/* * Copyright (C) 2013 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. AND ITS CONTRIBUTORS ``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 ITS 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. */ #pragma once #include "CryptoAlgorithmIdentifier.h" #include <wtf/Forward.h> #include <wtf/HashMap.h> #include <wtf/Noncopyable.h> #include <wtf/text/StringHash.h> #if ENABLE(SUBTLE_CRYPTO) namespace WebCore { class CryptoAlgorithm; class CryptoAlgorithmRegistry { WTF_MAKE_NONCOPYABLE(CryptoAlgorithmRegistry); friend class NeverDestroyed<CryptoAlgorithmRegistry>; public: static CryptoAlgorithmRegistry& singleton(); std::optional<CryptoAlgorithmIdentifier> identifier(const String&); String name(CryptoAlgorithmIdentifier); RefPtr<CryptoAlgorithm> create(CryptoAlgorithmIdentifier); private: CryptoAlgorithmRegistry(); void platformRegisterAlgorithms(); using CryptoAlgorithmConstructor = Ref<CryptoAlgorithm> (*)(); template<typename AlgorithmClass> void registerAlgorithm() { registerAlgorithm(AlgorithmClass::s_name, AlgorithmClass::s_identifier, AlgorithmClass::create); } void registerAlgorithm(const String& name, CryptoAlgorithmIdentifier, CryptoAlgorithmConstructor); HashMap<String, CryptoAlgorithmIdentifier, ASCIICaseInsensitiveHash> m_identifiers; HashMap<unsigned, std::pair<String, CryptoAlgorithmConstructor>> m_constructors; }; } // namespace WebCore #endif // ENABLE(SUBTLE_CRYPTO)