osrm-backend/include/util/geojson_validation.hpp
2022-12-20 18:00:11 +01:00

88 lines
2.8 KiB
C++

#ifndef OSRM_GEOJSON_VALIDATION_HPP
#define OSRM_GEOJSON_VALIDATION_HPP
#include "util/exception.hpp"
#include "util/log.hpp"
#include "rapidjson/document.h"
namespace osrm::util
{
inline void validateCoordinate(const rapidjson::Value &coordinate)
{
if (!coordinate.IsArray())
throw osrm::util::exception("Feature geometry has a non-array coordinate.");
if (coordinate.Capacity() != 2)
{
throw osrm::util::exception(
"Feature geometry has a malformed coordinate with more than 2 values.");
}
else
{
for (rapidjson::SizeType i = 0; i < coordinate.Size(); i++)
{
if (!coordinate[i].IsNumber() && !coordinate[i].IsDouble())
throw osrm::util::exception("Feature geometry has a non-number coordinate.");
}
}
}
inline void validateFeature(const rapidjson::Value &feature)
{
if (!feature.HasMember("type"))
{
throw osrm::util::exception("Feature is missing type member.");
}
else if (!feature["type"].IsString())
{
throw osrm::util::exception("Feature has non-string type member.");
}
if (!feature.HasMember("properties"))
{
throw osrm::util::exception("Feature is missing properties member.");
}
else if (!feature.GetObject()["properties"].IsObject())
{
throw osrm::util::exception("Feature has non-object properties member.");
}
if (!feature.HasMember("geometry"))
{
throw osrm::util::exception("Feature is missing geometry member.");
}
else if (!feature.GetObject()["geometry"].IsObject())
{
throw osrm::util::exception("Feature non-object geometry member.");
}
if (!feature["geometry"].GetObject().HasMember("type"))
{
throw osrm::util::exception("Feature geometry is missing type member.");
}
else if (!feature["geometry"].GetObject()["type"].IsString())
{
throw osrm::util::exception("Feature geometry has non-string type member.");
}
if (!feature["geometry"].GetObject().HasMember("coordinates"))
{
throw osrm::util::exception("Feature geometry is missing coordinates member.");
}
else if (!feature["geometry"].GetObject()["coordinates"].IsArray())
{
throw osrm::util::exception("Feature geometry has a non-array coordinates member.");
}
const auto coord_array = feature["geometry"].GetObject()["coordinates"].GetArray();
if (coord_array.Empty())
throw osrm::util::exception("Feature geometry coordinates member is empty.");
if (feature["geometry"]["type"] == "polygon" || feature["geometry"]["type"] == "Polygon")
{
if (!coord_array[0].IsArray() || !coord_array[0][0].IsArray())
{
throw osrm::util::exception("Polygon geometry missing outer ring");
}
}
}
} // namespace osrm::util
#endif // OSRM_GEOJSON_VALIDATION_HPP