对不同数据类型拼接成一个内存块的封装

NSDataParser 是一个独立模块,用于管理多种数据类型并转换为连续内存数据块。支持添加和读取各种基本数据类型及字符串等复杂类型,并提供数据大小获取等功能。
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/*================================================================*
// NSDataParser.h: interface for the CNSDataParser class.
【头文件】:	NSDataParser.h
【功  能】:	该模块属于独立模块,主要完成管理各种类型数据,
			转换成一个连续的内存数据块。返回的连续数据块为LPVOID类型,
			通过GetData()函数获取到该数据块的地址,通过GetDataSize()
			返回数据块的大小
【注  意】:	
*================================================================*/
#if !defined(AFX_DATAPARSER_H__C18BF820_ED69_42B0_A8F9_9570387F753C__INCLUDED_)
#define AFX_DATAPARSER_H__C18BF820_ED69_42B0_A8F9_9570387F753C__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include <afxtempl.h>
//=========================================================================
//=========================================================================
class  CDataParser
{
public:
	CDataParser();
	virtual ~CDataParser();
public:
	// 将数据写入内存
	/*================================================================*
	【函數】:	Add(...)
	【功能】:	往内存中添加各种数据,数据内存所占的长度会根据所加入的
				数据类型动态增加
	【参数】:	
	【返回】:	
	【例子】:	
	【注意】:	当参数为CNSVarObj类型时,往内存中加的是变量的工程值,
				即pVar->GetVarData(),并不是把变量对象中所有数据全加入内存
	*================================================================*/
	virtual BOOL Add(COleVariant* pvData);
	virtual BOOL Add(WORD wData);
	virtual BOOL Add(DWORD wData);
	virtual BOOL Add(LPVOID pData,int iLen);
	virtual BOOL Add(BOOL wData);
	virtual BOOL Add(BYTE wData);
	virtual BOOL Add(char wData);
	virtual BOOL Add(short wData);
	virtual BOOL Add(long wData);
	virtual BOOL Add(float wData);
	virtual BOOL Add(double wData);
	virtual BOOL Add(const COleDateTime& wData);
	virtual BOOL Add(const CString& strData);
public:
	// 从内存中读取值,注:先调用InitData初始化内存数据然后再调用GetData
	virtual void InitData( void *pData,unsigned long nDataSize);
	virtual BOOL GetData(COleVariant& pvData);
	virtual BOOL GetData(WORD &wData);
	virtual BOOL GetData(DWORD &wData);
	virtual BOOL GetData(LPVOID pData);
	virtual BOOL GetData(BOOL &wData);
	virtual BOOL GetData(BYTE &wData);
	virtual BOOL GetData(char &wData);
	virtual BOOL GetData(short &wData);
	virtual BOOL GetData(long &wData);
	virtual BOOL GetData(float &wData);
	virtual BOOL GetData(double wData);
	virtual BOOL GetData(COleDateTime& wData);
	virtual BOOL GetData(CString& strData);
	// 获取当前内存位置
	unsigned long GetCurrentPos();
public:
	/*================================================================*
	【函數】:	RemoveAllDataItem()
	【功能】:	删除所有数据将所占的内存清空
	【参数】:	
	【返回】:	返回BOOL类型,成功为TRUE,否则为FALSE
	【例子】:	
	【注意】:	
	*================================================================*/
	virtual BOOL	RemoveAllDataItem();

	/*================================================================*
	【函數】:	GetData()
	【功能】:	获取连续内存地址
	【参数】:	
	【返回】:	返回指向内存的首地址
	【例子】:	
	【注意】:	
	*================================================================*/
	virtual LPVOID  GetData();

	/*================================================================*
	【函數】:	GetDataSize()
	【功能】:	获取连续内存的大小
	【参数】:	
	【返回】:	返回指向内存的大小
	【例子】:	
	【注意】:	
	*================================================================*/
	virtual DWORD	GetDataSize();
protected:
	double VarToDouble(COleVariant* pvData);
protected:
	// 数据大小
	UINT m_uDataSize;
	// 数据
	LPVOID m_pData;
	// 内存需要删除标志
	bool m_bMustClean;
	unsigned long m_pCurDataPos;
private:
	CRITICAL_SECTION CRITICAL_LOCK;
};
#endif // !defined(AFX_DATAPARSER_H__C18BF820_ED69_42B0_A8F9_9570387F753C__INCLUDED_)
#include "stdafx.h"
#include "WSDataParser.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

CDataParser::CDataParser()
{
	m_bMustClean = true;
	m_pData = NULL;
	m_uDataSize = 0;
	m_pCurDataPos = 0;
	InitializeCriticalSection( &CRITICAL_LOCK);
}

CDataParser::~CDataParser()
{
	RemoveAllDataItem();
	DeleteCriticalSection(&CRITICAL_LOCK);
}
double CDataParser::VarToDouble(COleVariant* pvData)
{
	double dfData;
	COleVariant vData;
	
	vData = *pvData;
	
