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authorJohn Firebaugh <john.firebaugh@gmail.com>2016-06-14 12:46:29 -0700
committerJohn Firebaugh <john.firebaugh@gmail.com>2016-06-15 11:28:34 -0700
commit41760b5696e71c3d201d94d5c8b2423c1f348446 (patch)
tree4483b3e5795410e96dc2629a798cf285528241e2
parent87edff4047ddaf5a49b31c060bfae55d74d6c0cb (diff)
downloadqtlocation-mapboxgl-41760b5696e71c3d201d94d5c8b2423c1f348446.tar.gz
[core] Use variant<std::string, GeoJSON> in GeoJSON source
-rw-r--r--platform/default/mbgl/storage/offline_download.cpp10
-rw-r--r--src/mbgl/style/sources/geojson_source.cpp43
-rw-r--r--src/mbgl/style/sources/geojson_source.hpp24
-rw-r--r--src/mbgl/tile/geojson_tile.cpp6
-rw-r--r--src/mbgl/tile/geojson_tile.hpp2
5 files changed, 41 insertions, 44 deletions
diff --git a/platform/default/mbgl/storage/offline_download.cpp b/platform/default/mbgl/storage/offline_download.cpp
index 3d0ebaa68f..3f21b8571e 100644
--- a/platform/default/mbgl/storage/offline_download.cpp
+++ b/platform/default/mbgl/storage/offline_download.cpp
@@ -127,7 +127,9 @@ OfflineRegionStatus OfflineDownload::getStatus() const {
case SourceType::GeoJSON: {
style::GeoJSONSource* geojsonSource = static_cast<style::GeoJSONSource*>(source.get());
- if (!geojsonSource->getURL().empty()) {
+ const variant<std::string, style::GeoJSONSource::GeoJSON>& urlOrGeoJSON = geojsonSource->getURLOrGeoJSON();
+
+ if (urlOrGeoJSON.is<std::string>()) {
result.requiredResourceCount += 1;
}
break;
@@ -188,8 +190,10 @@ void OfflineDownload::activateDownload() {
case SourceType::GeoJSON: {
style::GeoJSONSource* geojsonSource = static_cast<style::GeoJSONSource*>(source.get());
- if (!geojsonSource->getURL().empty()) {
- ensureResource(Resource::source(geojsonSource->getURL()));
+ const variant<std::string, style::GeoJSONSource::GeoJSON>& urlOrGeoJSON = geojsonSource->getURLOrGeoJSON();
+
+ if (urlOrGeoJSON.is<std::string>()) {
+ ensureResource(Resource::source(urlOrGeoJSON.get<std::string>()));
}
break;
}
diff --git a/src/mbgl/style/sources/geojson_source.cpp b/src/mbgl/style/sources/geojson_source.cpp
index 00c344cf0b..e06b00ec99 100644
--- a/src/mbgl/style/sources/geojson_source.cpp
+++ b/src/mbgl/style/sources/geojson_source.cpp
@@ -15,7 +15,7 @@
namespace mbgl {
namespace style {
-std::unique_ptr<mapbox::geojsonvt::GeoJSONVT> parseGeoJSON(const JSValue& value) {
+std::unique_ptr<mapbox::geojsonvt::GeoJSONVT> GeoJSONSource::parseGeoJSON(const JSValue& value) {
using namespace mapbox::geojsonvt;
Options options;
@@ -32,11 +32,7 @@ std::unique_ptr<mapbox::geojsonvt::GeoJSONVT> parseGeoJSON(const JSValue& value)
}
}
-std::unique_ptr<GeoJSONSource> GeoJSONSource::parse(const std::string& id,
- const JSValue& value) {
- std::unique_ptr<mapbox::geojsonvt::GeoJSONVT> geojsonvt;
- std::string url;
-
+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.
@@ -47,36 +43,24 @@ std::unique_ptr<GeoJSONSource> GeoJSONSource::parse(const std::string& id,
const JSValue& dataVal = value["data"];
if (dataVal.IsString()) {
- // We need to load an external GeoJSON file
- url = { dataVal.GetString(), dataVal.GetStringLength() };
+ return std::make_unique<GeoJSONSource>(id, std::string(dataVal.GetString(), dataVal.GetStringLength()));
} else if (dataVal.IsObject()) {
- // We need to parse dataVal as a GeoJSON object
- geojsonvt = parseGeoJSON(dataVal);
+ return std::make_unique<GeoJSONSource>(id, parseGeoJSON(dataVal));
} else {
Log::Error(Event::ParseStyle, "GeoJSON data must be a URL or an object");
return nullptr;
}
-
- return std::make_unique<GeoJSONSource>(id, url, std::move(geojsonvt));
}
-GeoJSONSource::GeoJSONSource(std::string id_,
- std::string url_,
- std::unique_ptr<mapbox::geojsonvt::GeoJSONVT>&& geojsonvt_)
+GeoJSONSource::GeoJSONSource(std::string id_, variant<std::string, GeoJSON> urlOrGeoJSON_)
: Source(SourceType::GeoJSON, std::move(id_)),
- url(std::move(url_)),
- geojsonvt(std::move(geojsonvt_)) {
+ urlOrGeoJSON(std::move(urlOrGeoJSON_)) {
}
GeoJSONSource::~GeoJSONSource() = default;
-Range<uint8_t> GeoJSONSource::getZoomRange() {
- return { 0, geojsonvt->options.maxZoom };
-}
-
void GeoJSONSource::load(FileSource& fileSource) {
- if (url.empty()) {
- // If the URL is empty, the GeoJSON was specified inline in the stylesheet.
