diff options
Diffstat (limited to 'src/libs/xpcom18a4/xpcom/ds/nsArray.h')
-rw-r--r-- | src/libs/xpcom18a4/xpcom/ds/nsArray.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/ds/nsArray.h b/src/libs/xpcom18a4/xpcom/ds/nsArray.h new file mode 100644 index 00000000..4a4f6cf2 --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/ds/nsArray.h @@ -0,0 +1,118 @@ +/* -*- 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 + * 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 nsArray_h__ +#define nsArray_h__ + +#include "nsIArray.h" +#include "nsCOMArray.h" +#include "nsCOMPtr.h" + +#define NS_ARRAY_CLASSNAME \ + "nsIArray implementation" + +// {35C66FD1-95E9-4e0a-80C5-C3BD2B375481} +#define NS_ARRAY_CID \ +{ 0x35c66fd1, 0x95e9, 0x4e0a, \ + { 0x80, 0xc5, 0xc3, 0xbd, 0x2b, 0x37, 0x54, 0x81 } } + + +// create a new, empty array +nsresult NS_COM +NS_NewArray(nsIMutableArray** aResult); + +// The resulting array will hold an owning reference to every element +// in the original nsCOMArray<T>. This also means that any further +// changes to the original nsCOMArray<T> will not affect the new +// array, and that the original array can go away and the new array +// will still hold valid elements. +nsresult NS_COM +NS_NewArray(nsIMutableArray** aResult, const nsCOMArray_base& base); + +// adapter class to map nsIArray->nsCOMArray +// do NOT declare this as a stack or member variable, use +// nsCOMArray instead! +// if you need to convert a nsCOMArray->nsIArray, see NS_NewArray above +class nsArray : public nsIMutableArray +{ +public: + nsArray() { } + nsArray(const nsCOMArray_base& aBaseArray) : mArray(aBaseArray) + { } + + NS_DECL_ISUPPORTS + NS_DECL_NSIARRAY + NS_DECL_NSIMUTABLEARRAY + +private: + ~nsArray(); + + nsCOMArray_base mArray; +}; + + +// helper class for do_QueryElementAt +class NS_COM 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 |