HRESULT
R_convertRObjectToDCOM(SEXP obj, VARIANT *var)
{
HRESULT status;
int type = R_typeof(obj);
if(!var)
return(S_FALSE);
#ifdef RDCOM_VERBOSE
errorLog("Type of argument %d\n", type);
#endif
if(type == EXTPTRSXP && EXTPTR_TAG(obj) == Rf_install("R_VARIANT")) {
VARIANT *tmp;
tmp = (VARIANT *) R_ExternalPtrAddr(obj);
if(tmp) {
//XXX
VariantCopy(var, tmp);
return(S_OK);
}
}
if(ISCOMIDispatch(obj)) {
IDispatch *ptr;
ptr = (IDispatch *) derefRIDispatch(obj);
V_VT(var) = VT_DISPATCH;
V_DISPATCH(var) = ptr;
//XX
ptr->AddRef();
return(S_OK);
}
if(ISSInstanceOf(obj, "COMDate")) {
double val;
val = NUMERIC_DATA(GET_SLOT(obj, Rf_install(".Data")))[0];
V_VT(var) = VT_DATE;
V_DATE(var) = val;
return(S_OK);
} else if(ISSInstanceOf(obj, "COMCurrency")) {
double val;
val = NUMERIC_DATA(GET_SLOT(obj, Rf_install(".Data")))[0];
V_VT(var) = VT_R8;
V_R8(var) = val;
VariantChangeType(var, var, 0, VT_CY);
return(S_OK);
} else if(ISSInstanceOf(obj, "COMDecimal")) {
double val;
val = NUMERIC_DATA(GET_SLOT(obj, Rf_install(".Data")))[0];
V_VT(var) = VT_R8;
V_R8(var) = val;
VariantChangeType(var, var, 0, VT_DECIMAL);
return(S_OK);
}
/* We have a complex object and we are not going to try to convert it directly
but instead create an COM server object to represent it to the outside world. */
if((type == VECSXP && Rf_length(GET_NAMES(obj))) || Rf_length(GET_CLASS(obj)) > 0 || isMatrix(obj)) {
status = createGenericCOMObject(obj, var);
if(status == S_OK)
return(S_OK);
}
if(Rf_length(obj) == 0) {
V_VT(var) = VT_VOID;
return(S_OK);
}
if(type == VECSXP || Rf_length(obj) > 1) {
createRDCOMArray(obj, var);
return(S_OK);
}
switch(type) {
case STRSXP:
V_VT(var) = VT_BSTR;
V_BSTR(var) = AsBstr(getRString(obj, 0));
break;
case INTSXP:
V_VT(var) = VT_I4;
V_I4(var) = R_integerScalarValue(obj, 0);
break;
case REALSXP:
V_VT(var) = VT_R8;
V_R8(var) = R_realScalarValue(obj, 0);
break;
case LGLSXP:
V_VT(var) = VT_BOOL;
V_BOOL(var) = R_logicalScalarValue(obj, 0) ? VARIANT_TRUE : VARIANT_FALSE;
break;
case VECSXP:
break;
}
return(S_OK);
}
bool
variant_as_string( DEBUGHELPER *pH, const VARIANT &var, std::string *ret )
{
if (var.vt & VT_VECTOR) return false;
if (var.vt & VT_RESERVED) return false;
if (var.vt & VT_ARRAY)
return safearray_as_string( pH, reinterpret_cast<DWORDLONG>(var.parray), ret);
if (var.vt & VT_BYREF)
{
// Construct a fake variant with the byref-value in it.
VARTYPE vt = var.vt & ~VT_BYREF;
long size = vartype_len(vt);
VARIANT var2;
var2.vt = vt;
long source=reinterpret_cast<long>(var.byref);
void *dest;
if( vt == VT_VARIANT)
dest = &var2;
else
{
var2.vt=vt;
dest = &(var2.bVal);
}
if(!ReadMem(pH,source, size, dest)) return false;
std::string retval;
if( ! variant_as_string( pH, var2, &retval)) return false;
retval += "]";
*ret = "[" + retval;
return true;
}
std::ostringstream os;
switch (var.vt & VT_TYPEMASK )
{
case VT_I2: os << V_I2(&var); break;
case VT_I4: os << V_I4(&var); break;
//case VT_I8: os << V_I8(&var); break;
case VT_R4: os << V_R4(&var); break;
case VT_R8: os << V_R8(&var); break;
case VT_UNKNOWN:
case VT_DISPATCH: os << "0x" << std::hex << (long )V_DISPATCH(&var); break;
case VT_BOOL: os << (V_BOOL(&var)==VARIANT_FALSE?"False":"True"); break;
case VT_I1: os << "'" << V_I1(&var) << "'" ; break;
case VT_UI1: os << "'" << V_UI1(&var) << "'" ; break;
