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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <helpcompiler/HelpSearch.hxx>
#include <osl/file.hxx>
#include <osl/thread.hxx>
#include "LuceneHelper.hxx"
#include <CLucene.h>
HelpSearch::HelpSearch(OUString const &indexDir)
{
OUString ustrSystemPath;
osl::File::getSystemPathFromFileURL(indexDir, ustrSystemPath);
d_indexDir = OUStringToOString(ustrSystemPath, osl_getThreadTextEncoding());
}
void HelpSearch::query(OUString const &queryStr, bool captionOnly,
std::vector<OUString> &rDocuments, std::vector<float> &rScores) {
lucene::index::IndexReader *reader = lucene::index::IndexReader::open(d_indexDir.getStr());
lucene::search::IndexSearcher searcher(reader);
const TCHAR* field = captionOnly ? L"caption" : L"content";
bool isWildcard = queryStr[queryStr.getLength() - 1] == L'*';
std::vector<TCHAR> aQueryStr(OUStringToTCHARVec(queryStr));
lucene::search::Query *pQuery;
if (isWildcard)
pQuery = _CLNEW lucene::search::WildcardQuery(_CLNEW lucene::index::Term(field, aQueryStr.data()));
else
pQuery = _CLNEW lucene::search::TermQuery(_CLNEW lucene::index::Term(field, aQueryStr.data()));
lucene::search::Hits *hits = searcher.search(pQuery);
for (size_t i = 0; i < hits->length(); ++i) {
lucene::document::Document &doc = hits->doc(i); // Document* belongs to Hits.
wchar_t const *path = doc.get(L"path");
rDocuments.push_back(TCHARArrayToOUString(path != nullptr ? path : L""));
rScores.push_back(hits->score(i));
}
_CLDELETE(hits);
_CLDELETE(pQuery);
reader->close();
_CLDELETE(reader);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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