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Added ability to get multiple points from /nearest by using num_results argument

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This commit is contained in:
Stefan Rajkovic 2014-08-07 17:15:27 -04:00
parent 1d3932e8c5
commit 38117df11b
4 changed files with 30 additions and 16 deletions
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4
DataStructures/RouteParameters.cpp
View File

@ -33,7 +33,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
RouteParameters::RouteParameters()
: zoom_level(18), print_instructions(false), alternate_route(true), geometry(true),
compression(true), deprecatedAPI(false), check_sum(-1)
compression(true), deprecatedAPI(false), check_sum(-1), num_results(1)
{
}
@ -45,6 +45,8 @@ void RouteParameters::setZoomLevel(const short level)
}
}
void RouteParameters::setNumberOfResults(const short number) { num_results = number; }
void RouteParameters::setAlternateRouteFlag(const bool flag) { alternate_route = flag; }
void RouteParameters::setDeprecatedAPIFlag(const std::string &) { deprecatedAPI = true; }

3
Include/osrm/RouteParameters.h
View File

@ -40,6 +40,8 @@ struct RouteParameters
RouteParameters();
void setZoomLevel(const short level);
void setNumberOfResults(const short number);
void setAlternateRouteFlag(const bool flag);
@ -72,6 +74,7 @@ struct RouteParameters
bool compression;
bool deprecatedAPI;
unsigned check_sum;
short num_results;
std::string service;
std::string output_format;
std::string jsonp_parameter;

34
Plugins/NearestPlugin.h
View File

@ -53,13 +53,12 @@ template <class DataFacadeT> class NearestPlugin : public BasePlugin
reply = http::Reply::StockReply(http::Reply::badRequest);
return;
}
int number_of_results = route_parameters.num_results;
std::vector<PhantomNode> phantom_node_vector;
facade->IncrementalFindPhantomNodeForCoordinate(route_parameters.coordinates.front(),
phantom_node_vector,
route_parameters.zoom_level,
1);
number_of_results);
JSON::Object json_result;
if (phantom_node_vector.empty() || !phantom_node_vector.front().isValid())
{
@ -69,20 +68,29 @@ template <class DataFacadeT> class NearestPlugin : public BasePlugin
{
reply.status = http::Reply::ok;
json_result.values["status"] = 0;
JSON::Array json_coordinate;
json_coordinate.values.push_back(phantom_node_vector.front().location.lat /
COORDINATE_PRECISION);
json_coordinate.values.push_back(phantom_node_vector.front().location.lon /
COORDINATE_PRECISION);
json_result.values["mapped_coordinate"] = json_coordinate;
std::string temp_string;
facade->GetName(phantom_node_vector.front().name_id, temp_string);
json_result.values["name"] = temp_string;
JSON::Array results;
int vector_length = phantom_node_vector.size();
for (int i = 0; i < number_of_results && i < vector_length; i++)
{
JSON::Array json_coordinate;
JSON::Object result;
json_coordinate.values.push_back(phantom_node_vector.at(i).location.lat /
COORDINATE_PRECISION);
json_coordinate.values.push_back(phantom_node_vector.at(i).location.lon /
COORDINATE_PRECISION);
result.values["mapped coordinate"] = json_coordinate;
std::string temp_string;
facade->GetName(phantom_node_vector.front().name_id, temp_string);
result.values["name"] = temp_string;
results.values.push_back(result);
}
json_result.values["results"] = results;
}
JSON::render(reply.content, json_result);
}
private:
DataFacadeT *facade;
std::string descriptor_string;

5
Server/APIGrammar.h
View File

@ -40,7 +40,7 @@ struct APIGrammar : qi::grammar<Iterator>
explicit APIGrammar(HandlerT * h) : APIGrammar::base_type(api_call), handler(h)
{
api_call = qi::lit('/') >> string[boost::bind(&HandlerT::setService, handler, ::_1)] >> *(query);
query = ('?') >> (+(zoom | output | jsonp | checksum | location | hint | cmp | language | instruction | geometry | alt_route | old_API) ) ;
query = ('?') >> (+(zoom | output | jsonp | checksum | location | hint | cmp | language | instruction | geometry | alt_route | old_API | num_results) ) ;
zoom = (-qi::lit('&')) >> qi::lit('z') >> '=' >> qi::short_[boost::bind(&HandlerT::setZoomLevel, handler, ::_1)];
output = (-qi::lit('&')) >> qi::lit("output") >> '=' >> string[boost::bind(&HandlerT::setOutputFormat, handler, ::_1)];
@ -54,6 +54,7 @@ struct APIGrammar : qi::grammar<Iterator>
language = (-qi::lit('&')) >> qi::lit("hl") >> '=' >> string[boost::bind(&HandlerT::setLanguage, handler, ::_1)];
alt_route = (-qi::lit('&')) >> qi::lit("alt") >> '=' >> qi::bool_[boost::bind(&HandlerT::setAlternateRouteFlag, handler, ::_1)];
old_API = (-qi::lit('&')) >> qi::lit("geomformat") >> '=' >> string[boost::bind(&HandlerT::setDeprecatedAPIFlag, handler, ::_1)];
num_results = (-qi::lit('&')) >> qi::lit("num_results") >> '=' >> qi::short_[boost::bind(&HandlerT::setNumberOfResults, handler, ::_1)];
string = +(qi::char_("a-zA-Z"));
stringwithDot = +(qi::char_("a-zA-Z0-9_.-"));
@ -63,7 +64,7 @@ struct APIGrammar : qi::grammar<Iterator>
qi::rule<Iterator> api_call, query;
qi::rule<Iterator, std::string()> service, zoom, output, string, jsonp, checksum, location, hint,
stringwithDot, stringwithPercent, language, instruction, geometry,
cmp, alt_route, old_API;
cmp, alt_route, old_API, num_results;
HandlerT * handler;
};