1 files changed, 23 insertions, 0 deletions
diff --git a/extractor/matching_comparator.h b/extractor/matching_comparator.h
new file mode 100644
index 00000000..6e1bb487
--- /dev/null
+++ b/extractor/matching_comparator.h
@@ -0,0 +1,23 @@
+#ifndef _MATCHING_COMPARATOR_H_
+#define _MATCHING_COMPARATOR_H_
+
+#include <memory>
+
+using namespace std;
+
+class Vocabulary;
+class Matching;
+
+class MatchingComparator {
+ public:
+  MatchingComparator(int min_gap_size, int max_rule_span);
+
+  int Compare(const Matching& left, const Matching& right,
+              int last_chunk_len, bool offset) const;
+
+ private:
+  int min_gap_size;
+  int max_rule_span;
+};
+
+#endif