// Allocate and initialize the correct subclass of ImplAAFPropertyValue
// for the given OMProperty.
AAFRESULT STDMETHODCALLTYPE
ImplAAFTypeDef::CreatePropertyValue(
OMProperty *property,
ImplAAFPropertyValue ** ppPropertyValue ) const
{
AAFRESULT result = AAFRESULT_SUCCESS;
ASSERTU (property && ppPropertyValue);
if (NULL == property || NULL == ppPropertyValue)
return AAFRESULT_NULL_PARAM;
*ppPropertyValue = NULL; // initialize out parameter
ASSERTU (property->definition());
if (NULL == property->definition())
return AAFRESULT_INVALID_PARAM;
const OMType *type = property->definition()->type();
ASSERTU (type);
ImplAAFTypeDef *ptd = const_cast<ImplAAFTypeDef *>
(dynamic_cast<const ImplAAFTypeDef *>(type));
ASSERTU (ptd);
if (NULL == ptd)
return AAFRESULT_INVALID_PARAM;
ImplAAFPropValData *pvd = NULL;
pvd = (ImplAAFPropValData*) CreateImpl (CLSID_AAFPropValData);
if (!pvd)
return AAFRESULT_NOMEMORY;
result = pvd->Initialize (ptd);
if (AAFRESULT_SUCCEEDED(result))
{
// set the storage in the prop value
OMUInt32 bitsSize;
ASSERTU (property);
bitsSize = property->bitsSize ();
aafMemPtr_t pBits = NULL;
// Bobt hack! This should be removed once we have proper
// integration with OM property def support.
if (! property->isOptional() || property->isPresent ())
{
result = pvd->AllocateBits (bitsSize, &pBits);
if (AAFRESULT_SUCCEEDED (result))
{
if (bitsSize)
{
ASSERTU (pBits);
property->getBits (pBits, bitsSize);
}
}
}
}
if (AAFRESULT_SUCCEEDED(result))
{
*ppPropertyValue = pvd; // ref count is already 1.
pvd = NULL;
}
else
{
pvd->ReleaseReference(); // delete the new object.
}
return (result) ;
}
AAFRESULT STDMETHODCALLTYPE
ImplAAFTypeDefArray::SetCArray (
ImplAAFPropertyValue * pPropVal,
aafMemPtr_t pData,
aafUInt32 dataSize)
{
if (! pPropVal)
return AAFRESULT_NULL_PARAM;
if (! pData)
return AAFRESULT_NULL_PARAM;
if (! IsRegistered ())
return AAFRESULT_NOT_REGISTERED;
// Get the property value's embedded type and
// check if it's the same as the base type.
ImplAAFTypeDefSP pIncomingType;
if( AAFRESULT_FAILED( pPropVal->GetType( &pIncomingType ) ) )
return AAFRESULT_BAD_TYPE;
ASSERTU (pIncomingType);
if( (ImplAAFTypeDef *)pIncomingType != this )
return AAFRESULT_BAD_TYPE;
AAFRESULT hr;
ImplAAFTypeDefSP pBaseType;
hr = GetType (&pBaseType);
ASSERTU (pBaseType->IsFixedSize ());
pBaseType->AttemptBuiltinRegistration ();
ASSERTU (pBaseType->IsRegistered ());
ImplAAFRefArrayValue* pRefArray = dynamic_cast<ImplAAFRefArrayValue*>(pPropVal);
if (NULL != pRefArray)
{
// This interface is not type-safe for accessing objects! There is also no
// mechanism in place to convert between a buffer pointer and an array
// of interface pointers; this convertion would not be necessary for
// arrays of non-objects.
return AAFRESULT_BAD_TYPE;
}
// Size of individual elements
aafUInt32 elemSize = pBaseType->NativeSize ();
// number of elements in input data. If this is not an integral
// number, this will round down and the test below will fail.
aafUInt32 elemCount = dataSize / elemSize;
// The size of the new property, calculated from number of elements
// and the size of each element.
aafUInt32 propSize = elemSize * elemCount;
// If the given dataSize was not an integral multiple of the size of
// each element, then we'll signal an error.
if (propSize != dataSize)
return AAFRESULT_BAD_SIZE;
// In case of fixed-size arrays, we'll also have to see if the data
// size matches what we're expecting.
if (IsFixedSize ())
{
aafUInt32 nativeSize = NativeSize ();
if (nativeSize != dataSize)
return AAFRESULT_BAD_SIZE;
}
ImplAAFPropValData * pvd = 0;
ASSERTU (pPropVal);
pvd = dynamic_cast<ImplAAFPropValData*> (pPropVal);
ASSERTU (pvd);
aafMemPtr_t pBits = 0;
hr = pvd->AllocateBits (propSize, &pBits);
if (AAFRESULT_FAILED (hr))
return hr;
ASSERTU (pBits);
memcpy (pBits, pData, propSize);
return AAFRESULT_SUCCESS;
}
AAFRESULT STDMETHODCALLTYPE
ImplAAFTypeDefString::SetCString (
ImplAAFPropertyValue * pPropVal,
aafMemPtr_t pData,
aafUInt32 dataSize)
{
if (! pPropVal)
return AAFRESULT_NULL_PARAM;
if (! pData)
return AAFRESULT_NULL_PARAM;
if (! IsRegistered ())
return AAFRESULT_NOT_REGISTERED;
if (dataSize > OMPROPERTYSIZE_MAX)
return AAFRESULT_BAD_SIZE;
// Get the property value's embedded type and
// check if it's the same as the base type.
ImplAAFTypeDefSP pIncomingType;
if( AAFRESULT_FAILED( pPropVal->GetType( &pIncomingType ) ) )
return AAFRESULT_BAD_TYPE;
ASSERTU (pIncomingType);
if( (ImplAAFTypeDef *)pIncomingType != this )
return AAFRESULT_BAD_TYPE;
AAFRESULT hr;
ImplAAFTypeDefSP pBaseType;
hr = GetType (&pBaseType);
ASSERTU (pBaseType->IsFixedSize ());
pBaseType->AttemptBuiltinRegistration ();
ASSERTU (pBaseType->IsRegistered ());
// Size of individual elements
aafUInt32 elemSize = pBaseType->NativeSize ();
// number of elements in input data. If this is not an integral
// number, this will round down and the test below will fail.
aafUInt32 elemCount = dataSize / elemSize;
// The size of the new property, calculated from number of elements
// and the size of each element.
aafUInt32 propSize = elemSize * elemCount;
// If the given dataSize was not an integral multiple of the size of
// each element, then we'll signal an error.
if (propSize != dataSize)
return AAFRESULT_BAD_SIZE;
ImplAAFPropValData * pvd = 0;
ASSERTU (pPropVal);
pvd = dynamic_cast<ImplAAFPropValData*> (pPropVal);
ASSERTU (pvd);
aafMemPtr_t pBits = 0;
hr = pvd->AllocateBits (propSize, &pBits);
if (AAFRESULT_FAILED (hr))
return hr;
ASSERTU (pBits);
memcpy (pBits, pData, propSize);
return AAFRESULT_SUCCESS;
}