	switch(pvData->vt)
	{
	case VT_I1:
		dfData = (double)vData.cVal ;
		break;
	case VT_UI1:
		dfData = (double)vData.bVal;
		break;
	case VT_I2:
		dfData = (double)vData.iVal;
		break;
	case VT_UI2:
		dfData = (double)vData.uiVal;
		break;
	case VT_INT:
		dfData = (double)vData.intVal;
		break;
	case VT_UINT:
		dfData = (double)vData.uintVal;
		break;
	case VT_I4:
		dfData = (double)vData.lVal;
		break;
	case VT_UI4:
		dfData = (double)vData.ulVal;
		break;
	case VT_R4:
		dfData = (double)vData.fltVal;
		break;
	case VT_R8:
		dfData = (double)vData.dblVal;
		break;
	case VT_BOOL:
		if(vData.boolVal == VARIANT_FALSE)
			dfData = 0;
		else
			dfData = 1;
		break;
	case VT_CY:
	case VT_DATE:
	case VT_BSTR:
	case VT_DISPATCH:
	case VT_ERROR:
	case VT_VARIANT:
	case VT_UNKNOWN:
	case VT_DECIMAL:
	case VT_EMPTY:
	case VT_NULL:
	default:
		dfData = 0.0;
		break;
	}
	
	return dfData;
}
BOOL CDataParser::Add(LPVOID pData,int iLen)
{
	BOOL bSuccess = FALSE;
	EnterCriticalSection(&CRITICAL_LOCK);
	if(pData != NULL && iLen > 0)
	{
		if(!m_pData) 
		m_pData = GlobalAlloc(GMEM_FIXED,1);

		// 先构造类型
		DWORD dwDataVT = VT_VOID;
		m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
		CopyMemory((char*)m_pData + m_uDataSize,&dwDataVT,4);
		m_uDataSize += 4;

		// 构造长度
		m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
		CopyMemory((char*)m_pData + m_uDataSize,&iLen,4);
		m_uDataSize += 4;

		// 构造值
		m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + iLen, GMEM_MOVEABLE);
		CopyMemory((char*)m_pData + m_uDataSize,(char*)pData,iLen);
		
		m_uDataSize += iLen;
		bSuccess = TRUE;
	}
	LeaveCriticalSection(&CRITICAL_LOCK);
	return bSuccess;
}
BOOL CDataParser::Add(const CString& strData)
{
	BOOL bSuccess = FALSE;
	
	EnterCriticalSection(&CRITICAL_LOCK);

	char *chAnsiCode = CUtility::ConvertStringToChar(strData);
	if(chAnsiCode)
	{
		//=================================================================================
		
		if(!m_pData) 
			m_pData = GlobalAlloc(GMEM_FIXED,1);
		
		// 先构造变量类型
		DWORD dwDataVT = VT_BSTR;
		m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
		CopyMemory((char*)m_pData + m_uDataSize,&dwDataVT,4);
		m_uDataSize += 4;
		
		int istrVarNameLen = strlen(chAnsiCode);
		
		// 构造长度
		m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
		CopyMemory((char*)m_pData + m_uDataSize,&istrVarNameLen,4);
		m_uDataSize += 4;
		
		
		//构造值
		m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + istrVarNameLen, GMEM_MOVEABLE);
		CopyMemory((char*)m_pData + m_uDataSize,chAnsiCode,istrVarNameLen);
		
		m_uDataSize += istrVarNameLen;
		
		//=================================================================================
		
		delete chAnsiCode;
		chAnsiCode = NULL;

		bSuccess = TRUE;
	}
	LeaveCriticalSection(&CRITICAL_LOCK);
	return bSuccess;
}
BOOL CDataParser::Add(WORD wData)
{
	BOOL bSuccess = FALSE;

	EnterCriticalSection(&CRITICAL_LOCK);
	if(!m_pData) 
		m_pData = GlobalAlloc(GMEM_FIXED,1);
	//=================================================================================
	// 先构造类型
	DWORD dwDataVT = VT_UI2;
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&dwDataVT,4);
	m_uDataSize += 4;
	
	int iDataLen = sizeof(wData);
	
	//构造值
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + iDataLen, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&wData,iDataLen);
	m_uDataSize += iDataLen;
	
	bSuccess = TRUE;
	//=================================================================================
	LeaveCriticalSection(&CRITICAL_LOCK);
	return bSuccess;
}
BOOL CDataParser::Add(DWORD wData)
{
	BOOL bSuccess = FALSE;

	EnterCriticalSection(&CRITICAL_LOCK);

	if(!m_pData) 
		m_pData = GlobalAlloc(GMEM_FIXED,1);
	//=================================================================================
	// 先构造类型
	DWORD dwDataVT = VT_UI4;
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&dwDataVT,4);
	m_uDataSize += 4;
	
	int iDataLen = sizeof(wData);
	
	//构造值
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + iDataLen, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&wData,iDataLen);
	m_uDataSize += iDataLen;
	
	//=================================================================================
	bSuccess = TRUE;
	LeaveCriticalSection(&CRITICAL_LOCK);
	
	return bSuccess;
}
BOOL CDataParser::Add(BOOL wData)
{
	BOOL bSuccess = FALSE;
	
	EnterCriticalSection(&CRITICAL_LOCK);
	
	if(!m_pData) 
		m_pData = GlobalAlloc(GMEM_FIXED,1);
	//=================================================================================
	// 先构造类型
	DWORD dwDataVT = VT_BOOL;
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&dwDataVT,4);
	m_uDataSize += 4;
	
	int iDataLen = sizeof(wData);
	
	//构造值
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + iDataLen, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&wData,iDataLen);
	m_uDataSize += iDataLen;
	
	//=================================================================================
	bSuccess = TRUE;
	LeaveCriticalSection(&CRITICAL_LOCK);
	
	return bSuccess;
}
BOOL CDataParser::Add(BYTE wData)
{
	BOOL bSuccess = FALSE;
	
