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Diffstat (limited to 'thirdparty/assimp/code/FBX/FBXUtil.cpp')
| -rw-r--r-- | thirdparty/assimp/code/FBX/FBXUtil.cpp | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/thirdparty/assimp/code/FBX/FBXUtil.cpp b/thirdparty/assimp/code/FBX/FBXUtil.cpp deleted file mode 100644 index c10e057c8c..0000000000 --- a/thirdparty/assimp/code/FBX/FBXUtil.cpp +++ /dev/null @@ -1,243 +0,0 @@ -/* -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 <assimp/TinyFormatter.h> -#include <string> -#include <cstring> - -#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER - -namespace Assimp { -namespace FBX { -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 ""; -} - - -// ------------------------------------------------------------------------------------------------ -std::string AddOffset(const std::string& prefix, const std::string& text, size_t offset) -{ - return static_cast<std::string>( (Formatter::format() << prefix << " (offset 0x" << std::hex << offset << ") " << text) ); -} - -// ------------------------------------------------------------------------------------------------ -std::string AddLineAndColumn(const std::string& prefix, const std::string& text, unsigned int line, unsigned int column) -{ - return static_cast<std::string>( (Formatter::format() << prefix << " (line " << line << " << col " << column << ") " << text) ); -} - -// ------------------------------------------------------------------------------------------------ -std::string AddTokenText(const std::string& prefix, const std::string& text, const Token* tok) -{ - if(tok->IsBinary()) { - return static_cast<std::string>( (Formatter::format() << prefix << - " (" << TokenTypeString(tok->Type()) << - ", offset 0x" << std::hex << tok->Offset() << ") " << - text) ); - } - - return static_cast<std::string>( (Formatter::format() << prefix << - " (" << TokenTypeString(tok->Type()) << - ", line " << tok->Line() << - ", col " << tok->Column() << ") " << - text) ); -} - -// 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 auto 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; -} - -} // !Util -} // !FBX -} // !Assimp - -#endif |