1 files changed, 35 insertions, 0 deletions
diff --git a/extractor/linear_merger.h b/extractor/linear_merger.h
new file mode 100644
index 00000000..7bfb9246
--- /dev/null
+++ b/extractor/linear_merger.h
@@ -0,0 +1,35 @@
+#ifndef _LINEAR_MERGER_H_
+#define _LINEAR_MERGER_H_
+
+#include <memory>
+#include <vector>
+
+using namespace std;
+
+class MatchingComparator;
+class Phrase;
+class PhraseLocation;
+class DataArray;
+class Vocabulary;
+
+class LinearMerger {
+ public:
+  LinearMerger(shared_ptr<Vocabulary> vocabulary,
+               shared_ptr<DataArray> data_array,
+               shared_ptr<MatchingComparator> comparator);
+
+  virtual ~LinearMerger();
+
+  virtual void Merge(
+      vector<int>& locations, const Phrase& phrase, const Phrase& suffix,
+      vector<int>::iterator prefix_start, vector<int>::iterator prefix_end,
+      vector<int>::iterator suffix_start, vector<int>::iterator suffix_end,
+      int prefix_subpatterns, int suffix_subpatterns) const;
+
+ private:
+  shared_ptr<Vocabulary> vocabulary;
+  shared_ptr<DataArray> data_array;
+  shared_ptr<MatchingComparator> comparator;
+};
+
+#endif