gecko-dev/xpcom/glue/nsArrayUtils.h
Nicholas Nethercote f57e56e187 Bug 1058388 - Remove NS_COM_GLUE and IMETHOD_VISIBILITY. r=bsmedberg.
--HG--
extra : rebase_source : 250ec1323d4097101a8e0331a2bf7fab59f72b1d
2014-08-27 15:47:27 -07:00

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1.0 KiB
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#ifndef nsArrayUtils_h__
#define nsArrayUtils_h__
#include "nsCOMPtr.h"
#include "nsIArray.h"
// helper class for do_QueryElementAt
class nsQueryArrayElementAt : public nsCOMPtr_helper
{
public:
nsQueryArrayElementAt(nsIArray* aArray, uint32_t aIndex,
nsresult* aErrorPtr)
: mArray(aArray)
, mIndex(aIndex)
, mErrorPtr(aErrorPtr)
{
}
virtual nsresult NS_FASTCALL operator()(const nsIID& aIID, void**) const;
private:
nsIArray* mArray;
uint32_t mIndex;
nsresult* mErrorPtr;
};
inline const nsQueryArrayElementAt
do_QueryElementAt(nsIArray* aArray, uint32_t aIndex, nsresult* aErrorPtr = 0)
{
return nsQueryArrayElementAt(aArray, aIndex, aErrorPtr);
}
#endif // nsArrayUtils_h__