Use std::optional instead of mbgl::optional (#911)

This commit is contained in:
Bart Louwers
2023-03-17 12:51:59 +01:00
committed by GitHub
parent 36846439c6
commit 15ad65dd3d
482 changed files with 2605 additions and 2652 deletions

View File

@@ -16,40 +16,40 @@ namespace style {
namespace conversion {
// A tile source can either specify a URL to TileJSON, or inline TileJSON.
static optional<variant<std::string, Tileset>> convertURLOrTileset(const Convertible& value, Error& error) {
static std::optional<variant<std::string, Tileset>> convertURLOrTileset(const Convertible& value, Error& error) {
auto urlVal = objectMember(value, "url");
if (!urlVal) {
optional<Tileset> tileset = convert<Tileset>(value, error);
std::optional<Tileset> tileset = convert<Tileset>(value, error);
if (!tileset) {
return nullopt;
return std::nullopt;
}
return { *tileset };
}
optional<std::string> url = toString(*urlVal);
std::optional<std::string> url = toString(*urlVal);
if (!url) {
error.message = "source url must be a string";
return nullopt;
return std::nullopt;
}
return { *url };
}
static optional<std::unique_ptr<Source>> convertRasterSource(const std::string& id,
static std::optional<std::unique_ptr<Source>> convertRasterSource(const std::string& id,
const Convertible& value,
Error& error) {
optional<variant<std::string, Tileset>> urlOrTileset = convertURLOrTileset(value, error);
std::optional<variant<std::string, Tileset>> urlOrTileset = convertURLOrTileset(value, error);
if (!urlOrTileset) {
return nullopt;
return std::nullopt;
}
uint16_t tileSize = util::tileSize_I;
auto tileSizeValue = objectMember(value, "tileSize");
if (tileSizeValue) {
optional<float> size = toNumber(*tileSizeValue);
std::optional<float> size = toNumber(*tileSizeValue);
if (!size || *size < 0 || *size > std::numeric_limits<uint16_t>::max()) {
error.message = "invalid tileSize";
return nullopt;
return std::nullopt;
}
tileSize = static_cast<uint16_t>(*size);
}
@@ -57,21 +57,21 @@ static optional<std::unique_ptr<Source>> convertRasterSource(const std::string&
return { std::make_unique<RasterSource>(id, std::move(*urlOrTileset), tileSize) };
}
static optional<std::unique_ptr<Source>> convertRasterDEMSource(const std::string& id,
static std::optional<std::unique_ptr<Source>> convertRasterDEMSource(const std::string& id,
const Convertible& value,
Error& error) {
optional<variant<std::string, Tileset>> urlOrTileset = convertURLOrTileset(value, error);
std::optional<variant<std::string, Tileset>> urlOrTileset = convertURLOrTileset(value, error);
if (!urlOrTileset) {
return nullopt;
return std::nullopt;
}
uint16_t tileSize = util::tileSize_I;
auto tileSizeValue = objectMember(value, "tileSize");
if (tileSizeValue) {
optional<float> size = toNumber(*tileSizeValue);
std::optional<float> size = toNumber(*tileSizeValue);
if (!size || *size < 0 || *size > std::numeric_limits<uint16_t>::max()) {
error.message = "invalid tileSize";
return nullopt;
return std::nullopt;
}
tileSize = static_cast<uint16_t>(*size);
}
@@ -79,97 +79,97 @@ static optional<std::unique_ptr<Source>> convertRasterDEMSource(const std::strin
return { std::make_unique<RasterDEMSource>(id, std::move(*urlOrTileset), tileSize) };
}
static optional<std::unique_ptr<Source>> convertVectorSource(const std::string& id,
static std::optional<std::unique_ptr<Source>> convertVectorSource(const std::string& id,
const Convertible& value,
Error& error) {
optional<variant<std::string, Tileset>> urlOrTileset = convertURLOrTileset(value, error);
std::optional<variant<std::string, Tileset>> urlOrTileset = convertURLOrTileset(value, error);
if (!urlOrTileset) {
return nullopt;
return std::nullopt;
}
auto maxzoomValue = objectMember(value, "maxzoom");
optional<float> maxzoom;
std::optional<float> maxzoom;
if (maxzoomValue) {
maxzoom = toNumber(*maxzoomValue);
if (!maxzoom || *maxzoom < 0 || *maxzoom > std::numeric_limits<uint8_t>::max()) {
error.message = "invalid maxzoom";
return nullopt;
return std::nullopt;
