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authorJohn Firebaugh <john.firebaugh@gmail.com>2016-06-14 16:07:21 -0700
committerJohn Firebaugh <john.firebaugh@gmail.com>2016-06-16 13:27:15 -0700
commit900568cfb0b84a298395f4d84488fd9323552c63 (patch)
treee2c315656ca57a07ba48e38df5743fb05debb115 /src/mbgl/style/sources/geojson_source.cpp
parent19158d9f01909bf566616524f23e0acb635562f7 (diff)
downloadqtlocation-mapboxgl-900568cfb0b84a298395f4d84488fd9323552c63.tar.gz
[core] Runtime source API: private impls
Diffstat (limited to 'src/mbgl/style/sources/geojson_source.cpp')
-rw-r--r--src/mbgl/style/sources/geojson_source.cpp113
1 files changed, 0 insertions, 113 deletions
diff --git a/src/mbgl/style/sources/geojson_source.cpp b/src/mbgl/style/sources/geojson_source.cpp
deleted file mode 100644
index e06b00ec99..0000000000
--- a/src/mbgl/style/sources/geojson_source.cpp
+++ /dev/null
@@ -1,113 +0,0 @@
-#include <mbgl/style/sources/geojson_source.hpp>
-#include <mbgl/style/source_observer.hpp>
-#include <mbgl/style/parser.hpp>
-#include <mbgl/tile/geojson_tile.hpp>
-#include <mbgl/storage/file_source.hpp>
-#include <mbgl/platform/log.hpp>
-
-#include <mapbox/geojsonvt.hpp>
-#include <mapbox/geojsonvt/convert.hpp>
-
-#include <rapidjson/error/en.h>
-
-#include <sstream>
-
-namespace mbgl {
-namespace style {
-
-std::unique_ptr<mapbox::geojsonvt::GeoJSONVT> GeoJSONSource::parseGeoJSON(const JSValue& value) {
- using namespace mapbox::geojsonvt;
-
- Options options;
- options.buffer = util::EXTENT / util::tileSize * 128;
- options.extent = util::EXTENT;
-
- try {
- return std::make_unique<GeoJSONVT>(Convert::convert(value, 0), options);
- } catch (const std::exception& ex) {
- Log::Error(Event::ParseStyle, "Failed to parse GeoJSON data: %s", ex.what());
- // Create an empty GeoJSON VT object to make sure we're not infinitely waiting for
- // tiles to load.
- return std::make_unique<GeoJSONVT>(std::vector<ProjectedFeature>{}, options);
- }
-}
-
-std::unique_ptr<GeoJSONSource> GeoJSONSource::parse(const std::string& id, const JSValue& value) {
- // We should probably split this up to have URLs in the url property, and actual data
- // in the data property. Until then, we're going to detect the content based on the
- // object type.
- if (!value.HasMember("data")) {
- Log::Error(Event::ParseStyle, "GeoJSON source must have a data value");
- return nullptr;
- }
-
- const JSValue& dataVal = value["data"];
- if (dataVal.IsString()) {
- return std::make_unique<GeoJSONSource>(id, std::string(dataVal.GetString(), dataVal.GetStringLength()));
- } else if (dataVal.IsObject()) {
- return std::make_unique<GeoJSONSource>(id, parseGeoJSON(dataVal));
- } else {
- Log::Error(Event::ParseStyle, "GeoJSON data must be a URL or an object");
- return nullptr;
- }
-}
-
-GeoJSONSource::GeoJSONSource(std::string id_, variant<std::string, GeoJSON> urlOrGeoJSON_)
- : Source(SourceType::GeoJSON, std::move(id_)),
- urlOrGeoJSON(std::move(urlOrGeoJSON_)) {
-}
-
-GeoJSONSource::~GeoJSONSource() = default;
-
-void GeoJSONSource::load(FileSource& fileSource) {
- if (urlOrGeoJSON.is<GeoJSON>()) {
- loaded = true;
- return;
- }
-
- if (req) {
- return;
- }
-
- const std::string& url = urlOrGeoJSON.get<std::string>();
- req = fileSource.request(Resource::source(url), [this](Response res) {
- if (res.error) {
- observer->onSourceError(*this, std::make_exception_ptr(std::runtime_error(res.error->message)));
- } else if (res.notModified) {
- return;
- } else if (res.noContent) {
- observer->onSourceError(*this, std::make_exception_ptr(std::runtime_error("unexpectedly empty GeoJSON")));
- } else {
- rapidjson::GenericDocument<rapidjson::UTF8<>, rapidjson::CrtAllocator> d;
- d.Parse<0>(res.data->c_str());
-
- if (d.HasParseError()) {
- std::stringstream message;
- message << d.GetErrorOffset() << " - " << rapidjson::GetParseError_En(d.GetParseError());
- observer->onSourceError(*this, std::make_exception_ptr(std::runtime_error(message.str())));
- return;
- }
-
- invalidateTiles();
-
- urlOrGeoJSON = parseGeoJSON(d);
- loaded = true;
-
- observer->onSourceLoaded(*this);
- }
- });
-}
-
-Range<uint8_t> GeoJSONSource::getZoomRange() {
- assert(loaded);
- return { 0, urlOrGeoJSON.get<GeoJSON>()->options.maxZoom };
-}
-
-std::unique_ptr<Tile> GeoJSONSource::createTile(const OverscaledTileID& tileID,
- const UpdateParameters& parameters) {
- assert(loaded);
- return std::make_unique<GeoJSONTile>(tileID, id, parameters, *urlOrGeoJSON.get<GeoJSON>());
-}
-
-} // namespace style
-} // namespace mbgl