case VT_UI2: os << V_UI2(&var); break;
case VT_UI4: os << V_UI4(&var); break;
case VT_INT: os << V_INT(&var); break;
case VT_UINT: os << V_UINT(&var); break;
case VT_ERROR: os << "error"; break;
case VT_CY: os << (((double)(V_CY(&var).int64))/10000.); break;
case VT_DATE: return date_as_string(V_DATE(&var), ret); break;
case VT_BSTR:
{
long pBSTR = reinterpret_cast<long>( V_BSTR(&var) );
// if (!ReadMem(pH, reinterpret_cast<DWORDLONG>( V_BSTR(&var) ), &pBSTR)) return false;
std::string ret;
if (!bstr_as_string( pH, pBSTR , &ret )) return false;
os << ret;
}break;
case VT_EMPTY: os << '@'; break;
case VT_NULL: os << "null"; break;
break;
default:
return false;
}
*ret = os.str();
return true;
}
void EventProxy::convertJavaVariant(VARIANT *java, VARIANT *com) {
switch (com->vt)
{
case VT_DISPATCH:
{
switch (java->vt)
{
case VT_DISPATCH:
{
V_DISPATCH(com) = V_DISPATCH(java);
break;
}
case VT_DISPATCH | VT_BYREF:
{
V_DISPATCH(com) = *V_DISPATCHREF(java);
break;
}
}
break;
}
case VT_DISPATCH | VT_BYREF:
{
switch (java->vt)
{
case VT_DISPATCH:
{
*V_DISPATCHREF(com) = V_DISPATCH(java);
break;
}
case VT_DISPATCH | VT_BYREF:
{
*V_DISPATCHREF(com) = *V_DISPATCHREF(java);
break;
}
}
break;
}
case VT_BOOL:
{
switch (java->vt)
{
case VT_BOOL:
{
V_BOOL(com) = V_BOOL(java);
break;
}
case VT_BOOL | VT_BYREF:
{
V_BOOL(com) = *V_BOOLREF(java);
break;
}
}
break;
}
case VT_BOOL | VT_BYREF:
{
switch (java->vt)
{
case VT_BOOL:
{
*V_BOOLREF(com) = V_BOOL(java);
break;
}
case VT_BOOL | VT_BYREF:
{
*V_BOOLREF(com) = *V_BOOLREF(java);
break;
}
}
break;
}
case VT_UI1:
{
switch (java->vt)
{
case VT_UI1:
{
V_UI1(com) = V_UI1(java);
break;
}
case VT_UI1 | VT_BYREF:
{
V_UI1(com) = *V_UI1REF(java);
break;
}
}
break;
}
case VT_UI1 | VT_BYREF:
{
switch (java->vt)
{
case VT_UI1:
{
*V_UI1REF(com) = V_UI1(java);
break;
}
case VT_UI1 | VT_BYREF:
{
*V_UI1REF(com) = *V_UI1REF(java);
break;
}
}
break;
}
case VT_I2:
{
switch (java->vt)
{
case VT_I2:
{
V_I2(com) = V_I2(java);
break;
}
case VT_I2 | VT_BYREF:
{
V_I2(com) = *V_I2REF(java);
break;
}
}
break;
}
case VT_I2 | VT_BYREF:
{
switch (java->vt)
{
case VT_I2:
{
*V_I2REF(com) = V_I2(java);
break;
}
case VT_I2 | VT_BYREF:
{
*V_I2REF(com) = *V_I2REF(java);
break;
}
}
break;
}
case VT_I4:
{
switch (java->vt)
{
case VT_I4:
{
V_I4(com) = V_I4(java);
break;
}
case VT_I4 | VT_BYREF:
{
V_I4(com) = *V_I4REF(java);
break;
}
}
break;
}
case VT_I4 | VT_BYREF:
{
switch (java->vt)
{
case VT_I4:
{
*V_I4REF(com) = V_I4(java);
break;
}
case VT_I4 | VT_BYREF:
{
*V_I4REF(com) = *V_I4REF(java);
break;
}
}
break;
}
case VT_R4:
{
switch (java->vt)
{
case VT_R4:
{
V_R4(com) = V_R4(java);
break;
}
case VT_R4 | VT_BYREF:
{
V_R4(com) = *V_R4REF(java);
break;
}
}
break;
}
case VT_R4 | VT_BYREF:
{
switch (java->vt)
{
case VT_R4:
{
*V_R4REF(com) = V_R4(java);
break;
}
case VT_R4 | VT_BYREF:
{
*V_R4REF(com) = *V_R4REF(java);
break;
}
}
break;
}
case VT_R8:
{
switch (java->vt)
{
case VT_R8:
{
V_R8(com) = V_R8(java);
break;
}
case VT_R8 | VT_BYREF:
{
V_R8(com) = *V_R8REF(java);
break;
}
}
break;
}
case VT_R8 | VT_BYREF:
{
switch (java->vt)
{
case VT_R8:
{
*V_R8REF(com) = V_R8(java);
break;
}
case VT_R8 | VT_BYREF:
{
*V_R8REF(com) = *V_R8REF(java);
break;
}
}
break;
}
case VT_I1:
{
switch (java->vt)
{
case VT_I1:
{
V_I1(com) = V_I1(java);
