/src/mozilla-central/storage/mozStorageResultSet.cpp
Line | Count | Source (jump to first uncovered line) |
1 | | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
2 | | * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ : |
3 | | * This Source Code Form is subject to the terms of the Mozilla Public |
4 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
5 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
6 | | |
7 | | #include "mozStorageRow.h" |
8 | | #include "mozStorageResultSet.h" |
9 | | |
10 | | namespace mozilla { |
11 | | namespace storage { |
12 | | |
13 | | //////////////////////////////////////////////////////////////////////////////// |
14 | | //// ResultSet |
15 | | |
16 | | ResultSet::ResultSet() |
17 | | : mCurrentIndex(0) |
18 | 0 | { |
19 | 0 | } |
20 | | |
21 | | ResultSet::~ResultSet() |
22 | 0 | { |
23 | 0 | mData.Clear(); |
24 | 0 | } |
25 | | |
26 | | nsresult |
27 | | ResultSet::add(mozIStorageRow *aRow) |
28 | 0 | { |
29 | 0 | return mData.AppendObject(aRow) ? NS_OK : NS_ERROR_OUT_OF_MEMORY; |
30 | 0 | } |
31 | | |
32 | | /** |
33 | | * Note: This object is only ever accessed on one thread at a time. It it not |
34 | | * threadsafe, but it does need threadsafe AddRef and Release. |
35 | | */ |
36 | | NS_IMPL_ISUPPORTS( |
37 | | ResultSet, |
38 | | mozIStorageResultSet |
39 | | ) |
40 | | |
41 | | //////////////////////////////////////////////////////////////////////////////// |
42 | | //// mozIStorageResultSet |
43 | | |
44 | | NS_IMETHODIMP |
45 | | ResultSet::GetNextRow(mozIStorageRow **_row) |
46 | 0 | { |
47 | 0 | NS_ENSURE_ARG_POINTER(_row); |
48 | 0 |
|
49 | 0 | if (mCurrentIndex >= mData.Count()) { |
50 | 0 | // Just return null here |
51 | 0 | return NS_OK; |
52 | 0 | } |
53 | 0 | |
54 | 0 | NS_ADDREF(*_row = mData.ObjectAt(mCurrentIndex++)); |
55 | 0 | return NS_OK; |
56 | 0 | } |
57 | | |
58 | | } // namespace storage |
59 | | } // namespace mozilla |