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/*  FBXUtil.h                                                            */
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/*
Open Asset Import Library (assimp)
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Copyright (c) 2006-2019, assimp team


All rights reserved.

Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
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  copyright notice, this list of conditions and the
  following disclaimer.

* Redistributions in binary form must reproduce the above
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  following disclaimer in the documentation and/or other
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* Neither the name of the assimp team, nor the names of its
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  derived from this software without specific prior
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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*/

/** @file  FBXUtil.h
 *  @brief FBX utility functions for internal use
 */
#ifndef FBX_UTIL_H
#define FBX_UTIL_H

#include "FBXTokenizer.h"
#include <stdint.h>

namespace FBXDocParser {

namespace Util {

/** Get a string representation for a #TokenType. */
const char *TokenTypeString(TokenType t);

/** Decode a single Base64-encoded character.
 *
 *  @param ch Character to decode (from base64 to binary).
 *  @return decoded byte value*/
uint8_t DecodeBase64(char ch);

/** Compute decoded size of a Base64-encoded string
 *
 *  @param in Characters to decode.
 *  @param inLength Number of characters to decode.
 *  @return size of the decoded data (number of bytes)*/
size_t ComputeDecodedSizeBase64(const char *in, size_t inLength);

/** Decode a Base64-encoded string
 *
 *  @param in Characters to decode.
 *  @param inLength Number of characters to decode.
 *  @param out Pointer where we will store the decoded data.
 *  @param maxOutLength Size of output buffer.
 *  @return size of the decoded data (number of bytes)*/
size_t DecodeBase64(const char *in, size_t inLength, uint8_t *out, size_t maxOutLength);

char EncodeBase64(char byte);

/** Encode bytes in base64-encoding
 *
 *  @param data Binary data to encode.
 *  @param inLength Number of bytes to encode.
 *  @return base64-encoded string*/
std::string EncodeBase64(const char *data, size_t length);
} // namespace Util
} // namespace FBXDocParser

#endif // FBX_UTIL_H