	EnterCriticalSection(&CRITICAL_LOCK);
	
	if(!m_pData) 
		m_pData = GlobalAlloc(GMEM_FIXED,1);
	//=================================================================================
	// 先构造类型
	DWORD dwDataVT = VT_UI1;
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&dwDataVT,4);
	m_uDataSize += 4;
	
	int iDataLen = sizeof(wData);
	
	//构造值
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + iDataLen, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&wData,iDataLen);
	m_uDataSize += iDataLen;
	
	//=================================================================================
	bSuccess = TRUE;
	LeaveCriticalSection(&CRITICAL_LOCK);

	return bSuccess;
}
BOOL CDataParser::Add(char wData)
{
	BOOL bSuccess = FALSE;
	
	EnterCriticalSection(&CRITICAL_LOCK);
	
	if(!m_pData) 
		m_pData = GlobalAlloc(GMEM_FIXED,1);
	//=================================================================================
	// 先构造类型
	DWORD dwDataVT = VT_I1;
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&dwDataVT,4);
	m_uDataSize += 4;
	
	int iDataLen = sizeof(wData);
	
	//构造值
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + iDataLen, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&wData,iDataLen);
	m_uDataSize += iDataLen;
	
	//=================================================================================
	bSuccess = TRUE;
	LeaveCriticalSection(&CRITICAL_LOCK);

	return bSuccess;
}
BOOL CDataParser::Add(short wData)
{
	BOOL bSuccess = FALSE;
	
	EnterCriticalSection(&CRITICAL_LOCK);
	
	if(!m_pData) 
		m_pData = GlobalAlloc(GMEM_FIXED,1);
	//=================================================================================
	// 先构造类型
	DWORD dwDataVT = VT_I2;
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&dwDataVT,4);
	m_uDataSize += 4;
	
	int iDataLen = sizeof(wData);
	
	//构造值
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + iDataLen, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&wData,iDataLen);
	m_uDataSize += iDataLen;
	
	//=================================================================================
	bSuccess = TRUE;
	LeaveCriticalSection(&CRITICAL_LOCK);

	return bSuccess;
}
BOOL CDataParser::Add(long wData)
{
	BOOL bSuccess = FALSE;
	
	EnterCriticalSection(&CRITICAL_LOCK);
	
	if(!m_pData) 
		m_pData = GlobalAlloc(GMEM_FIXED,1);
	//=================================================================================
	// 先构造类型
	DWORD dwDataVT = VT_I4;
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&dwDataVT,4);
	m_uDataSize += 4;
	
	int iDataLen = sizeof(wData);
	
	//构造值
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + iDataLen, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&wData,iDataLen);
	m_uDataSize += iDataLen;
	
	//=================================================================================
	bSuccess = TRUE;
	LeaveCriticalSection(&CRITICAL_LOCK);

	return bSuccess;
}
BOOL CDataParser::Add(float wData)
{
	BOOL bSuccess = FALSE;
	
	EnterCriticalSection(&CRITICAL_LOCK);
	
	if(!m_pData) 
		m_pData = GlobalAlloc(GMEM_FIXED,1);
	//=================================================================================
	// 先构造类型
	DWORD dwDataVT = VT_R4;
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&dwDataVT,4);
	m_uDataSize += 4;
	
	int iDataLen = sizeof(wData);
	
	//构造值
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + iDataLen, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&wData,iDataLen);
	m_uDataSize += iDataLen;
	
	//=================================================================================
	bSuccess = TRUE;
	LeaveCriticalSection(&CRITICAL_LOCK);

	return bSuccess;
}
BOOL CDataParser::Add(double wData)
{
	BOOL bSuccess = FALSE;
	
	EnterCriticalSection(&CRITICAL_LOCK);
	
	if(!m_pData) 
		m_pData = GlobalAlloc(GMEM_FIXED,1);
	//=================================================================================
	// 先构造类型
	DWORD dwDataVT = VT_R8;
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&dwDataVT,4);
	m_uDataSize += 4;
	
	int iDataLen = sizeof(wData);
	
	//构造值
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + iDataLen, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&wData,iDataLen);
	m_uDataSize += iDataLen;
	
	//=================================================================================
	bSuccess = TRUE;
	LeaveCriticalSection(&CRITICAL_LOCK);

	return bSuccess;
}
BOOL CDataParser::Add(const COleDateTime& wData)
{
	BOOL bSuccess = FALSE;
	
	EnterCriticalSection(&CRITICAL_LOCK);
	
	if(!m_pData) 
		m_pData = GlobalAlloc(GMEM_FIXED,1);
	//=================================================================================
	// 先构造类型
	DWORD dwDataVT = VT_DATE;
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&dwDataVT,4);
	m_uDataSize += 4;
	
	int iDataLen = sizeof(double);
	
	//构造值
	m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + iDataLen, GMEM_MOVEABLE);
	CopyMemory((char*)m_pData + m_uDataSize,&wData.m_dt,iDataLen);
	m_uDataSize += iDataLen;
	
	//=================================================================================
	bSuccess = TRUE;
	LeaveCriticalSection(&CRITICAL_LOCK);

	return bSuccess;
}
BOOL CDataParser::Add(COleVariant* pvData)
{
	BOOL bSuccess = FALSE;
	
	EnterCriticalSection(&CRITICAL_LOCK);

	if(pvData)
	{
		if(!m_pData) 
			m_pData = GlobalAlloc(GMEM_FIXED,1);

