The Annoyance Filter.pdf - Fourmilab

§32 ANNOYANCE-FILTER FAST DICTIONARY 35
{
#ifdef HAVE_MMAP
if (dp ≠ Λ) {
munmap(dp, fileLength );
close (fileHandle );
}
#else
if (dblock ≠ Λ) {
delete dblock ;
}
#endif
}
bool load (const string fname );
bool isDictionaryLoaded (void)
{
return dblock ≠ Λ;
}
double find (const string &target ) const;
void describe (ostream &os = cout ) const
{
if (dblock ≠ Λ) {
os ≪ "Total␣size␣of␣fast␣dictionary␣is␣" ≪ totalSize ≪ endl ;
os ≪ "Hash␣table␣offset:␣" ≪ hashTableOffset ≪ endl ;
os ≪ "Hash␣table␣buckets:␣" ≪ hashTableBuckets ≪ endl ;
os ≪ "Word␣table␣size:␣" ≪ wordTableSize ≪ endl ;
}
else {
os ≪ "No␣fast␣dictionary␣is␣loaded." ≪ endl ;
}
}
static void exportDictionary (const dictionary &d, ostream &o);
static void exportDictionary (const dictionary &d, const string fname );
};