165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch/* 265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * Copyright (C) 2010 Apple Inc. All rights reserved. 365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * Redistribution and use in source and binary forms, with or without 565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * modification, are permitted provided that the following conditions 665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * are met: 765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 1. Redistributions of source code must retain the above copyright 865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * notice, this list of conditions and the following disclaimer. 965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 2. Redistributions in binary form must reproduce the above copyright 1065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * notice, this list of conditions and the following disclaimer in the 1165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * documentation and/or other materials provided with the distribution. 1265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 1365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 1465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 1565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 1665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 1765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 1865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 1965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 2365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * THE POSSIBILITY OF SUCH DAMAGE. 2465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch */ 2565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 2665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#ifndef ImmutableDictionary_h 2765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#define ImmutableDictionary_h 2865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 2965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "APIObject.h" 3065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include <wtf/HashMap.h> 3165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include <wtf/PassRefPtr.h> 3265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include <wtf/text/StringHash.h> 3365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include <wtf/text/WTFString.h> 3465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 3565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochnamespace WebKit { 3665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 3765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochclass ImmutableArray; 3865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 3965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch// ImmutableDictionary - An immutable dictionary type suitable for vending to an API. 4065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 4165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochclass ImmutableDictionary : public APIObject { 4265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochpublic: 4365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch static const Type APIType = TypeDictionary; 4465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 4565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch typedef HashMap<String, RefPtr<APIObject> > MapType; 4665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 4765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch static PassRefPtr<ImmutableDictionary> create() 4865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch { 4965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return adoptRef(new ImmutableDictionary); 5065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch } 5165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch static PassRefPtr<ImmutableDictionary> adopt(MapType& map) 5265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch { 5365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return adoptRef(new ImmutableDictionary(map)); 5465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch } 5565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 5665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch virtual ~ImmutableDictionary(); 5765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 5865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch virtual bool isMutable() { return false; } 5965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 6065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch template<typename T> 6165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch T* get(const String& key) 6265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch { 6365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch RefPtr<APIObject> item = m_map.get(key); 6465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (!item) 6565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return 0; 6665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 6765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (item->type() != T::APIType) 6865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return 0; 6965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 7065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return static_cast<T*>(item.get()); 7165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch } 7265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 7365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch APIObject* get(const String& key) 7465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch { 7565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return m_map.get(key).get(); 7665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch } 7765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 7865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch PassRefPtr<ImmutableArray> keys() const; 7965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 8065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch size_t size() { return m_map.size(); } 8165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 8265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch const MapType& map() { return m_map; } 8365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 8465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochprotected: 8565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch ImmutableDictionary(); 8665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch ImmutableDictionary(MapType& map); 8765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 8865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch virtual Type type() const { return APIType; } 8965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 9065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch MapType m_map; 9165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch}; 9265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 9365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} // namespace WebKit 9465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 9565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#endif // ImmutableDictionary_h 96