break;
}
case VT_I1 | VT_BYREF:
{
V_I1(com) = *V_I1REF(java);
break;
}
}
break;
}
case VT_I1 | VT_BYREF:
{
switch (java->vt)
{
case VT_I1:
{
*V_I1REF(com) = V_I1(java);
break;
}
case VT_I1 | VT_BYREF:
{
*V_I1REF(com) = *V_I1REF(java);
break;
}
}
break;
}
case VT_UI2:
{
switch (java->vt)
{
case VT_UI2:
{
V_UI2(com) = V_UI2(java);
break;
}
case VT_UI2 | VT_BYREF:
{
V_UI2(com) = *V_UI2REF(java);
break;
}
}
break;
}
case VT_UI2 | VT_BYREF:
{
switch (java->vt)
{
case VT_UI2:
{
*V_UI2REF(com) = V_UI2(java);
break;
}
case VT_UI2 | VT_BYREF:
{
*V_UI2REF(com) = *V_UI2REF(java);
break;
}
}
break;
}
case VT_UI4:
{
switch (java->vt)
{
case VT_UI4:
{
V_UI4(com) = V_UI4(java);
break;
}
case VT_UI4 | VT_BYREF:
{
V_UI4(com) = *V_UI4REF(java);
break;
}
}
break;
}
case VT_UI4 | VT_BYREF:
{
switch (java->vt)
{
case VT_UI4:
{
*V_UI4REF(com) = V_UI4(java);
break;
}
case VT_UI4 | VT_BYREF:
{
*V_UI4REF(com) = *V_UI4REF(java);
break;
}
}
break;
}
case VT_INT:
{
switch (java->vt)
{
case VT_INT:
{
V_INT(com) = V_INT(java);
break;
}
case VT_INT | VT_BYREF:
{
V_INT(com) = *V_INTREF(java);
break;
}
}
break;
}
case VT_INT | VT_BYREF:
{
switch (java->vt)
{
case VT_INT:
{
*V_INTREF(com) = V_INT(java);
break;
}
case VT_INT | VT_BYREF:
{
*V_INTREF(com) = *V_INTREF(java);
break;
}
}
break;
}
case VT_UINT:
{
switch (java->vt)
{
case VT_UINT:
{
V_UINT(com) = V_UINT(java);
break;
}
case VT_UINT | VT_BYREF:
{
V_UINT(com) = *V_UINTREF(java);
break;
}
}
break;
}
case VT_UINT | VT_BYREF:
{
switch (java->vt)
{
case VT_UINT:
{
*V_UINTREF(com) = V_UINT(java);
break;
}
case VT_UINT | VT_BYREF:
{
*V_UINTREF(com) = *V_UINTREF(java);
break;
}
}
break;
}
case VT_CY:
{
switch (java->vt)
{
case VT_CY:
{
V_CY(com) = V_CY(java);
break;
}
case VT_CY | VT_BYREF:
{
V_CY(com) = *V_CYREF(java);
break;
}
}
break;
}
case VT_CY | VT_BYREF:
{
switch (java->vt)
{
case VT_CY:
{
*V_CYREF(com) = V_CY(java);
break;
}
case VT_CY | VT_BYREF:
{
*V_CYREF(com) = *V_CYREF(java);
break;
}
}
break;
}
case VT_DATE:
{
switch (java->vt)
{
case VT_DATE:
{
V_DATE(com) = V_DATE(java);
break;
}
case VT_DATE | VT_BYREF:
{
V_DATE(com) = *V_DATEREF(java);
break;
}
}
break;
}
case VT_DATE | VT_BYREF:
{
switch (java->vt)
{
case VT_DATE:
{
*V_DATEREF(com) = V_DATE(java);
break;
}
case VT_DATE | VT_BYREF:
{
*V_DATEREF(com) = *V_DATEREF(java);
break;
}
}
break;
}
case VT_BSTR:
{
switch (java->vt)
{
case VT_BSTR:
{
V_BSTR(com) = V_BSTR(java);
break;
}
case VT_BSTR | VT_BYREF:
{
V_BSTR(com) = *V_BSTRREF(java);
break;
}
}
break;
}
case VT_BSTR | VT_BYREF:
{
switch (java->vt)
{
case VT_BSTR:
{
*V_BSTRREF(com) = V_BSTR(java);
break;
}
case VT_BSTR | VT_BYREF:
{
*V_BSTRREF(com) = *V_BSTRREF(java);
break;
}
}
break;
}
case VT_DECIMAL:
{
switch (java->vt)
{
case VT_DECIMAL:
{
V_DECIMAL(com) = V_DECIMAL(java);
break;
}
case VT_DECIMAL | VT_BYREF:
{
V_DECIMAL(com) = *V_DECIMALREF(java);
break;
}
}
break;
}
case VT_DECIMAL | VT_BYREF:
{
switch (java->vt)
{
case VT_DECIMAL:
{
*V_DECIMALREF(com) = V_DECIMAL(java);
break;
}
case VT_DECIMAL | VT_BYREF:
{
*V_DECIMALREF(com) = *V_DECIMALREF(java);
break;
}
}
break;
}
}
}
static void
ole_set_byref(VARIANT *realvar, VARIANT *var, VARTYPE vt)
{
V_VT(var) = vt;
if (vt == (VT_VARIANT|VT_BYREF)) {
V_VARIANTREF(var) = realvar;
} else {
if (V_VT(realvar) != (vt & ~VT_BYREF)) {
