osrm-backend/include/server/api/table_parameter_grammar.hpp

108 lines
4.0 KiB
C++

#ifndef TABLE_PARAMETERS_GRAMMAR_HPP
#define TABLE_PARAMETERS_GRAMMAR_HPP
#include "server/api/base_parameters_grammar.hpp"
#include "engine/api/table_parameters.hpp"
#include <boost/phoenix.hpp>
#include <boost/spirit/include/qi.hpp>
namespace osrm::server::api
{
namespace
{
namespace ph = boost::phoenix;
namespace qi = boost::spirit::qi;
} // namespace
template <typename Iterator = std::string::iterator,
typename Signature = void(engine::api::TableParameters &)>
struct TableParametersGrammar : public BaseParametersGrammar<Iterator, Signature>
{
using BaseGrammar = BaseParametersGrammar<Iterator, Signature>;
TableParametersGrammar() : TableParametersGrammar(root_rule)
{
#ifdef BOOST_HAS_LONG_LONG
if (std::is_same<std::size_t, unsigned long long>::value)
size_t_ = qi::ulong_long;
else
size_t_ = qi::ulong_;
#else
size_t_ = qi::ulong_;
#endif
destinations_rule =
qi::lit("destinations=") >
(qi::lit("all") |
(size_t_ %
';')[ph::bind(&engine::api::TableParameters::destinations, qi::_r1) = qi::_1]);
sources_rule =
qi::lit("sources=") >
(qi::lit("all") |
(size_t_ % ';')[ph::bind(&engine::api::TableParameters::sources, qi::_r1) = qi::_1]);
fallback_speed_rule =
qi::lit("fallback_speed=") >
(double_)[ph::bind(&engine::api::TableParameters::fallback_speed, qi::_r1) = qi::_1];
fallback_coordinate_type.add("input",
engine::api::TableParameters::FallbackCoordinateType::Input)(
"snapped", engine::api::TableParameters::FallbackCoordinateType::Snapped);
scale_factor_rule =
qi::lit("scale_factor=") >
(double_)[ph::bind(&engine::api::TableParameters::scale_factor, qi::_r1) = qi::_1];
table_rule = destinations_rule(qi::_r1) | sources_rule(qi::_r1);
root_rule = BaseGrammar::query_rule(qi::_r1) > BaseGrammar::format_rule(qi::_r1) >
-('?' > (table_rule(qi::_r1) | base_rule(qi::_r1) | scale_factor_rule(qi::_r1) |
fallback_speed_rule(qi::_r1) |
(qi::lit("fallback_coordinate=") >
fallback_coordinate_type
[ph::bind(&engine::api::TableParameters::fallback_coordinate_type,
qi::_r1) = qi::_1])) %
'&');
}
TableParametersGrammar(qi::rule<Iterator, Signature> &root_rule_) : BaseGrammar(root_rule_)
{
using AnnotationsType = engine::api::TableParameters::AnnotationsType;
annotations.add("duration", AnnotationsType::Duration)("distance",
AnnotationsType::Distance);
annotations_list = annotations[qi::_val |= qi::_1] % ',';
base_rule = BaseGrammar::base_rule(qi::_r1) |
(qi::lit("annotations=") >
annotations_list[ph::bind(&engine::api::TableParameters::annotations,
qi::_r1) = qi::_1]);
}
protected:
qi::rule<Iterator, Signature> base_rule;
private:
using json_policy = no_trailing_dot_policy<double, 'j', 's', 'o', 'n'>;
qi::rule<Iterator, Signature> root_rule;
qi::rule<Iterator, Signature> table_rule;
qi::rule<Iterator, Signature> sources_rule;
qi::rule<Iterator, Signature> destinations_rule;
qi::rule<Iterator, Signature> fallback_speed_rule;
qi::rule<Iterator, Signature> scale_factor_rule;
qi::rule<Iterator, std::size_t()> size_t_;
qi::symbols<char, engine::api::TableParameters::AnnotationsType> annotations;
qi::rule<Iterator, engine::api::TableParameters::AnnotationsType()> annotations_list;
qi::symbols<char, engine::api::TableParameters::FallbackCoordinateType>
fallback_coordinate_type;
qi::real_parser<double, json_policy> double_;
};
} // namespace osrm::server::api
#endif