BSONContent* BSONObj::getXpath(const std::string& xpath) const {
__int32 posDot = xpath.find('.');
BSONContent* result = NULL;
if (posDot == string::npos) {
result = getContent(xpath);
} else {
std::string path = xpath.substr(0, posDot);
result = getContent(path);
if ((result != NULL) && (result->type() == BSON_TYPE)) {
BSONContentBSON* bcontent = (BSONContentBSON*)result;
BSONObj* inner = (BSONObj*)*bcontent;
result = inner->getXpath(xpath.substr(posDot + 1));
}
}
if (result != NULL) {
return result->clone();
} else {
return NULL;
}
}
void BSONObj::add(std::string key, const BSONContent& val) {
remove(key);
BSONContent* content = val.clone();
_elements.insert(pair<std::string, BSONContent* >(key, content));
}
