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#pragma once
#include "indexer/feature.hpp"
#include "indexer/features_vector.hpp"
#include "indexer/mwm_set.hpp"
#include "geometry/rect2d.hpp"
#include <cstdint>
#include <functional>
#include <memory>
#include <string>
enum class FeatureStatus
{
Untouched, // The feature hasn't been saved in the editor.
Deleted, // The feature has been marked as deleted.
Obsolete, // The feature has been marked for deletion via note.
Modified, // The feature has been saved in the editor and differs from the original one.
Created // The feature was created by a user and has been saved in the editor.
// Note: If a feature was created by a user but hasn't been saved in the editor yet
// its status is Untouched.
}; // enum class FeatureStatus
std::string ToString(FeatureStatus fs);
inline std::string DebugPrint(FeatureStatus fs) { return ToString(fs); }
class FeatureSource
{
public:
explicit FeatureSource(MwmSet::MwmHandle const & handle);
virtual ~FeatureSource() {}
size_t GetNumFeatures() const;
std::unique_ptr<FeatureType> GetOriginalFeature(uint32_t index) const;
FeatureID GetFeatureId(uint32_t index) const { return FeatureID(m_handle.GetId(), index); }
virtual FeatureStatus GetFeatureStatus(uint32_t index) const;
virtual std::unique_ptr<FeatureType> GetModifiedFeature(uint32_t index) const;
// Runs |fn| for each feature, that is not present in the mwm.
virtual void ForEachAdditionalFeature(m2::RectD const & rect, int scale,
std::function<void(uint32_t)> const & fn) const;
protected:
MwmSet::MwmHandle const & m_handle;
std::unique_ptr<FeaturesVector> m_vector;
}; // class FeatureSource
// Lightweight FeatureSource factory. Each DataSource owns factory object.
class FeatureSourceFactory
{
public:
virtual ~FeatureSourceFactory() = default;
virtual std::unique_ptr<FeatureSource> operator()(MwmSet::MwmHandle const & handle) const
{
return std::make_unique<FeatureSource>(handle);
}
};
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