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#include "index_builder.hpp"
#include "features_vector.hpp"
#include "../defines.hpp"
#include "../coding/file_container.hpp"
namespace indexer
{
bool BuildIndexFromDatFile(string const & datFile, string const & tmpFile)
{
try
{
FilesContainerR readCont(datFile);
FeaturesVector featuresVector(readCont);
FilesContainerW writeCont(datFile, FileWriter::OP_APPEND);
FileWriter writer = writeCont.GetWriter(INDEX_FILE_TAG);
feature::DataHeader header;
header.Load(readCont.GetReader(HEADER_FILE_TAG));
BuildIndex(header.GetScale(header.GetScalesCount()-1) + 1, featuresVector, writer, tmpFile);
writer.Flush();
writeCont.Finish();
}
catch (Reader::OpenException const & e)
{
LOG(LERROR, (e.what(), " file is not found"));
return false;
}
catch (Reader::Exception const & e)
{
LOG(LERROR, ("Unknown error while reading file ", e.what()));
return false;
}
catch (Writer::Exception const & e)
{
LOG(LERROR, ("Error writing index file", e.what()));
}
#ifdef DEBUG
FilesContainerR readCont(datFile);
FilesContainerR::ReaderT r = readCont.GetReader(HEADER_FILE_TAG);
int64_t const base = ReadPrimitiveFromPos<int64_t>(r, 0);
LOG(LINFO, ("OFFSET = ", base));
#endif
return true;
}
} // namespace indexer
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