gecko-dev/xpcom/ds/nsVector.h

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2.6 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* 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 nsVector_h__
#define nsVector_h__
#include "plvector.h"
#include "nsCom.h"
class nsVector : public PLVector {
public:
// Construction
nsVector(PRUint32 initialSize = 0, PRInt32 initialGrowBy = 0) {
PL_VectorInitialize(this, initialSize, initialGrowBy);
}
~nsVector(void) { PL_VectorFinalize(this); }
// Attributes
PRUint32 GetSize(void) const { return PL_VectorGetSize(this); }
PRUint32 GetUpperBound(void) const { return GetSize() - 1; }
PRBool SetSize(PRUint32 nNewSize, PRInt32 nGrowBy = PL_VECTOR_GROW_DEFAULT) {
return PL_VectorSetSize(this, nNewSize, nGrowBy);
}
PRBool IsValidIndex(PRUint32 indx) { return PL_VectorIsValidIndex(this, indx); }
// Operations
// Clean up
void Compact(void) { PL_VectorCompact(this); }
void RemoveAll(void) { SetSize(0); }
void Copy(nsVector* src, PRUint32 len, PRUint32 dstPos = 0, PRUint32 srcPos = 0) {
PL_VectorCopy(this, dstPos, src, srcPos, len);
}
// Accessing elements
void* Get(PRUint32 indx) const { return PL_VectorGet(this, indx); }
void Set(PRUint32 indx, void* newElement) { PL_VectorSet(this, indx, newElement); }
void*& ElementAt(PRUint32 indx) { return *PL_VectorGetAddr(this, indx); }
// Potentially growing the array
PRInt32 Add(void* newElement) { return PL_VectorAdd(this, newElement); }
// overloaded operator helpers
void* operator[](PRUint32 indx) const { return Get(indx); }
void*& operator[](PRUint32 indx) { return ElementAt(indx); }
// Operations that move elements around
void Insert(PRUint32 indx, void* newElement, PRInt32 count = 1) {
PL_VectorInsert(this, indx, newElement, count);
}
void Remove(PRUint32 indx, PRInt32 count = 1) {
PL_VectorRemove(this, indx, count);
}
#ifdef DEBUG
void AssertValid(void) const { PL_VectorAssertValid((PLVector*)this); }
#endif
};
#endif