michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: #ifndef nsResourceSet_h__
michael@0: #define nsResourceSet_h__
michael@0: 
michael@0: #include "nsIRDFResource.h"
michael@0: 
michael@0: class nsResourceSet
michael@0: {
michael@0: public:
michael@0:     nsResourceSet()
michael@0:         : mResources(nullptr),
michael@0:           mCount(0),
michael@0:           mCapacity(0) {
michael@0:         MOZ_COUNT_CTOR(nsResourceSet); }
michael@0: 
michael@0:     nsResourceSet(const nsResourceSet& aResourceSet);
michael@0: 
michael@0:     nsResourceSet& operator=(const nsResourceSet& aResourceSet);
michael@0:     
michael@0:     ~nsResourceSet();
michael@0: 
michael@0:     nsresult Clear();
michael@0:     nsresult Add(nsIRDFResource* aProperty);
michael@0:     void Remove(nsIRDFResource* aProperty);
michael@0: 
michael@0:     bool Contains(nsIRDFResource* aProperty) const;
michael@0: 
michael@0: protected:
michael@0:     nsIRDFResource** mResources;
michael@0:     int32_t mCount;
michael@0:     int32_t mCapacity;
michael@0: 
michael@0: public:
michael@0:     class ConstIterator {
michael@0:     protected:
michael@0:         nsIRDFResource** mCurrent;
michael@0: 
michael@0:     public:
michael@0:         ConstIterator() : mCurrent(nullptr) {}
michael@0: 
michael@0:         ConstIterator(const ConstIterator& aConstIterator)
michael@0:             : mCurrent(aConstIterator.mCurrent) {}
michael@0: 
michael@0:         ConstIterator& operator=(const ConstIterator& aConstIterator) {
michael@0:             mCurrent = aConstIterator.mCurrent;
michael@0:             return *this; }
michael@0: 
michael@0:         ConstIterator& operator++() {
michael@0:             ++mCurrent;
michael@0:             return *this; }
michael@0: 
michael@0:         ConstIterator operator++(int) {
michael@0:             ConstIterator result(*this);
michael@0:             ++mCurrent;
michael@0:             return result; }
michael@0: 
michael@0:         /*const*/ nsIRDFResource* operator*() const {
michael@0:             return *mCurrent; }
michael@0: 
michael@0:         /*const*/ nsIRDFResource* operator->() const {
michael@0:             return *mCurrent; }
michael@0: 
michael@0:         bool operator==(const ConstIterator& aConstIterator) const {
michael@0:             return mCurrent == aConstIterator.mCurrent; }
michael@0: 
michael@0:         bool operator!=(const ConstIterator& aConstIterator) const {
michael@0:             return mCurrent != aConstIterator.mCurrent; }
michael@0: 
michael@0:     protected:
michael@0:         ConstIterator(nsIRDFResource** aProperty) : mCurrent(aProperty) {}
michael@0:         friend class nsResourceSet;
michael@0:     };
michael@0: 
michael@0:     ConstIterator First() const { return ConstIterator(mResources); }
michael@0:     ConstIterator Last() const { return ConstIterator(mResources + mCount); }
michael@0: };
michael@0: 
michael@0: #endif // nsResourceSet_h__
michael@0: