| 184 | }; |
| 185 | |
| 186 | class USRoadShieldParser : public RoadShieldParser |
| 187 | { |
| 188 | public: |
| 189 | explicit USRoadShieldParser(std::string const & baseRoadNumber) : RoadShieldParser(baseRoadNumber) {} |
| 190 | RoadShield ParseRoadShield(std::string_view rawText, uint8_t index) const override |
| 191 | { |
| 192 | std::string shieldText(rawText); |
| 193 | |
| 194 | std::replace(shieldText.begin(), shieldText.end(), '-', ' '); |
| 195 | auto const shieldParts = strings::Tokenize(shieldText, " "); |
| 196 | |
| 197 | // Process long road shield titles to skip invalid data. |
| 198 | if (shieldText.size() > kMaxRoadShieldBytesSize) |
| 199 | { |
| 200 | std::string lowerShieldText = shieldText; |
| 201 | strings::AsciiToLower(lowerShieldText); |
| 202 | |
| 203 | bool modifierFound = false; |
| 204 | for (auto const & modifier : kModifiers) |
| 205 | { |
| 206 | if (lowerShieldText.find(modifier) != std::string::npos) |
| 207 | { |
| 208 | modifierFound = true; |
| 209 | break; |
| 210 | } |
| 211 | } |
| 212 | if (!modifierFound) |
| 213 | return RoadShield(); |
| 214 | } |
| 215 | |
| 216 | if (shieldParts.size() <= 1) |
| 217 | return RoadShield(RoadShieldType::Default, rawText); |
| 218 | |
| 219 | std::string_view const roadType = shieldParts[0]; // 'I' for interstates and kFederalCode/kStatesCode for highways. |
| 220 | std::string roadNumber(shieldParts[1]); |
| 221 | std::string additionalInfo; |
| 222 | if (shieldParts.size() >= 3) |
| 223 | { |
| 224 | additionalInfo = shieldParts[2]; |
| 225 | // Process cases like "US Loop 16". |
| 226 | if (!strings::IsASCIINumeric(shieldParts[1]) && strings::IsASCIINumeric(shieldParts[2])) |
| 227 | { |
| 228 | roadNumber = shieldParts[2]; |
| 229 | additionalInfo = shieldParts[1]; |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | if (roadType == "I") |
| 234 | return RoadShield(RoadShieldType::US_Interstate, roadNumber, additionalInfo); |
| 235 | |
| 236 | if (base::IsExist(kFederalCode, shieldParts[0])) |
| 237 | return RoadShield(RoadShieldType::US_Highway, roadNumber, additionalInfo); |
| 238 | |
| 239 | if (base::IsExist(kStatesCode, shieldParts[0])) |
| 240 | return RoadShield(RoadShieldType::Generic_White_Bordered, roadNumber, additionalInfo); |
| 241 | |
| 242 | return RoadShield(RoadShieldType::Default, rawText); |
| 243 | } |