+ if (urlOrGeoJSON.is<GeoJSON>()) {
loaded = true;
return;
}
@@ -85,6 +69,7 @@ void GeoJSONSource::load(FileSource& fileSource) {
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)));
@@ -103,19 +88,25 @@ void GeoJSONSource::load(FileSource& fileSource) {
return;
}
- geojsonvt = style::parseGeoJSON(d);
-
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) {
- return std::make_unique<GeoJSONTile>(tileID, id, parameters, geojsonvt.get());
+ assert(loaded);
+ return std::make_unique<GeoJSONTile>(tileID, id, parameters, *urlOrGeoJSON.get<GeoJSON>());
}
} // namespace style
diff --git a/src/mbgl/style/sources/geojson_source.hpp b/src/mbgl/style/sources/geojson_source.hpp
index 00d245c878..490dae48b8 100644
--- a/src/mbgl/style/sources/geojson_source.hpp
+++ b/src/mbgl/style/sources/geojson_source.hpp
@@ -1,8 +1,8 @@
#pragma once
#include <mbgl/style/source.hpp>
-
#include <mbgl/util/rapidjson.hpp>
+#include <mbgl/util/variant.hpp>
namespace mapbox {
namespace geojsonvt {
@@ -18,25 +18,29 @@ namespace style {
class GeoJSONSource : public Source {
public:
- static std::unique_ptr<GeoJSONSource> parse(const std::string& id,
- const JSValue&);
+ using GeoJSON = std::unique_ptr<mapbox::geojsonvt::GeoJSONVT>;
+
+ static std::unique_ptr<GeoJSONSource> parse(const std::string& id, const JSValue&);
+ static GeoJSON parseGeoJSON(const JSValue&);
- GeoJSONSource(std::string id,
- std::string url,
- std::unique_ptr<mapbox::geojsonvt::GeoJSONVT>&&);
+ GeoJSONSource(std::string id, variant<std::string, GeoJSON> urlOrGeoJSON);
~GeoJSONSource() final;
void load(FileSource&) final;
- const std::string& getURL() const { return url; }
+ uint16_t getTileSize() const final {
+ return util::tileSize;
+ }
+
+ const variant<std::string, GeoJSON>& getURLOrGeoJSON() const {
+ return urlOrGeoJSON;
+ }
private:
- uint16_t getTileSize() const final { return util::tileSize; }
Range<uint8_t> getZoomRange() final;
std::unique_ptr<Tile> createTile(const OverscaledTileID&, const UpdateParameters&) final;
- const std::string url;
- std::unique_ptr<mapbox::geojsonvt::GeoJSONVT> geojsonvt;
+ variant<std::string, GeoJSON> urlOrGeoJSON;
std::unique_ptr<AsyncRequest> req;
};
diff --git a/src/mbgl/tile/geojson_tile.cpp b/src/mbgl/tile/geojson_tile.cpp
index f7bf969e7c..9334cf2fec 100644
--- a/src/mbgl/tile/geojson_tile.cpp
+++ b/src/mbgl/tile/geojson_tile.cpp
@@ -109,11 +109,9 @@ std::unique_ptr<GeoJSONTileData> convertTile(const mapbox::geojsonvt::Tile& tile
GeoJSONTile::GeoJSONTile(const OverscaledTileID& overscaledTileID,
std::string sourceID,
const style::UpdateParameters& parameters,
- mapbox::geojsonvt::GeoJSONVT* geojsonvt)
+ mapbox::geojsonvt::GeoJSONVT& geojsonvt)
: GeometryTile(overscaledTileID, sourceID, parameters.style, parameters.mode) {
- if (geojsonvt) {
- setData(convertTile(geojsonvt->getTile(id.canonical.z, id.canonical.x, id.canonical.y)));
- }
+ setData(convertTile(geojsonvt.getTile(id.canonical.z, id.canonical.x, id.canonical.y)));
}
void GeoJSONTile::setNecessity(Necessity) {}
diff --git a/src/mbgl/tile/geojson_tile.hpp b/src/mbgl/tile/geojson_tile.hpp
index 8cccda77b8..09fdd1ec9b 100644
--- a/src/mbgl/tile/geojson_tile.hpp
+++ b/src/mbgl/tile/geojson_tile.hpp
@@ -19,7 +19,7 @@ public:
GeoJSONTile(const OverscaledTileID&,
std::string sourceID,
const style::UpdateParameters&,
- mapbox::geojsonvt::GeoJSONVT*);
+ mapbox::geojsonvt::GeoJSONVT&);
void setNecessity(Necessity) final;
};