rb_raise(eWIN32OLERuntimeError, "variant type mismatch");
}
switch(vt & ~VT_BYREF) {
case VT_I1:
V_I1REF(var) = &V_I1(realvar);
break;
case VT_UI1:
V_UI1REF(var) = &V_UI1(realvar);
break;
case VT_I2:
V_I2REF(var) = &V_I2(realvar);
break;
case VT_UI2:
V_UI2REF(var) = &V_UI2(realvar);
break;
case VT_I4:
V_I4REF(var) = &V_I4(realvar);
break;
case VT_UI4:
V_UI4REF(var) = &V_UI4(realvar);
break;
case VT_R4:
V_R4REF(var) = &V_R4(realvar);
break;
case VT_R8:
V_R8REF(var) = &V_R8(realvar);
break;
#if (_MSC_VER >= 1300) || defined(__CYGWIN__) || defined(__MINGW32__)
#ifdef V_I8REF
case VT_I8:
V_I8REF(var) = &V_I8(realvar);
break;
#endif
#ifdef V_UI8REF
case VT_UI8:
V_UI8REF(var) = &V_UI8(realvar);
break;
#endif
#endif
case VT_INT:
V_INTREF(var) = &V_INT(realvar);
break;
case VT_UINT:
V_UINTREF(var) = &V_UINT(realvar);
break;
case VT_CY:
V_CYREF(var) = &V_CY(realvar);
break;
case VT_DATE:
V_DATEREF(var) = &V_DATE(realvar);
break;
case VT_BSTR:
V_BSTRREF(var) = &V_BSTR(realvar);
break;
case VT_DISPATCH:
V_DISPATCHREF(var) = &V_DISPATCH(realvar);
break;
case VT_ERROR:
V_ERRORREF(var) = &V_ERROR(realvar);
break;
case VT_BOOL:
V_BOOLREF(var) = &V_BOOL(realvar);
break;
case VT_UNKNOWN:
V_UNKNOWNREF(var) = &V_UNKNOWN(realvar);
break;
case VT_ARRAY:
V_ARRAYREF(var) = &V_ARRAY(realvar);
break;
default:
rb_raise(eWIN32OLERuntimeError, "unknown type specified(setting BYREF):%d", vt);
break;
}
}
}
static HRESULT ExtractArgument(VARIANT * pvArg, WCHAR chIdentifier, BOOL * pbFreeArg, va_list * marker)
{
HRESULT hr = NOERROR;
*pbFreeArg = FALSE;
if (chIdentifier == L'T') chIdentifier = (dh_g_bIsUnicodeMode ? L'S' : L's');
switch (chIdentifier)
{
case L'd':
V_VT(pvArg) = VT_I4;
V_I4(pvArg) = va_arg(*marker, LONG);
break;
case L'u':
V_VT(pvArg) = VT_UI4;
V_UI4(pvArg) = va_arg(*marker, ULONG);
break;
case L'e':
V_VT(pvArg) = VT_R8;
V_R8(pvArg) = va_arg(*marker, DOUBLE);
break;
case L'b':
V_VT(pvArg) = VT_BOOL;
V_BOOL(pvArg) = ( va_arg(*marker, BOOL) ? VARIANT_TRUE : VARIANT_FALSE );
break;
case L'v':
*pvArg = *va_arg(*marker, VARIANT *);
break;
case L'm':
V_VT(pvArg) = VT_ERROR;
V_ERROR(pvArg) = DISP_E_PARAMNOTFOUND;
break;
case L'B':
V_VT(pvArg) = VT_BSTR;
V_BSTR(pvArg) = va_arg(*marker, BSTR);
break;
case L'S':
{
LPOLESTR szTemp = va_arg(*marker, LPOLESTR);
V_VT(pvArg) = VT_BSTR;
V_BSTR(pvArg) = SysAllocString(szTemp);
if (V_BSTR(pvArg) == NULL && szTemp != NULL) hr = E_OUTOFMEMORY;
*pbFreeArg = TRUE;
break;
}
case L's':
V_VT(pvArg) = VT_BSTR;
hr = ConvertAnsiStrToBStr(va_arg(*marker, LPSTR), &V_BSTR(pvArg));
*pbFreeArg = TRUE;
break;
case L'o':
V_VT(pvArg) = VT_DISPATCH;
V_DISPATCH(pvArg) = va_arg(*marker, IDispatch *);
break;
case L'O':
V_VT(pvArg) = VT_UNKNOWN;
V_UNKNOWN(pvArg) = va_arg(*marker, IUnknown *);
break;
case L'D':
V_VT(pvArg) = VT_DATE;
V_DATE(pvArg) = va_arg(*marker, DATE);
break;
case L't':
V_VT(pvArg) = VT_DATE;
hr = ConvertTimeTToVariantTime(va_arg(*marker, time_t), &V_DATE(pvArg));
break;
case L'W':
V_VT(pvArg) = VT_DATE;
hr = ConvertSystemTimeToVariantTime(va_arg(*marker, SYSTEMTIME *), &V_DATE(pvArg));
break;
case L'f':
V_VT(pvArg) = VT_DATE;
hr = ConvertFileTimeToVariantTime(va_arg(*marker, FILETIME *), &V_DATE(pvArg));
break;
case L'p':
#ifndef _WIN64
V_VT(pvArg) = VT_I4;
V_I4(pvArg) = (LONG) va_arg(*marker, LPVOID);
#else
