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#include "lm/read_arpa.hh"
#include "util/file_piece.hh"
#include <vector>
#include <stdint.h>
namespace util { namespace stream { class ChainPositions; } }
namespace lm {
namespace ngram {
template <class T> class GrowableVocab;
class WriteUniqueWords;
} // namespace ngram
namespace interpolate {
class ARPAToStream {
public:
// Takes ownership of fd.
explicit ARPAToStream(int fd, ngram::GrowableVocab<ngram::WriteUniqueWords> &vocab);
std::size_t Order() const { return counts_.size(); }
const std::vector<uint64_t> &Counts() const { return counts_; }
void Run(const util::stream::ChainPositions &positions);
private:
util::FilePiece in_;
std::vector<uint64_t> counts_;
ngram::GrowableVocab<ngram::WriteUniqueWords> &vocab_;
};
}} // namespaces
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