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Diffstat (limited to '')
-rw-r--r-- | storage/mozStorageResultSet.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/storage/mozStorageResultSet.cpp b/storage/mozStorageResultSet.cpp new file mode 100644 index 0000000000..8a0ae6abd3 --- /dev/null +++ b/storage/mozStorageResultSet.cpp @@ -0,0 +1,47 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ : + * 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 "mozStorageRow.h" +#include "mozStorageResultSet.h" + +namespace mozilla { +namespace storage { + +//////////////////////////////////////////////////////////////////////////////// +//// ResultSet + +ResultSet::ResultSet() : mCurrentIndex(0) {} + +ResultSet::~ResultSet() { mData.Clear(); } + +nsresult ResultSet::add(mozIStorageRow* aRow) { + return mData.AppendObject(aRow) ? NS_OK : NS_ERROR_OUT_OF_MEMORY; +} + +/** + * Note: This object is only ever accessed on one thread at a time. It it not + * threadsafe, but it does need threadsafe AddRef and Release. + */ +NS_IMPL_ISUPPORTS(ResultSet, mozIStorageResultSet) + +//////////////////////////////////////////////////////////////////////////////// +//// mozIStorageResultSet + +NS_IMETHODIMP +ResultSet::GetNextRow(mozIStorageRow** _row) { + NS_ENSURE_ARG_POINTER(_row); + + if (mCurrentIndex >= mData.Count()) { + // Just return null here + return NS_OK; + } + + NS_ADDREF(*_row = mData.ObjectAt(mCurrentIndex++)); + return NS_OK; +} + +} // namespace storage +} // namespace mozilla |