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NitfReader.hpp
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NitfReader.hpp
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/******************************************************************************
* Copyright (c) 2011, Michael P. Gerlek (mpg@flaxen.com)
*
* All rights reserved.
*
* Redistribution and use 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 Hobu, Inc. or Flaxen Consulting LLC nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* 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.
****************************************************************************/
#pragma once
#include <boost/iostreams/stream.hpp>
#include <boost/iostreams/restrict.hpp>
#include <las/LasReader.hpp>
#include <pdal/StageFactory.hpp>
namespace pdal
{
class PDAL_DLL NitfReader : public LasReader
{
typedef boost::iostreams::restriction<std::istream> RDevice;
typedef boost::iostreams::stream<RDevice> RStream;
public:
NitfReader() : LasReader(), m_offset(0), m_length(0), m_istream(NULL)
{}
static void * create();
static int32_t destroy(void *);
std::string getName() const;
protected:
virtual std::istream *createStream()
{
m_istream = FileUtils::openFile(m_filename);
if (!m_istream)
return NULL;
m_rdevice.reset(new RDevice(*m_istream, m_offset, m_length));
m_rstream.reset(new RStream(*m_rdevice));
return m_rstream.get();
}
virtual void destroyStream()
{
m_rstream.reset();
m_rdevice.reset();
FileUtils::closeFile(m_istream);
}
private:
uint64_t m_offset;
uint64_t m_length;
std::istream *m_istream;
std::unique_ptr<RDevice> m_rdevice;
std::unique_ptr<RStream> m_rstream;
virtual void initialize();
virtual void ready(PointTableRef table);
NitfReader& operator=(const NitfReader&); // not implemented
NitfReader(const NitfReader&); // not implemented
};
} // namespace pdal