bool Serializer::WriteVariantVector(const VariantVector& value)
{
bool success = true;
success &= WriteVLE(value.Size());
for (VariantVector::ConstIterator i = value.Begin(); i != value.End(); ++i)
success &= WriteVariant(*i);
return success;
}
bool Serializer::WriteVariantMap(const VariantMap& value)
{
bool success = true;
success &= WriteVLE(value.Size());
for (VariantMap::ConstIterator i = value.Begin(); i != value.End(); ++i)
{
WriteStringHash(i->first_);
WriteVariant(i->second_);
}
return success;
}
void ezJSONWriter::AddVariableVariant(const char* szName, const ezVariant& value)
{
BeginVariable(szName);
WriteVariant(value);
EndVariable();
}
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;
}