Method addNamedTransform

src/OpenColorIO/Config.cpp:3169–3298

}

void Config::addNamedTransform(const ConstNamedTransformRcPtr & nt)
{
    if (!nt)
    {
        throw Exception("Named transform is null.");
    }
    const std::string name(nt->getName());
    if (name.empty())
    {
        throw Exception("Named transform must have a non-empty name.");
    }
    if (!nt->getTransform(TRANSFORM_DIR_FORWARD) &&
        !nt->getTransform(TRANSFORM_DIR_INVERSE))
    {
        throw Exception("Named transform must define at least one transform.");
    }

    if (hasRole(name.c_str()))
    {
        std::ostringstream os;
        os << "Cannot add '" << name << "' named transform, there is already a role with this "
              "name.";
        throw Exception(os.str().c_str());
    }
    auto cs = getColorSpace(name.c_str());
    if (cs)
    {
        std::ostringstream os;
        os << "Cannot add '" << name << "' named transform, there is already a color space using "
              "this name as a name or as an alias: '" << cs->getName() << "'.";
        throw Exception(os.str().c_str());
    }

    if (ContainsContextVariableToken(name))
    {
        std::ostringstream oss;
        oss << "A named transform name '" << name
            << "' cannot contain a context variable reserved token i.e. % or $.";

        throw Exception(oss.str().c_str());
    }

    size_t existing = getImpl()->getNamedTransformIndex(name.c_str());

    size_t replaceIdx = (size_t)-1;
    const auto numNT = getImpl()->m_allNamedTransforms.size();
    if (existing < numNT)
    {
        const std::string existingName{ getImpl()->m_allNamedTransforms[existing]->getName() };
        if (!StringUtils::Compare(existingName, name))
        {
            std::ostringstream os;
            os << "Cannot add '" << name << "' named transform, existing named transform, '";
            os << existingName << "' is using this name as an alias.";
            throw Exception(os.str().c_str());
        }
        // There is a named transform with the same name that will be replaced (if new named
        // transform can be used).