| 6 | namespace generator |
| 7 | { |
| 8 | void MixFakeNodes(std::istream & stream, std::function<void(OsmElement &)> const & processor) |
| 9 | { |
| 10 | if (stream.fail()) |
| 11 | return; |
| 12 | |
| 13 | // Max node id on 12.02.2018 times hundred — good enough until ~2030. |
| 14 | uint64_t constexpr baseNodeId = 5396734321 * 100; |
| 15 | uint8_t constexpr kCFLat = 1; |
| 16 | uint8_t constexpr kCFLon = 2; |
| 17 | uint8_t constexpr kCFTags = 4; |
| 18 | uint8_t constexpr kCFAll = kCFLat | kCFLon | kCFTags; |
| 19 | uint64_t count = 0; |
| 20 | uint8_t completionFlag = 0; |
| 21 | OsmElement p; |
| 22 | p.m_id = baseNodeId; |
| 23 | p.m_type = OsmElement::EntityType::Node; |
| 24 | |
| 25 | using std::string; |
| 26 | string line; |
| 27 | while (std::getline(stream, line)) |
| 28 | { |
| 29 | if (line.empty()) |
| 30 | { |
| 31 | if (completionFlag == kCFAll) |
| 32 | { |
| 33 | processor(p); |
| 34 | count++; |
| 35 | p.Clear(); |
| 36 | p.m_id = baseNodeId + count; |
| 37 | p.m_type = OsmElement::EntityType::Node; |
| 38 | completionFlag = 0; |
| 39 | } |
| 40 | continue; |
| 41 | } |
| 42 | |
| 43 | auto const eqPos = line.find('='); |
| 44 | if (eqPos != string::npos) |
| 45 | { |
| 46 | string key = line.substr(0, eqPos); |
| 47 | string value = line.substr(eqPos + 1); |
| 48 | strings::Trim(key); |
| 49 | strings::Trim(value); |
| 50 | |
| 51 | if (key == "lat") |
| 52 | { |
| 53 | if (strings::to_double(value, p.m_lat)) |
| 54 | completionFlag |= kCFLat; |
| 55 | } |
| 56 | else if (key == "lon") |
| 57 | { |
| 58 | if (strings::to_double(value, p.m_lon)) |
| 59 | completionFlag |= kCFLon; |
| 60 | } |
| 61 | else |
| 62 | { |
| 63 | p.AddTag(key, value); |
| 64 | completionFlag |= kCFTags; |
| 65 | } |