		COleVariant nVarData = *pvData;
		// 构造数据类型
		DWORD dwvDataVT = pvData->vt;
		m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
		CopyMemory((char*)m_pData + m_uDataSize,&dwvDataVT,4);
		m_uDataSize += 4;

		double dbData = VarToDouble(pvData);
		switch(dwvDataVT)
		{
		case VT_UI1:	//Byte                    bVal;
			{
				BYTE VarDataTmp = (BYTE)dbData;
				m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 1, GMEM_MOVEABLE);
				CopyMemory((char*)m_pData + m_uDataSize,&VarDataTmp,1);
				m_uDataSize += 1;
			}break;
		case VT_I1:		//char                    cVal;
			{
				char VarDataTmp = (char)dbData;
				m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 1, GMEM_MOVEABLE);
				CopyMemory((char*)m_pData + m_uDataSize,&VarDataTmp,1);
				m_uDataSize += 1;
			}break;
		case VT_I2:		//Short                   iVal;
			{
				short VarDataTmp = (short)dbData;
				m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 2, GMEM_MOVEABLE);
				CopyMemory((char*)m_pData + m_uDataSize,&VarDataTmp,2);
				m_uDataSize += 2;
			}break;
		case VT_UI2:	//unsigned short          uiVal;
			{
				WORD VarDataTmp = (WORD)dbData;
				m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 2, GMEM_MOVEABLE);
				CopyMemory((char*)m_pData + m_uDataSize,&VarDataTmp,2);
				m_uDataSize += 2;
			}break;
		case VT_INT:	//int                     intVal;
			{
				int VarDataTmp = (int)dbData;
				m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
				CopyMemory((char*)m_pData + m_uDataSize,&VarDataTmp,4);
				m_uDataSize += 4;
			}break;
		case VT_UINT:	//unsigned int            uintVal;
			{

				DWORD VarDataTmp = (DWORD)dbData;
				m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
				CopyMemory((char*)m_pData + m_uDataSize,&VarDataTmp,4);
				m_uDataSize += 4;
			}break;
		case VT_I4:		//long                    lVal;
			{
				long VarDataTmp = (long)dbData;
				m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
				CopyMemory((char*)m_pData + m_uDataSize,&VarDataTmp,4);
				m_uDataSize += 4;
			}break;
		case VT_UI4:	//unsigned long           ulVal;
			{
				unsigned long VarDataTmp = (unsigned long)dbData;
				m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
				CopyMemory((char*)m_pData + m_uDataSize,&VarDataTmp,4);
				m_uDataSize += 4;
			}break;
		case VT_R4:		//float                   fltVal;
			{
				float VarDataTmp = (float)dbData;
				m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
				CopyMemory((char*)m_pData + m_uDataSize,&VarDataTmp,4);
				m_uDataSize += 4;
			}break;
		case VT_R8:		//double                  dblVal;
			{
				double VarDataTmp = (double)dbData;
				m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 8, GMEM_MOVEABLE);
				CopyMemory((char*)m_pData + m_uDataSize,&VarDataTmp,8);
				m_uDataSize += 8;
			}break;
		case VT_BOOL:	//VARIANT_BOOL            boolVal;
			{
				bool VarDataTmp = (dbData == 0.0) ? false : true;
				m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 1, GMEM_MOVEABLE);
				CopyMemory((char*)m_pData + m_uDataSize,&VarDataTmp,1);
				m_uDataSize += 1;
			}break;
		case VT_DATE:	//DATE                    date;
			{
				DATE VarDataTmp = nVarData.date;
				m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 8, GMEM_MOVEABLE);
				CopyMemory((char*)m_pData + m_uDataSize,&VarDataTmp,8);
				m_uDataSize += 8;
			}break;
		case VT_BSTR:	//BSTR                    bstrVal;
			{
				CString strData = nVarData.bstrVal;
				int iLen = strData.GetLength();
				
				// 先写长度
				m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + 4, GMEM_MOVEABLE);
				CopyMemory((char*)m_pData + m_uDataSize,&iLen,4);
				m_uDataSize += 4;
				
				// 写字符串
				m_pData = ::GlobalReAlloc(m_pData, m_uDataSize + iLen, GMEM_MOVEABLE);

				char *chAnsiCode = CUtility::ConvertStringToChar(strData);
				if(chAnsiCode)
				{
					CopyMemory((char*)m_pData + m_uDataSize,chAnsiCode,iLen);
				
					delete chAnsiCode;
					chAnsiCode = NULL;
				}
				m_uDataSize += iLen;
			}break;
		case VT_EMPTY:
			{

			}break;
		case VT_NULL:
			{

			}break;
		default:
			break;
		}
		bSuccess = TRUE;
	}
	
	LeaveCriticalSection(&CRITICAL_LOCK);
	
	return bSuccess;
}

BOOL CDataParser::RemoveAllDataItem()
{
	if(m_bMustClean)
	{
		if(m_pData)
		{
			GlobalFree(m_pData);
			m_pData = NULL;
		}
	}
	m_uDataSize = 0;
	return TRUE;
}

LPVOID CDataParser::GetData()
{
	return m_pData;
}

DWORD CDataParser::GetDataSize()
{
	return m_uDataSize;
}
//============================================================================================
void CDataParser::InitData( void *pData,unsigned long nDataSize)
{
	m_pCurDataPos = 0;
	m_pData = pData;
	m_uDataSize = nDataSize;
	// 数据由应用层传进来,在析构中不能释放
	m_bMustClean = false;
}
unsigned long CDataParser::GetCurrentPos()
{
	return m_pCurDataPos;
}
BOOL CDataParser::GetData(COleVariant& pvData)
{
	BOOL bSuccess = FALSE;
	if(m_pData != NULL)
	{	
		// 当前位置小于总数据长度时
		if(m_pCurDataPos < m_uDataSize)
		{
			EnterCriticalSection(&CRITICAL_LOCK);
			
