对不同数据类型拼接成一个内存块的封装
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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GetDatavirtual 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 BOOLRemoveAllDataItem();/*================================================================*【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 DWORDGetDataSize();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_FILEstatic char THIS_FILE[]=__FILE__;#define new DEBUG_NEW#endifCDataParser::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;elsedfData = 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;} 1 0
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