home/src/ranked_match.hh
2016-03-25 20:38:27 +00:00

46 lines
1.2 KiB
C++

#ifndef ranked_match_hh_INCLUDED
#define ranked_match_hh_INCLUDED
#include "string.hh"
namespace Kakoune
{
using UsedLetters = uint64_t;
UsedLetters used_letters(StringView str);
constexpr UsedLetters upper_mask = 0xFFFFFFC000000;
inline UsedLetters to_lower(UsedLetters letters)
{
return ((letters & upper_mask) >> 26) | (letters & (~upper_mask));
}
struct RankedMatch
{
RankedMatch(StringView candidate, StringView query);
RankedMatch(StringView candidate, UsedLetters candidate_letters,
StringView query, UsedLetters query_letters);
const StringView& candidate() const { return m_candidate; }
bool operator<(const RankedMatch& other) const;
bool operator==(const RankedMatch& other) const { return m_candidate == other.m_candidate; }
explicit operator bool() const { return not m_candidate.empty(); }
private:
template<typename TestFunc>
RankedMatch(StringView candidate, StringView query, TestFunc test);
StringView m_candidate;
bool m_first_char_match = false;
bool m_prefix = false;
int m_word_boundary_match_count = 0;
int m_match_index_sum = 0;
bool m_only_word_boundary = false;
};
}
#endif // ranked_match_hh_INCLUDED