V_VT(pvArg) = VT_I8;
V_I8(pvArg) = (LONGLONG) va_arg(*marker, LPVOID);
#endif
break;
default:
hr = E_INVALIDARG;
DEBUG_NOTIFY_INVALID_IDENTIFIER(chIdentifier);
break;
}
return hr;
}
HRESULT dhGetValueV(LPCWSTR szIdentifier, void * pResult, IDispatch * pDisp, LPCOLESTR szMember, va_list * marker)
{
VARIANT vtResult;
VARTYPE returnType;
HRESULT hr;
DH_ENTER(L"GetValueV");
if (!pResult || !szIdentifier) return DH_EXIT(E_INVALIDARG, szMember);
if (*szIdentifier == L'%') szIdentifier++;
switch(*szIdentifier)
{
case L'd': returnType = VT_I4; break;
case L'u': returnType = VT_UI4; break;
case L'e': returnType = VT_R8; break;
case L'b': returnType = VT_BOOL; break;
case L'v': returnType = VT_EMPTY; break;
case L'B': returnType = VT_BSTR; break;
case L'S': returnType = VT_BSTR; break;
case L's': returnType = VT_BSTR; break;
case L'T': returnType = VT_BSTR; break;
case L'o': returnType = VT_DISPATCH; break;
case L'O': returnType = VT_UNKNOWN; break;
case L't': returnType = VT_DATE; break;
case L'W': returnType = VT_DATE; break;
case L'f': returnType = VT_DATE; break;
case L'D': returnType = VT_DATE; break;
#ifndef _WIN64
case L'p': returnType = VT_I4; break;
#else
case L'p': returnType = VT_I8; break;
#endif
default:
DEBUG_NOTIFY_INVALID_IDENTIFIER(*szIdentifier);
return DH_EXIT(E_INVALIDARG, szMember);
}
hr = dhInvokeV(DISPATCH_PROPERTYGET|DISPATCH_METHOD, returnType, &vtResult, pDisp, szMember, marker);
if (FAILED(hr)) return DH_EXIT(hr, szMember);
switch(*szIdentifier)
{
case L'd':
*((LONG *) pResult) = V_I4(&vtResult);
break;
case L'u':
*((ULONG *) pResult) = V_UI4(&vtResult);
break;
case L'e':
*((DOUBLE *) pResult) = V_R8(&vtResult);
break;
case L'b':
*((BOOL *) pResult) = V_BOOL(&vtResult);
break;
case L'v':
*((VARIANT *) pResult) = vtResult;
break;
case L'B':
*((BSTR *) pResult) = V_BSTR(&vtResult);
break;
case L'S':
*((LPWSTR *) pResult) = V_BSTR(&vtResult);
break;
case L's':
hr = ConvertBStrToAnsiStr(V_BSTR(&vtResult), (LPSTR *) pResult);
SysFreeString(V_BSTR(&vtResult));
break;
case L'T':
if (dh_g_bIsUnicodeMode)
{
*((LPWSTR *) pResult) = V_BSTR(&vtResult);
}
else
{
hr = ConvertBStrToAnsiStr(V_BSTR(&vtResult), (LPSTR *) pResult);
SysFreeString(V_BSTR(&vtResult));
}
break;
case L'o':
*((IDispatch **) pResult) = V_DISPATCH(&vtResult);
if (V_DISPATCH(&vtResult) == NULL) hr = E_NOINTERFACE;
break;
case L'O':
*((IUnknown **) pResult) = V_UNKNOWN(&vtResult);
if (V_UNKNOWN(&vtResult) == NULL) hr = E_NOINTERFACE;
break;
case L't':
hr = ConvertVariantTimeToTimeT(V_DATE(&vtResult), (time_t *) pResult);
break;
case L'W':
hr = ConvertVariantTimeToSystemTime(V_DATE(&vtResult), (SYSTEMTIME *) pResult);
break;
case L'f':
hr = ConvertVariantTimeToFileTime(V_DATE(&vtResult), (FILETIME *) pResult);
break;
case L'D':
*((DATE *) pResult) = V_DATE(&vtResult);
break;
case L'p':
#ifndef _WIN64
*((LPVOID *) pResult) = (LPVOID) V_I4(&vtResult);
#else
*((LPVOID *) pResult) = (LPVOID) V_I8(&vtResult);
#endif
break;
}
return DH_EXIT(hr, szMember);
}
////////////////////////////////////////////////////////
// CompareVariant
//
////////////////////////////////////////////////////////
LONG CompareVariant
(
VARIANT *pVar1, //@parm [in]: Pointer to the variant in the consumer's buffer.
VARIANT *pVar2, //@parm [in]: Pointer to the variant at the backend.
