base64.h 1.1 KB

12345678910111213141516171819202122232425262728293031323334353637
  1. // Copyright (c) 2011 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #ifndef BASE_BASE64_H_
  5. #define BASE_BASE64_H_
  6. #include <stdint.h>
  7. #include <string>
  8. #include <vector>
  9. #include "base/base_export.h"
  10. #include "base/containers/span.h"
  11. #include "base/strings/string_piece.h"
  12. #include "third_party/abseil-cpp/absl/types/optional.h"
  13. namespace base {
  14. // Encodes the input binary data in base64.
  15. BASE_EXPORT std::string Base64Encode(span<const uint8_t> input);
  16. // Encodes the input string in base64.
  17. BASE_EXPORT void Base64Encode(StringPiece input, std::string* output);
  18. // Decodes the base64 input string. Returns true if successful and false
  19. // otherwise. The output string is only modified if successful. The decoding can
  20. // be done in-place.
  21. BASE_EXPORT bool Base64Decode(StringPiece input, std::string* output);
  22. // Decodes the base64 input string. Returns `absl::nullopt` if unsuccessful.
  23. BASE_EXPORT absl::optional<std::vector<uint8_t>> Base64Decode(
  24. StringPiece input);
  25. } // namespace base
  26. #endif // BASE_BASE64_H_