/usr/include/liblas/detail/reader/cachedreader.hpp is in liblas-dev 1.8.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* $Id$
*
* Project: libLAS - http://liblas.org - A BSD library for LAS format data.
* Purpose: LAS 1.0 reader implementation for C++ libLAS
* Author: Mateusz Loskot, mateusz@loskot.net
*
******************************************************************************
* Copyright (c) 2008, Mateusz Loskot
*
* 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 the Martin Isenburg or Iowa Department
* of Natural Resources 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.
****************************************************************************/
#ifndef LIBLAS_DETAIL_CACHEDREADERIMPL_HPP_INCLUDED
#define LIBLAS_DETAIL_CACHEDREADERIMPL_HPP_INCLUDED
#include <liblas/detail/fwd.hpp>
#include <liblas/detail/reader/header.hpp>
#include <liblas/liblas.hpp>
// std
#include <iosfwd>
#include <boost/shared_ptr.hpp>
namespace liblas { namespace detail {
class CachedReaderImpl : public ReaderImpl
{
public:
CachedReaderImpl(std::istream& ifs, std::size_t cache_size);
void ReadHeader();
void ReadNextPoint();
liblas::Point const& ReadPointAt(std::size_t n);
void Seek(std::size_t n);
void Reset();
void SetFilters(std::vector<liblas::FilterPtr> const& filters);
std::vector<liblas::FilterPtr> GetFilters() const;
void SetTransforms(std::vector<liblas::TransformPtr> const& transforms);
std::vector<liblas::TransformPtr> GetTransforms() const;
protected:
private:
// Blocked copying operations, declared but not defined.
CachedReaderImpl(CachedReaderImpl const& other);
CachedReaderImpl& operator=(CachedReaderImpl const& rhs);
void ReadCachedPoint(uint32_t position);
void CacheData(uint32_t position);
void ReadNextUncachedPoint();
typedef std::vector<uint8_t> cache_mask_type;
cache_mask_type m_mask;
cache_mask_type::size_type m_cache_size;
cache_mask_type::size_type m_cache_start_position;
cache_mask_type::size_type m_cache_read_position;
typedef std::vector<liblas::Point*> cache_type;
cache_type m_cache;
bool m_cache_initialized;
};
}} // namespace liblas::detail
#endif // LIBLAS_DETAIL_CACHEDREADERIMPL_HPP_INCLUDED
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