| #include "lm/common/print.hh" |
| |
| #include "lm/common/ngram_stream.hh" |
| #include "util/file_stream.hh" |
| #include "util/file.hh" |
| #include "util/mmap.hh" |
| #include "util/scoped.hh" |
| |
| #include <sstream> |
| #include <cstring> |
| |
| namespace lm { |
| |
| VocabReconstitute::VocabReconstitute(int fd) { |
| uint64_t size = util::SizeOrThrow(fd); |
| util::MapRead(util::POPULATE_OR_READ, fd, 0, size, memory_); |
| const char *const start = static_cast<const char*>(memory_.get()); |
| const char *i; |
| for (i = start; i != start + size; i += strlen(i) + 1) { |
| map_.push_back(i); |
| } |
| // Last one for LookupPiece. |
| map_.push_back(i); |
| } |
| |
| namespace { |
| template <class Payload> void PrintLead(const VocabReconstitute &vocab, ProxyStream<Payload> &stream, util::FileStream &out) { |
| out << stream->Value().prob << '\t' << vocab.Lookup(*stream->begin()); |
| for (const WordIndex *i = stream->begin() + 1; i != stream->end(); ++i) { |
| out << ' ' << vocab.Lookup(*i); |
| } |
| } |
| } // namespace |
| |
| void PrintARPA::Run(const util::stream::ChainPositions &positions) { |
| VocabReconstitute vocab(vocab_fd_); |
| util::FileStream out(out_fd_); |
| out << "\\data\\\n"; |
| for (size_t i = 0; i < positions.size(); ++i) { |
| out << "ngram " << (i+1) << '=' << counts_[i] << '\n'; |
| } |
| out << '\n'; |
| |
| for (unsigned order = 1; order < positions.size(); ++order) { |
| out << "\\" << order << "-grams:" << '\n'; |
| for (ProxyStream<NGram<ProbBackoff> > stream(positions[order - 1], NGram<ProbBackoff>(NULL, order)); stream; ++stream) { |
| PrintLead(vocab, stream, out); |
| out << '\t' << stream->Value().backoff << '\n'; |
| } |
| out << '\n'; |
| } |
| |
| out << "\\" << positions.size() << "-grams:" << '\n'; |
| for (ProxyStream<NGram<Prob> > stream(positions.back(), NGram<Prob>(NULL, positions.size())); stream; ++stream) { |
| PrintLead(vocab, stream, out); |
| out << '\n'; |
| } |
| out << '\n'; |
| out << "\\end\\\n"; |
| } |
| |
| } // namespace lm |