mirror of
https://github.com/OPCFoundation/UA-.NETStandard.git
synced 2026-10-23 02:00:00 +08:00
AlinMoldovean
1408 lines
32 KiB
C++
1408 lines
32 KiB
C++
/* ========================================================================
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* Copyright (c) 2005-2019 The OPC Foundation, Inc. All rights reserved.
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*
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* OPC Foundation MIT License 1.00
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* The complete license agreement can be found here:
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* http://opcfoundation.org/License/MIT/1.00/
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* ======================================================================*/
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#include "StdAfx.h"
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#include "COpcVariant.h"
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#include "math.h"
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using namespace OpcXml;
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//==============================================================================
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// Local Functions
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// MakeByRef
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static void MakeByRef(VARTYPE vtType, void* pData, VARIANT& cValue)
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{
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OpcVariantInit(&cValue);
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// return a reference to array memory.
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cValue.vt = (vtType & VT_TYPEMASK) | VT_BYREF;
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switch (vtType & VT_TYPEMASK)
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{
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case VT_I1: { cValue.pcVal = (CHAR*)pData; break; }
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case VT_UI1: { cValue.pbVal = (BYTE*)pData; break; }
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case VT_I2: { cValue.piVal = (SHORT*)pData; break; }
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case VT_UI2: { cValue.puiVal = (USHORT*)pData; break; }
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case VT_I4: { cValue.plVal = (LONG*)pData; break; }
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case VT_UI4: { cValue.pulVal = (ULONG*)pData; break; }
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case VT_I8: { cValue.pllVal = (LONGLONG*)pData; break; }
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case VT_UI8: { cValue.pullVal = (ULONGLONG*)pData; break; }
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case VT_R4: { cValue.pfltVal = (FLOAT*)pData; break; }
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case VT_R8: { cValue.pdblVal = (DOUBLE*)pData; break; }
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case VT_CY: { cValue.pcyVal = (CY*)pData; break; }
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case VT_DATE: { cValue.pdate = (DATE*)pData; break; }
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case VT_BSTR: { cValue.pbstrVal = (BSTR*)pData; break; }
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case VT_BOOL: { cValue.pboolVal = (VARIANT_BOOL*)pData; break; }
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case VT_VARIANT: { cValue.pvarVal = (VARIANT*)pData; break; }
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}
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}
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// GetValuePtr
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static void* GetValuePtr(VARIANT& cValue)
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{
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switch (cValue.vt)
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{
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case VT_I1: { return &cValue.cVal; }
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case VT_UI1: { return &cValue.bVal; }
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case VT_I2: { return &cValue.iVal; }
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case VT_UI2: { return &cValue.uiVal; }
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case VT_I4: { return &cValue.lVal; }
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case VT_UI4: { return &cValue.ulVal; }
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case VT_I8: { return &cValue.llVal; }
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case VT_UI8: { return &cValue.ullVal; }
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case VT_R4: { return &cValue.fltVal; }
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case VT_R8: { return &cValue.dblVal; }
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case VT_CY: { return &cValue.cyVal; }
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case VT_DATE: { return &cValue.date; }
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case VT_BSTR: { return &cValue.bstrVal; }
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case VT_BOOL: { return &cValue.boolVal; }
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}
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return NULL;
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}
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//============================================================================
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// GetUtcTime
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//
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// These functions were provided by the because they preserve the milliseconds
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// in the conversion between FILETIME and DATE and they are more efficient.
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inline DATE FileTimeToDate(FILETIME *pft)
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{
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return (double)((double)(*(__int64 *)pft) / 8.64e11) - (double)(363 + (1899 - 1601) * 365 + (24 + 24 + 24));
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}
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inline void FileTimeToDate(FILETIME *pft, DATE *pdate)
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{
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*pdate = FileTimeToDate(pft);
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}
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inline FILETIME DateToFileTime(DATE *pdate)
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{
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__int64 temp = (__int64)((*pdate + (double)(363 + (1899 - 1601) * 365 + (24 + 24 + 24))) * 8.64e11);
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return *(FILETIME *)&temp;
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}
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inline void DateToFileTime(DATE *pdate, FILETIME *pft)
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{
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*pft = DateToFileTime(pdate);
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}
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//==============================================================================
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// Free Functions
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// OpcVariantInit
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void OpcVariantInit(VARIANT* pValue)
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{
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if (pValue != NULL)
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{
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memset(pValue, 0, sizeof(pValue));
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}
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}
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// OpcVariantClear
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void OpcVariantClear(VARIANT* pValue)
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{
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if (pValue == NULL)
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{
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return;
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}
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VariantClear(pValue);
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memset(pValue, 0, sizeof(VARIANT));
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}
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// OpcVariantCopy
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void OpcVariantCopy(VARIANT* pDst, const VARIANT* pSrc)
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{
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if (pDst == NULL)
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{
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return;
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}
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OpcVariantClear(pDst);
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if (pSrc == NULL)
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{
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return;
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}
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VariantCopy(pDst, (VARIANT*)pSrc);
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}
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struct TOpcXmlVarType
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{
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Type eType;
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VARTYPE varType;
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};
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// XML data type to VARIANT type mapping table.
