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#ifndef MBGL_STYLE_CLASS_DICTIONARY
#define MBGL_STYLE_CLASS_DICTIONARY
#include <cstdint>
#include <string>
#include <unordered_map>
namespace mbgl {
enum class ClassID : uint32_t {
Fallback = 0, // These values are from the fallback properties
Default = 1, // These values are from the default style for a layer
Named = 2 // These values (and all subsequent IDs) are from a named style from the layer
};
class ClassDictionary {
private:
ClassDictionary();
public:
static ClassDictionary &Get();
// Returns an ID for a class name. If the class name does not yet have an ID, one is
// auto-generated and stored for future reference.
ClassID lookup(const std::string &class_name);
// Returns either Fallback, Default or Named, depending on the type of the class id.
ClassID normalize(ClassID id);
private:
std::unordered_map<std::string, ClassID> store = { { "", ClassID::Default } };
uint32_t offset = 0;
};
}
#endif
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