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author | Alexander Harkness <bearbin@gmail.com> | 2013-11-24 15:21:13 +0100 |
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committer | Alexander Harkness <bearbin@gmail.com> | 2013-11-24 15:21:13 +0100 |
commit | 3438e5d3ddf8444f0e31009ffbe8237ef3752c22 (patch) | |
tree | 7c2f76d5e9281c130e60fb932c4dda89a49863b6 /CryptoPP/factory.h | |
parent | Moved source to src (diff) | |
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Diffstat (limited to 'CryptoPP/factory.h')
-rw-r--r-- | CryptoPP/factory.h | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/CryptoPP/factory.h b/CryptoPP/factory.h deleted file mode 100644 index 5b65db3da..000000000 --- a/CryptoPP/factory.h +++ /dev/null @@ -1,136 +0,0 @@ -#ifndef CRYPTOPP_OBJFACT_H -#define CRYPTOPP_OBJFACT_H - -#include "cryptlib.h" -#include <map> -#include <vector> - -NAMESPACE_BEGIN(CryptoPP) - -//! _ -template <class AbstractClass> -class ObjectFactory -{ -public: - virtual ~ObjectFactory () {} - virtual AbstractClass * CreateObject() const =0; -}; - -//! _ -template <class AbstractClass, class ConcreteClass> -class DefaultObjectFactory : public ObjectFactory<AbstractClass> -{ -public: - AbstractClass * CreateObject() const - { - return new ConcreteClass; - } - -}; - -//! _ -template <class AbstractClass, int instance=0> -class ObjectFactoryRegistry -{ -public: - class FactoryNotFound : public Exception - { - public: - FactoryNotFound(const char *name) : Exception(OTHER_ERROR, std::string("ObjectFactoryRegistry: could not find factory for algorithm ") + name) {} - }; - - ~ObjectFactoryRegistry() - { - for (CPP_TYPENAME Map::iterator i = m_map.begin(); i != m_map.end(); ++i) - { - delete (ObjectFactory<AbstractClass> *)i->second; - i->second = NULL; - } - } - - void RegisterFactory(const std::string &name, ObjectFactory<AbstractClass> *factory) - { - m_map[name] = factory; - } - - const ObjectFactory<AbstractClass> * GetFactory(const char *name) const - { - CPP_TYPENAME Map::const_iterator i = m_map.find(name); - return i == m_map.end() ? NULL : (ObjectFactory<AbstractClass> *)i->second; - } - - AbstractClass *CreateObject(const char *name) const - { - const ObjectFactory<AbstractClass> *factory = GetFactory(name); - if (!factory) - throw FactoryNotFound(name); - return factory->CreateObject(); - } - - // Return a vector containing the factory names. This is easier than returning an iterator. - // from Andrew Pitonyak - std::vector<std::string> GetFactoryNames() const - { - std::vector<std::string> names; - CPP_TYPENAME Map::const_iterator iter; - for (iter = m_map.begin(); iter != m_map.end(); ++iter) - names.push_back(iter->first); - return names; - } - - CRYPTOPP_NOINLINE static ObjectFactoryRegistry<AbstractClass, instance> & Registry(CRYPTOPP_NOINLINE_DOTDOTDOT); - -private: - // use void * instead of ObjectFactory<AbstractClass> * to save code size - typedef std::map<std::string, void *> Map; - Map m_map; -}; - -template <class AbstractClass, int instance> -ObjectFactoryRegistry<AbstractClass, instance> & ObjectFactoryRegistry<AbstractClass, instance>::Registry(CRYPTOPP_NOINLINE_DOTDOTDOT) -{ - static ObjectFactoryRegistry<AbstractClass, instance> s_registry; - return s_registry; -} - -template <class AbstractClass, class ConcreteClass, int instance = 0> -struct RegisterDefaultFactoryFor { -RegisterDefaultFactoryFor(const char *name=NULL) -{ - // BCB2006 workaround - std::string n = name ? std::string(name) : std::string(ConcreteClass::StaticAlgorithmName()); - ObjectFactoryRegistry<AbstractClass, instance>::Registry(). - RegisterFactory(n, new DefaultObjectFactory<AbstractClass, ConcreteClass>); -}}; - -template <class SchemeClass> -void RegisterAsymmetricCipherDefaultFactories(const char *name=NULL, SchemeClass *dummy=NULL) -{ - RegisterDefaultFactoryFor<PK_Encryptor, CPP_TYPENAME SchemeClass::Encryptor>((const char *)name); - RegisterDefaultFactoryFor<PK_Decryptor, CPP_TYPENAME SchemeClass::Decryptor>((const char *)name); -} - -template <class SchemeClass> -void RegisterSignatureSchemeDefaultFactories(const char *name=NULL, SchemeClass *dummy=NULL) -{ - RegisterDefaultFactoryFor<PK_Signer, CPP_TYPENAME SchemeClass::Signer>((const char *)name); - RegisterDefaultFactoryFor<PK_Verifier, CPP_TYPENAME SchemeClass::Verifier>((const char *)name); -} - -template <class SchemeClass> -void RegisterSymmetricCipherDefaultFactories(const char *name=NULL, SchemeClass *dummy=NULL) -{ - RegisterDefaultFactoryFor<SymmetricCipher, CPP_TYPENAME SchemeClass::Encryption, ENCRYPTION>((const char *)name); - RegisterDefaultFactoryFor<SymmetricCipher, CPP_TYPENAME SchemeClass::Decryption, DECRYPTION>((const char *)name); -} - -template <class SchemeClass> -void RegisterAuthenticatedSymmetricCipherDefaultFactories(const char *name=NULL, SchemeClass *dummy=NULL) -{ - RegisterDefaultFactoryFor<AuthenticatedSymmetricCipher, CPP_TYPENAME SchemeClass::Encryption, ENCRYPTION>((const char *)name); - RegisterDefaultFactoryFor<AuthenticatedSymmetricCipher, CPP_TYPENAME SchemeClass::Decryption, DECRYPTION>((const char *)name); -} - -NAMESPACE_END - -#endif |