static ElementIdentifier getElementIdentifier(Node * element)
{
NamedNodeMapPtr attrs = element->attributes();
std::vector<std::pair<std::string, std::string>> attrs_kv;
for (size_t i = 0; i < attrs->length(); ++i)
{
Node * node = attrs->item(i);
std::string name = node->nodeName();
if (name == "replace" || name == "remove" || name == "incl" || name == "from_zk")
continue;
std::string value = node->nodeValue();
attrs_kv.push_back(std::make_pair(name, value));
}
std::sort(attrs_kv.begin(), attrs_kv.end());
ElementIdentifier res;
res.push_back(element->nodeName());
for (const auto & attr : attrs_kv)
{
res.push_back(attr.first);
res.push_back(attr.second);
}
return res;
}
/**
* Takes a pointer to an XML node that is assumed to point at a "material"
* tag.
* It reads the definition and produces a new Material object.
* @param element A pointer to an Element node that is a "material" tag
* @return A new Material object
*/
Material MaterialXMLParser::parse(Poco::XML::Element *element) const {
using namespace Poco::XML;
typedef AutoPtr<NamedNodeMap> NamedNodeMapPtr;
NamedNodeMapPtr attrs = element->attributes();
const auto id = attrs->getNamedItem(ID_ATT);
if (!id || id->nodeValue().empty()) {
throw std::invalid_argument("MaterialXMLReader::read() - No 'id' tag found "
"or emptry string provided.");
}
attrs->removeNamedItem(ID_ATT);
MaterialBuilder builder;
builder.setName(id->nodeValue());
const auto nattrs = attrs->length();
for (unsigned long i = 0; i < nattrs; ++i) {
Node *node = attrs->item(i);
addToBuilder(&builder, node->nodeName(), node->nodeValue());
}
return builder.build();
}