1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/storage/src/mozStorageBindingParamsArray.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,90 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#include "mozStorageBindingParamsArray.h"
1.11 +#include "mozStorageBindingParams.h"
1.12 +#include "StorageBaseStatementInternal.h"
1.13 +
1.14 +namespace mozilla {
1.15 +namespace storage {
1.16 +
1.17 +////////////////////////////////////////////////////////////////////////////////
1.18 +//// BindingParamsArray
1.19 +
1.20 +BindingParamsArray::BindingParamsArray(
1.21 + StorageBaseStatementInternal *aOwningStatement
1.22 +)
1.23 +: mOwningStatement(aOwningStatement)
1.24 +, mLocked(false)
1.25 +{
1.26 +}
1.27 +
1.28 +void
1.29 +BindingParamsArray::lock()
1.30 +{
1.31 + NS_ASSERTION(mLocked == false, "Array has already been locked!");
1.32 + mLocked = true;
1.33 +
1.34 + // We also no longer need to hold a reference to our statement since it owns
1.35 + // us.
1.36 + mOwningStatement = nullptr;
1.37 +}
1.38 +
1.39 +const StorageBaseStatementInternal *
1.40 +BindingParamsArray::getOwner() const
1.41 +{
1.42 + return mOwningStatement;
1.43 +}
1.44 +
1.45 +NS_IMPL_ISUPPORTS(
1.46 + BindingParamsArray,
1.47 + mozIStorageBindingParamsArray
1.48 +)
1.49 +
1.50 +///////////////////////////////////////////////////////////////////////////////
1.51 +//// mozIStorageBindingParamsArray
1.52 +
1.53 +NS_IMETHODIMP
1.54 +BindingParamsArray::NewBindingParams(mozIStorageBindingParams **_params)
1.55 +{
1.56 + NS_ENSURE_FALSE(mLocked, NS_ERROR_UNEXPECTED);
1.57 +
1.58 + nsCOMPtr<mozIStorageBindingParams> params(
1.59 + mOwningStatement->newBindingParams(this));
1.60 + NS_ENSURE_TRUE(params, NS_ERROR_UNEXPECTED);
1.61 +
1.62 + params.forget(_params);
1.63 + return NS_OK;
1.64 +}
1.65 +
1.66 +NS_IMETHODIMP
1.67 +BindingParamsArray::AddParams(mozIStorageBindingParams *aParameters)
1.68 +{
1.69 + NS_ENSURE_FALSE(mLocked, NS_ERROR_UNEXPECTED);
1.70 +
1.71 + BindingParams *params = static_cast<BindingParams *>(aParameters);
1.72 +
1.73 + // Check to make sure that this set of parameters was created with us.
1.74 + if (params->getOwner() != this)
1.75 + return NS_ERROR_UNEXPECTED;
1.76 +
1.77 + NS_ENSURE_TRUE(mArray.AppendElement(params), NS_ERROR_OUT_OF_MEMORY);
1.78 +
1.79 + // Lock the parameters only after we've successfully added them.
1.80 + params->lock();
1.81 +
1.82 + return NS_OK;
1.83 +}
1.84 +
1.85 +NS_IMETHODIMP
1.86 +BindingParamsArray::GetLength(uint32_t *_length)
1.87 +{
1.88 + *_length = length();
1.89 + return NS_OK;
1.90 +}
1.91 +
1.92 +} // namespace storage
1.93 +} // namespace mozilla
