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132 lines
4.5 KiB
C++
132 lines
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsSupportsArray_h__
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#define nsSupportsArray_h__
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#include "nsISupportsArray.h"
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static const PRUint32 kAutoArraySize = 4;
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class nsSupportsArray : public nsISupportsArray {
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public:
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nsSupportsArray(void);
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virtual ~nsSupportsArray(void);
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static NS_METHOD
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Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
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NS_DECL_ISUPPORTS
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// nsICollection methods:
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NS_IMETHOD Count(PRUint32 *result) { *result = mCount; return NS_OK; }
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NS_IMETHOD GetElementAt(PRUint32 aIndex, nsISupports* *result) {
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*result = ElementAt(aIndex);
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return NS_OK;
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}
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NS_IMETHOD QueryElementAt(PRUint32 aIndex, const nsIID & aIID, void * *aResult) {
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if (aIndex < mCount) {
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nsISupports* element = mArray[aIndex];
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if (nsnull != element)
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return element->QueryInterface(aIID, aResult);
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}
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return NS_ERROR_FAILURE;
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}
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NS_IMETHOD SetElementAt(PRUint32 aIndex, nsISupports* value) {
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PRBool ok = ReplaceElementAt(value, aIndex);
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return ok ? NS_OK : NS_ERROR_FAILURE;
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}
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NS_IMETHOD AppendElement(nsISupports *aElement) {
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// XXX This incorrectly returns a PRBool instead of an nsresult.
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return InsertElementAt(aElement, mCount);
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}
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NS_IMETHOD RemoveElement(nsISupports *aElement) {
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// XXX This incorrectly returns a PRBool instead of an nsresult.
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return RemoveElement(aElement, 0);
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}
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NS_IMETHOD Enumerate(nsIEnumerator* *result);
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NS_IMETHOD Clear(void);
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// nsISupportsArray methods:
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NS_IMETHOD_(PRBool) Equals(const nsISupportsArray* aOther);
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NS_IMETHOD_(nsISupports*) ElementAt(PRUint32 aIndex);
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NS_IMETHOD_(PRInt32) IndexOf(const nsISupports* aPossibleElement);
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NS_IMETHOD_(PRInt32) IndexOfStartingAt(const nsISupports* aPossibleElement,
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PRUint32 aStartIndex = 0);
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NS_IMETHOD_(PRInt32) LastIndexOf(const nsISupports* aPossibleElement);
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NS_IMETHOD GetIndexOf(nsISupports *aPossibleElement, PRInt32 *_retval) {
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*_retval = IndexOf(aPossibleElement);
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return NS_OK;
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}
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NS_IMETHOD GetIndexOfStartingAt(nsISupports *aPossibleElement,
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PRUint32 aStartIndex, PRInt32 *_retval) {
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*_retval = IndexOfStartingAt(aPossibleElement, aStartIndex);
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return NS_OK;
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}
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NS_IMETHOD GetLastIndexOf(nsISupports *aPossibleElement, PRInt32 *_retval) {
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*_retval = LastIndexOf(aPossibleElement);
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return NS_OK;
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}
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NS_IMETHOD_(PRBool) InsertElementAt(nsISupports* aElement, PRUint32 aIndex);
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NS_IMETHOD_(PRBool) ReplaceElementAt(nsISupports* aElement, PRUint32 aIndex);
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NS_IMETHOD_(PRBool) RemoveElementAt(PRUint32 aIndex);
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NS_IMETHOD_(PRBool) RemoveElement(const nsISupports* aElement, PRUint32 aStartIndex = 0);
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NS_IMETHOD_(PRBool) RemoveLastElement(const nsISupports* aElement);
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NS_IMETHOD DeleteLastElement(nsISupports *aElement) {
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return (RemoveLastElement(aElement) ? NS_OK : NS_ERROR_FAILURE);
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}
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NS_IMETHOD DeleteElementAt(PRUint32 aIndex) {
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return (RemoveElementAt(aIndex) ? NS_OK : NS_ERROR_FAILURE);
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}
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NS_IMETHOD_(PRBool) AppendElements(nsISupportsArray* aElements);
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NS_IMETHOD Compact(void);
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NS_IMETHOD_(PRBool) EnumerateForwards(nsISupportsArrayEnumFunc aFunc, void* aData);
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NS_IMETHOD_(PRBool) EnumerateBackwards(nsISupportsArrayEnumFunc aFunc, void* aData);
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protected:
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NS_IMETHOD_(nsISupportsArray&) operator=(const nsISupportsArray& aOther);
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NS_IMETHOD_(PRBool) operator==(const nsISupportsArray& aOther) { return Equals(&aOther); }
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NS_IMETHOD_(nsISupports*) operator[](PRUint32 aIndex) { return ElementAt(aIndex); }
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void DeleteArray(void);
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nsISupports** mArray;
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PRUint32 mArraySize;
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PRUint32 mCount;
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nsISupports* mAutoArray[kAutoArraySize];
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private:
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// Copy constructors are not allowed
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nsSupportsArray(const nsISupportsArray& other);
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};
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#endif // nsSupportsArray_h__
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