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static const TOpcXmlVarType g_pVarTypes[] =
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{
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{ XML_SBYTE, VT_I1 },
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{ XML_BYTE, VT_UI1 },
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{ XML_SHORT, VT_I2 },
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{ XML_USHORT, VT_UI2 },
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{ XML_INT, VT_I4 },
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{ XML_UINT, VT_UI4 },
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{ XML_LONG, VT_I8 },
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{ XML_ULONG, VT_UI8 },
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{ XML_FLOAT, VT_R4 },
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{ XML_DOUBLE, VT_R8 },
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{ XML_DECIMAL, VT_CY },
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{ XML_DATETIME, VT_DATE },
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{ XML_BOOLEAN, VT_BOOL },
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{ XML_STRING, VT_BSTR },
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{ XML_ANY_TYPE, VT_VARIANT },
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{ XML_EMPTY, VT_EMPTY }
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};
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// GetVarType
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VARTYPE OpcXml::GetVarType(Type eType)
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{
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for (int ii = 0; g_pVarTypes[ii].varType != VT_EMPTY; ii++)
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{
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if (eType == g_pVarTypes[ii].eType)
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{
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return g_pVarTypes[ii].varType;
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}
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}
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return VT_EMPTY;
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}
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// GetXmlType
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Type OpcXml::GetXmlType(VARTYPE varType)
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{
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for (int ii = 0; g_pVarTypes[ii].varType != VT_EMPTY; ii++)
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{
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if (varType == g_pVarTypes[ii].varType)
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{
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return g_pVarTypes[ii].eType;
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}
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}
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return XML_EMPTY;
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}
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// GetVarDate
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DATE OpcXml::GetVarDate(const DateTime& cValue)
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{
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DATE dblDate = FileTimeToDate((FILETIME*)&cValue);
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dblDate = floor(dblDate*1e9 + 0.5)/1e9;
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return dblDate;
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}
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// GetXmlDateTime
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DateTime OpcXml::GetXmlDateTime(const DATE& cDate)
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{
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return DateToFileTime((DATE*)&cDate);
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}
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//==============================================================================
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// COpcVariant
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// Clear
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void COpcVariant::Clear()
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{
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OpcVariantClear(&m_cValue);
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}
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// Assignment
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COpcVariant& COpcVariant::operator=(bool cValue)
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{
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Clear(); m_cValue.vt = VT_BOOL; m_cValue.boolVal = (cValue)?VARIANT_TRUE:VARIANT_FALSE; return *this;
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}
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// Assignment
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COpcVariant& COpcVariant::operator=(char cValue)
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{
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Clear(); m_cValue.vt = VT_I1; m_cValue.cVal = cValue; return *this;
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}
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// Assignment
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COpcVariant& COpcVariant::operator=(unsigned char cValue)
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{
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Clear(); m_cValue.vt = VT_UI1; m_cValue.bVal = cValue; return *this;
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}
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// Assignment
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COpcVariant& COpcVariant::operator=(short cValue)
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{
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Clear(); m_cValue.vt = VT_I2; m_cValue.iVal = cValue; return *this;
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}
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// Assignment
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COpcVariant& COpcVariant::operator=(unsigned short cValue)
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{
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Clear(); m_cValue.vt = VT_UI2; m_cValue.uiVal = cValue; return *this;
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}
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// Assignment
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COpcVariant& COpcVariant::operator=(int cValue)
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{
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Clear(); m_cValue.vt = VT_I4; m_cValue.lVal = cValue; return *this;
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}
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// Assignment
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COpcVariant& COpcVariant::operator=(unsigned int cValue)
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{
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Clear(); m_cValue.vt = VT_UI4; m_cValue.ulVal = cValue; return *this;
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}
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// Assignment
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COpcVariant& COpcVariant::operator=(long cValue)
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{
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Clear(); m_cValue.vt = VT_I4; m_cValue.lVal = cValue; return *this;
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}
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// Assignment
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COpcVariant& COpcVariant::operator=(unsigned long cValue)
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{
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Clear(); m_cValue.vt = VT_UI4; m_cValue.ulVal = cValue; return *this;
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}
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// Assignment
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COpcVariant& COpcVariant::operator=(__int64 cValue)
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{
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Clear(); m_cValue.vt = VT_I8; m_cValue.llVal = cValue; return *this;
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}
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// Assignment
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COpcVariant& COpcVariant::operator=(unsigned __int64 cValue)
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{
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Clear(); m_cValue.vt = VT_UI8; m_cValue.ullVal = cValue; return *this;
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}
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// Assignment
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COpcVariant& COpcVariant::operator=(float cValue)
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{
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Clear(); m_cValue.vt = VT_R4; m_cValue.fltVal = cValue; return *this;
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}
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// Assignment
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COpcVariant& COpcVariant::operator=(double cValue)
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{
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Clear(); m_cValue.vt = VT_R8; m_cValue.dblVal = cValue; return *this;
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}
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// Assignment
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COpcVariant& COpcVariant::operator=(CY cValue)
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{
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Clear(); m_cValue.vt = VT_CY; m_cValue.cyVal = cValue; return *this;
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}
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// Assignment
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COpcVariant& COpcVariant::operator=(FILETIME cValue)
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{
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Clear(); m_cValue.vt = VT_DATE; m_cValue.date = GetVarDate((DateTime)cValue); return *this;
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}
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// Assignment
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COpcVariant& COpcVariant::operator=(const COpcString& cValue)
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{
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Clear(); m_cValue.vt = VT_BSTR; m_cValue.bstrVal = SysAllocString((LPCWSTR)cValue); return *this;
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}
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// Assignment
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COpcVariant& COpcVariant::operator=(const VARIANT& cValue)
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{
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Clear();
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OpcVariantCopy(&m_cValue, &cValue);
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return *this;
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}
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COpcVariant& COpcVariant::operator=(const COpcVariant& cValue)
