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#ifndef LLMR_MAP_VECTOR_TILE
#define LLMR_MAP_VECTOR_TILE
#include <llmr/util/pbf.hpp>
#include <llmr/style/value.hpp>
#include <vector>
#include <map>
#include <set>
namespace llmr {
class BucketDescription;
class VectorTileLayer;
struct pbf;
struct Coordinate {
struct null {};
Coordinate() : x(0), y(0) {}
Coordinate(int16_t x, int16_t y) : x(x), y(y) {}
Coordinate(null) : x(std::numeric_limits<int16_t>::min()), y(std::numeric_limits<int16_t>::min()) {}
int16_t x;
int16_t y;
inline bool operator==(const Coordinate& other) const {
return x == other.x && y == other.y;
}
inline operator bool() const {
return x != std::numeric_limits<int16_t>::min() && y != std::numeric_limits<int16_t>::min();
}
};
/*
* Allows iterating over the features of a VectorTileLayer using a
* BucketDescription as filter. Only features matching the descriptions will
* be returned (as pbf).
*/
class FilteredVectorTileLayer {
public:
class iterator {
public:
iterator(const FilteredVectorTileLayer& filter, const pbf& data);
void operator++();
bool operator!=(const iterator& other) const;
const pbf& operator*() const;
private:
const FilteredVectorTileLayer& filter;
bool valid = false;
pbf feature;
pbf data;
};
public:
FilteredVectorTileLayer(const VectorTileLayer& layer, const BucketDescription& bucket_desc);
iterator begin() const;
iterator end() const;
private:
const VectorTileLayer& layer;
const BucketDescription& bucket_desc;
int32_t key = -1;
std::set<uint32_t> values;
};
class VectorTileLayer {
public:
VectorTileLayer(pbf data);
const pbf data;
std::string name;
uint32_t extent = 4096;
std::vector<std::string> keys;
std::vector<Value> values;
};
class VectorTile {
public:
VectorTile();
VectorTile(pbf data);
VectorTile& operator=(VectorTile&& other);
std::map<std::string, const VectorTileLayer> layers;
};
}
#endif
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