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#ifndef _VOCABULARY_H_
#define _VOCABULARY_H_
#include <string>
#include <unordered_map>
#include <vector>
using namespace std;
namespace extractor {
class Vocabulary {
public:
virtual ~Vocabulary();
virtual int GetTerminalIndex(const string& word);
int GetNonterminalIndex(int position);
bool IsTerminal(int symbol);
virtual string GetTerminalValue(int symbol);
int Size();
private:
unordered_map<string, int> dictionary;
vector<string> words;
};
} // namespace extractor
#endif
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