Added output format parser to the other services.

Same as for Route service, you can now specify either json or flatbuffers
as output format for the other services (except Tile service, where it
makes no sense).

include/server/api/match_parameter_grammar.hpp

@@ -46,7 +46,7 @@ struct MatchParametersGrammar final : public RouteParametersGrammar<Iterator, Si
             "ignore", engine::api::MatchParameters::GapsType::Ignore);
 
         root_rule =
-            BaseGrammar::query_rule(qi::_r1) > -qi::lit(".json") >
+            BaseGrammar::query_rule(qi::_r1) > BaseGrammar::format_rule(qi::_r1) >
             -('?' > (timestamps_rule(qi::_r1) | BaseGrammar::base_rule(qi::_r1) |
                      (qi::lit("gaps=") >
                       gaps_type[ph::bind(&engine::api::MatchParameters::gaps, qi::_r1) = qi::_1]) |

include/server/api/nearest_parameter_grammar.hpp

@@ -32,7 +32,7 @@ struct NearestParametersGrammar final : public BaseParametersGrammar<Iterator, S
                         qi::uint_)[ph::bind(&engine::api::NearestParameters::number_of_results,
                                             qi::_r1) = qi::_1];
 
-        root_rule = BaseGrammar::query_rule(qi::_r1) > -qi::lit(".json") >
+        root_rule = BaseGrammar::query_rule(qi::_r1) > BaseGrammar::format_rule(qi::_r1) >
                     -('?' > (nearest_rule(qi::_r1) | BaseGrammar::base_rule(qi::_r1)) % '&');
     }
 

include/server/api/table_parameter_grammar.hpp

@@ -62,7 +62,7 @@ struct TableParametersGrammar : public BaseParametersGrammar<Iterator, Signature
 
         table_rule = destinations_rule(qi::_r1) | sources_rule(qi::_r1);
 
-        root_rule = BaseGrammar::query_rule(qi::_r1) > -qi::lit(".json") >
+        root_rule = BaseGrammar::query_rule(qi::_r1) > BaseGrammar::format_rule(qi::_r1) >
                     -('?' > (table_rule(qi::_r1) | base_rule(qi::_r1) | scale_factor_rule(qi::_r1) |
                              fallback_speed_rule(qi::_r1) |
                              (qi::lit("fallback_coordinate=") >

include/server/api/trip_parameter_grammar.hpp

@@ -45,7 +45,7 @@ struct TripParametersGrammar final : public RouteParametersGrammar<Iterator, Sig
             qi::lit("destination=") >
             destination_type[ph::bind(&engine::api::TripParameters::destination, qi::_r1) = qi::_1];
 
-        root_rule = BaseGrammar::query_rule(qi::_r1) > -qi::lit(".json") >
+        root_rule = BaseGrammar::query_rule(qi::_r1) > BaseGrammar::format_rule(qi::_r1) >
                     -('?' > (roundtrip_rule(qi::_r1) | source_rule(qi::_r1) |
                              destination_rule(qi::_r1) | BaseGrammar::base_rule(qi::_r1)) %
                                 '&');