| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "flutter/fml/base32.h" |
| |
| #include <cstdint> // uint8_t |
| #include <string> |
| |
| namespace fml { |
| |
| static constexpr char kEncoding[] = "0123456789abcdef"; |
| |
| std::string HexEncode(std::string_view input) { |
| std::string result; |
| result.reserve(input.size() * 2); |
| for (char c : input) { |
| uint8_t b = static_cast<uint8_t>(c); |
| result.push_back(kEncoding[b >> 4]); |
| result.push_back(kEncoding[b & 0xF]); |
| } |
| return result; |
| } |
| |
| } // namespace fml |