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{
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if (&cValue == this)
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{
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return *this;
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}
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Clear();
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OpcVariantCopy(&m_cValue, &cValue.m_cValue);
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return *this;
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}
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// Cast
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COpcVariant::operator bool() const
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{
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OPC_ASSERT(m_cValue.vt == VT_BOOL); return (m_cValue.boolVal)?true:false;
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}
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// Cast
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COpcVariant::operator char() const
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{
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OPC_ASSERT(m_cValue.vt == VT_I1); return m_cValue.cVal;
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}
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// Cast
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COpcVariant::operator unsigned char() const
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{
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OPC_ASSERT(m_cValue.vt == VT_UI1); return m_cValue.bVal;
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}
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// Cast
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COpcVariant::operator short() const
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{
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OPC_ASSERT(m_cValue.vt == VT_I2); return m_cValue.iVal;
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}
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// Cast
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COpcVariant::operator unsigned short() const
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{
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OPC_ASSERT(m_cValue.vt == VT_UI2); return m_cValue.uiVal;
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}
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// Cast
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COpcVariant::operator int() const
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{
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OPC_ASSERT(m_cValue.vt == VT_I4); return m_cValue.lVal;
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}
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// Cast
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COpcVariant::operator unsigned int() const
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{
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OPC_ASSERT(m_cValue.vt == VT_UI4); return m_cValue.ulVal;
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}
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// Cast
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COpcVariant::operator long() const
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{
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OPC_ASSERT(m_cValue.vt == VT_I4); return m_cValue.lVal;
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}
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// Cast
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COpcVariant::operator unsigned long() const
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{
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OPC_ASSERT(m_cValue.vt == VT_UI4); return m_cValue.ulVal;
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}
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// Cast
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COpcVariant::operator __int64() const
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{
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OPC_ASSERT(m_cValue.vt == VT_I8); return m_cValue.llVal;
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}
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// Cast
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COpcVariant::operator unsigned __int64() const
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{
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OPC_ASSERT(m_cValue.vt == VT_UI8); return m_cValue.ullVal;
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}
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// Cast
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COpcVariant::operator float() const
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{
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OPC_ASSERT(m_cValue.vt == VT_R4); return m_cValue.fltVal;
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}
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// Cast
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COpcVariant::operator double() const
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{
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OPC_ASSERT(m_cValue.vt == VT_R8); return m_cValue.dblVal;
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}
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// Cast
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COpcVariant::operator CY() const
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{
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OPC_ASSERT(m_cValue.vt == VT_CY); return m_cValue.cyVal;
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}
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// Cast
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COpcVariant::operator FILETIME() const
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{
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OPC_ASSERT(m_cValue.vt == VT_DATE); return (FILETIME)GetXmlDateTime(m_cValue.date);
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}
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// Cast
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COpcVariant::operator COpcString() const
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{
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OPC_ASSERT(m_cValue.vt == VT_BSTR); return (LPCWSTR)m_cValue.bstrVal;
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}
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// IsEqual
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bool COpcVariant::IsEqual(const VARIANT& cValue1, const VARIANT& cValue2)
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{
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if (cValue1.vt != cValue2.vt) return false;
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if (cValue1.vt & VT_ARRAY)
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{
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return COpcSafeArray::IsEqual(cValue1, cValue2);
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}
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switch (cValue1.vt)
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{
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case VT_EMPTY: return (cValue1.vt == cValue2.vt);
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case VT_I1: return (cValue1.cVal == cValue2.cVal);
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case VT_UI1: return (cValue1.bVal == cValue2.bVal);
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case VT_I2: return (cValue1.iVal == cValue2.iVal);
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case VT_UI2: return (cValue1.uiVal == cValue2.uiVal);
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case VT_I4: return (cValue1.lVal == cValue2.lVal);
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case VT_UI4: return (cValue1.ulVal == cValue2.ulVal);
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case VT_I8: return (cValue1.llVal == cValue2.llVal);
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case VT_UI8: return (cValue1.ullVal == cValue2.ullVal);
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case VT_R4: return (cValue1.fltVal == cValue2.fltVal);
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case VT_R8: return (cValue1.dblVal == cValue2.dblVal);
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case VT_CY: return (cValue1.cyVal.int64 == cValue2.cyVal.int64);
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case VT_DATE: return (cValue1.date == cValue2.date);
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case VT_BOOL: return (cValue1.boolVal == cValue2.boolVal);
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case VT_BSTR:
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{
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if (cValue1.bstrVal != NULL && cValue2.bstrVal != NULL)
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{
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return (wcscmp(cValue1.bstrVal, cValue2.bstrVal) == 0);
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}
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return (cValue1.bstrVal == cValue2.bstrVal);
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}
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}
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return false;
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}
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// ChangeType
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HRESULT COpcVariant::ChangeType(
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VARIANT& cDst,
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const VARIANT& cSrc,
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LCID lcid,
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VARTYPE vtType
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)
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{
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if (vtType == VT_EMPTY || vtType == VT_VARIANT || cSrc.vt == vtType)
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{
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OpcVariantCopy(&cDst, &cSrc);
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return S_OK;
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}
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OpcVariantInit(&cDst);
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// check for conversion from an array.
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if ((cSrc.vt & VT_ARRAY) != 0)
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{
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return COpcSafeArray::ChangeType(cDst, cSrc, lcid, vtType);
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}
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|
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// check for conversion from a byref variant containing an array.
|
|
if (cSrc.vt == (VT_BYREF | VT_VARIANT) && (cSrc.pvarVal->vt & VT_ARRAY) != 0)
|
|
{
|
|
return COpcSafeArray::ChangeType(cDst, *cSrc.pvarVal, lcid, vtType);
|
|
}
|
|
|
|
// convert value.
|
|
HRESULT hResult = VariantChangeTypeEx(&cDst, (VARIANT*)&cSrc, lcid, VARIANT_NOVALUEPROP, vtType);
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
return hResult;
|
|
}
|
|
|
|
// check for incorrect conversion from signed to unsigned types.