}
}
auto minzoomValue = objectMember(value, "minzoom");
optional<float> minzoom;
std::optional<float> minzoom;
if (minzoomValue) {
minzoom = toNumber(*minzoomValue);
if (!minzoom || *minzoom < 0 || *minzoom > std::numeric_limits<uint8_t>::max()) {
error.message = "invalid minzoom";
return nullopt;
return std::nullopt;
}
}
return {std::make_unique<VectorSource>(id, std::move(*urlOrTileset), std::move(maxzoom), std::move(minzoom))};
}
static optional<std::unique_ptr<Source>> convertGeoJSONSource(const std::string& id,
static std::optional<std::unique_ptr<Source>> convertGeoJSONSource(const std::string& id,
const Convertible& value,
Error& error) {
auto dataValue = objectMember(value, "data");
if (!dataValue) {
error.message = "GeoJSON source must have a data value";
return nullopt;
return std::nullopt;
}
Immutable<GeoJSONOptions> options = GeoJSONOptions::defaultOptions();
if (optional<GeoJSONOptions> converted = convert<GeoJSONOptions>(value, error)) {
if (std::optional<GeoJSONOptions> converted = convert<GeoJSONOptions>(value, error)) {
options = makeMutable<GeoJSONOptions>(std::move(*converted));
}
auto result = std::make_unique<GeoJSONSource>(id, std::move(options));
if (isObject(*dataValue)) {
optional<GeoJSON> geoJSON = convert<GeoJSON>(*dataValue, error);
auto geoJSON = convert<GeoJSON>(*dataValue, error);
if (!geoJSON) {
return nullopt;
return std::nullopt;
}
result->setGeoJSON(*geoJSON);
} else if (toString(*dataValue)) {
result->setURL(*toString(*dataValue));
} else {
error.message = "GeoJSON data must be a URL or an object";
return nullopt;
return std::nullopt;
}
return { std::move(result) };
}
static optional<std::unique_ptr<Source>> convertImageSource(const std::string& id,
static std::optional<std::unique_ptr<Source>> convertImageSource(const std::string& id,
const Convertible& value,
Error& error) {
auto urlValue = objectMember(value, "url");
if (!urlValue) {
error.message = "Image source must have a url value";
return nullopt;
return std::nullopt;
}
auto urlString = toString(*urlValue);
if (!urlString) {
error.message = "Image url must be a URL string";
return nullopt;
return std::nullopt;
}
auto coordinatesValue = objectMember(value, "coordinates");
if (!coordinatesValue) {
error.message = "Image source must have a coordinates values";
return nullopt;
return std::nullopt;
}
if (!isArray(*coordinatesValue) || arrayLength(*coordinatesValue) != 4) {
error.message = "Image coordinates must be an array of four longitude latitude pairs";
return nullopt;
return std::nullopt;
}
std::array<LatLng, 4> coordinates;
for (std::size_t i=0; i < 4; i++) {
auto latLng = conversion::convert<LatLng>(arrayMember(*coordinatesValue,i), error);
if (!latLng) {
return nullopt;
return std::nullopt;
}
coordinates[i] = *latLng;
}
@@ -179,22 +179,22 @@ static optional<std::unique_ptr<Source>> convertImageSource(const std::string& i
return { std::move(result) };
}
optional<std::unique_ptr<Source>> Converter<std::unique_ptr<Source>>::operator()(const Convertible& value, Error& error, const std::string& id) const {
std::optional<std::unique_ptr<Source>> Converter<std::unique_ptr<Source>>::operator()(const Convertible& value, Error& error, const std::string& id) const {
if (!isObject(value)) {
error.message = "source must be an object";
return nullopt;
return std::nullopt;
}
auto typeValue = objectMember(value, "type");
if (!typeValue) {
error.message = "source must have a type";
return nullopt;
return std::nullopt;
}
optional<std::string> type = toString(*typeValue);
std::optional<std::string> type = toString(*typeValue);
if (!type) {
error.message = "source type must be a string";
return nullopt;
return std::nullopt;
}
const std::string& tname = type.value();
if (tname == "raster") {
@@ -209,7 +209,7 @@ optional<std::unique_ptr<Source>> Converter<std::unique_ptr<Source>>::operator()
return convertImageSource(id, value, error);
} else {
error.message = "invalid source type";
return nullopt;
return std::nullopt;
}
}