			// 先构造数据类型
			DWORD dwDataVT = VT_NULL;
			memcpy(&dwDataVT,(char*)m_pData + m_pCurDataPos,  4);
			m_pCurDataPos += 4;
			
			pvData.vt = dwDataVT;
			switch(dwDataVT)
			{
			case VT_UI1:	//Byte                    bVal;
				{
					// 构造值
					memcpy(&pvData.bVal,(char*)m_pData + m_pCurDataPos, 1);
					m_pCurDataPos += 1;
					bSuccess = TRUE;
				}break;
			case VT_I1:		//char                    cVal;
				{
					memcpy(&pvData.cVal,(char*)m_pData + m_pCurDataPos, 1);
					m_pCurDataPos += 1;
					bSuccess = TRUE;
				}break;
			case VT_I2:		//Short                   iVal;
				{
					memcpy(&pvData.iVal,(char*)m_pData + m_pCurDataPos, 2);
					m_pCurDataPos += 2;
					bSuccess = TRUE;
				}break;
			case VT_UI2:	//unsigned short          uiVal;
				{
					memcpy(&pvData.uiVal,(char*)m_pData + m_pCurDataPos, 2);
					m_pCurDataPos += 2;
					bSuccess = TRUE;
				}break;
			case VT_INT:	//int                     intVal;
				{
					memcpy(&pvData.intVal,(char*)m_pData + m_pCurDataPos, 4);
					m_pCurDataPos += 4;
					bSuccess = TRUE;
				}break;
			case VT_UINT:	//unsigned int            uintVal;
				{
					memcpy(&pvData.uintVal,(char*)m_pData + m_pCurDataPos, 4);
					m_pCurDataPos += 4;
					bSuccess = TRUE;
				
				}break;
			case VT_I4:		//long                    lVal;
				{
					memcpy(&pvData.lVal,(char*)m_pData + m_pCurDataPos, 4);
					m_pCurDataPos += 4;
					bSuccess = TRUE;
				}break;
			case VT_UI4:	//unsigned long           ulVal;
				{
					memcpy(&pvData.ulVal,(char*)m_pData + m_pCurDataPos, 4);
					m_pCurDataPos += 4;
					bSuccess = TRUE;
				}break;
			case VT_R4:		//float                   fltVal;
				{
					memcpy(&pvData.fltVal,(char*)m_pData + m_pCurDataPos, 4);
					m_pCurDataPos += 4;
					bSuccess = TRUE;
				}break;
			case VT_R8:		//double                  dblVal;
				{
					memcpy(&pvData.dblVal,(char*)m_pData + m_pCurDataPos, 8);
					m_pCurDataPos += 8;
					bSuccess = TRUE;
				}break;
			case VT_BOOL:	//VARIANT_BOOL            boolVal;
				{
					BOOL bData = FALSE;
					memcpy(&bData,(char*)m_pData + m_pCurDataPos, 1);
					pvData.boolVal = (bData == TRUE ) ? VARIANT_TRUE : VARIANT_FALSE;
					m_pCurDataPos += 1;
					bSuccess = TRUE;
				}break;
			case VT_DATE:	//DATE                    date;
				{
					memcpy(&pvData.date,(char*)m_pData + m_pCurDataPos, 8);
					m_pCurDataPos += 8;
					bSuccess = TRUE;
				}break;
			case VT_BSTR:	//BSTR                    bstrVal;
				{
					// 先读长度
					DWORD dwDataLen = 0;
					memcpy(&dwDataLen,(char*)m_pData + m_pCurDataPos, 4);
					m_pCurDataPos += 4;

					char *chName = new char[dwDataLen + 1];
					memcpy((char*)chName,(char*)m_pData + m_pCurDataPos,dwDataLen);
					chName[dwDataLen] = '\0';
					m_pCurDataPos += dwDataLen;

					CString strData = CString(chName);
					pvData = strData;
					delete []chName;
					bSuccess = TRUE;
				}break;
			case VT_EMPTY:
				{
					
				}break;
			case VT_NULL:
				{
					
				}break;
			default:
				{
					// 当前索引退回上一次位置
					m_pCurDataPos -= 4;
					bSuccess = FALSE;
				}break;
			}
			LeaveCriticalSection(&CRITICAL_LOCK);
		}
	}
	return bSuccess;
}
BOOL CDataParser::GetData(WORD &wData)
{
	BOOL bSuccess = FALSE;
	if(m_pData != NULL)
	{	
		// 当前位置小于总数据长度时
		if(m_pCurDataPos < m_uDataSize)
		{
			EnterCriticalSection(&CRITICAL_LOCK);
			
			// 先构造数据类型
			DWORD dwDataVT = VT_NULL;
			memcpy(&dwDataVT,(char*)m_pData + m_pCurDataPos,  4);
			m_pCurDataPos += 4;
			
			if(dwDataVT == VT_UI2)
			{
				// 构造值
				memcpy(&wData,(char*)m_pData + m_pCurDataPos, 2);
				m_pCurDataPos += 2;
				bSuccess = TRUE;
			}
			else
			{
				// 当前索引退回上一次位置
				m_pCurDataPos -= 4;
				bSuccess = FALSE;
			}
			LeaveCriticalSection(&CRITICAL_LOCK);
		}
	}
	return bSuccess;
}
BOOL CDataParser::GetData(DWORD &wData)
{
	BOOL bSuccess = FALSE;
	if(m_pData != NULL)
	{	
		// 当前位置小于总数据长度时
		if(m_pCurDataPos < m_uDataSize)
		{
			EnterCriticalSection(&CRITICAL_LOCK);
			
