473 lines
8.3 KiB
C++
473 lines
8.3 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1995.
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//
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// File: nw2var.cxx
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//
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// Contents: Nw312 Object to Variant Copy Routines
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//
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// Functions:
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//
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// History: 06/12/96 KrishnaG created.
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// cloned off NDS conversion code.
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//
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//
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//----------------------------------------------------------------------------
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//
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// NTType objects copy code
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//
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#include "nwcompat.hxx"
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#pragma hdrstop
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void
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VarTypeFreeVarObjects(
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PVARIANT pVarObject,
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DWORD dwNumValues
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)
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{
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DWORD i = 0;
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if( !pVarObject){
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return;
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}
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for (i = 0; i < dwNumValues; i++ ) {
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VariantClear(pVarObject + i);
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}
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FreeADsMem(pVarObject);
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return;
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}
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HRESULT
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NTTypeToVarTypeCopyBOOL(
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PNTOBJECT pNTSrcValue,
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PVARIANT lpVarDestObject
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)
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{
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HRESULT hr = S_OK;
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if(!lpVarDestObject){
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RRETURN(E_POINTER);
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}
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if(!pNTSrcValue){
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RRETURN(E_POINTER);
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}
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lpVarDestObject->vt = VT_BOOL;
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if((pNTSrcValue->NTValue).fValue){
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lpVarDestObject->boolVal = VARIANT_TRUE; // notation for TRUE in V_BOOL
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} else {
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lpVarDestObject->boolVal = VARIANT_FALSE;
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}
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RRETURN(hr);
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}
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HRESULT
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NTTypeToVarTypeCopySYSTEMTIME(
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PNTOBJECT pNTSrcValue,
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PVARIANT lpVarDestObject
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)
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{
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HRESULT hr = S_OK;
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if(!pNTSrcValue){
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RRETURN(E_POINTER);
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}
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if(!lpVarDestObject){
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RRETURN(E_POINTER);
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}
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lpVarDestObject->vt = VT_DATE;
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hr = ConvertSystemTimeToDATE (pNTSrcValue->NTValue.stSystemTimeValue,
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&lpVarDestObject->date );
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RRETURN(hr);
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}
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HRESULT
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NTTypeToVarTypeCopyDWORD(
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PNTOBJECT pNTSrcValue,
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PVARIANT lpVarDestObject
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)
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{
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//
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// we cast the DWORD to a LONG
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//
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HRESULT hr = S_OK;
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if(!lpVarDestObject){
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RRETURN(E_POINTER);
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}
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if(!pNTSrcValue){
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RRETURN(E_POINTER);
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}
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lpVarDestObject->vt = VT_I4;
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lpVarDestObject->lVal = (LONG)(pNTSrcValue->NTValue).dwValue;
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RRETURN(hr);
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}
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HRESULT
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NTTypeToVarTypeCopyDATE(
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PNTOBJECT pNTSrcValue,
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PVARIANT lpVarDestObject
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)
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{
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HRESULT hr = S_OK;
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SYSTEMTIME stSystemTime;
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SYSTEMTIME LocalTime;
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DATE date ;
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BOOL fRetval;
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GetSystemTime( &stSystemTime);
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fRetval = SystemTimeToTzSpecificLocalTime(
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NULL,
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&stSystemTime,
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&LocalTime
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);
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if(!fRetval){
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RRETURN(HRESULT_FROM_WIN32(GetLastError()));
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}
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stSystemTime.wHour = (WORD)(pNTSrcValue->NTValue.dwValue)/60;
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stSystemTime.wMinute = (WORD)(pNTSrcValue->NTValue.dwValue)%60;
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stSystemTime.wSecond =0;
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stSystemTime.wMilliseconds = 0;
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if(!lpVarDestObject){
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RRETURN(E_POINTER);
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}
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if(!pNTSrcValue){
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RRETURN(E_POINTER);
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}
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lpVarDestObject->vt = VT_DATE;
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hr = ConvertSystemTimeToDATE (stSystemTime,
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&date );
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BAIL_ON_FAILURE(hr);
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lpVarDestObject->date = date - (DWORD)date;
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error:
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RRETURN(hr);
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}
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HRESULT
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NTTypeToVarTypeCopyNW312DATE(
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PNTOBJECT pNTSrcValue,
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PVARIANT lpVarDestObject
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)
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{
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HRESULT hr = S_OK;
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SYSTEMTIME stSystemTime;
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SYSTEMTIME LocalTime;
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DATE date ;
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BOOL fRetval;
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if(!lpVarDestObject){
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RRETURN(E_POINTER);
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}
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if(!pNTSrcValue){
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RRETURN(E_POINTER);
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}
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lpVarDestObject->vt = VT_DATE;
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hr = ConvertNW312DateToVariant(
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pNTSrcValue->NTValue.Nw312Date,
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&lpVarDestObject->date
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);
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BAIL_ON_FAILURE(hr);
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error:
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RRETURN(hr);
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}
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HRESULT
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NTTypeToVarTypeCopyOctetString(
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PNTOBJECT pNTSrcValue,
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PVARIANT lpVarDestObject
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)
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{
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HRESULT hr = S_OK;
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if(!lpVarDestObject){
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RRETURN(E_POINTER);
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}
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hr = BinaryToVariant(
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(pNTSrcValue->NTValue).octetstring.dwSize,
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(pNTSrcValue->NTValue).octetstring.pByte,
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lpVarDestObject
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);
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RRETURN(hr);
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}
