Method addTokenSubstitutions

source/MaterialXCore/Element.cpp:879–927

}

void StringResolver::addTokenSubstitutions(ConstElementPtr element)
{
    const string DELIMITER_PREFIX = "[";
    const string DELIMITER_POSTFIX = "]";

    // Traverse from siblings up until root is reached.
    // Child tokens override any parent tokens.
    ConstElementPtr parent = element->getParent();
    while (parent)
    {
        ConstInterfaceElementPtr interfaceElem = parent->asA<InterfaceElement>();
        if (interfaceElem)
        {
            vector<TokenPtr> tokens = interfaceElem->getActiveTokens();
            for (auto token : tokens)
            {
                string key = DELIMITER_PREFIX + token->getName() + DELIMITER_POSTFIX;
                string value = token->getResolvedValueString();
                if (!_filenameMap.count(key))
                {
                    setFilenameSubstitution(key, value);
                }
            }

            // This is a functional nodegraph. Get the corresponding nodedef and
            // check for tokens on it.
            ConstNodeGraphPtr nodegraph = parent->asA<NodeGraph>();
            if (nodegraph)
            {
                NodeDefPtr nodedef = nodegraph->getNodeDef();
                if (nodedef)
                {
                    tokens = nodedef->getActiveTokens();
                    for (auto token : tokens)
                    {
                        string key = DELIMITER_PREFIX + token->getName() + DELIMITER_POSTFIX;
                        string value = token->getResolvedValueString();
                        if (!_filenameMap.count(key))
                        {
                            setFilenameSubstitution(key, value);
                        }
                    }
                }
            }

        }
        parent = parent->getParent();
    }
}

string StringResolver::resolve(const string& str, const string& type) const
{