BOOL fCaseSensitive
)
{
//Handle NULL cases...
if(pVar1==NULL || pVar2==NULL)
{
if(pVar1 == pVar2)
return TRUE;
return FALSE;
}
// The variant has to be the same type
if (V_VT(pVar1) != V_VT(pVar2))
return FALSE;
// Return FALSE if vt is ORed with VT_RESERVED
if (V_VT(pVar1) & VT_RESERVED)
return FALSE;
// Return TRUE is the vt is VT_EMPTY or VT_NULL
if (V_VT(pVar1)==VT_EMPTY || V_VT(pVar1)==VT_NULL)
return TRUE;
switch(V_VT(pVar1))
{
case VT_UI1:
return V_UI1(pVar1) == V_UI1(pVar2);
case VT_I2:
return V_I2(pVar1) == V_I2(pVar2);
case VT_I4:
return V_I4(pVar1) == V_I4(pVar2);
case VT_R4:
return V_R4(pVar1) == V_R4(pVar2);
case VT_R8:
return V_R8(pVar1) == V_R8(pVar2);
case VT_BOOL:
return V_BOOL(pVar1) == V_BOOL(pVar2);
case VT_ERROR:
return V_ERROR(pVar1) == V_ERROR(pVar2);
case VT_CY:
return memcmp(&V_CY(pVar1), &V_CY(pVar2),8)==0;
case VT_DATE:
return V_DATE(pVar1) == V_DATE(pVar2);
case VT_BSTR:
if(fCaseSensitive)
return wcscmp(V_BSTR(pVar1), V_BSTR(pVar2));
else
return _wcsicmp(V_BSTR(pVar1), V_BSTR(pVar2));
// As we are not testing OLE object, return FALSE for VT_UNKNOWN
case VT_UNKNOWN:
return FALSE;
// As we are not testing OLE object, return FALSE for VT_DISPATCH
case VT_DISPATCH:
return FALSE;
case VT_I2 | VT_BYREF:
return *V_I2REF(pVar1) == *V_I2REF(pVar2);
case VT_I4 | VT_BYREF:
return *V_I4REF(pVar1) == *V_I4REF(pVar2);
case VT_R4 | VT_BYREF:
return *V_R4REF(pVar1) == *V_R4REF(pVar2);
case VT_R8 | VT_BYREF:
return *V_R8REF(pVar1) == *V_R8REF(pVar2);
case VT_BOOL | VT_BYREF:
return *V_BOOLREF(pVar1) == *V_BOOLREF(pVar2);
case VT_ERROR | VT_BYREF:
return *V_ERRORREF(pVar1) == *V_ERRORREF(pVar2);
case VT_CY | VT_BYREF:
return memcmp(V_CYREF(pVar1), V_CYREF(pVar2),8)==0;
case VT_DATE | VT_BYREF:
return *V_DATEREF(pVar1) == *V_DATEREF(pVar2);
case VT_BSTR | VT_BYREF:
if(fCaseSensitive)
return wcscmp(*V_BSTRREF(pVar1), *V_BSTRREF(pVar2));
else
return _wcsicmp(*V_BSTRREF(pVar1), *V_BSTRREF(pVar2));
// As we are not testing OLE object, return FALSE for VT_UNKNOWN
case VT_UNKNOWN | VT_BYREF:
return FALSE;
// As we are not testing OLE object, return FALSE for VT_DISPATCH
case VT_DISPATCH | VT_BYREF:
return FALSE;
}
return FALSE;
}
HRESULT CContextPlugin::WriteContextInformation( HANDLE hFile, IWMSContext *pContext )
{
HRESULT hr = S_OK;
ContextNameHint *pContextHintValues = NULL;
DWORD nValue = 0;
WMS_CONTEXT_TYPE wmsContextType = WMS_UNKNOWN_CONTEXT_TYPE;
WCHAR wstrBuffer[MAX_PATH];
DWORD cbWritten = 0;
DWORD dwRet = 0;
if( NULL == pContext )
{
// There is no Context, nothing to write
return( hr );
}
hr = pContext->GetContextType( &wmsContextType );
if( FAILED( hr ) )
{
return( hr );
}
ZeroMemory( wstrBuffer, MAX_PATH * sizeof( WCHAR ) );
switch( wmsContextType )
{
case WMS_USER_CONTEXT_TYPE:
// Create a header for this context type
wcsncpy_s( wstrBuffer,MAX_PATH, CONTEXT_SAMPLE_USER_CONTEXT_HEADER, MAX_PATH );
pContextHintValues = const_cast<ContextNameHint *>(CContextPlugin::s_UserContextHintValues);
break;
case WMS_PRESENTATION_CONTEXT_TYPE:
// Create a header for this context type
wcsncpy_s( wstrBuffer, MAX_PATH,CONTEXT_SAMPLE_PRESENTATION_CONTEXT_HEADER, MAX_PATH );
pContextHintValues = const_cast<ContextNameHint *>(CContextPlugin::s_PresentationContextHintValues);
break;
case WMS_COMMAND_REQUEST_CONTEXT_TYPE:
// Create a header for this context type
wcsncpy_s( wstrBuffer,MAX_PATH, CONTEXT_SAMPLE_COMMAND_REQUEST_CONTEXT_HEADER, MAX_PATH );
pContextHintValues = const_cast<ContextNameHint *>(CContextPlugin::s_CommandContextHintValues);
break;
case WMS_COMMAND_RESPONSE_CONTEXT_TYPE:
// Create a header for this context type
wcsncpy_s( wstrBuffer,MAX_PATH, CONTEXT_SAMPLE_COMMAND_RESPONSE_CONTEXT_HEADER, MAX_PATH );
pContextHintValues = const_cast<ContextNameHint *>(CContextPlugin::s_CommandContextHintValues);
break;
}
if( !::WriteFile( hFile, (LPVOID) wstrBuffer, DWORD(wcslen( wstrBuffer ) * sizeof( WCHAR )), &cbWritten, NULL ) )
{
dwRet = GetLastError();
hr = HRESULT_FROM_WIN32( dwRet );
// Failed to write the header should we still continue
// No!
