void PostingStream::write(const Posting &posting, double score) {
assert (score == 0);
posting.writeTo(out, baseDocID);
baseDocID = posting.getDocID();
end = out.tellp();
df ++;
}
void TmpPostingStream::write(const Posting &posting, double score) {
// cout << "tmp: " << baseDocID << endl;
posting.writeTo(fp, score, baseDocID);
baseDocID = posting.getDocID();
end = ftell(fp);
df ++;
}
string PostingStream::info() {
size_t current = this->current;
size_t baseDocID = this->baseDocID;
this->current = begin;
this->baseDocID = 0;
string res = "[";
while ( hasNext() ) {
Posting posting = next();
res += to_string(posting.getDocID());
res += ":";
res += to_string(posting.size() - sizeof(posting.getDocID()));
res += ";";
}
this->current = current;
this->baseDocID = baseDocID;
if ( res[res.length() - 1] == ';' ) res.erase(res.length() - 1);
res += "]";
return res;
}