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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsResourceSet.h"
nsResourceSet::nsResourceSet(const nsResourceSet& aResourceSet)
: mResources(nullptr),
mCount(0),
mCapacity(0)
{
ConstIterator last = aResourceSet.Last();
for (ConstIterator resource = aResourceSet.First(); resource != last; ++resource)
Add(*resource);
}
nsResourceSet&
nsResourceSet::operator=(const nsResourceSet& aResourceSet)
{
Clear();
ConstIterator last = aResourceSet.Last();
for (ConstIterator resource = aResourceSet.First(); resource != last; ++resource)
Add(*resource);
return *this;
}
nsResourceSet::~nsResourceSet()
{
MOZ_COUNT_DTOR(nsResourceSet);
Clear();
delete[] mResources;
}
nsresult
nsResourceSet::Clear()
{
while (--mCount >= 0) {
NS_RELEASE(mResources[mCount]);
}
mCount = 0;
return NS_OK;
}
nsresult
nsResourceSet::Add(nsIRDFResource* aResource)
{
NS_PRECONDITION(aResource != nullptr, "null ptr");
if (! aResource)
return NS_ERROR_NULL_POINTER;
if (Contains(aResource))
return NS_OK;
if (mCount >= mCapacity) {
int32_t capacity = mCapacity + 4;
nsIRDFResource** resources = new nsIRDFResource*[capacity];
for (int32_t i = mCount - 1; i >= 0; --i)
resources[i] = mResources[i];
delete[] mResources;
mResources = resources;
mCapacity = capacity;
}
mResources[mCount++] = aResource;
NS_ADDREF(aResource);
return NS_OK;
}
void
nsResourceSet::Remove(nsIRDFResource* aProperty)
{
bool found = false;
nsIRDFResource** res = mResources;
nsIRDFResource** limit = mResources + mCount;
while (res < limit) {
if (found) {
*(res - 1) = *res;
}
else if (*res == aProperty) {
NS_RELEASE(*res);
found = true;
}
++res;
}
if (found)
--mCount;
}
bool
nsResourceSet::Contains(nsIRDFResource* aResource) const
{
for (int32_t i = mCount - 1; i >= 0; --i) {
if (mResources[i] == aResource)
return true;
}
return false;
}
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