Base64.h

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// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
 
#ifndef WPIUTIL_WPI_BASE64_H_
#define WPIUTIL_WPI_BASE64_H_
 
#include <cstddef>
#include <span>
#include <string>
#include <string_view>
#include <vector>
 
namespace wpi {
template <typename T>
class SmallVectorImpl;
class raw_ostream;
 
size_t Base64Decode(raw_ostream& os, std::string_view encoded);
 
size_t Base64Decode(std::string_view encoded, std::string* plain);
 
std::string_view Base64Decode(std::string_view encoded, size_t* num_read,
                              SmallVectorImpl<char>& buf);
 
size_t Base64Decode(std::string_view encoded, std::vector<uint8_t>* plain);
 
std::span<uint8_t> Base64Decode(std::string_view encoded, size_t* num_read,
                                SmallVectorImpl<uint8_t>& buf);
 
void Base64Encode(raw_ostream& os, std::string_view plain);
 
void Base64Encode(std::string_view plain, std::string* encoded);
 
std::string_view Base64Encode(std::string_view plain,
                              SmallVectorImpl<char>& buf);
 
void Base64Encode(raw_ostream& os, std::span<const uint8_t> plain);
 
void Base64Encode(std::span<const uint8_t> plain, std::string* encoded);
 
std::string_view Base64Encode(std::span<const uint8_t> plain,
                              SmallVectorImpl<char>& buf);
 
}  // namespace wpi
 
#endif  // WPIUTIL_WPI_BASE64_H_