From 4ab84a0be28fdb6c0c421fe5ba5e09cfa298f2d1 Mon Sep 17 00:00:00 2001
From: Paul Baltescu <pauldb89@gmail.com>
Date: Mon, 28 Jan 2013 11:56:31 +0000
Subject: Initial working commit.

---
 extractor/intersector.h | 57 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 extractor/intersector.h

(limited to 'extractor/intersector.h')

diff --git a/extractor/intersector.h b/extractor/intersector.h
new file mode 100644
index 00000000..874ffc1b
--- /dev/null
+++ b/extractor/intersector.h
@@ -0,0 +1,57 @@
+#ifndef _INTERSECTOR_H_
+#define _INTERSECTOR_H_
+
+#include <memory>
+#include <tr1/unordered_map>
+#include <vector>
+
+#include <boost/functional/hash.hpp>
+
+#include "binary_search_merger.h"
+#include "linear_merger.h"
+
+using namespace std;
+using namespace tr1;
+
+typedef boost::hash<vector<int> > vector_hash;
+typedef unordered_map<vector<int>, vector<int>, vector_hash> Index;
+
+class DataArray;
+class MatchingComparator;
+class Phrase;
+class PhraseLocation;
+class Precomputation;
+class SuffixArray;
+class Vocabulary;
+
+class Intersector {
+ public:
+  Intersector(
+      shared_ptr<Vocabulary> vocabulary,
+      const Precomputation& precomputaiton,
+      shared_ptr<SuffixArray> source_suffix_array,
+      shared_ptr<MatchingComparator> comparator,
+      bool use_baeza_yates);
+
+  PhraseLocation Intersect(
+      const Phrase& prefix, PhraseLocation& prefix_location,
+      const Phrase& suffix, PhraseLocation& suffix_location,
+      const Phrase& phrase);
+
+ private:
+  vector<int> Convert(const vector<int>& old_phrase,
+      shared_ptr<DataArray> source_data_array);
+
+  void ExtendPhraseLocation(const Phrase& phrase,
+      PhraseLocation& phrase_location);
+
+  shared_ptr<Vocabulary> vocabulary;
+  shared_ptr<SuffixArray> suffix_array;
+  shared_ptr<LinearMerger> linear_merger;
+  shared_ptr<BinarySearchMerger> binary_search_merger;
+  Index inverted_index;
+  Index collocations;
+  bool use_baeza_yates;
+};
+
+#endif
-- 
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