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diff --git a/modules/fbx/fbx_parser/FBXUtil.cpp b/modules/fbx/fbx_parser/FBXUtil.cpp
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-/*************************************************************************/
-/* FBXUtil.cpp */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* https://godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
-/* */
-/* Permission is hereby granted, free of charge, to any person obtaining */
-/* a copy of this software and associated documentation files (the */
-/* "Software"), to deal in the Software without restriction, including */
-/* without limitation the rights to use, copy, modify, merge, publish, */
-/* distribute, sublicense, and/or sell copies of the Software, and to */
-/* permit persons to whom the Software is furnished to do so, subject to */
-/* the following conditions: */
-/* */
-/* The above copyright notice and this permission notice shall be */
-/* included in all copies or substantial portions of the Software. */
-/* */
-/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
-/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
-/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
-/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
-/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
-/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
-/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
-/*************************************************************************/
-
-/*
-Open Asset Import Library (assimp)
-----------------------------------------------------------------------
-
-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
-following conditions are met:
-
-* Redistributions of source code must retain the above
- copyright notice, this list of conditions and the
- following disclaimer.
-
-* Redistributions in binary form must reproduce the above
- copyright notice, this list of conditions and the
- following disclaimer in the documentation and/or other
- materials provided with the distribution.
-
-* Neither the name of the assimp team, nor the names of its
- contributors may be used to endorse or promote products
- derived from this software without specific prior
- written permission of the assimp team.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-----------------------------------------------------------------------
-*/
-
-/** @file FBXUtil.cpp
- * @brief Implementation of internal FBX utility functions
- */
-
-#include "FBXUtil.h"
-#include "FBXTokenizer.h"
-#include <cstring>
-#include <string>
-
-namespace FBXDocParser {
-namespace Util {
-
-// ------------------------------------------------------------------------------------------------
-const char *TokenTypeString(TokenType t) {
- switch (t) {
- case TokenType_OPEN_BRACKET:
- return "TOK_OPEN_BRACKET";
-
- case TokenType_CLOSE_BRACKET:
- return "TOK_CLOSE_BRACKET";
-
- case TokenType_DATA:
- return "TOK_DATA";
-
- case TokenType_COMMA:
- return "TOK_COMMA";
-
- case TokenType_KEY:
- return "TOK_KEY";
-
- case TokenType_BINARY_DATA:
- return "TOK_BINARY_DATA";
- }
-
- //ai_assert(false);
- return "";
-}
-
-// Generated by this formula: T["ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[i]] = i;
-static const uint8_t base64DecodeTable[128] = {
- 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
- 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
- 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 62, 255, 255, 255, 63,
- 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 255, 255, 255, 255, 255, 255,
- 255, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
- 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 255, 255, 255, 255, 255,
- 255, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
- 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 255, 255, 255, 255, 255
-};
-
-uint8_t DecodeBase64(char ch) {
- const uint8_t idx = static_cast<uint8_t>(ch);
- if (idx > 127) {
- return 255;
- }
- return base64DecodeTable[idx];
-}
-
-size_t ComputeDecodedSizeBase64(const char *in, size_t inLength) {
- if (inLength < 2) {
- return 0;
- }
- const size_t equals = size_t(in[inLength - 1] == '=') + size_t(in[inLength - 2] == '=');
- const size_t full_length = (inLength * 3) >> 2; // div by 4
- if (full_length < equals) {
- return 0;
- }
- return full_length - equals;
-}
-
-size_t DecodeBase64(const char *in, size_t inLength, uint8_t *out, size_t maxOutLength) {
- if (maxOutLength == 0 || inLength < 2) {
- return 0;
- }
- const size_t realLength = inLength - size_t(in[inLength - 1] == '=') - size_t(in[inLength - 2] == '=');
- size_t dst_offset = 0;
- int val = 0, valb = -8;
- for (size_t src_offset = 0; src_offset < realLength; ++src_offset) {
- const uint8_t table_value = Util::DecodeBase64(in[src_offset]);
- if (table_value == 255) {
- return 0;
- }
- val = (val << 6) + table_value;
- valb += 6;
- if (valb >= 0) {
- out[dst_offset++] = static_cast<uint8_t>((val >> valb) & 0xFF);
- valb -= 8;
- val &= 0xFFF;
- }
- }
- return dst_offset;
-}
-
-static const char to_base64_string[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-char EncodeBase64(char byte) {
- return to_base64_string[(size_t)byte];
-}
-
-/** Encodes a block of 4 bytes to base64 encoding
- * @param bytes Bytes to encode.
- * @param out_string String to write encoded values to.
- * @param string_pos Position in out_string.
- */
-void EncodeByteBlock(const char *bytes, std::string &out_string, size_t string_pos) {
- char b0 = (bytes[0] & 0xFC) >> 2;
- char b1 = (bytes[0] & 0x03) << 4 | ((bytes[1] & 0xF0) >> 4);
- char b2 = (bytes[1] & 0x0F) << 2 | ((bytes[2] & 0xC0) >> 6);
- char b3 = (bytes[2] & 0x3F);
-
- out_string[string_pos + 0] = EncodeBase64(b0);
- out_string[string_pos + 1] = EncodeBase64(b1);
- out_string[string_pos + 2] = EncodeBase64(b2);
- out_string[string_pos + 3] = EncodeBase64(b3);
-}
-
-std::string EncodeBase64(const char *data, size_t length) {
- // calculate extra bytes needed to get a multiple of 3
- size_t extraBytes = 3 - length % 3;
-
- // number of base64 bytes
- size_t encodedBytes = 4 * (length + extraBytes) / 3;
-
- std::string encoded_string(encodedBytes, '=');
-
- // read blocks of 3 bytes
- for (size_t ib3 = 0; ib3 < length / 3; ib3++) {
- const size_t iByte = ib3 * 3;
- const size_t iEncodedByte = ib3 * 4;
- const char *currData = &data[iByte];
-
- EncodeByteBlock(currData, encoded_string, iEncodedByte);
- }
-
- // if size of data is not a multiple of 3, also encode the final bytes (and add zeros where needed)
- if (extraBytes > 0) {
- char finalBytes[4] = { 0, 0, 0, 0 };
- memcpy(&finalBytes[0], &data[length - length % 3], length % 3);
-
- const size_t iEncodedByte = encodedBytes - 4;
- EncodeByteBlock(&finalBytes[0], encoded_string, iEncodedByte);
-
- // add '=' at the end
- for (size_t i = 0; i < 4 * extraBytes / 3; i++) {
- encoded_string[encodedBytes - i - 1] = '=';
- }
- }
- return encoded_string;
-}
-} // namespace Util
-} // namespace FBXDocParser
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