/**
 * Copyright (c) 2025 Huawei Technologies Co., Ltd.
 * This program is free software, you can redistribute it and/or modify it under the terms and conditions of
 * CANN Open Software License Agreement Version 2.0 (the "License").
 * Please refer to the License for details. You may not use this file except in compliance with the License.
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
 * See LICENSE in the root of the software repository for the full text of the License.
 */

#include "acl_string_utils.h"

namespace acl {
void StringUtils::Split(const std::string &str, const char_t delim, std::vector<std::string> &elems) {
  elems.clear();
  if (str.empty()) {
    elems.emplace_back("");
    return;
  }

  std::stringstream ss(str);
  std::string item;

  while (getline(ss, item, delim)) {
    elems.push_back(item);
  }

  const auto strSize = str.size();
  if ((strSize > 0U) && (str[strSize - 1U] == delim)) {
    elems.emplace_back("");
  }
}

void StringUtils::Trim(std::string &str) {
  if (str.empty()) {
    return;
  }
  (void)str.erase(0U, str.find_first_not_of(" "));
  (void)str.erase(str.find_last_not_of(" ") + 1U);
}

void StringUtils::Strip(std::string &str, const std::string &sep) {
  if (str.empty()) {
    return;
  }
  (void)str.erase(0U, str.find_first_not_of(sep));
  (void)str.erase(str.find_last_not_of(sep) + 1U);
}

bool StringUtils::IsDigit(const std::string &str) {
  if (str.empty()) {
    return false;
  }

  for (const char_t &c : str) {
    if (isdigit(static_cast<int32_t>(c)) == 0) {
      return false;
    }
  }
  return true;
}
}  // namespace acl