|
|
switch (vtType)
|
|
{
|
|
case VT_UI1:
|
|
case VT_UI2:
|
|
case VT_UI4:
|
|
case VT_UI8:
|
|
{
|
|
switch (cSrc.vt)
|
|
{
|
|
case VT_I1: { if (cSrc.cVal < 0) return DISP_E_OVERFLOW; break; }
|
|
case VT_I2: { if (cSrc.iVal < 0) return DISP_E_OVERFLOW; break; }
|
|
case VT_I4: { if (cSrc.lVal < 0) return DISP_E_OVERFLOW; break; }
|
|
case VT_I8: { if (cSrc.lVal < 0) return DISP_E_OVERFLOW; break; }
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
// check for incorrect conversion from unsigned to signed types.
|
|
switch (cSrc.vt)
|
|
{
|
|
case VT_UI1:
|
|
case VT_UI2:
|
|
case VT_UI4:
|
|
case VT_UI8:
|
|
{
|
|
switch (cDst.vt)
|
|
{
|
|
case VT_I1: { if (cDst.cVal < 0) return DISP_E_OVERFLOW; break; }
|
|
case VT_I2: { if (cDst.iVal < 0) return DISP_E_OVERFLOW; break; }
|
|
case VT_I4: { if (cDst.lVal < 0) return DISP_E_OVERFLOW; break; }
|
|
case VT_I8: { if (cDst.lVal < 0) return DISP_E_OVERFLOW; break; }
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
//==============================================================================
|
|
// COpcSafeArray
|
|
|
|
// Constructor
|
|
COpcSafeArray::COpcSafeArray(VARIANT& cValue) : m_cValue(cValue), m_uLocks(0)
|
|
{
|
|
OPC_ASSERT(m_cValue.vt == VT_EMPTY || m_cValue.vt & VT_ARRAY);
|
|
}
|
|
|
|
// Destructor
|
|
COpcSafeArray::~COpcSafeArray()
|
|
{
|
|
if (m_cValue.vt != VT_EMPTY)
|
|
{
|
|
// release all locks.
|
|
for (;m_uLocks > 0; m_uLocks--)
|
|
{
|
|
HRESULT hResult = SafeArrayUnlock(m_cValue.parray);
|
|
OPC_ASSERT(SUCCEEDED(hResult));
|
|
}
|
|
}
|
|
}
|
|
|
|
// Alloc
|
|
void COpcSafeArray::Alloc(VARTYPE vtType, UINT uLength)
|
|
{
|
|
OpcVariantClear(&m_cValue);
|
|
|
|
SAFEARRAYBOUND cBound;
|
|
|
|
cBound.lLbound = 0;
|
|
cBound.cElements = uLength;
|
|
|
|
m_cValue.vt = vtType | VT_ARRAY;
|
|
m_cValue.parray = SafeArrayCreate(vtType, 1, &cBound);
|
|
|
|
OPC_ASSERT(m_cValue.parray != NULL);
|
|
}
|
|
|
|
// Lock
|
|
void COpcSafeArray::Lock()
|
|
{
|
|
if (m_cValue.vt != VT_EMPTY)
|
|
{
|
|
m_uLocks++;
|
|
HRESULT hResult = SafeArrayLock(m_cValue.parray);
|
|
OPC_ASSERT(SUCCEEDED(hResult));
|
|
}
|
|
}
|
|
|
|
// Unlock
|
|
void COpcSafeArray::Unlock()
|
|
{
|
|
if (m_cValue.vt != VT_EMPTY)
|
|
{
|
|
m_uLocks--;
|
|
HRESULT hResult = SafeArrayUnlock(m_cValue.parray);
|
|
OPC_ASSERT(SUCCEEDED(hResult));
|
|
}
|
|
}
|
|
|
|
// GetLength
|
|
UINT COpcSafeArray::GetLength() const
|
|
{
|
|
LONG lLength = 0;
|
|
|
|
if (m_cValue.vt != VT_EMPTY)
|
|
{
|
|
HRESULT hResult = SafeArrayGetUBound(m_cValue.parray, 1, &lLength);
|
|
OPC_ASSERT(SUCCEEDED(hResult));
|
|
|
|
return (UINT)(lLength+1);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
// GetData
|
|
void* COpcSafeArray::GetData() const
|
|
{
|
|
void* pData = NULL;
|
|
|
|
if (m_cValue.vt != VT_EMPTY)
|
|
{
|
|
HRESULT hResult = SafeArrayAccessData(m_cValue.parray, &pData);
|
|
OPC_ASSERT(SUCCEEDED(hResult));
|
|
|
|
SafeArrayUnaccessData(m_cValue.parray);
|
|
}
|
|
|
|
return pData;
|
|
}
|
|
|
|
// GetElemType
|
|
VARTYPE COpcSafeArray::GetElemType() const
|
|
{
|
|
VARTYPE vtType = VT_EMPTY;
|
|
|
|
if (m_cValue.vt != VT_EMPTY)
|
|
{
|
|
HRESULT hResult = SafeArrayGetVartype(m_cValue.parray, &vtType);
|
|
OPC_ASSERT(SUCCEEDED(hResult));
|
|
}
|
|
|
|
return vtType;
|
|
}
|
|
|
|
// GetElemSize
|
|
UINT COpcSafeArray::GetElemSize() const
|
|
{
|
|
if (m_cValue.vt != VT_EMPTY)
|
|
{
|
|
return SafeArrayGetElemsize(m_cValue.parray);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
// GetElem
|
|
void* COpcSafeArray::GetElem(UINT uIndex)
|
|
{
|
|
void* pData = NULL;
|
|
|
|
if (m_cValue.vt != VT_EMPTY)
|
|
{
|
|
HRESULT hResult = SafeArrayPtrOfIndex(m_cValue.parray, (LONG*)&uIndex, (void**)&pData);
|
|
OPC_ASSERT(SUCCEEDED(hResult));
|
|
}
|
|
|
|
return pData;
|
|
}
|
|
|
|
// SetElem
|
|
void COpcSafeArray::SetElem(UINT uIndex, void* pElem)
|
|
{
|
|
if (pElem == NULL) return;
|
|
|
|
void* pData = NULL;
|
|
|
|
if (m_cValue.vt != VT_EMPTY)
|
|
{
|
|
ULONG uSize = SafeArrayGetElemsize(m_cValue.parray);
|
|
BYTE* pData = (BYTE*)GetData();
|
|
|
|
memcpy(pData + uSize*uIndex, pElem, uSize);
|
|
}
|
|
}
|
|
|
|
// IsEqual
|
|
bool COpcSafeArray::IsEqual(const VARIANT& cValue1, const VARIANT& cValue2)
|
|
{
|
|
if (cValue1.vt != cValue2.vt) return false;
|
|
|
|
COpcSafeArray cArray1((VARIANT&)cValue1);
|
|
COpcSafeArray cArray2((VARIANT&)cValue2);
|
|
|
|
// check if the length differs.
