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/*
* Copyright 2006 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkBase64_DEFINED
#define SkBase64_DEFINED
#include "include/core/SkTypes.h"
#include <cstddef>
struct SkBase64 {
public:
enum Error {
kNoError,
kPadError,
kBadCharError
};
/**
Base64 encodes src into dst.
Normally this is called once with 'dst' nullptr to get the required size, then again with an
allocated 'dst' pointer to do the actual encoding.
@param dst nullptr or a pointer to a buffer large enough to receive the result
@param encode nullptr for default encoding or a pointer to at least 65 chars.
encode[64] will be used as the pad character.
Encodings other than the default encoding cannot be decoded.
@return the required length of dst for encoding.
*/
static size_t Encode(const void* src, size_t length, void* dst, const char* encode = nullptr);
/**
Base64 decodes src into dst.
Normally this is called once with 'dst' nullptr to get the required size, then again with an
allocated 'dst' pointer to do the actual encoding.
@param dst nullptr or a pointer to a buffer large enough to receive the result
@param dstLength assigned the length dst is required to be. Must not be nullptr.
*/
static Error SK_WARN_UNUSED_RESULT Decode(const void* src, size_t srcLength,
void* dst, size_t* dstLength);
};
#endif // SkBase64_DEFINED
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