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

90 lines
2.7 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/spirit/include/phoenix.hpp>
#include <boost/spirit/include/qi.hpp>
namespace osrm
{
namespace server
{
namespace api
{
namespace
{
namespace ph = boost::phoenix;
namespace qi = boost::spirit::qi;
}
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]);
table_rule = destinations_rule(qi::_r1) | sources_rule(qi::_r1);
root_rule = BaseGrammar::query_rule(qi::_r1) > -qi::lit(".json") >
-('?' > (table_rule(qi::_r1) | base_rule(qi::_r1)) % '&');
}
TableParametersGrammar(qi::rule<Iterator, Signature> &root_rule_) : BaseGrammar(root_rule_)
{
using AnnotationsType = engine::api::TableParameters::AnnotationsType;
const auto add_annotation = [](engine::api::TableParameters &table_parameters,
AnnotationsType table_param) {
table_parameters.annotations = table_parameters.annotations | table_param;
};
annotations.add("duration", AnnotationsType::Duration)("distance",
AnnotationsType::Distance);
base_rule = BaseGrammar::base_rule(qi::_r1) |
(qi::lit("annotations=") >
(annotations[ph::bind(add_annotation, qi::_r1, qi::_1)] % ','));
}
protected:
qi::rule<Iterator, Signature> base_rule;
private:
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, std::size_t()> size_t_;
qi::symbols<char, engine::api::TableParameters::AnnotationsType> annotations;
};
}
}
}
#endif