michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
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: 
michael@0: #include "mozStorageRow.h"
michael@0: #include "mozStorageResultSet.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace storage {
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: //// ResultSet
michael@0: 
michael@0: ResultSet::ResultSet()
michael@0: : mCurrentIndex(0)
michael@0: {
michael@0: }
michael@0: 
michael@0: ResultSet::~ResultSet()
michael@0: {
michael@0:   mData.Clear();
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: ResultSet::add(mozIStorageRow *aRow)
michael@0: {
michael@0:   return mData.AppendObject(aRow) ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
michael@0: }
michael@0: 
michael@0: /**
michael@0:  * Note:  This object is only ever accessed on one thread at a time.  It it not
michael@0:  *        threadsafe, but it does need threadsafe AddRef and Release.
michael@0:  */
michael@0: NS_IMPL_ISUPPORTS(
michael@0:   ResultSet,
michael@0:   mozIStorageResultSet
michael@0: )
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: //// mozIStorageResultSet
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: ResultSet::GetNextRow(mozIStorageRow **_row)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(_row);
michael@0: 
michael@0:   if (mCurrentIndex >= mData.Count()) {
michael@0:     // Just return null here
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0:   NS_ADDREF(*_row = mData.ObjectAt(mCurrentIndex++));
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: } // namespace storage
michael@0: } // namespace mozilla