tris/recoll
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

hldata generation during query processing: increase slack if position increases faster than term count (cjk)

Browse Source
This commit is contained in:
Jean-Francois Dockes 2019-07-06 08:28:05 +02:00
parent 6cd2c9e2ca
commit fae0621d76
1 changed files with 4 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
src/rcldb/searchdatatox.cpp
View File

@ -540,40 +540,6 @@ bool SearchDataClauseSimple::expandTerm(Rcl::Db &db,
return true;
}
// Do distribution of string vectors: a,b c,d -> a,c a,d b,c b,d
void multiply_groups(vector<vector<string> >::const_iterator vvit,
vector<vector<string> >::const_iterator vvend,
vector<string>& comb,
vector<vector<string> >&allcombs)
{
// Remember my string vector and compute next, for recursive calls.
vector<vector<string> >::const_iterator myvit = vvit++;
// Walk the string vector I'm called upon and, for each string,
// add it to current result, an call myself recursively on the
// next string vector. The last call (last element of the vector of
// vectors), adds the elementary result to the output
// Walk my string vector
for (vector<string>::const_iterator strit = (*myvit).begin();
strit != (*myvit).end(); strit++) {
// Add my current value to the string vector we're building
comb.push_back(*strit);
if (vvit == vvend) {
// Last call: store current result
allcombs.push_back(comb);
} else {
// Call recursively on next string vector
multiply_groups(vvit, vvend, comb, allcombs);
}
// Pop the value I just added (make room for the next element in my
// vector)
comb.pop_back();
}
}
static void prefix_vector(vector<string>& v, const string& prefix)
{
for (vector<string>::iterator it = v.begin(); it != v.end(); it++) {
@ -740,6 +706,10 @@ void SearchDataClauseSimple::processPhraseOrNear(Rcl::Db &db, string& ermsg,
HighlightData::TermGroup tg;
tg.orgroups = groups;
tg.slack = slack;
if (splitData->lastpos() > splitData->alltermcount()) {
// Adjust for multiple pos per span (e.g. cjk)
tg.slack += splitData->lastpos() - splitData->alltermcount();
}
tg.grpsugidx = m_hldata.ugroups.size() - 1;
tg.kind = (op == Xapian::Query::OP_PHRASE) ?
HighlightData::TermGroup::TGK_PHRASE :