void NTNDArrayRecord::setAttributes()
{
// Get the attribute field
PVStructureArrayPtr attributeField = ndarray->getAttribute();
// Create a shared vector or reuse
PVStructureArray::svector attributes(attributeField->reuse());
attributes.reserve(1);
// Create an attribute for the Color Mode
// name: ColorMode
// value: variant union stores a PVInt with value 0
// descriptor: "Color mode"
// source: ""
// sourceType = 0
PVStructurePtr attribute = getPVDataCreate()->createPVStructure(attributeField->getStructureArray()->getStructure());
NTNDArrayAttributePtr ntattribute = NTNDArrayAttribute::wrap(attribute);
ntattribute->getName()->put("ColorMode");
PVInt::shared_pointer pvColorMode = getPVDataCreate()->createPVScalar<PVInt>();
pvColorMode->put(0);
ntattribute->getValue()->set(pvColorMode);
ntattribute->getDescriptor()->put("Color mode");
ntattribute->getSourceType()->put(0);
ntattribute->getSource()->put("");
attributes.push_back(attribute);
// Replace the attribute fields stored
attributeField->replace(freeze(attributes));
}
size_t fromString(PVStructureArrayPtr const &pv, StringArray const & from, size_t fromStartIndex = 0)
{
int processed = 0;
size_t fromValueCount = from.size();
// first get count
if (fromStartIndex >= fromValueCount)
throw std::runtime_error("not enough of values");
size_t numberOfStructures;
istringstream iss(from[fromStartIndex]);
iss >> numberOfStructures;
// not fail and entire value is parsed (e.g. to detect 1.2 parsing to 1)
if (iss.fail() || !iss.eof())
throw runtime_error("failed to parse element count value (uint) of field '" + pv->getFieldName() + "' from string value '" + from[fromStartIndex] + "'");
fromStartIndex++;
processed++;
PVStructureArray::svector pvStructures;
pvStructures.reserve(numberOfStructures);
PVDataCreatePtr pvDataCreate = getPVDataCreate();
for (size_t i = 0; i < numberOfStructures; ++i)
{
PVStructurePtr pvStructure = pvDataCreate->createPVStructure(pv->getStructureArray()->getStructure());
size_t count = fromString(pvStructure, from, fromStartIndex);
processed += count;
fromStartIndex += count;
pvStructures.push_back(pvStructure);
}
pv->replace(freeze(pvStructures));
return processed;
}
void NTNDArrayRecord::setDimension(const int32_t * dims, size_t ndims)
{
// Get the dimension field
PVStructureArrayPtr dimField = ndarray->getDimension();
// create a shared_vector or try to reuse the dimension field's one
PVStructureArray::svector dimVector(dimField->reuse());
// resize/reserve the number of elements
dimVector.resize(ndims);
// Iterate over the number of dimensions, creating and adding the
// appropriate dimension structures.
for (size_t i = 0; i < ndims; i++)
{
PVStructurePtr d = dimVector[i];
if (!d || !d.unique())
d = dimVector[i] = getPVDataCreate()->createPVStructure(dimField->getStructureArray()->getStructure());
d->getSubField<PVInt>("size")->put(dims[i]);
d->getSubField<PVInt>("offset")->put(0);
d->getSubField<PVInt>("fullSize")->put(dims[i]);
d->getSubField<PVInt>("binning")->put(1);
d->getSubField<PVBoolean>("reverse")->put(false);
}
// replace the dimensions field's shared_vector
// (Remember to freeze first)
dimField->replace(freeze(dimVector));
}