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 : * ***** BEGIN LICENSE BLOCK *****
4 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 : *
6 : * The contents of this file are subject to the Mozilla Public License Version
7 : * 1.1 (the "License"); you may not use this file except in compliance with
8 : * the License. You may obtain a copy of the License at
9 : * http://www.mozilla.org/MPL/
10 : *
11 : * Software distributed under the License is distributed on an "AS IS" basis,
12 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 : * for the specific language governing rights and limitations under the
14 : * License.
15 : *
16 : * The Original Code is mozilla.org code.
17 : *
18 : * The Initial Developer of the Original Code is
19 : * Mozilla Corporation
20 : * Portions created by the Initial Developer are Copyright (C) 2008
21 : * the Initial Developer. All Rights Reserved.
22 : *
23 : * Contributor(s):
24 : * Shawn Wilsher <me@shawnwilsher.com> (Original Author)
25 : *
26 : * Alternatively, the contents of this file may be used under the terms of
27 : * either the GNU General Public License Version 2 or later (the "GPL"), or
28 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
29 : * in which case the provisions of the GPL or the LGPL are applicable instead
30 : * of those above. If you wish to allow use of your version of this file only
31 : * under the terms of either the GPL or the LGPL, and not to allow others to
32 : * use your version of this file under the terms of the MPL, indicate your
33 : * decision by deleting the provisions above and replace them with the notice
34 : * and other provisions required by the GPL or the LGPL. If you do not delete
35 : * the provisions above, a recipient may use your version of this file under
36 : * the terms of any one of the MPL, the GPL or the LGPL.
37 : *
38 : * ***** END LICENSE BLOCK ***** */
39 :
40 : #include "mozStorageRow.h"
41 : #include "mozStorageResultSet.h"
42 :
43 : namespace mozilla {
44 : namespace storage {
45 :
46 : ////////////////////////////////////////////////////////////////////////////////
47 : //// ResultSet
48 :
49 10355 : ResultSet::ResultSet()
50 10355 : : mCurrentIndex(0)
51 : {
52 10355 : }
53 :
54 20710 : ResultSet::~ResultSet()
55 : {
56 10355 : mData.Clear();
57 10355 : }
58 :
59 : nsresult
60 24433 : ResultSet::add(mozIStorageRow *aRow)
61 : {
62 24433 : return mData.AppendObject(aRow) ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
63 : }
64 :
65 : /**
66 : * Note: This object is only ever accessed on one thread at a time. It it not
67 : * threadsafe, but it does need threadsafe AddRef and Release.
68 : */
69 194104 : NS_IMPL_THREADSAFE_ISUPPORTS1(
70 : ResultSet,
71 : mozIStorageResultSet
72 : )
73 :
74 : ////////////////////////////////////////////////////////////////////////////////
75 : //// mozIStorageResultSet
76 :
77 : NS_IMETHODIMP
78 29914 : ResultSet::GetNextRow(mozIStorageRow **_row)
79 : {
80 29914 : NS_ENSURE_ARG_POINTER(_row);
81 :
82 29914 : if (mCurrentIndex >= mData.Count()) {
83 : // Just return null here
84 7601 : return NS_OK;
85 : }
86 :
87 22313 : NS_ADDREF(*_row = mData.ObjectAt(mCurrentIndex++));
88 22313 : return NS_OK;
89 : }
90 :
91 : } // namespace storage
92 : } // namespace mozilla
|