class PostingListBuilder {
public:
inline void add_docid(uint32_t docid);
+ inline void add_first_docid(uint32_t docid);
void finish();
string encoded;
return;
}
- if (num_docids == 0) {
- // Very first docid.
- write_header(docid);
- ++num_docids;
- last_docid = docid;
- return;
- }
+ assert(num_docids != 0);
pending_deltas.push_back(docid - last_docid - 1);
last_docid = docid;
++num_docids;
}
+void PostingListBuilder::add_first_docid(uint32_t docid)
+{
+ write_header(docid);
+ ++num_docids;
+ last_docid = docid;
+}
+
void PostingListBuilder::finish()
{
if (pending_deltas.empty()) {
}
size_t num_files_seen() const override { return num_files; }
PostingListBuilder &get_pl_builder(uint32_t trgm)
+ {
+ return *invindex[trgm];
+ }
+
+ void add_docid(uint32_t trgm, uint32_t docid)
{
if (invindex[trgm] == nullptr) {
invindex[trgm] = new PostingListBuilder;
+ invindex[trgm]->add_first_docid(docid);
+ } else {
+ invindex[trgm]->add_docid(docid);
}
- return *invindex[trgm];
}
size_t num_trigrams() const;
if (s.size() >= 3) {
for (size_t j = 0; j < s.size() - 2; ++j) {
uint32_t trgm = read_trigram(s, j);
- get_pl_builder(trgm).add_docid(docid);
+ add_docid(trgm, docid);
}
}
ptr += s.size() + 1;