osrm-backend/include/server/api/table_parameter_grammar.hpp
2016-04-05 22:58:32 +02:00

57 lines
1.6 KiB
C++

#ifndef TABLE_PARAMETERS_GRAMMAR_HPP
#define TABLE_PARAMETERS_GRAMMAR_HPP
#include "engine/api/table_parameters.hpp"
#include "server/api/base_parameters_grammar.hpp"
#include <boost/spirit/include/qi_lit.hpp>
#include <boost/spirit/include/qi_uint.hpp>
#include <boost/spirit/include/qi_grammar.hpp>
#include <boost/spirit/include/qi_action.hpp>
#include <boost/spirit/include/qi_optional.hpp>
namespace osrm
{
namespace server
{
namespace api
{
namespace qi = boost::spirit::qi;
struct TableParametersGrammar final : public BaseParametersGrammar
{
using Iterator = std::string::iterator;
using SourcesT = std::vector<std::size_t>;
using DestinationsT = std::vector<std::size_t>;
TableParametersGrammar() : BaseParametersGrammar(root_rule, parameters)
{
const auto set_destiantions = [this](DestinationsT &dests)
{
parameters.destinations = std::move(dests);
};
const auto set_sources = [this](SourcesT &sources)
{
parameters.sources = std::move(sources);
};
destinations_rule = (qi::lit("destinations=") >> (qi::ulong_ % ";")[set_destiantions]) | qi::lit("destinations=all");
sources_rule = (qi::lit("sources=") >> (qi::ulong_ % ";")[set_sources]) | qi::lit("sources=all");
table_rule = destinations_rule | sources_rule;
root_rule = -((base_rule | table_rule) % '&');
}
engine::api::TableParameters parameters;
private:
qi::rule<Iterator> root_rule, table_rule;
qi::rule<Iterator> sources_rule;
qi::rule<Iterator> destinations_rule;
};
}
}
}
#endif