|
|
if (cArray1.GetLength() != cArray2.GetLength()) return false;
|
|
|
|
// compare each element,
|
|
UINT uLength = cArray1.GetLength();
|
|
|
|
cArray1.Lock();
|
|
cArray2.Lock();
|
|
|
|
bool bIsEqual = true;
|
|
|
|
for (UINT ii = 0; ii < uLength; ii++)
|
|
{
|
|
void* pElem1 = cArray1.GetElem(ii);
|
|
void* pElem2 = cArray2.GetElem(ii);
|
|
|
|
switch (cValue1.vt & VT_TYPEMASK)
|
|
{
|
|
default: { bIsEqual = false; }
|
|
|
|
case VT_I1: { bIsEqual = (*((char*)pElem1) == *((char*)pElem2)); break; }
|
|
case VT_UI1: { bIsEqual = (*((unsigned char*)pElem1) == *((unsigned char*)pElem2)); break; }
|
|
case VT_I2: { bIsEqual = (*((short*)pElem1) == *((short*)pElem2)); break; }
|
|
case VT_UI2: { bIsEqual = (*((unsigned short*)pElem1) == *((unsigned short*)pElem2)); break; }
|
|
case VT_I4: { bIsEqual = (*((long*)pElem1) == *((long*)pElem2)); break; }
|
|
case VT_UI4: { bIsEqual = (*((unsigned long*)pElem1) == *((unsigned long*)pElem2)); break; }
|
|
case VT_I8: { bIsEqual = (*((__int64*)pElem1) == *((__int64*)pElem2)); break; }
|
|
case VT_UI8: { bIsEqual = (*((unsigned __int64*)pElem1) == *((unsigned __int64*)pElem2)); break; }
|
|
case VT_R4: { bIsEqual = (*((float*)pElem1) == *((float*)pElem2)); break; }
|
|
case VT_R8: { bIsEqual = (*((double*)pElem1) == *((double*)pElem2)); break; }
|
|
case VT_CY: { bIsEqual = (((CY*)pElem1)->int64 == ((CY*)pElem2)->int64); break; }
|
|
case VT_DATE: { bIsEqual = (*((DATE*)pElem1) == *((DATE*)pElem2)); break; }
|
|
case VT_BOOL: { bIsEqual = (*((VARIANT_BOOL*)pElem1) == *((VARIANT_BOOL*)pElem2)); break; }
|
|
|
|
case VT_BSTR: { bIsEqual = (wcscmp(*((BSTR*)pElem1), *((BSTR*)pElem2)) == 0); break; }
|
|
|
|
case VT_VARIANT: { bIsEqual = COpcVariant::IsEqual(*((VARIANT*)pElem1), *((VARIANT*)pElem2)); break; }
|
|
}
|
|
|
|
if (!bIsEqual)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
cArray1.Unlock();
|
|
cArray2.Unlock();
|
|
|
|
return bIsEqual;
|
|
}
|
|
|
|
// ChangeType
|
|
HRESULT COpcSafeArray::ChangeType(VARIANT& cDst, const VARIANT& cSrc, LCID lcid, VARTYPE vtType)
|
|
{
|
|
if (((cSrc.vt & VT_ARRAY) == 0) || ((vtType & VT_ARRAY) == 0 && vtType != VT_BSTR))
|
|
{
|
|
return DISP_E_TYPEMISMATCH;
|
|
}
|
|
|
|
HRESULT hResult = S_OK;
|
|
|
|
COpcSafeArray cSrcArr((VARIANT&)cSrc);
|
|
cSrcArr.Lock();
|
|
|
|
UINT uLength = cSrcArr.GetLength();
|
|
|
|
if (vtType != VT_BSTR)
|
|
{
|
|
COpcSafeArray cDstArr((VARIANT&)cDst);
|
|
|
|
// allocate new array.