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HRESULT
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NTTypeToVarTypeCopyLPTSTR(
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PNTOBJECT pNTSrcValue,
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PVARIANT lpVarDestObject
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)
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{
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HRESULT hr = S_OK;
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if(!lpVarDestObject){
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RRETURN(E_POINTER);
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}
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lpVarDestObject->vt = VT_BSTR;
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if(!(pNTSrcValue->NTValue).pszValue){
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lpVarDestObject->bstrVal = NULL;
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hr = S_OK;
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goto error;
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}
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if(!pNTSrcValue){
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lpVarDestObject->bstrVal = NULL;
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} else {
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hr = ADsAllocString((pNTSrcValue->NTValue).pszValue,
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&(lpVarDestObject->bstrVal));
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}
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error:
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RRETURN(hr);
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}
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HRESULT
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NTTypeToVarTypeCopyDelimitedString(
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PNTOBJECT pNTSrcValue,
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PVARIANT lpVarDestObject
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)
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{
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HRESULT hr = S_OK;
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if(!lpVarDestObject){
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RRETURN(E_POINTER);
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}
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if(!pNTSrcValue){
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RRETURN(E_POINTER);
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} else {
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hr = DelimitedStringToVariant((pNTSrcValue->NTValue).pszValue,
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lpVarDestObject,
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TEXT(',') );
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}
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RRETURN(hr);
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}
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HRESULT
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NTTypeToVarTypeCopyNulledString(
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PNTOBJECT pNTSrcValue,
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PVARIANT lpVarDestObject
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)
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{
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HRESULT hr = S_OK;
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if(!pNTSrcValue){
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RRETURN(E_POINTER);
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}
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if(!lpVarDestObject){
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RRETURN(E_POINTER);
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}
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if(!(pNTSrcValue->NTValue).pszValue){
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RRETURN(E_POINTER);
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}
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hr = NulledStringToVariant((pNTSrcValue->NTValue).pszValue,
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lpVarDestObject );
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RRETURN(hr);
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}
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HRESULT
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NtTypeToVarTypeCopy(
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PNTOBJECT lpNtSrcObject,
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PVARIANT lpVarDestObject
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)
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{
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HRESULT hr = S_OK;
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switch (lpNtSrcObject->NTType) {
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case NT_SYNTAX_ID_BOOL:
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hr = NTTypeToVarTypeCopyBOOL(
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lpNtSrcObject,
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lpVarDestObject
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);
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break;
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case NT_SYNTAX_ID_SYSTEMTIME:
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hr = NTTypeToVarTypeCopySYSTEMTIME(
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lpNtSrcObject,
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lpVarDestObject
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);
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break;
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case NT_SYNTAX_ID_DWORD:
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hr = NTTypeToVarTypeCopyDWORD(
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lpNtSrcObject,
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lpVarDestObject
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);
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break;
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case NT_SYNTAX_ID_DATE:
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hr = NTTypeToVarTypeCopyDATE(
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lpNtSrcObject,
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lpVarDestObject
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);
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break;
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case NT_SYNTAX_ID_NW312DATE:
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hr = NTTypeToVarTypeCopyNW312DATE(
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lpNtSrcObject,
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lpVarDestObject
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);
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break;
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case NT_SYNTAX_ID_LPTSTR:
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hr = NTTypeToVarTypeCopyLPTSTR(
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lpNtSrcObject,
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lpVarDestObject
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);
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break;
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case NT_SYNTAX_ID_DelimitedString:
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hr = NTTypeToVarTypeCopyDelimitedString(
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lpNtSrcObject,
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lpVarDestObject
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);
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break;
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case NT_SYNTAX_ID_NulledString :
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hr = NTTypeToVarTypeCopyNulledString(
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lpNtSrcObject,
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lpVarDestObject
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);
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break;
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case NT_SYNTAX_ID_OCTETSTRING :
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hr = NTTypeToVarTypeCopyOctetString(
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lpNtSrcObject,
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lpVarDestObject
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);
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break;
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default:
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hr = E_FAIL;
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break;
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}
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RRETURN(hr);
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}
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HRESULT
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NtTypeToVarTypeCopyConstruct(
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LPNTOBJECT pNtSrcObjects,
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DWORD dwNumObjects,
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PVARIANT pVarDestObjects
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)
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{
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long i = 0;
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HRESULT hr = S_OK;
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VariantInit(pVarDestObjects);
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//
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// The following are for handling are multi-value properties
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//
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SAFEARRAY *aList = NULL;
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SAFEARRAYBOUND aBound;
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aBound.lLbound = 0;
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aBound.cElements = dwNumObjects;
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aList = SafeArrayCreate( VT_VARIANT, 1, &aBound );
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if ( aList == NULL )
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{
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hr = E_OUTOFMEMORY;
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BAIL_ON_FAILURE(hr);
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}
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for ( i = 0; i < (long) dwNumObjects; i++ )
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{
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VARIANT v;
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VariantInit(&v);
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hr = NtTypeToVarTypeCopy( pNtSrcObjects + i,
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&v );
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BAIL_ON_FAILURE(hr);
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hr = SafeArrayPutElement( aList, &i, &v );
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VariantClear(&v);
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BAIL_ON_FAILURE(hr);
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}
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V_VT(pVarDestObjects) = VT_ARRAY | VT_VARIANT;
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V_ARRAY(pVarDestObjects) = aList;
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RRETURN(S_OK);
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error:
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if ( aList )
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SafeArrayDestroy( aList );
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RRETURN(hr);
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}
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