rdf/base/idl/nsIRDFResource.idl

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #include "nsrootidl.idl"
michael@0 7 #include "nsIRDFNode.idl"
michael@0 8
michael@0 9
michael@0 10 /**
michael@0 11 * An nsIRDFResource is an object that has unique identity in the
michael@0 12 * RDF data model. The object's identity is determined by its URI.
michael@0 13 */
michael@0 14 [scriptable, uuid(fb9686a7-719a-49dc-9107-10dea5739341)]
michael@0 15 interface nsIRDFResource : nsIRDFNode {
michael@0 16 /**
michael@0 17 * The single-byte string value of the resource.
michael@0 18 * @note THIS IS OBSOLETE. C++ should use GetValueConst and script
michael@0 19 * should use .valueUTF8
michael@0 20 */
michael@0 21 readonly attribute string Value;
michael@0 22
michael@0 23 /**
michael@0 24 * The UTF-8 URI of the resource.
michael@0 25 */
michael@0 26 readonly attribute AUTF8String ValueUTF8;
michael@0 27
michael@0 28 /**
michael@0 29 * An unscriptable version used to avoid a string copy. Meant
michael@0 30 * for use as a performance optimization. The string is encoded
michael@0 31 * in UTF-8.
michael@0 32 */
michael@0 33 [noscript] void GetValueConst([shared] out string aConstValue);
michael@0 34
michael@0 35 /**
michael@0 36 * This method is called by the nsIRDFService after constructing
michael@0 37 * a resource object to initialize its URI. You would not normally
michael@0 38 * call this method directly
michael@0 39 */
michael@0 40 void Init(in string uri);
michael@0 41
michael@0 42 /**
michael@0 43 * Determine if the resource has the given URI.
michael@0 44 */
michael@0 45 boolean EqualsString(in string aURI);
michael@0 46
michael@0 47 /**
michael@0 48 * Retrieve the "delegate" object for this resource. A resource
michael@0 49 * may have several delegate objects, each of whose lifetimes is
michael@0 50 * bound to the life of the resource object.
michael@0 51 *
michael@0 52 * This method will return the delegate for the given key after
michael@0 53 * QueryInterface()-ing it to the requested IID.
michael@0 54 *
michael@0 55 * If no delegate exists for the specified key, this method will
michael@0 56 * attempt to create one using the component manager. Specifically,
michael@0 57 * it will combine aKey with the resource's URI scheme to produce
michael@0 58 * a ContractID as follows:
michael@0 59 *
michael@0 60 * component:/rdf/delegate-factory/[key]/[scheme]
michael@0 61 *
michael@0 62 * This ContractID will be used to locate a factory using the
michael@0 63 * FindFactory() method of nsIComponentManager. If the nsIFactory
michael@0 64 * exists, it will be used to create a "delegate factory"; that
michael@0 65 * is, an object that supports nsIRDFDelegateFactory. The delegate
michael@0 66 * factory will be used to construct the delegate object.
michael@0 67 */
michael@0 68 void GetDelegate(in string aKey, in nsIIDRef aIID,
michael@0 69 [iid_is(aIID),retval] out nsQIResult aResult);
michael@0 70
michael@0 71 /**
michael@0 72 * Force a delegate to be "unbound" from the resource.
michael@0 73 *
michael@0 74 * Normally, a delegate object's lifetime will be identical to
michael@0 75 * that of the resource to which it is bound; this method allows a
michael@0 76 * delegate to unlink itself from an RDF resource prematurely.
michael@0 77 */
michael@0 78 void ReleaseDelegate(in string aKey);
michael@0 79 };
michael@0 80
michael@0 81

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