mirror of
https://github.com/rn10950/RetroZilla.git
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173 lines
6.0 KiB
C++
173 lines
6.0 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsSupportsArray_h__
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#define nsSupportsArray_h__
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//#define DEBUG_SUPPORTSARRAY 1
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#include "nsISupportsArray.h"
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static const PRUint32 kAutoArraySize = 8;
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#undef IMETHOD_VISIBILITY
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#define IMETHOD_VISIBILITY NS_VISIBILITY_DEFAULT
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class NS_COM nsSupportsArray : public nsISupportsArray {
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public:
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nsSupportsArray(void);
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~nsSupportsArray(void); // nonvirtual since we're not subclassed
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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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NS_DECL_NSISERIALIZABLE
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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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return ReplaceElementAt(value, aIndex) ? NS_OK : NS_ERROR_FAILURE;
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}
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NS_IMETHOD AppendElement(nsISupports *aElement) {
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return InsertElementAt(aElement, mCount)/* ? NS_OK : NS_ERROR_FAILURE*/;
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}
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// XXX this is badly named - should be RemoveFirstElement
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NS_IMETHOD RemoveElement(nsISupports *aElement) {
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return RemoveElement(aElement, 0)/* ? NS_OK : NS_ERROR_FAILURE*/;
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}
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NS_IMETHOD_(PRBool) MoveElement(PRInt32 aFrom, PRInt32 aTo);
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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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return RemoveElementsAt(aIndex,1);
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}
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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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return InsertElementsAt(aElements,mCount);
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}
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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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NS_IMETHOD Clone(nsISupportsArray **_retval);
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NS_IMETHOD_(PRBool) InsertElementsAt(nsISupportsArray *aOther, PRUint32 aIndex);
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NS_IMETHOD_(PRBool) RemoveElementsAt(PRUint32 aIndex, PRUint32 aCount);
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NS_IMETHOD_(PRBool) SizeTo(PRInt32 aSize);
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protected:
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void DeleteArray(void);
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NS_IMETHOD_(PRBool) GrowArrayBy(PRInt32 aGrowBy);
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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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#if DEBUG_SUPPORTSARRAY
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PRUint32 mMaxCount;
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PRUint32 mMaxSize;
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#endif
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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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#undef IMETHOD_VISIBILITY
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#define IMETHOD_VISIBILITY NS_VISIBILITY_HIDDEN
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#endif // nsSupportsArray_h__
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