/* * Copyright (C) 2015 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "MemoryCursor.h" #if ENABLE(INDEXED_DATABASE) #include "IDBResourceIdentifier.h" #include "MemoryIDBBackingStore.h" #include <wtf/HashMap.h> #include <wtf/NeverDestroyed.h> namespace WebCore { namespace IDBServer { static HashMap<IDBResourceIdentifier, MemoryCursor*>& cursorMap() { static NeverDestroyed<HashMap<IDBResourceIdentifier, MemoryCursor*>> map; return map; } MemoryCursor::MemoryCursor(const IDBCursorInfo& info) : m_info(info) { ASSERT(!cursorMap().contains(m_info.identifier())); cursorMap().set(m_info.identifier(), this); } MemoryCursor::~MemoryCursor() { ASSERT(cursorMap().contains(m_info.identifier())); cursorMap().remove(m_info.identifier()); } MemoryCursor* MemoryCursor::cursorForIdentifier(const IDBResourceIdentifier& identifier) { return cursorMap().get(identifier); } } // namespace IDBServer } // namespace WebCore #endif // ENABLE(INDEXED_DATABASE)