102 lines
6.2 KiB
C++
102 lines
6.2 KiB
C++
#ifndef API_GRAMMAR_HPP
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#define API_GRAMMAR_HPP
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#include <boost/bind.hpp>
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#include <boost/spirit/include/qi.hpp>
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#include <boost/spirit/include/qi_action.hpp>
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namespace qi = boost::spirit::qi;
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template <typename Iterator, class HandlerT> struct APIGrammar : qi::grammar<Iterator>
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{
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explicit APIGrammar(HandlerT *h) : APIGrammar::base_type(api_call), handler(h)
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{
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api_call =
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qi::lit('/') >> string[boost::bind(&HandlerT::setService, handler, ::_1)] >> -query;
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query = ('?') >> +(zoom | output | jsonp | checksum | uturns | location_with_options |
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destination_with_options | source_with_options | cmp | language |
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instruction | geometry | alt_route | old_API | num_results |
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matching_beta | gps_precision | classify | locs);
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// all combinations of timestamp, uturn, hint and bearing without duplicates
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t_u = (u >> -timestamp) | (timestamp >> -u);
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t_h = (hint >> -timestamp) | (timestamp >> -hint);
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u_h = (u >> -hint) | (hint >> -u);
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t_u_h = (hint >> -t_u) | (u >> -t_h) | (timestamp >> -u_h);
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location_options =
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(bearing >> -t_u_h) | (t_u_h >> -bearing) | //
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(u >> bearing >> -t_h) | (timestamp >> bearing >> -u_h) | (hint >> bearing >> t_u) | //
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(t_h >> bearing >> -u) | (u_h >> bearing >> -timestamp) | (t_u >> bearing >> -hint);
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location_with_options = location >> -location_options;
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source_with_options = source >> -location_options;
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destination_with_options = destination >> -location_options;
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zoom = (-qi::lit('&')) >> qi::lit('z') >> '=' >>
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qi::short_[boost::bind(&HandlerT::setZoomLevel, handler, ::_1)];
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output = (-qi::lit('&')) >> qi::lit("output") >> '=' >>
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string[boost::bind(&HandlerT::setOutputFormat, handler, ::_1)];
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jsonp = (-qi::lit('&')) >> qi::lit("jsonp") >> '=' >>
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stringwithPercent[boost::bind(&HandlerT::setJSONpParameter, handler, ::_1)];
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checksum = (-qi::lit('&')) >> qi::lit("checksum") >> '=' >>
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qi::uint_[boost::bind(&HandlerT::setChecksum, handler, ::_1)];
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instruction = (-qi::lit('&')) >> qi::lit("instructions") >> '=' >>
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qi::bool_[boost::bind(&HandlerT::setInstructionFlag, handler, ::_1)];
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geometry = (-qi::lit('&')) >> qi::lit("geometry") >> '=' >>
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qi::bool_[boost::bind(&HandlerT::setGeometryFlag, handler, ::_1)];
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cmp = (-qi::lit('&')) >> qi::lit("compression") >> '=' >>
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qi::bool_[boost::bind(&HandlerT::setCompressionFlag, handler, ::_1)];
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location = (-qi::lit('&')) >> qi::lit("loc") >> '=' >>
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(qi::double_ >> qi::lit(',') >>
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qi::double_)[boost::bind(&HandlerT::addCoordinate, handler, ::_1)];
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destination = (-qi::lit('&')) >> qi::lit("dst") >> '=' >>
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(qi::double_ >> qi::lit(',') >>
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qi::double_)[boost::bind(&HandlerT::addDestination, handler, ::_1)];
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source = (-qi::lit('&')) >> qi::lit("src") >> '=' >>
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(qi::double_ >> qi::lit(',') >>
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qi::double_)[boost::bind(&HandlerT::addSource, handler, ::_1)];
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hint = (-qi::lit('&')) >> qi::lit("hint") >> '=' >>
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stringwithDot[boost::bind(&HandlerT::addHint, handler, ::_1)];
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timestamp = (-qi::lit('&')) >> qi::lit("t") >> '=' >>
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qi::uint_[boost::bind(&HandlerT::addTimestamp, handler, ::_1)];
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bearing = (-qi::lit('&')) >> qi::lit("b") >> '=' >>
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(qi::int_ >>
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-(qi::lit(',') >> qi::int_ |
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qi::attr(10)))[boost::bind(&HandlerT::addBearing, handler, ::_1, ::_2, ::_3)];
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u = (-qi::lit('&')) >> qi::lit("u") >> '=' >>
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qi::bool_[boost::bind(&HandlerT::setUTurn, handler, ::_1)];
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uturns = (-qi::lit('&')) >> qi::lit("uturns") >> '=' >>
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qi::bool_[boost::bind(&HandlerT::setAllUTurns, handler, ::_1)];
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language = (-qi::lit('&')) >> qi::lit("hl") >> '=' >>
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string[boost::bind(&HandlerT::setLanguage, handler, ::_1)];
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alt_route = (-qi::lit('&')) >> qi::lit("alt") >> '=' >>
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qi::bool_[boost::bind(&HandlerT::setAlternateRouteFlag, handler, ::_1)];
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old_API = (-qi::lit('&')) >> qi::lit("geomformat") >> '=' >>
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string[boost::bind(&HandlerT::setDeprecatedAPIFlag, handler, ::_1)];
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num_results = (-qi::lit('&')) >> qi::lit("num_results") >> '=' >>
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qi::short_[boost::bind(&HandlerT::setNumberOfResults, handler, ::_1)];
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matching_beta = (-qi::lit('&')) >> qi::lit("matching_beta") >> '=' >>
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qi::float_[boost::bind(&HandlerT::setMatchingBeta, handler, ::_1)];
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gps_precision = (-qi::lit('&')) >> qi::lit("gps_precision") >> '=' >>
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qi::float_[boost::bind(&HandlerT::setGPSPrecision, handler, ::_1)];
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classify = (-qi::lit('&')) >> qi::lit("classify") >> '=' >>
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qi::bool_[boost::bind(&HandlerT::setClassify, handler, ::_1)];
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locs = (-qi::lit('&')) >> qi::lit("locs") >> '=' >>
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stringforPolyline[boost::bind(&HandlerT::getCoordinatesFromGeometry, handler, ::_1)];
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string = +(qi::char_("a-zA-Z"));
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stringwithDot = +(qi::char_("a-zA-Z0-9_.-"));
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stringwithPercent = +(qi::char_("a-zA-Z0-9_.-") | qi::char_('[') | qi::char_(']') |
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(qi::char_('%') >> qi::char_("0-9A-Z") >> qi::char_("0-9A-Z")));
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stringforPolyline = +(qi::char_("a-zA-Z0-9_.-[]{}@?|\\%~`^"));
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}
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qi::rule<Iterator> api_call, query, location_options, location_with_options,
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destination_with_options, source_with_options, t_u, t_h, u_h, t_u_h;
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qi::rule<Iterator, std::string()> service, zoom, output, string, jsonp, checksum, location,
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destination, source, hint, timestamp, bearing, stringwithDot, stringwithPercent, language,
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geometry, cmp, alt_route, u, uturns, old_API, num_results, matching_beta, gps_precision,
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classify, locs, instruction, stringforPolyline;
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HandlerT *handler;
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};
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#endif /* API_GRAMMAR_HPP */
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