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wrap the json flight history as a feature

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this allows to attach properties later
This commit is contained in:
Torsten Dreyer 2015-02-27 15:54:28 +01:00
parent 548b899fb6
commit 0fcfbe9221
1 changed files with 24 additions and 4 deletions
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28
src/Network/http/FlightHistoryUriHandler.cxx
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@ -32,10 +32,30 @@ using std::stringstream;
namespace flightgear {
namespace http {
static string FlightHistoryToJson(const SGGeodVec & history) {
cJSON * lineString = cJSON_CreateObject();
cJSON_AddItemToObject(lineString, "type", cJSON_CreateString("LineString"));
/*
{
type: "Feature",
geometry: {
type: "LineString",
coordinates: [lon,lat,alt],..]
},
properties: {
type: "FlightHistory"
},
}
*/
static string FlightHistoryToJson(const SGGeodVec & history) {
cJSON * feature = cJSON_CreateObject();
cJSON_AddItemToObject(feature, "type", cJSON_CreateString("Feature"));
cJSON * lineString = cJSON_CreateObject();
cJSON_AddItemToObject(feature, "geometry", lineString );
cJSON * properties = cJSON_CreateObject();
cJSON_AddItemToObject(feature, "properties", properties );
cJSON_AddItemToObject(lineString, "type", cJSON_CreateString("LineString"));
cJSON * coordinates = cJSON_CreateArray();
cJSON_AddItemToObject(lineString, "coordinates", coordinates);
for (SGGeodVec::const_iterator it = history.begin(); it != history.end();
@ -49,7 +69,7 @@ static string FlightHistoryToJson(const SGGeodVec & history) {
}
char * jsonString = cJSON_PrintUnformatted(lineString);
char * jsonString = cJSON_PrintUnformatted(feature);
string reply(jsonString);
free(jsonString);
cJSON_Delete(lineString);