958 int readMessageItem(const std::string& typeCode, sdbusplus::message_t& m,  in readMessageItem()  argument
966     int r = sd_bus_message_read_basic(m.get(), typeCode.front(), &value);  in readMessageItem()
970                          typeCode);  in readMessageItem()
981 inline int readDictEntryFromMessage(const std::string& typeCode,  in readDictEntryFromMessage()  argument
985     std::vector<std::string> types = dbusArgSplit(typeCode);  in readDictEntryFromMessage()
994                                            typeCode.c_str());  in readDictEntryFromMessage()
1040 inline int readArrayFromMessage(const std::string& typeCode,  in readArrayFromMessage()  argument
1043     if (typeCode.size() < 2)  in readArrayFromMessage()
1045         BMCWEB_LOG_ERROR("Type code {} too small for an array", typeCode);  in readArrayFromMessage()
1049     std::string containedType = typeCode.substr(1);  in readArrayFromMessage()
1117 inline int readStructFromMessage(const std::string& typeCode,  in readStructFromMessage()  argument
1120     if (typeCode.size() < 3)  in readStructFromMessage()
1122         BMCWEB_LOG_ERROR("Type code {} too small for a struct", typeCode);  in readStructFromMessage()
1126     std::string containedTypes = typeCode.substr(1, typeCode.size() - 2);  in readStructFromMessage()
1196     for (const std::string& typeCode : returnTypes)  in convertDBusToJSON()  local
1205         if (typeCode == "s" || typeCode == "g" || typeCode == "o")  in convertDBusToJSON()
1207             r = readMessageItem<char*>(typeCode, m, *thisElement);  in convertDBusToJSON()
1213         else if (typeCode == "b")  in convertDBusToJSON()
1215             r = readMessageItem<int>(typeCode, m, *thisElement);  in convertDBusToJSON()
1223         else if (typeCode == "u")  in convertDBusToJSON()
1225             r = readMessageItem<uint32_t>(typeCode, m, *thisElement);  in convertDBusToJSON()
1231         else if (typeCode == "i")  in convertDBusToJSON()
1233             r = readMessageItem<int32_t>(typeCode, m, *thisElement);  in convertDBusToJSON()
1239         else if (typeCode == "x")  in convertDBusToJSON()
1241             r = readMessageItem<int64_t>(typeCode, m, *thisElement);  in convertDBusToJSON()
1247         else if (typeCode == "t")  in convertDBusToJSON()
1249             r = readMessageItem<uint64_t>(typeCode, m, *thisElement);  in convertDBusToJSON()
1255         else if (typeCode == "n")  in convertDBusToJSON()
1257             r = readMessageItem<int16_t>(typeCode, m, *thisElement);  in convertDBusToJSON()
1263         else if (typeCode == "q")  in convertDBusToJSON()
1265             r = readMessageItem<uint16_t>(typeCode, m, *thisElement);  in convertDBusToJSON()
1271         else if (typeCode == "y")  in convertDBusToJSON()
1273             r = readMessageItem<uint8_t>(typeCode, m, *thisElement);  in convertDBusToJSON()
1279         else if (typeCode == "d")  in convertDBusToJSON()
1281             r = readMessageItem<double>(typeCode, m, *thisElement);  in convertDBusToJSON()
1287         else if (typeCode == "h")  in convertDBusToJSON()
1289             r = readMessageItem<int>(typeCode, m, *thisElement);  in convertDBusToJSON()
1295         else if (typeCode.starts_with("a"))  in convertDBusToJSON()
1297             r = readArrayFromMessage(typeCode, m, *thisElement);  in convertDBusToJSON()
1303         else if (typeCode.starts_with("(") && typeCode.ends_with(")"))  in convertDBusToJSON()
1305             r = readStructFromMessage(typeCode, m, *thisElement);  in convertDBusToJSON()
1311         else if (typeCode.starts_with("v"))  in convertDBusToJSON()
1321             BMCWEB_LOG_ERROR("Invalid D-Bus signature type {}", typeCode);  in convertDBusToJSON()