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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/. */
#ifndef DOM_QUOTA_QUOTADATABASEHELPER_H
#define DOM_QUOTA_QUOTADATABASEHELPER_H
#include "mozilla/dom/quota/QuotaCommon.h"
#include "mozIStorageConnection.h"
#include "nsCOMPtr.h"
#include "nsString.h"
namespace mozilla::dom::quota {
/**
* This class provides a RAII wrap of attaching and detaching database
* in a given C++ scope. It is guaranteed that an attached database will
* be detached even if you have an exception or return early.
*
* @param aConnection
* The connection to attach a database to.
* @param aDatabaseFile
* The database file to attach.
* @param aSchemaName
* The schema-name. Can be any string literal which is supported by the
* underlying database. For more details about schema-name, see
* https://www.sqlite.org/lang_attach.html
*/
class MOZ_STACK_CLASS AutoDatabaseAttacher final {
public:
explicit AutoDatabaseAttacher(nsCOMPtr<mozIStorageConnection> aConnection,
nsCOMPtr<nsIFile> aDatabaseFile,
const nsLiteralCString& aSchemaName);
~AutoDatabaseAttacher();
AutoDatabaseAttacher() = delete;
[[nodiscard]] nsresult Attach();
[[nodiscard]] nsresult Detach();
private:
nsCOMPtr<mozIStorageConnection> mConnection;
nsCOMPtr<nsIFile> mDatabaseFile;
const nsLiteralCString mSchemaName;
bool mAttached;
};
} // namespace mozilla::dom::quota
#endif // DOM_QUOTA_QUOTADATABASEHELPER_H
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