DoubleSupport/src/xalanc/Include/XalanMemMgrHelper.hpp

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the  "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#if !defined(XALANMEMMGRHELPER_HEADER_GUARD_1357924680)
#define XALANMEMMGRHELPER_HEADER_GUARD_1357924680



// Base include file.  Must be first.
#include <xalanc/PlatformSupport/PlatformSupportDefinitions.hpp>



#include <xalanc/Include/XalanMemMgrAutoPtr.hpp>




XALAN_CPP_NAMESPACE_BEGIN

template <class Type>
inline Type*
cloneObjWithMemMgr(const Type& other, MemoryManagerType& theManager)
{

    XalanMemMgrAutoPtr<Type, false> theGuard( theManager , (Type*)theManager.allocate(sizeof(Type)));

    Type* theResult = theGuard.get();

    new (theResult) Type(other, theManager);

    theGuard.release();
    
    return theResult;
}



template <class Type>
inline Type*
cloneObj(const Type& other, MemoryManagerType& theManager)
{

    XalanMemMgrAutoPtr<Type, false> theGuard( theManager , (Type*)theManager.allocate(sizeof(Type)));

    Type* theResult = theGuard.get();

    new (theResult) Type(other);

    theGuard.release();
    
    return theResult;
}



template <class Type>
class CreateObjFunctor
{
public:
	Type*
	operator()(MemoryManagerType& theManager)
	{
		
		XalanMemMgrAutoPtr<Type, false> theGuard( theManager , (Type*)theManager.allocate(sizeof(Type)));
		
		Type* theResult = theGuard.get();
		
		new (theResult) Type(theManager);
		
		theGuard.release();
		
		return theResult;
	}
};

template <class Type>
inline void
destroyObjWithMemMgr(const Type* ptr, MemoryManagerType& theManager)
{
    if (ptr != 0)
    {
        Type* const     nonConstPointer =
#if defined(XALAN_OLD_STYLE_CASTS)
            (const Type*)ptr;
#else
            const_cast<Type*>(ptr);
#endif
        nonConstPointer->~Type();

        theManager.deallocate(nonConstPointer);
    }
}



XALAN_CPP_NAMESPACE_END



#endif	// if !defined(XALANMEMMGRHELPER_HEADER_GUARD_1357924680)