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wpiutil/src/main/native/include/wpi/util/Base64.hpp

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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 <stdint.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_