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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsIProtocolHandler.idl"
/**
* Protocol handler superinterface for a protocol which performs substitutions
* from URIs of its scheme to URIs of another scheme.
*/
[scriptable, uuid(154c64fd-a69e-4105-89f8-bd7dfe621372)]
interface nsISubstitutingProtocolHandler : nsIProtocolHandler
{
/**
* Sets the substitution for the root key:
* resource://root/path ==> baseURI.resolve(path)
*
* A null baseURI removes the specified substitution.
*
* A root key should always be lowercase; however, this may not be
* enforced.
*/
void setSubstitution(in ACString root, in nsIURI baseURI);
/**
* Gets the substitution for the root key.
*
* @throws NS_ERROR_NOT_AVAILABLE if none exists.
*/
nsIURI getSubstitution(in ACString root);
/**
* Returns TRUE if the substitution exists and FALSE otherwise.
*/
boolean hasSubstitution(in ACString root);
/**
* Utility function to resolve a substituted URI. A resolved URI is not
* guaranteed to reference a resource that exists (ie. opening a channel to
* the resolved URI may fail).
*
* @throws NS_ERROR_NOT_AVAILABLE if resURI.host() is an unknown root key.
*/
AUTF8String resolveURI(in nsIURI resURI);
};
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