Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 55 insertions, 0 deletions

diff --git a/helpcompiler/source/HelpSearch.cxx b/helpcompiler/source/HelpSearch.cxx
new file mode 100644
index 000000000..982e672c4
--- /dev/null
+++ b/helpcompiler/source/HelpSearch.cxx
@@ -0,0 +1,55 @@
+/* -*- 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: */