зеркало из https://github.com/mozilla/gecko-dev.git
138 строки
4.5 KiB
C++
138 строки
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 MOZ_FINAL : 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 nsresult
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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(uint32_t *result) { *result = mCount; return NS_OK; }
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NS_IMETHOD GetElementAt(uint32_t 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(uint32_t 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 (nullptr != 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(uint32_t 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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// 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) {
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// XXX Invalid cast of bool to nsresult (bug 778110)
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return (nsresult)RemoveElement(aElement, 0)/* ? NS_OK : NS_ERROR_FAILURE*/;
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}
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NS_IMETHOD_(bool) MoveElement(int32_t aFrom, int32_t 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_(bool) Equals(const nsISupportsArray* aOther);
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NS_IMETHOD_(nsISupports*) ElementAt(uint32_t aIndex);
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NS_IMETHOD_(int32_t) IndexOf(const nsISupports* aPossibleElement);
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NS_IMETHOD_(int32_t) IndexOfStartingAt(const nsISupports* aPossibleElement,
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uint32_t aStartIndex = 0);
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NS_IMETHOD_(int32_t) LastIndexOf(const nsISupports* aPossibleElement);
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NS_IMETHOD GetIndexOf(nsISupports *aPossibleElement, int32_t *_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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uint32_t aStartIndex, int32_t *_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, int32_t *_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_(bool) InsertElementAt(nsISupports* aElement, uint32_t aIndex);
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NS_IMETHOD_(bool) ReplaceElementAt(nsISupports* aElement, uint32_t aIndex);
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NS_IMETHOD_(bool) RemoveElementAt(uint32_t aIndex) {
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return RemoveElementsAt(aIndex,1);
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}
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NS_IMETHOD_(bool) RemoveElement(const nsISupports* aElement, uint32_t aStartIndex = 0);
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NS_IMETHOD_(bool) 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(uint32_t aIndex) {
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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) {
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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_(bool) EnumerateForwards(nsISupportsArrayEnumFunc aFunc, void* aData);
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NS_IMETHOD_(bool) EnumerateBackwards(nsISupportsArrayEnumFunc aFunc, void* aData);
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NS_IMETHOD Clone(nsISupportsArray **_retval);
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NS_IMETHOD_(bool) InsertElementsAt(nsISupportsArray *aOther, uint32_t aIndex);
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NS_IMETHOD_(bool) RemoveElementsAt(uint32_t aIndex, uint32_t aCount);
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NS_IMETHOD_(bool) SizeTo(int32_t aSize);
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protected:
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void DeleteArray(void);
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NS_IMETHOD_(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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nsSupportsArray(const nsISupportsArray& other);
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};
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#endif // nsSupportsArray_h__
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