From a3f0af934e387ba259919f0b72b42120eef3bc5c Mon Sep 17 00:00:00 2001
From: weidai <weidai@57ff6487-cd31-0410-9ec3-f628ee90f5f0>
Date: Fri, 6 Dec 2002 22:02:46 +0000
Subject: add script-driven testing

git-svn-id: svn://svn.code.sf.net/p/cryptopp/code/trunk/c5@24 57ff6487-cd31-0410-9ec3-f628ee90f5f0
---
 factory.h | 90 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 factory.h

(limited to 'factory.h')

diff --git a/factory.h b/factory.h
new file mode 100644
index 0000000..85d6631
--- /dev/null
+++ b/factory.h
@@ -0,0 +1,90 @@
+#ifndef CRYPTOPP_OBJFACT_H
+#define CRYPTOPP_OBJFACT_H
+
+#include "cryptlib.h"
+#include <map>
+
+NAMESPACE_BEGIN(CryptoPP)
+
+template <class AbstractClass>
+class ObjectFactory
+{
+public:
+	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>
+class ObjectFactoryRegistry
+{
+public:
+	~ObjectFactoryRegistry()
+	{
+		for (Map::iterator i = m_map.begin(); i != m_map.end(); ++i)
+		{
+			delete i->second;
+			i->second = NULL;
+		}
+	}
+
+	void RegisterFactory(const char *name, ObjectFactory<AbstractClass> *factory)
+	{
+		m_map[name] = factory;
+	}
+
+	const ObjectFactory<AbstractClass> * GetFactory(const char *name) const
+	{
+		Map::const_iterator i = m_map.find(name);
+		return i == m_map.end() ? NULL : i->second;
+	}
+
+	AbstractClass *CreateObject(const char *name) const
+	{
+		const ObjectFactory<AbstractClass> *factory = GetFactory(name);
+		return factory ? factory->CreateObject() : NULL;
+	}
+
+	static ObjectFactoryRegistry<AbstractClass> & Registry()
+	{
+		static ObjectFactoryRegistry<AbstractClass> s_registry;
+		return s_registry;
+	}
+
+private:
+	typedef std::map<std::string, ObjectFactory<AbstractClass> *> Map;
+	Map m_map;
+};
+
+template <class AbstractClass, class ConcreteClass>
+void RegisterDefaultFactoryFor(const char *name, AbstractClass *Dummy1=NULL, ConcreteClass *Dummy2=NULL)
+{
+	ObjectFactoryRegistry<AbstractClass>::Registry().RegisterFactory(name, new DefaultObjectFactory<AbstractClass, ConcreteClass>);
+}
+
+template <class SchemeClass>
+void RegisterPublicKeyCryptoSystemDefaultFactories(const char *name, SchemeClass *dummy=NULL)
+{
+	RegisterDefaultFactoryFor<PK_Encryptor, CPP_TYPENAME SchemeClass::Encryptor>(name);
+	RegisterDefaultFactoryFor<PK_Decryptor, CPP_TYPENAME SchemeClass::Decryptor>(name);
+}
+
+template <class SchemeClass>
+void RegisterSignatureSchemeDefaultFactories(const char *name, SchemeClass *dummy=NULL)
+{
+	RegisterDefaultFactoryFor<PK_Signer, CPP_TYPENAME SchemeClass::Signer>(name);
+	RegisterDefaultFactoryFor<PK_Verifier, CPP_TYPENAME SchemeClass::Verifier>(name);
+}
+
+NAMESPACE_END
+
+#endif
-- 
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