set_region_data()

void MayaFlux::Kakshya::CompositeContainer::set_region_data ( const Region &  region, const std::vector< CompositeArray > &  data  )

overridevirtual

Replace a Region with an equal number of compatible elements.

Parameters

region	Inclusive destination range.
data	Arrays whose combined element count must equal the range.

Note

Invalid ranges, counts, or layouts leave the source unchanged.

Implements MayaFlux::Kakshya::NDDataContainer< CompositeArray >.

Definition at line 132 of file CompositeContainer.cpp.

{
    const auto target = m_data.slice(region);
    if (!target)
        return;
 
    size_t supplied = 0;
    for (const auto& array : data) {
        if (array.size() > target->size() - supplied)
            return;
        supplied += array.size();
    }
    if (supplied != target->size())
        return;
 
    CompositeArray replacement(m_data.layout());
    CompositeInsertion insertion(replacement);
 
    const auto before = m_data.slice(0, target->start());
    const auto after_start = target->start() + target->size();
    const auto after = m_data.slice(after_start, m_data.size() - after_start);
 
    if (!before || !after || !append_slice(insertion, *before))
        return;
 
    for (const auto& array : data) {
        const auto selected = array.slice(0, array.size());
        if (!selected || !append_slice(insertion, *selected))
            return;
    }
    if (!append_slice(insertion, *after))
        return;
 
    m_data = std::move(replacement);
}

References MayaFlux::Kakshya::CompositeArray::layout(), m_data, MayaFlux::Kakshya::CompositeArray::size(), and MayaFlux::Kakshya::CompositeArray::slice().

Here is the call graph for this function: