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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "mozilla/dom/quota/StorageHelpers.h"
#include "mozilla/dom/quota/QuotaCommon.h"
#include "mozilla/dom/quota/ResultExtensions.h"
namespace mozilla::dom::quota {
AutoDatabaseAttacher::AutoDatabaseAttacher(
nsCOMPtr<mozIStorageConnection> aConnection,
nsCOMPtr<nsIFile> aDatabaseFile, const nsLiteralCString& aSchemaName)
: mConnection(std::move(aConnection)),
mDatabaseFile(std::move(aDatabaseFile)),
mSchemaName(aSchemaName),
mAttached(false) {}
AutoDatabaseAttacher::~AutoDatabaseAttacher() {
if (mAttached) {
QM_WARNONLY_TRY(MOZ_TO_RESULT(Detach()));
}
}
nsresult AutoDatabaseAttacher::Attach() {
MOZ_ASSERT(mConnection);
MOZ_ASSERT(mDatabaseFile);
MOZ_ASSERT(!mAttached);
#ifdef DEBUG
{
QM_TRY_INSPECT(const bool& exists,
MOZ_TO_RESULT_INVOKE_MEMBER(mDatabaseFile, Exists));
MOZ_ASSERT(exists);
}
#endif
QM_TRY_INSPECT(const auto& path, MOZ_TO_RESULT_INVOKE_MEMBER_TYPED(
nsString, mDatabaseFile, GetPath));
QM_TRY_INSPECT(
const auto& stmt,
MOZ_TO_RESULT_INVOKE_MEMBER_TYPED(
nsCOMPtr<mozIStorageStatement>, mConnection, CreateStatement,
"ATTACH DATABASE :path AS "_ns + mSchemaName + ";"_ns));
QM_TRY(MOZ_TO_RESULT(stmt->BindStringByName("path"_ns, path)));
QM_TRY(MOZ_TO_RESULT(stmt->Execute()));
mAttached = true;
return NS_OK;
}
nsresult AutoDatabaseAttacher::Detach() {
MOZ_ASSERT(mConnection);
MOZ_ASSERT(mAttached);
QM_TRY(MOZ_TO_RESULT(
mConnection->ExecuteSimpleSQL("DETACH DATABASE "_ns + mSchemaName)));
mAttached = false;
return NS_OK;
}
} // namespace mozilla::dom::quota
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