1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/xpcom/ds/nsSupportsArray.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,129 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nsSupportsArray_h__
1.10 +#define nsSupportsArray_h__
1.11 +
1.12 +//#define DEBUG_SUPPORTSARRAY 1
1.13 +
1.14 +#include "nsISupportsArray.h"
1.15 +#include "mozilla/Attributes.h"
1.16 +
1.17 +static const uint32_t kAutoArraySize = 8;
1.18 +
1.19 +class nsSupportsArray MOZ_FINAL : public nsISupportsArray {
1.20 +public:
1.21 + nsSupportsArray(void);
1.22 + ~nsSupportsArray(void); // nonvirtual since we're not subclassed
1.23 +
1.24 + static nsresult
1.25 + Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
1.26 +
1.27 + NS_DECL_THREADSAFE_ISUPPORTS
1.28 +
1.29 + NS_DECL_NSISERIALIZABLE
1.30 +
1.31 + // nsICollection methods:
1.32 + NS_IMETHOD Count(uint32_t *result) { *result = mCount; return NS_OK; }
1.33 + NS_IMETHOD GetElementAt(uint32_t aIndex, nsISupports* *result);
1.34 + NS_IMETHOD QueryElementAt(uint32_t aIndex, const nsIID & aIID, void * *aResult) {
1.35 + if (aIndex < mCount) {
1.36 + nsISupports* element = mArray[aIndex];
1.37 + if (nullptr != element)
1.38 + return element->QueryInterface(aIID, aResult);
1.39 + }
1.40 + return NS_ERROR_FAILURE;
1.41 + }
1.42 + NS_IMETHOD SetElementAt(uint32_t aIndex, nsISupports* value) {
1.43 + return ReplaceElementAt(value, aIndex) ? NS_OK : NS_ERROR_FAILURE;
1.44 + }
1.45 + NS_IMETHOD AppendElement(nsISupports *aElement) {
1.46 + // XXX Invalid cast of bool to nsresult (bug 778110)
1.47 + return (nsresult)InsertElementAt(aElement, mCount)/* ? NS_OK : NS_ERROR_FAILURE*/;
1.48 + }
1.49 + // XXX this is badly named - should be RemoveFirstElement
1.50 + NS_IMETHOD RemoveElement(nsISupports *aElement) {
1.51 + // XXX Invalid cast of bool to nsresult (bug 778110)
1.52 + return (nsresult)RemoveElement(aElement, 0)/* ? NS_OK : NS_ERROR_FAILURE*/;
1.53 + }
1.54 + NS_IMETHOD_(bool) MoveElement(int32_t aFrom, int32_t aTo);
1.55 + NS_IMETHOD Enumerate(nsIEnumerator* *result);
1.56 + NS_IMETHOD Clear(void);
1.57 +
1.58 + // nsISupportsArray methods:
1.59 + NS_IMETHOD_(bool) Equals(const nsISupportsArray* aOther);
1.60 +
1.61 + NS_IMETHOD_(int32_t) IndexOf(const nsISupports* aPossibleElement);
1.62 + NS_IMETHOD_(int32_t) IndexOfStartingAt(const nsISupports* aPossibleElement,
1.63 + uint32_t aStartIndex = 0);
1.64 + NS_IMETHOD_(int32_t) LastIndexOf(const nsISupports* aPossibleElement);
1.65 +
1.66 + NS_IMETHOD GetIndexOf(nsISupports *aPossibleElement, int32_t *_retval) {
1.67 + *_retval = IndexOf(aPossibleElement);
1.68 + return NS_OK;
1.69 + }
1.70 +
1.71 + NS_IMETHOD GetIndexOfStartingAt(nsISupports *aPossibleElement,
1.72 + uint32_t aStartIndex, int32_t *_retval) {
1.73 + *_retval = IndexOfStartingAt(aPossibleElement, aStartIndex);
1.74 + return NS_OK;
1.75 + }
1.76 +
1.77 + NS_IMETHOD GetLastIndexOf(nsISupports *aPossibleElement, int32_t *_retval) {
1.78 + *_retval = LastIndexOf(aPossibleElement);
1.79 + return NS_OK;
1.80 + }
1.81 +
1.82 + NS_IMETHOD_(bool) InsertElementAt(nsISupports* aElement, uint32_t aIndex);
1.83 +
1.84 + NS_IMETHOD_(bool) ReplaceElementAt(nsISupports* aElement, uint32_t aIndex);
1.85 +
1.86 + NS_IMETHOD_(bool) RemoveElementAt(uint32_t aIndex) {
1.87 + return RemoveElementsAt(aIndex,1);
1.88 + }
1.89 + NS_IMETHOD_(bool) RemoveElement(const nsISupports* aElement, uint32_t aStartIndex = 0);
1.90 + NS_IMETHOD_(bool) RemoveLastElement(const nsISupports* aElement);
1.91 +
1.92 + NS_IMETHOD DeleteLastElement(nsISupports *aElement) {
1.93 + return (RemoveLastElement(aElement) ? NS_OK : NS_ERROR_FAILURE);
1.94 + }
1.95 +
1.96 + NS_IMETHOD DeleteElementAt(uint32_t aIndex) {
1.97 + return (RemoveElementAt(aIndex) ? NS_OK : NS_ERROR_FAILURE);
1.98 + }
1.99 +
1.100 + NS_IMETHOD_(bool) AppendElements(nsISupportsArray* aElements) {
1.101 + return InsertElementsAt(aElements,mCount);
1.102 + }
1.103 +
1.104 + NS_IMETHOD Compact(void);
1.105 +
1.106 + NS_IMETHOD Clone(nsISupportsArray **_retval);
1.107 +
1.108 + NS_IMETHOD_(bool) InsertElementsAt(nsISupportsArray *aOther, uint32_t aIndex);
1.109 +
1.110 + NS_IMETHOD_(bool) RemoveElementsAt(uint32_t aIndex, uint32_t aCount);
1.111 +
1.112 + NS_IMETHOD_(bool) SizeTo(int32_t aSize);
1.113 +protected:
1.114 + void DeleteArray(void);
1.115 +
1.116 + NS_IMETHOD_(void) GrowArrayBy(int32_t aGrowBy);
1.117 +
1.118 + nsISupports** mArray;
1.119 + uint32_t mArraySize;
1.120 + uint32_t mCount;
1.121 + nsISupports* mAutoArray[kAutoArraySize];
1.122 +#if DEBUG_SUPPORTSARRAY
1.123 + uint32_t mMaxCount;
1.124 + uint32_t mMaxSize;
1.125 +#endif
1.126 +
1.127 +private:
1.128 + // Copy constructors are not allowed
1.129 + nsSupportsArray(const nsISupportsArray& other);
1.130 +};
1.131 +
1.132 +#endif // nsSupportsArray_h__
