void LocalMailFolder::loadIndex()
{
// debug
//qDebug("mailfolder: [%s] is reading index...", (const char *)name());
IndexClass *tindex = 0L;
QFile f(getIndexFileName());
QDataStream stream(&f);
// check index version number
if (f.open(IO_ReadOnly)) {
QString idxExpectedVersion(AQ_VERSION);
QString idxVersion;
stream>>idxVersion;
if (idxExpectedVersion!=idxVersion) {
qDebug("Folder %s attempted to read an older version or invalid index\
cache, discarding index...", (const char *)name());
} else {
static std::vector<FastInterval> buildIndex(std::string const & filename, uint64_t const steps = 1)
{
std::string const indexfilename = getIndexFileName(filename,steps);
if ( ::libmaus2::util::GetFileSize::fileExists ( indexfilename ) )
{
libmaus2::aio::InputStreamInstance istr(indexfilename);
std::vector < FastInterval > intervals = ::libmaus2::fastx::FastInterval::deserialiseVector(istr);
return intervals;
}
else
{
reader_type reader(filename);
std::vector<FastInterval> intervals = reader.enumerateOffsets(steps);
libmaus2::aio::OutputStreamInstance ostr(indexfilename);
FastInterval::serialiseVector(ostr,intervals);
ostr.flush();
return intervals;
}
}