// Copyright 2020 The MACE Authors. All Rights Reserved.
//
// 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.

#ifndef MICRO_BASE_VALUE_TO_STR_H_
#define MICRO_BASE_VALUE_TO_STR_H_

#include <stdint.h>

namespace micro {
namespace base {

void ReverseInplace(char *start, char *end);

// for uint64_t/uint32_t/uint16_t/uint8_t
template<typename T>
char *ToString(T value, char *buffer, char *end) {
  char *start = buffer;
  end--;
  do {
    *buffer++ = '0' + (value % 10);
    value /= 10;
  } while (value > 0 && buffer < end);
  ReverseInplace(start, buffer);
  *buffer = '\0';

  return buffer;
}

template<>
char *ToString(int64_t value, char *buffer, char *end);

template<>
char *ToString(int32_t value, char *buffer, char *end);

template<>
char *ToString(int16_t value, char *buffer, char *end);

template<>
char *ToString(int8_t value, char *buffer, char *end);

template<>
char *ToString(const char *str, char *buffer, char *end);

template<>
char *ToString(float value, char *buffer, char *end);

}  // namespace base
}  // namespace micro

#endif  // MICRO_BASE_VALUE_TO_STR_H_