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Diffstat (limited to 'src/mongo/db/fts/fts_query.h')
-rw-r--r-- | src/mongo/db/fts/fts_query.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/mongo/db/fts/fts_query.h b/src/mongo/db/fts/fts_query.h new file mode 100644 index 00000000000..7022760b3a7 --- /dev/null +++ b/src/mongo/db/fts/fts_query.h @@ -0,0 +1,80 @@ +// fts_query.h + +/** +* Copyright (C) 2012 10gen Inc. +* +* This program is free software: you can redistribute it and/or modify +* it under the terms of the GNU Affero General Public License, version 3, +* as published by the Free Software Foundation. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU Affero General Public License for more details. +* +* You should have received a copy of the GNU Affero General Public License +* along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#pragma once + +#include <string> +#include <vector> + +#include "mongo/base/status.h" +#include "mongo/db/fts/stemmer.h" +#include "mongo/db/fts/stop_words.h" +#include "mongo/platform/unordered_set.h" +#include "mongo/util/stringutils.h" + +namespace mongo { + + namespace fts { + + using std::string; + using std::vector; + using std::set; + + class FTSQuery { + + public: + Status parse(const string& query, const string& language); + + const vector<string>& getTerms() const { return _terms; } + const unordered_set<string>& getNegatedTerms() const { return _negatedTerms; } + + const vector<string>& getPhr() const { return _phrases; } + const vector<string>& getNegatedPhr() const { return _negatedPhrases; } + + /** + * @return true if any negations or phrase + or - + */ + bool hasNonTermPieces() const { + return + _negatedTerms.size() > 0 || + _phrases.size() > 0 || + _negatedPhrases.size() > 0; + } + + string getSearch() const { return _search; } + string getLanguage() const { return _language; } + + string toString() const; + + string debugString() const; + + protected: + string _search; + string _language; + vector<string> _terms; + unordered_set<string> _negatedTerms; + vector<string> _phrases; + vector<string> _negatedPhrases; + + private: + void _addTerm( const StopWords* sw, Stemmer& stemmer, const string& term, bool negated ); + }; + + } +} + |