/usr/include/fst/extensions/far/create.h is in libfst-dev 1.6.3-2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | // See www.openfst.org for extensive documentation on this weighted
// finite-state transducer library.
//
// Creates a finite-state archive from component FSTs.
#ifndef FST_EXTENSIONS_FAR_CREATE_H_
#define FST_EXTENSIONS_FAR_CREATE_H_
#include <libgen.h>
#include <sstream>
#include <string>
#include <vector>
#include <fst/extensions/far/far.h>
namespace fst {
template <class Arc>
void FarCreate(const std::vector<string> &in_fnames, const string &out_fname,
const int32 generate_keys, const FarType &far_type,
const string &key_prefix, const string &key_suffix) {
std::unique_ptr<FarWriter<Arc>> far_writer(
FarWriter<Arc>::Create(out_fname, far_type));
if (!far_writer) return;
for (size_t i = 0; i < in_fnames.size(); ++i) {
std::unique_ptr<Fst<Arc>> ifst(Fst<Arc>::Read(in_fnames[i]));
if (!ifst) return;
string key;
if (generate_keys > 0) {
std::ostringstream keybuf;
keybuf.width(generate_keys);
keybuf.fill('0');
keybuf << i + 1;
key = keybuf.str();
} else {
auto *filename = new char[in_fnames[i].size() + 1];
strcpy(filename, in_fnames[i].c_str());
key = basename(filename);
delete[] filename;
}
far_writer->Add(key_prefix + key + key_suffix, *ifst);
}
}
} // namespace fst
#endif // FST_EXTENSIONS_FAR_CREATE_H_
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