buffer.h

一个短信smpp协议开发包源码

// Buffer.h: interface for the CBuffer class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_BUFFER_H__829F6693_AC4D_11D2_8C37_00600877E420__INCLUDED_)
#define AFX_BUFFER_H__829F6693_AC4D_11D2_8C37_00600877E420__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

class CBuffer  
{
// Attributes
protected:
	PBYTE		m_pBase;
	UINT		m_nPtrSize;
	UINT		m_nSize;

	bool		m_bSustainSize;

	DWORD		m_dwPageSize;


// Methods
protected:
UINT DeAllocateBuffer(UINT nRequestedSize);
	UINT GetMemSize();
public:
	void ClearBuffer();
	void Initialize(UINT nInitsize, bool bSustain);

	UINT Delete(UINT nSize);
	UINT Read(PBYTE pData, UINT nSize);
	BOOL Write(PBYTE pData, UINT nSize);
	BOOL Write(CString& strData);
	UINT GetBufferLen();
	int Scan(PBYTE pScan,UINT nPos);
	BOOL Insert(PBYTE pData, UINT nSize);
	BOOL Insert(CString& strData);
	UINT DeleteEnd(UINT nSize);

	void Copy(CBuffer& buffer);	

	PBYTE GetBuffer(UINT nPos=0);

	CBuffer();
	virtual ~CBuffer();

	void FileWrite(const CString& strFileName);
	const CBuffer& operator=(CBuffer& buff);
	UINT ReAllocateBuffer(UINT nRequestedSize);

};

#endif // !defined(AFX_BUFFER_H__829F6693_AC4D_11D2_8C37_00600877E420__INCLUDED_)