1 files changed, 41 insertions, 0 deletions
diff --git a/extractor/phrase.h b/extractor/phrase.h
new file mode 100644
index 00000000..f40a8169
--- /dev/null
+++ b/extractor/phrase.h
@@ -0,0 +1,41 @@
+#ifndef _PHRASE_H_
+#define _PHRASE_H_
+
+#include <iostream>
+#include <string>
+#include <vector>
+
+#include "phrase_builder.h"
+
+using namespace std;
+
+class Phrase {
+ public:
+  friend Phrase PhraseBuilder::Build(const vector<int>& phrase);
+
+  int Arity() const;
+
+  int GetChunkLen(int index) const;
+
+  vector<int> Get() const;
+
+  int GetSymbol(int position) const;
+
+  //TODO(pauldb): Unit test this method.
+  int GetNumSymbols() const;
+
+  //TODO(pauldb): Add unit tests.
+  vector<string> GetWords() const;
+
+  //TODO(pauldb): Add unit tests.
+  int operator<(const Phrase& other) const;
+
+  friend ostream& operator<<(ostream& os, const Phrase& phrase);
+
+ private:
+  vector<int> symbols;
+  vector<int> var_pos;
+  vector<string> words;
+};
+
+#endif