Steve Pham
b4a2edec6a
* Final update copyright headers to reference license files at the repo root Signed-off-by: spham <spham@amazon.com> * Fix copyright validator unit tests to support the stale O3DE header scenario Signed-off-by: spham <spham@amazon.com>
74 lines
1.7 KiB
C++
74 lines
1.7 KiB
C++
/*
|
|
* Copyright (c) Contributors to the Open 3D Engine Project. For complete copyright and license terms please see the LICENSE at the root of this distribution.
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0 OR MIT
|
|
*
|
|
*/
|
|
|
|
|
|
#ifndef CRYINCLUDE_EDITOR_UTIL_CRYMEMFILE_H
|
|
#define CRYINCLUDE_EDITOR_UTIL_CRYMEMFILE_H
|
|
#pragma once
|
|
|
|
#include <QBuffer>
|
|
|
|
// derived class to get correct memory allocation/deallocation with custom memory manager - and to avoid memory leaks from calling Detach()
|
|
class CCryMemFile
|
|
: public QBuffer
|
|
{
|
|
public: // ---------------------------------------------------------------
|
|
|
|
CCryMemFile()
|
|
: QBuffer(&m_lpBuffer)
|
|
{
|
|
open(QIODevice::WriteOnly);
|
|
}
|
|
CCryMemFile(char* lpBuffer, int nBufferSize)
|
|
: QBuffer(&m_lpBuffer), m_lpBuffer(lpBuffer, nBufferSize)
|
|
{
|
|
open(QIODevice::WriteOnly);
|
|
}
|
|
|
|
virtual ~CCryMemFile()
|
|
{
|
|
close(); // call Close() to make sure the Free() is using my v-table
|
|
}
|
|
|
|
qulonglong GetPosition() const
|
|
{
|
|
return QBuffer::pos();
|
|
}
|
|
|
|
qulonglong GetLength() const
|
|
{
|
|
return QBuffer::size();
|
|
}
|
|
|
|
void Write(const void* lpBuf, unsigned int nCount)
|
|
{
|
|
QBuffer::write(reinterpret_cast<const char*>(lpBuf), nCount);
|
|
}
|
|
|
|
// only for temporary use
|
|
void* GetMemPtr() const
|
|
{
|
|
return const_cast<char*>(m_lpBuffer.data());
|
|
}
|
|
|
|
void Close()
|
|
{
|
|
QBuffer::close();
|
|
}
|
|
|
|
char* Detach()
|
|
{
|
|
assert(0); // dangerous - most likely we cause memory leak - better use GetMemPtr
|
|
return 0;
|
|
}
|
|
|
|
private:
|
|
QByteArray m_lpBuffer;
|
|
};
|
|
|
|
#endif // CRYINCLUDE_EDITOR_UTIL_CRYMEMFILE_H
|