mirror of
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106 lines
2.3 KiB
C++
106 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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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#include "nsResourceSet.h"
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nsResourceSet::nsResourceSet(const nsResourceSet& aResourceSet)
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: mResources(nullptr),
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mCount(0),
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mCapacity(0)
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{
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ConstIterator last = aResourceSet.Last();
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for (ConstIterator resource = aResourceSet.First(); resource != last; ++resource)
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Add(*resource);
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}
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nsResourceSet&
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nsResourceSet::operator=(const nsResourceSet& aResourceSet)
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{
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Clear();
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ConstIterator last = aResourceSet.Last();
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for (ConstIterator resource = aResourceSet.First(); resource != last; ++resource)
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Add(*resource);
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return *this;
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}
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nsResourceSet::~nsResourceSet()
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{
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MOZ_COUNT_DTOR(nsResourceSet);
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Clear();
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delete[] mResources;
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}
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nsresult
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nsResourceSet::Clear()
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{
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while (--mCount >= 0) {
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NS_RELEASE(mResources[mCount]);
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}
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mCount = 0;
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return NS_OK;
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}
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nsresult
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nsResourceSet::Add(nsIRDFResource* aResource)
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{
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NS_PRECONDITION(aResource != nullptr, "null ptr");
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if (! aResource)
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return NS_ERROR_NULL_POINTER;
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if (Contains(aResource))
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return NS_OK;
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if (mCount >= mCapacity) {
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int32_t capacity = mCapacity + 4;
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nsIRDFResource** resources = new nsIRDFResource*[capacity];
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for (int32_t i = mCount - 1; i >= 0; --i)
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resources[i] = mResources[i];
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delete[] mResources;
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mResources = resources;
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mCapacity = capacity;
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}
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mResources[mCount++] = aResource;
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NS_ADDREF(aResource);
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return NS_OK;
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}
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void
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nsResourceSet::Remove(nsIRDFResource* aProperty)
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{
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bool found = false;
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nsIRDFResource** res = mResources;
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nsIRDFResource** limit = mResources + mCount;
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while (res < limit) {
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if (found) {
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*(res - 1) = *res;
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}
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else if (*res == aProperty) {
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NS_RELEASE(*res);
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found = true;
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}
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++res;
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}
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if (found)
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--mCount;
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}
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bool
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nsResourceSet::Contains(nsIRDFResource* aResource) const
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{
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for (int32_t i = mCount - 1; i >= 0; --i) {
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if (mResources[i] == aResource)
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return true;
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}
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return false;
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}
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