|
|
cDstArr.Alloc(vtType & VT_TYPEMASK, uLength);
|
|
|
|
cDstArr.Lock();
|
|
|
|
for (UINT ii = 0; ii < uLength; ii++)
|
|
{
|
|
VARIANT cSrcElem; OpcVariantInit(&cSrcElem);
|
|
VARIANT cDstElem; OpcVariantInit(&cDstElem);
|
|
|
|
MakeByRef(cSrc.vt & VT_TYPEMASK, cSrcArr.GetElem(ii), cSrcElem);
|
|
|
|
hResult = COpcVariant::ChangeType(cDstElem, cSrcElem, lcid, vtType & VT_TYPEMASK);
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
hResult = DISP_E_OVERFLOW;
|
|
break;
|
|
}
|
|
|
|
if ((vtType & VT_TYPEMASK) == VT_VARIANT)
|
|
{
|
|
cDstArr.SetElem(ii, &cDstElem);
|
|
}
|
|
else
|
|
{
|
|
cDstArr.SetElem(ii, GetValuePtr(cDstElem));
|
|
}
|
|
}
|
|
|
|
cDstArr.Unlock();
|
|
}
|
|
else
|
|
{
|
|
COpcString cDstStr;
|
|
|
|
cDstStr += _T("{");
|
|
|
|
for (UINT ii = 0; ii < uLength; ii++)
|
|
{
|
|
VARIANT cDstElem; OpcVariantInit(&cDstElem);
|
|
VARIANT cSrcElem; OpcVariantInit(&cSrcElem);
|
|
|
|
MakeByRef(cSrc.vt & VT_TYPEMASK, cSrcArr.GetElem(ii), cSrcElem);
|
|
|
|
hResult = COpcVariant::ChangeType(cDstElem, cSrcElem, lcid, VT_BSTR);
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
hResult = DISP_E_OVERFLOW;
|
|
break;
|
|
}
|
|
|
|
cDstStr += (LPCWSTR)cDstElem.bstrVal;
|
|
|
|
if (ii < uLength-1)
|
|
{
|
|
cDstStr += _T(" | ");
|
|
}
|
|
}
|
|
|
|
cDstStr += _T("}");
|
|
|
|
cDst.vt = VT_BSTR;
|
|
cDst.bstrVal = SysAllocString((LPCWSTR)cDstStr);
|
|
}
|
|
|
|
cSrcArr.Unlock();
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
OpcVariantClear(&cDst);
|
|
}
|
|
|
|
return hResult;
|
|
}
|
|
|
|
// OpcReadVariant
|
|
HRESULT OpcReadVariant(bool& cDst, const VARIANT& cSrc)
|
|
{
|
|
VARIANT vDst; VariantInit(&vDst);
|
|
|
|
HRESULT hResult = VariantChangeType(&vDst, (VARIANT*)&cSrc, VARIANT_NOVALUEPROP, VT_BOOL);
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
return hResult;
|
|
}
|
|
|
|
cDst = (vDst.boolVal)?true:false;
|
|
return S_OK;
|
|
}
|
|
|
|
// OpcReadVariant
|
|
HRESULT OpcReadVariant(char& cDst, const VARIANT& cSrc)
|
|
{
|
|
VARIANT vDst; VariantInit(&vDst);
|
|
|
|
HRESULT hResult = VariantChangeType(&vDst, (VARIANT*)&cSrc, VARIANT_NOVALUEPROP, VT_I1);
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
return hResult;
|
|
}
|
|
|
|
cDst = vDst.cVal;
|
|
return S_OK;
|
|
}
|
|
|
|
// OpcReadVariant
|
|
HRESULT OpcReadVariant(unsigned char& cDst, const VARIANT& cSrc)
|
|
{
|
|
VARIANT vDst; VariantInit(&vDst);
|
|
|
|
HRESULT hResult = VariantChangeType(&vDst, (VARIANT*)&cSrc, VARIANT_NOVALUEPROP, VT_UI1);
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
return hResult;
|
|
}
|
|
|
|
cDst = vDst.bVal;
|
|
return S_OK;
|
|
}
|
|
|
|
// OpcReadVariant
|
|
HRESULT OpcReadVariant(short& cDst, const VARIANT& cSrc)
|
|
{
|
|
VARIANT vDst; VariantInit(&vDst);
|
|
|
|
HRESULT hResult = VariantChangeType(&vDst, (VARIANT*)&cSrc, VARIANT_NOVALUEPROP, VT_I2);
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
return hResult;
|
|
}
|
|
|
|
cDst = vDst.iVal;
|
|
return S_OK;
|
|
}
|
|
|
|
// OpcReadVariant
|
|
HRESULT OpcReadVariant(unsigned short& cDst, const VARIANT& cSrc)
|
|
{
|
|
VARIANT vDst; VariantInit(&vDst);
|
|
|
|
HRESULT hResult = VariantChangeType(&vDst, (VARIANT*)&cSrc, VARIANT_NOVALUEPROP, VT_UI2);
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
return hResult;
|
|
}
|
|
|
|
cDst = vDst.uiVal;
|
|
return S_OK;
|
|
}
|
|
|
|
// OpcReadVariant
|
|
HRESULT OpcReadVariant(int& cDst, const VARIANT& cSrc)
|
|
{
|
|
VARIANT vDst; VariantInit(&vDst);
|
|
|
|
HRESULT hResult = VariantChangeType(&vDst, (VARIANT*)&cSrc, VARIANT_NOVALUEPROP, VT_I4);
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
return hResult;
|
|
}
|
|
|
|
cDst = vDst.lVal;
|
|
return S_OK;
|
|
}
|
|
|
|
// OpcReadVariant
|
|
HRESULT OpcReadVariant(unsigned int& cDst, const VARIANT& cSrc)
|
|
{
|
|
VARIANT vDst; VariantInit(&vDst);
|
|
|
|
HRESULT hResult = VariantChangeType(&vDst, (VARIANT*)&cSrc, VARIANT_NOVALUEPROP, VT_UI4);
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
return hResult;
|
|
}
|
|
|
|
cDst = vDst.lVal;
|
|
return S_OK;
|
|
}
|
|
|
|
// OpcReadVariant
|
|
HRESULT OpcReadVariant(long& cDst, const VARIANT& cSrc)
|
|
{
|
|
