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#include <mbgl/layermanager/layer_factory.hpp>
#include <mbgl/layout/layout.hpp>
#include <mbgl/renderer/bucket.hpp>
#include <mbgl/renderer/bucket_parameters.hpp>
#include <mbgl/style/conversion/constant.hpp>
#include <mbgl/style/conversion/filter.hpp>
#include <mbgl/style/conversion_impl.hpp>
#include <mbgl/style/layer.hpp>
namespace mbgl {
optional<std::string> LayerFactory::getSource(const style::conversion::Convertible& value) const noexcept {
auto sourceValue = objectMember(value, "source");
if (!sourceValue) {
return nullopt;
}
optional<std::string> source = toString(*sourceValue);
if (!source) {
return nullopt;
}
return source;
}
std::unique_ptr<Bucket> LayerFactory::createBucket(const BucketParameters&, const std::vector<const RenderLayer*>&) noexcept {
assert(false);
return nullptr;
}
std::unique_ptr<Layout> LayerFactory::createLayout(const LayoutParameters&, std::unique_ptr<GeometryTileLayer>, const std::vector<const RenderLayer*>&) noexcept {
assert(false);
return nullptr;
}
bool LayerFactory::initSourceLayerAndFilter(style::Layer* layer, const style::conversion::Convertible& value) const noexcept {
auto sourceLayerValue = objectMember(value, "source-layer");
if (sourceLayerValue) {
optional<std::string> sourceLayer = toString(*sourceLayerValue);
if (!sourceLayer) {
return false;
}
layer->setSourceLayer(*sourceLayer);
}
auto filterValue = objectMember(value, "filter");
if (filterValue) {
style::conversion::Error error;
optional<style::Filter> filter = style::conversion::convert<style::Filter>(*filterValue, error);
if (!filter) {
return false;
}
layer->setFilter(*filter);
}
return true;
}
} // namespace mbgl
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