gecko-dev/xpcom/ds/nsSupportsArray.h

86 lines
3.0 KiB
C++

/* -*- 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 nsSupportsArray_h__
#define nsSupportsArray_h__
#include "nsISupportsArray.h"
static const PRUint32 kAutoArraySize = 4;
class nsSupportsArray : public nsISupportsArray {
public:
nsSupportsArray(void);
virtual ~nsSupportsArray(void);
NS_DECL_ISUPPORTS
// nsICollection methods:
NS_IMETHOD_(PRUint32) Count(void) const { return mCount; }
NS_IMETHOD AppendElement(nsISupports *aElement) {
// XXX This incorrectly returns a PRBool instead of an nsresult.
return InsertElementAt(aElement, mCount);
}
NS_IMETHOD RemoveElement(nsISupports *aElement) {
// XXX This incorrectly returns a PRBool instead of an nsresult.
return RemoveElement(aElement, 0);
}
NS_IMETHOD Enumerate(nsIEnumerator* *result);
NS_IMETHOD Clear(void);
// nsISupportsArray methods:
NS_IMETHOD_(nsISupportsArray&) operator=(const nsISupportsArray& aOther);
NS_IMETHOD_(PRBool) operator==(const nsISupportsArray& aOther) const { return Equals(&aOther); }
NS_IMETHOD_(PRBool) Equals(const nsISupportsArray* aOther) const;
NS_IMETHOD_(nsISupports*) ElementAt(PRUint32 aIndex) const;
NS_IMETHOD_(nsISupports*) operator[](PRUint32 aIndex) const { return ElementAt(aIndex); }
NS_IMETHOD_(PRInt32) IndexOf(const nsISupports* aPossibleElement, PRUint32 aStartIndex = 0) const;
NS_IMETHOD_(PRInt32) LastIndexOf(const nsISupports* aPossibleElement) const;
NS_IMETHOD_(PRBool) InsertElementAt(nsISupports* aElement, PRUint32 aIndex);
NS_IMETHOD_(PRBool) ReplaceElementAt(nsISupports* aElement, PRUint32 aIndex);
NS_IMETHOD_(PRBool) RemoveElementAt(PRUint32 aIndex);
NS_IMETHOD_(PRBool) RemoveElement(const nsISupports* aElement, PRUint32 aStartIndex = 0);
NS_IMETHOD_(PRBool) RemoveLastElement(const nsISupports* aElement);
NS_IMETHOD_(PRBool) AppendElements(nsISupportsArray* aElements);
NS_IMETHOD_(void) Compact(void);
NS_IMETHOD_(PRBool) EnumerateForwards(nsISupportsArrayEnumFunc aFunc, void* aData) const;
NS_IMETHOD_(PRBool) EnumerateBackwards(nsISupportsArrayEnumFunc aFunc, void* aData) const;
protected:
void DeleteArray(void);
nsISupports** mArray;
PRUint32 mArraySize;
PRUint32 mCount;
nsISupports* mAutoArray[kAutoArraySize];
private:
// Copy constructors are not allowed
nsSupportsArray(const nsISupportsArray& other);
};
#endif // nsSupportsArray_h__