mirror of
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143 lines
4.3 KiB
C++
143 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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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#include "mozilla/Attributes.h"
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static const uint32_t kAutoArraySize = 8;
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class nsSupportsArray final : public nsISupportsArray
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{
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~nsSupportsArray(void); // nonvirtual since we're not subclassed
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public:
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nsSupportsArray(void);
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static nsresult Create(nsISupports* aOuter, REFNSIID aIID, void** aResult);
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSISERIALIZABLE
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// nsICollection methods:
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NS_IMETHOD Count(uint32_t* aResult) override
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{
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*aResult = mCount;
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return NS_OK;
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}
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NS_IMETHOD GetElementAt(uint32_t aIndex, nsISupports** aResult) override;
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NS_IMETHOD QueryElementAt(uint32_t aIndex, const nsIID& aIID, void** aResult) override
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{
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if (aIndex < mCount) {
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nsISupports* element = mArray[aIndex];
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if (element) {
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return element->QueryInterface(aIID, aResult);
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}
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}
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return NS_ERROR_FAILURE;
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}
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NS_IMETHOD SetElementAt(uint32_t aIndex, nsISupports* aValue) override
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{
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return ReplaceElementAt(aValue, aIndex) ? NS_OK : NS_ERROR_FAILURE;
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}
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NS_IMETHOD AppendElement(nsISupports* aElement) override
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{
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// XXX Invalid cast of bool to nsresult (bug 778110)
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return (nsresult)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) override;
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NS_IMETHOD_(bool) MoveElement(int32_t aFrom, int32_t aTo) override;
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NS_IMETHOD Enumerate(nsIEnumerator** aResult) override;
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NS_IMETHOD Clear(void) override;
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// nsISupportsArray methods:
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NS_IMETHOD_(bool) Equals(const nsISupportsArray* aOther) override;
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NS_IMETHOD_(int32_t) IndexOf(const nsISupports* aPossibleElement) override;
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NS_IMETHOD_(int32_t) IndexOfStartingAt(const nsISupports* aPossibleElement,
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uint32_t aStartIndex = 0) override;
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NS_IMETHOD_(int32_t) LastIndexOf(const nsISupports* aPossibleElement) override;
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NS_IMETHOD GetIndexOf(nsISupports* aPossibleElement, int32_t* aResult) override
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{
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*aResult = 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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uint32_t aStartIndex, int32_t* aResult) override
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{
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*aResult = IndexOfStartingAt(aPossibleElement, aStartIndex);
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return NS_OK;
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}
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NS_IMETHOD GetLastIndexOf(nsISupports* aPossibleElement, int32_t* aResult) override
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{
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*aResult = LastIndexOf(aPossibleElement);
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return NS_OK;
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}
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NS_IMETHOD_(bool) InsertElementAt(nsISupports* aElement, uint32_t aIndex) override;
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NS_IMETHOD_(bool) ReplaceElementAt(nsISupports* aElement, uint32_t aIndex) override;
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NS_IMETHOD_(bool) RemoveElementAt(uint32_t aIndex) override
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{
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return RemoveElementsAt(aIndex, 1);
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}
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NS_IMETHOD_(bool) RemoveLastElement(const nsISupports* aElement) override;
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NS_IMETHOD DeleteLastElement(nsISupports* aElement) override
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{
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return (RemoveLastElement(aElement) ? NS_OK : NS_ERROR_FAILURE);
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}
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NS_IMETHOD DeleteElementAt(uint32_t aIndex) override
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{
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return (RemoveElementAt(aIndex) ? NS_OK : NS_ERROR_FAILURE);
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}
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NS_IMETHOD_(bool) AppendElements(nsISupportsArray* aElements) override
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{
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return InsertElementsAt(aElements, mCount);
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}
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NS_IMETHOD Compact(void) override;
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NS_IMETHOD Clone(nsISupportsArray** aResult) override;
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NS_IMETHOD_(bool) InsertElementsAt(nsISupportsArray* aOther,
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uint32_t aIndex) override;
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NS_IMETHOD_(bool) RemoveElementsAt(uint32_t aIndex, uint32_t aCount) override;
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NS_IMETHOD_(bool) SizeTo(int32_t aSize) override;
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protected:
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void DeleteArray(void);
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void GrowArrayBy(int32_t aGrowBy);
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nsISupports** mArray;
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uint32_t mArraySize;
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uint32_t mCount;
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nsISupports* mAutoArray[kAutoArraySize];
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#if DEBUG_SUPPORTSARRAY
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uint32_t mMaxCount;
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uint32_t mMaxSize;
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#endif
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private:
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// Copy constructors are not allowed
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explicit nsSupportsArray(const nsISupportsArray& aOther);
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};
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#endif // nsSupportsArray_h__
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