// sherpa-onnx/csrc/text-utils.cc
//
// Copyright 2009-2011  Saarland University;  Microsoft Corporation
// Copyright      2023  Xiaomi Corporation

#include "sherpa-onnx/csrc/text-utils.h"

#include <string>
#include <vector>

// This file is copied/modified from
// https://github.com/kaldi-asr/kaldi/blob/master/src/util/text-utils.cc

namespace sherpa_onnx {

void SplitStringToVector(const std::string &full, const char *delim,
                         bool omit_empty_strings,
                         std::vector<std::string> *out) {
  size_t start = 0, found = 0, end = full.size();
  out->clear();
  while (found != std::string::npos) {
    found = full.find_first_of(delim, start);
    // start != end condition is for when the delimiter is at the end
    if (!omit_empty_strings || (found != start && start != end))
      out->push_back(full.substr(start, found - start));
    start = found + 1;
  }
}

}  // namespace sherpa_onnx