gecko-dev/dom/quota/PersistenceType.h

100 строки
2.5 KiB
C

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=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 mozilla_dom_quota_persistencetype_h__
#define mozilla_dom_quota_persistencetype_h__
#include "mozilla/dom/quota/QuotaCommon.h"
#include "mozilla/dom/StorageTypeBinding.h"
BEGIN_QUOTA_NAMESPACE
enum PersistenceType
{
PERSISTENCE_TYPE_PERSISTENT = 0,
PERSISTENCE_TYPE_TEMPORARY,
// Only needed for IPC serialization helper, should never be used in code.
PERSISTENCE_TYPE_INVALID
};
inline void
PersistenceTypeToText(PersistenceType aPersistenceType, nsACString& aText)
{
switch (aPersistenceType) {
case PERSISTENCE_TYPE_PERSISTENT:
aText.AssignLiteral("persistent");
return;
case PERSISTENCE_TYPE_TEMPORARY:
aText.AssignLiteral("temporary");
return;
case PERSISTENCE_TYPE_INVALID:
default:
MOZ_CRASH("Bad persistence type value!");
}
MOZ_ASSUME_UNREACHABLE("Should never get here!");
}
inline PersistenceType
PersistenceTypeFromText(const nsACString& aText)
{
if (aText.EqualsLiteral("persistent")) {
return PERSISTENCE_TYPE_PERSISTENT;
}
if (aText.EqualsLiteral("temporary")) {
return PERSISTENCE_TYPE_TEMPORARY;
}
MOZ_ASSUME_UNREACHABLE("Should never get here!");
}
inline nsresult
NullablePersistenceTypeFromText(const nsACString& aText,
Nullable<PersistenceType> *aPersistenceType)
{
if (aText.IsVoid()) {
*aPersistenceType = Nullable<PersistenceType>();
return NS_OK;
}
if (aText.EqualsLiteral("persistent")) {
*aPersistenceType = Nullable<PersistenceType>(PERSISTENCE_TYPE_PERSISTENT);
return NS_OK;
}
if (aText.EqualsLiteral("temporary")) {
*aPersistenceType = Nullable<PersistenceType>(PERSISTENCE_TYPE_TEMPORARY);
return NS_OK;
}
return NS_ERROR_UNEXPECTED;
}
inline mozilla::dom::StorageType
PersistenceTypeToStorage(PersistenceType aPersistenceType)
{
return mozilla::dom::StorageType(static_cast<int>(aPersistenceType));
}
inline PersistenceType
PersistenceTypeFromStorage(const Optional<mozilla::dom::StorageType>& aStorage,
PersistenceType aDefaultPersistenceType)
{
if (aStorage.WasPassed()) {
return PersistenceType(static_cast<int>(aStorage.Value()));
}
return aDefaultPersistenceType;
}
END_QUOTA_NAMESPACE
#endif // mozilla_dom_quota_persistencetype_h__