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#ifndef __INDEX_HEADER_HPP__
#define __INDEX_HEADER_HPP__
#include "spdlog/spdlog.h"
#include <cereal/types/string.hpp>
// The different types of indices supported
enum class IndexType : uint8_t {
PSEUDO = 0,
QUASI,
INVALID
};
class IndexHeader {
public:
IndexHeader () : type_(IndexType::INVALID), versionString_("invalid"), usesKmers_(false), kmerLen_(0), perfectHash_(false) {}
IndexHeader(IndexType typeIn, const std::string& versionStringIn,
bool usesKmersIn, uint32_t kmerLenIn, bool bigSA = false, bool perfectHash = false):
type_(typeIn), versionString_(versionStringIn),
usesKmers_(usesKmersIn), kmerLen_(kmerLenIn), bigSA_(bigSA),
perfectHash_(perfectHash) {}
template <typename Archive>
void save(Archive& ar) const {
ar( cereal::make_nvp("IndexType", type_) );
ar( cereal::make_nvp("IndexVersion", versionString_) );
ar( cereal::make_nvp("UsesKmers", usesKmers_) );
ar( cereal::make_nvp("KmerLen", kmerLen_) );
ar( cereal::make_nvp("BigSA", bigSA_) );
ar( cereal::make_nvp("PerfectHash", perfectHash_) );
}
template <typename Archive>
void load(Archive& ar) {
try {
ar( cereal::make_nvp("IndexType", type_) );
ar( cereal::make_nvp("IndexVersion", versionString_) );
ar( cereal::make_nvp("UsesKmers", usesKmers_) );
ar( cereal::make_nvp("KmerLen", kmerLen_) );
ar( cereal::make_nvp("BigSA", bigSA_) );
ar( cereal::make_nvp("PerfectHash", perfectHash_) );
} catch (const cereal::Exception& e) {
auto cerrLog = spdlog::get("stderrLog");
cerrLog->error("Encountered exception [{}] when loading index.", e.what());
cerrLog->error("The index was likely build with an older (and incompatible) "
"version of RapMap. Please re-build the index with a compatible version.");
cerrLog->flush();
std::exit(1);
}
}
IndexType indexType() const { return type_; }
std::string version() const { return versionString_; }
bool usesKmers() const { return usesKmers_; }
uint32_t kmerLen() const { return kmerLen_; }
bool bigSA() const { return bigSA_; }
bool perfectHash() const { return perfectHash_; }
private:
// The type of index we have
IndexType type_;
// The version string for the index
std::string versionString_;
// True if this index makes use of k-mers false otherwise
// (currently, all supported indices use k-mers in some form)
bool usesKmers_;
// The length of k-mer used by the index
uint32_t kmerLen_;
// Do we have a 64-bit suffix array or not
bool bigSA_;
// Are we using a perfect hash in the index or not?
bool perfectHash_;
};
#endif // __INDEX_HEADER_HPP__
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