42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
#ifndef NEAREST_PARAMETERS_GRAMMAR_HPP
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#define NEAREST_PARAMETERS_GRAMMAR_HPP
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#include "server/api/base_parameters_grammar.hpp"
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#include "engine/api/nearest_parameters.hpp"
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#include <boost/phoenix.hpp>
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#include <boost/spirit/include/qi.hpp>
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namespace osrm::server::api
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{
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namespace
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{
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namespace ph = boost::phoenix;
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namespace qi = boost::spirit::qi;
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} // namespace
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template <typename Iterator = std::string::iterator,
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typename Signature = void(engine::api::NearestParameters &)>
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struct NearestParametersGrammar final : public BaseParametersGrammar<Iterator, Signature>
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{
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using BaseGrammar = BaseParametersGrammar<Iterator, Signature>;
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NearestParametersGrammar() : BaseGrammar(root_rule)
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{
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nearest_rule = (qi::lit("number=") >
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qi::uint_)[ph::bind(&engine::api::NearestParameters::number_of_results,
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qi::_r1) = qi::_1];
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root_rule = BaseGrammar::query_rule(qi::_r1) > BaseGrammar::format_rule(qi::_r1) >
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-('?' > (nearest_rule(qi::_r1) | BaseGrammar::base_rule(qi::_r1)) % '&');
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}
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private:
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qi::rule<Iterator, Signature> root_rule;
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qi::rule<Iterator, Signature> nearest_rule;
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};
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} // namespace osrm::server::api
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#endif
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