heron/common/src/cpp/basics/strutils.cpp

/*
 * Copyright 2015 Twitter, Inc.
 *
 * 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.
 */

#include "basics/strutils.h"
#include <cstring>
#include <string>
#include <sstream>
#include <vector>

std::vector<std::string>
StrUtils::split(
  const std::string&         input,
  const std::string&         delim) {
  size_t                    start_pos = 0, pos = 0;
  std::string               atoken;
  std::vector<std::string>  tokens;

  while ((pos = input.find(delim, start_pos)) != std::string::npos) {
    atoken = input.substr(start_pos, pos - start_pos);
    tokens.push_back(atoken);
    start_pos = pos + delim.length();
  }

  if (input.size() > start_pos) {
    atoken = input.substr(start_pos, std::string::npos);
    tokens.push_back(atoken);
  }

  return tokens;
}