://example.com
*
* and opening a channel on such a sanitize: URI gets the data from
* http://example.com, sanitizes it, and returns it, then the sanitize: URI
* should implement nsINestedURI and return the http://example.com URI as its
* inner URI.
*/
[scriptable, uuid(6de2c874-796c-46bf-b57f-0d7bd7d6cab0)]
interface nsINestedURI : nsISupports
{
/**
* The inner URI for this nested URI. This must not return null if the
* getter succeeds; URIs that have no inner must not QI to this interface.
* Dynamically changing whether there is an inner URI is not allowed.
*
* Modifying the returned URI must not in any way modify the nested URI; this
* means the returned URI must be either immutable or a clone.
*/
readonly attribute nsIURI innerURI;
/**
* The innermost URI for this nested URI. This must not return null if the
* getter succeeds. This is equivalent to repeatedly calling innerURI while
* the returned URI QIs to nsINestedURI.
*
* Modifying the returned URI must not in any way modify the nested URI; this
* means the returned URI must be either immutable or a clone.
*/
readonly attribute nsIURI innermostURI;
};
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