VARIANT vDst; VariantInit(&vDst);
|
|
|
|
HRESULT hResult = VariantChangeType(&vDst, (VARIANT*)&cSrc, VARIANT_NOVALUEPROP, VT_I4);
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
return hResult;
|
|
}
|
|
|
|
cDst = vDst.lVal;
|
|
return S_OK;
|
|
}
|
|
|
|
// OpcReadVariant
|
|
HRESULT OpcReadVariant(unsigned long& cDst, const VARIANT& cSrc)
|
|
{
|
|
VARIANT vDst; VariantInit(&vDst);
|
|
|
|
HRESULT hResult = VariantChangeType(&vDst, (VARIANT*)&cSrc, VARIANT_NOVALUEPROP, VT_UI4);
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
return hResult;
|
|
}
|
|
|
|
cDst = vDst.lVal;
|
|
return S_OK;
|
|
}
|
|
|
|
// OpcReadVariant
|
|
HRESULT OpcReadVariant(__int64& cDst, const VARIANT& cSrc)
|
|
{
|
|
VARIANT vDst; VariantInit(&vDst);
|
|
|
|
HRESULT hResult = VariantChangeType(&vDst, (VARIANT*)&cSrc, VARIANT_NOVALUEPROP, VT_I8);
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
return hResult;
|
|
}
|
|
|
|
cDst = vDst.lVal;
|
|
return S_OK;
|
|
}
|
|
|
|
// OpcReadVariant
|
|
HRESULT OpcReadVariant(unsigned __int64& cDst, const VARIANT& cSrc)
|
|
{
|
|
VARIANT vDst; VariantInit(&vDst);
|
|
|
|
HRESULT hResult = VariantChangeType(&vDst, (VARIANT*)&cSrc, VARIANT_NOVALUEPROP, VT_UI8);
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
return hResult;
|
|
}
|
|
|
|
cDst = vDst.lVal;
|
|
return S_OK;
|
|
}
|
|
|
|
// OpcReadVariant
|
|
HRESULT OpcReadVariant(float& cDst, const VARIANT& cSrc)
|
|
{
|
|
VARIANT vDst; VariantInit(&vDst);
|
|
|
|
HRESULT hResult = VariantChangeType(&vDst, (VARIANT*)&cSrc, VARIANT_NOVALUEPROP, VT_R4);
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
return hResult;
|
|
}
|
|
|
|
cDst = vDst.fltVal;
|
|
return S_OK;
|
|
}
|
|
|
|
// OpcReadVariant
|
|
HRESULT OpcReadVariant(double& cDst, const VARIANT& cSrc)
|
|
{
|
|
VARIANT vDst; VariantInit(&vDst);
|
|
|
|
HRESULT hResult = VariantChangeType(&vDst, (VARIANT*)&cSrc, VARIANT_NOVALUEPROP, VT_R8);
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
return hResult;
|
|
}
|
|
|
|
cDst = vDst.dblVal;
|
|
return S_OK;
|
|
}
|
|
|
|
// OpcReadVariant
|
|
HRESULT OpcReadVariant(CY& cDst, const VARIANT& cSrc)
|
|
{
|
|
VARIANT vDst; VariantInit(&vDst);
|
|
|
|
HRESULT hResult = VariantChangeType(&vDst, (VARIANT*)&cSrc, VARIANT_NOVALUEPROP, VT_CY);
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
return hResult;
|
|
}
|
|
|
|
cDst = vDst.cyVal;
|
|
return S_OK;
|
|
}
|
|
|
|
// OpcReadVariant
|
|
HRESULT OpcReadVariant(FILETIME& cDst, const VARIANT& cSrc)
|
|
{
|
|
VARIANT vDst; VariantInit(&vDst);
|
|
|
|
HRESULT hResult = VariantChangeType(&vDst, (VARIANT*)&cSrc, VARIANT_NOVALUEPROP, VT_DATE);
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
return hResult;
|
|
}
|
|
|
|
cDst = OpcXml::GetXmlDateTime(vDst.date);
|
|
return S_OK;
|
|
}
|
|
|
|
// OpcReadVariant
|
|
HRESULT OpcReadVariant(COpcString& cDst, const VARIANT& cSrc)
|
|
{
|
|
VARIANT vDst; VariantInit(&vDst);
|
|
|
|
HRESULT hResult = VariantChangeType(&vDst, (VARIANT*)&cSrc, VARIANT_NOVALUEPROP, VT_BSTR);
|
|
|
|
if (FAILED(hResult))
|
|
{
|
|
return hResult;
|
|
}
|
|
|
|
cDst = vDst.bstrVal;
|
|
VariantClear(&vDst);
|
|
return S_OK;
|
|
}
|
|
|
|
// OpcReadVariant
|
|
HRESULT OpcReadVariant(COpcStringList& cDst, const VARIANT& cSrc)
|
|
{
|
|
cDst.RemoveAll();
|
|
|
|
if (cSrc.vt != (VT_ARRAY | VT_BSTR))
|
|
{
|
|
return DISP_E_TYPEMISMATCH;
|
|
}
|
|
|
|
COpcSafeArray cArray((VARIANT&)cSrc);
|
|
|
|
cArray.Lock();
|
|
|
|
UINT uLength = cArray.GetLength();
|
|
BSTR* pData = (BSTR*)cArray.GetData();
|
|
|
|
for (UINT ii = 0; ii < uLength; ii++)
|
|
{
|
|
cDst.AddTail(pData[ii]);
|
|
}
|
|
|
|
cArray.Unlock();
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
// OpcReadVariant
|
|
HRESULT OpcReadVariant(COpcStringArray& cDst, const VARIANT& cSrc)
|
|
{
|
|
cDst.RemoveAll();
|
|
|
|
if (cSrc.vt != (VT_ARRAY | VT_BSTR))
|
|
{
|
|
return DISP_E_TYPEMISMATCH;
|
|
}
|
|
|
|
COpcSafeArray cArray((VARIANT&)cSrc);
|
|
|
|
cArray.Lock();
|
|
|
|
UINT uLength = cArray.GetLength();
|
|
BSTR* pData = (BSTR*)cArray.GetData();
|
|
|
|
cDst.SetSize(uLength);
|
|
|
|
for (UINT ii = 0; ii < uLength; ii++)
|
|
{
|
|
