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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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 mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of 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 nsSupportsArray_h__
#define nsSupportsArray_h__
//#define DEBUG_SUPPORTSARRAY 1
#include "nsISupportsArray.h"
static const PRUint32 kAutoArraySize = 8;
#undef IMETHOD_VISIBILITY
#define IMETHOD_VISIBILITY NS_VISIBILITY_DEFAULT
class NS_COM nsSupportsArray : public nsISupportsArray {
public:
nsSupportsArray(void);
~nsSupportsArray(void); // nonvirtual since we're not subclassed
static NS_METHOD
Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
NS_DECL_ISUPPORTS
NS_DECL_NSISERIALIZABLE
// nsICollection methods:
NS_IMETHOD Count(PRUint32 *result) { *result = mCount; return NS_OK; }
NS_IMETHOD GetElementAt(PRUint32 aIndex, nsISupports* *result) {
*result = ElementAt(aIndex);
return NS_OK;
}
NS_IMETHOD QueryElementAt(PRUint32 aIndex, const nsIID & aIID, void * *aResult) {
if (aIndex < mCount) {
nsISupports* element = mArray[aIndex];
if (nsnull != element)
return element->QueryInterface(aIID, aResult);
}
return NS_ERROR_FAILURE;
}
NS_IMETHOD SetElementAt(PRUint32 aIndex, nsISupports* value) {
return ReplaceElementAt(value, aIndex) ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHOD AppendElement(nsISupports *aElement) {
return InsertElementAt(aElement, mCount)/* ? NS_OK : NS_ERROR_FAILURE*/;
}
// XXX this is badly named - should be RemoveFirstElement
NS_IMETHOD RemoveElement(nsISupports *aElement) {
return RemoveElement(aElement, 0)/* ? NS_OK : NS_ERROR_FAILURE*/;
}
NS_IMETHOD_(PRBool) MoveElement(PRInt32 aFrom, PRInt32 aTo);
NS_IMETHOD Enumerate(nsIEnumerator* *result);
NS_IMETHOD Clear(void);
// nsISupportsArray methods:
NS_IMETHOD_(PRBool) Equals(const nsISupportsArray* aOther);
NS_IMETHOD_(nsISupports*) ElementAt(PRUint32 aIndex);
NS_IMETHOD_(PRInt32) IndexOf(const nsISupports* aPossibleElement);
NS_IMETHOD_(PRInt32) IndexOfStartingAt(const nsISupports* aPossibleElement,
PRUint32 aStartIndex = 0);
NS_IMETHOD_(PRInt32) LastIndexOf(const nsISupports* aPossibleElement);
NS_IMETHOD GetIndexOf(nsISupports *aPossibleElement, PRInt32 *_retval) {
*_retval = IndexOf(aPossibleElement);
return NS_OK;
}
NS_IMETHOD GetIndexOfStartingAt(nsISupports *aPossibleElement,
PRUint32 aStartIndex, PRInt32 *_retval) {
*_retval = IndexOfStartingAt(aPossibleElement, aStartIndex);
return NS_OK;
}
NS_IMETHOD GetLastIndexOf(nsISupports *aPossibleElement, PRInt32 *_retval) {
*_retval = LastIndexOf(aPossibleElement);
return NS_OK;
}
NS_IMETHOD_(PRBool) InsertElementAt(nsISupports* aElement, PRUint32 aIndex);
NS_IMETHOD_(PRBool) ReplaceElementAt(nsISupports* aElement, PRUint32 aIndex);
NS_IMETHOD_(PRBool) RemoveElementAt(PRUint32 aIndex) {
return RemoveElementsAt(aIndex,1);
}
NS_IMETHOD_(PRBool) RemoveElement(const nsISupports* aElement, PRUint32 aStartIndex = 0);
NS_IMETHOD_(PRBool) RemoveLastElement(const nsISupports* aElement);
NS_IMETHOD DeleteLastElement(nsISupports *aElement) {
return (RemoveLastElement(aElement) ? NS_OK : NS_ERROR_FAILURE);
}
NS_IMETHOD DeleteElementAt(PRUint32 aIndex) {
return (RemoveElementAt(aIndex) ? NS_OK : NS_ERROR_FAILURE);
}
NS_IMETHOD_(PRBool) AppendElements(nsISupportsArray* aElements) {
return InsertElementsAt(aElements,mCount);
}
NS_IMETHOD Compact(void);
NS_IMETHOD_(PRBool) EnumerateForwards(nsISupportsArrayEnumFunc aFunc, void* aData);
NS_IMETHOD_(PRBool) EnumerateBackwards(nsISupportsArrayEnumFunc aFunc, void* aData);
NS_IMETHOD Clone(nsISupportsArray **_retval);
NS_IMETHOD_(PRBool) InsertElementsAt(nsISupportsArray *aOther, PRUint32 aIndex);
NS_IMETHOD_(PRBool) RemoveElementsAt(PRUint32 aIndex, PRUint32 aCount);
NS_IMETHOD_(PRBool) SizeTo(PRInt32 aSize);
protected:
void DeleteArray(void);
NS_IMETHOD_(PRBool) GrowArrayBy(PRInt32 aGrowBy);
nsISupports** mArray;
PRUint32 mArraySize;
PRUint32 mCount;
nsISupports* mAutoArray[kAutoArraySize];
#if DEBUG_SUPPORTSARRAY
PRUint32 mMaxCount;
PRUint32 mMaxSize;
#endif
private:
// Copy constructors are not allowed
nsSupportsArray(const nsISupportsArray& other);
};
#undef IMETHOD_VISIBILITY
#define IMETHOD_VISIBILITY NS_VISIBILITY_HIDDEN
#endif // nsSupportsArray_h__
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