/usr/include/pdal/PointViewIter.hpp is in libpdal-dev 1.4.0-1+b1.
This file is owned by root:root, with mode 0o644.
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* Copyright (c) 2014, Hobu Inc.
*
* 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 Geo Consulting 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,
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
****************************************************************************/
#pragma once
#include <iterator>
#include <pdal/PointView.hpp>
namespace pdal
{
class PointIdxRef
{
private:
PointView *m_buf;
PointId m_id;
bool m_tmp;
public:
PointIdxRef() : m_buf(NULL), m_id(0), m_tmp(false)
{}
PointIdxRef(const PointIdxRef& r) : m_buf(r.m_buf)
{
m_id = m_buf->getTemp(r.m_id);
m_tmp = true;
}
// This is the ctor used to make a PointIdxRef from an iterator.
PointIdxRef(PointView *buf, PointId id) : m_buf(buf), m_id(id), m_tmp(false)
{}
~PointIdxRef()
{
if (m_tmp)
m_buf->freeTemp(m_id);
}
PointIdxRef& operator=(const PointIdxRef& r)
{
assert(m_buf == NULL || r.m_buf == m_buf);
if (!m_buf)
{
m_buf = r.m_buf;
m_id = m_buf->getTemp(r.m_id);
m_tmp = true;
}
else
m_buf->m_index[m_id] = r.m_buf->m_index[r.m_id];
return *this;
}
bool compare(Dimension::Id dim, const PointIdxRef& p) const
{ return m_buf->compare(dim, m_id, p.m_id); }
void swap(PointIdxRef& p)
{
PointId id = m_buf->m_index[m_id];
m_buf->m_index[m_id] = p.m_buf->m_index[p.m_id];
p.m_buf->m_index[p.m_id] = id;
}
};
inline void swap(PointIdxRef && p1, PointIdxRef && p2)
{
p1.swap(p2);
}
class PointViewIter :
public std::iterator<std::random_access_iterator_tag, PointIdxRef,
point_count_t>
{
protected:
PointView *m_buf;
PointId m_id;
public:
typedef std::random_access_iterator_tag iterator_category;
typedef std::iterator<iterator_category, PointIdxRef>::value_type
value_type;
typedef std::iterator<iterator_category, PointIdxRef>::difference_type
difference_type;
typedef PointIdxRef reference;
typedef void * pointer;
PointViewIter(PointView *buf, PointId id) : m_buf(buf), m_id(id)
{}
PointViewIter& operator++()
{ ++m_id; return *this; }
PointViewIter operator++(int)
{ return PointViewIter(m_buf, m_id++); }
PointViewIter& operator--()
{ --m_id; return *this; }
PointViewIter operator--(int)
{ return PointViewIter(m_buf, m_id--); }
PointViewIter operator+(const difference_type& n) const
{ return PointViewIter(m_buf, m_id + n); }
PointViewIter operator+=(const difference_type& n)
{ m_id += n; return *this; }
PointViewIter operator-(const difference_type& n) const
{ return PointViewIter(m_buf, m_id - n); }
PointViewIter operator-=(const difference_type& n)
{ m_id -= n; return *this; }
difference_type operator-(const PointViewIter& i)
{ return m_id - i.m_id; }
bool operator==(const PointViewIter& i)
{ return m_id == i.m_id; }
bool operator!=(const PointViewIter& i)
{ return m_id != i.m_id; }
bool operator<=(const PointViewIter& i)
{ return m_id <= i.m_id; }
bool operator>=(const PointViewIter& i)
{ return m_id >= i.m_id; }
bool operator<(const PointViewIter& i)
{ return m_id < i.m_id; }
bool operator>(const PointViewIter& i)
{ return m_id > i.m_id; }
PointIdxRef operator*() const
{ return PointIdxRef(m_buf, m_id); }
pointer operator->() const
{ return NULL; }
PointIdxRef operator[](const difference_type& /*n*/) const
{ return PointIdxRef(m_buf, m_id); }
};
} // namespace pdal
/**
namespace std
{
template<>
inline void iter_swap(pdal::PointViewIter a, pdal::PointViewIter b)
{
swap(*a, *b);
}
}
**/
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