cDst[ii] = pData[ii];
|
|
}
|
|
|
|
cArray.Unlock();
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, bool cSrc)
|
|
{
|
|
VariantClear(&cDst);
|
|
cDst.vt = VT_BOOL;
|
|
cDst.boolVal = cSrc;
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, char cSrc)
|
|
{
|
|
VariantClear(&cDst);
|
|
cDst.vt = VT_I1;
|
|
cDst.cVal = cSrc;
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, unsigned char cSrc)
|
|
{
|
|
VariantClear(&cDst);
|
|
cDst.vt = VT_UI1;
|
|
cDst.bVal = cSrc;
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, short cSrc)
|
|
{
|
|
VariantClear(&cDst);
|
|
cDst.vt = VT_I2;
|
|
cDst.iVal = cSrc;
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, unsigned short cSrc)
|
|
{
|
|
VariantClear(&cDst);
|
|
cDst.vt = VT_UI2;
|
|
cDst.uiVal = cSrc;
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, int cSrc)
|
|
{
|
|
VariantClear(&cDst);
|
|
cDst.vt = VT_I4;
|
|
cDst.lVal = cSrc;
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, unsigned int cSrc)
|
|
{
|
|
VariantClear(&cDst);
|
|
cDst.vt = VT_UI4;
|
|
cDst.ulVal = cSrc;
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, long cSrc)
|
|
{
|
|
VariantClear(&cDst);
|
|
cDst.vt = VT_I4;
|
|
cDst.lVal = cSrc;
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, unsigned long cSrc)
|
|
{
|
|
VariantClear(&cDst);
|
|
cDst.vt = VT_UI4;
|
|
cDst.ulVal = cSrc;
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, __int64 cSrc)
|
|
{
|
|
VariantClear(&cDst);
|
|
cDst.vt = VT_I8;
|
|
cDst.llVal = cSrc;
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, unsigned __int64 cSrc)
|
|
{
|
|
VariantClear(&cDst);
|
|
cDst.vt = VT_UI8;
|
|
cDst.ullVal = cSrc;
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, float cSrc)
|
|
{
|
|
VariantClear(&cDst);
|
|
cDst.vt = VT_R4;
|
|
cDst.fltVal = cSrc;
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, double cSrc)
|
|
{
|
|
VariantClear(&cDst);
|
|
cDst.vt = VT_R8;
|
|
cDst.dblVal = cSrc;
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, CY cSrc)
|
|
{
|
|
VariantClear(&cDst);
|
|
cDst.vt = VT_CY;
|
|
cDst.cyVal = cSrc;
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, FILETIME& cSrc)
|
|
{
|
|
VariantClear(&cDst);
|
|
cDst.vt = VT_DATE;
|
|
cDst.date = OpcXml::GetVarDate(cSrc);
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, LPWSTR cSrc)
|
|
{
|
|
VariantClear(&cDst);
|
|
cDst.vt = VT_BSTR;
|
|
cDst.bstrVal = SysAllocString(cSrc);
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, const COpcString& cSrc)
|
|
{
|
|
VariantClear(&cDst);
|
|
cDst.vt = VT_BSTR;
|
|
cDst.bstrVal = SysAllocString((LPCWSTR)cSrc);
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, const COpcStringList& cSrc)
|
|
{
|
|
VariantClear(&cDst);
|
|
|
|
UINT uLength = cSrc.GetCount();
|
|
|
|
if (uLength > 0)
|
|
{
|
|
COpcSafeArray cArray(cDst);
|
|
|
|
cArray.Alloc(VT_BSTR, uLength);
|
|
cArray.Lock();
|
|
|
|
BSTR* pData = (BSTR*)cArray.GetData();
|
|
|
|
OPC_POS pos = cSrc.GetHeadPosition();
|
|
|
|
for (UINT ii = 0; pos != NULL; ii++)
|
|
{
|
|
pData[ii] = SysAllocString((LPCWSTR)cSrc.GetNext(pos));
|
|
}
|
|
|
|
cArray.Unlock();
|
|
}
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, const COpcStringArray& cSrc)
|
|
{
|
|
VariantClear(&cDst);
|
|
|
|
UINT uLength = cSrc.GetSize();
|
|
|
|
if (uLength > 0)
|
|
{
|
|
COpcSafeArray cArray(cDst);
|
|
|
|
cArray.Alloc(VT_BSTR, uLength);
|
|
cArray.Lock();
|
|
|
|
BSTR* pData = (BSTR*)cArray.GetData();
|
|
|
|
for (UINT ii = 0; ii < uLength; ii++)
|
|
{
|
|
pData[ii] = SysAllocString((LPCWSTR)cSrc[ii]);
|
|
}
|
|
|
|
cArray.Unlock();
|
|
}
|
|
}
|
|
|
|
// OpcWriteVariant
|
|
void OpcWriteVariant(VARIANT& cDst, const LPCWSTR* pszStrings)
|
|
{
|
|
VariantClear(&cDst);
|
|
|
|
if (pszStrings == NULL)
|
|
{
|
|
return;
|
|
}
|
|
|
|
for (UINT uLength = 0; pszStrings[uLength] != NULL; uLength++);
|
|
|
|
if (uLength > 0)
|
|
{
|
|
COpcSafeArray cArray(cDst);
|
|
|
|
cArray.Alloc(VT_BSTR, uLength);
|
|
cArray.Lock();
|
|
|
|
BSTR* pData = (BSTR*)cArray.GetData();
|
|
|
|
for (UINT ii = 0; ii < uLength; ii++)
|
|
{
|
|
pData[ii] = SysAllocString(pszStrings[ii]);
|
|
}
|
|
|
|
cArray.Unlock();
|
|
}
|
|
}
|