vrshoot

diff libs/assimp/FBXTokenizer.h @ 0:b2f14e535253

initial commit
author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 01 Feb 2014 19:58:19 +0200
parents
children
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     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/libs/assimp/FBXTokenizer.h	Sat Feb 01 19:58:19 2014 +0200
     1.3 @@ -0,0 +1,190 @@
     1.4 +/*
     1.5 +Open Asset Import Library (assimp)
     1.6 +----------------------------------------------------------------------
     1.7 +
     1.8 +Copyright (c) 2006-2012, assimp team
     1.9 +All rights reserved.
    1.10 +
    1.11 +Redistribution and use of this software in source and binary forms, 
    1.12 +with or without modification, are permitted provided that the 
    1.13 +following conditions are met:
    1.14 +
    1.15 +* Redistributions of source code must retain the above
    1.16 +  copyright notice, this list of conditions and the
    1.17 +  following disclaimer.
    1.18 +
    1.19 +* Redistributions in binary form must reproduce the above
    1.20 +  copyright notice, this list of conditions and the
    1.21 +  following disclaimer in the documentation and/or other
    1.22 +  materials provided with the distribution.
    1.23 +
    1.24 +* Neither the name of the assimp team, nor the names of its
    1.25 +  contributors may be used to endorse or promote products
    1.26 +  derived from this software without specific prior
    1.27 +  written permission of the assimp team.
    1.28 +
    1.29 +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
    1.30 +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
    1.31 +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    1.32 +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
    1.33 +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    1.34 +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
    1.35 +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    1.36 +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
    1.37 +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
    1.38 +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
    1.39 +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    1.40 +
    1.41 +----------------------------------------------------------------------
    1.42 +*/
    1.43 +
    1.44 +/** @file  FBXTokenizer.h
    1.45 + *  @brief FBX lexer
    1.46 + */
    1.47 +#ifndef INCLUDED_AI_FBX_TOKENIZER_H
    1.48 +#define INCLUDED_AI_FBX_TOKENIZER_H
    1.49 +
    1.50 +#include <boost/shared_ptr.hpp>
    1.51 +
    1.52 +#include "FBXCompileConfig.h"
    1.53 +
    1.54 +namespace Assimp {
    1.55 +namespace FBX {
    1.56 +
    1.57 +/** Rough classification for text FBX tokens used for constructing the
    1.58 + *  basic scope hierarchy. */
    1.59 +enum TokenType
    1.60 +{
    1.61 +	// {
    1.62 +	TokenType_OPEN_BRACKET = 0,
    1.63 +	
    1.64 +	// }
    1.65 +	TokenType_CLOSE_BRACKET,
    1.66 +
    1.67 +	// '"blablubb"', '2', '*14' - very general token class,
    1.68 +	// further processing happens at a later stage.
    1.69 +	TokenType_DATA,
    1.70 +
    1.71 +	//
    1.72 +	TokenType_BINARY_DATA,
    1.73 +
    1.74 +	// ,
    1.75 +	TokenType_COMMA,
    1.76 +
    1.77 +	// blubb:
    1.78 +	TokenType_KEY
    1.79 +};
    1.80 +
    1.81 +
    1.82 +/** Represents a single token in a FBX file. Tokens are
    1.83 + *  classified by the #TokenType enumerated types.
    1.84 + *
    1.85 + *  Offers iterator protocol. Tokens are immutable. */
    1.86 +class Token 
    1.87 +{
    1.88 +
    1.89 +private:
    1.90 +
    1.91 +	static const unsigned int BINARY_MARKER = static_cast<unsigned int>(-1);
    1.92 +
    1.93 +public:
    1.94 +
    1.95 +	/** construct a textual token */
    1.96 +	Token(const char* sbegin, const char* send, TokenType type, unsigned int line, unsigned int column);
    1.97 +
    1.98 +	/** construct a binary token */
    1.99 +	Token(const char* sbegin, const char* send, TokenType type, unsigned int offset);
   1.100 +
   1.101 +	~Token();
   1.102 +
   1.103 +public:
   1.104 +
   1.105 +	std::string StringContents() const {
   1.106 +		return std::string(begin(),end());
   1.107 +	}
   1.108 +
   1.109 +public:
   1.110 +
   1.111 +	bool IsBinary() const {
   1.112 +		return column == BINARY_MARKER;
   1.113 +	}
   1.114 +
   1.115 +	const char* begin() const {
   1.116 +		return sbegin;
   1.117 +	}
   1.118 +
   1.119 +	const char* end() const {
   1.120 +		return send;
   1.121 +	}
   1.122 +
   1.123 +	TokenType Type() const {
   1.124 +		return type;
   1.125 +	}
   1.126 +
   1.127 +	unsigned int Offset() const {
   1.128 +		ai_assert(IsBinary());
   1.129 +		return offset;
   1.130 +	}
   1.131 +
   1.132 +	unsigned int Line() const {
   1.133 +		ai_assert(!IsBinary());
   1.134 +		return line;
   1.135 +	}
   1.136 +
   1.137 +	unsigned int Column() const {
   1.138 +		ai_assert(!IsBinary());
   1.139 +		return column;
   1.140 +	}
   1.141 +
   1.142 +private:
   1.143 +
   1.144 +#ifdef DEBUG
   1.145 +	// full string copy for the sole purpose that it nicely appears
   1.146 +	// in msvc's debugger window.
   1.147 +	const std::string contents;
   1.148 +#endif
   1.149 +
   1.150 +
   1.151 +	const char* const sbegin;
   1.152 +	const char* const send;
   1.153 +	const TokenType type;
   1.154 +
   1.155 +	union {
   1.156 +		const unsigned int line;
   1.157 +		unsigned int offset;
   1.158 +	};
   1.159 +	const unsigned int column;
   1.160 +};
   1.161 +
   1.162 +// XXX should use C++11's unique_ptr - but assimp's need to keep working with 03
   1.163 +typedef const Token* TokenPtr;
   1.164 +typedef std::vector< TokenPtr > TokenList;
   1.165 +
   1.166 +#define new_Token new Token
   1.167 +
   1.168 +
   1.169 +/** Main FBX tokenizer function. Transform input buffer into a list of preprocessed tokens.
   1.170 + *
   1.171 + *  Skips over comments and generates line and column numbers.
   1.172 + *
   1.173 + * @param output_tokens Receives a list of all tokens in the input data.
   1.174 + * @param input_buffer Textual input buffer to be processed, 0-terminated.
   1.175 + * @throw DeadlyImportError if something goes wrong */
   1.176 +void Tokenize(TokenList& output_tokens, const char* input);
   1.177 +
   1.178 +
   1.179 +/** Tokenizer function for binary FBX files.
   1.180 + *
   1.181 + *  Emits a token list suitable for direct parsing.
   1.182 + *
   1.183 + * @param output_tokens Receives a list of all tokens in the input data.
   1.184 + * @param input_buffer Binary input buffer to be processed.
   1.185 + * @param length Length of input buffer, in bytes. There is no 0-terminal.
   1.186 + * @throw DeadlyImportError if something goes wrong */
   1.187 +void TokenizeBinary(TokenList& output_tokens, const char* input, unsigned int length);
   1.188 +
   1.189 +
   1.190 +} // ! FBX
   1.191 +} // ! Assimp
   1.192 +
   1.193 +#endif // ! INCLUDED_AI_FBX_PARSER_H