| 39 | /// on. |
| 40 | template <typename Predicate> |
| 41 | inline Json::Value remove_levels_if(Json::Value input, Predicate p) { |
| 42 | namespace keys = osvr::common::routing_keys; |
| 43 | std::vector<Json::Value> levels; |
| 44 | Json::Value current = input; |
| 45 | while (current.isMember(keys::child()) && |
| 46 | current[keys::child()].isObject()) { |
| 47 | if (!p(current)) { |
| 48 | levels.push_back(current); |
| 49 | } |
| 50 | current = current[keys::child()]; |
| 51 | } |
| 52 | while (levels.size() > 0) { |
| 53 | Json::Value next = levels.back(); |
| 54 | levels.pop_back(); |
| 55 | next[keys::child()] = current; |
| 56 | current = next; |
| 57 | } |
| 58 | return current; |
| 59 | } |
| 60 | |
| 61 | #endif // INCLUDED_RecomposeTransform_h_GUID_4CA04427_C4DC_4898_8938_D735D4A6C056 |