serializerfactory.cpp

来自「turecrypt最新6.0版本的源码」· C++ 代码 · 共 55 行

/*
 Copyright (c) 2008 TrueCrypt Foundation. All rights reserved.

 Governed by the TrueCrypt License 2.5 the full text of which is contained
 in the file License.txt included in TrueCrypt binary and source code
 distribution packages.
*/

#include <stdexcept>
#include "SerializerFactory.h"

namespace TrueCrypt
{
	void SerializerFactory::Deinitialize ()
	{
		if (--UseCount == 0)
		{
			delete NameToTypeMap;
			delete TypeToNameMap;
		}
	}

	string SerializerFactory::GetName (const type_info &typeInfo)
	{
		string typeName = StringConverter::GetTypeName (typeInfo);
		if (TypeToNameMap->find (typeName) == TypeToNameMap->end())
			throw std::runtime_error (SRC_POS);

		return (*TypeToNameMap)[typeName];
	}

	Serializable *SerializerFactory::GetNewSerializable (const string &typeName)
	{
		if (NameToTypeMap->find (typeName) == NameToTypeMap->end())
			throw std::runtime_error (SRC_POS);

		return (*NameToTypeMap)[typeName].GetNewPtr();
	}

	void SerializerFactory::Initialize ()
	{
		if (UseCount == 0)
		{
			NameToTypeMap = new map <string, SerializerFactory::MapEntry>;
			TypeToNameMap = new map <string, string>;
		}

		++UseCount;
	}

	map <string, SerializerFactory::MapEntry> *SerializerFactory::NameToTypeMap;
	map <string, string> *SerializerFactory::TypeToNameMap;
	int SerializerFactory::UseCount;
}