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https://github.com/moses-smt/mosesdecoder.git
synced 2024-12-28 06:22:14 +03:00
37 lines
1.8 KiB
C++
37 lines
1.8 KiB
C++
#include "lm/builder/print.hh"
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#include "lm/word_index.hh"
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#include "util/file.hh"
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#include "util/read_compressed.hh"
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#include <boost/lexical_cast.hpp>
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#include <iostream>
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#include <vector>
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int main(int argc, char *argv[]) {
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if (argc != 4) {
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std::cerr << "Usage: " << argv[0] << " counts vocabulary order\n"
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"The counts file contains records with 4-byte vocabulary ids followed by 8-byte\n"
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"counts. Each record has order many vocabulary ids.\n"
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"The vocabulary file contains the words delimited by NULL in order of id.\n"
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"The vocabulary file may not be compressed because it is mmapped but the counts\n"
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"file can be compressed.\n";
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return 1;
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}
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util::ReadCompressed counts(util::OpenReadOrThrow(argv[1]));
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util::scoped_fd vocab_file(util::OpenReadOrThrow(argv[2]));
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lm::builder::VocabReconstitute vocab(vocab_file.get());
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unsigned int order = boost::lexical_cast<unsigned int>(argv[3]);
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std::vector<char> record(sizeof(uint32_t) * order + sizeof(uint64_t));
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while (std::size_t got = counts.ReadOrEOF(&*record.begin(), record.size())) {
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UTIL_THROW_IF(got != record.size(), util::Exception, "Read " << got << " bytes at the end of file, which is not a complete record of length " << record.size());
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const lm::WordIndex *words = reinterpret_cast<const lm::WordIndex*>(&*record.begin());
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for (const lm::WordIndex *i = words; i != words + order; ++i) {
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UTIL_THROW_IF(*i >= vocab.Size(), util::Exception, "Vocab ID " << *i << " is larger than the vocab file's maximum of " << vocab.Size() << ". Are you sure you have the right order and vocab file for these counts?");
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std::cout << vocab.Lookup(*i) << ' ';
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}
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// TODO don't use std::cout because it is slow. Add fast uint64_t printing support to FakeOFStream.
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std::cout << *reinterpret_cast<const uint64_t*>(words + order) << '\n';
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}
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}
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