clear()

bool MayaFlux::Kakshya::CompositeArray::clear	(	size_t	index,
		std::string_view	field_name
	)

Mark a field absent without removing its stored bytes.

Parameters

index	Element index.
field_name	Field to clear.

Returns

True on success; false for an invalid index or name.

Definition at line 295 of file Composite.cpp.

{
    if (index >= size()) {
        MF_WARN(Journal::Component::Kakshya, Journal::Context::Runtime,
            "CompositeArray: element {} is out of range for {} elements", index, size());
        return false;
    }
 
    const auto field_index = m_layout.find_field(field_name);
 
    if (!field_index) {
        MF_WARN(Journal::Component::Kakshya, Journal::Context::Runtime,
            "CompositeArray: field '{}' does not exist", field_name);
        return false;
    }
 
    set_present(index, *field_index, false);
    return true;
}

References MayaFlux::Kakshya::CompositeLayout::find_field(), index, MayaFlux::Journal::Kakshya, m_layout, MF_WARN, MayaFlux::Journal::Runtime, set_present(), and size().

Referenced by MayaFlux::Yantra::OperationHelper::reconstruct_projected_composite(), and MayaFlux::IO::DelimitedTextReader::seek().

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