#ifndef NFC_SETS_HH
#define NFC_SETS_HH

#include <set>
#include <map>

// These data structures are filled by code generated automatically
// from Unicode's DerivedNormalizationProps.txt and UnicodeData.txt.
// see scripts/ subdirectory

// TODO: (maybe) Replace them by flat_map or sorted arrays, because these might be faster. But make benchmarks first!

// Contains all codepoints with NFC_No property.
extern const std::set<unsigned> NFC_No;

// Contains all codepoints with NFC_Maybe property.
extern const std::set<unsigned> NFC_Maybe;

// Contains CanonicalCombiningClass for given codepoints. All others have value 0.
extern const std::map<unsigned, unsigned char> NFC_CombiningClass;

// Contains the canonical decomposing pairs. second member might be -1 for single decompositions.
extern const std::map<unsigned, std::pair<int,int>> NFC_Decompose;

// canonical composing mapping, except excluded ones according to Unicode TR-15
extern const std::map< std::pair<unsigned, unsigned>, unsigned> NFC_Compose;

#endif // NFC_SETS_HH