Leaked source code of windows server 2003
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2.8 KiB

//
// MODULE: VariantBuilder.cpp
//
// PURPOSE: implementation of the CVariantBuilder class. Allows us to construct
// a pair of arrays for the name-value pairs to be passed to RunQuery. This lets
// JScript sanely use a system that was mostly designed for VB Script.
//
// PROJECT: Troubleshooter 99
//
// COMPANY: Saltmine Creative, Inc. (206)-284-7511 [email protected]
//
// AUTHOR: Joe Mabel
//
// ORIGINAL DATE: 02.01.99
//
// NOTES:
// Implementation of CTSHOOTCtrl
//
// Version Date By Comments
//--------------------------------------------------------------------
// V3.1 02.01.99 JM
#include "stdafx.h"
#include "VariantBuilder.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CVariantBuilder::CVariantBuilder()
{
VariantInit(&m_varCommands);
VariantInit(&m_varValues);
VariantInit(&m_varCommandsWrap);
VariantInit(&m_varValuesWrap);
V_VT(&m_varCommands) = VT_ARRAY | VT_BYREF | VT_VARIANT;
V_VT(&m_varValues) = VT_ARRAY | VT_BYREF | VT_VARIANT;
V_ARRAYREF(&m_varCommands) = &m_psafearrayCmds;
V_ARRAYREF(&m_varValues) = &m_psafearrayVals;
V_VT(&m_varCommandsWrap) = VT_BYREF | VT_VARIANT;
V_VT(&m_varValuesWrap) = VT_BYREF | VT_VARIANT;
V_VARIANTREF(&m_varCommandsWrap) = &m_varCommands;
V_VARIANTREF(&m_varValuesWrap) = &m_varValues;
SAFEARRAYBOUND sabCmd;
sabCmd.cElements = k_cMaxElements;
sabCmd.lLbound = 0;
SAFEARRAYBOUND sabVal = sabCmd;
// create two vectors of VARIANTs to wrap BSTRs
m_psafearrayCmds = SafeArrayCreate( VT_VARIANT, 1, &sabCmd);
m_psafearrayVals = SafeArrayCreate( VT_VARIANT, 1, &sabVal);
m_cElements = 0;
}
CVariantBuilder::~CVariantBuilder()
{
SafeArrayDestroy(m_psafearrayCmds);
SafeArrayDestroy(m_psafearrayVals);
VariantClear(&m_varCommands);
VariantClear(&m_varValues);
VariantClear(&m_varCommandsWrap);
VariantClear(&m_varValuesWrap);
}
// effectively, add a name-value pair to the arrays.
// If the array is full (which should never happen in the real world) silently fails.
void CVariantBuilder::SetPair(BSTR bstrCmd, BSTR bstrVal)
{
if (m_cElements < k_cMaxElements)
{
VariantInit(&m_pvarCmd[m_cElements]);
VariantInit(&m_pvarVal[m_cElements]);
V_VT(&m_pvarCmd[m_cElements]) = VT_BSTR;
V_VT(&m_pvarVal[m_cElements]) = VT_BSTR;
m_pvarCmd[m_cElements].bstrVal=bstrCmd;
m_pvarVal[m_cElements].bstrVal=bstrVal;
SafeArrayPutElement(m_psafearrayCmds, &m_cElements, &m_pvarCmd[m_cElements]);
SafeArrayPutElement(m_psafearrayVals, &m_cElements, &m_pvarVal[m_cElements]);
++m_cElements;
}
}