return( hr );
}
if( NULL == pContextHintValues )
{
return( E_UNEXPECTED );
}
// Now we loop until -1 and Write the data
while( ( NULL != pContextHintValues[nValue].wstrContextName ) && ( -1 != pContextHintValues[nValue].lContextHint ) )
{
VARIANT varValue;
VariantInit( &varValue );
ZeroMemory( wstrBuffer, MAX_PATH * sizeof( WCHAR ) );
hr = pContext->GetValue( pContextHintValues[nValue].wstrContextName, pContextHintValues[nValue].lContextHint, &varValue, 0 );
if( SUCCEEDED( hr ) )
{
// Write string with data information
switch( V_VT( &varValue ) )
{
case VT_BSTR:
_snwprintf_s( wstrBuffer,MAX_PATH, MAX_PATH, CONTEXT_SAMPLE_BSTR_TYPE_STRING, pContextHintValues[nValue].wstrContextName, pContextHintValues[nValue].lContextHint, V_BSTR( &varValue ) );
break;
case VT_I4:
_snwprintf_s( wstrBuffer,MAX_PATH, MAX_PATH, CONTEXT_SAMPLE_I4_TYPE_STRING, pContextHintValues[nValue].wstrContextName, pContextHintValues[nValue].lContextHint, V_I4( &varValue ), V_I4( &varValue ) );
break;
case VT_UI8:
_snwprintf_s( wstrBuffer,MAX_PATH, MAX_PATH, CONTEXT_SAMPLE_UI8_TYPE_STRING, pContextHintValues[nValue].wstrContextName, pContextHintValues[nValue].lContextHint, V_UI8( &varValue ) );
break;
case VT_CY:
_snwprintf_s( wstrBuffer,MAX_PATH, MAX_PATH, CONTEXT_SAMPLE_CY_TYPE_STRING, pContextHintValues[nValue].wstrContextName, pContextHintValues[nValue].lContextHint, V_CY( &varValue ) );
break;
case VT_DATE:
_snwprintf_s( wstrBuffer,MAX_PATH, MAX_PATH, CONTEXT_SAMPLE_DATE_TYPE_STRING, pContextHintValues[nValue].wstrContextName, pContextHintValues[nValue].lContextHint, V_DATE( &varValue ) );
break;
case VT_DECIMAL:
_snwprintf_s( wstrBuffer,MAX_PATH, MAX_PATH, CONTEXT_SAMPLE_DECIMAL_TYPE_STRING, pContextHintValues[nValue].wstrContextName, pContextHintValues[nValue].lContextHint, V_DECIMAL( &varValue ) );
break;
case VT_UNKNOWN:
_snwprintf_s( wstrBuffer,MAX_PATH, MAX_PATH, CONTEXT_SAMPLE_UNKNOWN_TYPE_STRING, pContextHintValues[nValue].wstrContextName, pContextHintValues[nValue].lContextHint, V_UNKNOWN( &varValue ) );
break;
case VT_DISPATCH:
_snwprintf_s( wstrBuffer,MAX_PATH, MAX_PATH, CONTEXT_SAMPLE_DISPATCH_TYPE_STRING, pContextHintValues[nValue].wstrContextName, pContextHintValues[nValue].lContextHint, V_DISPATCH( &varValue ) );
break;
default:
_snwprintf_s( wstrBuffer,MAX_PATH, MAX_PATH, CONTEXT_SAMPLE_ARRAY_TYPE_STRING, pContextHintValues[nValue].wstrContextName, pContextHintValues[nValue].lContextHint, V_ARRAY( &varValue ) );
break;
}
if( !::WriteFile( hFile, (LPVOID) wstrBuffer, DWORD(wcslen( wstrBuffer ) * sizeof( WCHAR )), &cbWritten, NULL ) )
{
dwRet = GetLastError();
hr = HRESULT_FROM_WIN32( dwRet );
}
}
else
{
// Value probably didn't exist for this event, don't worry about it
// good place to put breakpoint
hr = S_OK;
}
// It doesn't hurt to do a VariantClear on an Empty Variant, this way we won't leak anything.
