vrshoot

diff libs/assimp/irrXMLWrapper.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/irrXMLWrapper.h	Sat Feb 01 19:58:19 2014 +0200
     1.3 @@ -0,0 +1,131 @@
     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 +#ifndef INCLUDED_AI_IRRXML_WRAPPER
    1.45 +#define INCLUDED_AI_IRRXML_WRAPPER
    1.46 +
    1.47 +// some long includes ....
    1.48 +#include "irrXML/irrXML.h"
    1.49 +#include "assimp/IOStream.hpp"
    1.50 +namespace Assimp	{
    1.51 +
    1.52 +// ---------------------------------------------------------------------------------
    1.53 +/** @brief Utility class to make IrrXML work together with our custom IO system
    1.54 + *  See the IrrXML docs for more details.
    1.55 + *
    1.56 + *  Construct IrrXML-Reader in BaseImporter::InternReadFile():
    1.57 + *  @code
    1.58 + * // open the file
    1.59 + * boost::scoped_ptr<IOStream> file( pIOHandler->Open( pFile));
    1.60 + * if( file.get() == NULL) {
    1.61 + *	  throw DeadlyImportError( "Failed to open file " + pFile + ".");
    1.62 + * }
    1.63 + *
    1.64 + * // generate a XML reader for it
    1.65 + * boost::scoped_ptr<CIrrXML_IOStreamReader> mIOWrapper( new CIrrXML_IOStreamReader( file.get()));
    1.66 + * mReader = irr::io::createIrrXMLReader( mIOWrapper.get());
    1.67 + * if( !mReader) {
    1.68 + *    ThrowException( "xxxx: Unable to open file.");
    1.69 + * }
    1.70 + * @endcode
    1.71 + **/
    1.72 +class CIrrXML_IOStreamReader 
    1.73 +	: public irr::io::IFileReadCallBack
    1.74 +{
    1.75 +public:
    1.76 +
    1.77 +	// ----------------------------------------------------------------------------------
    1.78 +	//! Construction from an existing IOStream
    1.79 +	CIrrXML_IOStreamReader(IOStream* _stream)
    1.80 +		: stream (_stream)
    1.81 +		, t (0)
    1.82 +	{
    1.83 +
    1.84 +		// Map the buffer into memory and convert it to UTF8. IrrXML provides its
    1.85 +		// own conversion, which is merely a cast from uintNN_t to uint8_t. Thus,
    1.86 +		// it is not suitable for our purposes and we have to do it BEFORE IrrXML
    1.87 +		// gets the buffer. Sadly, this forces as to map the whole file into
    1.88 +		// memory.
    1.89 +
    1.90 +		data.resize(stream->FileSize());
    1.91 +		stream->Read(&data[0],data.size(),1);
    1.92 +
    1.93 +		BaseImporter::ConvertToUTF8(data);
    1.94 +	}
    1.95 +
    1.96 +	// ----------------------------------------------------------------------------------
    1.97 +	//! Virtual destructor
    1.98 +	virtual ~CIrrXML_IOStreamReader() {};
    1.99 +
   1.100 +	// ----------------------------------------------------------------------------------
   1.101 +	//!   Reads an amount of bytes from the file.
   1.102 +	/**  @param buffer:       Pointer to output buffer.
   1.103 +	 *   @param sizeToRead:   Amount of bytes to read 
   1.104 +	 *   @return              Returns how much bytes were read.  */
   1.105 +	virtual int read(void* buffer, int sizeToRead)	{
   1.106 +		if(sizeToRead<0) {
   1.107 +			return 0;
   1.108 +		}
   1.109 +		if(t+sizeToRead>data.size()) {
   1.110 +			sizeToRead = data.size()-t;
   1.111 +		}
   1.112 +
   1.113 +		memcpy(buffer,&data.front()+t,sizeToRead);
   1.114 +
   1.115 +		t += sizeToRead;
   1.116 +		return sizeToRead;
   1.117 +	}
   1.118 +
   1.119 +	// ----------------------------------------------------------------------------------
   1.120 +	//! Returns size of file in bytes
   1.121 +	virtual int getSize()	{
   1.122 +		return (int)data.size();
   1.123 +	}
   1.124 +
   1.125 +private:
   1.126 +	IOStream* stream;
   1.127 +	std::vector<char> data;
   1.128 +	size_t t;
   1.129 +
   1.130 +}; // ! class CIrrXML_IOStreamReader
   1.131 +
   1.132 +} // ! Assimp
   1.133 +
   1.134 +#endif // !! INCLUDED_AI_IRRXML_WRAPPER