assimp.assimp/code/DXFLoader.cpp

/*
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Open Asset Import Library (ASSIMP)
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Copyright (c) 2006-2008, ASSIMP Development Team

All rights reserved.

Redistribution and use of this software in source and binary forms, 
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  written permission of the ASSIMP Development Team.

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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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*/

/** @file Implementation of the DXF importer class */
#include "DXFLoader.h"

// public ASSIMP headers
#include "../include/aiScene.h"
#include "../include/aiAssert.h"
#include "../include/IOStream.h"
#include "../include/IOSystem.h"

#include "../include/DefaultLogger.h"

// boost headers
#include <boost/scoped_ptr.hpp>

using namespace Assimp;

// ------------------------------------------------------------------------------------------------
// Constructor to be privately used by Importer
DXFImporter::DXFImporter()
{
		// nothing to do here
}

// ------------------------------------------------------------------------------------------------
// Destructor, private as well 
DXFImporter::~DXFImporter()
{
	// nothing to do here
}

// ------------------------------------------------------------------------------------------------
// Returns whether the class can handle the format of the given file. 
bool DXFImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler) const
{
	// simple check of file extension is enough for the moment
	std::string::size_type pos = pFile.find_last_of('.');
	// no file extension - can't read
	if( pos == std::string::npos)
		return false;
	std::string extension = pFile.substr( pos);

	return !(extension.length() != 4 || extension[0] != '.' ||
			 extension[1] != 'd' && extension[1] != 'D' ||
			 extension[2] != 'x' && extension[2] != 'X' ||
			 extension[3] != 'f' && extension[3] != 'F');
}
// ------------------------------------------------------------------------------------------------
// Imports the given file into the given scene structure. 
void DXFImporter::InternReadFile( const std::string& pFile, 
	aiScene* pScene, IOSystem* pIOHandler)
{
	boost::scoped_ptr<IOStream> file( pIOHandler->Open( pFile));

	// Check whether we can read from the file
	if( file.get() == NULL)
		throw new ImportErrorException( "Failed to open DXF file " + pFile + "");

	throw new ImportErrorException("DXF: not yet implemented");
}