Source code of Windows XP (NT5)
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69 lines
2.0 KiB

#ifndef __A51_OBJHEAP__H_
#define __A51_OBJHEAP__H_
#include "heap.h"
#include "absfile.h"
#include "index.h"
//class CAbstractIndex;
class CObjectHeap
{
protected:
BOOL m_bInit;
CCritSec m_cs;
CFileHeap m_Heap;
CBtrIndex m_Index;
// just to save universal replace
CFileHeap * m_pHeap;
CBtrIndex * m_pIndex;
public:
CObjectHeap() :m_bInit(FALSE),
m_pHeap(&m_Heap), m_pIndex(&m_Index)
{}
virtual ~CObjectHeap(){}
long Initialize(CAbstractFileSource * pAbstractSource,
WCHAR * wszObjHeapName,
WCHAR * wszBaseName,
DWORD dwBaseNameLen);
long Uninitialize(DWORD dwShutDownFlags);
void InvalidateCache();
long FindFirst(LPCWSTR wszPrefix, WIN32_FIND_DATAW* pfd, void** ppHandle);
long FindNext(void* pHandle, WIN32_FIND_DATAW* pfd);
long FindClose(void* pHandle);
long WriteFile(LPCWSTR wszFilePath, DWORD dwBufferLen, BYTE* pBuffer);
long DeleteFile(LPCWSTR wszFilePath);
long ReadFile(LPCWSTR wszFilePath, DWORD* pdwBufferLen, BYTE** ppBuffer);
// for the dump utility
CBtrIndex * GetIndex(){ return m_pIndex; };
CFileHeap * GetFileHeap(){ return m_pHeap; };
protected:
long GetIndexFileName(LPCWSTR wszFilePath, LPWSTR wszIndexFileName);
long GetFileInfo(LPCWSTR wszFilePath, TOffset* pnOffset, DWORD* pdwLength);
long ParseInfoFromIndexFile(LPCWSTR wszIndexFileName,
TOffset* pnOffset, DWORD* pdwLength);
long CreateIndexFile(LPCWSTR wszFilePath, TOffset nOffset, DWORD dwLength);
long DeleteIndexFile(LPCWSTR wszFilePath, LPCWSTR wszIndexFileName);
long CreateZeroLengthFile(LPCWSTR wszFilePath);
long DeleteZeroLengthFile(LPCWSTR wszFilePath);
DWORD GetAllocationHeaderLength();
long WriteAllocation(TOffset nOffset, DWORD dwDataLength, BYTE* pData);
long ReadAllocation(TOffset nOffset, DWORD dwDataLength, BYTE* pBuffer);
};
#endif