SERVER-380: Experimental text search indexing

1 files changed, 48 insertions, 0 deletions

diff --git a/src/mongo/db/fts/stemmer.h b/src/mongo/db/fts/stemmer.h
new file mode 100644
index 00000000000..d212cc01fce
--- /dev/null
+++ b/src/mongo/db/fts/stemmer.h
@@ -0,0 +1,48 @@
+// stemmer.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 "libstemmer.h"
+
+#include "mongo/base/string_data.h"
+
+namespace mongo {
+
+    namespace fts {
+
+        /**
+         * maintains case
+         * but works
+         * running/Running -> run/Run
+         */
+        class Stemmer {
+        public:
+            Stemmer( const std::string& language );
+            ~Stemmer();
+
+            std::string stem( const StringData& word ) const;
+        private:
+            struct sb_stemmer* _stemmer;
+        };
+    }
+}
+