find_regions_with_attribute()

std::vector< Region > MayaFlux::Kakshya::find_regions_with_attribute	(	const RegionGroup &	group,
		const std::string &	key,
		const std::any &	value
	)

Find all regions in a RegionGroup with a specific attribute value.

Parameters

group	RegionGroup to search.
key	Attribute key.
value	Attribute value to match.

Returns

Vector of matching Regions.

Definition at line 32 of file RegionUtils.cpp.

{
    std::vector<Region> result;
    std::ranges::copy_if(group.regions, std::back_inserter(result),
        [&key, &value](const Region& region) {
            if (!region.attributes.contains(key))
                return false;
 
            const auto& attr = region.attributes.at(key);
 
            if (attr.type() != value.type())
                return false;
            if (attr.type() == typeid(std::string))
                return any_equal<std::string>(attr, value);
            if (attr.type() == typeid(double))
                return any_equal<double>(attr, value);
            if (attr.type() == typeid(int))
                return any_equal<int>(attr, value);
            if (attr.type() == typeid(float))
                return any_equal<float>(attr, value);
            if (attr.type() == typeid(bool))
                return any_equal<bool>(attr, value);
            if (attr.type() == typeid(uint32_t))
                return any_equal<uint32_t>(attr, value);
            if (attr.type() == typeid(int64_t))
                return any_equal<int64_t>(attr, value);
            if (attr.type() == typeid(uint64_t))
                return any_equal<uint64_t>(attr, value);
            return false;
        });
 
    return result;
}

References MayaFlux::Kakshya::RegionGroup::regions.