osrm-backend/include/server/api/table_parameter_grammar.hpp
2016-05-27 21:05:04 +02:00

69 lines
1.8 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 final : public BaseParametersGrammar<Iterator, Signature>
{
using BaseGrammar = BaseParametersGrammar<Iterator, Signature>;
TableParametersGrammar() : BaseGrammar(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) | BaseGrammar::base_rule(qi::_r1)) % '&');
}
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_;
};
}
}
}
#endif