			// 先构造数据类型
			DWORD dwDataVT = VT_NULL;
			memcpy(&dwDataVT,(char*)m_pData + m_pCurDataPos,  4);
			m_pCurDataPos += 4;
			
			if(dwDataVT == VT_UI4)
			{
				// 构造值
				memcpy(&wData,(char*)m_pData + m_pCurDataPos, 4);
				m_pCurDataPos += 4;
				bSuccess = TRUE;
			}
			else
			{
				// 当前索引退回上一次位置
				m_pCurDataPos -= 4;
				bSuccess = FALSE;
			}
			LeaveCriticalSection(&CRITICAL_LOCK);
		}
	}
	return bSuccess;
}
BOOL CDataParser::GetData(LPVOID pData)
{
	BOOL bSuccess = FALSE;
	if(m_pData != NULL)
	{	
		// 当前位置小于总数据长度时
		if(m_pCurDataPos < m_uDataSize)
		{
			EnterCriticalSection(&CRITICAL_LOCK);
			
			// 先构造数据类型
			DWORD dwDataVT = VT_NULL;
			memcpy(&dwDataVT,(char*)m_pData + m_pCurDataPos,  4);
			m_pCurDataPos += 4;
			
			if(dwDataVT == VT_VOID)
			{
				// 先构造长度
				DWORD dwDataLen = 0;
				memcpy(&dwDataLen,(char*)m_pData + m_pCurDataPos,  4);
				m_pCurDataPos += 4;

				// 构造值
				memcpy(&pData,(char*)m_pData + m_pCurDataPos, dwDataLen);
				m_pCurDataPos += dwDataLen;
				bSuccess = TRUE;
			}
			else
			{
				// 当前索引退回上一次位置
				m_pCurDataPos -= 4;
				bSuccess = FALSE;
			}
			LeaveCriticalSection(&CRITICAL_LOCK);
		}
	}
	return bSuccess;
}
BOOL CDataParser::GetData(BOOL &wData)
{
	BOOL bSuccess = FALSE;
	if(m_pData != NULL)
	{	
		// 当前位置小于总数据长度时
		if(m_pCurDataPos < m_uDataSize)
		{
			EnterCriticalSection(&CRITICAL_LOCK);
			
			// 先构造数据类型
			DWORD dwDataVT = VT_NULL;
			memcpy(&dwDataVT,(char*)m_pData + m_pCurDataPos,  4);
			m_pCurDataPos += 4;
			
			if(dwDataVT == VT_BOOL)
			{
				// 构造值
				memcpy(&wData,(char*)m_pData + m_pCurDataPos, 1);
				m_pCurDataPos += 1;
				bSuccess = TRUE;
			}
			else
			{
				// 当前索引退回上一次位置
				m_pCurDataPos -= 4;
				bSuccess = FALSE;
			}
			LeaveCriticalSection(&CRITICAL_LOCK);
		}
	}
	return bSuccess;
}
BOOL CDataParser::GetData(BYTE &wData)
{
	BOOL bSuccess = FALSE;
	if(m_pData != NULL)
	{	
		// 当前位置小于总数据长度时
		if(m_pCurDataPos < m_uDataSize)
		{
			EnterCriticalSection(&CRITICAL_LOCK);
			
			// 先构造数据类型
			DWORD dwDataVT = VT_NULL;
			memcpy(&dwDataVT,(char*)m_pData + m_pCurDataPos,  4);
			m_pCurDataPos += 4;
			
			if(dwDataVT == VT_UI1)
			{
				// 构造值
				memcpy(&wData,(char*)m_pData + m_pCurDataPos, 1);
				m_pCurDataPos += 1;
				bSuccess = TRUE;
			}
			else
			{
				// 当前索引退回上一次位置
				m_pCurDataPos -= 4;
				bSuccess = FALSE;
			}
			LeaveCriticalSection(&CRITICAL_LOCK);
		}
	}
	return bSuccess;
}
BOOL CDataParser::GetData(char &wData)
{
	BOOL bSuccess = FALSE;
	if(m_pData != NULL)
	{	
		// 当前位置小于总数据长度时
		if(m_pCurDataPos < m_uDataSize)
		{
			EnterCriticalSection(&CRITICAL_LOCK);
			
			// 先构造数据类型
			DWORD dwDataVT = VT_NULL;
			memcpy(&dwDataVT,(char*)m_pData + m_pCurDataPos,  4);
			m_pCurDataPos += 4;
			
			if(dwDataVT == VT_I1)
			{
				// 构造值
				memcpy(&wData,(char*)m_pData + m_pCurDataPos, 1);
				m_pCurDataPos += 1;
				bSuccess = TRUE;
			}
			else
			{
				// 当前索引退回上一次位置
				m_pCurDataPos -= 4;
				bSuccess = FALSE;
			}
			LeaveCriticalSection(&CRITICAL_LOCK);
		}
	}
	return bSuccess;
}
BOOL CDataParser::GetData(short &wData)
{
	BOOL bSuccess = FALSE;
	if(m_pData != NULL)
	{	
		// 当前位置小于总数据长度时
		if(m_pCurDataPos < m_uDataSize)
		{
			EnterCriticalSection(&CRITICAL_LOCK);
			
