Geospatial::anonymous_namespace{Types.cpp} Namespace Reference

Classes
struct	HexDigitToDecimalTable

Functions
uint8_t	hex_to_binary (const char &usb, const char &lsb)
std::vector< uint8_t >	hex_string_to_binary_vector (const std::string &wkb_hex)
bool	validation_enabled_for_type (const OGRGeometry *geom)
void	validate_ogr (const OGRGeometry *geom)

Variables
constexpr HexDigitToDecimalTable	hex_digit_to_decimal_table

Function Documentation

std::vector<uint8_t> Geospatial::anonymous_namespace{Types.cpp}::hex_string_to_binary_vector

(

const std::string &

wkb_hex

)

Definition at line 1030 of file Types.cpp.

References hex_to_binary().

Referenced by Geospatial::GeoTypesFactory::createOGRGeometry().

                                                                         {
  auto num_bytes = wkb_hex.size() >> 1;
  std::vector<uint8_t> wkb(num_bytes);
  auto* chars = wkb_hex.data();
  auto* bytes = wkb.data();
  for (size_t i = 0; i < num_bytes; i++) {
    auto const& usb = *chars++;
    auto const& lsb = *chars++;
    *bytes++ = hex_to_binary(usb, lsb);
  }
  return wkb;
}

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uint8_t Geospatial::anonymous_namespace{Types.cpp}::hex_to_binary ( const char &  usb, const char &  lsb  )

inline

Definition at line 1026 of file Types.cpp.

Referenced by hex_string_to_binary_vector().

                                                               {
  return (hex_digit_to_decimal_table[usb] << 4) | hex_digit_to_decimal_table[lsb];
}

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void Geospatial::anonymous_namespace{Types.cpp}::validate_ogr

(

const OGRGeometry *

geom

)

Definition at line 1049 of file Types.cpp.

References CHECK, Geospatial::geos_validate_wkb(), Geospatial::geos_validation_available(), and validation_enabled_for_type().

Referenced by Geospatial::GeoTypesFactory::createGeoType(), and Geospatial::GeoTypesFactory::createOGRGeometry().

                                           {
  CHECK(geom);
  if (validation_enabled_for_type(geom) && geos_validation_available()) {
    auto const wkb_size = geom->WkbSize();
    std::vector<unsigned char> wkb(wkb_size);
    auto const err = geom->exportToWkb(wkbNDR, wkb.data());
    if (err == OGRERR_NONE && !geos_validate_wkb(wkb.data(), wkb_size)) {
      throw GeoTypesError("GeoFactory", "Geometry is invalid");
    }
  }
}

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bool Geospatial::anonymous_namespace{Types.cpp}::validation_enabled_for_type

(

const OGRGeometry *

geom

)

Definition at line 1043 of file Types.cpp.

Referenced by validate_ogr().

                                                          {
  auto const wkb_type = wkbFlatten(geom->getGeometryType());
  // only POLYGON and MULTIPOLYGON for now
  return (wkb_type == wkbPolygon) || (wkb_type == wkbMultiPolygon);
}

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Variable Documentation

constexpr HexDigitToDecimalTable Geospatial::anonymous_namespace{Types.cpp}::hex_digit_to_decimal_table

Definition at line 1024 of file Types.cpp.