/* -*- Mode: C++; tab-width: 4; 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 "nsIRDFNode.idl"

%{C++
#include "nscore.h" // for PRUnichar
%}

[ptr] native const_octet_ptr(const PRUint8);

/**
 * A literal node in the graph, whose value is a string.
 */
[scriptable, uuid(E0C493D2-9542-11d2-8EB8-00805F29F370)]
interface nsIRDFLiteral : nsIRDFNode {
    /**
     * The Unicode string value of the literal.
     */
    readonly attribute wstring Value;

    /**
     * An unscriptable version used to avoid a string copy. Meant
     * for use as a performance optimization.
     */
    [noscript] void GetValueConst([shared] out wstring aConstValue);
};

/**
 * A literal node in the graph, whose value is a date
 */
[scriptable, uuid(E13A24E1-C77A-11d2-80BE-006097B76B8E)]
interface nsIRDFDate : nsIRDFNode {
    /**
     * The date value of the literal
     */
    readonly attribute long long Value;
};

/**
 * A literal node in the graph, whose value is an integer
 */
[scriptable, uuid(E13A24E3-C77A-11d2-80BE-006097B76B8E)]
interface nsIRDFInt : nsIRDFNode {
    /**
     * The integer value of the literal
     */
    readonly attribute long Value;
};

/**
 * A literal node in the graph, whose value is arbitrary
 * binary data.
 */
[scriptable, uuid(237f85a2-1dd2-11b2-94af-8122582fc45e)]
interface nsIRDFBlob : nsIRDFNode {
    /**
     * The binary data.
     */
    [noscript] readonly attribute const_octet_ptr value;

    /**
     * The data's length.
     */
    readonly attribute long length;
};
