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#ifndef _GRAMMAR_EXTRACTOR_H_
#define _GRAMMAR_EXTRACTOR_H_
#include <string>
#include <vector>
#include "rule_factory.h"
using namespace std;
class Alignment;
class DataArray;
class Grammar;
class Precomputation;
class Rule;
class SuffixArray;
class Vocabulary;
class GrammarExtractor {
public:
GrammarExtractor(
shared_ptr<SuffixArray> source_suffix_array,
shared_ptr<DataArray> target_data_array,
shared_ptr<Alignment> alignment,
shared_ptr<Precomputation> precomputation,
shared_ptr<Scorer> scorer,
int min_gap_size,
int max_rule_span,
int max_nonterminals,
int max_rule_symbols,
int max_samples,
bool use_baeza_yates,
bool require_tight_phrases);
Grammar GetGrammar(const string& sentence);
private:
vector<int> AnnotateWords(const vector<string>& words);
shared_ptr<Vocabulary> vocabulary;
HieroCachingRuleFactory rule_factory;
};
#endif
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