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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /storage/mozStorageResultSet.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'storage/mozStorageResultSet.cpp')
-rw-r--r--storage/mozStorageResultSet.cpp59
1 files changed, 59 insertions, 0 deletions
diff --git a/storage/mozStorageResultSet.cpp b/storage/mozStorageResultSet.cpp
new file mode 100644
index 000000000..e4f3d1f35
--- /dev/null
+++ b/storage/mozStorageResultSet.cpp
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+/* -*- 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