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/*
* 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(MEMORYMANAGERIMPL_HEADER_GUARD_1357924680)
#define MEMORYMANAGERIMPL_HEADER_GUARD_1357924680
// Base include file. Must be first.
#include <new>
#include <xalanc/Include/PlatformDefinitions.hpp>
#include "xercesc/util/OutOfMemoryException.hpp"
#include "xalanc/Include/XalanMemoryManagement.hpp"
#if defined(XALAN_WINDOWS)
#include <windows.h>
#include <stdexcept>
#include <stdlib.h>
using xercesc::MemoryManager;
class XalanMemoryManagerImpl : public xalanc::XalanMemoryManager
{
public:
XalanMemoryManagerImpl(DWORD defSize = 0) :
m_heapHandle(NULL)
{
m_heapHandle =
HeapCreate(
HEAP_NO_SERIALIZE,
0, // dwInitialSize
defSize);
if (m_heapHandle == NULL)
{
using std::runtime_error;
char buffer[20];
buffer[0] = 0;
_ultoa( GetLastError(), buffer, 10);
throw runtime_error(buffer);
}
}
virtual void*
allocate(size_type size)
{
LPVOID ptr = HeapAlloc(
m_heapHandle, //HANDLE hHeap
0, //DWORD dwFlags
size //SIZE_T dwBytes
);
if (ptr == 0)
{
using xercesc::OutOfMemoryException;
throw OutOfMemoryException();
}
return ptr;
}
virtual void
deallocate(void* pDataPointer)
{
if (0 == HeapFree(
m_heapHandle, //HANDLE hHeap,
0, //DWORD dwFlags,
pDataPointer ) )//*LPVOID lpMem
{
using xercesc::OutOfMemoryException;
throw OutOfMemoryException();
}
}
virtual MemoryManager*
getExceptionMemoryManager()
{
return this;
}
virtual
~XalanMemoryManagerImpl()
{
if (0 == HeapDestroy(m_heapHandle))
{
using std::runtime_error;
char buffer[20];
buffer[0] = 0;
_ultoa( GetLastError(), buffer, 10);
throw runtime_error(buffer);
}
}
private:
// Not implemented
XalanMemoryManagerImpl&
operator=(const XalanMemoryManagerImpl&);
XalanMemoryManagerImpl(const XalanMemoryManagerImpl&);
//Data
HANDLE m_heapHandle;
};
#else
class XalanMemoryManagerImpl : public xalanc::XalanMemoryManager
{
public:
typedef xalanc::XalanSize_t XalanSize_t;
virtual
~XalanMemoryManagerImpl()
{
}
virtual void*
allocate(size_type size)
{
try
{
void* memptr = ::operator new(size);
if (memptr != 0)
{
return memptr;
}
}
catch (...)
{
}
using xercesc::OutOfMemoryException;
throw OutOfMemoryException();
}
virtual void
deallocate(void* pDataPointer)
{
operator delete(pDataPointer);
}
virtual MemoryManager*
getExceptionMemoryManager()
{
return this;
}
};
#endif
#endif // MEMORYMANAGERIMPL_HEADER_GUARD_1357924680
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