			// 先构造数据类型
			DWORD dwDataVT = VT_NULL;
			memcpy(&dwDataVT,(char*)m_pData + m_pCurDataPos,  4);
			m_pCurDataPos += 4;
			
			if(dwDataVT == VT_I2)
			{
				// 构造值
				memcpy(&wData,(char*)m_pData + m_pCurDataPos, 2);
				m_pCurDataPos += 2;
				bSuccess = TRUE;
			}
			else
			{
				// 当前索引退回上一次位置
				m_pCurDataPos -= 4;
				bSuccess = FALSE;
			}
			LeaveCriticalSection(&CRITICAL_LOCK);
		}
	}
	return bSuccess;
}
BOOL CDataParser::GetData(long &wData)
{
	BOOL bSuccess = FALSE;
	if(m_pData != NULL)
	{	
		// 当前位置小于总数据长度时
		if(m_pCurDataPos < m_uDataSize)
		{
			EnterCriticalSection(&CRITICAL_LOCK);
			
			// 先构造数据类型
			DWORD dwDataVT = VT_NULL;
			memcpy(&dwDataVT,(char*)m_pData + m_pCurDataPos,  4);
			m_pCurDataPos += 4;
			
			if(dwDataVT == VT_I4)
			{
				// 构造值
				memcpy(&wData,(char*)m_pData + m_pCurDataPos,4);
				m_pCurDataPos += 4;
				bSuccess = TRUE;
			}
			else
			{
				// 当前索引退回上一次位置
				m_pCurDataPos -= 4;
				bSuccess = FALSE;
			}
			LeaveCriticalSection(&CRITICAL_LOCK);
		}
	}
	return bSuccess;
}
BOOL CDataParser::GetData(float &wData)
{
	BOOL bSuccess = FALSE;
	if(m_pData != NULL)
	{	
		// 当前位置小于总数据长度时
		if(m_pCurDataPos < m_uDataSize)
		{
			EnterCriticalSection(&CRITICAL_LOCK);
			
			// 先构造数据类型
			DWORD dwDataVT = VT_NULL;
			memcpy(&dwDataVT,(char*)m_pData + m_pCurDataPos,  4);
			m_pCurDataPos += 4;
			
			if(dwDataVT == VT_R4)
			{
				// 构造值
				memcpy(&wData,(char*)m_pData + m_pCurDataPos,4);
				m_pCurDataPos += 4;
				bSuccess = TRUE;
			}
			else
			{
				// 当前索引退回上一次位置
				m_pCurDataPos -= 4;
				bSuccess = FALSE;
			}
			LeaveCriticalSection(&CRITICAL_LOCK);
		}
	}
	return bSuccess;
}
BOOL CDataParser::GetData(double wData)
{
	BOOL bSuccess = FALSE;
	if(m_pData != NULL)
	{	
		// 当前位置小于总数据长度时
		if(m_pCurDataPos < m_uDataSize)
		{
			EnterCriticalSection(&CRITICAL_LOCK);
			
			// 先构造数据类型
			DWORD dwDataVT = VT_NULL;
			memcpy(&dwDataVT,(char*)m_pData + m_pCurDataPos,  4);
			m_pCurDataPos += 4;
			
			if(dwDataVT == VT_R8)
			{
				// 构造值
				memcpy(&wData,(char*)m_pData + m_pCurDataPos,8);
				m_pCurDataPos += 8;
				bSuccess = TRUE;
			}
			else
			{
				// 当前索引退回上一次位置
				m_pCurDataPos -= 4;
				bSuccess = FALSE;
			}
			LeaveCriticalSection(&CRITICAL_LOCK);
		}
	}
	return bSuccess;
}
BOOL CDataParser::GetData(COleDateTime& wData)
{
	BOOL bSuccess = FALSE;
	if(m_pData != NULL)
	{	
		// 当前位置小于总数据长度时
		if(m_pCurDataPos < m_uDataSize)
		{
			EnterCriticalSection(&CRITICAL_LOCK);
			
			// 先构造数据类型
			DWORD dwDataVT = VT_NULL;
			memcpy(&dwDataVT,(char*)m_pData + m_pCurDataPos,  4);
			m_pCurDataPos += 4;
			
			if(dwDataVT == VT_DATE)
			{
				// 构造值
				memcpy(&wData.m_dt,(char*)m_pData + m_pCurDataPos,8);
				m_pCurDataPos += 8;
				bSuccess = TRUE;
			}
			else
			{
				// 当前索引退回上一次位置
				m_pCurDataPos -= 4;
				bSuccess = FALSE;
			}
			LeaveCriticalSection(&CRITICAL_LOCK);
		}
	}
	return bSuccess;
}
BOOL CDataParser::GetData(CString& strData)
{
	BOOL bSuccess = FALSE;
	if(m_pData != NULL)
	{	
		// 当前位置小于总数据长度时
		if(m_pCurDataPos < m_uDataSize)
		{
			EnterCriticalSection(&CRITICAL_LOCK);
			
			// 先构造数据类型
			DWORD dwDataVT = VT_NULL;
			memcpy(&dwDataVT,(char*)m_pData + m_pCurDataPos,  4);
			m_pCurDataPos += 4;
			
			if(dwDataVT == VT_BSTR)
			{
				// 先构造长度
				DWORD dwDataLen = 0;
				memcpy(&dwDataLen,(char*)m_pData + m_pCurDataPos,  4);
				m_pCurDataPos += 4;
				
				char *chName = new char[dwDataLen + 1];

