зеркало из https://github.com/mozilla/gecko-dev.git
74 строки
2.6 KiB
C++
74 строки
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is XPCOM Array implementation.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corp.
|
|
* Portions created by the Initial Developer are Copyright (C) 2002
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Alec Flett <alecf@netscape.com>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#ifndef nsArrayUtils_h__
|
|
#define nsArrayUtils_h__
|
|
|
|
#include "nsCOMPtr.h"
|
|
#include "nsIArray.h"
|
|
|
|
// helper class for do_QueryElementAt
|
|
class NS_COM_GLUE nsQueryArrayElementAt : public nsCOMPtr_helper
|
|
{
|
|
public:
|
|
nsQueryArrayElementAt(nsIArray* aArray, PRUint32 aIndex,
|
|
nsresult* aErrorPtr)
|
|
: mArray(aArray),
|
|
mIndex(aIndex),
|
|
mErrorPtr(aErrorPtr)
|
|
{
|
|
// nothing else to do here
|
|
}
|
|
|
|
virtual nsresult NS_FASTCALL operator()(const nsIID& aIID, void**) const;
|
|
|
|
private:
|
|
nsIArray* mArray;
|
|
PRUint32 mIndex;
|
|
nsresult* mErrorPtr;
|
|
};
|
|
|
|
inline
|
|
const nsQueryArrayElementAt
|
|
do_QueryElementAt(nsIArray* aArray, PRUint32 aIndex, nsresult* aErrorPtr = 0)
|
|
{
|
|
return nsQueryArrayElementAt(aArray, aIndex, aErrorPtr);
|
|
}
|
|
|
|
#endif // nsArrayUtils_h__
|