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