osrm-backend/src/server/api/parameters_parser.cpp
2016-03-17 21:57:35 +01:00

74 lines
2.4 KiB
C++

#include "server/api/parameters_parser.hpp"
#include "server/api/route_parameters_grammar.hpp"
#include "server/api/table_parameter_grammar.hpp"
#include "server/api/nearest_parameter_grammar.hpp"
//#include "server/api/trip_parameter_grammar.hpp"
//#include "server/api/match_parameter_grammar.hpp"
#include <type_traits>
namespace osrm
{
namespace server
{
namespace api
{
namespace detail
{
template <typename ParameterT, typename GrammarT>
boost::optional<ParameterT> parseParameters(std::string::iterator &iter, std::string::iterator end)
{
GrammarT grammar;
const auto result = boost::spirit::qi::parse(iter, end, grammar);
boost::optional<ParameterT> parameters;
if (result && iter == end)
parameters = std::move(grammar.parameters);
return parameters;
}
} // ns detail
template <>
boost::optional<engine::api::RouteParameters> parseParameters(std::string::iterator &iter,
std::string::iterator end)
{
return detail::parseParameters<engine::api::RouteParameters, RouteParametersGrammar>(iter, end);
}
template <>
boost::optional<engine::api::TableParameters> parseParameters(std::string::iterator &iter,
std::string::iterator end)
{
return detail::parseParameters<engine::api::TableParameters, TableParametersGrammar>(iter, end);
}
template <>
boost::optional<engine::api::NearestParameters> parseParameters(std::string::iterator &iter,
std::string::iterator end)
{
return detail::parseParameters<engine::api::NearestParameters, NearestParametersGrammar>(iter,
end);
}
//template <>
//boost::optional<engine::api::TripParameters> parseParameters(std::string::iterator &iter,
// std::string::iterator end)
//{
// return detail::parseParameters<engine::api::TripParameters, TripParametersGrammar>(iter, end);
//}
//
//template <>
//boost::optional<engine::api::MatchParameters> parseParameters(std::string::iterator &iter,
// std::string::iterator end)
//{
// return detail::parseParameters<engine::api::MatchParameters, MatchParametersGrammar>(iter, end);
//}
} // ns api
} // ns server
} // ns osrm