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// fstencode.cc
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Copyright 2005-2010 Google, Inc.
// Author: riley@google.com (Michael Riley)
// Modified: jpr@google.com (Jake Ratkiewicz) to use FstClass
//
// \file
// Encode transducer labels and/or weights.
//
#include <fst/script/encode.h>
#include <fst/script/decode.h>
/// EncodeMain specific flag definitions
DEFINE_bool(encode_labels, false, "Encode output labels");
DEFINE_bool(encode_weights, false, "Encode weights");
DEFINE_bool(encode_reuse, false, "Re-use existing codex");
DEFINE_bool(decode, false, "Decode labels and/or weights");
int main(int argc, char **argv) {
namespace s = fst::script;
using fst::script::FstClass;
using fst::script::MutableFstClass;
string usage = "Encodes transducer labels and/or weights.\n\n Usage: ";
usage += argv[0];
usage += " in.fst codex [out.fst]\n";
std::set_new_handler(FailedNewHandler);
SET_FLAGS(usage.c_str(), &argc, &argv, true);
if (argc < 3 || argc > 4) {
ShowUsage();
return 1;
}
string in_name = (strcmp(argv[1], "-") != 0) ? argv[1] : "";
string codex_name = argv[2];
string out_name = argc > 3 ? argv[3] : "";
MutableFstClass *fst = MutableFstClass::Read(in_name, true);
if (!fst) return 1;
if (FLAGS_decode == false) {
uint32 flags = 0;
flags |= FLAGS_encode_labels ? fst::kEncodeLabels : 0;
flags |= FLAGS_encode_weights ? fst::kEncodeWeights : 0;
s::Encode(fst, flags, FLAGS_encode_reuse, codex_name);
fst->Write(out_name);
} else {
s::Decode(fst, codex_name);
fst->Write(out_name);
}
delete fst;
return 0;
}
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