VariantClear( &varValue );
nValue ++;
}
return( hr );
}
HRESULT CTCPropBagOnRegKey::_WriteSafeArray(CRegKey& key,
const _bstr_t& strPropName, VARIANT* pVar)
{
ASSERT(V_ISARRAY(pVar));
ASSERT(lstrlen(strPropName));
// Get the SAFEARRAY pointer from the variant
SAFEARRAY* psa = V_ARRAY(pVar);
if (IsBadReadPtr(psa))
return E_POINTER;
// Only support 1-dimensional arrays (currently)
if (1 != SafeArrayGetDim(psa))
return E_INVALIDARG;
// Get the element size of the safe array
UINT cbElement = SafeArrayGetElemsize(psa);
// Get the safe array type from the variant
VARTYPE vt = V_VT(pVar) & ~VT_ARRAY;
// Check for supported types and validate the element size
switch (vt)
{
case VT_BOOL:
if (sizeof(V_BOOL(pVar)) != cbElement)
return E_UNEXPECTED;
break;
case VT_I1:
if (sizeof(V_I1(pVar)) != cbElement)
return E_UNEXPECTED;
break;
case VT_I2:
if (sizeof(V_I2(pVar)) != cbElement)
return E_UNEXPECTED;
break;
case VT_I4:
if (sizeof(V_I4(pVar)) != cbElement)
return E_UNEXPECTED;
break;
case VT_UI1:
if (sizeof(V_UI1(pVar)) != cbElement)
return E_UNEXPECTED;
break;
case VT_UI2:
if (sizeof(V_UI2(pVar)) != cbElement)
return E_UNEXPECTED;
break;
case VT_UI4:
if (sizeof(V_UI4(pVar)) != cbElement)
return E_UNEXPECTED;
break;
case VT_ERROR:
if (sizeof(V_ERROR(pVar)) != cbElement)
return E_UNEXPECTED;
break;
case VT_R4:
if (sizeof(V_R4(pVar)) != cbElement)
return E_UNEXPECTED;
break;
case VT_R8:
if (sizeof(V_R8(pVar)) != cbElement)
return E_UNEXPECTED;
break;
case VT_DECIMAL:
if (sizeof(V_DECIMAL(pVar)) != cbElement)
return E_UNEXPECTED;
break;
case VT_CY:
if (sizeof(V_CY(pVar)) != cbElement)
return E_UNEXPECTED;
break;
case VT_DATE:
if (sizeof(V_DATE(pVar)) != cbElement)
return E_UNEXPECTED;
break;
case VT_BSTR:
if (sizeof(V_BSTR(pVar)) != cbElement)
return E_UNEXPECTED;
break;
case VT_UNKNOWN:
if (sizeof(V_UNKNOWN(pVar)) != cbElement)
return E_UNEXPECTED;
break;
case VT_DISPATCH:
if (sizeof(V_DISPATCH(pVar)) != cbElement)
return E_UNEXPECTED;
break;
case VT_VARIANT:
if (sizeof(V_VARIANTREF(pVar)) != cbElement)
return E_UNEXPECTED;
break;
default:
return E_UNEXPECTED;
}
// Get the upper and lower bounds of the safe array
HRESULT hr;
LONG lUBound = 0, lLBound = 0;
if (FAILED(hr = SafeArrayGetUBound(psa, 1, &lUBound)))
return hr;
if (FAILED(hr = SafeArrayGetLBound(psa, 1, &lLBound)))
return hr;
UINT nElements = lUBound - lLBound + 1;
// Create a subkey with the specified name
key.DeleteValue(strPropName);
key.RecurseDeleteKey(strPropName);
CRegKey subkey;
if (!subkey.Open(key, strPropName))
return HRESULT_FROM_WIN32(GetLastError());
// Get access to the safe array data
BYTE* pElement = NULL;
if (FAILED(hr = SafeArrayAccessData(psa, (void**)&pElement)))
return hr;
// Write the variant type value
subkey.WriteDWord(m_szVariantType, DWORD(V_VT(pVar)));
// Write the element count value
subkey.WriteDWord(m_szElementCount, DWORD(nElements));
// Write the lower bound value, if not 0
if (lLBound)
subkey.WriteDWord(m_szLowerBound, DWORD(lLBound));
// Special handling for arrays of variants
_bstr_t strText;
if (VT_VARIANT == vt)
{
// Write each variant array element to the registry
for (UINT i = 0; i < nElements; i++, pElement += cbElement)
{
// Format the value name
strText.Format(m_szElementFmt, i);
// Write the variant array element to the registry subkey
if (FAILED(hr = WriteVariant(subkey, strText, (VARIANT*)pElement)))
{
TRACE1("CTCPropBagOnRegKey::_WriteSafeArray(\"%s\", pVar): ",
strPropName);
TRACE2("WriteVariant(subkey, \"%s\", &var) returned 0x%08X\n",
strText, hr);
}
}
}
else
{
// Write each array element to the registry
VARIANT var;
V_VT(&var) = vt;
for (UINT i = 0; i < nElements; i++, pElement += cbElement)
{
// Copy the array element to the data portion of the VARIANT
memcpy(&V_NONE(&var), pElement, cbElement);
// Format the value name
strText.Format(m_szElementFmt, i);
// Write the variant to the registry subkey
if (FAILED(hr = WriteVariant(subkey, strText, &var)))
{
TRACE1("CTCPropBagOnRegKey::_WriteSafeArray(\"%s\", pVar): ",
strPropName);
TRACE2("WriteVariant(subkey, \"%s\", &var) returned 0x%08X\n",
strText, hr);
}
}
}
// Release access to the safe array data
VERIFY(SUCCEEDED(SafeArrayUnaccessData(psa)));
// Indicate success
return S_OK;
}
