gecko-dev/xpcom/ds/nsISupportsArray.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nsISupportsArray_h___
#define nsISupportsArray_h___
#include "nsCom.h"
#include "nsICollection.h"
class nsIBidirectionalEnumerator;
// {791eafa0-b9e6-11d1-8031-006008159b5a}
#define NS_ISUPPORTSARRAY_IID \
{0x791eafa0, 0xb9e6, 0x11d1, \
{0x80, 0x31, 0x00, 0x60, 0x08, 0x15, 0x9b, 0x5a}}
// Enumerator callback function. Return PR_FALSE to stop
typedef PRBool (*nsISupportsArrayEnumFunc)(nsISupports* aElement, void *aData);
class nsISupportsArray : public nsICollection {
public:
static const nsIID& GetIID() { static nsIID iid = NS_ISUPPORTSARRAY_IID; return iid; }
NS_IMETHOD_(nsISupportsArray&) operator=(const nsISupportsArray& other) = 0;
NS_IMETHOD_(PRBool) operator==(const nsISupportsArray& other) const = 0;
NS_IMETHOD_(PRBool) Equals(const nsISupportsArray* other) const = 0;
NS_IMETHOD_(nsISupports*) ElementAt(PRUint32 aIndex) const = 0;
NS_IMETHOD_(nsISupports*) operator[](PRUint32 aIndex) const = 0;
NS_IMETHOD_(PRInt32) IndexOf(const nsISupports* aPossibleElement, PRUint32 aStartIndex = 0) const = 0;
NS_IMETHOD_(PRInt32) LastIndexOf(const nsISupports* aPossibleElement) const = 0;
NS_IMETHOD_(PRBool) InsertElementAt(nsISupports* aElement, PRUint32 aIndex) = 0;
NS_IMETHOD_(PRBool) ReplaceElementAt(nsISupports* aElement, PRUint32 aIndex) = 0;
NS_IMETHOD_(PRBool) RemoveElementAt(PRUint32 aIndex) = 0;
NS_IMETHOD_(PRBool) RemoveLastElement(const nsISupports* aElement) = 0;
NS_IMETHOD_(PRBool) AppendElements(nsISupportsArray* aElements) = 0;
NS_IMETHOD_(void) Compact(void) = 0;
NS_IMETHOD_(PRBool) EnumerateForwards(nsISupportsArrayEnumFunc aFunc, void* aData) const = 0;
NS_IMETHOD_(PRBool) EnumerateBackwards(nsISupportsArrayEnumFunc aFunc, void* aData) const = 0;
private:
// Copy constructors are not allowed
// XXX test whether this has to be here nsISupportsArray(const nsISupportsArray& other);
};
// Construct and return a default implementation of nsISupportsArray:
extern NS_COM nsresult
NS_NewISupportsArray(nsISupportsArray** aInstancePtrResult);
// Construct and return a default implementation of an enumerator for nsISupportsArrays:
extern NS_COM nsresult
NS_NewISupportsArrayEnumerator(nsISupportsArray* array,
nsIBidirectionalEnumerator* *aInstancePtrResult);
#endif // nsISupportsArray_h___