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#ifndef _AGRAMMAR_H_
#define _AGRAMMAR_H_
#include "grammar.h"
using namespace std;
class aTGImpl;
struct aTextGrammar : public Grammar {
aTextGrammar();
aTextGrammar(const std::string& file);
void SetMaxSpan(int m) { max_span_ = m; }
virtual const GrammarIter* GetRoot() const;
void AddRule(const TRulePtr& rule);
void ReadFromFile(const std::string& filename);
virtual bool HasRuleForSpan(int i, int j, int distance) const;
const std::vector<TRulePtr>& GetUnaryRules(const WordID& cat) const;
void setMaxSplit(int max_split);
void printAllNonterminals() const;
void addNonterminal(WordID wordID);
void splitAllNonterminals();
void splitNonterminal(WordID wordID);
// inline map<WordID, vector<WordID> > & getSplitNonterminals(){return splitNonterminals_;}
// map<WordID, vector<WordID> > splitNonterminals_;
private:
int max_span_;
boost::shared_ptr<aTGImpl> pimpl_;
int max_split_;
map<WordID, int> nonterminals_; //list of nonterminals of the grammar if nonterminals_[WordID] > 0 the nonterminal WordID is found in the grammar
};
#endif
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