std::vector<Record*> Datastore::_recordsOnPath(const std::vector<std::string>& path) {
if (path.empty()) { return {}; } // invalid path
std::vector<Record*> ret;
Record* r = &_root;
for (auto&& token : path) {
try {
r = &r->getChild(token.c_str());
} catch (...) {
ret.insert(ret.end(), path.size() - ret.size(), nullptr); // fill remainder with null
return ret;
}
ret.push_back(r);
}
return ret;
}
Record* Datastore::getRecord(const std::string& path) {
// TODO: string operations like this are expensive, optimize?
auto tokens = _tokenizePath(path);
if (tokens.empty()) { return nullptr; } // invalid path
Record* r = &_root;
try {
for (auto&& token : tokens) {
r = &r->getChild(token.c_str());
if (r->getType() == RecordType::kUndefined) {
return nullptr;
}
}
} catch (...) {
return nullptr;
}
return r;
}