				// 构造值
				memcpy((char*)chName,(char*)m_pData + m_pCurDataPos, dwDataLen);
				chName[dwDataLen] = '\0';
				strData = CString(chName);
				delete []chName;

				m_pCurDataPos += dwDataLen;
				bSuccess = TRUE;
			}
			else
			{
				// 当前索引退回上一次位置
				m_pCurDataPos -= 4;
				bSuccess = FALSE;
			}
			LeaveCriticalSection(&CRITICAL_LOCK);
		}
	}
	return bSuccess;
}


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ACE-Step是由中国团队阶跃星辰(StepFun)与ACE Studio联手打造的开源音乐生成模型。 它拥有3.5B参数量,支持快速高质量生成、强可控性和易于拓展的特点。 最厉害的是,它可以生成多种语言的歌曲,包括但不限于中文、英文、日文等19种语言

基于 NSFW Model 色情图片识别鉴黄 后面更新视频检测 项目背景: 随着互联网的快速发展,网络上的信息量呈现出爆炸式的增长。然而,互联网上的内容良莠不齐,其中不乏一些不良信息,如色情、暴力等。这些信息对青少年的健康成长和社会风气产生了不良影响。为了净化网络环境,保护青少年免受不良信息的侵害,我国政府加大了对网络内容的监管力度。在此背景下,本项目应运而生,旨在实现对网络图片和视频的自动识别与过滤,助力构建清朗的网络空间。 项目简介: 本项目基于 NSFW(Not Safe For Work)Model,利用深度学习技术对色情图片进行识别与鉴黄。NSFW Model 是一种基于卷积神经网络(CNN)的图像识别模型,通过学习大量的色情图片和非色情图片,能够准确地判断一张图片是否含有色情内容。本项目在 NSFW Model 的基础上,进一步优化了模型结构,提高了识别的准确率和效率。 项目功能: 色情图片识别:用户上传图片后,系统会自动调用 NSFW Model 对图片进行识别,判断图片是否含有色情内容。如果含有色情内容,系统会给出相应的提示,并阻止图片的传播。 视频检测:针对网络视频,本项目采用帧提取技术,将视频分解为一帧帧图片,然后使用 NSFW Model 对这些图片进行识别。如果检测到含有色情内容的图片,系统会给出相应的提示,并阻止视频的传播。 实时监控:本项目可应用于网络直播、短视频平台等场景,实时监控画面内容,一旦检测到含有色情内容的画面,立即进行屏蔽处理,确保网络环境的纯洁。
### 如何在本地部署 NSFW 模型或服务 要在本地环境中成功部署 NSFW(不适宜工作场合内容)检测模型或服务,以下是详细的说明: #### 准备环境 为了确保能够顺利运行模型和服务,需要安装必要的依赖项。这些工具和库包括但不限于以下几类: - **Python 环境**: 推荐使用 Python 3.7 或更高版本。 - **Transformers 库**: 提供加载预训练模型的功能[^1]。 - **PyTorch/TensorFlow**: 支持深度学习框架的计算需求。 - **Pillow (PIL)**: 处理图像文件并将其转换为适合输入模型的形式。 具体命令如下所示: ```bash pip install transformers torch Pillow ``` #### 加载模型与测试 通过 Hugging Face 的 `transformers` 工具包可以直接访问已有的 NSFW 图片分类模型。例如,可以采用名为 `"Falconsai/nsfw_image_detection"` 的公开模型来完成此任务[^1]。 下面是一个简单的代码片段展示如何加载该模型并对单张图片执行预测操作: ```python from PIL import Image from transformers import pipeline def classify_nsfw(image_path): # 打开指定路径下的图片文件 img = Image.open(image_path) # 初始化 image-classification 流水线对象,并指明使用的特定模型名称 classifier = pipeline("image-classification", model="Falconsai/nsfw_image_detection") # 对传入的图片调用流水线方法得到其类别标签及其置信度分数列表形式的结果 result = classifier(img) return result if __name__ == "__main__": test_img_path = "<your_test_image>" output_results = classify_nsfw(test_img_path) print(output_results) ``` 注意替换 `<your_test_image>` 成实际存在的图片绝对或者相对地址字符串值之前再尝试运行以上脚本。 #### 构建 RESTful API 服务 如果希望进一步扩展功能至 Web 应用程序层面,则可考虑利用 Flask/Django 这样的轻量级 web 开发框架构建起支持 HTTP 请求交互的服务端接口。这里给出基于 FastAPI 实现的一个简单例子作为示范用途: ```python import uvicorn from fastapi import FastAPI, File, UploadFile from PIL import Image from io import BytesIO from typing import List from pydantic import BaseModel app = FastAPI() class Prediction(BaseModel): label: str score: float @app.post("/predict/", response_model=List[Prediction]) async def predict(file: UploadFile = File(...)): try: contents = await file.read() pil_image = Image.open(BytesIO(contents)) clf_pipeline = pipeline('image-classification', model='Falconsai/nsfw_image_detection') predictions = clf_pipeline(pil_image) formatted_preds = [{"label": pred['label'], "score": round(pred['score'], 4)} for pred in predictions] return formatted_preds except Exception as e: raise ValueError(f"Error processing uploaded file {e}") if __name__ == '__main__': uvicorn.run(app, host='0.0.0.0', port=8000) ``` 启动服务器之后即可向 `/predict/` 路径发送 POST 请求附带上传待分析的目标图片获取返回结果了。 ---
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